TS - COVER SHEET GM2.1 - GREENWAY BOILER REPLACEMENT EM2.1 - ELMONICA BOILER REPLACEMENT HM2.1 - ERROL HASSELL BOILER REPLACEMENT. M6.1 - DETAIL SHEET FOR GREENWAY, ELMONICA AND ERROL HASSELL - DETAIL SHEET FOR GREENWAY, ELMONICA AND ERROL HASSELLDETAIL SHEET FOR GREENWAY, ELMONICA AND ERROL HASSELL
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1
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STAFF
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LOUNGE
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CLASSROOM
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A108
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CLASSROOM
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A110
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CLASSROOM
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A106
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114
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WORKROOM
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CLASSROOM
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CLASSROOM
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A116
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LIBRARY
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CLASSROOM
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A118
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A104
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CLASSROOM
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A102
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CLASSROOM
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CLASSROOM
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A100
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CUST
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OFFICE
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CLASSROOM
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A120
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A124
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WEST CORRIDOR
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OFFICE
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OFFICE
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CLASSROOM
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CLASSROOM
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A122
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MAIN HALL
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OFFICE
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PRINC.
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HEALTH
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PRODUC
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GYM
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OFFICE
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BOYS
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GIRLS
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CLASSROOM
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SCULLERY
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BREEZEWAY
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B
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CLASSROOM
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COMMONS
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M108
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CLASSROOM
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ELECTRICAL
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M110
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CLASSROOM
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M106
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CLASSROOM
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G
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M100
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CLASSROOM
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M102
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M104
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CLASSROOM
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STORAGE
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MAINT.
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CAFETERIA
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STORAGE 6
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KITCHEN
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GYMNASIUM
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STORAGE 5
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A126
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STAGE
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MAIN HALL
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STORAGE 7
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CUST
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CLASSROOM
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B114
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CLASSROOM
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B116
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BOYS
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GIRLS
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OFFICE
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B100
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OFFICE
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OFFICE
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CLASSROOM
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STORAGE 4
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CLASSROOM
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CLASSROOM
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B112
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B110
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B108
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ART
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B106
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CLASSROOM
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BREEZEWAY
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STOR.
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WG
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1
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2
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3
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A HALL
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GIRL'S
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BOY'S
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2
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2
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3
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3
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RR6
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RR7
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4
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5
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6
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B102
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B104
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CLASSROOM
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EAST CORRIDOOR
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EXISTING EXPANSION TANK UP HIGH
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EXISTING HEATING AND VENT UNIT TO REMAIN
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(E) GAS FIRED HOT WATER BOILER
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
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(E) 3" CW (E) 2" HW (E) 3/4" HWR
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EXISTING 1/2" HWS,HWR TO CUH-2 TO RMAIN.
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RELOCATE BACKFLOW DEVICE. SEE DETAIL 2
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(E)3" CW3" CW
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(E)2" CW2" CW
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(E)3/4" CW3/4" CW
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(E)CW HEADERCW HEADER
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1/2" HWS, HWR TO BHC-2
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(E)3" HWS, HWR3" HWS, HWR
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HCP-2 HCP-1
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(E)AIR SEPARATORAIR SEPARATOR
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(E)3 WAY
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DEMOLITION TASKS: : -REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. -REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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EXISTING LOW PRESSURE GAS METER FEEDING ONLY BOILER AND WATER HEATER.
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APPROXIMATE DEMOLITION AREA
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(E) FD
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(E) CONTROL COMPRESSOR TANK
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CAP (E) PENETRATION @ ROOF
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REMOVE (E) HOUSEKEEPING PAD
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WEST CORRIDOR
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EXISTING HEATING AND VENT UNIT HVU-2 TO REMAIN. BALANCE TO 2.0 GPM
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
CAP (E) 28X14 DUCT AT CEILING. THE OTHER DUCT TO THE FLOOR SHALL REMAIN. ADD OPENING WITHIN 12" OF THE CEILING. THE OPENING SHALL BE 100 SQ IN.
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(E)GAS METERGAS METER
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CONTACT NW NATURAL GAS AND PAY FOR CHANGES NECESSARY TO DELIVER 2 PSIG GAS. RECONNECT DOMESTIC WATER HEATER AND TWO NEW GAS FIRED BOILERS. RETEST EXISTING 1-1/2" GAS LINES TO 60 PSI FOR 2 PSI SERVICE.
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NEW 3/4" MAKE UP WATER
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(E) 3" HWS/R
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VFDS FOR PUMPS. ALTER ELECTRICAL AS REQ'D.
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1-1/4" G TO (E)
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DP
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(E) CONTROL COMPRESSOR TANK
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EXISTING EXPANSION TANK UP HIGH
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EXISTING HEATING AND VENT UNIT TO REMAIN
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(E) GAS FIRED HOT WATER BOILER
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
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(E) 3" CW (E) 2" HW (E) 3/4" HWR
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EXISTING 1/2" HWS,HWR TO CUH-2 TO RMAIN.
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RELOCATE BACKFLOW DEVICE. SEE DETAIL 2
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(E)3" CW3" CW
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(E)2" CW2" CW
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(E)3/4" CW3/4" CW
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(E)CW HEADERCW HEADER
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1/2" HWS, HWR TO BHC-2
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(E)3" HWS, HWR3" HWS, HWR
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HCP-2 HCP-1
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(E)AIR SEPARATORAIR SEPARATOR
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(E)3 WAY
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EXISTING LOW PRESSURE GAS METER FEEDING ONLY BOILER AND WATER HEATER.
