Attachment 1 - Specifications.pdf

Federal Aviation Administration Engineering Services

Statement of Work BRW FSS HVAC Upgrades

JCN: 18062636

Location:

Bethel Flight Service Station (FSS)

Wiley Post Airport 1703 Ahkovak Street

Utqiagvik, Alaska 99723

Point of Contact:

Wilson Platt

FAA Engineering Services 222 West 7th Avenue, Ste. 14

Anchorage, Alaska 99513 wilson.platt@faa.gov

Office: (907) 271-5541 Cell: (907) 223-7010

TABLE OF CONTENTS

1.0 GENERAL

1.01 CONTRACT TYPE

1.02 VENDOR QUALIFICATIONS

1.03 DESCRIPTION OF WORK

1.04 CRITERIA FOR CONSTRUCTION

1.05 CONSTRUCTION PHASING

1.06 CONTRACTOR USE OF PREMISES

1.07 COORDINATION AND ON SITE SUPERVISION

1.08 MEETINGS AND CONFERENCES

1.09 SUBMITTAL PROCEDURES & WORK TIMELINES

1.10 CRITICAL SUBMITTALS:

1.11 CLOSE-OUT SUBMITTALS:

1.12 CONTRACTOR WARRANTY

1.13 QUALITY ASSURANCE - CONTROL OF INSTALLATION

1.14 PROTECTION OF EXISTING EQUIPMENT AND EXISTING BUILDING

1.15 SECURITY

1.16 WORK HOURS

1.17 STARTING AND STOPPING SYSTEMS OR EQUIPMENT

1.18 FINAL CLEANING

1.19 PROJECT RECORD DOCUMENTS

2.0 PRODUCTS

2.01 GENERAL

2.02 PRODUCT REQUIREMENTS

2.03 METAL FABRICATION

2.04 SPECIAL TOOL RESTRICTIONS

2.05 SPARE PARTS

3.0 EXECUTION

3.01 OUTAGES

3.02 CONTRACTOR RESPOSIBILITIES DURING CONSTRUCTION

3.03 CUTTING AND PATCHING

3.04 HVAC EQUIPMENT INSTALLATION

3.05 PIPING INSTALLATION

3.06 PIPE JOINT CONSTRUCTION

3.07 INSTALLATION OF PIPE HANGERS AND SUPPORTS

3.08 METAL FABRICATION

3.09 VIBRATION ISOLATION

3.10 ELECTRICAL WORK

1.0 GENERAL

1.01 CONTRACT TYPE

A. The Contract shall be firm-fixed price.

1.02 VENDOR QUALIFICATIONS

A. The Contractor shall have at least 5 years of documented experience in the installation of heat pumps and refrigeration systems.

1.03 DESCRIPTION OF WORK

A. Scope: This project addresses several mechanical issues that were identified in a FAA performed facility condition assessment report dated January 14th, 2018. This Statement of Work along with the Contract, Plans, Specifications, and all referenced standards cited are essential parts of the Contract Requirements. A requirement occurring in one is as binding as though occurring in all. They are intended to be complementary and to describe and provide for a complete work.

B. Work includes but is not limited to the following:

1. Install two split-system air conditioning units to provide cooling to FAA equipment room and flight service operations area.

2. Relocate humidifier in operations area to serve electronics equipment room.

Remove integrated furnace humidifier.

3. Demolish and replace natural gas piping in the facility.

4. Demolish existing combined exhaust air ductwork serving kitchen and upstairs bathroom. Replace with new dedicated exhaust air ducts for each space.

5. Replace existing plumbing vent carrier pipe with new pipe. Provide foam insulation in interstitial space and incorporate passive plumbing vent defroster.

Provide new weather tight roofing boot.

