27
CL < " Zt:D o~ f".::i <"'--'-I (;) ;:: "-{"\)" :) fs DEPARTMENT OF PUIBLIC WORKS HOWARD COUNTY, MARYLAND LITTL.E PATUXENTWATER RECLAMATION PLANT· INFLUENT PUMPING STATION PUIVIP REPLACEMENT HOWARD·COUNTY MARYLAND . . ' VICINITY MAP DEPARTMENT OF PUBLlC WORKS CAPITAL PROJECT NO. S-6264 CONTRACT. f\JiO.. 20-4991 I 1/9/19 5/9/17 5/9/17 [1[l -;-i:- ,.,, ' < -.. LOCATION MAP AA fl,A~ AA B-Y SHEET NO. GENERAL 2 .l 4 5 DRAWNG NO. G1 G2 G3 G4 G5 INDEX OF DRAWINGS OESCRlP110N COVER ABBREVIATIONS LEGEND AND CODE DATA S!fE STAGING AREA SYSTEM SCHE,1fo.,1C PUM? CURVES & DES!GN CR!TERIA MECHANICAL 6 7 DETAILS 8 Ml M2 D1 BOTTOM PLAN AND SECT:or.s- DEMOUTIOel BOTTOM PLAi,/ ANO SECT!ONS MISCEcLAtlEOUS STANDARD Di:TMLS SJRVCTIJRAL 9 S1 S2 S3 S4 GENERAL STRU:TURAL NOTE SHEC 1 10 1 1 12 13 14 15 15 4'. H2 H3 rl4 GENERAL STRUCTURAL NOTE SHEET 2 DEMOLITION INTERMEDIATE PLAN AND DETAILS PROPOSED 1NTERMED'A TE PLAN, SECTIONS & DETAILS GENERAL NOTES, ABBR':VIATIONS, AND DETA,LS SCHEDULES AND DETAILS DEMOLITION P•_ANS PROPOSED PLANS flfCIBICAL 17 18 19 20 21 22 23 24 25 ':1 E8 LEGEND AND SYMBOLS CNE-L11'1E DIAGRAM MCC~02~1..tAIN Ol,E·-LiNE DIAGRAM MCC-02-01 PUMP MOTOR CONTRCl SCHEMA TIC RlSER DIAGRAMS AND SCHEDULES SCHEDlLES UPPER LEVEL ~LAN UPPER LEVtL SECTION LCWER LEVEL PLAN INSTRUMENTATION 26 LE.GENO AND SYMBOLS 27 PROCESS & INSTRUMENlAT!O~I Di.i'.GRAM RECORD DRAWING STATEMENT: THESE RECORD DRAWINGS REFLECT DEVIATIONS FROM THE ORIGINAL CONTRACT DRAWINGS BASED ON "AS-BUil T' RED-LINE MARK-UPS PROVIDED BY OTHERS, AND SUPPLEMENTED BY VISUAL OBSERVATIONS OF PROJECT FEATURES AT OR ABOVE GRADE AT COMPLETION OF THE PROJECT. SIGNATURE: DESIGN PROFESSIONAL SIGNATURE DATE:2/2.1/t'3MD P.E. LICENSE 'f2.S35 DATE: FIRM NAME: ADDRESS: ALPER AKSIT, P.E. HAZEN & SAWYER 1 SOUTH STREET, SUITE 1150 BALTIMORE, MD 21202 ! 1 ' l l [ ] j l 1 AS-BUILT REPLACEMEN.T SHEET 1/2019 OA'E JAN 2017 G1 er 27

SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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Page 1: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

CL <

" Zt:D o~ f".::i <"'--'-I (;) ;:: "-{"\)"

:) fs

DEPARTMENT OF PUIBLIC WORKS HOWARD COUNTY, MARYLAND

LITTL.E PATUXENTWATER RECLAMATION PLANT· INFLUENT PUMPING STATION PUIVIP REPLACEMENT

HOWARD·COUNTY MARYLAND . . ' ~

VICINITY MAP

DEPARTMENT OF PUBLlC WORKS CAPITAL PROJECT NO. S-6264

CONTRACT. f\JiO.. 20-4991

I

1/9/19 5/9/17 5/9/17

[1[l -;-i:-,.,, ' < -..

LOCATION MAP

AA

fl,A~ AA

B-Y

SHEET NO.

GENERAL

2 .l 4 5

DRAWNG NO.

G1 G2 G3 G4 G5

INDEX OF DRAWINGS

OESCRlP110N

COVER ABBREVIATIONS LEGEND AND CODE DATA S!fE STAGING AREA SYSTEM SCHE,1fo.,1C PUM? CURVES & DES!GN CR!TERIA

MECHANICAL

6 7

DETAILS

8

Ml M2

D1

BOTTOM PLAN AND SECT:or.s- DEMOUTIOel BOTTOM PLAi,/ ANO SECT!ONS

MISCEcLAtlEOUS STANDARD Di:TMLS

SJRVCTIJRAL

9 S1 S2 S3 S4

GENERAL STRU:TURAL NOTE SHEC 1 10 1 1

12

13 14 15 15

4'. H2 H3 rl4

GENERAL STRUCTURAL NOTE SHEET 2 DEMOLITION INTERMEDIATE PLAN AND DETAILS PROPOSED 1NTERMED'A TE PLAN, SECTIONS & DETAILS

GENERAL NOTES, ABBR':VIATIONS, AND DETA,LS SCHEDULES AND DETAILS DEMOLITION P•_ANS PROPOSED PLANS

flfCIBICAL

17 18 19 20 21 22 23 24 25

':1

E8

LEGEND AND SYMBOLS CNE-L11'1E DIAGRAM MCC~02~1..tAIN Ol,E·-LiNE DIAGRAM MCC-02-01 PUMP MOTOR CONTRCl SCHEMA TIC RlSER DIAGRAMS AND SCHEDULES SCHEDlLES UPPER LEVEL ~LAN UPPER LEVtL SECTION LCWER LEVEL PLAN

INSTRUMENTATION

26 LE.GENO AND SYMBOLS 27 PROCESS & INSTRUMENlAT!O~I Di.i'.GRAM

RECORD DRAWING STATEMENT: THESE RECORD DRAWINGS REFLECT DEVIATIONS FROM THE ORIGINAL CONTRACT DRAWINGS BASED ON "AS-BUil T' RED-LINE MARK-UPS PROVIDED BY OTHERS, AND SUPPLEMENTED BY VISUAL OBSERVATIONS OF PROJECT FEATURES AT OR ABOVE GRADE AT COMPLETION OF THE PROJECT.

SIGNATURE:

DESIGN PROFESSIONAL SIGNATURE

DATE:2/2.1/t'3MD P.E. LICENSE 'f2.S35

DATE: FIRM NAME: ADDRESS:

ALPER AKSIT, P.E. HAZEN & SAWYER 1 SOUTH STREET, SUITE 1150 BALTIMORE, MD 21202

! 1 ' l l [ ] j

l 1

AS-BUILT REPLACEMEN.T SHEET 1/2019 OA'E JAN 2017

G1

er 27

Page 2: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

ro e--

I N n N N n

~ II w~ 0~ <(W

"'0-_x

I

AB AC

ACT AD ADJ AFF AGGR AL ALLOW ALT APPROX ARCH ASB ASPH AT

B BD BFE BFV BITIJM ~ BL BLDG BLK BM BOC BOT BRG BRK BRZ BSMT BT BUR BV

C CAB CB C/C CE GEM GER CF CFM Cl GIP CL CL'....,,,.,2 CLG CLKG CLR CMP CMU co COL CONG CONST CONT CONTR CORP CORR CP CRS CT CTJ cu CV cw CY

DC DET OF DIA (?) DIAG DIM DIP DISCH DIST OJ DL DN DOZ DR DWG DWL

E E&SC EA ECG EF EFF EIP EL ELEC ELL ENGR ENT EOG EOP EQ EQPT EW EX EXC EXH EXP EXT

ABBREVIATIONS

ANCHOR BOLT ALTERNATING CURRENT/ ASBESTOS CEMENT ACOUSTIC TILE AREA DRAIN ADJUSTABLE ABOVE FINISHED FLOOR AGGREGATE ALUMINUM ALLOWANCE/ ALLOWABLE ALTERNATE APPROXIMATE ARCHITECTIJRAL ASBESTOS ASPHALT ASPHALT TILE

BORING BOARD BOTTOM OF FITTING ELEV BUTTERFLY VALVE BITIJMINOUS BASELINE BUllDING LINE BUILDING BLOCK BENCH MARK BACK OF CURB BOTTOM BEARING BRICK BRONZE BASEMENT BOLT BUil T-UP ROOFING BALL VALVE

CLOSET/CARPET/CHANNEL CABINET CATCH BASIN CENTER TO CENTER CONSTRUCTION EASEMENT CEMENT CERAMIC CUBIC FEET CUBIC FEET PER MINUTE CAST IRON/CUBIC INCHES CAST IRON PIPE CENTER LINE CHLORINE CEILING CAULKING CLEAR CORRUGATED MET AL PIPE CONCRETE MASONRY UNIT CLEANOUT COLUMN CONCRETE CONSTRUCTION CONTINUOUS CONTRACTOR CORPORATION CORRIDOR CONCRETE PLANK COURSE CERAMIC TILE CONTROL JOINT COPPER CHECK VALVE COLD WATER CUBIC YARD

DIRECT CURRENT DETAIL DRINKING FOUNTAIN DIAMETER DIAGONAL DIMENSION DUCTILE IRON PIPE DISCHARGE DISTRIBUTION DOUBLE JOIST DEAD LOAD DOWN DOZEN DOOR DRA~NG DOWEL

EAST/EASEMENT EROSION AND SEDIMENT CONTROL EACH ECCENTRIC EACH FACE EFFLUENT EXIST IRON PIPE ELEVATION ELECTRIC/ELECTRICAL ELBOW ENGINEER ENTRANCE EDGE OF GRAVEL EDGE OF PAVEMENT EQUAL EQUIPMENT EACH WAY EXISTING EXCAVATE EXHAUST EXPANSION EXTERIOR

FAB F&C F&G FC FD FDN FE FF FH FIN FIX FL FLEX FLG FLUOR FLXC FM FPRF FRP

FT FTG FURR

G GA GAL GALV GC GEN GI GL GPM GR GV GW GWB GWF GYP

H HDW HEX HFA HFC HM HORZ HP HPT HTR HVAC

HW HWL HWY HYD

I

ID IF IN INCL INF INS INT INV

J JB JCT JT

L LA LAB LAM LAT LAV LB LF LG LL LLH LLV LP LPT LT LTG LVR LWL

MAINT MATIL MAX MECH MEMB MET MFR MG MGD MH MIN MISC MJ MLDG MO MOD MON MOT MID MTG MULT

FABRICATE FRAME AND COVER FRAME AND GRATE FLUSHING CONNECTION FLOOR DRAIN FOUNDATION FIRE EXTINGUISHER FINISH FLOOR FIRE HYDRANT FINISH FIXTIJRE FLASHING/FLOOR FLEXIBLE FLANGE FLUORESCENT FLEXIBLE CONNECTION FORCE MAIN FIREPROOF FIBERGLASS REINFORCED POLYESTER LAMINA TE FEET FOOTING/FITTING FURRING/FURRED

GAS/GAS LINE GAUGE GALLON GALVANIZED GENERAL CONTRACTOR GENERATOR GALVANIZED IRON GLASS GALLONS PER MINUTE GRADE GATE VALVE GUY ~RE GYPSUM WALL BOARD GLAZED WALL FINISH GYPSUM

HEIGHT HARDWARE HEXAGONAL HARNESSED FLANGE ADAPTER HARNESSED FLEXIBLE COUPLING HOLLOW METAL HORIZONTAL HORSEPOWER HIGH POINT HEATER HEATING, VENTILATION AND AIR CONDITIONING HOT WATER HIGH WATER LEVEL HIGHWAY HYDRAULIC

IRON INSIDE DIAMETER INSIDE FACE INCH INCLUDED INFLUENT INSULATION INTERIOR INVERT

JOIST JUNCTION BOX JUNCTION JOINT

LENGTH/ANGLE LINE AHEAD LABORATORY LAMINATED LATERAL LAVATORY POUND /LINE BACK LINEAR FEET LONG LIVE LOAD LONG LEG HORIZONTAL LONG LEG VERTICAL LIGHT POLE LOW POINT LIGHT LIGHTING LOUVER LOW WATER LEVEL

MAINTENANCE MATERIAL MAXIMUM MECHANICAL MEMBRANE METAL MANUFACTURER MILLION GALLONS MILLION GALLONS PER DAY MANHOLE MINIMUM MISCELLANEOUS MECHANICAL JOINT MOLDING MASONRY OPENING MODIFY /MODIFIED MONUMENT MOTOR MOUNTED MOUNTING MULTIPLE

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

N NA NF NIC NO NOM NPW NTS

oc OD OF OFF OPER OPNG OPP ORIG OT OVHD

PAR PC PCC PCF PE LINING PERF PERP Pl It PNL pp PREFAB PRV PS PSF PSI PT PTN PV PVC PVMT PW

QTY

R RCP RD RECIR RECP RECT RED REF REG REINF REM REQD REST REV RF RFG RJ RM RND RO RPM RR RT RTIJ RVSS RW R/W

s SAN SBL SCH SD SECT SERV SEW SF SHT SI SIM SJ SPEC SQ ss SST ST STA STD STG STIR STL STR SUB SUP SUPT SUR SUSP SW SWBD SWD SYM

~ 4-~ -z,,/ :iln CH~Gx3t,£4- ~1:/;7

DATE

NORTH NOT APPLICABLE NEAR FACE NOT IN CONTRACT NUMBER NOMINAL NON POTABLE WATER NOT TO SCALE

ON CENTER OUTSIDE DIAMETER OUTSIDE FACE OFFICE OPERATOR OPENING OPPOSITE ORIGINAL OPEN TRUSS OVERHEAD

PARALLEL POINT OF CURVE/PIECE POINT OF COMPOUND CURVE POUNDS PER CUBIC FOOT POLYETHYLENE LINING PERFORATED PERPENDICULAR POINT OF INTERSECTION PROPERTY LINE/PLATE PANEL POWER POLE PREFABRICATED PRESSURE RELIEF VALVE PUMPING STATION POUNDS PER SQUARE FOOT POUNDS PER SQUARE INCH POINT OF TANGENT /POINT PARTITION PLUG VALVE POLYVINYL CHLORIDE PAVEMENT POTABLE WATER

QUANTITY

RADIUS/RISER REINFORCED CONCRETE PIPE ROAD /ROOF DRAIN RECIRCULATION RECEPTACLE RECTANGULAR REDUCER REFERENCE REGISTER REINFORCING REMOVE REQUIRED RESTRAINED REVISE ROOF ROOFING RESTRAINED JOINT ROOM ROUND ROUGH OPENING REVOLUTIONS PER MINUTE RAILROAD RIGHT REMOTE TERMINAL UNIT REDUCED VOLTAGE SOFT START RAW WATER RIGHT OF WAY

SOUTH /SLOPE SANITARY SURVEY BASELINE SCHEDULE STORM/SITE DRAIN SECTION SERVICE SEWER SQUARE FEET SHEET SQUARE INCH SIMILAR STEEL JOIST SPECIFICATION SQUARE SANITARY SEWER STAINLESS STEEL STREET STATION STANDARD STORAGE STIRRUP STEEL STRUCTIJRAL SUBSTITIJTE SUPPLY SUPERINTENDENT SURFACE SUSPENDED SWITCH SWITCHBOARD SIDE WATER DEPTH SYMMETRICAL

T T&B T&G TAN TBM TC TDH TECH TEL TEMP TER THERMO THK THRU TOD TOF TOM TOS TOW TOL TPS TRANS TYP

UG UH UNFIN UNO UR UTIL

VAC VAT VCP VEL VENT VERT VOL VP vwc

w W/ WC WF WH ~

WL W/L WO W/0 WP WPFG WPT WSE WSP WT WV WWF

YD YR

Hazen HAZEN AND SAWYER

TREAD TOP AND BOTTOM TONGUE AND GROOVE TANGENT TEMPORARY BENCH MARK TOP OF CURB TOTAL DYNAMIC HEAD TECHNICAL TELEPHONE TEMPERATURE TERRAZZO THERMOSTAT THICK THROUGH TOP OF DECK TOP OF FOOTING TOP OF MASONRY/MANHOLE TOP OF SLAB TOP OF WALL TOLERANCE TWISTED PAIR SHIELDED TRANSFORMER TYPICAL

UNDERGROUND UNIT HEATER UNFINISHED UNLESS NOTED OTHERWISE URINAL UTILITY

VACUUM VINYL ASBESTOS TILE VITRIFIED CLAY PIPE VELOCITY VENTILATING/VENTILATION VERTICAL VOLUME VENT PIPE VINYL WALL COVERING

WEST/~DTH ~TH WATER CLOSET WIDE FLANGE WALL HYDRANT WROUGHT IRON WATER LEVEL WATER LINE ~NDOW OPENING ~THOUT WATERPROOF WATER PROOFING WALL PENETRATING TYPE WATER SURFACE ELEVATION WEATHERSTRIP WEIGHT WATER VALVE WELDED ~RE FABRIC

YARD YEAR

,,,01111,,,,, ,,,,, of MARJ,;11,

......... ~~ ············ z ,, ...... ~~-•·1sR~~ .:-0 / ""i /.,..:•. C, ~ - . . -- . . -::, .,,: . =

=-o• ~ :Q::= %~\ ,p, 42535<'v~ ./tyi i CTOR OF pulll.Jc WORKS

C ll, U::: C ..,, &11,\1, S'Si~ z\lo\\1 1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 410-539-7681

~ ;Z\·./'c1srs~ .•" ,:if:.:-,.f'i•· ··~, ...... s&·········~ ...... ,,,,,,/ONAL \,,,,,' ''''"""''' 1/t,.-;,-./r:,,_ CHIEF BUREAU OF UTILITIES DATE CHIEF UTILITY DESIGN DIVISON DATE

20170126 1: OOP 0: \32232-BAL \32232-005\Drowings \Generol\G-2.dwg LastSaveBy: EPROSSER

PIPE DESIGNATIONS

A AIR ATO AERATION TANK OVERFLOW BW FILTER BACKWASH WATER BWD BACKWASH DRAIN C CENTRATE CG CHLORINE GAS CLS CHLORINE SOLUTION D DRAIN OS DIGESTED SLUDGE FBP FILTER BYPASS FD FLOOR DRAIN FE FILTER EFFLUENT GR GRIT HOCL HYPOCHLORITE HS HEAVY SLUDGE LD LAND DISPOSAL ME METHANOL ML MIXED LIQUOR NPW NON-POTABLE WATER NRCY NITRIFIED RECYCLE P POLYMER PE PRIMARY EFFLUENT PS PRIMARY SLUDGE PW POTABLE WATER RAS RETURN ACTIVATED SLUDGE RBR RECLAIM BASIN RETURN RD ROOF DRAIN RS RAW SEWAGE S SAMPLE SA SERVICE AIR SBS SODIUM BISULFA TE SOLUTION SC SCUM SD STORM DRAIN SDO SLUDGE DRAWOFF SE SECONDARY EFFLUENT SL SLUDGE SLF SLUDGE FEED SPD SUMP PUMP DISCHARGE SR SCRUBBER RECIRCULATION SU SUPERNATANT TDS THICKENED DIGESTED SLUDGE TE TERTIARY EFFLUENT TS THICKENED SLUDGE TWAS THICKENED WASTE ACTIVATED SLUDGE V VENT WAS WASTE ACTIVATED SLUDGE

EQUIPMENT / RATINGS

A AMP AR AIR RELEASE A TS AUTOMATIC TRANSFER S~TCH AUTO AUTOMATIC BFP BACK FLOW PREVENTER BP BOOSTER PUMP BV BUTTERFLY VALVE C CONTROLLER CB CIRCUIT BREAKER CCU CENTRAL CONTROL UNIT CT CURRENT TRANSFORMER DPDT DOUBLE POLE-DOUBLE THROW OS DISCONNECT S~TCH DTS DIGITAL TRANSMISSION SYSTEM ECD ELECTRICAL CONTROL DIAGRAM ES EYEWASH/SHOWER ETM ELAPSED TIME METER EUH ELECTRIC UNIT HEATER EWH ELECTRIC WATER HEATER F AK FIRST AID KIT FOT FLAT ON TOP (ECG. REDUCER) GND GROUND HOA HAND-OFF-AUTOMATIC 1/0 INPUT /OUTPUT M METER MB MAIN BREAKER NFHB NON FREEZING HOSE BIB PCP PUMP CONTROL PANEL PDP POWER DISTRIBUTION PANEL PH PHASE PM PHASE MONITOR POT POTENTIOMETER PP POWER PANEL (480V) PRP POWER RECEPTACLE PANEL, 1 AND 3 PHASE RP RECEPTACLE PANEL (120V) SF SUPPLY FAN SSRV SOLID STATE REDUCED VOLTAGE TEMP TEMPURA TIJRE TPS TWISTED PAIR SHIELDED TVSS TRANSIENT VOLTAGE SURGE SUPPRESSION TX TRANSFORMER UE UNDERGROUND ELECTRIC UPS UN INTERRUPTIBLE POWER SUPPLY /BATTERY V VOLT VAC VOLTS/ALTERNATING CURRENT VFD VARIABLE FREQUENCY DRIVE

PROFESSIONAL CERTIFICATION. DESIGNED AA

I HEREBY CERTIFY THAT THESE DRAWN BRC

MATERIALS

~%~ GRADE OR EARTH Im ROCK

~

c:=J ~

[ZJ

c=J [[ill[ill

~

ASPHALT PAVING STEEL

SAND INSULATION

GRAVEL WATER SURFACE

CONCRETE GRATING

CONG. FILL OR GROUT CHECKERED PLATE

CONC. MASONRY UNIT GLASS

BRICK WOOD BLOCKING

LINETYPES

/////////// 777//1'///)/

------- - - 27() - - -

--270--

--w--

--ss--

--SD--

--OHE--

--UGE--

--UGC--

--GAS--

--x-­.rYYY'"'\.

PROPOSED ITEMS

EXISTING ITEMS

HIDDEN ITEMS

DEMOLITION ITEMS

CENTER LINE

MATCH LINE

EXISTING TOPO

PROPOSED TOPO

PROPERTY LINE

WATER MAIN

SEWER

STORM DRAIN

OVERHEAD ELECTRIC

UNDERGROUND ELECTRIC

UNDERGROUND COMMUNICATIONS

GAS LINE

FENCE

TREE LINE

DOCUMENTS WERE PREPARED OR APPROVED BY ME, AND THAT I AM

JCS A DULY LICENSED PROFESSIONAL CHECKED l----+---------f----+------1 ABBREVIATIONS LEGEND

ENGINEER UNDER THE LAWS OF THE STA TE OF MARYLAND, PROJ. ENGR. AA LICENSE NO. 42535, EXPIRATION DATE 07/25/2018

CODE DATA

SIGNED: APPROVED NO. ISSUED FOR DATE BY I

LEGEND

SYMBOLS

GATE VALVE

BUTTERFLY VALVE

PLUG VALVE

S~NG CHECK VALVE

GLOBE VALVE

PINCH VALVE

DIAPHRAGM VALVE

BALL VALVE

BALL CHECK VALVE

NEEDLE VALVE

PRESSURE RELIEF OR SAFETY VALVE

l><'.I

[:--:]

® @

@

SLUICE GATE

SLIDE/STOP GA TE

HOSE BIBB

FIRE HYDRANT

SOIL BORING

TEST HOLE

CLEAN OUT

SEWER MANHOLE

STORM DRAIN MANHOLE

WATER MAIN

SIGN

MAILBOX

). I l I X HARNESSED FLANGED ADAPTER

HARNESSED SLEEVE TYPE COUPLING

~• -~□~-~I SLEEVE TYPE COUPLING

HARNESSED

'

MECHANICAL COUPLING

I 1 WELDED JOINT

MECHANICAL, PUSH ON OR RESTRAINED JOINT

I l FLANGED JOINT

m.:. lli WALL PENETRATION

0 CENTRIFUGAL PUMP

SECTION AND DETAIL KEYING

DRAWINGS ARE CROSS REFERENCED IN THE FOLLOWING METHOD:

(A) A SECTION CUT ON DRAWING A3 IS IDENTIFIED AS FOLLOWS:

A " SECTION LETTER

A6---i~- DRA~NG WHERE SECTION IS SHOWN

(B) 11-lE SECTION SHOWN ON DRAWING A6 IS IDENTIFIED AS FOLLOWS:

A '\ SECTION LETTER

A3--,~- DRAWING FROM WHERE SECTION CUT IS SHOWN

DETAILS ARE CROSS REFERENCED IN A SIMILAR MANNER, EXCEPT DETAILS ARE IDENTIFIED BY A SQUARE WITH A NUMBER IN THE UPPER HALF.

CB---- DETAIL NUMBER

~ DRAWING FROM WHERE DETAIL IS SHOWN

AS-BUILT INFLUENT PUMPING STATION

PUMP REPLACEMENT CONTRACT DA TE JAN 2017

DRAWING NUMBER

AND LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND

G2

SCALE AS SHOWN

SHEET 2 OF 27

Page 3: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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i ..... -~C,fl0V" ~--· "'4> --·..-·------~-~-- ..... -- -~-.:

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DEPARTMENT OF pu,stlC WORKS HOWARDCOUI\ITY, MARYLAND

rJc-Jt ~-----~ :;h/4 DATE

CHIEF UTILITY DESIGN OIVISON

tos!&weByfPRDSSfR

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SEPTBOE · EBClL iJY --r-----H-tr1t!+tt<lll-'lr --~, JUNCTION STRUCTURE --'-----tt-t!TN·

DATE

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HAZE!it AND SAWYER 1 SOUTH STREET, SUITE 1150; BAL T!MORE, MD 21202

410"539-7681

.! 0

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PROF£SS!ONAl crRTIFICA TION.

I HEREBY Cffil1FY THAT ll-!ESE DOCUMENTS WERE PREPARED OR APPR0\11':0 ~y ME; ANO TllAT I AM A DULY LJCENStti PROFESSIONAL ENG!NO:R UNDER THE 1.AWS OF THE STATE Of MAR'!lANO,

· UCENSI". NO,~, EXPIRATION DATE 07 /25{2l)18

SIGNED:

. DES!GNED_~_AA~.·-~-."l--+-----------+---1---1 ORMIN ___ B~RC~· ~,

-Cf-!f:CK.fD--'-_,=:JC-=,S"1... -1'--"-t-----------1---+----J

Pf-i:)0 _ ENGR· AA 3 · AS-BUILT -~~li'--''--4---- .... -----·· ·.·::: ·. _-_- - ----+--'-~---I--'--'-'--__, 2 ADDENDUM

1/9/19 AA 5/9/17 AA

1 . ADDENDUM 5/9/17 AA APPROVED NO. iSSUEG: ro;- DATE 8.Y

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SITE STAGING AREA

AS-BUILT REPLACEMENT SHEET 1/2019 .tNFLUENTPUM'PING STAT10N

PUMP REPLACEMENT CONTRACT LITTLE PATUXENT WATER RECLAMATION PLANT

CAPITAL PROJECT NUMBER S"'-'6264 CONTRACT· NUMBER 20--4991

. . ' .

· 6TH ELECTIONDJSTRfCT HOWARD <D9UNTY, MARYLAND

• DATE JAN 2017 DRAWl!lG NUMBER

G3

SCALE :P..S SHOWN

SHEET 3 OF 27

Page 4: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

SLIOEGATE

. g· ' E g·

,:'£

!, FLOW METER ·~ ' . . . ·-!

' ·' ,,.

16" PLUG VALVE

16" CHECK VALVE -\

16"x14" INCREASER

PUMPNO. 1

20"x14" Ri;t:>UCi;R ~~UMP NO. 1, 2, 4, & S)

1'¼,,,<,,,.

FROM INFLUENT 5C~EEN Nb. :3

\.

PUMP NO. 2

DEPARTMENT OF PUBLIC WORKS .. HOWARD•·COONTY,·MARYLAND

3(105

24"0 CIP

'" L;=lo·

;;; 1-±==::-=:.iil!t.-::-;;:;::;;;:--:----~D;;;:A:;:;:TE--·"' " ~r:

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r SURGE / RELIEF

VALVE

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PUMP NO.S.

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24"0 CIP L=16'

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<:..._... ¢ .'vd' V ,""£l:"'· -. . . . . . .

. /h ' ACTUATED 16" f>LUGVALVE PUMP ·,. NO. 6crC~f FORCH!:CK SERVICE(TYPOF PUMP 3 AND 6)

~,I'

i ·· 16"x12" INCREASER

36"0 CIP Lz18'

PROPOSED INA.UENT ANO AUXILIARY PUMP STATION SYSTEt,J lSOMtlRIC DIAGRAM

NTS

LEGEND

O" PUMP f><l GATE VALVE

N CHECK VALVE

= !'fl

1,r

SLIDE GATE PWG VALVE

MOTOR OPERATED PLUG VALVE NOTE: THIS SCHEMA TIC IS FOR INFORMATION PURPOSES ONLY;

N BUTfERf LY Vi!ILVE KNIFE GATE VALVE

AS-BUILT REPLACEMENT SHEET 1/2019

H. ·.a··.··· ... · .. ··••·ze.··.·.··.·.· ..... · .. ·· ....... ····.n•· .. •.·.· .. . .· · .. · .•.•..... • .) •······. •· .·• .

HAZEN AND SAWYER . . 1 SQIJTH STREET,SU!TE 1150: !>ALTIMORE, MD 21202 .

41.0'539-7681 SlGNElr.

