NWWP93632100187 Statement of Work RFQ.docx

Statement of Work

Purpose:

Replace the existing metal roof at the National Weather Service (NWS) Forecast Office and the Generator/Storage Building in Amarillo, Texas with a new baked enamel standing seam steel metal roof. This roof will replace the existing metal roof and the scope of work includes, but is not limited to: removal of existing standing seam roof, rotted decking as needed, installation of new decking, flashing and edging, caulking and standing seam metal roof. The required metal roof panel installation is 16” on center seams.

Roof panel color will be selected by the local office staff. All work to be completed in a professional manner according to standard industry practices. Any alteration or deviation from specifications involving additional costs, changes to material, or cosmetic changes will require prior written approval from the National Weather Service. A minimum five-year workmanship warranty and a minimum twenty-year warranty on paint and materials is required as part of the included pricing.

Existing standing seam roof on the generator building is almost 30 years old, and has lost its ability to remain waterproof. Replacement of standing seam roof to match the Weather Forecast Office Building.

The existing standing seam roof at the Amarillo, Texas Weather Forecast Office and the generator storage building needs replacement. It is recommended that a standing seam metal roof be installed to replace the deteriorating roof.

Period of Performance:

120 Days after Notice to Proceed.

Place of Performance:

Points of Contact (POC):

TBD

The Contractor shall:

A. Remove existing standing seam roof on the WFO building and the generator storage building, and any rotted decking and prep area.

B. Detach lighting rods on both building at ridge and reinstall on metal roof with galvanic insulating pads at terminal bases.

C. Remove cameras and reinstall cameras on finished roof.

D. Furnish and install Self Adheared Underlayment on both building.

E. Furnish and install 16” Wide Standing Seam roof w/concealed corrosion resistance fastners on both buildings.

F. Roofing materials must comply with local building codes and have the following requirements:

a. UL 263 Fire Resistant Rating

b. UL2218, Class 4 Hail Resistant Rating

c. UL 580, Class 90, 100 mph Wind Rating

d. ASTM E-1680 Air Penetration Approved

e. ASTM E-1646 Water Infiltration Approved

G. Minimum seam height 1.5” and uniform across the roof

H. Minimum 24-gage panel thickness, 16” seam spacing maximum

I. Steel panels to be factory fabricated or fabricated onsite

J. Steel panels to be painted with Kynar 500, color TBD, if needed

K. Install synthetic felt on both buildings.

L. Install decking as needed to replace water damaged sections

M. Fabricate and install new metal edge, wall cap, t-bar, gutter and fascia metal at wall in center of the WFO.

N. Fabricate and install new metal edge, wall cap, t-bar, gutter and fascia metal as required on the generator storage building.

O. Furnish and install new wall panels w/trim.

P. Remove and install gutters, coping, and down spouts as needed

Q. Furnish and Install new pipe flashing as required. Provide new flashing and sealant at all roof penetrations.

R. Clean and caulk all ridge caps, parapet caps, fascia, coping, trim, and flashing at all seams on both buildings.

S. All metal roofing materials, metal fasteners, and metal lightning protection items shall be selected to minimize corrosion by weather, galvanic corrosion, and shall be isolated from all materials that will cause galvanic corrosion.

T. Roof insulation shall be per ASHRAE Standard 189 for LEED Cool Roof Design. Provide new Rigid Tapered Roof Insulation. The minimum Roof Insulation R-Value shall be R-25

U. Provide Polyisocyanurate Rigid Insulation. Insulation shall be tapered to match the drainage slopes of the existing roof. Mechanically fasten the insulation to the metal roof deck per requirements of the approved roof design by the Manufacturer

V. Provide 'Self Adhesive High Temperature Underlayment' between the Polyisocyanurate Rigid Insulation and the Metal Roof Deck. The high temperature underlayment shall be Grace HT Self Adhesive Underlayment, or approved equal.

General Requirements:

A. This roof replacement "Scope of Work" shall include; but is not limited to, the following: removal and replacement of existing gutters, parapet caps, copings, felts, insulation, flashings, metal edging, corroded steel roof decking, caulking, and sealing of all metal seams. This will include the removal of the existing roofing system down to the metal decking. This project may require the removal and replacement of the existing lightning protection system around the roof.

B. The Contractor shall provide all materials, labor, and equipment necessary to remove and dispose of the existing roof system.

C. The Contractor shall reuse and modify the existing Building Lightning Protection Systems to the extent necessary to be compliant per the NFPA Code Compliant Building Lightning Protection System.

D. All work contained in this Statement of Work shall be completed in a professional and workmanlike manner, per Manufacturers' specifications and requirements and in accordance with roofing industry standards and practices. The installation shall be in accordance with the latest edition of Local, State and Federal Codes identified with the approved Metal Roof System.

E. All work shall comply with the requirements and specifications in this Statement of Work. If there is conflict between requirements within the Statement of Work or Metal Roof System, the Contractor shall comply with the most stringent requirement, unless the Contractor, through direct negotiation with the Contracting Officer, receives written approval from the Contracting Officer to comply with the less stringent of the conflicting requirement.