C. FAA Provided Construction Drawings

1. BRW-D-FSS-G001 – COVER SHEET

2. BRW-D-FSS-G002 – SCOPE OF WORK, GENERAL NOTES, AND SITE MAP

3. BRW-D-FSS-D101 – DEMOLITION PLANS - HVAC

4. BRW-D-FSS-D102 – DEMOLITION PLANS - PLUMBING

5. BRW-D-FSS-A014 – BUILDING ELEVATIONS

6. BRW-D-FSS-M001 – MECHANICAL SCHEDULES, LEGENDS, AND NOTES

7. BRW-D-FSS-M002 – MECHANICAL PRODUCT NOTES

8. BRW-D-FSS-M101 – MECHANICAL PLAN – EXTERIOR UNDERFLOOR

9. BRW-D-FSS-M102 – MECHANICAL PLANS – LEVEL 1 AND 2

10. BRW-D-FSS-M601 – MECHANICAL DETAILS

11. BRW-D-FSS-P101 – PLAUMBING PLANS – LEVEL 1 AND 2

12. BRW-D-FSS-E101 – POWER PLANS

13. BRW-D-FSS-E102 – PANEL SCHEDULES

D. The construction site is located at the Barrow Flight Service Station (FSS), Utqiagvik, Alaska.

1.04 CRITERIA FOR CONSTRUCTION

A. The work must be constructed to adhere to the latest published documents, codes, and industry standards and handbooks referenced below. When a conflict exists between the requirements of this document and its referenced documents, this document must take precedence. When the requirements of FAA documents conflict with other referenced documents, FAA documents must take precedence. In the event of conflict between any of the other referenced documents, the most stringent requirements must apply. The Contractor must notify the Contracting Officer when the proposed design conflicts with local code requirements.

B. Industry Codes and Standards

1. International Building Code

2. International Mechanical Code

3. International Plumbing Code

4. NFPA 70: National Electric Code

5. ASHRAE Standard 15 – Safety Standards for Refrigeration Systems

6. ASHRAE Standard 34 – Designation and Safety Classification of Refrigerants

7. AHSRAE Standard 62.1 – Ventilation for Indoor Air Quality

8. ANSI/ASHRAE Standard 135–2004, BACnet - Data Communication Protocol for Building Automation and Control Networks, including all published addenda.

9. SMACNA Duct Construction Standards

C. Government Orders and Construction Standards

1. FAA-STD-019f - Lightning Protection, Grounding, Bonding, and Shielding Requirements for Facilities

2. FAA-C-1217H - Construction Specification for Interior Electrical Work

1.05 CONSTRUCTION PHASING

A. The Contractor must coordinate work with the FAA Contracting Officer's Representative (COR) to prevent conflicts with in the operational facility. After notice to proceed is issued by the CO, coordinate with COR for onsite arrival and expected schedule including work hours and expected completion timeframe.

1.06 CONTRACTOR USE OF PREMISES

A. Existing Facility Operations: Barrow FSS provides essential air traffic control services to the flying public. The contractor shall plan and coordinate all construction activities with the COR so as not to interfere with functions of the FSS and maintain operational integrity of the National Airspace System (NAS).

B. Maintain the jobsite and work area in a neat and orderly condition. Remove rubbish, waste, tools, equipment and materials not required for work in progress on a daily basis.

C. Access to Existing Building: Access for contractor personnel will be coordinated by COR.

Work in areas other than the designated work site is not allowed.

D. Do not obstruct or close roadways and driveways unnecessarily. Coordinate, notify and make arrangements with the COR seven working days prior to date if obstruction or closure is required.

E. Confine operations, activities, storage of materials and employee parking within designated areas.

F. Temporary Parking and Access:

1. Use the parking areas designated for the contractor and the contractor's personnel vehicles. Contractor is reminded that onsite parking is limited and additional parking will not be available.

G. Toilet Facilities: The contractor will provide port-a-potty and hand washing facilities for contractor personnel. The AFSS bathroom facilities will not be used.

H. The Contractor shall provide storage for project materials in a dry, secure structure such as a trailer, connex, or local storage facility. The contractor shall coordinate the location of on-site storage facilities with the COR.

1.07 COORDINATION AND ON SITE SUPERVISION

A. The contractor shall coordinate scheduling and work to ensure efficient and orderly sequence of installation of interdependent construction elements. The contractor must have a designated (submitted and approved in writing to the Contracting Officer) representative (supervisor) on site during all phases of construction activity. This person must be responsible for ensuring that the provisions of the contract are followed by all contractor and subcontractor personnel.

1.08 MEETINGS AND CONFERENCES

A. Project Kick Off Meeting: After contract award, there will be an initial kick off meeting to establish points of contacts, and discuss critical submittals.

B. Preconstruction Conference: There will be a preconstruction conference held a minimum of seven (7) days prior to start of construction to discuss phasing and facility/contractor concerns before construction begins onsite. Representatives of the contractor and their subcontractors are expected to attend the preconstruction conference.

