STATEMENT OF WORK

Roof Replacement at the Mt. Ashland Radar Site

1. GENERAL INTENTION:

Replace the roof at the Mt. Ashland (KMAX), Next Generation Radar (NEXRAD) site.

2. BACKGROUND:

The National Weather Service owns and operates a Next Generation Radar (NEXRAD) site at Mt. Ashland, OR. The original construction documents identify a fully adhered EPDM flexible sheet roofing system with a 60-mil nominal membrane and roof insulation below the membrane. Concrete pavers are installed above portions of the roof to protect the membrane from falling ice and snow. Several areas inside the building are experiencing leaks during major rainfall and snow accumulation.

3.GENERAL REQUIREMENTS:

The contractor shall provide all supervision, labor, tools, materials and equipment necessary to perform work in accordance with these instructions, manufacturer’s specification, all applicable federal, state, local, OSHA, EPA, building, electrical and facilities codes and criteria.

The Contractor Shall:

3.1. Verify all measurements.

3.2. Remove all concrete pavers and protect and store reusable pavers for reinstallation unless otherwise directed by the Contracting Officer’s Representative (COR).

3.3. Remove the existing roofing membrane and any degraded materials to expose a sound substrate, disposing of all debris off-site. Inspect the roof deck and substrate, remove debris and contaminants, and notify the COR of damaged or unsuitable substrate conditions before covering them.

3.4. Remove existing metal flashing and related roofing accessories as required for replacement and dispose of off site. Provide new flashing, counterflashing, edge conditions, penetration flashings and accessories compatible with the new roofing system and necessary to provide a complete watertight installation.

3.5. The replacement roofing assembly shall be suitable for the Mt. Ashland environment, including repeated freeze-thaw cycles, prolonged cold exposure, summer heat, hail, long-term snow and ice accumulation, and localized impact from falling ice and snow. The completed assembly shall comply with applicable current codes, manufacturer requirements, and required design loads.

3.6. Roofing system minimum requirements: Provide a fully adhered EPDM membrane roofing system or technically equivalent system. EPDM membrane shall be a minimum 60 mil nominal thickness. The original design basis referenced ANSI/RMA IPR-1, ASTM D412, ASTM D573, ASTM D624, ASTM D1149, ASTM D1668, the NRCA Roofing and Waterproofing Manual, and FM roof design guidance. Where referenced legacy standards have been superseded, the contractor shall use the current applicable successor standard. Submit manufacturer product data identifying membrane type and thickness, system components, insulation/substrate, attachment or adhesion method, flashing materials, and warranty.

3.7. Provide roof insulation and substrate compatible with the roofing manufacturer’s warranted assembly. The original construction documents identified rigid polyisocyanurate roof insulation with aluminum foil facing at the bottom and 7/16-inch waferboard or high-density nailable fiberboard laminated to the top; four-inch insulation was identified with a minimum aged R-value of 26.0. The contractor shall field verify existing conditions and provide insulation thickness, configuration, taper, saddles and crickets as required to comply with current applicable energy-code requirements, maintain positive drainage, and satisfy the roofing manufacturer’s warranty requirements.

3.8. Install the roofing membrane and all related components at penetrations, equipment, antenna supports, deck interfaces, curbs and adjoining construction in accordance with the approved roofing manufacturer’s details. All membranes, flashings, adhesives, primers, sealants and accessories shall be compatible and approved by the roofing-system manufacturer.

3.9. Reinstall concrete pavers or provide manufacturer-approved protection at locations subject to falling ice and snow so the membrane is protected from localized impact without restricting drainage or damaging the warranted roof assembly.

3.10. Provide a minimum 20-year manufacturer membrane/material warranty. The contractor shall also provide the longest available manufacturer system warranty compatible with the specified assembly, with a minimum target of 20 years where commercially available. Warranty coverage shall include the roof membrane and flashing remaining watertight and shall identify covered roofing-system components and workmanship.

