SOW - Bldg. 887 Roof Repair.pdf

STATEMENT OF WORK (SOW)

Project Number, Title: VGLZ202017 Repair Roof B/887 Munitions Shop 29 Jan 2020

The General Specifications and Selfridge Design Standards apply to this Statement of Work (SOW). The work shall be in strict compliance with those specifications and the requirements identified in this SOW and its attachments.

Sections of this SOW may supersede the requirements of the specifications, in which case the more stringent/higher quality requirements shall apply. The number of pages in this SOW, including attachments, is 5.

1. This SOW provides for repair to B/887 Munitions Shop Roof, is divided into two categories as follows but is not limited to:

I. Lightning Protection System (LPS) Work

A. B/887 Munitions Shop is equipped with newly installed lightning protection systems (LPS), which have been certified following their installation. (SEE ATTACHED DRAWINGS)

B. It is assumed that the installation of the EPDM single ply membrane roof will require the removal of all or a portion of the LPS. Any work to the roof that disturbs/or removes any portion of the LPS shall require that the system is reinstalled and recertified in compliance with the following regulations and instructions.

APPLICABLE STANDARDS: Latest published versions shall be used

A. Mil-std-188-124B

B. NFPA780

C. NFPA 70 (NEC Article 90-820)

D. Air Force Instruction 32-1036

E. Air Force Instruction 32-1065

F. UFC-3-575-01

G. National Electric Safety Code (ANSI C2).

H. International Building Code (IBC).

I. Uniform Federal Accessibility Standard (UFAS)

J. Applicable State, City and County codes and regulations.

K. Occupational Safety and Health Administration standards

L. Michigan Occupational Safety and Health Administration standards

C. Contractor shall perform third party testing on the LPS system and provide documentation of the testing to the Government following the reinstallation of the LPS on the newly installed roof.

D. Stamped drawings by a Professional Engineer (P.E.) or a Registered Architect (R.A.) are not required for this project.

E. Hardware and equipment for LPS systems shall be comprised of new products the manufacturer is currently manufacturing, have spare parts available for at least five years after completion of contract.

F. Operation and Maintenance Manuals for LPS shall be provided, to include (but not limited to) spare parts list, operator’s manual, and contractors’ contact information. Include 3 binders to contain all the information/ warranties and one electronic copy.

STATEMENT OF WORK (SOW)

G. Warranty: Contractor shall provide a one-year warranty on workmanship of the entire project in addition to any manufacturer’s warranty on materials installed. The contractor will provide any commercial warranty on materials or equipment included in the construction that exceeds this one-year, all-inclusive warranty. The commercial warranty will be issued to the Government.

II. Roofing Work

A. Contract shall repair the following roof areas (refer to attached drawing)

50’ x 80’ Built-up roof – Approximately 4,000 sf

B. Contractor shall remove the existing built-up roof system down to the structural deck, including the removal of the gravel stop.

C. Contractor shall repair structural decking as required and re-secure the deck to structure. It is estimated that up to 35% of the structural deck may require repair.

D. Contractor shall repair/modify parapet wall supports as required to prepare them to accept EPDM.

E. Existing gutters shall be retained for reuse.

F. Contractor shall install a minimum of 3” of fully adhered poly ISO insulation, topped by cover-board.

Insulation and cover-board is to provide positive drainage to the gravel stop edge.

G. Contractor shall install fully adhered 90-mil EPDM membrane roof over. EPDM is to wrap over parapet cap, turn down the vertical face of the building envelope and extend 3” down the face of the building.

EPDM to turn down vertical face of building envelope and extend 3” down face of building at the location of the gravel stop edge.

H. New fascia to be installed over EPDM. Transitions between materials shall be flashed and sealed as applicable.

I. Provide drip edge, counter flashing, and fascia as required.

J. Contractor shall inspect, clean, repair and test roof drainage system components, as required.

K. Following repair contractor shall complete a water test, and provide a report as proof that the roofing assembly is preventing water from infiltrating the building.

L. Contractor shall provide a warranty for the repair. Warranty period shall be in line with the manufactures warranty guidelines. Repair methods shall target a 20 year warranty period.

2. Additional specifications for materials or requirements not included in the specifications:

A. See Selfridge Design Standards.

3. The following attachments are included in this SOW:

1. B/887 Lightning protection drawing dated 08 Dec 2012

2. B/887 roof inspection dated Nov 2019