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APPROXIMATE DEMOLITION AREA
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(E) FD
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(E) CONTROL COMPRESSOR TANK
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CAP (E) PENETRATION @ ROOF
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REMOVE (E) HOUSEKEEPING PAD
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V
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F
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6" DUCTED COMBUSTION AIR INTAKE. SEE DETAIL 2/M6.1
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6" BOILER FLUE. AL 429. SEE DETAIL 5/M6.1
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WF
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NEW 6" CLASS 'B' VENT FOR WATER HEATER. SEE DETAIL 5/M6.1
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DRAWING NOTES: : 1) PATCH ROOF WHERE EXISTING FLUE IS REMOVED. ALL ROOF WORK SHALL BE PERFORMED BY AN APPROVED ROOFING CONTRACTOR TO MAINTAIN OWNER'S WARRANTY. 2) CONTRACTOR SHALL PROVIDE CODE SEPARATION FOR FLUES AND COMBUSTION AIR INTAKE. IF NOT SEPARATED BY 10', THEN THE FLUE SHALL BE 3 FEET HIGHER THAN THE COMBUSTION AIR INTAKE. 3) PROVIDE NEW POWER CONNECTION FOR BP-1 & -2. REPLACE & UPGRADE POWER CONNECTION FOR HWP-1 & -2. CURRENT LOADS ARE 1.0 HP EACH. REVISE POWER CONNECTION TO (E) BOILER TO POWER NEW BOILERS. SEE ELECTRICAL SPECIFICATION FOR MEANS & METHODS. PROVIDE NEW PANEL SCHEDULES TO REFLECT NEW CONNECTIONS AS WELL AS (E) DEVICES SERVED. 4) SEE DETAIL 1/M6.1 FOR DETAILED WATER AND GAS PIPING 5) SEE DETAIL 3/M6.1 FOR INLINE PUMP TRIM
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KEY NOTES::
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DEMOLITION TASKS: : -REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. -REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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OF
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SHEET
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Proj No:
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Date:
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Drawn By:
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DSGN By:
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Chkd By:
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Acad File:
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PHN: (503) 234-0548
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WWW.MFIA-ENG.COM
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FAX: (503) 234-0677
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Consulting Engineers
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Portland, OR 97214
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2007 S.E. Ash St.
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SWM
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SWM
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LKF/JVB
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9434
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15 MAY 2018
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MECHANICAL PLANS
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BEAVERTON OREGON
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BEAVERTON SCHOOL DISTRICT
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GREENWAY BOILER
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5
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GM2.1
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BOILER ROOM SEE ENLARGED PLAN THIS SHEET
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1
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B
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NUMBER
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750
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CONDENSING
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BOILER DESIGN WEIGHT (LBS)
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AHRI EFFICIENCY 80%%D TO 180%%DF
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DESIGN MODEL: AERCO BENCHMARK
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DESIGN ALTITUDE, FT
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VENT MATERIAL
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MAX. GAS INPUT (MBH)
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LVG. WATER TEMP (%%DF)
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ENT. WATER TEMP (%%DF)
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MIN. OUTPUT (MBH)
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FLOW RATE (GPM)
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VENT DUCT DIAMETER (INCH)
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TYPE
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FUEL
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250
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SEE SPECS
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800
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NATURAL GAS
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BOILERS
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MARK
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WATER PRESSURE DROP, PSIG
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TURNDOWN
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POLYPROPYLENE GLYCOL (%%%)
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RPM
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MOTOR HP
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HEAD (FT)
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FLOW RATE (GPM)
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TYPE
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NUMBER
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MARK
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PUMPS
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SERVICE
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675
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SEE SPECS.
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110
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140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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BASIS OF DESIGN: B&G
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VFD/ EC MOTOR
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6"%%C
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S.S. FIRE TUBE
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EFFICIENCY
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SHAFT GROUNDING
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VOLTAGE / PHASE
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1
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HWP
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IN-LINE
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60
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3.0
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1750
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54%%%
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HW
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VFD
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63
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460/3
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80-5C
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NO
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2
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HWP
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IN-LINE
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HW
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460/3
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0
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DESIGN WEIGHT (LBS)
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-
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-
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2
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B
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-
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HW
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12
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EC M
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1.0
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78%%%
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INLINE
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50
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E-90
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1
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BP
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NO
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460/3
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0
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-
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2
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BP
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750
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CONDENSING
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SEE SPECS
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800
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NATURAL GAS
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675
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SEE SPECS.
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110
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140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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6"%%C
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S.S. FIRE TUBE
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NOTE: BOILERS MAY OPERATE AS HIGH AS 180 DEG F.
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60
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3.0
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1750
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54%%%
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VFD
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63
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NO
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0
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-
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HW
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12
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EC M
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1.0
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78%%%
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INLINE
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50
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E-90
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NO
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460/3
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0
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-
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BP 1 & 2 ARE CLOSE COUPLED PUMPS WITH EC MOTORS HWP 1 & 2 ARE SPLIT COUPLED IN LINE
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GAS LINE SIZING: THE EQUIVALENT LENGTH OF THE THE GAS LINE IS APPROXIMATELY 50 FEET. THE CONNECTED LOAD IS B-1 800 MBH 800 MBH B-2 800 MBH 800 MBH WH(E) 200 MBH 200 MBH TOTAL 1800 MBH 1800 MBH PER TABLE C402.4(5) OF THE OREGON MECHANICAL SPECIALTY CODE, A 1-1/2" GAS LINE AT 2 PSIG WILL FLOW 7,650 CUBIC FEET OF GAS WITH A 1 PSIG DROP.