. DR!\WN __ _,;c:BR~_t-.-...+---------~-+-~· -•- .. -•-••-,·-·.~-~,am•~+-----+----1

PUMP.REPLACEMENT. CONTRACT LITTLE PATUXENT WATER RECLAMATION PLANT

CHECKED __ d)JC,,;;$1-;.· .f--+-----~ .. - .. ~·-· .. -+----+------1

AA 3 AS-BUILT 2 ADDENDUM 1 ADDENDUM

NO. tSSUED FOR

CAPITAL PROJECT NUMBER S-6264 ~- _ !;:;~~ :: CONTRACT NUMBER 20'"4991

.--!-~S/Cj9/1_,!lw7 ~M~-'--"---------------,,.,,,,-....-........ __....-'-"----'----16TH ELECTION DIST. RICT. H.· .. o ..... '.w.· .. ··.A.·. RDOO.···· UNTY, MARYLAND DATE BY

SYSTEM s:cHEMATIC

APPROVED

· DATE JAN 2017 DRAWING N\JMBER

G4

:S:C,A.LE. AS -SHOWN

SKEET 4 Of 27

Page 5: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

90

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Flow (gpm)

HEAD CAPACITY SYSlEM CURVE FOR FOUR REPLACEMENT PUMP OPERATION

DESIGN CRITERIA NUMBER OF PUMPS 4

PUMP ID NO. 1, 2, 4, 5

DUTY POINT 1 4,788 GPM AT 47.2 FTTDH

DUTY POINT 2 5,597 GPM AT 41. 7 FT TDH

DUTY POINT 3 6,200 GPM AT 37.0 FTTDH

MINIMUM SHUT OFF HEAD 77 FT

MINIMUM EFFICIENCY AT PRIMARY DESIGN POINT 82%

MAXIMUM PUMP SPEED 1160 RPM

MAXIMUM MOTOR HP

MAXIMUM NET POSITIVE SUCTION HEAD REQUIRED (NPSHR) AT DUTY POINT 2

MAXIMUM NPSHR AT DUTY POINT 3

MAXIMUM NET POSITIVE SUCTION HEAVE AVAILABLE (NPSHA) AT DUTY POINT 2

MAXIMUM NPSHA AT DUTY POINT 3

75 HP

21 FT

25 FT

32 FT

35 FT

Flow (gpm)

HEAD CAPACITY SYSlEM CURVE FOR ONE PUMP OPERATION

"? AS-BUILT -e-

f DEPARTMENT OF PUBLIC WORKS INFLUENT PUMPING STATION .Ji!. HOWARD COUNTY. MARYLAND Hazen PUMP REPLACEMENT CONTRACT ~~ Q tt--. 1 J . -i..-f.~/i7 J& _{? ~ Vtl)~ 7 PUMP CURVES & DESIGN LITTLE PATUXENT WATER RECLAMATION PLANT ~ ~ DlliR-TOR OF PUBLIC[WORKS DA1E CH\F -~&iE~ DA1E ~ CRITERIA CAPITAL PROJECT NUMBER S-6264 zN ~ HAZENANDSAWYER CONTRACT NUMBER 20 4991 "' J fr e' a.a, -11 ,.\\l 1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 -:.\ 11 ~"',_._ ua\7 1&> • 1"tt ··· --• Dlv 410-539-7681

,,,,t1t1J11,,, AA ,,,,, oF MAJii;',.,. PROFESSIONAL CERTIFICATION. DESIGNED ,,~~ ········ < ... ,, , ••R,4,,t•-"l' I HEREBY CERTIFY THAT THESE BRC ~ ~ .. \; .. ~,, DRAWN ->~.---· .. 0~

DOCUMENTS \\ERE PREPARED OR ~ .•",;: _,,,_ .. ,:, APPROVED BY ME, AND THAT I AM = _,,; .:-, : : A DULY LICENSED PROFESSIONAL CHECKED JCS - . -=--=o.. • 0:-= ENGINEER UNDER THE LAWS OF \~\ ,pG4253\,<;) / t::Jff THE STA1E OF MARYLAND,

PROJ. ENGR. AA -;,~••• G151t.~ •• ••"§"$ LICENSE NO.~. ,, ss;··········· ~e:; ,, EXPIRATION DA1E 07 /25/2D18 ,,,,,, 10NAL "2,,,,,'

.

DATE JAN 2017 DRAWING NUMBER

GS

SCALE AS SHOWN

SHEET 5 OF 27 ~:::; CHIEF BUREAU OF UTILITIES OA1E CHIEF UTILITY DESIGN DIVISON DATE I 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND ~~-----------------------------------------------------------------------------------_._-....._ __________ ......_ ___ ._ _ __.. ___________________ ....., _________________________ .._ _____ _. ''''""n"''' t lull+ SIGNED: APPROVED NO. ISSUED FOR DATE BY

20170126 1: OOP 0: \32232-BAL \32232-005\0r-awings\Generol\G-5.dwg LastSaveBy: EPROSSER

Page 6: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

I I

CD CL

I V, CL

I

V, CL

"1 0 V,

I V, CL

I

V, CL -C © 0 = C

0 V,

I V, CL

I

u-, CL

CD CL

I u-, CL

I

u-, CL

REMOVE PUMPS AND PIPING AS SHOWN ----L---+¼,,,,.;...,>I

REMOVE 24"x18" VENTILATION DUCT

REMOVE EXIST 16" PLUG VALVE, AND MOTOR

PUMP NO.1

OPERATOR, TYP 4 PLACES---+--+------,

B .....,. __ .:, __ - I

' \----------- ---------- ----- - --- --------------

f 24" DISCHARGE, Cl 132.0± ---,

I

L ~-~ '·"~· --·

PUMP N0.2

1-·~-------1

I I

I J

,_ __ , 1 ··

t

PUMP NO.4

DEMOLISH 3" DRAIN----~

~-REMOVE EXIST 24" KGV AND TIE-RODS

BOTTOM PLAN 1/4° = 1'-011

-----------------

ADDITIVE ALTERNATE 1 ............... , ........ _BASE BID

~--------- REMOVE 24" ELBOW, TYP 2

I I

A Ml

I ---,' r-· I

I -· w PUMP NO.5

+--:-

WETWELL NO.2

---+---~ REMOVE FLUSHING CONNECTION AND PLUG TAP OPENING

-[·- - .. -+ I . """"\,"'- -------.. -~-•->-••--------,

REMOVE EXIST 24" RISER TEE AND DEMOLISH CONCRETE SUPPORT

B Ml

·- ··---·-··-"-·-- --------------~ ! 1

.,.-[---,'-I _ I i C 24" DISCHARGE, - - , . ;-~. Cl 132.0±

l , 1 \ J --- i--- --,---➔----- -: -----------

' ---~~=-j

I I ·==--r-

I

SUCTION VALVE EXTENSION STEM, TYP REMOVE AND REINSTALL

(

REMOVE BEARING LUBE PIPING, TYP

AS NECESSARY----+----'-------1I I

'

• !

REMOVE 24" DISCHARGE BEND AND RISER

' SEE STRUCTURAL DRAWINGS FOR MODIFICATIONS TO ELEVATED PLATFORM _.;......_

I r

,._ ________________ _

H ,1 .,

REMOVE DUCT

NOTES: 1. REFER TO SPECIFICATIONS SECTION 01520 FOR MAINTENANCE

OF PLANT OPERATIONS DURING CONSTRUCTION.

SEE HVAC DRAWINGS (BASE BID)

MCC ROOM

----+--+--+I-- REMOVE PUMPS, MOTORS, SHAFTS, AND CONCRETE BASES FOR PUMPS 1,2 AND 4,5

-+-,,L--,"+-- REMOVE CONCRETE BASE FOR PUMPS 3 AND 6

vf---- REMOVE SHAFT I u

El 142.5±

EXISTING ALUMINUM GRATING ~

LJ :-:=·---- .. ___________________ :-:·===~~~~=;===~e=".!=====r======c;,=='===='=::::::::::::::!t::::::::::::::::::::::::::::::-c_---_-_--_-_--_--_-_-_-_-,_,-__ --_"_-._,_--,_"_-_,-__ ~_,,_,_--:::._:::._-=_'.'_'.'.'.'.'.'.'.'.'.'.' .... = .. ll.. __ ::: ___ ::: __ ::: __ ~ __ -u;;::z=t~~t:z::z=z:::::d

• ~~----.. --.. -_,,_-__ -,_-_--;_ \ i H 'j •i '. l f-"'--•---~----~-- i I

il ~¥;c=a"=J;=="'i!!i=c-~==15t -------------------\- - - ----- --- ---- - -

I

NOTE:

REMOVE 24" DISCHARGE TEE AND RISER

STAIRS NOT SHOWN FOR CLARITY

24" HEADER, CL 116.00± ~---1l! -

REMOVE CONCRETE SUPPORT

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

DATE CHIEF BUREAU OF ENGINEERING

, .• ,,., \"-.('~ ~ (Q.\~ ....

DATE CHIEF UTIUTY DESIGN DIVJSON

20170126 1. 01P 0: \32232-BAL \32232-005\Drawings\Mechonical\M1.dwg lostSaveBy: EPROSSER

DATE

DATE

~----- SEE STRUCTURAL DRAWINGS FOR MODIFICATIONS TO ELEVATED PLATFORM-------------~

I REMOVE 24nx16n TEE, TYP 4 PLACES

i, __ ---- ~-~~"'"7'""'7'""71-, ' . '

'

~

,-...------+--- SUPPORT TO REMAIN, SEE SECTION B/M2

H~.,~-.,. ,~-1; .. --.~-------- .--~---'-: ' l ·- -------·- -~-·-· -··--····· ;

24" DISCHARGE HEADER -----t-~

l i

REMOVE 16" PLUG VALVE-----+---

REMOVE 16" BASE ELBOW _____ _,___+---.

\ REMOVE 20" PLUG CHECK VALVE ---+-_L_-""!l~=-<

PUMP ROOM

/

i---t-----,,-+-- REMOVE 24 "x 18" VENTILATION DUCT, SEE HVAC DRAWINGS (SASE SID)

~-j>+-+-4----.--~~- REMOVE 16" PLUG VALVE, PIPING AND REDUCER AS SHOWN, TYP FOR PUMPS NO.1,2 AND NO.4,5

..-------h'--+""71--+----,.-1-- REMOVE 16"x14" RED

r-----t-Tl---n---+---,---~-REMOVEPUMP AND SUPPORT

---+--+-----,--~-- REMOVE 16" BASE ELBOW, REM1OVE BASE 1 + +)l,,4,j.llj,<";1:'..,..Jl,?>;t

SECTION B 1/4" = 1'-0" Ml

Hazen HAZEN AND SAWYER

1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 410-539-7681

REMOVE PIPE SUPPORT, TYP

PROFESSIONAL CERTIFICATION. DESIGNED AA

I HEREBY CERTIFY THAT THESE DRAWN BRC

DOCUMENTS WERE PREPARED OR APPROVED BY ME, AND THAT I AM

JCS A DULY LICENSED PROFESSIONAL CHECKED ENGINEER UNDER THE LAWS OF THE STA TE OF MARYLAND, PROJ. ENGR, AA LICENSE NO.~, EXPIRA llON DA TE 07/25/2018

SIGNED: APPROVED

TYP 4 PLACES

EL 107.5±

ELBOW SUPPORTS '.-hL l-:u· "-,,<'-¥­TYP 4 SUPPORTS __ -,_;----e-+-~-+"f_, El 107.5±

REMOVE 20"x16" RED NOTE:

REMOVE 3" DRAIN, TYP 6 PUMPS--~

REMOVE 20" HARNESSED ADAPTER

1. REMOVE All ELECTRICAL WIRING AND CONDUITS FOR PUMPS 1, 2, 4 AND 5

SECTION A 1/4" = 1'-0" Ml

INFLUENT PUMPING STATION MECHANICAL

1-----1----------+-----+-----I BOTTOM PLAN AND SECTIONS--·------· -··--·-""""~ DEMOLITION

NO. ISSUED FOR DATE BY

AS-BUILT

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND

DATE JAN 2017 DRAWING NUMBER

Ml SCALE AS SHOWN

SHEET 6 OF 27

Page 7: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

"' 0 C0

' v, Q_

' u, c_

0 U)

' w Q_

l

(D c,,

' 0 C,,

,----------- 'I'll'

,,.---------NOTES: 1. PROV!DE PORT FOR ANTIFREEZE FILL AND DRAIN PER MANUFACTURERS RECOMMENDATIONS AND >'ROVIDE VALVE AS NECESSARY.

\ \ f ..

\,

A BASE BID • I • ADDITIVE ALT~.~N~T~.1- ···1 M2

-----,,,,,, ... ~, -·r·~· .,-.. -~,,,., .......... J I .. -····--···- -- .. -~·--.. - . ..

,....,----u. I'll ---- 2. REALIGN STEM TO MATCH NEW VALVEOl>tRATOR POSIDON, PROVIDE NEW PENETRATIONS Alvb SEAL OPENINGS IF NECESSARY.

3, GEOMETRY AND REINFORCEMENT OF PUMP SUPPORTS ARE SHOWN FORBID PURf>OSES ONLY WITH F:INAL GEOMETRY AND REiNFORCING DETAILS TO BE BASED ON MANUFACTURER'S REQUIREMENiS FOR ACTUAL EQUIPMENT INSTALLED. SUBMJTTO ENGINEERMANUFACTURESiNf'ORMPiflQN !NDICAilNG BASEPLATE GEOMETRY, ANCHOR BOLT PATTERN AND WORST CASE·VERTICAL AND LATERAL LOADS TO THE ANCHORS FOR ENGINEER'S REVIEW PRIORTo·coNSTRUCT!ON OF THE PUMP SUPPORTS.

~ I

r···-·-·····••"···· ····•·-, ....... · .......... 1 •· · ·· . ··· , ........... +·•••'''""''"•······-· .. I --'I'll' --- 4. CONTRACTOR SHALL FIELD VERIFY SIZE OF FLOOR PENETRATION TO BE FILLED. SIZE OF PlATE SHOWN IS SUCHTO ACCOMMODATE A 16" OPENING WHILE

MAINTAINING A 4" EDGE DISTANCE BETWEEN THE EDGE OF OPENING AND THE CENTERLINE OF ADHESIVE ANCHORS. IF SIZE OF OPENINGS IS DIFFERENT THAN THAT SHOWN COORDINATE WITH EfllGlNEER PRIOR TO FABR!CAT!ON OF PlA TE. \\

. .

\

i rn-· ······· ! SEE NOTE 1 I ' .·./ . · VENTILATION. DUCT, SEE L----~ (TYP 4 PUMPS) ~; l / , HVACDWGS I 51

; --· i- l ;~;;~~·;;;;~;;;~~~~ ··i ..... .... ---· . -.-.-10______ _ 11119

sat11111t 1111111Dillllll£1llt,- ... - 1111111? 1 ' ! . . . . PUMP PUMP PUMP PUMP 2 i

N .1 N(?.2 N0.3 N .4 PUMP N0,6 HARNESSED FUNGED ADAP1ER

1516402

~EW 16'' RUBBER FLAPPER SWING CHECK VALVE, TYP ----,----1-----..__

J" QUICK CONNECT AND DUST CAP, TYP

/ B M2

··1 .,,,. ,,,, ".,,

'! ), :l ~-----"1-----~~-,1 ·~'-----~----~l .... lr-

BOTTOM PLAN 1/4" = 1'·0"

A M2

CLEAN AND PAINT EXISTING PIPING IN ACCORPANCEWITH

--L-•.---.-----------------------~--~--~--~--:_-:_-:_-:-.---.-.. -.-... -.. _-_-__ -.-----------:_-:_-:~-:~-~-~-~~•_:_,,~-:_-:_-:_-:_-:_-:_-:_--.-.. -.. -.---.-.. -.-.-.. -.-.. -.. ---.. -_:_~-~-~--~~-~~-s~P-_._E~-c~·1·_F_1~-c~··A~TI~-o~-N-~s-E_~ __ .. -:-·~--o-9_9_0_.~--=--=-.. =-.. =-.=~1-________ ~

B M2

24" DISCHARGE, CL 132.0± ---,

l. - . ~r "f-~F""'f. · ...... • .. , .. ·-t------,1--_ADDmVE ALTERNATE 1 .. ,. Iii. BASE BID ~ ... J.-i + t-··-r, L ~t1~1~g:ARGE, " ... 'c .. ) .......... ·-.l.·.• ....... _· __ :.··.. , , r. . 1 i. 1 ~ - .. -··· ,-a~-'-• -- .~-- ~~ ~-f--- --· -i;C - --------- . .,. t"'-+- r~~,. -~\-· ··-·-···· 1--···· , · ll: · ,' ·t:J"";i~··,-· ----T'""t-------t--.., ..,....-- ~:;~EA;tETIC FLOW METER NEW 24" ELBOW, 1YP - / .,,,,_,, .. ,, ... +.. . .. j ........ , .. i

~ / I ' J 1. I r I I I / I l I / 1 • . ~ SEE STRUCTURAL DRAWINGS FOR

.· ~-"'-----i"-- 24" MAGNETIC ! / . _ .. .............. f i , L___ MODlFICATljNS TO ELEVATED PlATFORM

',.' .• ·f-1,· .•. ·.·.· .. ·· ... ,.·... ,. _,;c¼ =====================,t;;-1' ... ·.~.--f,-f;:.:·+';;;·.,J·utc=============~:-·---·-·-:-,~ -- --·--__ -__ --· -- ~--: ---·~:::::_:_ __________ : ____ -____ ·:..:_ _____ · --=-----------------~::-. -_; -::-:::::·-·~--.-·-· ··-,----- - --.. -- --- -----:-i-;'f"'-TffT, .. ===cci1' ........... . ' ..... ,., ... , ............ ,. 1··········'"'· ' '.,, ... .

FLOW METER (NOTE 7)

1 / 8" DISCHARGE II "' :,.• Y Cl 120.00± --, "',

/l /~- NOTE 5 --~-- NEW PLATFORM

/ 8" SURGE REt!Ef'VALVE, / 1 NEW 24.x24• TE~ i ~~r~~~~~Ls::AW!NGS

.// TYP OF 2 -----~ I ·, j : / i 1------.c-··-·t-·--- NEW 24" DISCHARGE CLEAN AND PAINT EX!STING / 1 NEW 24"x16" TEE, TYP OF 4 ---.. I ; RISER, TYP (NOTE 5.) PIPINC:. !N ACCORDANCE i / 24" RESTRAINED "' ' · . / 24" MECHANICAL l • : "'

WITH SPECIF'ICATION U , DISMANTLING JOINT, , r "- II NEW 24" KGV- COUPLING, ·HS . :"' l'lv. 8" PV, TYP x., .. •· ~-+-- LATERAL RESTRAINT, SECTION 09900 ---- .,..,...µ, ____ 1 TYP----------£±-.. , NOTE 5 _7 / .__R..,ESTRAINED -~\ ' • ·ci / j SE!: DETAIL 10/01

; ~- "'· 1 / / " +--+-EE.C::::f NBLEIWND24F'LA' DINPGE ------.;....--,+-· ___ -_.._______ __ __::·:;:~,t;----4'"'..a7r L.....j;•.;;.; ···.;;.;·."-._·p""""--4-.J '-+--+-~---~--.-/-!_ ::I:, =l"'l==::::!:=:::j::.....:l>~-4'9"=4-.J •'f,__ ...... ·1-----1---+-'' ; ,,,.J,--✓-- !~~Li::~~~ HOLES

-, J, -- ·;.;:; ~ , ,.. . · I c~ 116.0±.,},,,, , NECESSARY AND ATTACH - ' +-+---- -·-·-- --t---· -t+:ltt----+---------+-- , ..... --,.-~--~ ·--- . .

~~~:,;:t~~~~· _I_N_T_, --+---:+i'•· 724"x8" TEE i , .. ,!.,,•" . ·---~--- [W::' --- -- , -w'° ........ ";;; Y.' I • ·~ "'7ti:4=. :::la,..c=~==*r -w'°'l .... . _r·+::1':::::.::i,...-"'l'--t--w'°~ .. . _.-!--4~Af"1• '1--....-·,.,..,- . NEW BASE TO SUPPORT

-.: I :,:: )\ ;"\,, )\ )\ r--.;;'';--;c-·' -----,--+---16" FLANGE FILLER

w14 BASE ELBOW cL DrscH 111.s3± 7 , ,r ..... '.,•,:·p,·;·,·.-.·•.·.: .. : .• t ... : . ·~.•· . ···· ···· v ;~,:i~, ~iE I~]~~:); 7

~··· V f'~ As REQ'D SUPPORT BEAM, SEE , CL PUMP 111.66±

DETAIL 6/Dl, TYP ~----+----+--------.,, l ,~J!Z; }:) ··· l / - ~~,~: NOTE: y / ,,;;;:;;::;;,, ~ 1 ~-',---',------+----NEW 16" BASE

STAIRS NOT SHOWN /i . l~~-Jtn-\~- ' f,:1~Jp "!1 1' !?/~,,. !~ (61,~-~.Y\ .i.f-:1,\j~~ ~~ I i ELBOW-,TYP4PLACES FORClARITY-------~~• ' rtSS4'POST, .,,~«.',VJ. ;,, g ,,v,'"ii;?'f , •vz.1l:/;,1.n ,\;(" "V, ,,, ··,··:('···' • , ,

~~~~~\~i;~Es~~~D '--~~--.. -.• -.. ,-... -.. , .. -.• -.. -_-irl~-::r::_ ..... ..J.1._-!,!if 4'·9" ---··--... -.... ~·: I ·-~'-8" .... --~ 1"" '.~:~"-~ ~--···7 \~~{:,<E18··l ..... l ! EL 107.5±

20" SUCTION, TYP CL 100.83± --~

""' "'"''"~··-·· _____ ,,,, ...... , .............. ,, •

PUMP N0.6

I 1 PUMP

N0,5 N0,4 1/ N0.3 N0.1 N0.1 DETAIL 7/Dl

CRADLE PIPE SUPPORT, EXISTING SEE STD 0331601R -··--· SUMP --~1

SECTION 8 1/4" = 1'-0" M2

SJ'EEL TAB 1516401

1516403

5, REINSTALL TIE-RODS IF ADDITIVE ALTERNATE 1 IS NOT IMPLEMENTED. INCLUDE COST IN ADDffiVE ALTERNATE 1 .

6. SHALL NOT BE LESS THAN 58 tNCHES. COORDINATE CONCRrn Pl)MP SUP!>ORT P!MENSlONS WITH MANUFACTIJRER. LAYOUT IS SHOWN FOR SPECIFIED PUMP MANUFACTURED BY FLYGT.IF SPECIFIED BY KSB IS PROVIDED, PROVIDE A 16-INCH RESTRAINED FLANGED COUl'UN(, ADAPTER BETWEEN CHECK VALVE AND ELBOW INCLUDING A 16-INCH FLl<PE PIPE WiTHA'PPROPRIATE LENGTH PROVIDED THAT THE DIMENSION BETWEEN PUMP SUPPORT AND WALL IS NOT LESS IBAN 58 INCrtES.

7. PROVIDE A 24·INCH SPOOL PIECE EQUAL TO LAV LENGTH OF EACH MAGNETIC FLOWMETER. HAND OVER TO OWNER FOR STORAGE.

8. 3 INCH DRAIN PIPING SHALL BE ASTM A312, TYPE 304, SCHEDULE 40 SEAMLESS STAINLESS STEEL ALL JOINTS AND FITTINGS SHALL HAVE NPT THREADED CONNECTIONS. DRATN PIPE SHALL BE CONNECTED TO THE DI SUCTION PIPING VIA A BOSS AND THREADED TAP. BALL VALVE SHALL BE FULL PORT, STAINLESS STEEL WITH TEFLON SEAT AND PACKING AND QUARTER TURN HANDLE, MANUFACTURED BY FLOW-TEK, APOLLO, OR EQUAL. QUICK CONNECT COUPLINGS SHALL BE STAINLESS STEEL CAM AND GROOVE STYLE COUPLINGS (MALE END), MANUFACTURED BY EVER-TJTE, OR EQUAL

;==~=-,==~No,a,sa~,--0~,.,~e.-.-#•"'•~==~•-•="~ .. ,.,,-·~•-•a--a-~•-o-,-•Taa_,,.,.._,_,,,,e_""''""""~'-C,>mt~•,s~\M•<~.a•c,,,.,.,.,,, •. ~,,_•~---•

PLUG OPENING

SUCTION VALVE EXTENSiON STEM, TYP

i i . " ... "· '"'-" "'"-' ' ' ' ' ·- . '. ,. ' . ' . ' . ' . .

EPOXY BONDING AGENT-----~

MCC ROOM

~-GROtJTFrLL MOTOR SHAFT OPENINGS, TYP 6 PLACES

1/2" STEEL PLATE ATTACHED TO BOTTOM

SEE NOTE 2 ------+------+e..-----'--------11 SIDE OF EXISTING SlAB, SEE DETAIL 1/Dl

NEW 24" DISCHARGE f(IStlR ----~ I

CORE DRILL AND '[c~" 1t,t~"""·;<i INSTALL LINK SEAL, p...... .. :

SEE 1509211R/Dl ii=::::.~'.:'. .. .,: 8" DISCHARGE CL ) j f --~ •

120.00± ------,'i fr- "7]

~~~7 ~;g ON \ • J F··~ -~==~u

j --1 ---~~ j ' ,' ................... ···· · ----~:~- ... ~~ =t 1

~ ~ :

~At--24" MAGNETIC ' FLOW METER

!i. Ii If·

' ------~; t f ;

!

' [ ;

. ····••><••··--_·--------- ----di:c,1 --~L-.•

DUCT SUPPORT, 1YP

DUCT SUPPORT

l l r--t ~-~-~~•·1 ' ~------ -""'

- CLEAN WALLS AND FLOOR IN ACCl'lRDP.NCE WITH SPECIFICATION SECTION 09900 (BASE BID}

ANGLED SUPPORT, 1YP

lAG 3 SMALL CS ON \ ~--------t----t--,._,,,-+-h----; SEE STRUCTURAL DRAWINGS FOR

EL 117.00 \ \ , LAG 2 SMALL CS ON \ \: EL 116.50 I ' ,;;

\ \ ~ LAG 1 SMAU;. CS ON. \ \ ; , EL 116,00 \ \ \ ! \

' \ ' ' \

LEAtl SMALL CS ON \ \ \ ; \ EL 115.50 ' \ \ \1 \ \> \ •. I.,,_~~"=" I ; I -LAG 1 LARGE CS ON \ ', \ f ___ sz -'-.----~--- . . . \ 'I -

~~~s~~: ON ~~·:J::::'.'.'.7"::::,:::sz:=c,l§ [ I EL 114.50 .. ...sz.J I

~--;---;=;--~V .. ~-· -=-- ~ l 1.EAD LARGE CS ON / ; I EL 114.00 I - i l

L)?AD VFO ON / ! / '"'EL~ . .,.11=3"".5=0"·. ---~ 1/ ! /

PUMP ROOM

M-ODIAcATIONS TO ELEVATED PLATFORM

~~· 8" SURGE RELIEF VALVE ~ x---t--t--tr-t-~ NfW 24" DISCHARGE - HEADER, CL 116.00±

,..,-,~~---+---J.-+--1-~,,.._~NflW 16" PlUG ,,,.//_/ CL J'!ill-1P !. VALVE

/· _.. .• / I: ~----4----11--'..,,._...,.'-'--NEW 16" RUBBER FLAPPER

/_.,....- SWING CHECK VALVE -- l .P.--1~~~~~!]t~~~1~-+-- PRESSURE GAlJGE, TYP SEE DETAIL 3/E9

+.- NEW 16"x12" OR 16"x14" (COORDINATE ! i Wl'rH PUMP DISCHARGE SIZE) .. ! . ,---t--~-ft--p-....- CL PlJMP 111.66± f

~1-----4-"1...._...;.i ~. -+-- CONCRETE i>UMI' SUPPORT, i · SEie DETAIL 2/Dl / ; /'

l6" FLANGE FILLER · i ,/ ; , AS REQ'D -----~--- / .. ·c ··t··'l--+l.-F,-;.A- ':;;:;:::::-+--1(-'. -t-- NEW DUCI', (SEE Hv'AC DRAWINGS)

~!:, !~!::.D ------;~ ... -.. -... -.-..2=~r:, CL 108.83± /

BASEBEND / / SUPPORT

L ........... ,.,_, ___ .,7•··-·· C .. .

ATTACH TO NEW VALVE OPERATOR

NEW 20" HARNESSED ADAPTER ------------

NEW 20" PLUG VALVE SECTION

EL 107.5±

~---- 3" D ,BALL VALVE AND QUICK CONNECT AS-BUILT

REPLACEMENT SHEET 1/2019 A M2

I 1-------..... ---""'-""'--""'--------------------------...-'-----------------.... --------------,----------------,,------------,,-.--.,,..--------------..------..----.--------------------------...--------,--------------------------,,...._ ______ _. ~ DEPARTMENT>OF PusL1c woRKs · ,,,,,,0•ti.;'.,\t,,, PROITSSlONAl CERTIF!CA1!0N. D2S!GNEi) ~~AA=. ·~· J.__----1---------1-------1-----1 1NFtu1=Nt PUMPING srAt100 ] HOWARD COUNTY, MARYLAND Ha· ·.. r,an·· .·· . ,:,'}~---~¥,"4t"··<❖ I HER8lY CERTIFYlliAT THESE BRC INFLUENT PUMPING STATION PUMP REPLACEM,ENT CONTRACT : I),. . . 1- l'-/JA·~.· _,.J :1.(1/te, "A:], r,,,,,; A I 11/i .. 4/1 "7 .-;~ 10 < ···•·LA..,·•· ....... . t""ty·~-s/~\c,\ ~ef&~t:!i~tAM DRAWN __ J_C_S _J---t--~-----.....,r,---·+-----11 MECHANICAL LITTLE PATUXENT WAlER RECLAMATION PLANT 'i V ,--..., . VC: ..7 • ~ ~)f..;Jf~ 1:,,,'vw~ 1 ~-ui i 0:::~ ENGlNEER uNorn 11-IE LAwsor CHECKED---=-=--r---ir-------- ---+----+-----1 CAPITAL PROJECT NtJMBER S--6264 ~ oArr CH~EA,uu~ or ~iiiiECc oArr ~~\ 1' 42 35s"' / tj§ 11-1E srATE OF iAAM'LA® -- J EK "R AA BOTTOM PLAN AND SECTIONS

,fa~ \\ '\ -, ~~' ®ff 1 SOUTHSTRE9a~511~~~~fMoRE,MD21202 ,,,,<i,s~~A~~s't,~~ ~~;~~~·l:.rti7/z5/~0!B ~K• J. ;;(j ·.-~~ .. ---t--~---- CONTRACT Nt.JMB·E·R 20i4991 :,? t;:, CHIEF UTILITY DESIGN DIVlSON DAlE '''"""""'' SIGNED: APPROVED 6TH ELECTION DISTRICT . HOWARD COUNTY, MARYLAND. SHEET 7 OF 27 ~~'-------------,i

3 AS-BUILT 1/9/19 AA 2 ADDENDUM 5/9/17 AA 1 ADDENDUM 5/9/17 AA

NO. ;$$0.E.G .~OR DATE BY

DATE JAN 2017 Df<AW1NG NUMBER

M2

: .::SCf\lJ~.-f\S_:$HO¼N

20170·, 26 1: 01P C: \32232-BAL \522:3Z-0C5\Dro11ir;gs-\Mecho,1\.co!\M2.dwq LcstSo:veS;,-; EPROSSER

Page 8: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

,-

N 0 u,

I u, Q__

I

u, Q__

N m 0

"' w 0

I u,

I

u, CL -C V ~ = C

w 0

I u,

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0 0

I u,

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ro 0

I u,

I

u, Q__

a5 Q__

I u, Q__

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PIPE OD ----,

APPROVED ADHESIVE ON BOTI-l CONTACT SURFACES OF PAD---~

1/4" MIN NEOPRENE PAD, DUROMETER 40 TO 50 MATERIAL HARDNESS, SEE NOTE 1 ---~'I -t----r--~-.--__,.,_ ___ -t-

#3 TIES, TYP ----+-+-~

CONC FLOOR --~

DOWEL ADHESIVE

6-#9 BARS TYP EA FACE

#3 CLOSED TIES @ 12", TY

NOTES:

'

p

#4 EF, TYP

SECTION

31-2"

SEE NOTE 2

. "' . . "' . •

• / •

• / •

• (!) • • •

PLAN

6" MIN SEE NOTE 2

z 0

f;j (/)

w ~

• 0

1. ENGINEER SHALL VERIFY THICKNESS OF PAD WILL ACCOMMODATE DESIGN MOVEMENT, PARTICULARLY FOR OUTSIDE AERIAL PIPE.

2. COORDINATE SUPPORT WIDTH WITH PIPE STRAP ANCHORAGE REQUIREMENTS. PROVIDE 6" MINIMUM, FROM CENTER OF PIPE STRAP ANCHOR ROD TO EDGE OF CONCRETE.