3.11. Before installation, submit the complete proposed roofing assembly for technical review. The submittal shall include product data, membrane thickness, applicable ASTM or successor standards, insulation and cover-board data, fastening/adhesion method, flashing details, warranty documentation, manufacturer confirmation that the proposed system is suitable for the site conditions, and evidence that the installing contractor is approved or licensed by the roofing-system manufacturer where required for issuance of the warranty.

4. SUBMITTAL REQUIREMENTS:

The contractor shall provide electronic copy of each required submittal in accordance with the below schedule:

Deliverable Objective Due Deliver To

Work Schedule, with start and completion dates

Coordinate scheduling with COR Within 3 days of awarded contract

COR

Designation of on-site, job-site supervisor and contact information

Provide a Primary POC to NWS Contract Award COR

Safety Data Sheet (SDS)

List any hazardous material that will be used in performance of this contract. Ref. FAR 52.223-3 and FED-STD-313E

Within 3 days of contract award

CO

Materials for Approval:

Including but not limited to those outlined in 3.6,

3.7 & 3.11

Received materials approval from the COR

Prior to ordering materials or beginning installation

COR

Proposed Roofing Assembly & Technical Package (Section 3.11)

Technical Review to ensure compliance of roofing system

30 days prior to on-site work.

COR

Roofing Manufacturer Warranty Documentation

Minimum 20-year membrane/material warranty and

Upon acceptance of work at end of

Contracting Officer applicable manufacturer system warranty and 1 year installation warranty project (CO)

Biobased Report (copy)

Report purchases of Biobased products in System for Award Management (SAM). Ref. FAR 52.223-2

Upon acceptance of work at end of project

CO, COR

5. LOCATION:

The project is to be completed on the below premises of the NWS.

MT. Ashland (KMAX) - 42°04'51"N 122°43'02"W

6. PERIOD OF PERFORMANCE:

Work must begin within ten (10) business days of award of the purchase order; “Work” includes ordering parts and equipment not already in stock and necessary to perform the work. On-site work shall be completed within two-hundred-forty (240) calendar days.

7. WAGE DETERMINATION

The contractor shall comply with the Construction Wage Rate Requirements (formerly the Davis-Bacon Act) and all applicable Department of Labor standards.

8. DEFINITIONS:

Where “as shown”, “as indicated”, “as detailed”, or words of similar import are used, it shall be understood that reference to the drawings accompanying this specification is made unless stated otherwise.

Where “as directed”, “as required”, “as permitted”, “approved”, “acceptance”, or words of similar import are used, it shall be understood that the direction, requirements, permission, approval, or acceptance of the Contracting Officer is intended unless stated otherwise.

As used herein, “provided” shall be understood to mean “provided complete in place”, that is “furnished and installed”.

9. REGULAR WORKING HOURS:

Regular working hours are from 0700 to 1600 local time Monday through Friday except Federal holidays and other days specifically designated by the designated representative. “Regular Working Hours” means hours a contractor can expect to be allowed to perform work on site, or be able to contact the office.

Anything outside regular working hours must be done by permission of the COR only.

Observance of Legal Holidays and Site Closure Information

The Contractor shall observe any federal holidays set forth in the Department of Labor Wage Determinations, if the holiday falls within the period of performance of this contract.

When any holiday falls on a Saturday, the preceding Friday is observed; when any holiday falls on a Sunday, the following Monday is observed. All personnel assigned to this contract shall limit their observation of holidays to those set forth above.

In each instance, the Contractor agrees to continue to provide sufficient personnel to perform requirements of any critical tasks already in operation or scheduled, and shall be guided by the instructions issued by the COR. In the event of a site dismissal or closure due to weather, emergency or other circumstances, the Contractor is instructed to contact the COR.

10.CONDUCT OF WORK:

The contractor must ensure employees are physically able to accomplish the work specified herein. All such employees working on government premises are subject to all applicable federal rules and regulations with regard to entering and leaving the premises and building(s). Any contractor employee who is considered incompetent, careless, insubordinate, unsuitable, or otherwise objectionable or whose continued employment is contrary to the public interest by the government’s designated representative will be promptly removed from the contract work upon notification to the contractor by the Contracting Officer that such conditions(s) described above exist. Only legal US citizens and immigrants are allowed to work on federal government construction projects.