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B
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2
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B
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1
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(E) WH WH 200 MBH
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800 MBH
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GAS METER 1800 MBH @ 2PSIG
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METER
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1 1/2"G 2PSIG
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1 1/4"G 2PSIG
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1"G 2PSIG
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800 MBH
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EACH CONNECTION TO THE 2 PSIG GAS LINE SHALL HAVE PRESSURE REDUCING VALVE. SEE DETAIL
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4
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M6.1
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NATURAL GAS SIZING
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GM2.1
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2
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1/4"=1'-0"
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BOILER ROOM NEW BOILERS
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GM2.1
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1
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1/4"=1'-0"
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BOILER ROOM -DEMOLITION
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HVU-1 BALANCE TO 17 GPM
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ACU-2 BALANCE TO 5.0 GPM
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HVU-3 BALANCE TO 18 GPM
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MZU-1 BALANCE TO 6.0 GPM
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2
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EXISTING CONTROL COMPESSOR TANK
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EXISTING EXPANSION TANK UP HIGH
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EXISTING HEATING AND VENT UNIT TO REMAIN
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EXSITING GAS FIRED HOT WATER BOILER
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
DEMOLITION TASKS REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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EXISTING LOW PRESSURE GAS METER FEEDING ONLY BOILER AND HOT WATER HEATER. CONTACT NW NATURAL GAS AND PAY FOR CHANGES NECESSARY TO DELIVER 2 PSIG GAS. RECONNECT DOMESTIC HOT HEATER AND TWO NEW GAS FIRED BOILER. RETEST AND CERTIFY EXISTING GAS LINES AND NEW REQUIRED FOR CONNECTION. PROVIDE REGULATORS AS DETAILED.
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UP
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UP
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UP
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BREEZ WAY
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MAIN HALL
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KITCHEN
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CAFETERIA
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STAFF LOUNGE
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HEALTH
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PRINCIPAL
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MAIN OFFICE
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MAIN LOBBY
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B124
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B122
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B120
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B118
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LIBRARY
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B HALL
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B116
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B114
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RESOURCE ROOM
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B110
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B108
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B106
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B104
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B102
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B100
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STAGE
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STOR 5
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STORAGE 1
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STORAGE 2
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GIRLS 2
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BOYS 2
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OFFICE 1
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GIRLS 3
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BOYS 3
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WORK ROOM
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OFFICE 2
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OFFICE 2
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CUST. 2
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GYM
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SOLAR SYSTEM DEMOLITION: THE SOLAR STORAGE TANK SST-1 SHALL BE REMOVED.
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SST-1
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SOLAR SYSTEM DEMOLITION: THE EXISTING SOLAR WATER HEATING SYSTEM SHALL BE REMOVED. THE SYSTEM WAS A PREHEATER FOR THE DOMESTIC WATER HEATER. ALL PIPING AND DEVICES WITH THIS SOLAR SYSTEM SHALL BE REMOVED INCLUDING: WATER METER, PUMP SHP-2, STORAGE TANK SST-1, HEAT EXCHANGER HWH-1, SOLAR PANEL PUMP, SHP-1, SOLAR EXPANSION
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(E)GAS METERGAS METER
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REMOVE (E) COMBUSTION AIR DUCT & INTAKE HOOD. PROVIDE 20 GA SS CURB CAP OVER (E) CURB.
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(E)COMBUSTION AIR LOUVERS IN DOOR
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BACKFLOW DEVICE
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(E) 1/2" HWS/R TO CUH-2 TO REMAIN
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REMOVE (E) HOUSEKEEPING PAD
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EXISTING CONTROL COMPESSOR TANK
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EXISTING HEATING AND VENT UNIT TO REMAIN. BALANCE TO 2.0 GPM
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(E)2" CW2" CW
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(E)2" HW2" HW
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(E)3/4" HWR3/4" HWR
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1/2" HWS, HWR TO BHC-2
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(E)3" HWS, HWR3" HWS, HWR
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1
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HWP
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2
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HWP
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1
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BP
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2
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BP
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2
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B
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1
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B
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POT FEEDER
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EXPANSION TANK
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AIR SEPARATOR
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V
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F
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V
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F
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WF
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EXISTING 1 1/2 IN GAS LINE DELIVERS 2 PSIG GAS. THE EXISTING WATER HEATER AND TWO NEW BOILERS SHALL BE FEED WITH 2 PSIG GAS WITH A REGULATOR TO 7" WC AT EACH APPLIANCE
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(E)FLOOR DRAINFLOOR DRAIN
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BOYS 2
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EXISTING BACKFLOW PREVENTOR SHALL BE LOWERED TO CODE HEIGHT FOR TESTING.
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1 1/2" G 2 PSIG
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COVER LOUVER ON ONE DOOR
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(E) LOUVER TO REMAIN OPEN FOR (E) WATER HEATER
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DP
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HWP-1 & 2 VFDS ALTER ELECT AS REQ'D
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EXISTING CONTROL COMPESSOR TANK
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EXISTING EXPANSION TANK UP HIGH
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EXISTING HEATING AND VENT UNIT TO REMAIN
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EXSITING GAS FIRED HOT WATER BOILER
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
REMOVE (E) COMBUSTION AIR DUCT & INTAKE HOOD. PROVIDE 20 GA SS CURB CAP OVER (E) CURB.