3/4" EMBEDDED ANCHOR BOLTS, TYP 8

CRADLE PIPE SUPPORT

0331601R CONTRACTOR SHALL TAP EXISTING 24" BLIND FLANGE FOR 8" STRUT FLANGE ---,

~-NON-SHRINK GROUT

=-IE-------------1 ==

== 8"0 DIP STRUT, FIELD VERIFY LAY LENGTH

~-- EXISTING WALL

HORIZONTAL RESTRAINT

DETAIL 11 1/2"=1'-0° Dl

3/4" BOLTS, TYP8

l2

"1

1211

• N

'° / •

N /

/ rl I

I I

st I ' '° I

N ', \ \

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"' GROUT FILLED 16" 0 OPENING ABOVE PLATE, SEE NOTE 3/M2

2'-4"

. I 12"

" --- ' ' ' \

\

I I

I I

/ /

/

'12

"1

"

1/2" STEEL PLATE

1/2" 0 ADHESIVE ANCHOR W/6" EMBED, TYP

FLOOR OPENING PLATE DETAIL

DETAIL 1 1" = 1•-on Dl

NEW CONCRETE WALL-----1

STAINLESS STEEL BOLTS--,

PIPE, 12" DIA MAX--

EXISTING CONCRETE WALL----

4'-8"

15" 15" NOTE 1

I NOTE 1

. . . #3 HAIRPIN

. . . // REINF ALL

ANCHOR BOLTS

.~ V . .

V

dJ '--- _/ -~ -. . . .

-#5@8"

VERT BARS

PUMP SUPPORT DETAIL

DETAIL 2 3/4" = 1'-0" Dl

316 SST SLEEVE

COMPRESSIBLE IJNK TYPE SEAL, TWO REQUIRED FOR WALL THICKNESS GREATER 11-lAN 10"

~--FOR PIPE DIA 4" AND LESS, THE WALL PENETRATION FOR EXISTING WALLS MAY BE CORE DRILLED AND SEALED WITH COMPRESSIBLE IJNK TYPE SEAL.

NONSHRINK GROUT

.

,,,v- PUMP SUCTION PIPE

#5@8" VERT BARS ANCHORED INTO BASEMAT MIN 10" W/DWL ADHESIVE

#5@8" HORZ /7' / BARS W/END

HOOKS, HOOKS SHALL BE FULL WIDTH OF SUPPORT

TYP 3/16

1509211R 24" 0 PIPE--,

SEE DETAIL 4/Dl

TYP 3/16

HSS 3x0.250 -----------11

SEE DETAIL 5/Dl ---,

EL 105.50±

PIPE SUPPORT DETAIL

DETAIL 3 3/4" = 1'-0" Dl

3/S"xl 13/16" STIFFENER PLATE, 3 REQ'D EACH SIDE OF

0 II II II 0 ___ U _____ JL _____ ~-------rr-----1,-----n----

II II II

PIPE O.D. + 1/2"

2'-4"

SUPPORT PLATE ------+t-+--~

1/2" SOLE PLATE

PIPE SUPPORT PLATE DETAIL

DETAIL 4 1 1/2" = 1 '-0" Dl

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rl

• "'

1/2" 0 A36 U-BOLT

3/8" SUPPORT PLATE

C, uJ a:: ~ uJ a:: (/) <(

• IX)

9" g"

FLANGE OD+2'

FLANGE OD

PIPE OD

3/8" 11-llCK SUPPORT PLATE, DRILL TO MATCH PIPE FLANGE-BOLT TO FLANGE WITI-l LONGER BOLTS

~- 3/8" X 3" STIFFENERS (4 REQD)

1 /2" 11-llCK X 7" WIDE PLATE

'-c3~/1~6+-+----<TYP

FABRICATED PIPE SUPPORT (AT FLANGE)

1509409R

0 0 0 0

0

0

0

0

0

0 0 0 0

0

0

0

0

_.,---PIPE

0

0

0

FLANGED PIPE SUPPORT, SEE STD 1509409R

:t---- HSS 6x4xl/4" CENTERED ON STIFFENERS, TYP

3/4"0 ADHESIVE ANCHORS W/MIN 8" EMBED, TYP -

1/2" MOUNTING PLATE

11/2"

• IX)

N --.. rl

rl

II II II LJ

13 1/2"

:□

II II II LJ

2 1-6"

0

0

II II II LJ

13 1/2" 1 1/2"

1/4" (MIN) BEARING PAD

1/2" MOUNTING PLATE

TYP EA END 3/16

• a,

1

• N --.. rl ,..,

"' • N --.. rl

.....

LATERAL RESTRAINT

DETAIL 10

9"

1/2" 6"

C'

0

3/4"=1'-0" Dl

11/2"

©

f----+--HSS3

0

1/2" 0 ADHESIVE ANCHOR W/6" EMBED, TYP

3/16

BASEPLATE DETAIL

DETAIL 5 1 1/2" = 1'-0" Dl

NOTES: 1. GEOMETRY ANO REINFORCEMENT OF PUMP

SUPPORTS ARE SHOWN FOR BID PURPOSES ONLY WITH FINAL GEOMETRY AND REINFORCING DETAILS TO BE BASED ON MANUFACTURER'S REQUIREMENTS FOR ACTUAL EQUIPMENT INSTALLED. SUBMIT TO ENGINEER MANUFACTURES INFORMATION INDICATING BASEPLATE GEOMETRY, ANCHOR BOLT PATTERN AND WORST CASE VERTICAL AND LATERAL LOADS TO THE ANCHORS FOR ENGINEER'S REVIEW PRIOR TO CONSTRUCTION OF THE PUMP SUPPORTS.

2. SEE SHEET 51 FOR CONCRETE SPECIFICATIONS.

SEE SECTION FOR DISTANCE BETWEEN POSTS

0 N --.. ..... IF 7

II II

0 "" _J

N --.. .....

HSS 4X4Xl/4, TYP

W14X34 -----~

STIFFENER PL BENEATH PIPE ELBOW SUPPORT,

II II 0 II I I II I 0

II

12"

3/16 POST TO BEAM, TYP

II 0 II

II IF 7 I II II II II "" JJ

0 II II

STIFFENER PL CENTERED ON POST, SIM TO DETAIL 9/Dl

SEE DETAIL 9/Dl ---~

~-- BASE ELBOW SUPPORT, CONTRACTOR TO VERIFY GEOMETRY AND BOLT PATTERN

0 ,..,

"'

BEAM DETAIL

DETAIL 1"=1 1-011

1 1/2"

1" --.. ..... rl

-()

• "' N- -· --.. ..... rl

9"

6"

6 Dl

11/2"

I_) 3/8" BASEPLATE

--+-HSS4

I_) 3/16

3/4" ADHESIVE ANCHOR WITH MIN 1" NON-SHRINK GROUT BENEATH BASE PLATE

8" MIN EMBEDMENT, TYP

N --.. rl

.....

• .....

1" --.. rl

rl

BASE PLATE DETAIL

DETAIL 7 1 1/2"=1'·0" Dl

16"

3" 10" 3"

3/16

l)==--..,.-~11:.__ __ --+--1/4" BEARING PAD, TYP

CONC PEDESTAL BEYOND

~-- 3/8" END PLATE

~---- W14 BEAM CENTERED ON PLATE

~------- 3/4" ADHESIVE ANCHOR W/ 8" MIN EMBEDMENT, TYP

END PLATE DETAIL

DETAIL 1"=1'-0"

8 Dl

W14 BEAM 3/8" STIFFENER PLATE

• 3/16 "'+--11------.U~3o-c/-::--l6;:--t➔-------<3 SIDES TYP

I CLEAR DEPTH I

STIFFENER PLATE DETAIL

DETAIL 9 1"=1'-0" Dl

.,: 0

Ji AS-BUILT '1------------------------------------------------------...... ---------.... --------..... -------------------------------,..-------------------------------------------------------g, DEPARTMENT OF PUBLIC WORKS ••""1""111. • PROFESSIONAL CERTIFICATION. H&S INFLUENT PUMPING STATION ~ H ····· ()t MA.0:~1,, DESIGNED ___ _ ~ HOWARD COUNTY. MARYLAND azen .§·~<v, ••• \!···••::tz;--- I HEREBY CERTIFY THAT THESE l----t----------,1-----,1-----1 PUMP REPLACEMENT CONTRACT '2 f~~/-:;ss Ak's,;·.~ ~i~~~~ti"s~:t:~E6A~~rtAM DRAWN __ =BR~C~ MISCELLANEOUS STANDARD LITTLE PATUXENTWATER RECLAMATION PLANT go '2/ ~ £ ,/l_ -IJ/J.. U/t) 11 = • '. : A DULY LICENSED PROFESSIONAL CHECKED ___ J_C_S_l---+------------1------1----1 ~ ~ fl :--o, =r:i::= ENGINEERUNDERTHELAWSOF DETAILS CAPITAL PROJECT NUMBER S-6264 ;:] DAlE CIEFBlJR£AUOfENGRIN~ DAlE ~~-- ,p~42535,<:, l!fj!: THE STAlE OF MARYLAND, PROJ. ENGR ___ ~AA~t----t------------t-------t-----1 "' ~ HAZEN AND SAWYER ~""• ••• ,c1sr,.s--v/~~ LICENSE N0.42535, CONTRACT NUMBER 20 4991

!, : ___ a f ,. -~ G-·-~ · ....,.,\G\ ,_, 1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 -:.,,.f.s~v··'N·· .. ···s~"'~·-- EXPIRATION DAlE 07/25/2018 _

~ if: CHIEF BU~O;UTIUTIE~ ---- 9!i~,., CHlEFUlllJlYD~ L,i DAlE '_J 410-539-7681 11111111

"~~ ........ •,tu-(19- SIGNED: APPROVED NO. ISSUED FOR DATE BY 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND ~~._ _____________________________________________________ ...._ _________ ._ ________ ...., _______ _._ _ _. ___________ ..,_ ___ ._ _ _,,_ _________ ...._ __________ ,._ ________________________________ _.

DA TE JAN 2017 DRAWING NUMBER

Dl

SCALE AS SHOWN

SHEET 8 OF 27

20170126 1: 02P 0: \32232-BAL \32232-005\Drawings\Details\Ol.dwg LastSoveBy: EPROSSER

Page 9: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

g, I

N V) N N V)

GENERAL STRUCTURAL NOTES

G-1 THESE NOTES ARE GENERAL AND SUPPLEMENT THE SPECIFICATIONS. THESE NOTES APPLY TO THE ENTIRE PROJECT UNLESS MODIFIED OR NOTED OTHERWISE IN THE CONTRACT DOCUMENTS.

G-2 STANDARD DETAILS SHALL BE USED WHEN REFERRED TO OR WHEN NO MORE RESTRICTIVE OR DIFFERENT DETAILS ARE SHOWN ON THE DRAWINGS.

G-3 DESIGN IS IN ACCORDANCE WITH AND CONSTRUCTION SHALL COMPLY WITH THE PROVISIONS OF THE MARYLAND BUILDING PERFORMANCE STANDARDS. THE DESIGN LOADS AND OTHER DESIGN VALUES GIVEN IN THE NOTES BELOW WERE USED FOR DESIGN OF STRUCTURAL COMPONENTS UNLESS NOTED OTHERWISE ON THE DRAWINGS.

G-4 LIVE LOADS: SEE SHEET 54 FOR ALLOWABLE LIVE LOADS ON PLATFORM AREAS. EQUIPMENT AND PIPING SUPPORTS ARE DESIGNED FOR THE WEIGHT OF EQUIPMENT SUPPORTED.

G-5 SEISMIC LOAD:

OCCUPANCY CATEGORY = I I I SEISMIC IMPORTANCE FACTOR (le) = 1.25 SITE CLASS = D MAPPED SPECTRAL RESPONSE ACCELERATIONS (Ss/51) = 0.159/0.050 SPECTRAL RESPONSE ACCELERATIONS (SMS/SM1) = 0.254/0.120 SPECTRAL RESPONSE COEFFICIENTS (SDS/SD1) = 0.170/0.080 SEISMIC DESIGN CATEGORY = B

G-6 ALL DIMENSIONS INDICATED(*) SHALL BE VERIFIED EITHER BY FIELD MEASUREMENTS FOR EXISTING STRUCTURES OR BY SHOP DRAWINGS FOR EQUIPMENT FURNISHED. STRUCTURAL DIMENSIONS NOT SHOWN BUT CONTROLLED BY OR RELATED TO EQUIPMENT SHALL BE VERIFIED BY THE CONTRACTOR WITH THE MANUFACTURER PRIOR TO CONSTRUCTION.

G-7 THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING ALL EXISTING INFORMATION IN THE FIELD AS REQUIRED FOR NEW WORK.

G-8 IF A CONFLICT IS FOUND BETWEEN DIFFERENT PORTIONS OF THE CONTRACT DOCUMENTS, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. CONTINUED CONSTRUCTION OF THE AREA IN CONFLICT SHALL BE AT THE CONTRACTOR'S OWN RISK UNTIL THE CONFLICT IS RESOLVED.

G-9 EQUIPMENT ANCHOR BOLT SIZES, TYPES, EMBEDMENT AND PATTERNS SHALL BE VERIFIED WITH THE MANUFACTURER. ALL BOLT PATTERNS SHALL BE TEMPLATED TO INSURE ACCURACY OF PLACEMENT.

G-10 STRUCTURAL DRAWINGS SHALL BE USED IN COORDINATION WITH THE DRAWINGS OF ALL OTHER DISCIPLINES AND MANUFACTURER'S SHOP DRAWINGS.

G-11 STRUCTURES HAVE BEEN DESIGNED FOR OPERATIONAL LOADS ON THE COMPLETED STRUCTURE. DURING CONSTRUCTION, THE STRUCTURES SHALL BE PROTECTED BY BRACING AND TEMPORARY SUPPORTS WHEREVER EXCESSIVE CONSTRUCTION LOADS MAY OCCUR. OVERSTRESSING OF ANY STRUCTURAL ELEMENT IS PROHIBITED.

G-12 IF CONTRACTOR DESIRES TO TEMPORARILY PLACE OR MOVE LOADS ON OR ADJACENT TO EXISTING STRUCTURES OR UTILITIES DURING CONSTRUCTION PROCESS, CONTRACTOR IS EXCLUSIVELY RESPONSIBLE FOR MAINTAINING STRUCTURAL INTEGRITY AND AVOIDING OVERSTRESSING AND DAMAGING EXISTING STRUCTURES AND UTILITIES. CONTRACTOR SHALL SUBMIT STRUCTURAL CALCULATIONS AND DRAWINGS VERIFYING PROPOSED CONSTRUCTION INCLUDING APPLICATION OF TEMPORARY CONSTRUCTION LOADS WILL NOT OVERSTRESS OR DAMAGE EXISTING STRUCTURES AND UTILITIES. DRAWINGS AND CALCULATIONS SHALL BE SEALED BY A PROFESSIONAL ENGINEER CURRENTLY REGISTERED IN THE STATE OF MARYLAND.

STRUCTURAL METALS

M-1 DETAIL, FABRICATE, AND ERECT STRUCTURAL STEEL IN ACCORDANCE WITH AISC SPECIFICATION FOR STRUCTURAL STEEL BUILDINGS, ALLOWABLE STRESS DESIGN AND PLASTIC DESIGN, LATEST EDillON.

M-2 STEEL MATERIAL: A) STRUCTURAL HSS: BJ STRUCTURAL PIPE: CJ PLATES, BARS AND ANGLES: DJ STRUCTURAL W SHAPES: E) STRUCTURAL S, M, C & MC SHAPES: F) STRUCTURAL HP G) RODS

ASTM A500, GRADE C (46/50 KS!) OR A1085 (50 KS!) ASTM A53, GRADE B (35 KS!) ASTM A36 UNO (36 KS!) ASTM A992 (50 KS!) ASTM A36 ( 36 KS!) ASTM A572 GRADE 50 (50 KS!) ASTM F1554 GRADE 36 (36 KS!)

M-3 PROVIDE MINIMUM 3/4" DIAMETER ASTM A325 HIGH STRENGTH BOLTS WITH SNUG TIGHTENED TYPE N CONNECTIONS FOR STRUCTURAL STEEL UNLESS NOTED OTHERWISE. HOLES FOR BOLTS SHALL BE STANDARD SIZE UNLESS NOTED OTHERWISE.

M-4 PROVIDE TYPICAL STEEL BEAM CONNECTIONS FOR A CAPACITY OF NOT LESS THAN THE TOTAL UNIFORM LOAD CAPACITY TABULATED IN THE AISC TABLES FOR ALLOWABLE LOADS OF BEAMS UNLESS NOTED OTHERWISE.

M-5 DO NOT PAINT STEEL SURFACES WHICH ARE TO BE WELDED OR ARE TO BE ENCASED IN CONCRETE.

M-6 ALL STAINLESS STEEL FABRICATIONS EXPOSED TO UNDERWATER SERVICE SHALL BE TYPE 316. ALL OTHER STAINLESS STEEL FABRICATIONS SHALL BE TYPE 304 UNLESS NOTED OTHERWISE.

M-7 ALUMINUM SHALL BE ALLOY 6061-T6 UNLESS NOTED OTHERWISE.

M-8 ALL BOLTS, ANCHOR BOLTS, AND CONCRETE ANCHORS CONNECTING ALUMINUM SHALL BE STAINLESS STEEL TYPE 316 FOR UNDERWATER APPLICATIONS AND TYPE 304 FOR ALL OTHER APPLICATIONS.

M-9 DETAIL, FABRICATE, AND ERECT ALUMINUM IN ACCORDANCE WITH THE LATEST EDITION OF THE ALUMINUM ASSOCIATION ALUMINUM DESIGN MANUAL.

M-10 ALUMINUM SHALL BE ISOLATED FROM CONTACT WITH CONCRETE AND DISSIMILAR METALS.

M-11 ALL GROOVE AND BUTT WELDS SHALL BE FULL PENETRATION.

M-12 FILLET WELD SIZES SHALL NOT BE LESS THAN THE MINIMUM SIZE REQUIRED BY AISC CODE FOR PLATE SIZES TO BE CONNECTED AND SHALL BE APPLIED TO THE ENTIRE JOINT CONTACT LENGTH, AND NOT LESS THAN 3/16".

M-13 BOTTOM SURFACES OF BASE PLATES SHALL BE GROUTED TO ENSURE FULL BEARING CONTACT WITH CONCRETE SLAB.

M-14 WHENEVER ONE MEMBER IS FASTENED TO ANOTHER WITH FASTENINGS (BOLTS, WELDS, ETC.) SET AT A UNIFORM SPACING, THERE SHALL BE A MINIMUM OF TWO FASTENINGS PER PIECE CONNECTED AND THE FIRST AND LAST FASTENINGS SHALL BE LOCATED NOT TO EXCEED 0.25 OF FASTENER SPACING FROM EACH END.

M-15 BOLTED CONNECTIONS FOR STRUCTURAL STEEL SHALL BE ASSEMBLED AND INSPECTED IN ACCORDANCE WITH RCSC (SPECIFICATIONS FOR STRUCTURAL JOINTS USING ASTM A325 OR ASTM A490 BOLTS).

M-16 STRUCTURAL WELDED JOINTS SHALL CONFORM TO THE PROVISIONS OF AWS Dl.1, STRUCTURAL WELDING CODE BY AMERICAN WELDING SOCIETY. PROOF OF WELDER CERTIFICATION SHALL BE AVAILABLE AT THE JOB SITE DURING TIMES OF INSPECTION.

M-17 BEARING PADS - BEARING PADS SHALL BE ONE PIECE NON-LAMINATED PADS WITH THE ELASTOMER PORTION OF THE PAD MADE FROM NEW NEOPRENE COMPOUND. PADS SHALL BE CAST UNDER HEAT AND PRESSURE AND MAY BE INDIVIDUALLY MOLDED OR CUT FROM PRESSURE-CAST STOCK. TOLERANCES, DIMENSIONS, FINISH AND APPEARANCE, FLASH, AND RUBBER-TO-METAL BONDING SHALL CONFORM TO THE REQUIREMENTS OF A 4-F3-T.063-B2, GRADE 2, METHOD B, IN ACCORDANCE WITH THE RMA RUBBER HANDBOOK. PADS SHALL HAVE A HARDNESS OF 70 POINTS ±5 (ASTM D624) AND A MINIMUM TENSILE STRENGTH OF 2500 PSI IN BOTH THE LONGITUDINAL AND TRANSVERSE DIRECTION (ASTM D412). ADHESIVE USED FOR ATTACHMENT TO CONCRETE SHALL BE 20+F CONTACT CEMENT BY MIRACLE ADHESIVES CORPORATION, NEOPRENE ADHESIVE 77-198 BY IGI ADHESIVES, SIKODUR 31, HI-MOD GEL BY SIKA CORPORATION, OR DP-605 NS URETHANE ADHESIVE BY 3M ADHESIVE SYSTEMS.

CONCRETE (CAST-IN-PLACE)

C-1 DESIGN OF CONCRETE ELEMENTS IS IN ACCORDANCE WITH AC! 318 (CODE REQUIREMENTS FOR STRUCTURAL CONCRETE).

C-2 ALL CONCRETE SHALL BE MACHINE MIXED, HAND MIXING OF CONCRETE WILL NOT BE PERMITTED. EACH BATCH OF CONCRETE SHALL BE MIXED IN A TRUCK MIXER FOR NOT LESS THAN 100 REVOLUTIONS OF THE DRUM OR BLADES AT THE RATE OF ROTATION DESIGNATED BY THE MANUFACTURER OF EQUIPMENT AND EVERY CONCRETE DELIVERY SHALL BE ACCOMPANIED BY A DELIVERY TICKET.

C-3 SUBMIT A CONCRETE MIX DESIGN INCLUDING THE FOLLOWING IN ACCORDANCE WITH SECTION 01300, SUBMITTALS.

A. SOURCES OF ALL MATERIALS AND CERTIFICATIONS OF COMPLIANCE WITH SPECIFICATIONS FOR ALL MATERIALS.

B. CERTIFIED CURRENT (LESS THAN 1 YEAR OLD) CHEMICAL ANALYSIS OF THE PORTLAND CEMENT OR BLENDED CEMENT TO BE USED.

C. CERTIFIED CURRENT (LESS THAN 1 YEAR OLD) CHEMICAL ANALYSIS OF FLY ASH OR SLAG CEMENT TO BE USED.

D. AGGREGATE TEST RESULTS SHOWING COMPLIANCE WITH REQUIRED STANDARDS, I.E., SIEVE ANALYSIS, AGGREGATE SOUNDNESS TESTS, PETROGRAPHIC ANALYSIS, MORTAR BAR EXPANSION TESTING, ETC.

E. MANUFACTURER'S DATA ON ALL ADMIXTURES STATING COMPLIANCE WITH REQUIRED STANDARDS.

F. CONCRETE MIX DESIGN FOR EACH CLASS OF CONCRETE SPECIFIED HEREIN.

G. FIELD EXPERIENCE RECORDS AND/OR TRIAL MIX DATA FOR THE PROPOSED CONCRETE MIXES FOR EACH CLASS OF CONCRETE SPECIFIED HEREIN.

C-4 STRUCTURAL CONCRETE SHALL CONFORM TO THE FOLLOWING REQUIREMENTS. CEMENTITIOUS MATERIALS REFER TO THE TOTAL COMBINED WEIGHT OF ALL CEMENT, FLY ASH, AND SLAG CEMENT CONTAINED IN THE MIX:

A. COMPRESSIVE STRENGTH: 4000 PSI (MINIMUM)

B. WATER/ CEMENTITIOUS MATERIALS RATIO BY WEIGHT: 0.39 (MIN) TO 0.45 (MAX)

C. SLUMP RANGE: 4 INCH NOMINAL (WITHOUT HIGH RANGE WATER REDUCER), 8 INCH MAX (WITH HIGH RANGE WATER REDUCER)

D. AIR CONTENT: 6% +/- 1.5%

C-5 CONCRETE MATERIALS

A. PORTLAND CEMENT SHALL BE TYPE I/II OR II CONFORMING TO ASTM C 150. FOR CONCRETE MIXED WITH ONLY PORTLAND CEMENT, THE TOTAL ALKALIS IN THE CEMENT (CALCULATED AS THE PERCENTAGE OF NA20 PLUS 0.658 TIMES THE PERCENTAGE OF K20) SHALL NOT EXCEED 0.40%. FOR CONCRETE MIXED WITH PORTLAND CEMENT AND AN APPROPRIATE AMOUNT OF FLY ASH OR SLAG CEMENT THE TOTAL ALKALIS IN THE PORTLAND CEMENT SHALL NOT EXCEED 0.85%. THE PROPOSED PORTLAND CEMENT SHALL NOT CONTAIN MORE THAN 8% TRICALCIUM ALUMINATE AND MORE THAN 12% TETRACALCIUM ALUMINOFERRITE.

B. FLY ASH SHALL MEET THE REQUIREMENTS OF ASTM C 618 FOR CLASS F, EXCEPT THAT THE LOSS ON IGNITION SHALL NOT EXCEED 4%. FLY ASH SHALL ALSO MEET THE OPTIONAL PHYSICAL REQUIREMENTS FOR UNIFORMITY AS SHOWN IN TABLE 3 OF ASTM C 618. WHERE THE TOTAL ALKALIS IN THE PORTLAND CEMENT EXCEED 0.40% THE FLY ASH CONSTITUENT SHALL BE BETWEEN 15% AND 25% OF THE TOTAL WEIGHT OF THE COMBINED PORTLAND CEMENT AND FLY ASH.

C. SLAG CEMENT SHALL MEET THE REQUIREMENTS OF ASTM C 989 INCLUDING TESTS FOR EFFECTIVENESS OF SLAG IN PREVENTING EXCESSIVE EXPANSION DUE TO ALKALI-AGGREGATE REACTIVITY AS DESCRIBED IN APPENDIX X-3 OF ASTM C 989. WHERE THE TOTAL ALKALIS IN THE PORTLAND CEMENT EXCEED 0.40% THE SLAG CEMENT CONSTITUENT SHALL BE BETWEEN 35% AND 40% OF THE TOTAL WEIGHT OF THE COMBINED PORTLAND CEMENT AND SLAG.

D. WATER USED FOR MIXING CONCRETE SHALL BE CLEAR, POTABLE AND FREE FROM DELETERIOUS SUBSTANCES SUCH AS OBJECTIONABLE QUANTITIES OF SIL TY ORGANIC MATTER, ALKALI, SALTS AND OTHER IMPURITIES.

E. COARSE AGGREGATES SHALL CONSIST OF HARD, CLEAN, DURABLE GRAVEL, CRUSHED GRAVEL OR CRUSHED ROCK. COARSE AGGREGATE SHALL BE SIZE #57 OR #67 AS GRADED WITHIN THE LIMITS GIVEN IN ASTM C 33 UNLESS OTHERWISE SPECIFIED. FINE AGGREGATE (SAND) IN THE VARIOUS CONCRETE MIXES SHALL CONSIST OF NATURAL OR MANUFACTURED SILICEOUS SAND, CLEAN AND FREE FROM DELETERIOUS SUBSTANCES, AND GRADED WITHIN THE LIMITS OF ASTM C 33. AGGREGATE SHALL MEET THE REQUIREMENTS FOR SOUNDNESS AS DEFINED BY ASTM C88 AND THE LOSS AFTER 5 CYCLES SHALL NOT EXCEED 10%.

C-6 CONCRETE ADMIXTURES

A. AIR ENTRAINING AGENT SHALL BE ADDED TO ALL CONCRETE UNLESS NOTED OTHERWISE. THE AGENT SHALL CONSIST OF A NEUTRALIZED VINSOL RESIN SOLUTION OR A PURIFIED HYDROCARBON WITH A CEMENT CATALYST WHICH WILL PROVIDE ENTRAINED AIR IN THE CONCRETE IN ACCORDANCE WITH ASTM C 260.

B. WATER REDUCING ADMIXTURE SHALL CONFORM TO ASTM C 494, TYPE A AND SHALL CONTAIN NO MORE THAN 0.05% CHLORIDE IONS. ACCEPTABLE PRODUCTS ARE "EUCON SERIES" BY THE EUCLID CHEMICAL COMPANY, "MASTER POZZOLITH SERIES" BY BASF, AND "PLASTOCRETE SERIES" BY SIKA CORPORATION.

C. HIGH RANGE WATER REDUCER SHALL BE SULFONATED POLYMER CONFORMING TO ASTM C 494, TYPE FOR G. THE HIGH RANGE WATER REDUCER SHALL BE ADDED TO THE CONCRETE AT EITHER THE BATCH PLANT OR AT THE JOB SITE AND MAY BE USED IN CONJUNCTION WITH A WATER REDUCING ADMIXTURE. ACCEPTABLE PRODUCTS ARE "EUCON 37" OR "PLASTOL 5000" BY THE EUCLID CHEMICAL COMPANY, "MASTER RHEOBUILD 1000" OR "MASTER GLENIUM SERIES" BY BASF, AND "DARACEM 100" OR "ADVAFLOW SERIES" BY W.R. GRACE.