C. Coordination Meetings: Contractor shall conduct project coordination meetings at regular intervals during the construction phase of the work. Project coordination meetings are in addition to specific meetings held for other purposes as deemed necessary by the FAA or requested by the Contractor.

D. Operational Risk Management (ORM) Meetings: Some construction activities require coordination with Technical Operations and Flight Service Personnel. Risks and mitigations meetings will be held as required.

1.09 SUBMITTAL PROCEDURES & WORK TIMELINES

A. The contractor will submit the required submittals for approval within 30 days of contract award and issuance of a limited Notice-to-Proceed. Physical work onsite to be completed within 30 calendar days after issuance of Notice-to-Proceed. Closeout documents to be submitted within 30 days after completion of physical work. For all submittals other than O&M Manuals, electronic submissions are acceptable.

1.10 CRITICAL SUBMITTALS:

A. The contractor will submit the following documents to the FAA COR prior to the start of work:

1. Product data, shop drawings, materials and other relevant data for contractor provided.

2. Construction schedule.

3. Company Safety Plan, which addresses COVID precautions.

B. Equipment and material submittals: Refer to project drawings and specifications.

Prepare and submit informational submittals for materials and equipment listed in equipment schedules and mechanical product notes.

C. Construction Schedule: The schedule for this construction project must be coordinated with the COR. The schedule will highlight project activities and all phasing requirements in a Gantt or bar style chart. The contractor will highlight all anticipated outage dates in the schedule.

D. Contractor Safety Plan: The contractor will submit a company safety plan, which outlines the company’s internal safety policies and procedures. Safety plan will be address typical work activities associated with mechanical system cleaning, repairs, and modifications. Work with COR to establish local emergency services contacts and review facility emergency procedures. Safety plan will address COVID-19 jobsite exposure prevention and include social distancing, mask wearing, cleaning/sanitizing frequently touched surfaces on the jobsite including door pulls, handles, push bars and surfaces).

1.11 CLOSE-OUT SUBMITTALS:

A. Operations and Maintenance (O&M) Manuals: The contractor will submit O&M Manuals at project close out. The O&M manuals will be neat, labeled, and organized into binders.

In addition to electronic copies, the contractor will provide 3 hard copies to the FAA.

The O&M Manuals will be organized as follows:

1. Coversheet and table of contents

2. Sequence of operations for new system

3. Spare Parts List

4. Any prepared shop drawings by contractor

5. Commissioning/Start-up reports

6. Contractor’s warranty

7. For each piece of system equipment, including GFE:

a. Product Data Sheet with accessories/options annotated

b. Manufacturer’s published O&M Data

c. Manufacturer’s warranty

1.12 CONTRACTOR WARRANTY

A. The contractor will provide a minimum of a two-year warranty on construction materials, equipment, and labor. The warranty will include a service maintenance agreement to address system performance issues. The warranty period will start at FAA acceptance at the Contractors Acceptance Inspection.

1.13 QUALITY ASSURANCE - CONTROL OF INSTALLATION

A. Monitor quality control over suppliers, manufacturers, products, services, site condition, and workmanship, to produce work of specified quality.

B. Comply fully with manufacturers' instructions.

C. Comply with specified standards as a minimum quality for the work except when more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship.

1.14 PROTECTION OF EXISTING EQUIPMENT AND EXISTING BUILDING

A. Contractor will protect building finishes from damage by using appropriate measures to protect interior and exterior finishes. The contractor will work with COR, review facility condition prior to start of work to identify areas which have preexisting stains or damage. Contractor will be responsible for repair of finishes as a result of inadequate protection. Refer to Execution paragraph 3.06 below.

B. The contractor will be responsible for protection and safekeeping of products and materials during the contract. A secure location for tools and materials will be coordinated with COR upon arrival on site. Lockable tool or job box is recommended.

The contractor will maintain the job site in a neat and orderly condition.

1.15 SECURITY

A. Provide a list of contractor personnel who will require access to the AFSS premises to COR prior to the notice-to-proceed date. Keep list current during project work.

B. A checkpoint at the back of the facility will be set up for workers to use with direct access to the work area. This checkpoint must include a morning temperature check, COVID-19 symptoms check and a daily sign in stating all workers are safe to complete the daily work.

C. Violators of any security regulations will be removed from the premises with the right to re-enter revocable.

1.16 WORK HOURS

A. The Contractor may execute done during normal business hours. The facility is open daily from 6:00 AM to 10:00 PM. To maintain operational integrity of the National Airspace System, some work may need to be performed outside of normal working hours, to include night work if a work activity presents a risk or an interruption to NAS services. Any work outside of standard working hours will be coordinated in advance with the Contracting Officer.