11.PERMITS AND RESPONSIBILITIES:

The Contractor must, without additional expense to the Government/Client, be responsible for obtaining any necessary licenses and permits, and for complying with any Federal, State, and municipal laws, codes, and regulations applicable to the performance of the work. The Contractor must ensure all required permits are secured, active, and displayed as necessary prior to the commencement of any applicable on-site activities.

12.SAFETY REQUIREMENTS:

All work shall be conducted in a safe manner and shall comply with station regulations and Department of Labor Standards. The government will not provide safety equipment to the contractor. The contractor’s work site may be inspected during performance of the contract for EPA, OSHA and station safety violations.

It will be the contractor’s responsibility to rectify any violations immediately.

The contractor shall report any accidents that occur during the performance of the contract to the Contracting Officer or a designated representative, within 24-hours of an occurrence.

Provide and maintain fire extinguishers in construction areas. Flammable and Combustible Liquids: Store, dispense and use liquids in accordance with 29 CFR 1926, NFPA 241 and NFPA 30.

13.SECURITY REQUIREMENTS:

All personnel performing work under this contract shall be legal citizens or legal immigrants of the United States.

14.IDENTIFICATION OF CONTRACTOR VEHICLES:

Each Contractor provided vehicle shall show the Contractor’s name that is clearly visible. Display a valid State license plate and safety inspection sticker, if applicable. Contractor vehicles operated on Government property shall be maintained in good repair.

15.STATION REGULATIONS:

The contractor and his employees shall become acquainted with and obey all government regulations as posted, or as requested by the COR.

16.GOVERNMENT-FURNISHED EQUIPMENT, UTILITIES, AND FACILITIES:

The designated representative will, upon request, designate specific areas adjacent to the building and within the existing parking lot, specific areas for the delivery and lay-down of materials and equipment to be used by the contractor specific to this work. There is no utility service at this site. The Contractor is responsible for all electrical, water and restroom service.

17.CLEANUP:

The premises shall be kept free at all times from accumulation of waste and/or rubbish resulting from the work. Upon completion of the work, all debris, tools and surplus materials shall be removed and the entire area shall be left in a neat and clean condition. All debris, trash, waste and surplus material shall be properly disposed of off-site.

18.SITE VISIT:

This acquisition is utilizing LPTA procedures. Due to the technical nature of this requirement and to ensure all bidding Prime Contractors fully understand existing site conditions and are quoting the same scope of work, a Mandatory Site Visit is required at the NWS, NEXRAD KMAX. 42°04'51"N 122°43'02"W.

Visits are only allowed on the following specified dates:

• August 19, 2026.

• August 20, 2026

To attend the site visit, Contractors must email or call the following point of contact to coordinate when they will attend:

Scott Langley at scott.langley@noaa.gov or 907-631-8496 (Mobile) 541-843-0092 (Work) or 541-843-0820 (Google Voice)

When responding via email, please include “RFQ 1305M326Q0411Site Visit” in the subject line. It is the Contractor’s responsibility to arrive on time and ensure to check in with the COR to register attendance by signing in with the Company's name, attendee's name, phone number, and email address. No additional site visits will be accommodated. Any delays need to be communicated directly to the point of contact provided above.

Attendance Condition for Award: To be considered for award, a representative of the Prime Contractor MUST attend and register/sign-in at the mandatory site visit. Quotes submitted by Prime Contractors who do not attend the site visit will be deemed non-responsive and automatically eliminated from consideration without evaluation. No claims for price adjustments based on a failure to inspect site conditions will be entertained post-award.

17. INVOICING:

Upon completion and acceptance of the work, the invoice shall be submitted through the Invoice Processing Platform at ipp.gov.

Observance of Legal Holidays and Site Closure Information