D. SUBMIT MANUFACTURER'S DATA INCLUDING THE CHLORIDE ION CONTENT OF EACH ADMIXTURE AND CERTIFICATION FROM THE ADMIXTURE MANUFACTURER THAT ALL ADMIXTURES UTILIZED IN THE DESIGN MIX ARE COMPATIBLE WITH ONE ANOTHER AND PROPERLY PROPORTIONED PRIOR TO MIX DESIGN REVIEW.

C-7 REINFORCING STEEL A. ALL BAR REINFORCING SHALL CONFORM TO ASTM A615, GRADE 60. WELDED WIRE FABRIC SHALL CONFORM TO ASTM A185.

B. PROVIDE ALL NECESSARY CHAIRS, SLAB BOLSTERS, CONCRETE BLOCKS, TIE WIRES, DIPS, SUPPORTS, SPACERS AND OTHER DEVICES TO POSITION REINFORCING DURING CONCRETE PLACEMENT. SLAB BOLSTERS SHALL HAVE GRAY PLASTIC-COATED LEGS.

C. WHERE ADHESIVE DOWELS ARE CALLED FOR ON THE DRAWINGS THE DOWEL ADHESIVE SYSTEM SHALL MEET THE REQUIREMENTS OF SPECIFICATION 05050 FOR STRUCTURAL ADHESIVE ANCHORS. INSTALLERS OF ADHESIVE DOWELS SHALL BE CERTIFIED AS AN ADHESIVE ANCHOR INSTALLER AND SHALL INSTALL DOWELS AS REQUIRED BY SPECIFICATION 05050.

D. WHERE INDICATED ON THE DRAWINGS ADHESIVE DOWELS SHALL BE LOAD TESTED AS PER THE CONCRETE ANCHOR TESTING REQUIREMENTS OF SPECIFICATION 05050.

E. REINFORCING BARS AND ACCESSORIES SHALL NOT BE IN CONTACT WITH ANY METAL PIPE, PIPE FLANGE, METAL CONDUIT, OR OTHER METAL PARTS EMBEDDED IN CONCRETE. A MINIMUM CLEARANCE OF 2" SHALL BE PROVIDED.

F. DRILLED ADHESIVE DOWELS (WHERE DOWELS ARE SHOWN TO BE PLACED INTO HARDENED CONCRETE):

a. THE HOLE DIAMETER SHALL BE NO LARGER THAN 1/8" GREATER THAN THE DIAMETER OF THE REINFORCING BAR AT THE DEFORMATIONS.

b. THE DEPTH OF EMBEDMENT SHALL BE 12 BAR DIAMETERS, UNLESS NOTED OTHERWISE. c. ADJUST THE DOWEL LOCATIONS AS NEEDED TO AVOID DRILLING THROUGH ANY REINFORCING BARS. IF THE LOCATION NEEDS TO

BE MODIFIED, CONTACT THE ENGINEER. CONTRACTOR SHALL USE NON-DESTRUCTIVE MEANS TO FIELD LOCATE REINFORCEMENT PRIOR TO DRILLING HOLES FOR DOWELS.

CONCRETE (CONT.)

C-8CONCRETE FORMWORK

A. CONCRETE FORMWORK SHALL BE IN ACCORDANCE WITH AC! 301, AC! 318, AND AC! 347. TOLERANCES SHALL BE IN ACCORDANCE WITH AC! 117. DESIGN AND ENGINEERING OF FORMWORK AND SAFETY CONSIDERATIONS DURING CONSTRUCTION SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR.

B. WOOD MATERIALS FOR CONCRETE FORMS AND FALSEWORK SHALL BE HIGH DENSITY OVERLAID (HDO) PLYWOOD MANUFACTURED ESPECIALLY FOR CONCRETE FORMWORK AND SHALL CONFORM TO THE REQUIREMENTS OF PS1 FOR CONCRETE FORMS, CLASS I, AND SHALL BE EDGE SEALED. OTHER FORM MATERIALS SUCH AS METAL, FIBERGLASS, OR OTHER ACCEPTABLE MATERIAL THAT WILL NOT ADVERSELY AFFECT THE CONCRETE AND WILL FACILITATE PLACEMENT OF CONCRETE TO THE SHAPE, FORM, LINE AND GRADE INDICATED MAY BE SUBMITTED TO THE ENGINEER FOR APPROVAL, BUT ONLY MATERIALS THAT WILL PRODUCE A SMOOTH FORM FINISH EQUAL OR BETTER THAN THE WOOD MATERIALS SPECIFIED WILL BE CONSIDERED.

C. FORM TIES SHALL BE PROVIDED WITH A PLASTIC CONE OR OTHER SUITABLE MEANS FOR FORMING A CONICAL HOLE TO INSURE THAT THE FORM TIE MAY BE BROKEN OFF A MINIMUM OF 1 INCH BACK OF THE FACE OF THE CONCRETE. HOLES LEFT BY REMOVAL OF PLASTIC CONE SHALL BE PATCHED WITH CEMENTITIOUS GROUT.

D. FORM RELEASE AGENT SHALL BE A BLEND OF NATURAL AND SYNTHETIC CHEMICALS THAT EMPLOYS A CHEMICAL REACTION TO PROVIDE QUICK, EASY AND CLEAN RELEASE OF CONCRETE FROM FORMS. IT SHALL NOT STAIN THE CONCRETE AND SHALL LEAVE THE CONCRETE WITH A PAINTABLE SURFACE. SUBMIT MANUFACTURERS DATA ON PROPOSED FORM RELEASE AGENT.

C-9 CONCRETE FINISHES

A. TOPS OF ALL EQUIPMENT PADS SHALL BE PROVIDED WITH A BROOM FINISH

B. VERTICAL SURFACES OF ALL EXPOSED CONCRETE SHALL BE PROVIDED WITH A SMOOTH RUBBED FINISH. FINISH SHALL CONSIST OF:

a. REMOVE ALL FINS, BURRS, OFFSETS, MARKS AND ALL OTHER PROJECTIONS LEFT BY THE FORMS AND FILL ALL HOLES SOLIDLY WITH CEMENTITIOUS GROUT. ANY HONEYCOMBS SHALL BE CHIPPED BACK TO SOLID CONCRETE AND REPAIRED AS DIRECTED BY THE ENGINEER.

b. PREDAMPEN CONCRETE AND SPREAD OVER THE SURFACE WITH BURLAP PADS OR SPONGE RUBBER FLOATS A SLURRY CONSISTING OF ONE PART CEMENT TO 1-1/2 PARTS SAND PASSING THE NO. 16 SIEVE.

c. ONCE CONCRETE HAS THOROUGHLY HARDENED AND MORTAR USED FOR PATCHING HAS FIRMLY SET WET THE SURFACE OF THE CONCRETE AND RUB WITH A CARBORUNDUM STONE. SURFACE SHALL BE RUBBED UNTIL A SMOOTH, UNIFORM SURFACE HAS BEEN OBTAINED.

C-10 CONCRETE CURING

A. AS SOON AS THE CONCRETE HAS BEEN PLACED AND HORIZONTAL TOP SURFACES HAVE RECEIVED THEIR REQUIRED FINISH, PROVISION SHALL BE MADE FOR MAINTAINING THE CONCRETE IN A MOIST CONDITION FOR AT LEAST A 5-DAY PERIOD THEREAFTER. HORIZONTAL SURFACES SHALL BE KEPT COVERED, AND INTERMITTENT, LOCALIZED DRYING WILL NOT BE PERMITTED.

B. TO ENSURE THAT THE CONCRETE REMAINS MOIST THE CONTRACTOR SHALL EITHER UTILIZE MATS OR FABRIC KEPT CONTINUOUSLY WET, UTILIZE SHEETING MATERIALS CONFORMING TO ASTM C171 OR IF APPROVED BY THE ENGINEER APPLY A CURING COMPOUND. CURING COMPOUND SHALL BE A CLEAR STYRENE ACRYLATE TYPE COMPLYING WITH ASTM C 1315, TYPE 1, CLASS A WITH A MINIMUM SOLIDS CONTENT OF 30%. MOISTURE LOSS SHALL NOT BE GREATER THAN 0.40 KG/M2 WHEN APPLIED AT 300 SQ.FT./GAL. MANUFACTURER'S CERTIFICATION IS REQUIRED. ACCEPTABLE PRODUCTS ARE SUPER DIAMOND CLEAR VOX BY THE EUCLID CHEMICAL COMPANY, MASTEKURE CC 300 SB BY BASF MASTER BUILDER SOLUTIONS, AND CURE & SEAL 30 PLUS BY SYMONS CORPORATION.

C-11 FIELD QUALITY CONTROL TESTING

A. THE CONTRACTOR SHALL PROVIDE APPROVED CURING BOXES FOR STORAGE OF CYLINDERS ON SITE. THE INSULATED CURING BOX SHALL BE OF SUFFICIENT SIZE AND STRENGTH TO CONTAIN ALL THE SPECIMENS MADE IN ANY FOUR CONSECUTIVE WORKING DAYS AND TO PROTECT THE SPECIMENS FROM FALLING OVER, BEING JARRED OR OTHERWISE DISTURBED DURING THE PERIOD OF INITIAL CURING. THE BOX SHALL BE ERECTED, FURNISHED AND MAINTAINED BY THE CONTRACTOR. SUCH BOX SHALL BE EQUIPPED TO PROVIDE THE MOISTURE AND TO REGULATE THE TEMPERATURE NECESSARY TO MAINTAIN THE PROPER CURING CONDITIONS REQUIRED BY ASTM C 31. SUCH BOX SHALL BE LOCATED IN AN AREA FREE FROM VIBRATION SUCH AS PILE DRIVING AND TRAFFIC OF ALL KINDS AND SUCH THAT ALL SPECIMEN ARE SHIELDED FROM DIRECT SUNLIGHT AND/OR RADIANT HEATING SOURCES. NO CONCRETE REQUIRING INSPECTION SHALL BE DELIVERED TO THE SITE UNTIL SUCH STORAGE CURING BOX HAS BEEN PROVIDED. SPECIMENS SHALL REMAIN UNDISTURBED IN THE CURING BOX UNTIL READY FOR DELIVERY TO THE TESTING LABORATORY BUT NOT LESS THAN SIXTEEN HOURS. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING THE TEMPERATURES OF THE CURING BOX DURING THE INITIAL CURING OF TEST SPECIMENS WITH THE TEMPERATURE PRESERVED BETWEEN 60°F AND 80°F AS MEASURED BY A MAXIMUM-MINIMUM THERMOMETER. THE CONTRACTOR SHALL MAINTAIN A WRITTEN RECORD OF CURING BOX TEMPERATURES FOR EACH DAY CURING BOX CONTAINS TEST SPECIMENS. TEMPERATURE SHALL BE RECORDED A MINIMUM OF THREE TIMES A DAY WITH ONE RECORDING AT THE START OF THE WORK DAY AND ONE RECORDING AT THE END OF THE WORK DAY.

B. FIELD QUALITY CONTROL TESTS WILL BE PERFORMED BY A THIRD PARTY MATERIALS TESTING CONSULTANT APPROVED BY THE ENGINEER, PAID BY THE CONTRACTOR. HOWEVER, THE CONTRACTOR SHALL BE CHARGED FOR THE COST OF ANY ADDITIONAL TESTS AND INVESTIGATION ON WORK PERFORMED WHICH DOES NOT MEET THE SPECIFICATIONS. ANY INDIVIDUAL WHO SAMPLES AND TESTS CONCRETE TO DETERMINE IF THE CONCRETE IS BEING PRODUCED IN ACCORDANCE WITH THIS SPECIFICATION SHALL BE CERTIFIED AS A CONCRETE FIELD TESTING TECHNICIAN, GRADE I, IN ACCORDANCE WITH AC! CP-2. TESTING LABORATORY SHALL CONFORM TO REQUIREMENTS OF ASTM C-1077.

C. SLUMP TESTS SHALL BE MADE BY THE MATERIALS TESTING CONSULTANT IN ACCORDANCE WITH ASTM C 143.

D. SAMPLES OF FRESHLY MIXED CONCRETE SHALL BE TESTED FOR UNIT WEIGHT BY THE MATERIALS TESTING CONSULTANT IN ACCORDANCE WITH ASTM C 138.

E. SAMPLES OF FRESHLY MIXED CONCRETE WILL BE TESTED FOR ENTRAINED AIR CONTENT BY THE MATERIALS TESTING CONSULTANT IN ACCORDANCE WITH ASTM C 231.

F. SAMPLES OF FRESHLY MIXED CONCRETE WILL BE TAKEN BY THE MATERIALS TESTING CONSULTANT AND TESTED FOR COMPRESSIVE STRENGTH IN ACCORDANCE WITH ASTM C 172, C 31 AND C 39. IN GENERAL, ONE SAMPLING SHALL BE TAKEN FOR EACH PLACEMENT IN EXCESS OF FIVE (5) CUBIC YARDS, WITH A MINIMUM OF ONE (1) SAMPLING FOR EACH DAY OF CONCRETE PLACEMENT OPERATIONS. EACH SAMPLING SHALL CONSIST OF AT LEAST FIVE (SJ 6X12 CYLINDERS OR (8) 4X8 CYLINDERS WITH EACH CYLINDER IDENTIFIED BY A TAG, WHICH SHALL BE HOOKED OR WIRED TO THE SIDE OF THE CONTAINER.

G. COMPRESSION TESTS SHALL BE PERFORMED IN ACCORDANCE WITH ASTM C 39. FOR 6X12 CYLINDERS, TWO TEST CYLINDERS WILL BE TESTED AT SEVEN DAYS AND TWO AT 28 DAYS. FOR 4X8 CYLINDERS, THREE TEST CYLINDERS WILL BE TESTED AT SEVEN DAYS, THREE AT 28 DAYS. THE REMAINING CYLINDERS WILL BE HELD TO VERIFY TEST RESULTS, IF NEEDED. THE STRENGTH LEVEL OF CONCRETE SHALL BE CONSIDERED SATISFACTORY IF THE TESTING REQUIREMENTS OF AC! 318, CHAPTER 5.6.3 ARE MET.

C-12 CONCRETE COVER FOR REINFORCING (UNLESS NOTED OTHERWISE ON THE DRAWINGS):

A. CONCRETE DEPOSITED DIRECTLY AGAINST SOIL:

B. CONCRETE EXPOSED TO WEATHER (#5 OR SMALLER);

CONCRETE EXPOSED TO WEATHER (#6 OR LARGER):

C. SLABS:

AT SURFACES CONTACTING FLUID: D. BEAMS AND COLUMNS (TO MAIN REINFORCEMENT):

BEAMS AND COLUMNS (TO COLUMN TIES OR STIRRUPS): E. WALLS 12" OR MORE:

WALLS LESS THAN 12" (#5 OR SMALLER): WALLS LESS THAN 12" (#6 OR LARGER):

F. FOR SURFACES EXPOSED TO FLUID IN BEAMS, COLUMNS AND WALLS:

3"

11/2"

2"

11/2"

2" 2"

11/2" 2"

11/2" 2" ADD 1/2" TO ABOVE VALUES

AS-BUILT

INFLUENT PUMPING STATION Hazen PUMP REPLACEMENT CONTRACT

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DATE JAN 2017 DRAWING NUMBER

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SHEET 9 OF 27 ~ b CHIEF BUREAU OF UTILITIES DATE CHIEF UTILITY DESIGN DIVISON DATE I 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND ~~._ _____________________________________ _, __________________ ..._ _________ .;.. _________ _. _________ .__..._ ___________ ...._ ___ ......, __ .... __________ _. __________ _.._ ___________________________ .,_ ______ ~ 20170126 1: 02P 0: \32232-BAL \32232-005\Drowings\Mechonical\Sl .dwg LastSoveBy. EPROSSER

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CONCRETE (CONT.)

C-13 SPLICES SHALL BE CLASS "B" CONFORMING TO THE PROVISIONS OF AC! 318 UNLESS NOTED OTHERWISE. SPLICE LENGTH FOR TWO DIFFERENT SIZED BARS TO BE LAP SPLICED TOGETHER SHALL BE THE LENGTH OF THE LARGER BAR UNLESS NOTED OTHERWISE.

C-14 CONSTRUCTION JOINTS SHALL BE LOCATED AS SHOWN ON THE DRAWINGS. CONSTRUCTION JOINTS NOT SHOWN SHALL BE SUBMITTED BY THE CONTRACTOR FOR THE APPROVAL OF THE ENGINEER PRIOR TO SUBMITTING REBAR SHOP DRAWINGS.

C-15 ALL EXPOSED CORNERS SHALL HAVE A 3/4" CHAMFER OR A 1/2" RADIUS TOOLED CORNER.

C-16 EQUIPMENT SUPPORTS, ANCHORAGES, OPENINGS, RECESSES AND REVEALS NOT SHOWN ON THE STRUCTURAL DRAWINGS BUT REQUIRED BY OTHER CONTRACT DOCUMENTS, SHALL BE PROVIDED FOR PRIOR TO PLACING CONCRETE.

C-17 DOWELS, ANCHOR BOLTS, PIPES, WATERSTOPS AND OTHER EMBEDDED ITEMS SHALL BE HELD SECURELY IN POSITION WHILE CONCRETE JS BEING PLACED.

C-18 CONDUITS AND OTHER SIMILAR ITEMS EMBEDDED IN OR PENETRATING THROUGH CONCRETE SHALL BE SPACED ON CENTER NOT LESS THAN 3 TIMES THEIR OUTSIDE DIMENSION, BUT NOT LESS THAN 2 1/2" CLEAR. WHEN SUCH ITEMS ARE EMBEDDED IN WALLS OR SLABS, THEY SHALL NOT OCCUPY MORE THAN 1/3 OF THE MEMBER THICKNESS.

C-19 AT ALL TYPICAL CURBS, EQUIPMENT PADS, AND PIPE SUPPORT PIERS, REINFORCING DOWELS SHOWN MAY BE REPLACED WITH MATCHING DOWELS SET IN EPOXY IN DRILLED HOLES AS SPECIFIED. DOWELS LOCATED CLOSER THAN 3" FROM ANY EDGE OF CONCRETE SHALL NOT BE REPLACED WITH DRILLED DOWELS.

C-20 CLEAR DISTANCE FROM ANCHOR BOLTS TO ANY CONCRETE EDGE SHALL BE 4" MINIMUM UNLESS NOTED OTHERWISE.

C-21 CONCRETE COMPRESSIVE STRENGTH TESTS SHALL BE AVAILABLE ON THE JOB SITE FOR REVIEW BY THE ENGINEER.

C-22 WHERE FRESH CONCRETE IS TO BE PLACED AGAINST HARDENED CONCRETE AN EPOXY BONDING AGENT SHALL BE USED. EPOXY BONDING AGENT SHALL CONFORM TO ASTM C881 AND SHALL BE SIKADUR 32 HI-MOD, SIKA CORPORATION, LYNDHURST, NJ; EUCO #452 EPOXY SYSTEM, EUCLID CHEMICAL COMPANY, CLEVELAND, OH; MASTERUNJECT 1500 BY BASF MASTER BUILDER SOLUTIONS (BASF)

DEMOLITION

D-1 FOR DEMOLITION REQUIREMENTS, REFER TO SPECIFICATION 01540 - DEMOLITION.

D-2 CONCRETE DEMOLITION WITHIN STRUCTURES BEING MODIFIED SHALL BE SELECTIVE DEMOLITION BY CORE DRILLING OR SAWCUTTING AND CAREFUL REMOVAL OF CONCRETE SHOWN TO BE REMOVED. NO OVER CUTTING OF AREAS TO BE DEMOLISHED SHALL BE PERMITTED. CONTRACTOR SHALL CORE DRILL CORNERS OF OPENING PRIOR TO SAWCUTTING. EXPLOSIVES AND VIBRATORY HAMMERS SHALL NOT BE USED FOR DEMOLITION WORK.

D-3 UNLESS ANCHORING DEVICES AND/OR REINFORCEMENT IS NOTED TO REMAIN FOLLOWING DEMOLITION, REMOVE AND/OR BURN BACK ANCHORS AND REINFORCEMENT STEEL 1/2" MIN BELOW SURFACE AND VOIDS CREATED SHALL BE FILLED WITH EPOXY RESIN BINDER. SUCH AS "SIKADUR 52" BY SIKA CORPORATION, "DURALCRETE LV" BY EUCLID CHEMICAL COMPANY, OR EQUAL.

D-4 EMBEDDED CONDUIT ENCOUNTERED DURING DEMOLITION WORK LIMITS SHALL BE PERMANENTLY REROUTED AS NECESSARY. CONTRACTOR SHALL SUBMIT PROPOSED MEANS OF REROUTING ANY INTERFERING CONDUIT.

D-5 WHERE DRAWINGS INDICATE A CONCRETE EQUIPMENT PAD TO BE DEMOLISHED, THE FLOOR SLAB SURFACE SHALL BE REPAIRED AS APPROVED BY ENGINEER. FOLLOWING SELECT DEMOLITION AND REMOVAL OF THE EQUIPMENT PAD REMOVAL THE REPAIR SHALL BE: A. SAWCUT THE FLOOR AROUND THE EQUIPMENT PAD PERIMETER TO A DEPTH OF 1/4". B. SCARIFY AND REMOVE SLAB CONCRETE WITHIN THE PERIMETER TO A NOMINAL 1/4" DEPTH CLEAN AND REMOVE ALL CONCRETE

LAITANCE. C. RESURFACE THE AREA BY APPLYING A POLYMER MODIFIED OR SILICA FUME ENHANCED CEMENTITIOUS REPAIR MORTAR, APPROVED

BY THE ENGINEER, FOLLOWING THE MANUFACTURER'S SURFACE PREPARATION AND APPLICATION RECOMMENDATIONS. LEVEL AND FINISH THE SURFACE TO MATCH THE FLOOR SLAB SURROUNDING AREA.

D-6 PRIOR TO DEMOLITION OF SMALL OPENINGS (LESS THAN 6 INCHES IN SIZE) FOR PENETRATIONS, ETC., CONTRACTOR SHALL USE NON-DESTRUCTIVE MEANS TO FJELD LOCATE REINFORCEMENT. OPENINGS SHALL BE LOCATED TO AVOID CUTTING THROUGH EXISTING REINFORCEMENT, IF POSSIBLE. EXISTING REINFORCEMENT SHALL NOT BE CUT WITHOUT APPROVAL OF ENGINEER.

D-7 CONCRETE SURFACES LEFT EXPOSED FOLLOWING DEMOLITION SHALL BE SEALED WITH EPOXY RESIN COATING SUCH AS "SIKAGARD" BY SIKA CORPORATION, "DURACOTE 240" BY TAMMS INDUSTRIES, OR APPROVED EQUAL.

D-8 DETAILED CONSTRUCTION AND DEMOLITION PLAN SHALL BE SUBMITTED TO THE ENGINEER AND APPROVED BY THE ENGINEER AND OWNER PRIOR TO BEGINNING CONSTRUCTION. ANY SHUTDOWNS SHALL BE SUBMITTED TO, COORDINATED WITH, AND APPROVED BY THE OWNER. ONCE APPROVED, CONTRACTOR SHALL PROVIDE A MINIMUM OF THREE (3) WEEKS NOTICE TO OWNER PRIOR TO SHUTDOWN.

NONSTRUCTURAL COMPONENT ANCHORAGE

A-1 ALL ARCHITECTURAL, MECHANICAL, AND ELECTRICAL COMPONENTS SHALL BE DESIGNED AND INSTALLED TO RESIST THE CONTROLLING CONDITION OF OPERATIONAL FORCES OR SEISMIC FORCES IN ACCORDANCE WITH THE GOVERNING BUILDING CODE. SEISMIC FORCES SHALL ALSO BE AS PER ASCE 7. COMPONENT SEISMIC ATTACHMENTS SHALL BE BOLTED, WELDED, OR OTHERWISE POSITIVELY FASTENED WITHOUT CONSIDERATION OF FRICTIONAL RESISTANCE PRODUCED BY THE EFFECTS OF GRAVITY. A CONTINUOUS LOAD PATH OF SUFFICIENT STRENGTH AND STIFFNESS BETWEEN THE COMPONENT AND THE SUPPORTING STRUCTURE SHALL BE PROVIDED. CONNECTIONS FOR BOTH ORTHOGONAL DIRECTIONS (TRANSVERSE AND LONGITUDINAL) SHALL BE DESIGNED BY THE CONTRACTOR'S ENGINEER CURRENTLY REGISTERED IN THE STATE OF MARYLAND.

A-2 COMPONENT REACTION FORCES AT THE POINT OF ATTACHMENT TO THE STRUCTURE SHALL BE SUBMITTED TO AND COORDINATED WITH THE ENGINEER FOR CONFIRMATION SUPPORTING STRUCTURE CAN WITHSTAND REACTION FORCES.

A-3 CONTRACTOR SHALL PROVIDE SPECIAL SEISMIC CERTIFICATION (SSC) FROM MANUFACTURER OF EQUIPMENT FOR ALL SYSTEMS DEEMED NECESSARY BY SPECIFICATIONS. SPECIAL SEISMIC CERTIFICATION SHALL BE IN COMPLIANCE WITH ASCE 7.

EXISTING INFORMATION

X-1 ALL EXISTING INFORMATION SHOWN ON THESE DRAWINGS INCLUDING LOCATION, DIMENSIONS, ELEVATIONS, AND CONFIGURATIONS IS DERIVED FROM THE SAVAGE SEWAGE TREATMENT PLANT ADDITION N0.2 CONTRACT DRAWINGS BY WHITMAN, REQUARDT AND ASSOCIATES DATED JUNE 5, 1972. CONTRACTOR IS TO BE AWARE THAT ADDITIONAL MODIFICATIONS HAVE BEEN MADE TO THE PLATFORM AREA THAT ARE NOT REFLECTED IN THESE EXISTING DRAWINGS. THESE CONTRACT DOCUMENTS REPRESENT THE PLATFORM AREA TO THE EXTENTS POSSIBLE BUT ARE NOT GUARANTEED TO BE COMPLETE OR CORRECT.

X-2 THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING ALL EXISTING INFORMATION IN THE FIELD AS REQUIRED FOR DEMOLITION AND MODIF!CA TIONS.

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

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CHIEF BUREAU OF UTILITIES DATE CHIEF UTILITY DESIGN DIVISON DATE

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PROFESSIONAL CERTIFlCA TION.

I HEREBY CERTIFY THAT THESE DOCUMENTS WERE PREPARED OR APPROVED BY ME. AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STA TE OF MARYLAND, LICENSE NO. 42535, EXPIRATION DATE 07 /25/201B

,,,,,, 1DNAL '2,,,,,' 1'"111111111'' 1 I Vr11r SIGNED:

DESIGNED AGM

DRAWN SBS

CHECKED JCS

PROJ. ENGR. AA

APPROVED

AS-BUILT

STRUCTURAL INFLUENT PUMPING STATION DA1E JAN 2017

PUMP REPLACEMENT CONTRACT DRAWING NUMBER

LITTLE PATUXENT WATER RECLAMATION PLANT GENERAL STRUCTURAL NOTE CAPITAL PROJECT NUMBER S-6264 S2

SHEET 2 CONTRACT NUMBER 20-4991 SCALE AS SHOWN

NO. ISSUED FOR DATE BY I 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND SHEET 10 OF 27

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9'-5" 7,_3" 7'-3" r-4 112·~ 7'-:r' 7'-3H ------+-----_!___.:_~------t------_:__--=---------r-------'------i------~----~:- -----'----=-------:-------------------i

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BASE BID --t--

EX PLANK GRATING WALKWAY

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EX W8x31 STEADY BEARING BEAM, TYP

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X TOG 125.33± 2'-7"' 1).'-2 1/2"

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INTERMEDIATE PLAN ~ DEMOLITION 3/8" = 1'-0"

"'"c=~-•-••..,.>"•"'i:

3'-7 1/2"

GRIP STRUT STYLE GRATING PLANKS, TYP

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x STAIR LAliltiiNG EL 119.94±

~------ REMOVE GRATING PANELS, SEE NOTE 1

•------------- REMOVE EX HANDRAIL, SEE NOTE 2

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NOTES:

1. EXTENTS OFGRATING TO BE -REMOVED IS BASED ON THE LOCATIONS OF GRATING PANELS SEAMS lN THE AREA TO BE MOOlHED,CONTRACTOR TO VERiFY THE DIMENS!ONS SHOWN. FOR THE PURPOSE OF DEMOJ.JT!QN THE ENTIRE GRATING PANEL SHALL BE REM0116)AND THENMENSIONSSHOWN MODIFJED IF NECESSARY. EXiSTING PANELS SHALL NOT BE FIELD CUT TO OBTAIN THE DIMENSfONS SH.OWN·.

2. FINAL EXTENTS OF EXISTING HANDRAIL TO BE REMOVED SHALL eE· VIER!flED IN THE FIRD TO ACCOMMODATE FINAL lA YOUT OF REVISED PLATFORM AREA.

