Addendum No. 1 page 1

Project: 2020 Facility Improvements Paoli Jr-Sr High & Throop Elementary Paoli, Indiana

Project No: 1921.02/.03

Date: April 21, 2020

This addendum is a part of the bid documents. Acknowledge receipt on the Proposal Form.

Pre-Bid Conference

1. Due to Governor Holcomb’s extension of executive order, the Pre-Bid Conference will be held virtually via Zoom. All Individuals registered on the bid site at KovertHawkins.com will receive an invitation the day before. The invitation will NOT be posted on the website.

2. Inspection of the existing conditions has been scheduled as follows: Wednesday, April 29, 2020: 1:00 p.m. until 3:30 p.m. Friday, May 1, 2020: 9:00 a.m. until 11:30 a.m.

Drawings

1. Drawings A-301, A-302, A-303, A-304 and A-305 are issued by this addendum and to be included with all other drawings of the project bid.

Prepared by,

Hal E. Kovert, AIA Principal

enclosed: Drawings A-301, A-302, A-303, A-304 and A-305 file: 1921.02/.03/E-1

Total Pages: (6) Six (including the A-300 drawings)

End of Addendum No. 1

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The Architect/Engineer does not define the scope ofindividual trades, subcontractors, material suppliers, orvendors. Any sheet numbering system used which identifiesdisciplines is solely for the Architect/Engineer'sconvenience, and is not intended to define asubcontractor's scope of work. Information regardingindividual trades, subcontractors, material suppliers, andvendors may be detailed, described and indicated atdifferent locations throughout these documents. Noconsideration will be given to requests for change ordersfor failure to obtain and review the complete set ofdrawings and specifications when preparing bids, prices,and quotations.

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KovertHawkins ArchitectsALL RIGHTS RESERVED

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A-301

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.03

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TAPERED INSULATION ROOF SLOPE

EXISTING STRUCTURAL ROOF SLOPE

Roof Plan LegendSLOPE

Roof Plan Notes1

2

4

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6

EXISTING PRECAST CONCRETE ROOF DECK.STRUCTURE LEVEL, TAPERED INSULATION

7

EXISTING AREAS OF PONDING WATER

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General NotesSCOPE OF WORK IS A REMOVAL OF EXISTING ROOF MEMBRANE ONLY,DOWN TO INSTALLATION AND THE INSTALLATION OF A NEW MEMBRANEROOF SYSTEM WITH 30-YEAR NDL WARRANTY

1.

THE ENTIRE BUILDING WAS PREVIOUSLY RE-ROOFED IN 2005 DOWN TODECK.

2.

MOST AREAS HAVE POSITIVE DRAINAGE. HOWEVER A FEW AREAS WILLREQUIRE SOME ADDITIONAL TAPERED INSULATION TO ELIMINATE PONDING.ENTIRE EXISTING INSULATION, AND NEW TAPERED WHERE REQUIRED, TORECEIVE A NEW COVER BOARD PRIOR TO INSTALLATION OF NEWMEMBRANE

3.

CONTRACTOR TO COORDINATE ALL ROOFING DETAILS WITHMANUFACTURER TO INSURE COMPLIANCE FOR THE 30-YEAR NDLWARRANTY.

4.

16 PHOTO IMAGE (IMAGE # & VIEW)

EXISTING HVAC ROOFTOP UNIT

1 1 1 1 1

EXISTING CONDENSATE DRAIN LINE. AFTER NEW MEMBRANE INSTALLED,ADJUST PIPING AS REQUIRED TO MOUNT PIPE ON "STANDOFFS" VS JUSTLAYING ON THE ROOF MEMBRANE. METHOD AND DETAIL TO BE PERMEMBRANE MANUFACTURER'S REQUIREMENTS FOR WARRANTY

2 2 2

1

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EXISTING EXHAUST FAN ON CURB