1.17 STARTING AND STOPPING SYSTEMS OR EQUIPMENT

A. Provide notification to the COR prior to start-up of each item.

B. Ensure that each piece of equipment or system is ready for operation.

C. Execute start-up under supervision of a responsible person as required by manufacturer of equipment to satisfy warranty requirements.

D. Equipment Shut Downs: The FAA Facility technicians will turn off, lock out, and tag out systems. Contractor will request system shut downs from the COR three working days in advance to facilitate coordination with FAA technicians. Shut downs will be dependent on availability of the technicians. Contractor will also lockout equipment in accordance with LOTO requirements below.

1.18 FINAL CLEANING

A. Execute final cleaning prior to final inspection.

B. Clean interior and exterior surfaces exposed to view.

C. Spot clean Flight Service operations area windows as needed.

D. Clean debris from site.

E. Remove waste and surplus materials, rubbish, and construction facilities from the FSS property.

1.19 PROJECT RECORD DOCUMENTS

A. Maintain on site, one set of contract documents to be utilized for record documents

B. Record revisions to the work. Record information concurrent with construction progress, mark up redlines as work progresses, on a weekly basis. Updated AutoCAD drawings are not required. Redlines may be clearly hand marked or marked up utilizing .pdf writer.

C. Record documents and shop drawings: Legibly mark each item to record actual construction.

D. Submit documents to the COR for approval prior to final inspection.

2.0 PRODUCTS

2.01 GENERAL

A. The contractor is responsible for providing all equipment and materials required for a complete and functional system.

B. Electrical Components: Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

1. Electrical components must comply with FAA-C-1217H, Construction Specification for Electrical Work, Premises Wiring. FAA-C-1217H outlines the minimum requirements for electrical work in FAA facilities, and often exceeds requirements defined in NFPA 70.

2. Compliance must also be met with FAA-STD-019F, Lighting and Surge Protection, Grounding, Bonding and Shielding Requirements for Facilities and Electronic Equipment. This standard enforces minimum grounding requirements in FAA facilities to protect NAS equipment.

2.02 PRODUCT REQUIREMENTS

A. Refer to equipment schedules and mechanical product notes located in the plans for product requirements.

2.03 METAL FABRICATION

A. Slotted Channel Framing: Cold-formed metal box channels (struts) complying with

MFMA-4.

1. Size of Channels: 1-5/8 by 1-5/8 inches.

2. Material: Galvanized steel, ASTM A653/A653M, commercial steel, Type B, with G90 (Z275) coating.

B. Fasteners: Unless otherwise indicated, provide zinc-plated fasteners for interior use and zinc-plated fasteners with coating complying with ASTM B633 or ASTM F1941/F1941M. Select fasteners for type, grade, and class required.

2.04 SPECIAL TOOL RESTRICTIONS

A. Powder-driven fasteners, tools, and devices are not allowed on facility property, with no exceptions.

2.05 SPARE PARTS

A. The contractor shall furnish the following spare parts.

1. Outdoor unit fan motor – 2 ea

2. External Condensate Pump Kit – 2 ea

3.0 EXECUTION

3.01 OUTAGES

A. The Contractor must request in writing and coordinate mechanical or electrical outages at least three working days in advance with the COR. Outages must be kept to a minimum. Outages could require the Contractor to work during other than normal hours at no additional cost to the Government. Some work may be required to be performed during non-peak traffic hours to limit impacts to building temperatures or operations. This may require night work.

B. The Contractor is expected to sequence pump replacement to prevent service outages the cooling system. Replace pumps in sequence such that one of two pumps are operational.

C. Work must be closely coordinated with the FAA. The COR is the point of contact for this coordination. Air Traffic operations will take precedent over the Subcontractor’s request for system outages.

3.02 CONTRACTOR RESPOSIBILITIES DURING CONSTRUCTION

A. Electronic equipment in the facility is susceptible to damage from dust, dirt and water.

The Contractor is responsible for insuring construction activities do no damage to the facility’s sensitive equipment. The Contractor must protect interior finishes, equipment and furniture from dust, dirt, water and physical damage.

B. When working in interior spaces, carefully cover desks, counters, consoles, equipment racks and furniture with poly sheeting or canvas drop clothes.