EX CS GRATING SUPPORT, REMOVE FLUSH W/EX L4 CHANNEL SUPPORT ------~

EX W8 BEAM-------~

DETAIL l 11/2" = 1'-0" SJ

~-~ EX CSTO CS CONNECTOR TO REMAIN EX FASTENERS TO REMAIN~ -"{-.. ·; ... ,r-'-EX C5x6.l TO REMAIN

REMOVE EX CS FLUSH i ! ",., .. ! i _ _/~, W/M!TER LOCATION--~ I, t, . ~ -· - s:"-

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AS-BUILT REPLACEMENT SHEET 1/2019 ~ l-----------'::""t:-:::""':'"~Z':":-=t::::'"::t:::t::::7-::='-::::--.-.:-:::t.:::;-;::::------......................... "7r----------------T-------::::::~;:;-;r-,-r"'""----------T------==7::_:.1:.:.:.:.:.:.:.:.::.::.:.:.:.:_:_:_:_:_:_r_:.:.:::.:.:::.:.i:.:.:.:...r-------:=:::::-::::: .......... ----r-------;~rr1~niuiiPiij(~si~riifit ..... ---1 .. ~~~~~~~~~~iU c;: . . .. ... . tNFLUENT PUMPING STATION DATE JAN 2017 z:: o1:PARTMENt oF Pt1BL1c woRKs . ,,,,,,0•r"i:i':i;i,!:· /;, PROFESSIONAL CERTIRCA1l0N DES/Gt<[D_~A=G=M-J...~+---------+---+-----t sTRuc ruRAt PUMP REPLACEME:N,.- coNTRAcT DRAWING NUMBER

1 oo;AROCOUNTY,MARYLAND Ha······· '7£1.n·· • ·. ~-&~JsR··~t:i\ ~:~~~~~A~OR ORAWN ___ S_BS_, LITTLE PATUXENTWAIERRftCLAMATlONPLANT ; 1/.,ti,,., ~ ~ ~ iz8-rJ • ·· · .··LA.t·•• •·· •• t t -~-, § r:r,i:~,:J~~~tM CHEC!<ED __ J~cs~. I----+----'---- DEMOLITION INTERMEDIATE CAPITAL PROJECT NUMBER s-6264

~ DATE ~\~~~•~~ ~, '""'"~"~oo".'i':r\\'._..,,,"' \$~:;,IJf/ ~~~::: "' '""·-· ········"'A__1-.-=---+------:cc-=-==~-- PLAN AND DETAILS CONTRACT Nt..JM:BER 20-4991 ~ " l~~~~~~t1~==::~:::::.....:~~~·~·· ~ ... !9':~~-;~~-;c===d=z=tl~t;:c=:JL _____ 4~1~(J..~53=9~-7~W~1------L-'_,,,~,,,::,0:,M:::t:~·:•':'''~'''_' _.J~£. ............... .._ ___ _Ll~;2:;~---11:.:L..L __ _j~~~--........ .J...1!!_..!....!;.;...jt:::::::::::::::::J::::::::::::::::::~~6~T ... H_ . .:E.:LE.:· ·.:c ... r ... 10:..N .. • ... 0~1.:s ... T_R_1c .. T _____ H .. ◊ ... w ....... A ... R_o __ c ... · ...... o .. u .. w .. r._ .• Y ..... , __ M __ . A __ ....... R ... Y .. LA_·· .... N_D_· ..._s_H .. EE_r_,1_o_r_27 ..... /3 ,;:_ CHIEF U1!LITY DESIGN Dl'v1SON DATE SIGNED: . A~PRCVEiJ

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3 AS-BUILT 1/9/19 AA

2 ADDENDUM 5/9/17 AA 1 ADDENDUM 5/9/17 AA

NC- !SSUED FOR DATE BY . J,

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?.017012€ i·02P

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PIPE PENETRATION THRU GRATING, COORDINATE LOCATION W/MECH DWGS

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NEW A. L_ PUN.CHED PLA~NK :_ / GRATING, STYLE AND ; DEPTH TO MATCH EX · j /

TOP OF NEW GRATING EL 125.56±, TO MATCH EX, LIVE LOAD TN THIS AREA NOT TO EXCEED 150 PSF ( SERVICE LEVEL)

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EX PLATFORM BEYOND -----------~

AL PUNCHED PLANK GRATING, SIZE AND S1YLE TOMATCHEX· ------~

EX WB ---------~

9•:.:5" 7'-3"

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x EX TOG 125.33±, LIVE LOAD IN THIS AREA NOT TO EXCEED 50 PSF (SERVICE LEVEL)

7'-4 1/2" 7'-3" '7'-3:" 8'0 2 1/2"

~-----·- GRIP STRUT S1YLE GRATJNG PLANKS, TYP

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INTERMEDIATE P68,N - PROPOSED . 3/8" = l'-0"

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Wl4, TYP-· _,------ L4x4x1/4", TYP

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EL 126.75 i - 3/4"0 ADH ANCHOR W /6" ~~:::.:: _______ ...,..:.~;,;;;;;::-_::s.;: ... = .... ::c .. ===:::;;;;_;;;;;::: .. ~;"· .=:::. ======= : ,.,L EMBED@ 18", TYP, SEE NOTE 1 "' 1-------- r-,lh,--{

EXWS-·~·····

' CS----~ ·--- L4 CONNECTION, SIM

TO DETAIL 5 ______ ,--cG}cC.·'---- ··• -~co,_o";\).'}v,J nc=============+:+""h

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2017J126 1·0-3P

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.. ,~ 2, 3/4"0 A325 BOLTS W/SHORT

SLOTTSD HORZ HOLES, TYP

SECTION A 3/4" = 1'-0" S4

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SECTION 11/2" ~ 1'-011

'------3/4'.'..elADHANC:.HOR W/6" EMSED TYP, SEE NOTE 2

/0,. !'}'----·· L4><4X1/4, CONNECtrON SIM ro DETAIL 4 --~

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DETAIL 1 1/2" ~ 1'-0"

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NOTES: 1 · coNtRAcrbR SHALL LOAD TEST AT LEAST 2 ANCHORS

IN TENSION To.A LOAD OF :t50□ LBS .. ENGINEER TO DETERMINE ANCoofis TO BE TESTED ONCE ALL ANCHORS HAVE BEEN INSTALLED.

1. CON'fAACTOR SHALL LOAD TEST AT LEAST l ANCHORS P!!RANCHOR GROUP!N'TENSION TO A LOAD OF 1500 LBS:· ENGINEER TO DETERMINE ANCHORS TO liE TESTED ONCE All ANCHORS HAVE BEEN INSTALLED.

3. CS DENOTES C5x6.7

4.. COORDINATE O!MENS!ONS WITH ACTUAL LOCATION Of

RELOCATED RISER.

~--- 3/4"0 BOLTS, TYP

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CS------, ~---- L4x4x1/4

cs---~ ~--3/4"0A;i25 BOLTS, TYP

A A

CS------,,,,, ..... __ L6J<4)(5/16

DETAIL 4 54

11/2" . .._. --.-· EX CS

~ CS -- Ti . // J __ 7U2"xS"xl/4"

t=====~t'.==· -0, :=TT· f_ '; .. ;:;;".i~v·,c,..{, , · ·. . SPLICE PL BEYOND c--i '-> ' '@<I'

;::;+-----==-=-~R1'~10~l l~}:1: - . N '-:.:::1· ',-;:... 4- -- .. -,- -=--=J

;::; . . ;. I J ·:-"":- :"' .. -- ': ,_,.. , .a , 1. , .. --~' ~---BOLTS@ EX CONN, CONTR TO

'' - -· ·-·- - - • .. VERIFY SJZE ANO SPAONG 3/4''0 60LT ; '

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L4-- Ll U '~--~ 'EX CONC.FILL

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SPLICE PL 1/4" ---~

L4x3)(1/2LLH ~

cs ~----------., "'· B

Sl;CTION B~S 1 1/2" ~ i'-0'

~-~---A325 BOLT, SIZE TO MATCH EX

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DETAIL 5 1 l/2" = 1 '-0" S4

AS-BUILT REPLACEMENT SHEET 1/2019

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<i . " . RETAINING' . . . . <i . ·. CLI C-CLAMP

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DUCT~

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L SS CONCRETE ANCHORS (EXPANSION SHEILDS) ~

\_ ISOLATION PAD (TYP)

,,.. v~--HANGER ROD (TYP) SIZES PER SMACNA STANDARDS

ANGLE

• HARDWARE

THREADED ROD, ANGLE, AND HARDWARE MATERIAL SHALL MATCH DUCT MATERIAL

DUCT

DUCT HANGING DETAIL NOTTO SCALE

-....... - ..... J_i/'--__JL..

DUCT PENETRATION THROUGH FLOOR NOTTO SCALE

2"x2"x1/4" ALUMINUM CHANNEL ON ALL SIDES

SECURE TO FLOOR WITH CONCRETE EXPANSION ANCHORS

CONCRETE FLOOR

DUCT SYMBOLS

SUPPLY AIR DUCT SECTION-UP

SUPPLY AIR DUCT SECTION-DOWN

RETURN AIR DUCT SECTION-UP

RETURN AIR DUCT SECTION-DOWN

EXHAUST AIR DUCT SECTION-UP

EXHAUST AIR DUCT SECTION-DOWN

MITERED ELBOW WITH TURNING VANES

e 0 0 e e

CONTROL SYMBOLS

SMOKE DETECTOR

THERMOSTAT

TEMPERATURE SENSOR

SURFACE TEMPERATURE SENSOR

TEMPERATURE AND HUMIDITY SENSOR

HAND-OFF-AUTO

FLOW SENSOR

KEY SWITCH

LIGHT SWITCH

PUSH BUTTON

AIRFLOW TEMPERATURE SENSOR

LOUVER/DAMPER

E9 MOTOR OPERATED DAMPER

§I BACKDRAFT DAMPER

§I VOLUME DAMPER

PANEL LAMP

:CZ R-RED A-AMBER G-GREEN B-BLUE W-WHITE

IBIBIBIBI COUNTDOWN TIMER

STROBE

HORN

INSTRUMENT TAP

DIAL

@ LIGHT SWITCH

C? FAN

ABBREVIATIONS AFF AI AL AO BO CFM CRAC DB DI DN DO DWG EF EL EQPT EX FA FACP FRP FS GALV H HM! HP KW L LBS LS M MBH MD MECH MTD OPD PD RF SD SF S.P. TH TYP UH VEL WSA

ABOVE FLOOR FINISH ANALOG INPUT ALUMINUM ANALOG OUTPUT BACKDRAFT DAMPER CUBIC FEET PER MINUTE CONTROL ROOM AIR CONDITIONING DRY BULB DISCRETE INPUT DOWN DISCRETE OUTPUT DRAWING EXHAUST FAN ELEVATION EQUIPMENT EXISTING FREE AREA FIRE ALARM CONTROL PANEL FIBERGLASS REINFORCED PLASTIC FLOW SENSOR GALVANIZED HEIGHT HUMAN MACHINE INTERFACE HORSEPOWER KILOWATT LENGTH POUNDS LIGHT SWITCH MOTOR THOUSAND BTU PER HOUR MOTORIZED DAMPER MECHANICAL MOUNTED OVERCURRENT PROTECTION DEVICE PRESSURE DIFFERENTIAL RECIRCULATION FAN SMOKE DAMPER SUPPLY FAN STATIC PRESSURE THERMOSTAT TYPICAL UNIT HEATER VELOCITY WIRE SIZE AMPS

GENERAL NOTES 1. THE SYMBOLS AND ABBREVIATIONS LIST ON THIS SHEET IS A COMPREHENSIVE STANDARD GUIDE

INTENDED FOR GENERAL USE ON ALL PROJECTS. THEREFORE NOT ALL THE SYMBOLS AND ABBREVIATIONS CONTAINED IN THIS LIST ARE NECESSARILY USED ON THIS PARTICULAR PROJECT AND SHOULD BE USED FOR CLARIFICATION ONLY.

2. ALL DUCT DIMENSIONS ARE CLEAR DIMENSIONS TO INSIDE OF DUCT. DIMENSIONS TO DUCTS FROM FLOOR OR WALL SHALL BE TO THE OUTSIDE OF DUCT/INSULATION. WHERE INTERNAL INSULATION IS REQUIRED THE DUCT SIZE SHALL BE INCREASED TO GIVE CLEAR INSIDE DIMENSIONS AS NOTED ON THE DRAWINGS.

3. EQUIPMENT SIZES AND LOCATIONS ARE APPROXIMATE. ACTUAL DIMENSIONS TO BE DETERMINED BY EQUIPMENT FURNISHED. COORDINATE HVAC WORK WTIH THE WORK OF ALL OTHER TRADES.

4. FINAL OPENING DIMENSIONS, CONCRETE PAD SIZES, AND LOCATIONS MUST BE COORDINATED DURING CONSTRUCTION WITH APPROVED EQUIPMENT.

5. FINAL SIZES OF FLOOR OPENINGS, DUCT PLENUMS, TRANSITIONS AND PIPING CONNECTIONS TO ALL EQUIPMENT SHALL BE DETERMINED BY EQUIPMENT FURNISHED.

6. THE DRAWINGS ARE SCHEMATIC IN NATURE AND SHOW INTENDED GENERAL LOCATION OF HVAC EQUIPMENT AND SYSTEMS. NOT ALL OFFSETS AND REQUIRED FITTINGS FOR ACTUAL FIELD INSTALLATION ARE INTENDED TO BE SHOWN FOR INSTALLATION OF SYSTEMS IN THE SPACE AVAILABLE IN CONSIDERATION OF WORK OF OTHER TRADES AND FIELD CONDITIONS. CONTRACTOR SHALL PROVIDE ADDITIONAL OFFSETS IN DUCTWORK AND PIPING AS REQUIRED TO AVOID SUCH INTERFERENCES OR FIELD CONDITIONS AT NO ADDITIONAL COST TO THE ORIGINAL CONTRACT AMOUNT.

7. FIRST FIGURE OF DUCT SIZE INDICATES DIMENSION OF FACE SHOWN OR INDICATED OR WIDTH OF DUCT IN PLAN VIEW.

8. COORDINATE THE REQUIREMENTS FOR HVAC OPENINGS AND SLEEVES IN BUILDING ELEMENTS WITH THE GC.

9. REFER TO ELECTRICAL DRAWINGS OR SPECIFICATIONS FOR INTERLOCKING WIRING REQUIREMENTS.

10. CONTRACTOR SHALL COORDINATE DUCTWORK INSTALLATION. WITH OTHER TRADES SO THAT THE DUCTWORK IS INSTALLED BEFORE THE PIPING, LIGHTING AND ELECTRICAL CONDUIT.

11. PROVIDE ADEQUATE SUPPORT, PER THE MANUFACTURER'S RECOMMENDATIONS, FOR ALL HVAC EQUIPMENT.

12. CONTRACTOR SHALL BE RESPONSIBLE FOR CHECKING ELECTRICAL RATINGS FROM CERTIFIED DRAWINGS OF EQUIPMENT AND SHALL MAKE ANY BRANCH CIRCUIT DISTRIBUTION MODIFICATION REQUIREMENTS WITHOUT ANY ADDITIONAL COST TO OWNER. THE CONTRACTOR SHALL SUBMIT A SCHEDULE OF SUCH CHANGES FOR APPROVAL BY ENGINEER.

13. WHEREVER THE REQUIREMENTS AND REGULATIONS OF STATE, FEDERAL AND LOCAL AUTHORITIES HAVING JURISDICTION DIFFER FROM THE DRAWINGS OR SPECIFICATIONS, THEY SHALL TAKE PRECEDENCE AND SHALL BE MADE PART OF THE CONTRACT (EXCEPT WHERE THE DRAWINGS OR SPECIFICATIONS ARE MORE STRINGENT).

14. DUCTWORK AND PLENUM TO LOUVERS SHALL BE CONNECTED TO FRAMED OPENINGS AND, SEALED AIRTIGHT AND WEATHER RESISTANT.

15. THERMOSTATS, SENSORS, AND/OR CONTROL PANEL LOCATIONS SHOWN ARE APPROXIMATE AND SHALL BE COORDINATED TO SUIT FIELD CONDITIONS.

16. INSTALL WALL MTD SENSORS, CONTROLS AND THERMOSTATS 4'-0" AFF UNLESS OTHERWISE NOTED. ALIGN WITH OTHER NEARBY ITEMS SUCH AS LIGHT SWITCHES. DO NOT INSTALL CLOSER THAN 6-INCHES FROM EDGE OF DOOR FRAME OR CORNER OF WALL AS SHOWN ON ARCH PLANS. WHERE CONFLICTS MAY OCCUR WITH ITEMS SUCH AS LIGHT SWITCHES, MOUNT THE SENSOR OR CONTROL DEVICE 4'-6" AFF CENTERED ABOVE THE LIGHT SWITCH.

17. PROVIDE ADEQUATE MEANS OF ACCESS CLEARANCE FOR ALL HVAC/MECHANICAL EQUIPMENT AND SYSTEMS THAT REQUIRE ACCESS FOR PROPER OPERATION, MAINTENANCE AND REPAIR PER RECOMMENDED MANUFACTURER CLEARANCES. PROVIDE ACCESS DOORS WHERE NECESSARY IN FINISHED WALLS OR DRYWALL CEILINGS FOR ACCESS TO VALVES, DAMPERS, OR CONTROL DEVICES.

18. COORDINATE THE REQUIREMENTS OF HVAC HANGERS AND SUPPORTS W/ OTHER PRIME CONTRACTORS PROVIDING STRUCTURAL AND/OR ARCHITECTURAL BUILDING ELEMENTS WHICH HVAC SUPPORTS SHALL INTERFACE.

19. HVAC CONTRACTOR SHALL PROVIDE ALL FIRESTOPPING AND PIPE SLEEVES FOR ALL PIPE AND DUCT PENETRATIONS THRU FIRE RATED BUILDING ASSEMBLIES.

20. CONTRACTOR SHALL OBTAIN AND PAY ALL FEES RELATED TO PERMITTING, AND INSPECTIONS.

21. FOR ADDITIONAL REQUIREMENTS REFER TO SPECIFICATIONS.

AS-BUILT co t-------------=""'.""==------=---==----------==-------------,------------------,-----------.------------r--------,r---r------------.----"T"--"'T----------------------,r------------=----------=-------------==m;;~----r--------t r DEPARTMENT OF PUBLIC WORKS HVAC INFLUENT PUMPING STATION~ J, HOWARD COUNTY. MARYLAND Hazen PUMP REPLACEMENT CONTRACT : tl.z: J./-;/h LITTLE PATUXENTWATER RECLAMATION PLANT ~ DIREC ~R ~q~RKS ,-...__...-- DAJE ~tf[«t~ d::_7 - GENERAL NOTES, CAPITAL PROJECT NUMBER S-6264

~ ~ £~? _c Ge~"~cc~~UUlllll•'11 ~ :z\lc.\\7 1S0UTHSTREE~~~~~51~:~::F-~~MORE,MD21202 l---+--------+----+---1ABBREVIATIONS, AND DETAILS CONTRACT NUMBER 20-4991 ~ if: CHIEF BUREAU OF UTILITIES DAJE CHIEF UTILITY DESIGN Dl\1SON DAJE I 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND ~~._ _____________________________________ _. __________________ .... ____________________________ ......... _ .... ________________________________ _. ____________ .... __________________________________ ~

\\\\ II II fl 1111 PROFESSIONAL CERTIFICATION. DESIGNED AJC ,,,,, aF MA/r)?,.,. ,,~~ ········ z ,,, ' •• R •• -"f , I HEREBY CERTIFY lHAT lHESE MJB f~.--·~~ Airs·· •• ~~ DOCUMENTS WERE PREPARED OR DRAWN ~VJ.:~ /_..-"\c::>-:. APPROVED BY ME, AND lHAT I AM - . . - NB = !./ : = A DULY LICENSED PROFESSIONAL CHECKED =-o· . 0:::- ENGINEER UNDER lHE LAWS OF

%~\ ,p(:42535~'0 ./ t::Ji· lHE STAJE OF MARYLAND, PROJ. ENGR. AA -:. :1<" ••• GiSTt.~ ••• ~ .:- . LICENSE ND. 42535, ,~·· •"'R,' EXPIRATION DAJE 07/25/2018 ,,s~········•~, ... ,,,,,, 70NAL '2,,,,,' .

1111111111,,,,, ,,~,.+ SIGNED: APPROVED NO. ISSUED FOR DATE BY

DATE JAN 2017 DRAWING NUMBER

H1

SCALE AS SHOWN

SHEET 13 OF 27

20170126 1c 04P Oc \32232-BAL \32232-005\0cow;cgs \HVAC\H1 .dwg Las\SowBy EPROSSER

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FAN SCHEDULE ..

MOTOR FAN No. LOCATION AREA SttRVED MANUFACTURER MODEL NO. FAN TYPE DRIVE TYPE CFM SP {IN WG} FAN RPM

HP BHP RPM ELEC.

1·835°ME ROOF PUMP ROOM LOREN COOK 28CVR·S MIXED FLOW BELT 8,800 2.25 1101 10 7.71 1725 460/3/60

1·821°F ROOF MCCROOM LOREN COOK 180ACRl/B UPBLAST BELT 3;950 0.25 1109 1 0,85 1725 460/3/60

1-822"F ROOF MGCROOM LOREN COOK 180ACRl/B UPBLAST BELT 3,950 0.25 1109 1 0.$5 1725 460/3/60 ...... .. .

NOTES: 1. FURNISHWITH BIRDSCREEN. 2. PROVIDE W!RI:' MESH SCREEN OVER INLET. 3. ALUMINUM CONSTRUCTION. 4. PROVIDE BACKDAAFT DAMPER. 5. FAN WEIGHT CAN NOT EXCEi;D 3-0 LBS PER SQUARE FOOT. 6. ROOF CURB ADAPTER WITH DAMPER TRAY.

. .

ELECTRIC UNIT HEATER SCHEDULE . .

UNIT HEATER AIRFLOW MOTOR POWER SUPPLY CAPACITY UNIT NO, LOCATION ARl:'ASERVED MANUFACTURER MODEL NO.

(CFM) FlA

VOL TS/PHASE/HZ (KW) REMARKS

TYPE HP

1·810-ME PUMP STATION PUMP ROOM fNDEECO 234-Ul 1A-0390U ELECTRIC 2,400 48 1/4 460/3/60 38.4 1~3,4;5;6

PUMF"STATION ' 1-811-ME PUMP ROOM !NDEEC6 234°U11A-0390U ELECTRIC 2,400 48 1/4 I 460/3/60 38.4 1;3~4:,5,6

1·812-ME PUMP STATION PUMPROOM INDEECO 234•li11A-0390U ELECTRIC 2,400 48 1/4 460/3/60 38.4 1, 3,.4, 6

l-813-ME MCCROOM MCCROOM INDEECO 234-UllL-015-0U ELECTRIC 2,400 20 1/4 460/3/60 15 2, 3,4, 6 .

1-814°ME MCCROOM MCCROOM INDEECO 234°UllL-0150U . . . ELECTRIC 2,400 20 1/4 460/3/60 15 2,_3,4,6

NOTES: 1. MOUNT 10' A:F.F. 2. MOUNT 8' A.f.F. 3. FURNISH WlTli WALL MOUNTING BRACKET. 4. CORROSION RESISTANT CONSTRUCTION. 5. UNIT MUST 8E PLACED WITHIN IO FT OF SUPPLY AIR DUCT. 6. WASHDOWN/CORROSION RESISTANT WALL MOUNTED THERMOSTAT (40°F - 100°f RANGE) WITH ADJUSTABLE DIAL.

.,..,,.., @ A ~

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A FROM HVACNCP4-------,

L m m m m m m :® :® :® @ .

FROM. EACH' MCC* ~----- -~··) A SUPPLY FAN EXHAUST FAN EXHAUST FAN . SUPPLY EXHAUST EXHAUST SUPPLY FAN EXHAUST FAN EXHAUST FAN

R 1-835-ME l·S21-F 1-S22•F FAN FAN FAN 1-835-ME 1-821-F l-822-F ALARM FROM FLOW SWITCHES (3} - - ➔ LOW LOW LOW 1•835-ME 1-821-F 1°822-F SMOKE SMOKE SMOKE SI~ENCE M

AlRFtOW AIRFLOW AIRFLOW ... FAULT FAULT FAULT DETECTOR DETECTOR DETECTOR s . _N;ARM ALARM ALARM.

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!REA.DYi ~- IREAPYI MuM IR~ADYI !RUNI DETECTOR

RESET

TO EACH MCC** <-----•--- © TO GO/NO GO PANELS<:'- --- ---

ON G)oFF G)oFF 0◊FF TO HORNS AND STR08ES( ~ ··· - - ON ON SMOKE BYPASS

SUPPLY FAN I r XHAUSf FA1 XHAUSTFAN 1-835·ME l-821-F 1-822·F

HVACVENTILATION CONTROL PANEL HVAC-VCP·l N ·:: I

I . .

* - MULTIPLE SIGNALS FROM MCC INCLUDING FAN READY, RUN AND FAULT. ' ** - RUWCOMMANDTO MCC. SEE 15950 FOR CONTROLS. L PLACE A RED WARNING SIGN C◊NSPiCUOUSLY

ON THE FACE OF EACH HVAC CONTROL PANEL GENERAL ALARM AND GENERAL SMOKE ALARM SHALL ALSO SE SENT TO FAN MCC. SEE ELECTRICAL DAAWINGS FOR DETAILS. WHICH READS AS FOLLOWS:

..

MCC AND PUMP ROOM WARNING

THIS PANEL CONNECTED TO

VENTILATION CONTROL PANEL MULTIPLE SOURCES OF POWER

NO SCALE

. .. :

DEPARTMENT OF PUBLIC WORKS \\\\lllllfl.11, 2/7..1 /t3 ,,,,,, c)I' MA,?j;'1,, PROFESSIONAL ·CERTIFICATION. DES!GNED AJC

HOWARD COUNTY, MARYLAND Hazen ~~~ ·••••••• z ,, ' •• •• "1. , I HEREar CERllFY ll!AT llitSE ~,cf "'<SR A.r's"· .• '1,~ MJ$

q e__, "/ &-- 3/7/c, ' .. . ' ..

~V) --♦~ ~-- c,-:. DOCUMENTS YIERE· PRE!'AREO OR DRA-WN

~@::l~,,,(>u~ Z~Hi . . ..

" ... APPROVED SY M<,. Ali91f!AJ I A!J .. . = : .\ :

~ _' ,_:_:_· _-·:: . . - . . - A P\ltY UCENSW PROfESSIONAL CHECKED NB = • -~~ /iR:i:Z~ WORKS

= --0 • • 0::: = ENGINEER UNDER 1HE lAWS Of DATE CT~ tNrt.RING DATE ~~\ ,pG42535S<) / t_:jj 111E STATE OF ~ARRAND. AA

HAZEN AND SAWYER ?ROJ. ENCR. 3 ~~·-. G1srt.~.--·- ~$ UCl;NSE NO,~.

1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 2!202 EXPIRATION OATE 07/25/2018 2 ~-2~-,, '- ,, ~ ~ ,__ Z12'51~ ~, s .. st••u••··t~~ ,~ 410-539'-7681 ,,,,, 10NAL ,,,,,, 1

CHIEF BUREAU OF UllUllES DATE CHIEF UTILITY DESIGN DIVISON DATE 11111111u,,,, SIGNED: APPF::)vED NO.

20170125 l: 10P C. \ACAC\:4CAIJ-T£MP\AcPutitish_11632\H2.dwg lostScveBy;B:-PROSSER

. ... . . . .

.

MCC ROOM PUMPROOM· '[@] !Qol --'

REMARKS ' s

10-@ f's -~ IS Q]

1-6

1<6 ' 8800 ti"M I f I. I-MPS-1513-FAN • 1-6 - <..;

1•835-ME [@] ~ '

FS SD -@) [!; 21 [@)--IDJJ

I I-MPS-1523 I \ • I -[bf] f 3950 CFM

1-821-F .... '-' -:i::

~ ~ (@ ~ 0~11~810-MEI n ' ' FS SD -@) { < n

~Q] 'U

' ... I-MPS-1533 I

0 -1t-8{1-ME I I \ .. I

I 3950 CFM

1-&22-f= .... -0 0

0-11-s12-ME I f-s13~MEI

' !1"814CMJ;I

. . . .

GO/NO . . QI'\ ~-..:-·-· I lr.~~NO_

VENTILATION SYSTEM CONTROL DIAGRAM

NO SCALE

© :® SPACE ts SPACE IS SAFE TO NOT SAFE ENTER TQENTER

(LOCATED OUTSIDE BUILDING) EXHAUST FAN OR SUPPLY FAN --~ ' I

GO/NO GO PANEL NO SCALE

BACK DRAFT DAMPER

'"\. PROVIOE CURB A0APt0R -·~

"' -~ ' EXIS'rli\lG ROOF CURB ~

ROOFING SYSTEM 4,~~Ai ~\. ' '

' "',""' .

ROOF SLAB . . . ,.._,;{', .

-~ <P' ;· 4 ,./: . I . ~

----- c-------7 COLLAR --FRAMED 1/2·INCH TYPE 316 S,S. FOR ALUMrNUM FANS

NOTE: PROTECT ROOFING SYSTEM WHiLE PERFORMING WORK.

TYPICAL ROOF MOUNTED FAN DETAIL NO SCALE

AS-BUILT REPLACEMENT SHEET 1/2019 . .: . ... .·

. INFLUENT PUMPING S"f A110N .

DATE JAN 2017 HVAC -.--~· PUMP REPLACEMENT CONTRACT DRAWiNG NUMBD

--~-~-., .. _ LITTLE PATUXENT WATE.R•RECLAMATION·PLANT H2 CAPITAL PROJECT NUMBER S~6264 .. , .. ,_

• AS-BUILT 1/9/19 AA SCHEDULES AND <DETAILS -···--- CONTRACT NUMBER. 20,,,4991 ADDENDUM 5/9/17 AA SCALE A$ _$H.0\~;H ----ADDENDUM 5/9/17 AA

iSSUFD fOR CATt· 8Y I 6TH ELECTION DISTRICT HOWARD COUNTY, ·MARYLAND SHEET 14 OF 27 . .

Page 15: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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m CL

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REMOVE EXISTING ~-DUCTWORK (NOTE 2) I . - -·- ..... ,.. ,~---~---

-~-~-~---~·~-~~--, -~--~-- --~~-~--------J '-•-• --, ~< ,-r,r""'"-•--u~~'-'•··---~~-•- --- •

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EX ELECTRICAL EQUIPMENT, TYP ~ ( ~-

' --,--~--'

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

- ~r. -•-••'j

1 ' ' j ,~, ---~~w•v -

PUMP ROOM DEMOLITION PLAN

L ___________ _

1/411 = 1 ·-0"

' '

REMOVE EX DUCTWORK AND APPURTENANCES TO THE LIMITS SHOWN

PROVIDE CAP AT END OF DUCT TO REMAIN.

MCC ROOM DEMOLITION PLAN 1/4" = 1'-0"

~ ~/;/, CH@?ur~E,G%k/4 ~W7 DATE

Hazen HAZEN AND SAWYER

I . - - -- . -

,~ REMOVE EX UNIT ~ HEATER, TYP OF 2

\ EX VALVE FLOOR \ BOX, TYP OF 6

~1

\\\ \II II Ill lt1 ,,,,, Of MAtrJ;',,

,,~~ ········ z ,,, ' •• R •• "'/. , $~ •.. <[",;. A,t-s•·• '-1,,;,~ ~VJ ... ~ /_,,,.\ c,-:. ~ . . , ... . . -= . ..:. . = - -::. • : A:::: l~\ -,,,/253ss"' / If}§ ,:,.;;('• •• CJSTt-~ .-•~.:,

1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 ,('i•• --~ ... ,,s&·········~, ...

:'"' ··•·· - ----

--·"""'·""' ~-~ ..

---· ""'" ,, __

if

PROFESSIONAL CERTiflCA TION.

I HEREBY CERTIFY THAT THESE DOCUMENTS IIERE PREPARED OR APPROVED BY ME, ANO THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND, LICENSE NO. 42535 , EXPIRATION DATE 07/25/2018

i ! Ii '.

