1)_SOW_Bldg_2316.pdf

STATEMENT OF WORK

May 28, 2019

Project Title: Repair Roof, Dining Hall Fac 2316 Project No. 1068396 Project Manager: Reid Dudley Liquidated Damages: N/A Period of Performance: 120 Days

SCOPE OF WORK

Project shall include all necessary demolition, construction, and modifications necessary to replace the existing roofing structure of Building 2316, Section B with a new R-30 fully adhered, reinforced, white, 80 mil Polyvinyl Chloride (PVC) roofing system that will provide adequate drainage. This project will not include any modifications to Section A metal roof.

1. Contractor shall remove and dispose of the following items: existing roofing materials down to the roof deck including roofing accessories, insulation, abandoned HVAC curbs, flashing, trim, roof drains and covers. All non-hazardous materials removed during demolition shall become property of the contractor and shall be removed from MHAFB and transported to off-base landfills.

2. Provide and install new 80 mil white, reinforced, fully adhered PVC membrane roofing sloped at minimum ¼”/12” slope to new roof drains over 1/2" high density protection board over R-30 minimum polyiso insulation board over approved vapor barrier over existing roof deck. Provide crickets on high side of HVAC units and where needed to accommodate drainage. No roofing materials or accessories removed during demolition shall be reinstalled. All roofing materials and accessories brought on the project site to replace existing materials and accessories shall be new. Existing HVAC rooftop units, exhaust fans, extractor vents and equipment associated with ongoing building operations shall be supported and remain operational during demolition and construction. If it becomes necessary to shut down an electrical or mechanical system or to cordon off a portion of the building to accommodate construction, the Contracting Officer and Facility Manager shall be notified at least two weeks in advance and the contractor shall follow instructions given. This facility shall remain operational at all times including existing HVAC units unless approved in advance by the Contracting Officer. Drain lines and pipe insulation for new roof drains, overflow roof drains, and vent ductwork located below the roof deck shall be extended as required. The roofing system shall meet the following Structural Design Criteria:

a: Risk Category: II b: Wind: 115 mph Exposure C c: Impact Resistance: 1” diameter hail stones

3. Contractors shall make a pre-bid site visit to verify all dimensions, conditions, and placement of all rooftop units, utility lines and conduits prior to submitting a bid.

Construction drawings with details and photos provided by the Government depict general construction criteria and parameters only.

4. All construction shall be in compliance with the requirements of UFC 1-200-01 (DOD Building Code), UFC 3- 110-03 Roofing, and with the attached project drawings and specifications.

5. All materials shall be installed in accordance with roofing manufacturer’s recommendations and installation instructions and shall conform to all requirements necessary to meet contract warranty requirements.

6. Environmental: All work shall be performed in accordance with Mountain Home AFB Environmental requirements as written in Specifications Section 01 57 19, and with all applicable Local, State, and Federal environmental requirements. The contractor may assume there is no asbestos in existing roofing materials.

7. During construction, the building will remain occupied. There shall be no contractor access inside Building 2316 without prior approval from the Contracting Officer.

Contractor shall provide protection for building occupants entering and exiting building when necessary. Contractor shall also protect and ensure storm water does not enter facility and shall be responsible for any damages caused by construction or failure to protect against storm water intrusion.

8. Warranty – Provide a manufacturer's 20-year “No Dollar Limit” Watertight warranty for the new roof and a Roofing System Installer Warranty in accordance with UFC 3-110-03 and with specification Section 07 54 19, part 1.10 – 1.10.3 Warranty. The watertight roof system warranty shall include all roof penetrations, flashing, and all joints between the sections of roof being replaced. Roof must be installed by a manufacturer’s certified installer and installed according to manufacturer’s requirements. Manufacturer’s warranty shall not exclude conditions indicated in the Structural Design Criteria.

Signatures are required on the Watertight warranty and must be from the roof system manufacturer and not from the General Contractor. The warranty shall not be pro-rated.

Roofing System Installer Warranty - The roof system installer must warrant for a minimum period of two years that the roof system, as installed, is free from defects in installation workmanship, to include the roof membrane, flashing, insulation, accessories, attachments, and sheet metal installation integral to a complete watertight roof system assembly. Write the warranty directly to the Government. The roof system installer is responsible for correction of defective workmanship and replacement of damaged or affected materials. The roof system installer is responsible for all costs associated with the repair or replacement work. When a roof leak occurs and the manufacturer is notified per warranty requirements and the manufacturer or his approved applicator fails to perform the repairs within 72 hours of notification, emergency temporary repairs performed by others shall not void the warranty.

9. Period of Performance (PoP) shall be 120 days from Notice to Proceed (NTP).