45

EXISTING PLUMBING VENT

6

REMOVE AND REPLACE EXISTING GUTTER AND DRIP EDGE. NEW GUTTERPROFILE TO MATCH THAT OF GUTTER REMOVED

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7

REMOVE AND REPLACE EXISTING DOWNSPOUT. NEW DOWNSPOUT SIZE &PROFILE TO MATCH THAT OF DOWNSPOUT REMOVED

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AFTER NEW MEMBRANE INSTALLED, FURNISH AND INSTALL NEW SCHEDULE40 PVC CONDENSATE DRAIN PIPE. CONNECT TO HVAC UNIT AND EXTENDTO GUTTER. MOUNT PIPE ON "STANDOFFS". METHOD AND DETAIL TO BEPER MEMBRANE MANUFACTURER'S REQUIREMENTS FOR WARRANTY

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EXISTING RELIEF HOOD ON CURB

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EXISTING PITCH POCKET FOR PHOTO CELL

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11 EXISTING EXHAUST DUCT

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EXISTING EMERGENCY SMOKE VENT

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EXISTING HVAC PIPING THAT WILL REMAIN. AFTER NEW MEMBRANEINSTALLED, ADJUST PIPING AS REQUIRED TO MOUNT PIPE ON "STANDOFFS"VS JUST LAYING ON THE ROOF MEMBRANE. METHOD AND DETAIL TO BEPER MEMBRANE MANUFACTURER'S REQUIREMENTS FOR WARRANTY

14EXISTING HOLLOW METAL DOOR AND FRAME TO BE REPLACED WITH NEWHOLLOW METAL DOOR AND FRAME AND NEW THRESHOLD. FLASH UNDERTHRESHOLD

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15 REFRIGERATION UNITS FOR WALK-IN FREEZER AND COOLER. UNITSMOUNTED ON TREATED 4 x 4

16 DOG HOUSE BOX FOR ROOF PENETRATION OF ELECTRIC POWER ANDCONTROLS

15 15

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17 EXISTING ROOF HATCH TO BE REPLACED WITH NEW PREFABRICATEDALUMINUM ROOF HATCH AND CURB. SEE SPECS

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101010

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ALTERNATE No. T-1:NEW HVAC ROOFTOP UNIT ON PREFABRICATED CURB. INCLUDES CUTTINGROOF OPENINGS THROUGH PRECAST CONCRETE AND INSTALLATION OFSTEEL FRAME HEADER SUPPORT FRAMING FOR OPENINGS. SEE 2/A-302

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21 NEW HVAC ROOFTOP UNIT ON PREFABRICATED CURB. THIS WORKINCLUDED IN BASE BID

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DEMOLITION OF EXISTING HVAC PENTHOUSE ENCLOSURE. REMOVAL OFROOF AND 3 WALLS DOWN TO EXISTING CONCRETE SLAB. SLAB TO REMAIN.SALVAGE METAL WALL PANELS TO BE RE-INSTALLED ON EXPOSED WESTWALL AFTER PENTHOUSE DEMOLISHED. SEE 1/A-302

23NEW 2" + 2" MIN. TAPERED ROOF INSULATION + COVER BOARD AND NEWMEMBRANE OVER EXISTING CONCRETE SLAB AFTER PENTHOUSE REMOVED.SEE 1/A-302

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ALTERNATE No. T-2:NEW HVAC ROOFTOP UNIT ON PREFABRICATED CURB. INCLUDES CUTTINGROOF OPENINGS THROUGH PRECAST CONCRETE AND INSTALLATION OFSTEEL FRAME HEADER SUPPORT FRAMING FOR OPENINGS. SEE 2/A-302

ALTERNATE No. T-3:NEW HVAC ROOFTOP UNIT ON PREFABRICATED CURB. INCLUDES CUTTINGROOF OPENINGS THROUGH PRECAST CONCRETE AND INSTALLATION OFSTEEL FRAME HEADER SUPPORT FRAMING FOR OPENINGS. SEE 2/A-302

SLOPE SLOPE

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EXISTING METAL ROOF DECK OVERSTEEL JOISTS

24REMOVE EXISTING CAULKING AND CLEAN METAL PANEL-TO-BRICK JOINT ATBRICK PILASTERS ON GYM. INSTALL NEW BACKER ROD AND SEALANT ATALL BRICK COLUMNS ON ALL SIDES OF GYM

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The Architect/Engineer does not define the scope ofindividual trades, subcontractors, material suppliers, orvendors. Any sheet numbering system used which identifiesdisciplines is solely for the Architect/Engineer'sconvenience, and is not intended to define asubcontractor's scope of work. Information regardingindividual trades, subcontractors, material suppliers, andvendors may be detailed, described and indicated atdifferent locations throughout these documents. Noconsideration will be given to requests for change ordersfor failure to obtain and review the complete set ofdrawings and specifications when preparing bids, prices,and quotations.

