Attachment 35 B61 CLIN 0001 Base SOW REVISION.pdf

Statement of Work (SOW) Contract - TBD– TO# TBD Repair Various Roofs – B61

08 Aug 2026

CLIN 001

I. Purpose:

Provide all material and labor to demolish existing roof, as the modified bitumen roof that is existing has come to the end of its serviceable life and is in need of replacement

II. Scope or Mission:

Under this RFP, the contractor shall supply all tools, qualified labor, materials, equipment, supplies and supervision necessary to demolish the existing roof system(s), flashings, sheet metal drip edge, and rotted nominal lumber and replace with like in kind for a weather tight roof with a 20 year NDL (No Dollar Limit) warranty from the manufacturer. All work shall be accomplished in strict compliance with all applicable federal, state, and local regulations, as well as manufacturer specifications and the requirements contained within all of the supplied contract documents and specifications. All equipment and materials shall be submitted for Government approval prior to procurement and installation. All construction activities associated with this solicitation shall be per the most recent NRCA, ICC and IBC building codes for the Charleston, SC region. All safety related activities associated with this solicitation shall be followed per OSHA and EM385 1-1 safety protocols, whichever is more stringent.

The contractor shall be responsible for restoring construction site to its original or better condition.

Any damage done by the contractor or subcontractor to any existing pier, vessel, pavement, buildings, fences, curbs, streets, driveways, sidewalks, landscaping, utilities, structures, and other improvements shall be the sole responsibility of the contractor to repair or replace at the discretion of the Contracting Officer

III. Period of Performance:

120 days after approval of material submittals (30 days after award)

IV. Background:

The Government has identified the roof at B61 as being at the end of its serviceable life and is in need of replacement. The roof has severe blistering throughout and is leaking in many places due to the age of the existing modified bitumen roof system. The deficiencies in the existing B61 roofing system are outlined in the attached roofing survey. All deficiencies in the attached roofing survey shall be addressed. Attached roof survey does not capture all deficiencies and contractor shall use it as a reference for bidding purposes for full replacement of all roofs associated with B61.

Repair Various Roofs – B61

V. Performance Objectives:

a. Contractor shall conduct a limited lead based paint and asbestos survey on ALL construction materials that will be disturbed under this solicitation to ensure no ACM (Asbestos Containing Material) or LBP (Lead Based Paint) are present. Submit Limited ACM and LBP environmental survey to the Government for review.

b. Demolish existing modified bitumen roofing system, or any other systems that are present, to include cap sheet, base sheet, all insulation, all fasteners, sealants, all sheet metal flashings associated with roof work, all poly iso insulation layers and cover boards to expose the roof decking for inspection. Replace any roof decking that is rusted or in need of repair. Government estimates that 10 % of roof decking will need to be replaced. Any excess shall be a credit to the Government

c. B61 is a complete roofing system replacement, no infrared moisture survey is required by the Government

d. All lightning protection systems that are removed during construction shall be re-installed by a company with a certified lightning protection engineer that can certify the system and provide documentation that the system is functional after re-installation. All lightning protection work shall follow NFPA 780 standards that outline the installation of lightning protection systems

e. Contractor shall repair all areas where adjacent roof, parapet, or roof to wall framing has been compromised, failed, is rotten, rusted through or is missing. Contractor shall supply and install new framing materials that match existing adjacent materials. Roofing materials shall be installed per ICC and IBC building codes

f. Contractor shall install new roofing system per manufacturer’s specifications. Contractor is responsible for all measurements and calculations for proposal purposes.

g. Demolish any existing roof penetrations that can be demolished not to return. Repair roof with like in kind decking material, roof system, and fasteners per manufacturer specifications. Work with Government PM/CO to figure out which penetrations can be demolished.

h. Contractor to submit site specific 35% design with details for B61, include industry standard design details (wind uplift calculations, cricket design, terminations, expansion joints, flashing details, roof system cross section, parapet detail, curb detail, coping/flashing details, etc)

i. Contractor shall provide and install one (1) new access hatch that is like in kind to existing at each building where required on this solicitation. Access hatch shall be installed prior to mod bit roofing system and shall be flashed with similar material as existing roofing system.

j. Contractor shall demolish one (1) existing roof access ladders on the West side of B61 and replace with new OSHA approved access ladder with a cage and platform that is fastened to structural

Repair Various Roofs – B61 members of B61 roof. Fasteners shall be properly sized for weight load of ladder. Location of new access ladder TBD by Government. Ladder shall be painted with a high-quality industrial enamel designed for exterior use, color to be Safety Yellow.

k. Contractor shall trim all trees overhanging any roof on this solicitation to an appropriate distance away from the roof surface or building. Consult with KO/COR prior to trimming any trees or bushes.

l. Contractor shall provide and install new cold applied modified bitumen roofing system to comprise of a one for one, like in kind, replacement of existing layers of equivalent poly iso insulation, 1 – ½ inch cover board (cover board to be DensDeck or equivalent), new cant strips, base sheet, cap sheet, adhesive, and any applicable metal flashings (termination bar, coping, gravel stop, fascia, z flashing, drip edge, wall to roof flashing) to deliver a watertight roofing system with 20 year NDL warranty on all roofs associated with B61. All products utilized in roofing system shall be per manufacturers specifications. All products utilized in roofing system shall be Soprema, Johns Manville, GAF, or equivalent. Contractor shall formally submit a minimum of five (5) roofing manufacturer inspection reports to the Government. Government shall be in attendance of manufacturer inspections.