' ' -

DESIGNED AJC

DRAWN MJB

CHECKED NB

PROJ. ENGR. AA

REMOVE EX SUPPLY FAN SEE NOTE 1

I -,-

ii ,,

-.- .··, . '···,. -- . 7

,,

r ( \ \

NOTES:

L PROTECT EXISTING ROOF SYSTEM. ROOF CURB AND FLASHING TO REMAIN. 2. REFER TO SECTION A ON DRAWING Ml FOR ADDITIONAL DEMOLITION INFORMATION FOR DUCTWORK.

REMOVE EX EXHAUST FANS, TYP OF 3 SEE NOTE 1

' _ _,, ; \,,_, ..,,,/

\__ EX UNUSED PROCESS AIR INTAKES, TYP OF 7

' .. ' '

~ EX SKYLIGHTS, /__ TYP OF 3

~··· ·-- ·--·--1

n '

l! -­, , '

ROOF LEVEL DEMOLITION PLAN 1/4" = 1'-0"

INFLUENT PUMPING STATION HVAC

DEMOLITION PLANS

AS-BUILT

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991

DATE JAN 2017 DRAWING NUMBER

H3

SCALE AS SHOWN c..c-, law ...... , c;. ~--- z\\c,\\7 CHIEF BUREAU OF UTILITIES DATE CHIEF UTILITY DESIGN OIVJSON DATE

1 ~ 410-539-7681 '.:;' t:a 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND ~~~---------------------------------------------~---------------------~~-----------~~~---------~~~~~-----~~~~----~~~~~----~-~~~~-~-~------------~-------------~------~--~------------~~~~~~~~~~~--------J

,,,,,, 70NAL '2,,,,,' 111,,.111"'''' tl1.:;.J,1- SIGNED: APPROVED NO. ISSUED FOR DATE BY SHEET 15 OF 27

20170126 11 04P 0, \32232-BAL \32232-005\Dcow;ngs \HVAC\H3,dwg lastSaveBy, EPROSSER

Page 16: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

ci . n_. '·-

ch °'-

1-811 • ME THt:RMOSTAT, SEE NOTE ~ THIS DWG

A

L PROPOSED UNIT !iEATER 1-811 •MS, SEE NOTE 3 THIS j DWG I

-!.:

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T

!JJ ... ·.·.· .. •{f 1 !

/l! . . .

' j ' L

JO"x:;lQ" DUCT DOWN TO W!:R.E MESH SCREEN 2' AFF, S12E NOTE 11

~--- PROPOSED UNIT HEATER l-812°ME, SEE NOTE 3 THIS DWG

i ' . '

. . -· -·-.··I ---r'-' ·. ·. _,, ~

' _,,.-:x~:•·.,_ f /, 1·-, 1.

-t~- f: 17 .:~~+,i:

' '

PUMP ROOM PROPOSED PLAN 1/4" ~ 1•-0·

EX ELECTRICALEQ!J!P~=~~~~ ~ "c,-1 ,o 1> ,, '\ __ EX VAi.VE FLOOR t. ', ... : .. ,;I, .. ,,, '-----· -~· ·~-~-·------•---,-,.;~ , r~~:LNt;~~~~r::~G BOX, TYP OF'6

GO/NO GO q -, ; , -- . - , .. l-.. ----·--_·•-_--.,,.·,· ~~- ·--·---·--·-·--·-· ___ ........... •-·--·-"-··-·---·-----·--"-··-"---- . --·-----··-------· .. -

PANEL __ / j 'ccc:.. ,,,,,,,:,:, ;,;cc1::1. .i';c :cc.~cc.t., "'' ~:c.:. c, ,,:::, .. ,:: .. ,,.,,c,,., .. ,:...,:_:__....::.· _;: ... :,_ .. :,c.ccic,c;;;oci,cc.ic.S,:-c .. ,C:C,. c;s,cc:.: ;,;,,. :: .. .::.:;.: .. ;;:.;.;.it.:::,. , .--- .... , .... ,_ , _ --·· , .. , :1;;,;cc ,:I,' ,.,.,;,:,,•c;,:/::c.::;_,::1:.c::..,_:_,.,:·:::·.::·. -.::· ·,·c; ·-... :::: .. =:-........ : ... : . .,; ,. ..... : .... ,:. __ , .. ,_ :-:. ;;--: .. :--

\ ' \, ~

\

\

EX PROCESS AIR FILTERING SYSTEM

--+--+--- VEJ\(TtLATICJN CONTROL HVAC-VCP0 1

,~--1-8l3°METHERMOSTAT SEENOTE4

,,.,-.-----

/ ' ---·-··--·

18"x24" SUPPLY DUCT FROM MCC ROOM

. I

\'::;:~L.--·-'Z_ '"'"" '"' WALL·

' : 1 :

• !

SECTION A NOT TO SCAl.E H4

,--- PROPOSED SUPPLY fANb835--ME

r- SEAL OPENrNG, SE!: NOTE , 1 THIS DWG •

\ •. \~ CONTRACTOR SHA!.-L MOUNT FANS

ON EXISTING ROOF CURBS WITH ROOF C\JREI ADAITERS, TYP

NOTE:S: 1. PROVIDE INSULATED CURJiiCOVER, APPROXIMATELY 55"><.55", f'lElD

VERfFY. CURB COVERSHAlt SUPPORT 50 PSI.MINIMUM, EXPOSED METALS SHALLBE118GASTEELMINIM!JJV111NiTH PLYWOOD SUBSTRATE, MiNIMUM 3/4". INSTALL IN ACCORDANCE WITH MANUFACTURER'S REQUIREMENTS. PROVIDE .CQVER BY PATE ROOF PRODUCTS INC, ROOF CURB SYSTEMS OR EQUAL,

2. Fill 12" CMU WALL OPENif;K; (j(,;PPR0XIMA1'ELY 24"x24") WiTH MATERIAL TO MATCH EXISTING. MATCH WIDTH AND AUGN MORTAR JOINTS·. USE TYPE N M~TAR. .

3. UNIT HEATERS !NTHE LOWER LEVE!.. (F81Q .. ME, 1-Sll·ME, 1-812,ME) SHAU,. BE MOUNTED 10 FEET AF'F. UNJTHEA'!'ERSIN THE UPPER 1..EVEL (1·61:l•ME, 1-814'ME} SHALL .BE MOUNTED 8 FEET A.FF.

4. THERMOSTATS SHALL BE MOUNTB.l 4 F!;!TT AFf,

5. THERMOSTATS FOR l•BlO'ME AND 1-81FME SHALL BE LOCATED WITHIN 4 FEETHORIZQNTALLY OFTHEIRRESPECT!VEUNITHEATERS.

6. i>ROV!DE FlOW SWITCHES AT EXHAUST FAN OIJCTS. ATTACH 4 FT OF INTAKE DUCT TO FAN WITH VOLUME DAMPER.

7. PROVIDE SMOKE DETECTORS AT EXHAUSTFAN DUCTS.

8, REFE:RTO DWG H2 FOR VENTIIJ\TIOI\I, INSTRUMENTATION., AND CONTROL PAN!,'l QETAU;S ..

9. MCCAND PUMP ROOM WILL BE UNCLASSIFIED PER NFPA 820 WITH CONTINUOUS VENTILATION AT 6 AJR CHANGES PER HOUR .

10. ALL VENTILATION WORK TO S12 fNCLUpED IN BASE. BID.

11. TRANS!TION EXI$TING 24"X18'' DOCTTO NEW 30"X30" DUCT BELOW CEIUNG OR PUMP ROOM.

12 .. NEW 24'XlS' SUPPLY DUCTWORK IN MCC ROOM SHALL REPLACE EXISTING 24'><18' DUCTWORK. .. NEW DUCT AU:(lNMENT SHALL MATCH EXIS'f!NG QUCTWORK. CO!f(RACTQR SHALL COORDINATE NEW D UCTWORKJI\ISTA~t.ATIQN TO A\/0$0 INTERF!:RENCE · WlTH EXISTING CRANE OPERATION,

\

--· PROPOSED EXHAUST FAN l-822-F, SEE'. NOTES 6 AND 7 THIS DWG

/~···_-:,,\ ' ~-·, --~ / ··, ... ,\"'

\ .

-, -PRoPQSEDl:XHAUSTFAN 1-821-F, 1 SEE NOTES 6AND 7 TH.IS DWG . ' ' . . ' ' ' . .

"~· -- EX UNUSED PROCESS AIR INTAKES; TYP OF 7

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I

!' t ~- < .-.. ·•~ ----• , , · --·'·" >< -,.,~,--. · .,.. '""'"•w·,.n · - . ---· "....,,,_,=- .e,.·.., ,- - ""--' "' --------•~_...., .. ,.___~-.--➔-:,,,.-"""""'""""""····~-c«-,...;,.;.;=,•·~-",~•~'-.-"~-<•;,...,-,,.__~.,~~"~=~-•c"·••-•·•~,,.;~~••.,• r .. j'+ ~' ~'. •• ~ •::_ _: _/4 __ ,:: __ "'.• __ __:· >.:._: -~-- :_.:.-'• -~- • _:'.:. ,:..-~•- ~-"' ,,-,.,.:,•~-~., ,":_- . ~--- ••- _ • .. "' ~" , ~,, ,' 0'" • • • "~-•~::-~~.-,.~':".":'.' .'.:_':'•-~-• ~_'.: ~--<-- __ ~_) __ :_t,-.,..,'~:_ ~- ___:__ • -~~-~ _:_:__ •-~-- ' ' · "'-•- •'• · -~• ·'·•'·-•~~-• n,- · • '"~~~~~~"-~-~••=~--•~"""""-'"'~'_.,"[ . .,,,_,~.~ef'-•c•)<}~,,cs,,,m•>•aw,,•">">"~"-'-'""'"'"''"*"'""'~-""-''"~=,~-""~ai•',•i,i"<-S,-...1, •·% . ; , ' ' l --- -- ---- --- -- - ---- ---- ---- ---- - -- ---- ---· --- ---- .. ~- --· -~ -- -- ..... ~ ... , , ....... , .................... , ................ ··-"· .•• <' . 1-

r·~-~, "";,-~_,.,. ~- ;,.._..,...,~"'"---·"""'·-~----"-~~..;,~ ... ~"->--i -~-"- '"'"'--~~"''·'""°"·''~,;",="' ...... ,.=-~ _,, ___ ·-""'~"'-·--··~•.s. •· .,,,.~~---.... -1

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PROVIDE CAP TO SEAL EXISTING DUCT CONNECTION

MCC ROOM PROPOSED PLAN 1/4" ; 1·-0•

'

ROOF LEVEL PROPOSED PLAN

AS-BUILT REPLACEMENT SHEET 1/2019 I ..,.. ____ ..,_..,_...,....,....,_. ________________ ...., _________________ ._.,. ............... _. .......... ..,.. ........ ...., ______ --....,,----------------------.... ---------------------------.... --........ ----------------------------------------------------... --------f

§t DEPARTMENT OF PUBLIC WORKS ~ t HOWARD COUNTY, MARYLAND o-"

:! ~ L_, :t . ~- 3 /2/J,; c-,-· ~ I I • 2~".,j • •V _,.,, CTOR o..0.· 0-('--l.

"' DAJE

~-~-If OAJE

CHIEF BUREAU OF ENGEE.-t,ING

~-'-· CHIEF UTILITY DESIGN OI\IISON

DAlE

DATE

H ····.·····.··· ..•.... · .• ·.·.· ..•. ····.·.· .. ····.·.······•····.·· aze ... ···11···· . ' '' •,, : . ,·,:· ' -. .., ,. :

' ' . . " .

I·· . I· , II . .• ·••· '

HAZEN AND SAWYER 1 SOUTH STREET; SUITE 1150; 8Al TIMORE, MD 21202

410-539'7681

PROfESSIOOAl · CER TIF!CATIO,t

I HEREl!Y CER1lfY lHAT lHESt DOC\JMENTS, WERl' .PREPARED Olk APPROVIID iJY ME. AND iHM I AM A DULY UCENSEIJ PROFESSIONAL :~,if n:ONJ~,Jl't\:o~' Of LICENSE. N!),~, EXPIRATION DA 1E 07/25/2018

DESiGNEJ~. ~~AJ~C=· ~J-~-J-----------+----11-----J DRA\11'!'T~. __ __._M,,._J:ccB~. 1, -------·· --~·

CHEC.~EJ·~~__,_N,.,8e,1 .... 1 i----.i--------------.i-----;----'I

PROS. E'K-R __ ~A~A~ ,__3_+---~~A_S·B.UlL T 2 ADDENDUM 1 ADDENDUM

1/9/1'3.__. 5/9/17 5/9/17

AA AA AA

S!GNW: APPROVE[) ____ ....., __ .....,_....., _______ ....., _______________ ...,_.....,__,.....,....., __________ .....,_ ..... ________ ,.......,....., .......................... ... _._N(), i$$0EO FQf, 0/\TE BY

INFLUENT PtJMPING STATION HVAC

PROPOSED PLANS

INFLUENT PUMPING STATION . ' ' .

PUMP REPLACEM'ENT CONTRACT LITTLE PATUXENT WATER RECLAMATION PLANT

CAPITAL PROJECT NUMBER $~6264 CONTRACT NUMBER 20-4991

6TH ELECTION DISTRICT HOWARD COUNTY MARYLAND . - . . . . . - - . - . l

DA TE JAN 2017 DRP. W!NG. NUMGER

H4

SHEET 16 OF 27

Page 17: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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LIGHTING: ELEMENTARY CONTROL SCHEMATICS SINGLE-LINE DIAGRAMS SINGLE -LINE DIAGRAMS. CONTD.

D 6i ¢#

XXX XXX

Vu V/1 XXX (8#

XXX

~# X

oQ @ @)#

~

X DENOTES FIXTURE TYPE (TYP.) SEE SPECIFICATION 16500 FOR FIXTURE SCHEDULE

# DENOTES CIRCUIT NUMBER (TYP.)

RECTANGULAR FIXTURE

CEILING-MOUN TED FIXTURE

WALL -MOUNTED FIXTURE

EMERGENCY WALL -MOUNTED FIXTURE: LEFT: STANDARD/RIGHT: REMOTE-HEAD

CEILING-MOUNTED EXIT SIGN: SHADED PORTION DENOTES SIGN FACE

WALL -MOUNTED EXIT SIGN: SHADED PORTION DENOTES SIGN FACE

POLE -MOUNTED FIXTURE

PHOTOCELL

CEILING MOUNTED OCCUPANCY SENSOR: NUMBER DENOTES TYPE

WALL MOUNTED OCCUPANCY SENSOR: NUMBER DENOTES TYPE

RECEPTACLES: X DENOTES RECEPTACLE TYPE (TYP.):

GFCI DENOTES GROUND FAULT CIRCUIT INTERRUPT UPS DENOTES UNINTERRUPTIBLE POWER SUPPLY WPCR DENOTES WEATHERPROOF CORROSION RESISTANT

# DENOTES CIRCUIT NUMBER (TYP.)

DUPLEX RECEPTACLE

SIMPLEX RECEPTACLE

QUADRUPLEX RECEPTACLE

MULTI-OUTLET RECEPTACLE SIMPLEX

MULTI-OUTLET RECEPTACLE DUPLEX

240 VOLT RECEPTACLE

X (!)# SPECIAL PURPOSE OUTLET

PANELS AND BOXES

I JB I JUNCTION BOX

~ PULL BOX

I CP I CONTROL PANEL

HVAC AND FIRE ALARM

® CD ®

FIRE ALARM CONTROL PANEL

FIRE ALARM ANNUNCIATOR PANEL

FIRE ALARM PULL STATION

FIRE ALARM INDICATOR: X DENOTES ALERT TYPE (TYP.):

A DENOTES AUDIBLE V DENOTES VISIBLE (# DENOTES STROBE INTENSITY)

FIRE ALARM INDICATOR MOUNTED ABOVE A FIRE ALARM PULL STATION

DUCT DETECTOR

SMOKE DETECTOR: X DENOTES TYPE:

Z DENOTES IONIZATION P DENOTES PHOTOELECTRIC T DENOTES THERMAL

HEAT DETECTOR

THERMOSTAT

AMBIENT TEMPERATURE TRANSMITTER

EQUIPMENT /DEVICE LOCATION SYMBOLS

* * 6

LOCATED IN MCC

LOCATED IN STAND-ALONE MOTOR STARTER/CONTROLLER

LOCATED IN FIELD

LOCATED AT PANEL: X DENOTES PANEL ID:

L DENOTES LOCAL CONTROL STATION

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

H O A XOO

OOX 0

~ STOP o o a I o

E-STOP cCD,

3-POSITION SELECTOR SWITCH: HOA DENOTES HAND/OFF/AUTO LOR DENOTES LOCAL/OFF/REMOTE FOR DENOTES FORWARD/OFF/REVERSE

PUSHBUTTON SWITCHES: LEFT: N.0./RIGHT: N.C. TEXT DENOTES LEGEND PLATE

MUSHROOM HEAD EMERGENCY STOP PUSHBUTTON SWITCH N.C. MAINTAINED:

TEXT DENOTES LEGEND PLATE

PUSHBUTTON SWITCH N.C. 'MTH LOCK-OUT: STOP

a to L.O. TEXT DENOTES LEGEND PLATE

START'- STOP SELECTOR SWITCH: <1._l__g TEXT DENOTES LEGEND PLATE

OL ~ THERMAL OVERLOAD RELAY

DISCONNECT SWITCHES

CONTACTS

TORQUE SWITCH

NO NC

NOTATION LEGEND: NO/NC: NORMALLY OPEN/CLOSED RO/RC: RISE-TO-OPEN/CLOSE FO/FC: FALL-TO-OPEN/CLOSE TO/TC: TIME-OPEN/CLOSE

CONTACTS: TEXT DENOTES COIL ID

S'MTCHES: LIMIT LS LS

SWITCHES o-2Jo "'-i0 TEXT DENOTES TAG NUMBER

NORC NOFC NCRO NCFO

TEMPERATURE TS TS SWITCHES/ ~ - ~ -

THERMOSTATS

PRESSURE PS PS PS PS

~ o-r T T SWITCHES

LEVEL LS

~ LS LS

SWITCHES ~ 0 6 FLOW

FS

~ FS FS

~ T ~ SWITCHES

NOTC NOTO NCTO NCTC

Tl~~g~~~~ IYl~l+l+I

1 OOVA VV-AAA-'

480 /120/ f'YVVVV"\

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SWITCHES

INDICATOR LIGHT: LEFT: STANDARD/RIGHT: PUSH-TO-TEST X DENOTES COLOR

RUN TIME METER

SOLENOID VALVE

MOTOR PROTECTION RELAY

CONTROL POWER TRANSFORMER

MECHANICAL INTERLOCK CONNECTION

MOTOR SPACE HEATER

COIL: X DENOTES TYPE:

M DENOTES MOTOR STARTER CR DENOTES CONTROL RELAY TD DENOTES TIME DELAY RELAY PR DENOTES INTERPOSING PILOT RELAY LC DENOTES LIGHTING CONTACTOR

Y DENOTES REFERENCE LINE NUMBER

WALL S'MTCH: X DENOTES TYPE:

NO SUBSCRIPT DENOTES SINGLE-POLE SWITCH 3 DENOTES 3-WAY SWITCH 4 DENOTES 4-WAY SWITCH M DENOTES MANUAL MOTOR STARTER

# DENOTES CIRCUIT NUMBER WPCR DENOTES WEATHERPROOF AND CORROSION RESISTANT

COMBINATION MOTOR STARTER

DISCONNECT S'MTCH

LOCAL CONTROL STATION

TRANSFORMER ID 45kVA 480-120/208V

b.~ TRANSFORMER '6'?::4w

30A 1 3P

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INSTRUMENT TAG: X DENOTES INSTRUMENT TYPE Y DENOTES INSTRUMENT NUMBER

SEE DRAWING 11 FOR INSTRUMENT ABBREVIATIONS

FUSE

FUSED DISCONNECT SWITCH

DISCONNECT S'MTCH

FUSED DISCONNECT S'MTCH

LOW-VOLTAGE DRAWOUT POWER CIRCUIT BREAKER: E.O. DENOTES ELECTRICALLY OPERA TED LSIG DENOTES INSTALLED TRIP FUNCTIONS:

L DENOTES LONG-TIME S DENOTES SHORT - TIME I DENOTES INSTANTANEOUS G DENOTES GROUND FAULT

CTR DENOTES BREAKER-SPECIFIC CT AND RA nos

ht). ~zgoA MEDIUM-VOLTAGE DRAWOUT POWER CIRCUIT BREAKER: • · E.O. DENOTES ELECTRICALLY OPERA TED

~liT. BA TT. DENOTES BATTERY BACKUP POWER w

I 800AF r;=:;:;;i\ 800AP ~} 800AT

I LSIG

I 30A)

MCP I

_L --

600:51-(3)

5(;)f-

480:120

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LOW-VOLTAGE MOLDED CASE CIRCUIT BREAKER LEFT: THERMAL-MAGNETIC TRIP UNIT RIGHT: ELECTRONIC TRIP UNIT

MOTOR CIRCUIT PROTECTOR

GROUND

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GFCT: NUMBERS DENOTE GFCT WINDING RATIO AND GFCT QUANTITY

PT: NUMBERS DENOTE PT WINDING VOLTAGES AND PT QUANTITY

DRAW-OUT ELEMENT

LEFT: PANELBOARD RIGHT: COMBINATION POWER UNIT

X DENOTES PANEL ID

LIGHTNING ARRESTOR

PROFESSIONAL CERllFICA llON.

100AI) MCP

g; 5% g;

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I 100A)

MCP

ACllVE FILTER

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M~

TIC

RVSS

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~

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J.c-__'f. rk--,, -J./2111"], ~f. x3,,10_ · i/1/✓1 D,CTOR OF PUBLIC WORKS

Hazen ::c,, / _;,,; c:,••. c;><- DOCUMENlS WERE PREPARED OR § : ::_ ; APPROVED BY ME. AND THAT I AM _ • : _ A DULY LICENSED PROFESS1ONAL :: -o: • O:::: ENGINEER UNDER THE LAWS OF ~ -:g, \ ,p_ 4 2 5 3 \,,<:> / t::J:: THE STA TE OF MARYLAND,

CHECKEO __ "'--JC""S,-,__1---+-----------,i----l----l

PROJ ENGR._~AA~I---+--~-----~--"----+---' DATE

c~~ DATE

511- C(n·, ~•.a,, z\td\7 L j CHIEF BUREAU OF UllLlllES DATE CHIEF UllLJlY DESIGN Dlv1SDN DATE

20170126 12: 58P 0: \32232-BAL \32232-005\Drowings\Electricol\E1.dwg LostSoveBy: £PROSSER

HAZEN AND SAWYER 1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202

410-539-7681

~ ,.,,··._<"c1s11c'G / ~.: LICENSE NO.~. '-, (s,;.•••• .. ••••••~<J-,,' EXPIRATION DATE D7 /25/2018 ,,,,,-JfONAI_ 0--:,,,' ,,,, ,,,, I{ ,,_,

111111111 '1.TJ o-!- SIGNED: APPROVED NO ISSUED FOR DATE BY

LEFT: RESISTOR RIGHT: LINE REACTOR:

#% DENOTES IMPEDANCE

CAPACITOR

VOLTMETER AND SWITCH

AMMETER ANO S'MTCH

SHUNT TRIP

SURGE PROTECTIVE DEVICE

KIRK-KEY INTERLOCK

LEFT: FVNR STARTER: X DENOTES NEMA SIZE OP DENOTES DEFINITE PURPOSE CONTACTOR

RIGHT: FVR STARTER

LEFT: VFD WITH LINE REACTOR MIDDLE: VFO WITH HARMONIC FILTER RIGHT: VFO 'MTH LINE REACTOR AND FVNR BYPASS

X DENOTES NEMA SIZE

LEFT: RVSS STARTER RIGHT: RVSS STARTER 'MTH FVNR BYPASS

VFO WITH RVSS BYPASS

RVAT STARTER: X DENOTES NEMA SIZE #% DENOTES TAP SETTING

ELECTRICAL

LEGEND AND SYMBOLS

I

SINGLE-LINE DIAGRAMS. CONT'D.

500kW (a 480V,3¢,4W

1 -----7 ATS I s1 s2 I 480V, 800A

I ' 0 13¢ 4W 4P 65kA I L I OPEN TRANSITION L _____ __J

1 -----7 ATS I s1 s2I 480V, 800A I ~ 0 13¢ 4W 4P

65kA I L I OPEN TRANSITION L _____ ___i

GENERATOR

CONTACTOR-STYLE ATS OR MTS

CONTACTOR-STYLE ATS OR MTS WITH OFF POSITION

r------7 I I I I 800AF) I I 800AT I

I s1\ s20I

ATS 480V, 800A 3¢ 4W 4P 65kA

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OUCTBANK SECTION CUT IDENTIFIER:

< e-xxxxi

DBXX DENOTES DUCTBANK ID EXX DENOTES DRAWING NUMBER

WHERE SECTION CUT IS LOCATED

DUCTBANK TAG: X DENOTES DUCTBANK ID

CABLE TRAY TAG: X DENOTES CABLE TRAY 10 Y DENOTES SCHEDULE REFERENCE

INSTRUMENT TAG: X DENOTES INSTRUMENT TYPE # DENOTES INSTRUMENT NUMBER

SEE DRA'MNG 11 FOR INSTRUMENT ABBREVIATIONS

CONDUIT TAGS: P DENOTES POWER C DENOTES CONTROL

( P-XXX-XX)() I DENOTES INSTRUMENTATION XXXX DENOTES CONDUIT ID XXX-XXX DENOTES CONDUIT ID

COMMUNICATIONS

7_ TELEPHONE OR NETWORK DROP

8 PAGER RECEPTACLE

• HORN/LIGHT DEVICE

~ PA UNIT

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CONDUIT EXPOSED

CONCRETE ENCASED CONDUIT

CONDUIT CONCEALED

FLEXIBLE CONDUIT

CONCRETE ENCASED DUCTBANK

LEFT: CONDUIT RISE (TURN UP) RIGHT: CONDUIT DROP (TURN DOWN)

GROUND 'MRE

AS-BUILT

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND

DATE JAN 2017 DRAWING NUMBER

El SCALE AS SHOWN

SHEET 17 OF 27

Page 18: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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N

" N N

" )Ji ll

DIREC OR OF PUBL

,/ ,.

/

, .. /

BUS DUCT

• TO MCC-02-1 -. (SHEET E-03)

FROM SUBSTATION SSI

. .

FROM SUBSTATION SSI

GENERAL ELECTRICAL NOTES: 1. ALL WORK SHALL BE INCLUDED IN BASE BID UNLESS INDICATED TO BE

INCLUDED IN ADDITIVE ALTERNATIVE NO. 1.

NOTES: 1. EXISTING BREAKER POWERS AN EXISTING UNIT HEATER SCHEDULED

FOR DEMOLITION. SEE SHEET E-6 FOR DETAILS .

2. HVAC CONTROLS FOR THE EXISTING UPPER AND LOWER PUMP ROOM HVAC EQUIPMENT SHALL BE ABANDONED IN PLACE.

3. SEE THE MCC MODIFICATION TABLE ON DRAWING E-6 FOR DETAILS ON THE WORK IN EXISTING PANELBOARD LB.

,------------------: ------------------------------------------------------------- i----------------------i -------------------------------------------------------7 I . i I BOO AF'\ 800AF

1 \

150AF lOOAT /

PANEL LB

30A \ MCP _/

--- 1

SPARE

400AFI) 8 300AT

METERING

MCC-02-MAIN, 480/277VAC, 30, 3W, 800A

150AF \ @ 30AT,;

!

I

SPD

I

250AF,\ § !

225AT,.

!

150AF.\ @ 20AT, j

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'.

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BOO AT I BOOAT. j "

e e

TRANSITION TRANSITION TRANSITION METERING

150AF 30AT

SPD

250AF 225AT ..

150AF \ 15AT .•

i • !

SPARE

150AF 20AT /

SPARE

SEE NOTE 3. i : L ___________________________ -----------------------: --------------------------------------------------------------------------------:-----------7

!

150A 1 \

MCP 1

( 85

MAIN SEWAGE

PUMP NO. 6

/ /

L/ .-

PANEL PP-SCB-1

.. ·>----. ··- -----·· ,. --.- --· ------ ,_.,. --- . ~'

/u -

MAIN SEWAGE

PUMP NO. 2

/

MAIN SEWAGE

PUMP NO. 1

/

MCC-02-MAIN PARTIAL DEMO SINGLE LINE DIAGRAM

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

OATE

~-j,~w/,7 CHIEF BUREAU OF ENGINEERING OA TE

:zJ1qb

i I . . I

DIGESTER BLOWER N0.1 VFD

DIGESTER BLOWER N0.2 VFD

I I I I I I I I I I I I I

,----------------------------------------------------------------------------------------------------~ I I I I I I I I I I I I I I I I I I I

:\ 150 A \

MCP . i ,-

.4

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oc

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i

HVAC CONTROLS (SEE NOTE 2.)

150AF \ 0 20AT_)

SPARE

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(SHEET E-02)

150AF . @ 15AT ;

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f I

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1

L _______ , ________ ------- --__-------------------t------ ! ___________________________________________________ i ___________ J

/ /

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PUMP NO. 6

Hazen HAZEN AND SAWYER

1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 410-539-7681

rnsw-e-2on msw-e-2om I j CABLE BY MFG. -----. / - . (TYP.) ; CONTROL! 10 ·

! PANEL ' 7 ·5

MAIN SEWAGE

PUMP NO. 2

\\\\,II If f 1111 ,,,, ()I' MA1?,''11

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PUMP NO. 1

PROFESSIONAL CERTIFICATION. ,,~<- ......... I? ,.,.,_. ' _ ,v •• \\ •• <-1_ ' I HEREBY CERTIFY THAT THESE

$"-._~ •• ••?<;,; ¾,/••• ~--- DOCUMENTS WERE PREPARED OR ~VJ.-♦ ~ /.,...,,.• •• <?~ - • • - APPROVED BY ME, AND THAT I AM - . . -: : : •= A DULY LICENSED PROFESSIONAL :: -u • • EN~NEER UNDER THE LAWS OF ~ ~ \ "'"' 4 2 5 3 5,~ / /;/f: THE STA TE OF MARYLAND, ~ ~•••.'-CJSTt.~v •• •• ~,$ LICENSE NO.~, '-, <"s-S,•••••••••••••~f.-,"-,;:- EXPIRATION DA TE 07/25/2018

,,,,, lONAL '0~,,,'

DESIGNED

DRAWN

CHECKED

PROJ. ENGR.