F. All alterations or deviations from either this Statement of Work, established specifications that will involve additional costs, changes to material, or cosmetic changes shall require prior written approval from the National Weather Service and the Contracting Officer before they are performed by the Contractor.

G. Provide all rigging needed to remove and replace the roof without damaging any existing buildings or landscaping. Contractor shall be responsible for restoring work site to original condition.

H. Contractor shall coordinate daily work activities and schedule with the Weather Forecast Office Facilities Engineering Technician (FET), Electronic Systems Analyst (ESA), and the Meteorologist-In-Charge (MIC), so as to not interfere with or disrupt the operations of the National Weather Service.

1. The Contractor shall remove the existing Building Lightning Protection System from the National Weather Service (NWS) Forecast Office and generator building.

2. The Contractor will reuse and modify the existing Building Lightning Protection Systems to the extent necessary to bring the existing Lightning Protection Systems up to current NFPA Code requirements. Certification documentation from an Underwriters Laboratories Inc. third party inspector should be submitted to the Contracting Officer verifying that the reinstalled Lightning Protection System has been reinstalled to current NFPA Standards. (added 6/11/12)

3. The Contractor shall submit Lightning Protection System Shop Drawings, and Lightning Protection System Installation Details and Instructions to the Contracting Officer for review and approval.

K. Roof Warrantees:

1. 5 Year Workmanship Warranty by Roof Installation Contractor:

a. The Contractor shall provide, at a minimum, a five year written workmanship/labor warranty, including coverage to building and contents resulting from failure to prevent penetration of water.

2. 20 Year Material and Labor, No Cost, Watertight (Water Tightness) Warranty by Manufacturer:

a. The Contractor shall, at a minimum, provide a twenty year Manufacturer’s Material and Labor, No Cost to Owner, Watertight (Water Tightness) Warranty. A written warranty is required.

L. Submittals: The Contractor shall provide submittals as required by the Statement of Work and on items listed below:

Provide all submittals to the Contracting Officer Representative within 21 calendar days after the issuance of the 'Notice to Proceed' by the Contracting Officer.

1. Primer and Paint for metal roofing items.

2. Caulking for metal items.

3. Roof Insulation Material.

4. Roof Insulation Fasteners.

5. Modified base sheet

6. Modified cap FR (Fire Retardant) sheet.

7. Self-Adhesive High Temperature Underlayment.

8. Parapet Metal Cap Material.

9. Contractor's Construction Performance Plan and Schedule.

10. New Roof Lightning Protection System Shop Drawings, and Lightning Protection System Installation Details and Instructions.

11. All Required Written Roof Warranties from the Manufacturer and Roof Installation Contractor to be provided after final construction acceptance inspection.

12. Required Construction Permits from local regulatory and code compliance authorities.

M. Disposal of Construction Debris:

1. Properly remove and dispose of all construction materials and/or demolition debris as required by Local, State, and Federal Regulations.

2. Salvage all recyclable metals and removed roofing materials and deliver metals to a recycle company for proper disposal and salvage.

N. Site Cleanup and Restoration:

1. Contractor shall be responsible for all "Contractor Caused" damage to the worksite and for restoring work site to original condition to the satisfaction of the Contracting Officer Representative.

2. Provide all rigging and equipment needed to remove and replace the roof without causing any damage to existing building, adjacent buildings, sidewalks, asphalt areas, living plants, sprinkler systems, trees, or landscaping.

3. The Contractor shall repair to the satisfaction and approval of the Contracting Officer Representative all Grass Areas, Shrubs, Plants, Sidewalks, Sprinkler Systems, Asphalt Parking Areas, and etc. when damaged by the Contractor during construction.

4. All disputes regarding "Contractor Caused" damage shall be documented in writing and with digital pictures by the Contractor. The Contractor shall send all such documentation to the Contracting Officer for review and final decision.

O. Licenses, Permits, and Fees:

The Contractor shall be responsible for obtaining and paying for all licenses, permits, and fees required for completing all required work. Please note that this is a Federal Government Owned Facility and that all local licenses, permits, and fees are controlled and governed by Public Law 100.

P. Local, State, and Federal, Health and Safety Compliance and Code Compliance:

1. Comply with all Local, State, and Federal environmental, health, and safety regulations while conducting this work.

2. In addition, the Contractor shall ensure that all work is in compliance with all applicable Local, State, and Federal Codes.

Q. Safety and Safety Plan:

1. Safety: The Contractor shall observe and institute all applicable OSHA safety requirements and procedures to prevent accidents and injuries to both Contractor and Government employees and shall comply with 40 CFR 1926 Subpart M for fall protection requirements for all workers on this project.

2. The Contractor shall designate one person as Safety Coordinator for purposes of communication between the Contractor and the National Weather Service. The Primary Contact shall be Steve Davis, 806-773-4955, of the National Weather Service.

3. The Contractor shall not be allowed to flame torch cut any metals upon or within the roof structure of the building.

R. IT Security Note:

1. Certification and Accreditation (C&A) requirements do not apply, and a Security Accreditation Package is not required.

END OF STATEMENT OF WORK

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