m. Contractor shall, wherever it exists, remove all existing sealant from the joint on the small concrete deck just below the roof, pressure wash the small concrete deck. Contractor shall then re-seal wall to concrete deck joint with appropriate backer rod and polyurethane joint sealant to form a water tight seal around the entire perimeter of the building where concrete deck exists.

n. Contractor shall apply wall coating to match building brick color as close as possible on South side entrance (approx. 500 SF) in order to stop water infiltration into building through masonry.

Contractor shall repair masonry in this area as needed to stop water infiltration.

o. At B61, if the stainless steel flashings are in good condition and can be re-used, contractor to salvage to the greatest extent possible. Where stainless steel flashings are not re-usable, contractor to replace with like in kind material. Government to make final determination on what flashings are to remain and which need to be replaced.

p. All existing wall to roof flashings that are to be re-used shall be re-sealed with the proper sealant per industry standards. Existing sealant shall be removed prior to applying new sealant. All roof penetrations that are to remain, shall be flashed and sealed per manufacturer specifications. All other sheet metal flashings associated with roof work shall be new, like in kind material.

q. Contractor shall replace all exhaust/drain pipe boots with new like in kind exhaust/drain pipe boots.

All drain/exhaust pipe boots shall be flashed per manufacturer specifications.

r. Contractor shall ensure proper positive slope and drainage on all roofs in this solicitation in accordance with industry standards. Poly iso insulation may have to be tapered or crickets, and/or

Repair Various Roofs – B61 pitch pockets installed in specific locations to achieve positive drainage. All existing roof drain assemblies shall be replaced with like in kind materials.

s. At B61, all existing stainless steel gutters that can be re-used shall be. Contractor to repair any downspouts, gutters, hangers, leaking joints with like in kind materials to deliver a water tight gutter system to the Government. Contractor shall clean gutters prior to completion of roof to remove all debris

t. Contractor shall replace all rotten lumber encountered during roof demolition with new like in kind pressure treated nominal lumber. Replacement of nominal lumber to include all bracing, supports, cleats, nailers, coping, framing, etc. Contractor shall assume 1500 board feet at B61 is in need of repair or replacement, any excess shall be a credit to the Government.

u. Contractor shall remove via suspected asbestos abatement procedures the transite panels on the lower roof on the North side of B61, approximately 5000 square feet of suspected asbestos containing transite paneling. All ACM abatement activities shall be per local, state, and Federal codes and safety measures. Contractor shall install metal wall panels, approximately 5000 square feet, in the same location where transite panels were removed, matching the profile of the transite panels as close as possible. Panels shall be secured per manufacturer specifications.

v. Provide and install warranty placard as outlined in specifications, location TBD by COR

VI. Operating Constraints:

a. Reference specifications provided

i) 07 01 50.19 Preparation for Re-Roofing

ii) 07 22 00 Roof and Deck Insulation

iii) 07 52 00 SBS Mod Bit Membrane Roofing

iv) 07 60 00 Flashing and Sheet Metal

v) 07 71 00 Roof Specialties

vi) 07 84 00 Firestopping

vii) 07 92 00 Joint Sealants

VII. Attachments:

a. B61 Roof Survey

Repair Various Roofs – B61

VIII. Submittals:

a. Progress/Construction Schedule

b. Activity Hazard Analysis

c. Product Data/SDS’s

d. Flashing Material

e. Pressure Treated Lumber

f. Gutters and Downspouts

g. Roof System (insulation, base sheet, cap sheet, adhesive)

h. Fluid applied roofing system

i. Fasteners with Plates

j. Sealants (to include firestopping)

k. Cant Strips

l. Ladder Shop Drawings

m. Anchors for Ladder

n. Paint (Safety Yellow – Enamel)

o. Block Filler

p. Access Hatch

q. Exhaust/Drain Pipe Boots

r. 35% Design

s. Manufacturer Inspection Reports

t. Crane Lift Plan

u. Fall Protection Plan

v. Manufacturer Material Cut Sheets & Instructions

w. Test Reports, Wind Uplift Calculations

x. Closeout Documents (Section XI/Warranty)

IX. Environmental:

a. Toxic Substances Control Act of 1976

X. Safety:

a. Lock-out/Tag-out required prior to performing any electrical work.

b. Hot work permit required if cutting, welding, grinding, etc.

c. Crane lift plan required where applicable

d. EM 385 1-1 Fall Protection Plan Required (site specific for each roof)

e. Submit Activity Hazard Analysis (AHA) for activities not covered in the Contractor’s Accident

Prevention Plan (APP).

XI. Closeout Documents:

a. Equipment specifications

b. Operation & maintenance manuals (O&Ms)

Repair Various Roofs – B61

c. Spare parts material list

d. Warranties