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(E)COMBUSTION AIR LOUVERS IN DOOR
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BACKFLOW DEVICE
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(E) 1/2" HWS/R TO CUH-2 TO REMAIN
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REMOVE (E) HOUSEKEEPING PAD
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V
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F
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6" DUCTED COMBUSTION AIR INTAKE. SEE DETAIL 2/M6.1
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6" BOILER FLUE. AL 429. SEE DETAIL 5/M6.1
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WF
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NEW 6" CLASS 'B' VENT FOR WATER HEATER. SEE DETAIL 5/M6.1
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DRAWING NOTES: : 1) PATCH ROOF WHERE EXISTING FLUE IS REMOVED. ALL ROOF WORK SHALL BE PERFORMED BY AN APPROVED ROOFING CONTRACTOR TO MAINTAIN OWNER'S WARRANTY. 2) CONTRACTOR SHALL PROVIDE CODE SEPARATION FOR FLUES AND COMBUSTION AIR INTAKE. IF NOT SEPARATED BY 10', THEN THE FLUE SHALL BE 3 FEET HIGHER THAN THE COMBUSTION AIR INTAKE. 3) PROVIDE NEW POWER CONNECTION FOR BP-1 & -2. REPLACE & UPGRADE POWER CONNECTION FOR HWP-1 & -2. CURRENT LOADS ARE 1.0 HP EACH. REVISE POWER CONNECTION TO (E) BOILER TO POWER NEW BOILERS. SEE ELECTRICAL SPECIFICATION FOR MEANS & METHODS. PROVIDE NEW PANEL SCHEDULES TO REFLECT NEW CONNECTIONS AS WELL AS (E) DEVICES SERVED. 4) SEE DETAIL 1/M6.1 FOR DETAILED WATER AND GAS PIPING 5) SEE DETAIL 3/M6.1 FOR INLINE PUMP TRIM
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KEY NOTES::
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DEMOLITION TASKS REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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SOLAR SYSTEM DEMOLITION: THE SOLAR STORAGE TANK SST-1 SHALL BE REMOVED.
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SOLAR SYSTEM DEMOLITION: THE EXISTING SOLAR WATER HEATING SYSTEM SHALL BE REMOVED. THE SYSTEM WAS A PREHEATER FOR THE DOMESTIC WATER HEATER. ALL PIPING AND DEVICES WITH THIS SOLAR SYSTEM SHALL BE REMOVED INCLUDING: WATER METER, PUMP SHP-2, STORAGE TANK SST-1, HEAT EXCHANGER HWH-1, SOLAR PANEL PUMP, SHP-1, SOLAR EXPANSION
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OF
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SHEET
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Proj No:
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Date:
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Drawn By:
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DSGN By:
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Chkd By:
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Acad File:
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PHN: (503) 234-0548
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WWW.MFIA-ENG.COM
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FAX: (503) 234-0677
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Consulting Engineers
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Portland, OR 97214
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2007 S.E. Ash St.
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SWM
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SWM
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LFK/JVB
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9434
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15 MAY 2018
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MECHANICAL PLANS
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BEAVERTON OREGON
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BEAVERTON SCHOOL DISTRICT
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ELMONICA BOILER
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5
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EM2.1
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BOILER ROOM SEE ENLARGED PLAN THIS SHEET
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GAS LINE SIZING: THE EQUIVALENT LENGTH OF THE THE GAS LINE IS APPROXIMATELY 50 FEET. THE CONNECTED LOAD IS B-1 800 MBH 800 MBH B-2 800 MBH 800 MBH WH(E) 200 MBH 200 MBH TOTAL 1800 MBH 1800 MBH PER TABLE C402.4(5) OF THE OREGON MECHANICAL SPECIALTY CODE, A 1-1/2" GAS LINE AT 2 PSIG WILL FLOW 7,650 CUBIC FEET OF GAS WITH A 1 PSIG DROP.
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B
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2
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B
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1
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(E) WH WH 200 MBH
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800 MBH
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GAS METER 1800 MBH @ 2PSIG
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METER
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1 1/2"G 2PSIG
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1 1/4"G 2PSIG
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1 1/4"G 2PSIG
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800 MBH
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EACH CONNECTION TO THE 2 PSIG GAS LINE SHALL HAVE PRESSURE REDUCING VALVE. SEE DETAIL
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4
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M6.1
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NATURAL GAS SIZING
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1
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B
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NUMBER
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750
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CONDENSING
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BOILER DESIGN WEIGHT (LBS)
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AHRI EFFICIENCY 80%%D TO 180%%DF
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DESIGN MODEL: AERCO BENCHMARK
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DESIGN ALTITUDE, FT
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VENT MATERIAL
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MAX. GAS INPUT (MBH)
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LVG. WATER TEMP (%%DF)
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ENT. WATER TEMP (%%DF)
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MIN. OUTPUT (MBH)
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FLOW RATE (GPM)
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VENT DUCT DIAMETER (INCH)
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TYPE
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FUEL
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250
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SEE SPECS
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800
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NATURAL GAS
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BOILERS
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MARK
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WATER PRESSURE DROP, PSIG
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TURNDOWN
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POLYPROPYLENE GLYCOL (%%%)
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RPM
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MOTOR HP
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HEAD (FT)
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FLOW RATE (GPM)
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TYPE
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NUMBER
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MARK
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PUMPS
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SERVICE
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675
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SEE SPECS.
