089495-25-A-0022 F07 Summary of Work.pdf
PDF 83 KB Posted
- Attached to
- Charleston WV: Roof Replacement
- Solicitation number
- 089495-25-A-0022
- Issued by
-
United States Postal Service
About this file
This is a Summary of Work document for a USPS roof replacement project at the Charleston, WV P&DC facility (USPS Project No. K46478). The scope includes removing existing roof systems down to the structural deck in Areas A and B, including membranes, insulation, and underlayments.
The contractor must provide two layers of 2-1/2 inch polyisocyanurate insulation (5-inches total), a 1/2-inch high-density polyisocyanurate cover board, and install a fully-adhered 80-mil PVC roof system meeting ASTM D4434, Type III specifications. Additional work includes providing temporary interior protection, handling potential asbestos-containing materials, refastening structural decks, wood blocking installation, and installing a sheet metal wall panel system on Area B's high wall (approximately 12,000 square feet). The contractor must provide all materials, labor, tools, equipment, and services necessary for completion. The project requires coordination with local codes and regulations, with the more stringent standards taking precedence in cases of conflict between contract documents and governing codes.
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Text version
011000-1
USPS – P&DC Date: 07/03/2024 SUMMARY OF WORK Roof Replacement Charleston, WV USPS Project No. K46478
SECTION 011000
SUMMARY OF WORK
PART 1 - GENERAL
1.1 SCOPE
A. The Contractor must provide all material, labor, tools, supplies, equipment, transportation, superintendence, temporary construction of every nature, and all other services and facilities necessary to complete the specified work, including all incidental work described in the contract documents. For purposes of this construction project, the terms “Offeror” and “Contractor” are interchangeable and refer to the party whose proposal is accepted by the Postal Service. It is the Owner’s sole responsibility to clarify design and construction responsibilities among the Owner’s designers, contractors and other agents.
B. The scope of work is listed within Articles 1.2 and 1.3 of this Section.
C. All work shall be in accordance with applicable codes and local regulations that may apply. In case of conflict in or between the Contract Documents and a governing code or ordinance, the more stringent standard shall apply.
D. In case of conflict between the Project Manual and Project Drawings, the more stringent requirement shall apply.
1.2 SUMMARY OF ROOF REPLACEMENT WORK – AREAS A AND B
A. Provide an alternate price for temporary interior protection. Refer to Section 015617.
B. Asbestos laboratory analysis report: Refer to Section 022623 for information relating to the location of ACM, if applicable, within project areas. If positive refer to Sections 013543 and 028233 for procedures and requirements related to the removal and disposal of non-friable asbestos related to this project.
C. Roof removal and substrate preparation: Remove existing roof system down to the structural deck, including roof membrane(s), and underlying insulation, underlayments, and additional roof membranes. Inspect the existing structural deck and inform the Owner immediately of observed damage and or deterioration. Temporarily displace rooftop equipment as necessary to complete the specified work. Refer to Section 024100.
D. Provide an alternate price for complete refastening of existing structural decks; provide a unit price for areas of existing structural deck that require refastening. Note that refastening of perimeter wood blocking is required. Refer to Section 053123 for re-fastening requirements.
E. After roof removal and inspection of the existing structural deck and perimeter wood blocking, perform repairs to the structural deck, as determined necessary by the Owner. Refer to Section 053123.
F. Provide required wood blocking where indicated on the project drawings. Refer to Section 061053.
011000-2
USPS – P&DC Date: 07/03/2024 SUMMARY OF WORK Roof Replacement Charleston, WV USPS Project No. K46478
G. Provide two layers of 2-1/2 inch polyisocyanurate insulation (5-inches total). If indicated on the project drawings, provide insulation saddles and crickets where shown. Refer to Section 072223 for additional insulation product and installation requirements.
H. Provide a 1/2-inch high-density polyisocyanurate cover board over the underlying insulation.
Refer to Section 072223 for additional product and installation requirements.
I. Provide a fully-adhered, minimum 80-mil PVC roof system meeting ASTM D4434, Type III. After installation of specified insulation and cover board, install the PVC roofing membrane in bonding adhesive. Provide PVC and sheet metal flashings as specified. Provide an alternate price for a 20-Year, “Total System Warranty” for the roof system. Refer to Sections 075419 and 076207 for product and installation requirements.
J. Provide sealants at locations indicated on the project drawings. Refer to Section 079201.
1.3 SUMMARY OF ADDITIONAL PROJECT WORK
A. Area B: At the high wall surrounding Area A (approximately 12,000 square feet, field-verify total amount), provide a sheet metal wall panel system. Refer to Section 076207 and the project drawings for product and installation requirements.
PART 2 – PRODUCTS
NOT USED
PART 3 – EXECUTION
NOT USED
END OF SECTION
USPS Master Specifications, issued: 10/1/2017 Last revised: 12/13/2017
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