Notice

630

Wal

nut

Stre

etJe

ffer

sonv

ille,

IN 4

7130

812.

282

. 95

5481

2. 2

82.

9171

FAX

ww

w.k

over

thaw

kins

.com

KovertHawkins ArchitectsALL RIGHTS RESERVED

c

A-302

1921

.03

04/1

0/20

20

AC,

HK

HK

1 2 3 4 5 6

full size plot scale: 0North

Roof Photo Images Key Plan

10'-0"1"=20' 20'-0"

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2020

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full size plot scale: 1/2"=1'-0"A-302

1 Mechanical PenthouseDemolition

REMOVE ROOF STRUCTURE, INSULATION & MEMBRANEBACK TO WALL OF MULTIPURPOSE ROOM

REMOVE WALL STRUCTURE & INSULATION ON THREESIDE BACK TO WALL OF MULTIPURPOSE ROOM

REMOVE & SALVAGE FOR REUSE, METAL WALL PANELS

NEW ROOF MEMBRANE

(1) LAYER OF 2" RIGID + 2" MIN TAPERED ISO INSULATION + ONE LAYEROF COVER BOARD INSTALLED OVER EXISTING CONCRETE FLOOR

EXISTING CONCRETE SLAB TO REMAIN

EXISTING STEEL CHANNEL AT PERIMETER OF FLOOR TO REMAIN

2 x 4 KNEE WALL

1/2" PLYWOOD

NEW COVER BOARD OVEREXISTING RIGID INSULATION

EXISTING INSULATION

EXISTING MTL DECK

EXISTING STEEL JOIST

EXISTING CMU LOAD BEARINGWALL

Mechanical Penthouse

Corridor D-101

Multi-Purpose D-109

Classroom C-102

NEW ROOF MEMBRANE

EXISTING STEEL BEAM FLOOR JOIST

EXISTING CMU LOAD BEARING WALL

ZIP PANEL INSULATED SHEATHING(1/2" OSB + 1" RIGID INSULATION)SECURED TO EXISTING CMU WALL

INSTALL SALVAGED METAL WALLPANELS OVER ZIP PANELS

PREFINISHED METAL FASCIA

2 x 4 KNEE WALL

EXISTING RIGID INSULATION

NEW COVER BOARD

NEW ROOF MEMBRANE

EXISTING CMU WALL TO REMAIN

full size plot scale: 1/2"=1'-0"A-302

2 for Precast Roof OpeningDouble Ear Hanger

4" x 12" x 3/8" THICK STEEL PLATE

3/8" THICK STEEL SPACER PLATE

5" x 4" x 3/8" STEEL ANGLE

4" MIN. BEARING ON ADJACENT PRECAST

PRECAST PANEL JOINT

1. ALL HANGER COMPONENTS TO BE SHOP FABRICATED WITH FULL PENETRATIONWELDS. APPLY SHOP PRIMER AND TWO COATS OF ENAMEL PAINT

2. COORDINATE ALL ROOF OPENINGS WITH SPECIFIC HVAC EQUIPMENT BEINGINSTALLED

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2018 KovertHawkins ArchitectsALL RIGHTS RESERVED

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1921

.03

04/1

0/20

20HK

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ww

w.k

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2018 KovertHawkins ArchitectsALL RIGHTS RESERVED

c

A-304

1921

.03

04/1

0/20

20HK

HK

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roop

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2018 KovertHawkins ArchitectsALL RIGHTS RESERVED

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1"=1

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1921

.03

04/1

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