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110
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140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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BASIS OF DESIGN: B&G
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VFD/ EC MOTOR
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6"%%C
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S.S. FIRE TUBE
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EFFICIENCY
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SHAFT GROUNDING
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VOLTAGE / PHASE
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1
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HWP
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IN-LINE
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60
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3.0
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1750
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54%%%
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HW
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VFD
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63
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460/3
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80-5C
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NO
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2
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HWP
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IN-LINE
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HW
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460/3
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0
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DESIGN WEIGHT (LBS)
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-
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-
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2
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B
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-
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HW
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12
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EC M
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1.0
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78%%%
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INLINE
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50
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E-90
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1
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BP
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NO
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460/3
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0
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-
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2
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BP
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750
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CONDENSING
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SEE SPECS
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800
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NATURAL GAS
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675
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SEE SPECS.
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110
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140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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6"%%C
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S.S. FIRE TUBE
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NOTE: BOILERS MAY OPERATE AS HIGH AS 180 DEG F.
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60
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3.0
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1750
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54%%%
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VFD
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63
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NO
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0
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-
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HW
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12
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EC M
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1.0
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78%%%
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INLINE
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50
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E-90
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NO
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460/3
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0
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-
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BP 1 & 2 ARE CLOSE COUPLED PUMPS WITH EC MOTORS HWP 1 & 2 ARE SPLIT COUPLED IN LINE
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3
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EM2.1
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1
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1/4"=1'-0"
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BOILER ROOM -DEMOLITION
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EM2.1
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2
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1/4"=1'-0"
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BOILER ROOM NEW BOILERS
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HVU-1 BALANCE TO 17 GPM
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ACU-2 BALANCE TO 5.0 GPM
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HVU-3 BALANCE TO 18 GPM
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MZU-1 BALANCE TO 6.0 GPM
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STAFF
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LOUNGE
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CLASSROOM
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A108
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CLASSROOM
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A110
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CLASSROOM
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A106
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114
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WORKROOM
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CLASSROOM
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CLASSROOM
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A116
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LIBRARY
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CLASSROOM
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A118
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A104
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CLASSROOM
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A102
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CLASSROOM
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CLASSROOM
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A100
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CUST
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OFFICE
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CLASSROOM
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A120
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A124
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WEST CORRIDOR
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OFFICE
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OFFICE
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CLASSROOM
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CLASSROOM
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A122
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MAIN HALL
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OFFICE
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PRINC.
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HEALTH
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PRODUC
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GYM
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OFFICE
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BOYS
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GIRLS
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CLASSROOM
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SCULLERY
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BREEZEWAY
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B
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CLASSROOM
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COMMONS
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M108
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CLASSROOM
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ELECTRICAL
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M110
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CLASSROOM
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M106
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CLASSROOM
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G
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M100
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CLASSROOM
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M102
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M104
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CLASSROOM
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STORAGE
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MAINT.
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CAFETERIA
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STORAGE 6
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KITCHEN
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GYMNASIUM
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STORAGE 5
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A126
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STAGE
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MAIN HALL
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STORAGE 7
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CUST
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CLASSROOM
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B114
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CLASSROOM
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B116
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BOYS
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GIRLS
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OFFICE
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B100
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OFFICE
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OFFICE
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CLASSROOM
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STORAGE 4
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CLASSROOM
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CLASSROOM
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B112
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B110
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B108
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ART
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B106
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CLASSROOM
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BREEZEWAY
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STOR.
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WG
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1
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2
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3
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A HALL
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GIRL'S
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BOY'S
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2
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2
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3
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3
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RR6
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RR7
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4
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5
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6
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B102
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B104
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CLASSROOM
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EAST CORRIDOOR
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EXISTING CONTROL COMPESSOR TANK
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EXISTING EXPANSION TANK UP HIGH
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EXISTING HEATING AND VENT UNIT TO REMAIN
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EXSITING GAS FIRED HOT WATER BOILER
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
DEMOLITION TASKS: REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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(E)GAS METER GAS METER
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APPROXIMATE DEMOLITION AREA
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(E)COMBUSTION AIR LOUVERS IN DOOR
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REMOVE (E) HOUSEKEEPING PAD
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EXISTING CONTROL COMPESSOR TANK
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EXISTING HEATING AND VENT UNIT TO REMAIN
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EXISTING DOMESTIC HOT WATER HEATER TO REMAIN. REMOVE EXISTING VENT PIPING (HOOD TO REMAIN).
6" DUCTED COMBUSTION AIR INTAKE. SEE DETAIL 2/M6.1
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6" BOILER FLUE. AL 429. SEE DETAIL 5/M6.1
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WF
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NEW 6" CLASS 'B' VENT FOR WATER HEATER. SEE DETAIL 5/M6.1
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DRAWING NOTES: : 1) PATCH ROOF WHERE EXISTING FLUE IS REMOVED. ALL ROOF WORK SHALL BE PERFORMED BY AN APPROVED ROOFING CONTRACTOR TO MAINTAIN OWNER'S WARRANTY. 2) CONTRACTOR SHALL PROVIDE CODE SEPARATION FOR FLUES AND COMBUSTION AIR INTAKE. IF NOT SEPARATED BY 10', THEN THE FLUE SHALL BE 3 FEET HIGHER THAN THE COMBUSTION AIR INTAKE. 3) PROVIDE NEW POWER CONNECTION FOR BP-1 & -2. REPLACE & UPGRADE POWER CONNECTION FOR HWP-1 & -2. CURRENT LOADS ARE 1.0 HP EACH. REVISE POWER CONNECTION TO (E) BOILER TO POWER NEW BOILERS. SEE ELECTRICAL SPECIFICATION FOR MEANS & METHODS. PROVIDE NEW PANEL SCHEDULES TO REFLECT NEW CONNECTIONS AS WELL AS (E) DEVICES SERVED. 4) SEE DETAIL 1/M6.1 FOR DETAILED WATER AND GAS PIPING 5) SEE DETAIL 3/M6.1 FOR INLINE PUMP TRIM
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KEY NOTES::
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DEMOLITION TASKS: REMOVE EXISTING BOILER, HOUSEKEEPING SLAB, BOILER VENT AND ALL ASSOCIATED PIPING. PIPES TO BUILDING HEATERS ARE TO BE RECONNECTED. REMOVE EXISTING PUMPS, EXPANSION TANK, AIR SEPARTOR, AND ALL ASSOCIATED PIPING.