DPW

DPW

JCS

AA

PC1 COLLECTOR

SUMP PUMP NO. 1

MCC-02-MAIN SINGLE LINE DIAGRAM

ELECTRICAL

ONE-LINE DIAGRAM MCC-02-MAIN

COOLING FAN NO. 1

AS-BUILT

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991

DATE JAN 2017 DRAWING NUMBER

E2

SCALE AS SHOWN

CHIEF BUREAU OF UTIUTIES DATE CHIEF UTILITY DESIGN DIVISON DATE 1111111111"''''' 2../1 Ir+ SIGNED: APPROVED NO. ISSUED FOR DATE BY 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND SHEET 18 OF 27 w~

0"­<( w ~~L... ___________________________________ ...... ___________________________ ._ ________ ....._ _______ ...._ _ __. ___________ .._ ___ ..__.....,._ _________ _._ __________ ._ _________________________ ...... ______ ...

20170206 8: 47 A 0: \32232-bal\32232-005\Drawings\electricol\E2.dwg LostSoveBy: DOLSEN

Page 19: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

,

NOTES: 1. EXISTING BREAKER POWERS AN EXISTIN'G UNIT HEATER SCHEDULED

FORDEMOUTION. SEE SHi;E:T E-6 FOR DETAILS.

2. EXISTING BREAKER POWERS EXJSTINGEXHAUST FAN EF-3 SCHEDULED FOR DEMOUTION. SEE SHEET<E-6 FOR DETAILS

_______ __ _ __ ., .. , ,, TO MCC-02-MAIN _, ,------- -- (SHEET E-02)

BUS DUCT

r--- · ----- · · ---------· -· ------------------------ , ·------------ · ------ · " ·· · · ·· · · · · -------------- · ---------- · ---- · -- ·-----------· -------t"------------------------------1 I i I I : l I; ---- f ---"""""' ----er-·- """" _____ ,,_ ___ ,.,,.,. ... ,,,., ;~-- 1 "'" "" .. , .. -· "'" ••S"•··"····-·--••o""'""""" . , Si-· •.. -- ------ __ ,,_,,,,~·······-------·---- r ..... -L... r ... .. ··r ,,, "T """""" I J1. M~: •• .. .'@ 7A \ @ 30A ' ® ?A I) e 150AF!\@ lf~:; .. .' e 150.AF @ 150AF!\ €) 30A

1 0 3!}A • ;@ 150.AF , @ @ 7A @ 150AF @) @) 1$0A \ e 15£ic~) ® 15ic~) @) 11

·.11. MCP i, MCPJ / fACL 30ATI / lOOAT 15AT. j MCP MCP , / 30AT ; MCP 70ATL,. ...• ,,,.. (FROM SHEET :•02) MCP '/ ~ ~ II

l . -,- 1 -1~ 1 1,. 1 ,, .. :·· 1 .S1 :.·-- -- S2', \. ) 4 . Rlvs· s··v _L Iv _L I I >,; (''. RVSS I l \ ·•., ·~ ....... ~ .... .,...., I I SPARE SPARE SPA·RE 'r'.·L i oc oc I SPARE SPARE SPACE ·· I S.EE NOTE 2. SEE NOTE l. SEE NOTE 1. . . (CONTROLS) ___ .l _ ATS,LB ·..,:----' ..., _ __, {

I I L ___________ ._ ------ -------. --------------------~------ :----------- ·- ·---- --~----------- L _____________ , _______ , - - -.·-· --. -- ---------------------, ______ J

EXHAUST FAN 1-821-F

SUPPLY FAN 1,8JS~ME

EXHAUST FAN 1-822-F

INCLUDE IN ADDffiVE BID ALTERNATE NO. 1.

TO GENERATOR

XFMR

' CP 1

J CRANE

CONTROL PANEL

i i 1SkVA j 480-120/208V

\ - .•-, ___ /s .. ~J"-,_~/

3P/4W DRY TRANS

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2

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LP-LB

85

MAIN SEWAGE

PUMP NO. 3.

MAIN SEWAGE

PUMP N0.4

ms-w~e~ 2® 200A NEMA 4X SS

MAlN SEWAGE

PUMP NO. 5

...... CABLE BY MFG. (TYP.)

lNCLUOE TN ADDITIVE BIO ALTERNATE N0.1.

----~ .... ----~V,•--"-·-··-·· .-. . .,~----~,.--•«"-~ AO•,rn-~~ - i[!' ,--,-,...,-,--,-·(- -'t---~--

INCLUDE IN ADDITIVE BID ALTERNATE NO. 1.

7Ai\@ 15A!\0 MCP MCP i

1 1

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SECTION 1 ; SECTION 2 SECTION 3 SECTION 4 SECTION 5 SECTION 6 SECTION t3 SECTION 14 •••'----~••••••• "'" .. """"""""T'•••"" " • ,,., •• +,,. 1-\

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MAIN SEWAGE

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1 ( , .,,,.. •-•=•------· --~--- .... -l,, ________ ,,,.,,.~~--~----~

MCC"02~ 1· PARTIAL DEMOLITION . ' ' .

SINGLE LINE DIAGRAM

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

DATE

6-U-DATE CHIEF UTILITY DESIGN DIV!SON DA Jt

201701-76- ·12: 58F' 0: \32232-B.til \3223.2:-005\0rmrnqs \Dectricoi\E.1dwg lostSo<1e8r:-EPR05SER

" .. az······e·n··· _ ... ·:, L :·.::· .-::·•·:• -:-··, > :-,--:. . ., :., ,,, ... , .. ··•• ....... · ..

. .

HAZEN AND SAWYER 1 SOUTH $'TREET, SUiTE 1150; 13AL'T!MORE, MD 21202

4t0-5S9-7681

MCC-02.:.1 ELEVATION NO SCALE

PROftSSIONAl CERTIFIC,I 110N.

I HEREBY CERTIFY lliAT THESE ilOCUMENTS li'ERl,:· PREf'ARE!l • Oil Af'PRO~ BY t.!E, AND lliAT I AM A OOLY UCENSEIJ. PROFESSiilllAL EN!llNEER UNDER ll\E U.1'6 Of 11-lE STA1£ Of MARYLAND, LICENSE ND.~; EXPIRATION DATE 07/25/2018

SIGNED:

XSIGNW __ D,.· ·_pw_· _•--1------------1-----;1-----1

0RAWN --~D~P~W=. _•--1-------------1--~-1-----1

CHECKED-.,......,J,.::.C"'S"--r-T------~----+----<--~--1

PROJ. ENGR. __ AA_ 3 AS-BUILT 1/9/19 AA -·-·

2 ADDENDUM 5}9 17 AA

MCC.,02°MAIN ELEVATION N() SCALt

AS-BUILT REPLACEMENT SHEET 1/2019

ELECTRICAL

ONE~LINE DIAGRAM MCC-0:2-01

tNFLUENT PUMiPJNG STATION PUMP REPLACE:MENT CONTRACT

LITTLE PATUXENT WATER RECLAMATI0N·PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUfv1Bi6R 20~4991

[1A1t JAN 2017 . DRAWING NUMBER

E3

SCALE AS SHOWN

:!1:FPR.OVE:D +-='--+-------.....,.-----~--t 6TH ELECTION DIStRI01 HOWARPOOUNTY, MARYLAND 1 ADDENDUM 5/9/17 AA

>JO. 'SSlJ£D FOR DATE BY SHEET 19 OF 27

Page 20: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

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2

3

4

7

8

10

11

12

13

14

15

16 , .

17

18

19

20

21

23

24

25

26

27

28

29

3.0

31

32

33

34

3.5

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.,,*·. *

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INQICATION

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TSH-A>I< t,-----------1--<>I

TO LHIIE 3o

MSH-B

*

o~s ~c ~T@1~C

o~.s SEC SET@ l SEC

MOT:OR 1-*------- i:lVERitMP

* TO LINE 36

INFLUENT PUMPS 1, 2, 4 AND 5 MOTOR CONTROL SCHEMATIC NO SCALE

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

37

38

39

40

41

42

43

45

47

48

49

50

51

52

53

54

55

5.6

57

58

59

60

61

62

6.4

65

66

67

68

6.9

70

(J ~jz k:-- .. ~ 3/2/t7 &.()#Lg~ z.a.-19 DATE CHIEF B~ERl~G DATE

Hazen ~~ -2 _,, ~ ?)2t,ll'1

DATE CHIEF UTILITY DESIGN DMSON DATE

20190219 5, 23P C, \ TEMP\AcPublish_ 248\Little Potuxent WRP AS-BUILTS.dwg LostSo,e81 EMANNISO

HAZEN AND SAWYER 1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202

410-539-7681

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A

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m-46 "''"

;:-- * . .,. .. ..

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CR-51, I 1.. I l -CR 19

T

"

0-5 SEC SET @ 1.$C .. JO

46 * A

.

.

,··

.

' CR 431.

. . . .. tii? +30

.,,, --.

LAlCHING RELAY

"cii' ,_. --- ·- \, \ ·1$9 I '-"

. ..

. . ·' ,. - . A

*

TO PIU PUMP !'AIL

TO PIU PUMP RUNIIINING

TO LINE 35 ~ ...

.

ElEARINGc . OVERTEMP

"

Elf:/IB.ING OVERTEMP

8EARIW, .. OVER1EMP

BEARING O\iERtEMP

8.EARING . OVERTEMP

EM.EROEIIICY ST-OP

C - .,. OMMON AIL . F

71

72

73

74

75

76

77

78

79

80

81

8;?

83

84

65

86

87

BB

69

90

91

92.

93

94

95

S6

9.7

98

99

100

101

102

103

104

105

INFLUENT PUMPS 1, 2, 4 AND 5 PROTECTION SCHEMATIC

PROFESSIONAL CERTIFICATION.

I HEREBY CERTIFY lHAT lHESE DOCUMENTS WERE PREPARED OR APPROVED BY ME, AND lHAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER lHE LAWS OF lHE STATE OF MARYLAND, LICENSE NO._, EXPIRATION DATE __ _

SIGNED:

NO SCALE

DESIGNED ___ _ l---+-----------+------li----11

DRAWN ____ l---+-----------+------,1-----t

CHECKED ____ t---+---~------r-----+-----t

PROJ. ENGR. ___ 1--~3,-+---~A=-S·..c;B=Uc.cll~T~---+-1=/=9/~1~9-+-~AA~--t 2 ADDE;NDUM 5/9/17 AA 1 ADDENDUM 5/9/17 AA

APPROVED NO. ISSUED FOR DA TE BY

L1

M80 Ol ';

NOTES: 1. .PROVIDE APQJTlONAL PUMP PROTECTION SENSOR, TIME DELAY RELAY

::cil:#~~!:e~i:~i~:, ~ZJ:t~~e:~RM As

2. PROVIDE TERMINAL BLOCKS IN MCC AS REQUIRE.OTO. ROUTE FIELD .ALARMS TO PlU IN COMMON CONDUITS,

--:-r--1·· ~------------+-o-+'',, H--+o~--,,.,.. I~ n i )v~,,-------0

~ '~-------! I ./'~ L2 48DVAC.

I

I !-' I i i I

: , I '

l.JL::::3_,-'"'~o--*-4F--"""""4F----·-.. --.. -~,,1 ~*,+x1t'". -------L ___ . ~ .. -

* t* CPT 480/120VAC r,

I I* ---,~.L~J}--~ ~---------------------------

.

* ' • -> .,

0 O'\ AUT-0

1 xoo ----,A+,:,----------,s----

l J_ oox o{· -F~ J . ""\!!) j i,.;,..:,:.:......---.. ___ .., • , __ J._ . xoo

.. .. i 1-· ·~*---•- AUTB TO "" HVAC~VCJh1 ·

PTT

~,-~-. -------------~ . ,.-,_ . . ,. ... " ..

TYPICAL EXHAUS'f FAN ·ELEMENTARY · CONT~OL 'SCH~JkATIC"·

TYPICAL FOR:

SUPPLY FAN 1-835-ME ' ... " . . .

EXHAUST FAN l-1121-f

. EXff.AUST Ft;N r.:.:s-z2.:.:F,

COMMON FAil

I f@·

T

HVAC fAll ro Pfl,l

..

'., .

RUNNING TO HVAC-VCP-1

fAIL TO HVAe-VCP-1

SUPPL ¥/EXHAUST FAN.SCHaMTIC

i

XAS--835 r I

XAS--621

·m;._ . . ••·. \5,/

X1'ilHll22

! .

SMOKE ALARM TQ /'IU

NO SCALE

@ - DENOTES Sl~AL IN HVAC'-VCP-1

HVACALARMS NO SCALE

AS-BUILT REPLACEMENT SHEET 1/2019

ELECTRICAL

PUMP MOTOR CONTROL STARTER

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND

DA TE JAN 2017 DRAWING NUMBER

E-4

SCALE AS SHOWN

SHEET 20 OF 27

Page 21: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

" C 0

CL

0 b §~ u, wN >n oN >N

n

~ II

,--- -f INCLUDE IN ADDITIVE BID ALTERNATE NO. 1

JUNCTION BOX PLANT CONTROL SYSTEM

PIU

I-1

--~--1JBl-----ll------.,,, ' I

/ INCLUDE IN ADDITIVE BID _£ - ALTERNATE NO. 1

---7

L --~~~-==-===tl1j LILP;::-LBlLBj MCC-02-MAIN

i I

I

I

MCC-02-01

FIT

FE

I

I

I

I

I

I

FIT

FE

FIT-2 PUMPS 4, 5, 6

I FIT-1 PUMPS 1, 2, 3

FLOW L - __F_LOIIJ_ _J

TSH-A HS TSH-A HS

IMSH-Bi ESTOP IMSH-Bi ESTOP

ITSH-Ci jTsH-cj

jMSH-Di IMSH-Di

MAIN SEWAGE MAIN SEWAGE PUMP NO. 1 PUMP NO. 2

I CABLE BY

I PUMP MFG. ( TYP. )--------

TSH-A HS TSH-A HS

IMSH-Bi ESTOP IMSH-Bi ESTOP

jTSH-cj jTSH-cj

jMSH-Di IMSH-Di

MAIN SEWAGE MAIN SEWAGE

L PUMP NO. 4

----

PUMP NO. 5

---- _J

MAIN SEWAGE PUMP CONTROL RISER

GO/NO GO PANEL

(HVACAP)

SD

SMOKE DETECTOR

FS

AIR FLOW SWITCH

EXHAUST FAN 1-821-F

NO SCALE

MCC-02-01

TO LIGHTING PANEL LB

VENTILATION CONTROL PANEL (VCP)

SD

SMOKE DETECTOR

FS

AIR FLOW SWITCH

EXHAUST FAN 1-822-F

GO/NO GO PANEL

(HVACAP)

3/4"C W/ 4#14, 1#12G (TYP.)

SD

SMOKE DETECTOR

FS

AIR FLOW SWITCH

SUPPLY FAN 1-835-ME

VENTILATION SYSTEM RISER DIAGRAM

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

D1R~OR~L1W~RK~ ~; Ii 7

----"-'C'-: C 0... elrl 11 CHIEF BUREAU OF UTILITIES DA TE CHIEF UTILITY DESIGN DMSON

NO SCALE

DATE

:zll6lt, DATE

Hazen HAZEN AND SAWYER

1 SOUTH STREET, SUITE 1150; BALTIMORE, MD 21202 410-539-7681

VENTILATION SYSTEM ALARM HORN & LIGHT

\\\Hlllfllt// ,,,,\ af MAR};',,

...... ,~~ ············ z ,,,, f' 1-.....~ •••• 9-\_f, A,t's ••.:9'4:: ~ ~v:i..-~ 0·-.o~ ~ . . ,_ - . . -= : . : = :.-0• • 0:::-~~\ ,,,oG42535\.-~ / ~ff -; ~••• GfSTt.~ .•• ~~ ' <"s'• •• G ' ,, .s;········•~,:,, ,,,,,, 70NAL S,,,,,'

PROFESSIONAL CERllFICA 110N. DESIGNED DPW

I HEREBY CERTIFY THAT THESE MRB DOCUMENTS WERE PREPARED OR DRAWN APPROVED BY ME, AND THAT I AM

JCS A DULY LICENSED PROFESSIONAL CHECKED ENGINEER UNDER THE LAWS OF THE STATE OF MARYLAND,

PROJ. ENGR. AA LICENSE NO.~. EXP IRA 110N DA TE 07 /25 /2018

SIGNED: APPROVED NO. ISSUED FOR

VALVE CONTROL PANEL - PARTIAL DEMOLITION

DATE

NO SCALE

480 V, 3PH FROM POWER PANEL PP-SCB-1

60A DISCONNECT

UNIT HEATER

1-810-ME

T

3/4"C W/ 2#14, 1#12 GND

UNIT HEATER 1-810-ME

BY

NO SCALE

TYPICAL FOR 5 HEATERS

ELECTRICAL

RISER DIAGRAMS AND SCHEDULES

VALVE CONTROL PANEL DEMOLITION NOTES: 1. SUBSEQUENT TO THE SUCCESSFUL DEMONSTRATION OF THE NEW PUMPS,

THE EXISTING VALVE/PUMP CONTROLS FOR PUMPS 1, 2, 4 AND 5 SHALL BE DEMOLISHED. VALVE CONTROLS FOR PUMPS 1 AND PUMP 3 SHALL REMAIN IN SERVICE.

2. DISCONNECT WIRING FOR DEMOLISHED PUMPS IN THE VALVE CONTROL CABINET. ENSURE NO ABANDONED WIRING HAS VOLTAGE PRESENT.

3. REMOVE EXISTING PILOT LIGHTS AND DEVICES FROM THE PANEL DOOR.

4. REMOVE TAGS AND LABELS FOR DEMOLISHED PUMPS.

5. PLUG HOLES IN VALVE CONTROL PANEL WITH FITTED PLUGS.

AS-BUILT

INFLUENT PUMPING STATION PUMP REPLACEMENT CONTRACT

LITTLE PATUXENT WATER RECLAMATION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NUMBER 20-4991 6TH ELECTION DISTRICT HOWARD COUNTY, MARYLAND

DATE JAN 2017 DRAWING NUMBER

ES SCALE AS SHOWN

SHEET 21 OF 27 w m c., ~ -< w ~~1--------------------------------------'----------------...&.--------'--'---------'-------..... - ..... __________ ...._ ___ ..__ ...... _________ _,.._ ________ .....,.,_ ________________________ ....... _____ _ ,,,,,,..u,,,,, tl-i~1?-

20170126 12: 58P 0: \32232-BAL \32232-005\0rowings\Electricol\ES.dwg lostSoveBy: EPROSSER

Page 22: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

• . ' ' '

CONDUIT NO. SIZE FROM TO CONDUCTORS REMARKS

P-001 3/4" MCC-02-01 EXHAUST FAN EF-1 3#12, 1-#12 GND VIA DISCONNECT

P-002 3/4" MCC-02-01 SUPPLY FAN SF-1 3#12, 1-#12 GND VIA DISCONNECT

P-003 3/4" MCC-02-01 EXHAUST FAN EF-2 3#12, 1-#12 GND VIA DISCONNECT

P-004 1 1/2" MCC-02-01 MAIN SEWAGE PUMP NO. 4 3-#1, 1#1 GND VII\ •I

P-005 1 1/2" MCC-02-01 MAIN SEWAGE PUMP NO. 5 3-#1, 1#1 GND v,,, ,, P-006 1 1/2" MCC-02-MAIN MAIN SEWAGE PUMP NO. 1 3-#1, 1#1 GND VIA DISCONNECT

P-007 1 1/2" MCC-02-MAIN MAIN SEWAGE PUMP NO. 2 3-#1, 1#1 GND VIA DISCONNECT

P-008 NOT USED

P-009 3" MCC-02-MAIN POWER PANEL PP-SCB-1 4-350 kcmil, #4 GND

P-010 1" POWER PANEL PP-SCB-1 UNIT HEATER UH-1 3#6, 1#6GND VIA DISCONNECT

P-011 1" POWER PANEL PP-SCB-1 UNIT HEATER UH-2 3#6, 1#6 GND VIA DISCONNECT

P-012 1" POWER PANEL PP-SCB-1 UNIT HEATER UH-3 3#6, 1#6 GND VIA DISCONNECT

P-013 3/4" POWER PANEL PP-SCB-1 UNIT HEATER UH-4 3#10, 1#10 GND VIA DISCONNECT

P-014 3/4" POWER PANEL PP-SCB-1 UNIT HEATER UH-5 3#10, 1#10 GND VIA DISCONNECT

P-015 3/4" PANEL LB IN MCC-02-MAIN FIT-1 (PUMPS 1-3) 2#12, 1-#12 GND

P-016 3/4" PANEL LB IN MCC-02-MAIN FIT-2 (PUMPS 4-6) 2#12, 1-#12 GND

P-017 3/4" PANEL LB IN MCC-02-MAIN CONTROL PANEL HVAC-VCP-1 2#12, 1-#12 GND

CONDUIT NO. SIZE FROM TO CONDUCTORS REMARKS

C-001 3/4" MOTOR CONTROL CENTER MCC-02-01 CONTROL PANEL HVAC-VCP-1 8#14, 1#12 GND

C-002 3/4" MOTOR CONTROL CENTER MCC-02-01 CONTROL PANEL HVAC-VCP-1 16#14, 1#12 GND

C-003 3/4" HVAC CONTROL PANEL HVAC-VCP-1 JB BY EXHAUST FAN 1-821-F 6#14, 1#12 GND; 1-TSP

C-004 3/4" HVAC CONTROL PANEL HVAC-VCP-1 lB BY EXHAUST FAN 1-822-F 6#14, 1#12 GND; 1-TSP

C-005 3/4" HVAC CONTROL PANEL HVAC-VCP-1 JB BY EXHAUST FAN 1-835-ME 6#14, 1#12 GND; 1-TSP

. .. .. ··.

LOCATION

MCC-02-MAIN

SECTION 1F

SECTION 1K/1M

SECTION 108

SECTION 10D

SECTION 10F

SECTION 12M

SECTION 13M

MCC-02-01

SECTION 18

SECTION 1D

SECTION 1F

SECTION 1H

SECTION 1K

S£CT10N 1M

SECTION 5M

SECTION 6M

430/277 VCLTS

EXISTING LABEL

LIGHTING PANEL LB

SPARE

COOLING FAN NO. 1

UNIT HEATER NO. 3

Ullill HEATER NO. 5

MAIN SEWAGE PUMP NO. 1

MAIN SEWAGE PUMP NO. 2

EXHAUST FAN NO. 3

SUPPLY FAN NO. 7

COOLING FAN NO. 2

COOLING FAN NO. 3

UNIT HEATER N0.4

UNIT HEATER N0.6

MAIN SEWAGE PUMP NO. 4

MAIN SEWAGE PUMP NO. 5

. . . .

NEW LABEL

POWER PANEL PP-81

· SPARE

SPARE

SPARE

MAIN SE'.WAGE PUMP NO. 1

MAIN SEWAGE

PUMP NO. 2

SPARE

EXHAUST FAN EF-1

SUPPLY FAN SF -1

EXHAUST FAN EF~2

SPARE

SPARE

MAIN SEWAGE PUMP NO. 4

MAIN SEWAGE PUMP NO. 5

.

. ·.

· DESCRlPTION OF CHANGE

ADD TWO 20 A CIRCUIT BREAKERS TO LIGHTING PANEL LB FOR THE NEW FLOW METER AND THE NEW HVAC CONTROL PANEL

(FLO\\lf,iETER BREAKER I.S IN A0D111VE BIS AL TERNATt N0.2

REPLACE THE EXISTING 20 A, 3 POL£ BREAKER AND THE

SPARE STARTER WITH A 300 A, 3 POLE BREAKER.

DEMOLISH EXISTING WIRING. MARK STARTER AS SPARE.

DEMOLISH EXISTING FIELD WlRfNG TO UNIT HEATER NO. 3. LABEL EXISTING BREAKER AS SPARE.

DtMOUSH EXISTING FIELD WIRING TO UNIT HEATER NO, 5. LABEL . EX1$11NG BREAKER AS SPARE .

REPLACE THE EXISTING STARTER WITH RVSS STARtt:IR AS SHOWN ON THE ONE LJNE DRAWINGS.

REPLACE THE EXISTING STARTER WITH RVSS STARTER AS

SHOWN ON THE ONE UNE DRAWINGS.

DEMOLISH EX1STING FIELD WIRIN:G TO EXHAUST FAN NO. 3. LABEL EXISTING STARTER AS SPARE.

OEMOLiSH EXISTING FIELD W!RING. REUSE EXISTING STARl'ER FOR FAN Ef-1. ADJUST OVERLOADS FOR NEW MOTOR FLA

!}EMOUSH EXISTING FlELD WIRING. REUSE EXISTING STARTER FOR fAN tF-l. ADJUST OVERLOADS FOR NEW MOTOR FLA

REPLACE EXISTING STARTER wrn-1 A NEW STARTER AS SHOWN

ON THE ONE LINE DRAWINGS. DEMOLISH EXISTING WIRING Al'lO PROV!DE NEW CONNECTIONS TO FAN EF-2.

DEMOLISH EXISTING FIELD WIRlNG TO UNIT KEA TER NO. 4. LABEL EXISTING BREAKER AS SPARE .

DEMOLISH EXISTING FIELD WIRING TO UNIT HEATER NO. 6. LABEL

EXISTING BREAKER AS SPARE. RtPLACt THt txlSTING St ART!'it WITH RVSS STARTER As SHOWN UN THE ONE LINE DRAWINGS. INCLUDE AS PARf OF ADDITIVE BID AL TERNA TE NO. 1

REPLACE THE EXISTING St ARTER WITH RVSS START£R AS

SHOWN ON THE ONE LINE DRAWINGS. INCLUDE AS PART OF ADDITIVE BID AL TERNA TE NO. 1 .

MCC MODIFICATION SUMMARY NO SCALE

FANt.L PP·--S(B-< ?YPE: N[MA P

.

C-006 3/4" HVAC CONTROL PANEL HVAC-VCP-1 GO/NO GO PANEL EAST ENTRANCE 8#14, 1#12 GND INCLUDES 4 SPARE 3GfJ.6 .. 3f"-' r-------.------~-----~---------------~ -----------------,.--,..---~---~-------.-----,

's/OLT-AMP:RES C-006A 3/4" HVAC CONTROL PANEL HVAC-VCP-1 GO/NO GO PANEL WEST ENTRANCE 8#14, 1#12 GND INCLUDES 4 SPARE MODS

. C-007 3/4" MOTOR CONTROL CENTER MCC-02-MAIN JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL 6-#16 TSP, 1#12 GND INCLUDES 2 SPARE

C-008 3/4" JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL EMERGENCY STOP SWITCH (PUMP 1) 4#14, 1 #12 GND

C-009 3/4" MOTOR CONTROL CENTER MCC-02-MAIN JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL 6-#16 TSP, 1#12 GND INCLUDES 2 SPARE

C-010 3/4" JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL EMERGENCY STOP SWITCH (PUMP 2) 4#14, 1 #12 GND

C-011 3/4" MOTOR CONTROL CENTER MCC-02-01 JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL 6-#16 TSP, 1#12 GND INCLUDES 2 SPARE

C-012 3/4" JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL EMERGENCY STOP SWITCH (PUMP 4) 4#14, 1 #12 GND

C-013 3/4" MOTOR CONTROL CENTER MCC-02-01 JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL 6-#16 TSP, 1#12 GND INCLUDES 2 SPARE

C-014 3/4" JUNCTION BOX ON PUMP ROOM PLATFORM LEVEL EMERGENCY STOP SWITCH (PUMP 5) 4#14, 1 #12 GND

C-015 1" MOTOR CONTROL CENTER MCC-02-MAIN PLANT CONTROL SYSTEM PIU 20#14, 1 #12 GND

C-016 1" MOTOR CONTROL CENTER MCC-02-MAIN PLANT CONTROL SYSTEM PIU SPARE

C-017 1" MOTOR CONTROL CENTER MCC-02-01 PLANT CONTROL SYSTEM PIU 20#14, 1 #12 GND

C-018 1" MOTOR CONTROL CENTER MCC-02-01 PLANT CONTROL SYSTEM PIU SPARE

C-019 3/4" FIT (PUMPS 1-3) JUNCTION BOX JB-11 1-#16 TSP, 1#12 GND

C-020 3/4" FIT (PUMPS 4-6) JUNCTION BOX JB-11 1-#16 TSP, 1#12 GND .

C-021 1" JUNCTION BOX JB-11 PLANT CONTROL SYSTEM PJU 2-#16 TSP, 2#12 GND :'PAC[ C-022 3/4" HVAC CONTROL PANEL HVAC-VCP-1 LOWER PUMP ROOM ALARM HORN AND BEACON 8#14, 1#12 GND . C-023 3/4" HVAC CONTROL PANEL HVAC-VCP-1 MOTOR CONTROL CENTER MCC-02-01 8#14, 1#12 GND SCADA SIGNALS-4 SPARE .

C-024 3" MOTOR CONTROL CENTER MCC-02-01 MOTOR CONTROL CENTER MCC-02-MAIN DETERMINED BY MCC MFG SPAC[

C-025 3" MOTOR CONTROL CENTER MCC-02-01 MOTOR CONTROL CENTER MCC-02-MAIN DETERMINED BY MCC MFG

SP1\C E

CONDUIT AND CABLE SCHEDULE NO SCALE

... . . .. . ..

POU::

3

P-G12 fiD 3

3

2D 3

3

3

3

'b.

3

9

11

13

15

19

29

31

33

3.S

39

4:

TOTt,L

16,'JG0

lG,DOO

. . .

::'>B,CO(;

E

16.000

"6,000

_j_QCO

16,000 5,00G

16,DGO

5,000

5,00G

58,000 17<~.ooc

289

POWER PANEL ·scHEDULE .. . . . . . ..

NO SCALE

C

5,GGCJ

2

4

3

10

1" ,£

14.

