SOW - B-3294 and B3284 Roof Repair 07 June 2022.docx

Project: B3294 and B3284 Roof Repairs Location: ERDC Vicksburg, MS Scope of Work

Item 1: B-3294 Gutter Replacement Scope:

The contractor shall provide all management, quality control, labor, supervision, parts, materials, tools, equipment, safety, and supplies, necessary to remove and replace the gutter system for B-3294 at the ERDC Vicksburg, MS. Work shall be all inclusive and work shall be completed efficiently, safely, and its quality shall be held to the highest standard. Any damage caused by the contractor shall be repaired to as before, or better. There will be a site visit for this requirement, the contractor shall verify all site conditions, quantities, measurements, and dimensions, any quantities or pictures used in this Scope of Work (SOW) are for estimating purposes only and shall be verified by the contractor.

The purpose of this project is to remove and replace the gutter system on the exterior of B-3294 and repair interior water damage. The gutter shall work with the roofing system to create a weatherproof barrier for the building. Work shall begin within 14 calendar days of contract award and completed within 42 calendar days.

Site Visit will be held 14 June 2022, 09:00a.m. meet at B1004 to receive Security Badges and meet with Government POC. Contractors shall meet at Building 1004, 3909 Halls Ferry Road, Vicksburg, MS 39180 to receive Security Badges and meet with Government POC. Contractors are required to attend the site visit.

A: Gutter Replacement The existing gutter system is showing signs of failure, and water is entering the interior of the building. The exterior walls of the building are comprised of CMU with an exterior brick veneer. Replacement of PT (pressure treated) WD (wood), shown in drawings shall be replaced above water damaged offices. A new weatherproof ice and water shield shall be placed under new Z flashing. The ice and water shield shall be installed so that water cannot penetrate the roof and interior CMU block wall. The existing gutter, down spouts, and conductor heads are to be removed and replaced. The new gutters shall match the existing roof. The number of down spouts and conductor heads shall be increased from 8 to 16 to allow the rapid draining of the newly installed gutter to prevent ponding within the newly installed gutter. All new down spouts and new conductor heads to match existing. Splash pads shall be installed at the new downspouts in a manner that routes water away from the building foundation. The new gutter is approximately 516 LF around the building and shall have as few seams as possible.

Approximate Existing Measurements:

Gutters – 10”x10” Downspouts – 5-3/4” x 4” Conductor Heads – 16” x 12” 8 Total Downspouts/ Conductor Heads 516’ LF of gutter

B: Store Front Window Replacement and Interior Repairs The existing store front window in Rm-18 shall be replaced and match existing windows. The window has 3 panes of glass and measures 96 1/4” X 73”. Each pane of insulated glass is approximately 29 ¼” separated by 2” aluminum. Remove sealant and surface rust from lintel and brick joint above window to be replaced. Repaint lintel to match existing.

The interior repairs consist of replacing 120 Sq. Ft of sheet rock in one office (Rm-18) and 80 Sq. Ft. of sheet rock in a second office (Rm-34). The sheet rock shall receive a level 4 finish, paint shall match existing. Contractor to provide dust control while working inside the building.

The contractor is responsible for keeping the work area, any routes into the building, and lay down areas clean and free of impediments to the employees inside the building. Likewise, the contractor is responsible for protecting the existing spaces & equipment while moving in and around the building. All measurements and quantities are to be verified by the contractor. Any damage to the building, not included in this work, will be repaired by the contractor at their own expense. All products to be used on this project will be submitted to DPW for approval.

Optional Item 2: B-3284 Roof and Gutter Repair Scope:

The contractor shall provide all management, quality control, labor, supervision, parts, materials, tools, equipment, safety, and supplies, necessary to repair the roof and gutter system for B-3284 at the ERDC Vicksburg, MS. Work shall be all inclusive and work shall be completed efficiently, safely, and its quality shall be held to the highest standard. Any damages caused by the contractor shall be repaired to as before, or better at no cost to the government. All quantities, measurements, and dimensions are for estimating purposes only and shall be verified by the contractor.

The purpose of this project is to repair the roof and gutter system on the west side of building 3284. The gutter repairs shall work with the roofing system to create a weatherproof barrier for the building. Roof Repair shall be completed at B-3294 before B-3284. Optional Work for B-3284 will add 14 days to the Period of performance.

Item 1: Roof and Gutter Repair The existing fluid applied roof coating, closure strip and gutter system are showing signs of failure, and water is entering the interior of the building. The existing gutter measuring 143’ shall be removed in a careful manner so that it can be reinstalled. Existing closure strip materials used to prevent water entering the building shall be scraped from the existing surfaces. A new foam closure strip shall be installed between the roof and gutter while reinstalling gutter components. Five roof panels that replaced sun lights measuring 3’x12’ will need to have the existing caulk sealer removed from the seams of the panel and from the screw heads. The ridge cap seam on the west side of the building has 100’ of caulk sealer that needs to be removed and resealed. In area being repaired all gobs of Existing Sealer on screw heads, shall be removed and new sealer applied. The roof shall be cleaned to remove dirt and debris that prevent any applied fluids from adhering to the roof surface. Terminator 622 roof sealer shall be used to reseal all screw heads and seams where the existing coating has been removed to include any screws removed to add foam closure strip. After repairs are made to sealer at seams and screw heads, the contractor shall apply a rubberized silicone roof coating with a minimum 10-year material warranty. The roof section needing to be recoated on the west side of the building measures 90’ X 30’ and extends from the ridge of the building to west edge of the roof. The newly applied roof sealer shall be applied in a way in which water will not collect or pool on the roof. Four additional downspouts and elbows, to match existing, will be placed evenly between the existing downspouts the length of the west side of the building to enhance drainage of water in the gutter. The contractor shall place splash pads at each downspout to help prevent erosion. All gutters, downspouts, and scuppers shall be installed such that water is not allowed to pond or enter the building envelope.

Period of Performance: Roof Repair shall be completed at B-3294 before B-3284. Work shall begin within 14 calendar days of contract award and completed within 42 calendar days for B3294 and additional 14 calendar days for B3284 totaling 56 calendar days.

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