C. The Contractor must provide and maintain cleaning supplies and equipment, throughout the duration of the project, including for immediate cleanup of dust and spills.

D. The Contractor must haul all project waste off site for proper disposal. Disposal of all debris and waste must comply with applicable laws and regulations. The Contractor assumes all liability for proper waste disposal.

3.03 CUTTING AND PATCHING

A. Employ a skilled and experienced installer to perform cutting and patching new work;

restore work with new products except as noted.

B. Submit written request in advance of cutting or altering existing structural or building enclosure elements.

C. Fit work tightly to adjacent structure. Maintain integrity of wall, ceiling, or floor construction; completely seal voids.

D. Refinish surfaces to match adjacent finishes.

3.04 HVAC EQUIPMENT INSTALLATION

A. Install units level and plumb.

B. Install evaporator-fan components using manufacturer's standard mounting devices securely fastened to building structure.

C. Install rack-mounted, compressor-condenser components on equipment supports securely anchored to building structure, as shown in plans.

D. Install and connect pre-charged refrigerant tubing to component's quick-connect fittings.

Install tubing to allow access to unit.

E. Complete installation and startup checks according to manufacturer's written instructions.

3.05 PIPING INSTALLATION

A. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems; indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Shop Drawings.

B. Install refrigerant piping according to ASHRAE 15.

C. Install piping in concealed locations unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

F. Install piping adjacent to machines to allow service and maintenance.

G. Install piping free of sags and bends.

H. Install fittings for changes in direction and branch connections.

I. Select system components with pressure rating equal to or greater than system operating pressure.

J. Install piping as short and direct as possible, with a minimum number of joints, elbows, and fittings.

K. Install piping with adequate clearance between pipe and adjacent walls and hangers or between pipes for insulation installation.

3.06 PIPE JOINT CONSTRUCTION

A. Ream ends of pipes and tubes and remove burrs.

B. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

C. The installing contractor shall examine the pipe and fittings for defects, sand holes or cracks. There shall be no defects of the pipe or fittings. Any damaged pipe or fittings shall be rejected.

D. Soldered Joints: Apply ASTM B813, water-flushable flux, unless otherwise indicated, to tube end. Construct joints in accordance with ASTM B828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," Chapter "Pipe and Tube."

1. Use Type BCuP (copper-phosphorus) alloy for joining copper socket fittings with copper pipe.

2. Use Type BAg (cadmium-free silver) alloy for joining copper with bronze or steel.

F. Threaded Joints: Thread pipe with tapered pipe threads in accordance with ASME

B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

G. Cold Press Mechanical Joints

1. Installer shall be qualified, licensed within the jurisdiction, and familiar with the installation of cold press mechanical joint systems.

2. Press fittings shall be installed using the proper tool, actuator, jaws, and rings as instructed by the press fitting manufacturer.

3. The installing contractor shall insure that internal components of the cold press mechanical joint press fitting are properly in place and free from damage. This is to include sealing elements, grip ring & separator rings.

H. Install dielectric fittings in piping at connections of dissimilar metal piping and tubing.

3.07 INSTALLATION OF PIPE HANGERS AND SUPPORTS

A. Metal Pipe-Hanger Installation: Comply with MSS SP-69 and MSS SP-89. Install hangers, supports, clamps, and attachments as required to properly support piping from the building structure.

B. Metal Framing System Installation: Arrange for grouping of parallel runs of piping, and support together on field-assembled metal framing systems.

3.08 METAL FABRICATION

A. Install framing and supports to comply with requirements of items being supported, including manufacturers' written instructions and requirements indicated on Shop Drawings.

B. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed surfaces.

3.09 VIBRATION ISOLATION

A. Provide vibration-control devices for systems and equipment where the statement of work and drawings indicate they are to be installed on specific equipment and systems.

B. Installation of vibration isolators and seismic restraints must not cause any stresses, misalignment, or change of position of equipment or piping.

3.10 ELECTRICAL WORK

A. FAA will provide electrical support to included shut off, disconnection and reconnection of pump electrical connections. Lockout/Tagout procedures shall be followed, with the contractor providing their own locking device. Coordinate outages of pumps 24 hours in advance with the COR.

B. Lock out/Tag Out: The Contractor shall positively verify de-energization before working on individual systems in accordance with OSHA Standard 29 CFR 1910.47, The Control of Hazardous Energy (lockout/tagout) and may place an additional lock on locked out equipment per the standard.