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OF
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SHEET
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Proj No:
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Date:
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Drawn By:
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DSGN By:
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Chkd By:
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Acad File:
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PHN: (503) 234-0548
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WWW.MFIA-ENG.COM
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FAX: (503) 234-0677
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Consulting Engineers
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Portland, OR 97214
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2007 S.E. Ash St.
AutoCAD SHX Text
SWM
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SWM
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LKF/JVB
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9434
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15 MAY 2018
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MECHANICAL PLANS
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BEAVERTON OREGON
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BEAVERTON SCHOOL DISTRICT
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ERROL HASSELL BOILER
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5
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HM2.1
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BOILER ROOM SEE ENLARGED PLAN THIS SHEET
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GAS LINE SIZING: THE EQUIVALENT LENGTH OF THE THE GAS LINE IS APPROXIMATELY 500 FEET. THE CONNECTED LOAD IS B-1 800 MBH 800 MBH B-2 800 MBH 800 MBH WH(E) 200 MBH 200 MBH 1 RTU 40 40 5 RTU 72 72 TOTAL 2200 MBH 2200 MBH PER TABLE C402.4(5) OF THE OREGON MECHANICAL SPECIALTY CODE, A 1-1/2" GAS LINE AT 2 PSIG WILL FLOW 2,210 CUBIC FEET OF GAS WITH A 1 PSIG DROP.
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B
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2
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B
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1
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(E) WH WH 200 MBH
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800 MBH
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METER
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1 1/2"G 2PSIG
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1 1/4"G 2PSIG
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1 1/4"G 2PSIG
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800 MBH
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NATURAL GAS SIZING
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EACH CONNECTION TO THE 2 PSIG GAS LINE SHALL HAVE PRESSURE REDUCING VALVE. SEE DETAIL
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4
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M6.1
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1
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B
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NUMBER
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750
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CONDENSING
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BOILER DESIGN WEIGHT (LBS)
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AHRI EFFICIENCY 80%%D TO 180%%DF
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DESIGN MODEL: AERCO BENCHMARK
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DESIGN ALTITUDE, FT
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VENT MATERIAL
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MAX. GAS INPUT (MBH)
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LVG. WATER TEMP (%%DF)
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ENT. WATER TEMP (%%DF)
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MIN. OUTPUT (MBH)
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FLOW RATE (GPM)
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VENT DUCT DIAMETER (INCH)
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TYPE
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FUEL
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250
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SEE SPECS
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800
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NATURAL GAS
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BOILERS
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MARK
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WATER PRESSURE DROP, PSIG
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TURNDOWN
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POLYPROPYLENE GLYCOL (%%%)
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RPM
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MOTOR HP
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HEAD (FT)
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FLOW RATE (GPM)
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TYPE
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NUMBER
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MARK
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PUMPS
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SERVICE
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675
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SEE SPECS.
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110
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140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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BASIS OF DESIGN: B&G
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VFD/ EC MOTOR
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6"%%C
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S.S. FIRE TUBE
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EFFICIENCY
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SHAFT GROUNDING
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VOLTAGE / PHASE
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1
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HWP
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IN-LINE
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60
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3.0
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1750
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54%%%
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HW
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VFD
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63
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460/3
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80-5C
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NO
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2
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HWP
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IN-LINE
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HW
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460/3
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0
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DESIGN WEIGHT (LBS)
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-
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-
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2
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B
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-
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HW
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12
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EC M
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1.0
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78%%%
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INLINE
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50
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E-90
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1
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BP
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NO
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460/3
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0
AutoCAD SHX Text
-
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2
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BP
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750
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CONDENSING
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SEE SPECS
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800
AutoCAD SHX Text
NATURAL GAS
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675
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SEE SPECS.
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110
AutoCAD SHX Text
140
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55
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3.0 @ 100 GPM
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95.5%%%
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800
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6"%%C
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S.S. FIRE TUBE
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NOTE: BOILERS MAY OPERATE AS HIGH AS 180 DEG F.