18

20

24

26

28

3D

34

35

38

40

42

TOTAL

PGLE

3

3

3

3

3

3

3

\\1F[ OESC RlP T!CN

30 P-0:3 UNlT HEAER UH---4

20 SPARE

SPJ1CE

NOTES:

65K AIC

'.(}OKA SPD

MODS

DEPARTMENT OF PUBLIC WORKS I i:::NT p · · · · · · ·· · .. AS-BUILT REPLACEMENT SHEET 1/2019

DATE JAN 2017 H ',,,,,•~'t'MA'~,,t, 2.i/1.9 PROFESSIONAL CERTIFICATION, . DESi(NED_~D,~PW INFLU1i .· ·• •.. UMPING STATION HOWARD COUNTY; MARYLAND ·~•r,_an·· . $~s·?sr·~~-1-A j HEREBY CERTIFY THAT lHESE DR/IWN DPW ---------~···+----+----t ELECTRICAL PUMP REPtACEM'EN1'. ·•CONTRACT

g, ;--"' "/. ~--j aha, &e~2 f ~~ z--u..~ ...,..., ..... .. {0 !~ ~\0 % ~fily~~~~T~AM -~=JC~S~r-'·--t---------f------+----cl .LITTLE PATUXENTWATERRECLAMATIONPLANT

;.I

~ /DIREC~leu:::,__A - DATE CHIEF BUREAU Of ENG£E~G DATE . . \i\ ~~42535',~ .J t§l ~r~~u~~E~~~;s~L .• :::~~~:~1-0R-.-""'·=AA=-.. ·_,-~3~.------A-S-•B-U-IL_T ____ ------11--1/_9_/1-9--t-AA-----t SCHEDlJLES CAPtTAL PROJECT NUMBER S~6264

ORAVit,C NUMBE~

E6 '5 ~~ /..... ..... ... .- : Cu .. l::::'.'.'. zbwl. \<y 1 SOUTH STREE~~~~~F'MORE, MD 21202 '\{j·;s//J~R~s.~~$ ~~~~:'0"zW>02125/2m1> -~~~ t--,~-----,-:_-::_-::_-::_-:-_:::.:::.:::.A~D::-:··-=D:::·c::E:N::D'=,U~M':=_:::_-::_--:_:::.:::.:::.~~-:;,_5~/~9-=-/~l-7~-:=-=,AA-=_:::.~ CONTRACT NUM0BER 20--4991 sr;ALE ~,; SHOWN

i ~ CHIEF BUREAU Of U11U11~'7-=:'."":':-::---D .. ATE--=----C-HIE._F_U-:TI"'LITY::::D:ES:IG'.:'N""D_l\ll_sON _____ ....,_...;·DA...;TE ___ J... ________________ ,..&. ___ ,,_,,_,,_"_'" ... '' .. '---""S·IGN;;;;,:;:ED;;;.: ________ ....,.1.,' 0

.:;A,:.PP~-R;o:·,/E;c::::::::;::t-m;.:r:::::...;-..•_A;;;i-::;;:·_::;::.-l~;~:0c~~::: .... -_-_-:_ -_ -,.J..~_5'~1:,-"'9

:::;cc_E;.7-.:.l-.:.~':"-.. :.:.Y~Jt:::::::::::::::::::J~l:::-:.:::::-:.:-..... : .::::::j:;,,;6:.T.:.H:.:· :.:E:L:E::· ;::C:.:T.:.10::::,N::.·:D.:.IS:···.:.t.:.R:.IC:·.:.T __ :.:HO:.:-• ·.:::·••:.:w:.:.·••:A::R.::D:.•••·.::C:OO:::.:;::•·••::.N;:_TY;...·•••.:.,:..:M::..·•·::.A:.R.:.Y.:.· .. :LA:.:·::;N::D::.· .L.SH~E=E..,;T_2:;2::..,a:o_,_:2_7.J

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Page 23: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

\ ~\\

\\ .

\

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY; MARYLAND

18---~t. ~- 3/2/, /OIR~WORKS

CHIEF BUREAU Of UTII..ITIES .

DAlE

DAlE

--

CHIEF UTII..ITY DESIGN DIVISON

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. . . . · .·.. . ..,,

EX AIR DISCHARGE LINE, , I i TYP OF 3 --------+--+-+--------<

~ 1

\)F~k/{l ! : · "'1x-~x-.,,;;,i=,,,!ii · · · -

EX ne CAANE -fN /• . ., I [ ! ;~ ~ ~.

l 0,-.•·'" "'· j ~ ,.

~

' j ·;

f-' ,--- -,_.f:::'¼. ..

UJ f ! ; t ,_

\. ,_

~ . ::i .. - ..

EX HVAC DUCTWORK ; t JI..,__ ,-~-m,,.}

( PLANT CONTROL SYSTEM

/ PIU

'·=••••··-- ... , ....... ~/,_l .. ~........... , .. .. '. . ' --"' , .... _ ............. _,_.,., ..... ,,,,~--····•,

' I i I ..... .I

ELECTRICAL ROOM (SEE NOTE 4)

' }

_,;

.

: ....

+< ..... ,,:. ·,·. ' !... . ............. ,

,, .. , .. , ..................... : .. ,

'

...

EX30''AIR DISCHARGEHEADER \

... •···· - ... ,____ ----

OPERATIONS ROOM

---- ~~• •~- M.0, •-"' - ~ ~ •-- - - - - - •- ·''· ,V..!,.i

. '

MECHANICAL ROOM

i. 1'

'----·--.. ·--·•""~·-·~' -•.-·.. '-·-·--·, ...... - ............ ' .. , ,_,.; , ........ , .. -... ,, ..... , .. ,, · ........ , .. ,,_-•~---M•-•0•¾-"<'.~-=-"•=<•>•• . .... r:~ .............. · · , ...... ,1,,,., ___ ··-;:)- ...... · ........ --t,,--····~,, .... -....................... ,, .... , ................. , ........................... , ....... ,J

Hazen ..

PROFESSJONAL CERTiflCA TION.

I HEREBY CERTIFY. 1HAT 1ljl:$t DOCUMENTS v.lc/iE f'ilEl'MEO OR

t~~JJ:• P:?-~~AM ENGJNl(ER µNOER 1HE: LAWS. OF TH[ STATE Of .MARYi.AND. LICENSE NO.~ •........ EXPIRATION DATF (}7/25/2018

SIGNED:

i { ,~.•.~~'"'"'"''·-~--:---,------------'~«=

UPPER LEVEL ROOM PLAN 1/4''; 1<0"

..

DtSIG~ED --=-D~P\/if-"'-- ,,__--+---~-.

. :DRAWN ----'M'-"'J"'B'-1---1---~-------

. CHECK".O --~JC=S~1---+----

•.

.- ?ROJ. ENGM: .. ~-~AA=··-1-=-+------'-'"-'==-3 AS-BUILT 1/9/19 2 ADDENDUM 5/9/17 1 ADDENDUM 5/9/17

APPROVED NO. ISSUED FOR DATF

J

' ... ·.·.- ... , . .. . .: .: .

~-+--- HVAC PANEL HVAC.YCP·l

: f ! I

.. i

~--JUNCTION BOXJB"ll

~ . . ·"I· E8 ,,.

\. cl ....

' I ~-- CONDUITS ' 1 .,.,✓ C-015 ~ i

C0 Ol6 ------- ··· AbD1TiVE ALTERNATE NO. I C-Gll'-..---

' C,Q18 : c~o20· C·021 (SEE NOTE 3)

',.,·m•~•· .,._-,., '-

.. . . . . .

NOTES: 1. SEE ONE-LINE DIAGRAMS FOR MODlflCATIONS TO EXISTING MOTOR

CONTROL CABINETS.

2. UPPER LEVEL PUMP ROOM iSADRY UNCLASSIFIED SPACE. AREA HAS BEEN bfH~ATED FROM dAsS 1, DIVISION II USING MONITORED AIR CHANGES.

3. ROUTE CONDUITS QUTSl{)f: OF O'l>ERATIQNS ROOM TO AVOID HAZARDOUS/CORROSIVE ENVlll.ONMENT .

4. ELECTRICAL ROOM IS AN UNCLASSIFIED, DRY ENVIRONMENT.

5. SEE HVAC PLANS FOR LOCATIONS OF HVAC CONTROLS.

6. BLOWER ROOM IS A DRY PRQCl:SSAREA P!ill. SPECIFICATION SECTION 1611L CONDUIT SHAU BE HEAVY WALL ALUMINUM.

7. SUPPLEMENTAL CABINET FOR NEW SEWAGE PUMP SOFT STARTER CONTROLS. SOFT STARTER CONTROLS SHALL BE SPLIT BETWEEN THE MAIN STARTER BUCKETS AND THE SUPPLEMENTAL CONTROL SPACE AS DETERMINED BY THE MCC VENDOR OURJNG CONSTRUCTION.

,.,.,_,..,_,_, .. , ,., ...... , .... , ... __ !

!

AA

AA

AA BY

;

L i

.... :

ELECTRICAL -~«f, .,

UPPER>LEVEL PLAN

I

AS-BUILT REPLACEMENT SHEET 1/2019 . .

INFLUENT PUM1PtNGSTATION PU.MP REPLACEMENT> CONTRACT

LITTLE PATUXENT WATER RECL.AMATlON·PLANT CAPITAL PROJECT NUMiBER S-6264

CONTRACT NUMBl:R•20 .. 4991 6TH ELECTION DJSTRICT HOWARD 001.JNTY, MARYLAND

DAE JAN 2017 DRAWING NlJMBER

E7 SCl,,lf AS SHOt;lN

SHEET 23 OF 27

Page 24: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

. . . ""' .. ..

EX VALVE CONTROL PANEL·-~

MOTOR CONTROL CENTER MCC-02-01 ~ - ....... --- '······~··-

~·--

/-EX BUBBLER CONTROL PANEL

/ -····-·

'-- --

-SECTION ·' A '

1/4" = 1'-0" \. E7 , -

20"170i26 ; 2: 59P 0: \32232--3AL \J2Z32-C05.\D:-:Z1\,'l!'igt\t)ectrkoi\E3.dwg L.%tSove8y: EPROSSER

. . .. · ... . ..

r-MOTOR CONTROL CENTER . /._ MCC-02,MAIN

. . :. : ..

CODED NOTES:

1. PUMP DISCONNECTS INSTALLED ON EXISTING HANDRAIL

AS-BUILT REPLACEMENT SHEET 1/2019 "A,­J1 ,t. JAN 2017

DRAWING NUMBER

E8

SCALE AS Si-10\VN

SHEET 24 OF 27

Page 25: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

u .I "' . Q .·

J, n .. I

Vl a.

::r.:

r .

! l ;

I-MPS-1515-HTR TYP TO ALL 5 HEATERS -----JJ I f I

l ' t ,:

,-·-~,--,·-·,·~ j

WETWELL NO. t

I --•---=•-~-=~~•••~~•~a-""woS~,; .. , "~"~" -~~.>;.c-a,e,-+>,MC,C<>=~,>;~-MK;-s>'""'C'..<«.-m<S<,,.,___;c~-~•-•~=---•,•~•~m~~M~--•••-•----- T . ; - - I . .

• ! i

j

j

y- - ------

' '

.:C--••••·••·••--- _:~-- -------- ..:_~--=-:=-~ •

''"' --··· /~••,--,,

t---·-·----,•••i--. ---,-- .. --~ .. ¢, • ••••• ••••• •,-.••· .. ·~·--·--- -~-----·•----·-····

SlGNm:

PUMP ROOM PLAN

Do_··.w. 1,.---1,---~--------l-­DESiGNED~~~'"~ 1--+----------_j~ __ ..J__

)l'IAWH . , __ , MRB ELECTRICAL

LOWER LEVEL PLAN

NOTES; 1. MOTOR Pfl;OTJ:(:T!QN fQ\.fWMENT lNCLIJDES TSH•A, MSH-B, TSH-C, AND

MSH-C> AS JNDICATECl Of.i SHEET e4.. PRO\llDE ELECTRlCAL WORK TO CciNNECT BEARING TEMPERATURE .SWITCH TSH~E IF tr IS PROVIDED 6¥ THE MANUFACTURER. TYPICAL Of ALL NEW MOTORS,

2. MOTQR TERMINAL HOUSING. TYPICAL FOR ALL NEW MOTORS.

3, THE LOWER PVMI> ROOM<SHALL BE COf>/SIOERED A WITT ENVIROI\/MENT. CONDUIT SHALL BE PVC COATED titAVY WALL CONDUIT Pl:R SEctiON 16111, PARAGRAPH 3.02F;

GROUND RINGS ---

TO TRANSMITTER v- SIGNAL. CONDUtT

! · FLtXtBLE CONDUff

IN1EGRAL M/\QNETIC FLOW METER IN$TALLATIQN

1/2" X 1/4* REDUCER RE(lUIREl) f~

DETAIL l NO stAtt

PRESSURE SWITCH .._. .... , .• ~,.,_,.,_,, l /r SHlff~OFF VAL VE

--'----' THREADED TAP

NOTES:

PRESSURE GAUGE OR SWITCH INSTALLATION .WITH THREADED. TAP

(SHOWN WITHOUT DlAF'HRAGM SEAL) USED FOR PIPES ;t AND LARGER

PRESSURE GAUGE DETAtL ~ 3 · NO SCALE E9

1. PRESSURE GAUGE.PIPING SHALL BE ASTM A312, TYPE 316, SCHEDULE 80 SEAMLESS STAINLESS STEEL ALL JOINTS AND FITTINGS SHALL HAVE NPT THREADED CONNECTIONS. SHUT-OFF VALVE SHALL BE A FULL PORT, STAINLESS STEEL BALL VALVE WITH TEFLON SEAT AND PACKING AND QUARTER TURN HANDLE, MANUFACTURED BY FLOW-TEK, APOLLO, OR EQUAL

2. SEE SPECIFICATION 17650 IN THE ADDENDUM FOR REQUIREMENTS

AS-BUILT REPLACEMENT SHEET 1/2019 fNFLUENT PUMPfNG STATION

PUMP REPLACEMENT CONTRACT LITTLE PATUXENT WATER RECLAMATION PLANT

CAPITAL PROJECT NijMBER S-6264 CONTRACT Nt.JMBtR 20-4991

DAiE JAN 2017 DRAWING NUMBER

E9

SCAlE AS SflOWl-l

Page 26: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

INSTRUMENT AND FUNCTION SYMBOLS

FIELD/PANEL EQUIPMENT

SHARED DISPLAY, SHARED CONTROL

(OIT)

PROGRAMMABLE LOGIC CONTROLLER

SUPERVISORY COMPUTER FUNCTION

(HMI/SERVER)

ffi f x::x1 YYY

CONVERT l•/•I

PRIMARY LOCATION AUXILLARY NORMALLY

NORMALLY FIELD LOCATION INACCESSIBLE NORMALLY OR BEHIND THE

ACCESSIBLE MOUNTED ACCESSIBLE PANEL DEVICES TO OPERATOR TO OPERATOR OR FUNCTIONS

@ ® @ ® ~ § ~ ~

~ [;] rm Em @ @ ~ @

SINGLE INSTRUMENT OR OTHER DEVICE HAVING MULTIPLE FUNCTIONS OR SHARING A COMMON HOUSING

SOFTWARE LOGIC OR CONTROL MODULE XXXX AND SUB-MODULE YYY RESIDENT IN DISTRIBUTED CONTROL SYSTEM (Des) OR PROGRAMMABLE LOGIC CONTROLLER (PLC) REFER TO CONTRACT DOCUMENTS FOR CONTROL AND MODULE DESCRIPTIONS.

DESIGNATIONS OF CONTROL FUNCTIONS (ZZZ) ASSOCIATED WITH INSTRUMENT OR OTHER DEVICES.

AHC - AUTO /HOLD /CLOSE AM - AUTO/MANUAL DEV - DEVIATION HOA- HAND/OFF /AUTO MOA- MANUAL/OFF /AUTO HOR - HAND/OFF /REMOTE LOS - LOCKOUT STOP LR - LOCAL/REMOTE LOR - LOCAL/OFF/REMOTE 00 - ON/OFF

OC - OPEN/CLOSE DSC - OPEN/STOP /CLOSED POT - POTENTIOMETER RL - RAISE/LOWER RSL - RAISE/STOP /LOWER SD - SHUTDOWN SEL - SELECT SP - SET POINT SR - START/RESET SS - START/STOP

INSTRUMENT PANEL MOUNTED WITH COMPUTING OR CONVERTING FUNCTION

E - VOLTAGE I - CURRENT P - PNEUMATIC A - ANALOG B - BINARY

H - HYDRAULIC 0 - ELECTROMAGNETIC, SONIC R - RESISTANCE (ELECT.) D - DIGITAL

COMPUTE t] [I] SUMMING Ix" I EXPONENTIAL

P:/nl AVERAGING

□ RATIO

I L'> I SUBTRACTOR

II] MULTIPLYING

B DIVIDING 1iu ROOT t:_J EXTRACTION

[Kl PROPORTIONAL

[8 HIGH SELECTING

8J LOW SELECTING

[Z] INTEGRAL

® XXX 000

/ '

l'¼tl DERIVATIVE ~ PID

PANEL MOUNTED PILOT LIGHT

ANALYZER, XXXX = TYPE

ALK - ALKALINITY CL2 - CHLORINE CONCENTRATION COMB - COMBUSTIBLE GAS COND - CONDUCTIVITY DO - DISSOLVED OXYGEN H 2S - HYDROGEN SULFIDE LEL - LOWER EXPLOSIVE LIMIT 02 - OXYGEN CONCENTRATION

03 - OZONE ORP - OXIDATION/REDUCTION

POTENTIAL pH - HYDROGEN ION

CONCENTRATION TH - TOTAL HARDNESS UV - ULTRAVIOLET

(*) ASTERISK IDENTIFIES FIELD INSTRUMENTS FURNISHED BY EQUIPMENT SUPPLIER

© ASTERISK IDENTIFIES LOCAL CONTROL PANELS FURNISHED BY EQUIPMENT SUPPLIER

<:> OPERATIONAL INTERLOCK

0 COMPLEX INTERLOCK

M # = 1, 2, 3, etc. °'ij INTERLOCK NUMBER

DESCRIPTION ON SAME SHEET

~ AND LOGIC

~ OR LOGIC

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY, MARYLAND

---lXI-GENERIC VALVE

~ BALL VALVE (3-WAY)

~ BUTTERFLY VALVE

~v~ NEEDLE VALVE

~~ PRESSURE RELEIF OR SAFETY VAL VE

-on-BACKFLOW PREVENTER

I BACKFLOW PREVENTER

~ LECTROPNEUMA TIC ACTUA TO

0 CENTRIFUGAL PUMP

-[B- tcb MAGNETIC VENTURI

FLOW METER FLOW TUBE

-[I}- --.......___.., - -~

PITOT TUBE PARSHALL FLUME

I

i $ _j_ _j_

TAPPED DIAPHRAGM RING SEAL SEAL

@) (§) SIGNAL SEQUENTIAL

BOOSTER EQUIPMENT

VALVE AND ACTUATOR SYMBOLS

--N- --1)«:J-

PLUG VALVE GLOBE VALVE

~ -fxJ--3-WAY VALVE

(GENERAL) PINCH VALVE

~ ~ ~ S\\1NG CHECK VAL VE BALL CHECK VALVE

~ -a-ANGLE VALVE ROTARY VALVE

:! _£_ VACUUM RELIEF VALVE PRESSURE-REDUCING

REGULATOR

l><I [: :I

SLUICE GATE STOP /SLIDE GA TE

~ cp ELECTRIC ACTUATOR SOLENOID ACTUATOR

~ T LECTROHYDRAULIC ACTUATO HAND WHEEL

INSTRUMENT SYMBOLS

-00-- {:)>- -B- -[g}--TURBINE ROTAMETER ULTRASONIC 0 ADDLE WHEEL

FLOW METER FLOW METER FLOW METER

u- ~I~ "ff ' • ~ =

WEIR ORIFICE PLATE 8TRAIGHTENIN( ULTRASONIC VANES LEVEL SEN SOR

-er

~ I __!_ <

_j_ < RADAR

FULL LINE VALVED TAP RTD AND LEVEL SENSOR RING SEAL THERMOWELL (UNGUIDED)

t i t ~ ANALOG ANALOG DIGITAL DIGITAL INPUT OUTPUT INPUT OUTPUT

--❖---A

BALL VALVE B

C

-4- D

E

COMBINATION VACUUM AND F PRESSURE RELIEF VALVE G

H

I

~ J

DIAPHRAGM VALVE K

L

M

~v~ N

0

THROUGH PLUG VALVE p

Q

~ R

s T

BACKPRESSURE REGULATOR u

V

~ w X

STRAINER y

z

C? PNEUMATIC ACTUATOR

tK HYDRANT

---{B- ---§-POSITIVE

VORTEX DISPLACEMENT FLOW METER FLOW METER

0 d SUBMERSIBLE FLOAT TYPE

LEVEL SENSOI LEVEL S\\1TCH

T T I I I

RADAR LEVEL SENSOR CAPACITANCE

(GUIDED) LEVEL SENSOR

INSTRUMENT/DEVICE IDENTIFICATION LETTERS FIRST-LETTER SUCCEEDING-LETTERS

MEASURED OR INITIATING VARIABLE

ANALYSIS

BURNER, COMBUSTION

VOLTAGE

FLOW RATE

GAUGE

HAND

ELECTRICAL CURRENT

POWER

TIME, TIME SCHEDULE

LEVEL

TORQUE

PRESSURE, VACUUM

QUANTITY

RUN

SPEED, FREQUENCY

TEMPERATURE

MULTIVARIABLE

VIBRATION, VOLUME

MECHANICAL ANALYSIS

WEIGHT, FORCE

FAILURE OR TROUBLE

EVENT, STATE/PRESENCE

POSITION, DIMENSION

MODIFIER READOUT OR PASSIVE OUTPUT FUNCTION FUNCTION

ALARM

CONTROL

DIFFEREN Tl AL

PRIMARY ELEMENT SENSOR

FRACTION RA TIO

GLASS, VIE\\1NG DEVICE

INDICATE

SCANE

TIME RATE OF CHANGE CONTROL STATION

LIGHT

MOMENTARY

ORIFICE, RESTRICTION

TEXT POINT CONNECTION

INTEGRATE, TOTALIZE

RECORD & STORE REPORT

SAFETY S\\1TCH

TRANSMIT

MULTIFUNCTION MULTIFUNCTION

VALVE, DAMPER, LOUVER

WELL

X AXIS

Y AXIS COMPUTE, REVERT, RELAY

Z AXIS DRIVER, ACTUATOR, FINAL

CONTROL ELEMENT

LINETYPE LEGEND

.. . . .. .. fl '' JJ Tl

L L L

MAJOR PROCESS PIPES OR CHANNELS

SECONDARY PROCESS OR MECHANICAL CONNECTIONS

CAPILLARY OR IMPULSE TUBING

AIR SUPPLY OR SIGNAL

HYDRAULIC SUPPLY OR SIGNAL

------------ ELECTRICAL SIGNAL

---0----0----0- DATA LINK OR INTERNAL SOFTWARE LINK

PROCESS FLOW

TYPICAL PUMP

PUMPING STATION EQUIPMENT

MODIFIER

CLOSE, CLOSED

HIGH

LOW

MIDDLE, INTERMEDIATE

OPEN, OPENED

MULTIFUNCTION

AS-BUILT

H ,,,,,,0r·M'.tt,,,, PROFESSIONAL CERTIFICATION. DESIGNEO __ ~AA~ INFLUENT PUMPING sTAT1ON azen ${}~-~z.°R··~~..;;;,,__ 1 HEREBY CERTIFY lliATlliESE DRAWN __ c_cMR=B=----t--J----_ ++ -_ -_ -_ -_ -_ -_ -_ -_ -_ -_ -~ -~ -~ -~ -~ --+--1--~ -~ -~ -~ --f--+ -~ -~ -_ -1---1 INSTRUMENTATION PUMP REPLACEMENT CONTRACT ( ( __ t_0 ._/~(if0 ·-:::.c:ii__ ~~~~~~rs~~f ~NE;":t~T ~:M ~ Jes LITTLE PATuxENT WATER RECLAMATION PLANT ~ ( c..__ 1 r\s-.~ , I-+ \l 'Al.-.~.itsrvJ""-~ z.l!,A1 .. ADULYLICENSEDPROFESSIONAL CHECKEO __ =,,,___l-----+------------+-----+----1

N ,; ~ ~ =-o: : Q:": ENGINEER UNDER lliE LAWS OF CAPITAL PROJECT NUMBER S-6264

DATE JAN 2017 DRAWING NUMBER

11 ~ DIREC OR OF PUBLlt. WORKS DAlE CHIEF BUREAU OF ENGNEERING DATE ~ ~-:S\ .pG4253\,"> ii::§ lliE STAlE OF MARYLAND, PROJ. ENGR,_~A~A~t----+-----------+---+-------1 LEGEND AND SYMBOLS

Jc ;:;II , N ~ ~"' - _,\\d' r, 1 SOUTH STREE~~5~:~~5~~m~~MORE. MD21202 -=:.~s,·•.:!.~:r.~;.-;~~.f ~~~~~~~~;J?i:'~712512018 CONTRACT NUMBER 20-4991 SCALE AS SHOWN w m c ... ~C:: &,.. •. , 2 ll"tlt) __l_~ .c'.1 ~!...J. 410-539-7681 ,,,,,, 70NAL '2,,,,,' i~,___cH_1E_F_su_R_~_u_oF_uTI_u_TIE_s ______ o_A1E _____ cH_1E_F_uTI_u_~_o_Es_1G_N_o_1~_~_N ______ D_A1E ___ _._ ________________ '-___ ,,_,,_,,_"'_"_'"_~_~~~~l~.....1~s1~GN~E~D: ______ --'1.....AP~P~R~OV~E~D---.....l.;._NO~ . ..J..----1~ss~U~E~D~F~OR.;._ ___ 1....~o~A~TE;_.1,_~B~Y...J _________ ...JI _________ ...J~6~T~H:..:..;E~L~E~C.:..;.T~IO~N:..:..;D:...:IS~T~R~l~C~T:.......:.;H~O~W:.:.:..A~R~D:...:C~O~U:.:.;N~T~Y~,~M~A:..:.:.;R~Y~L~A~N~D:..l_s_HE_E_T_2_6_0_F_21...J

20170206 8: 50A 0: \32232-bol\32232-005\Drowings\instrumentotion \11.dwg lostSaveBy: DOLSEN

Page 27: SJRVCTIJRAL j HOWARD·COUNTY MARYLAND S2 …gate valve butterfly valve plug valve s~ng check valve globe valve pinch valve diaphragm valve ball valve ball check valve needle valve

. . .

EXISTING PLANT SCAQA PI\J

MCC

_J

·'$! ~-

r-c-· / u 'f''"----~; ' '',-;_,,.,.~,,_.,.·

"' Nj't

'

HS 200

I I I Y I t I I L----t----L ___ J

I I I I

I I I

' I ' I I I I I l I I t I I I I I I I I I j

I I l i I I I I I I I I I I I I I I i I I I I I ! I I I I I I

r I

I i t-- ·-----1 . I

r---i-1 I

l I

-f

_I

~ HS 201

I

I I I I I

I I I 1 I I I I

"-----4----L----l

' I l

I I I I I I l I I I I

I I I I l

I I I I I I I I : I

I I I I I I l I I I I I I I I I I I I I I I I , I 1 (1-MPS-1512-FIT) :

I I

SURGE RELIEF VALVE---""

FIT ' I n: l----l 1001 :

16" PV (TYP)

. C 1-MPS-007-VLV l

1f$" CV (TYP} C 1-MPS-013-VLV )

I I

I . . I • JHsfSTOP 1 L---r---\el

"' ,e;· o: z 0 w ;z 5 I- _, ::, ;:, "' "" "' <( "'

r l ' f.-:.,._ ______ .<f·--~---~ --L ,-,=-·=•J f f

. . . ' ' .

I

EXISTING WET WELL /11

~-"""'"-------· .---

DEPARTMENT OF PUBLIC WORKS HOWARD COUNTY. MARYLAND

L

UT

< 1 .3Qo I}

H·a·•.·•····.,,,.e··· .... • .. ··.n•·····••···• . .L,j, " .

SLUICE. GATE (TYP)

SWICE GATE (TYP)

BAR SCREEN . {ffl)

. INFLUENT SEWER

0 o. z w g z

;z .J 5 :::, ~ :::,

°" <( ""

.f

i.

I I I I I I I I I I I

I I I I I I I I I I I I I I

!: I I .t

j r I I I

! I I

L. -- -. -.-.-

-·····. ', -- . .............,. --- ~--

"' Cl ~ ~ 0 I z ...,

:::, <( :::, ~ "" Le. -,;

HS.

.l ·I

I I I l l l l I L---t"---L----l

I

' I I

I I I I I I I 1 j I l .

-,v. " IN. CLUDE IN ADD .. IJiV!= BlD I ALTERNATE NO. l

0 ~ z ·Z ::, 0::

. I

i I

,., ·; ,; --~, ;<•""-• ""

H$: \/ RL \ / YL XA .. ·'"":; ------,--c··---r --~----•,

SURGE RELIEF VALVE

I~

1

.,_ -~·-J ;ii;'-

1

i '

I

:r I

I

I

; l I I I I [

I

' I I I I I I I I I

I I.

' I I I I I I

j I l

. r INCLUDE IN 7 / ADDITi.\iE BID . r ALTitRll!ATE NO. 1

lg ~

.,

-, ' ' ~o"

NOTES: 1. SEE.SPfQl':JCATlONSECTION 17920 FORADDITtONAL SYSTEMI/0.

2. REFER TO O&M MANUAL FOR PUMP PROTECTION DEVICES.

3. BEARING TEMPERATURES MEASURED IN FIVE LOCATIONS.

30" PV

a $j@GV)

JO" PV

GRIT INFLUENT CHANNEL

( 1-MPS-1522-FIT l I

FIT lR02 1---,

( 1-MPS-011-VLV)

( 1-Mp$-017-VLV}

.. NEW 75HP 1 · PUMP NO. 5

(1-MPS-1556-PMPJ I

( 1-MPS-0Q$NLV )

' - -·· ·-· _J

EXISTING WET 'I/ELL #2

... INFL.U.~NJ. Sf,:\'11:'R

-·.·-.. ~ =~-----------!- ·---···'···-·-·.·

( 1-MPS-012-VLV)

!------:, { 1-MPS-018.VLV)

··r

l l

'""'"-._ /· !'"..,,., •• ..,

) " > ' ·C ' :.;:- "" _,, -f l'-'l -''""'---<;

'. L ... ,,-., .,. 1 \ , EXISTING. 8.5t!P t .Z i PUMP Nti. B

'•·1 ,e' ',ifl-MPS-1566-PMP) : -- · ESTOP [_{HS\

\ . ., 6 /

LE

. '

\

\ UT •-- --- -- -I

INSTRUME1NTATION

,.,, ,. I i"

' . •

_.!

42" WET WELL 11'-f!ERCON~CTION --· TO AiJX!UA~i' ..

PUMPING STATION

FROM. AU)(iUARY PUMPING STATION

AS-BUILT REPLACEMENT SHEET 1/2019

INFLUENT PUMPING STATION PUMP<REPLACEMENT CONTRACT

LITTLE PATUXENT WATER R1ECLA.MAl'ION PLANT CAPITAL PROJECT NUMBER S-6264

CONTRACT NtJM1B11ER 20~4991

DME .JAN 2017 DRAl~NG NUMBER

12 ·SCAliE AS. SHQWN