Attachment 23 - A-903.pdf
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- Solicitation number
- 36C77625B0011
About this file
The document is a roofing details drawing (A-903) for the EHRM Infrastructure Upgrades project at the VA Illiana Healthcare System in Danville, IL. The drawing provides technical specifications for deck type fasteners, pressure plates, and roof support systems, including mechanical unit supports, roof decking infill details, and pipe/conduit flashing details. The drawing is part of the bid documents for a fully sprinklered construction project, with consulting firms IMEG, Alesia, and Terracon involved, and VCI Project Management as the engineering and construction management team. The drawing is dated 8/1/2025 and includes multiple technical illustrations and photographs demonstrating roof support and installation techniques.
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Text version
C
DECK TYPE
FASTENER & PRESSURE PLATE TYPES FOR
DIFFERENT ROOF DECKS
OPTION FASTENER PLATE
56 Louis Prima Dr., Suite B, Covington, LA 70433 504.684.4408
VCIProject Management Construction Management Engineering
VA FORM 08 - 6231
A
U.S. Department of Veterans Affairs
B
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A
B
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21 4 5 6 7 8 9 10
STAMP:
321 4 5 6 7 8 9 10
DOUG ELIA
U.S. DEPARTMENT OF VETERANS AFFAIRS - ILLIANA HEALTHCARE SYSTEM
Cell: (217) 510-5945 Email: douglas.elia@va.gov
UNITED STATES
DEPARTMENT OF
VETERANS AFFAIRS
8/1/2025
Project Number:
Building Number:
Drawing Number:
Project Title:
Location:
Issue Date: Checked: Drawn:
Drawing Title:
Approved Project Director:
Phase:
FULLY SPRINKLERED
BID DOCUMENTSARCHITECT / ENGINEER OF RECORD:CONSULTANTS:
DATE:REVISIONS: ; Sean Fitzpatrick or John Vollman
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A-903
ROOFING DETAILS 550-21-700EHRM INFRASTRUCTURE UPGRADES
DANVILLE FHCS
Danville, IL
ALL
3" = 1'-0"B1 PREFABRICATED ROOF CURB FLASHING DETAIL
3" = 1'-0"B3 FIELD FABRICATED PIPE/CONDUIT FLASHING DETAIL
NTSD1 ROOF CADDY OR EQUAL CONDUIT SUPPORTS PER PLAN NOTES
NTSE1 ADHERED DIAGONAL BRACING PER MANUFACTURER
NTSD4 ROOF CADDY OR EQUAL MECH UNIT SUPPORTS PER PLAN NOTES
3" = 1'-0"B5 ROOF DECKING INFILL DETAIL
JV SF
AMENDMENT -1 8/1/2025
AutoCAD SHX Text NOTES: 1. APPROVED FASTENERS APPROVED FASTENERS 2. MECHANICAL SECUREMENT MAY BE MECHANICAL SECUREMENT MAY BE INSTALLED INTO THE VERTICAL SUBSTRATE. 3. WHEN USING 80 MIL THICK CURB WHEN USING 80 MIL THICK CURB FLASHING, THE INTERSECTIONS BETWEEN SPLICES MUST OVERLAID WITH A TPO "T-JOINT" COVER. 4. APPROXIMATELY 1/8" DIAMETER APPROXIMATELY 1/8" DIAMETER BEAD OF CUT-EDGE SEALANT IS REQUIRED ON CUT EDGES OF REINFORCED TPO MEMBRANE.
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USE ONE CONTINUOUS SHEET OF REINFORCED TPO MEMBRANE TO WRAP AROUND CURB.
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TPO REINFORCED MEMBRANE
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FASTENER & SEAM FASTENING PLATE, MAX. 12" O.C.
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CUT EDGE SEALANT
AutoCAD SHX Text HOT AIR WELD, 1-1/2" (4cm) MIN.
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T-JOINT COVER
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TPO BONDING ADHESIVE
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SEE INSET ON LEFT
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COUNTER FLASHING WITH WATERPROOF JOINERY & ATTACHMENT (BY OTHERS)
AutoCAD SHX Text 3" (7.6cm) MIN.
AutoCAD SHX Text 12" (30.5cm) MIN.
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EPDM GASKET
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INJECT WATER CUT-OFF MASTIC THRU. PREDRILLED PILOT HOLE
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MAY VARY
AutoCAD SHX Text NOTES: 1. REMOVE ALL EXISTING LEAD AND FLASHING MATERIAL REMOVE ALL EXISTING LEAD AND FLASHING MATERIAL BEFORE INSTALLING FIELD FABRICATED PIPE FLASHING. 2. TEMPERATURE OF THE PIPE PENETRATION MUST NOT TEMPERATURE OF THE PIPE PENETRATION MUST NOT EXCEED 160°F.3. TPO NON-REINFORCED FLASHING WRAPPED AROUND TPO NON-REINFORCED FLASHING WRAPPED AROUND PIPE SHALL HAVE MINIMUM 1-1/2" VERTICAL HOT AIR WELD. INSTALL A MINIMUM OF 4 SEAM FASTENING INSTALL A MINIMUM OF 4 SEAM FASTENING PLATES FOR PIPES WITH A DIAMETER UP TO 6" . ADDITIONAL SEAM FASTENING PLATES WILL BE REQUIRED FOR PIPES GREATER THAN 6" IN DIAMETER AND SHALL BE SPACED 12" ON CENTER MAXIMUM. 4. FASTENERS/PLATES ARE NOT REQUIRED ON ADHERED FASTENERS/PLATES ARE NOT REQUIRED ON ADHERED SYSTEMS UNLESS PIPE DIAMETER EXCEEDS 18" 5. APPROXIMATELY 1/8" DIAMETER BEAD OF CUT-EDGE APPROXIMATELY 1/8" DIAMETER BEAD OF CUT-EDGE SEALANT IS REQUIRED ON CUT EDGES OF REINFORCED TPO MEMBRANE.
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MIN.
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DIMENSIONS
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AutoCAD SHX Text 1-1/2"
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TO
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AutoCAD SHX Text 12"
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APPROX.
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MIN.
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FASTENER & SEAM FASTENING PLATE, MAX. 12" O.C.
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TPO NON- REINFORCED FLASHING
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CUT-EDGE SEALANT
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XXXX
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WATER CUT-OFF MASTIC
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STAINLESS STEEL CLAMPING RING BY OTHERS
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XXXX
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HOT AIR-WELD, 1-1/2" MIN.
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COLD PIPE
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REINFORCED TPO
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STEEL OR WOOD
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HP-X
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STRUCTURAL CONCRETE
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HP-XTRA
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CD-10
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HD 14-10
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PIRANHA
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PIRANHA
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PIRANHA
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PIRANHA XTRA
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HOT AIR-WELD, 1-1/2" MIN.
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EXISTING ROOF MEMBRANE
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EXISTING ROOF MEMBRANE
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FASTENER & SEAM FASTENING PLATE, MAX. 12" O.C.
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CUT-EDGE SEALANT
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HOT AIR-WELD, 1-1/2" MIN.
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REINFORCED TPO
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EXISTING ROOF MEMBRANE, INSULATION AND ROOF DECKING
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CUT-EDGE SEALANT
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HOT AIR-WELD, 1-1/2" MIN.
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REINFORCED TPO
AutoCAD SHX Text NEW ROOF DECK INFILL TO MATCH EXISTING. LAP 6" MIN. OVER EXISTING AND SCREW OR TACKWELD AT 8" O.C. MIN.
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NEW RIGID INSULATION TO MATCH EXISTING
NEW ROOF MEMBRANE TO MATCH EXISTING
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