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60
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3.0
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1750
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54%%%
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VFD
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63
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NO
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0
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-
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HW
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12
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EC M
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1.0
AutoCAD SHX Text
78%%%
AutoCAD SHX Text
INLINE
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50
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E-90
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NO
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460/3
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0
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-
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BP 1 & 2 ARE CLOSE COUPLED PUMPS WITH EC MOTORS HWP 1 & 2 ARE SPLIT COUPLED IN LINE
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4
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HM2.1
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2
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1/4"=1'-0"
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BOILER ROOM - NEW BOILERS
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HM2.1
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1
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1/4"=1'-0"
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BOILER ROOM - DEMOLITION
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HVU-1 BALANCE TO 17 GPM
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ACU-2 BALANCE TO 5.0 GPM
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HVU-3 BALANCE TO 18 GPM
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MZU-1 BALANCE TO 6.0 GPM
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1-1/4" GAS TO 400 MBH LOAD
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SCALE: DETAIL
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BOILER PIPING DIAGRAM
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M6.1
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1
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2
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B
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M
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TO DRAIN
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1
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HWP
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2
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HWP
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TRIPLE DUTY VALVE
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PG
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EXPANSION TANK SET TO 12 PSI
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3/4"
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MIN. ACCEPTANCE
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VOLUME = 44 GALLONS
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3/4" FLUE DRAIN TRAPPED. CONNECT TO BOILER DRAIN AND DRAIN TO NEUTRALIZATION TANK. (TYP OF 2)
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2-1/2" BALANCE VALVE
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HEADER TEMP SENSOR.
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3" AIR AND DIRT SEPARATOR WITH SUPPORT TO FLOOR
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2-1/2"
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3/4" CW MAKEUP TO EXISTING DOMESTIC WATER SOURCE.
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BY-PASS
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3"
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3"
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2
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BP
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PRESSURE REDUCING FILL VALVE 12 PSI
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3/4"
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3/4"
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3"
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3"
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3"
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3 HWS TO LOOP.
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SEE 3/M6.1 (TYP OF 2)
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3" HWS (FLANGED)
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3" HWR (FLANGED)
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6" COMBUSTION AIR THROUGH ROOF
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1" NATURAL GAS INPUT. SEE
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RELIEF ON HWS PER INSTALL MANUAL
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3" HWR FROM BUILDING
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1
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B
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2-1/2" BALANCE VALVE
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2-1/2"
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2-1/2"
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1
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BP
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3" HWS (FLANGED)
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3" HWR (FLANGED)
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6" COMBUSTION AIR THROUGH ROOF
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1" NATURAL GAS INPUT
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RELIEF ON HWS PER INSTALL MANUAL
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6" BOILER FLUE. PITCH BACK TOWARDS BOILER
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6" BOILER FLUE. PITCH BACK TOWARDS BOILER
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HOUSE KEEPING PAD TO BE AT LEAST 6" HIGH TO INSURE CONDENSATE DRAINAGE AWAY. CONFIRM WITH INSTALLATION MANUAL TYPICAL BOTH
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NOTES FOR B-2 SHALL APPLY TO B-1
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SCALE: DETAIL
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IN-LINE PUMP
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M6.1
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3
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DISCHARGE
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DISCHARGE VALVE
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STRAINER W/
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FLOOR
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FLEX
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FLANGE
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SCH 40 STEEL PIPE W/ FLOOR FLANGE
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NIPPLE
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COUPLER WELDED TO SUPPORT
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PG
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TRIPLE DUTY VALVE
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PUMP ASSEMBLY
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FLEX BETWEEN VALVES
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SHUT-OFF VALVE, (TYP)
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1/2" (TYP)
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NOTES: : 1) PROVIDE MIN. 5 DIAMETERS OF STRAIGHT PROVIDE MIN. 5 DIAMETERS OF STRAIGHT PIPE UPFLOW OF PUMP. PROVIDE SUCTION DIFFUSER OTHERWISE. 2) PUMPS MAY BE RACKED IF THE TOP PUMPS MAY BE RACKED IF THE TOP PUMP IS LESS THAN 60" FROM FLOOR
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NOTE: FOR PUMP ABOVE PROVIDE RACK SUPPORT.
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GAS PRESSURE REGULATOR
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PREVENT THE ENTRY OF WATER OR
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PER OMSC. DESIGN IT SUCH AS TO
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VENT REGULATOR TO OUTSIDE
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OR STIPULATED CAPACITY ON PLANS
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FOREIGN OBJECTS.
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PER CODE, SEE C410.3, OMSC.
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SIZED FOR CONNECTION LOAD
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GAS RATED
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DIRT LEG
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2" PSIG
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GAS LINE
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TEST PLUG
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GAS LINE
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7" WC
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BALL VALVE
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SCALE: DETAIL
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GAS REG DETAIL
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M6.1
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4
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ROOF
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12"
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ANCHOR INTAKE HEAD COUNTER- FLASHING. CAP TO CURB WITH GASKETED ROOFING SCREWS AT 12" OC MIN.
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ATTACH CURB TO ROOF DECK W/ 1/4" X 1-1/2" SIMPSON SDS @ EACH CORNER
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CURB SHALL PROVIDE A TIGHT FIT TO COUNTER FLASHING. PROVIDE SPACERS CURB TOP PERIMETER AS REQUIRED
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ALUMINUM SHEET METAL ENCLOSURE WITH MINIMUM OF 0.2 SF OF FREE AREA
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BIRDSCREEN ALL AROUND
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FACTORY CURB TO MATCH ROOF SLOPE
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COMBUSTION AIR INTAKE DUCT; SEE FLOOR PLAN FOR SPECIFIC APPLICATION
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SCALE: DETAIL
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COMBUSTION AIR INTAKE
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M6.1
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2
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VENT BAND
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SUPPORT CABLE (TYP. OF 2)
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ATTACH TO STRUCTURE
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WITH VENT BAND
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SUPPORT COLLAR
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RECOMMENDATIONS
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ROOF PER MANUF.
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VENT HEIGHT ABOVE
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SLOPED ROOF
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FLASHING CONE
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STORM COLLAR
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%%uNOTE:
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MIN HEIGHT 24" ABOVE
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ANY STRUCTURE WITHIN 10'-0"
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VENT CAP STYLE
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WILL VARY WITH
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VENT DIAMETER.
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BELMONT OR
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ROUND TOP
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ACCEPTABLE
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SCALE: DETAIL
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BOILER OR WATER HEATER VENT DETAIL
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M6.1
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5
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MAINTAIN CODE CLEARANCES FROM COMBUSTIBLES.
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UNISTRUT P-1546 (OR APPROVED) ANCHOR. (TYP OF 2)
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AUTO AIR VENT
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AL29-4C VENT MATERIAL FOR BOILERS B-VENT FOR WATER HEATER
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6" COMBUSTION AIR DUCT
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ALL ROOFING WORK SHALL BE PERFORMED BY AN APPROVED ROOFING CONTRACTOR TO MAINTAIN THE OWNERS WARRANTY.
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ALL ROOFING WORK SHALL BE PERFORMED BY AN APPROVED ROOFING CONTRACTOR TO MAINTAIN THE OWNERS WARRANTY.
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4
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M6.1
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ATTACH BOILER TO CONCRETE PAD WITH 3/8" EXPANSION ANCHORS EMBEDDED WITH A MINIMUM OF 2". LOCATE A MINIMUM OF 8 INCHES FROM EDGE OF PAD. TYPICAL ALL CORNERS
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PIPE DRAIN TO FLOOR DRAIN
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2 GALLON POT FEEDER. PIPE DRAIN TO EXISTING FLOOR DRAIN.
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TO EXISTING FLOOR DRAIN
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ATTACH EXPANSION TANK TO FLOOR WITH 3/8" EXPANSION ANCHORS EMBEDDED WITH A MINIMUM OF 2". TYPICAL ALL ATTACH POINTS
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SCHEMATIC
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BOILER CONTROL DIAGRAM
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M6.1
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6
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VFD
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VFD
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B-1
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B-2
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ENABLE/RESET/STATUS
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$
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EXISTING BOILER SHUT-OFF SWITCH (TYP OF 2)
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HP-2
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HP-1
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HWR
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HWS
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BOILER CONTROLLER
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BP-1
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BP-2
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SEE FLOOR PLAN FOR DP SENSOR LOCATION.
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ANALOG
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DIGITAL
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OUTPUT
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ALARM
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INPUT
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DIGITAL
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POINT DESCRIPTION
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ANALOG
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CONTROLS FOR BOILER SYSTEM, SEE 6/M6.1
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HW PUMP COMMAND VFD (TYP OF 2)
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X
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HTG SYS ALARM/FAULT (*)
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X
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X
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HTG SYS ENABLE (*)
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X
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HWS RESET (*)
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X
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BOILER SUPPLY WATER TEMPERATURE *
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X
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HW PUMP STATUS VFD (TYP OF 2)
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X
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X
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HW PUMP SPEED VFD (TYP OF 2)
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X
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BOILER RETURN WATER TEMPERATURE *
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X
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SYSTEM SUPPLY WATER TEMPERATURE *
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X
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SYSTEM DIFFERENTIAL PRESSURE
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X
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BOILER SHUT-OFF SWITCH (TYP OF 2)
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X
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X
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* - VALUES TO/FROM BOILER CONTROLLER
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TREND
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X
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X
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X
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X
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X
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X
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DP
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OUTSIDE AIR TEMP
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X
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X
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2'-0" MIN. TO INTAKE ABOVE ROOF WITHIN 10'-0" OR AS REQ'D TO MAINTAIN DISTANCE/ELEVATION FROM COMBUSTION AIR
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WATER METER. REUSE EXISTING
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1
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-INTEGRATED TO BOILERS. SEE SPECIFICATIONSINTEGRATED TO BOILERS. SEE SPECIFICATIONS
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-OWNER SHALL PROVIDE WIRING AND CONTROL OWNER SHALL PROVIDE WIRING AND CONTROL PROGRAMMING TO SEND/RECEIVE CENTRAL BOILER ENABLE/RESET/STATUS TO BOILER CONTROLLER. ALL OTHER PRIMARY LOOP BOILER CONTROL FUNCTIONS SHALL BE BY CONTRACTOR. WIRING FROM BOILER E-STOP SWITCH, PRIMARY PUMP, SENSORS, & BETWEEN BOILERS IS BY CONTRACTOR.
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-INTEGRAL TO BOILERS. SEE SPECIFICATIONSINTEGRAL TO BOILERS. SEE SPECIFICATIONS
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3
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4
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-VFD PROVIDED & POWERED (LINE VOLTAGE VFD PROVIDED & POWERED (LINE VOLTAGE CONNECTION FROM POWER SOURCE DRIVE & FROM DRIVE TO PUMP) BY CONTRACTOR. LOW VOLTAGE WIRING & PROGRAMMING BY OWNER. CONTRACTOR SHALL PROVIDE FACTORY STARTUP OF DRIVES.
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-HEADER TEMP SENSOR TO PROVIDE BOILER HEADER TEMP SENSOR TO PROVIDE BOILER CONTROL & STAGING TOGETHER W/ REMOTE RESET VALUE.
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5
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-THE CONTRACTOR SHALL INSTALL THE DP SENSOR THE CONTRACTOR SHALL INSTALL THE DP SENSOR PROVIDED BY BSD AS SHOWN IN THE DRAWINGS AND INSTALLED PER MANUFACTURERS GUIDELINES. BSD WILL WIRE IT INTO THE CONTROLS SYSTEM.
