Attachment 1_SOW_JLSQ222003_Repair_B300_DFAC_HVAC_Final.pdf

STATEMENT OF WORK

Repair B300 DFAC HVAC

Project: JLSQ222003

2 February 2022

171ST AIR REFUELING WING (ARW)

PENNSYLVANIA AIR NATIONAL GUARD, CORAOPOLIS, PA

TECHNICAL PROVISIONS

TABLE OF CONTENTS:

1. DESCRIPTION OF SERVICES

2. SITUS OF WORK

3. PROJECT SPECIFIC REQUIREMENTS

4. GENERAL REQUIREMENTS

5. SUBMITTALS

6. CLOSEOUT DOCUMENTATION

ATTACHMENT 1 - Photos of Exiting HVAC Units

ATTACHMENT 2 - Photos of Siemens DDC Screenshots

1. DESCRIPTION OF SERVICES

1.1. Objectives: The purpose of this project is to replace two (2) rooftop heating, ventilation, and air conditioning (HVAC) units servicing building 300.

1.2. This statement of work describes contractor requirements for the project titled “Repair B300 Dining Facility (DFAC) HVAC.” The contractor is responsible to furnish and install all labor and materials to complete the items listed in this Statement of Work (SOW). The contractor shall provide the government a complete and usable product at the completion of the project. All information included in this document, along with the instructions and standards referenced in the document, shall be considered as part of the Statement of Work.

2. SITUS OF WORK

2.1. All work will occur at Pennsylvania Air National Guard Base, 171st Air Refueling Wing, Pittsburgh International Airport, Coraopolis, Pennsylvania 15108-4217.

3. PROJECT SPECIFIC REQUIREMENTS

– Replace Two (2) Rooftop HVAC Units, Building 300 (see Attachment 1 for pictures)

3.1. Ozone Depleting Substances (ODS): Contractor shall recover and reclaim all refrigerant in the existing HVAC units in accordance with (IAW) all Federal, State, and Local requirements.

3.1.1. All R-22 refrigerant is property of US Government and shall be placed in Government owned containers for return to the Government. Disposal/Recycle reports are required as closeout documents.

3.1.2. Minimize releases of ozone depleting substances (ODS) during repair, maintenance, servicing or disposal of appliances containing ODS’s by complying with all applicable section of 40 CFR 82 Part 82 Subpart F.

3.1.3. Provide proof of technician certifications to the Contracting Officer Representative (COR) 14 calendar days after contract award or 14 days prior to initiating repair/dismantling of appliances, whichever comes first.

3.1.4. Provide proof of Equipment Certification to the COR 14 calendar days after recovery of refrigerant. Provide proof of recycling of HVAC equipment to the COR 14 calendar days after equipment disposal.

3.2. Remove Existing HVAC Units: Contractor shall remove two (2) existing Trane rooftop

HVAC units.

3.2.1. Disconnect power supply and gas connection from furnace and electrical supply from unit. Remove and dispose of HVAC units IAW all Federal, State, and local requirements (see Attachment 1 for pictures of specification plates on units).

3.2.1.1. Unit 1 (Roof Top Unit (RTU)-1):

Forced air gas furnace with cooling unit Model #YCH480AEHG2A2JC100C0000HJ0000 Serial #C00M36725

3.2.1.2. Unit 2 (RTU-2):

Gas fired outdoor unit heater (make-up air) Model #GRAA40P Unit #GRAA40PEJF0N2BQ101A0K1 Serial #F11A00620

3.2.2. Remove all exterior air duct plenum and insulation connected to each of the two

(2) rooftop HVAC units and dispose of IAW all Federal, State, and local requirements. The air duct plenum that penetrates the building can remain. The scrap metal from the air ducts may be placed in Installation’s Qualified Recycling Program (QRP) metal dumpster for recycling.

3.3. Install New HVAC Units: Contractor shall furnish and install two (2) HVAC rooftop units. Contractor shall furnish all ductwork, piping offsets, fittings, and any accessories required to provide a complete installation. Units shall be powered using the existing 208/120- 3 phase circuit.

3.3.1. Contractor shall install one (1), new, 40 ton capacity single package combination cooling and heating rooftop unit with gas heat.

3.3.2. Contractor shall install one (1), new, 400,000 British Thermal Unit (BTU), rooftop mounted make-up air unit with gas heat.

3.3.3. Energy Efficient Products. Provide only energy-efficient products that are Energy

Star rated or have Federal Energy Management Program (FEMP) recommended efficiency.

Provide only energy using products that meet FEMP requirements for low standby power consumption. For submittal documentation, provide proof that the product is labeled energy efficient and complies with requirements.

3.3.4. Do not use asbestos and asbestos-containing products.

3.3.5. Install vibration isolators.

3.3.6. The HVAC equipment shall meet the requirements of American Society of

Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) 189.1 Section 9.3.3 Refrigerants for no Chlorofluorocarbons (CFC)-based refrigerants in heating ventilation, air conditioning and refrigeration systems. The use of CFC-based refrigerants in HVAC systems is prohibited.

3.3.7. The new HVAC units shall have parts commercially available on the local market that can be directly purchased by government and not require the use of a third party or authorized retailer.

3.3.8. Install the new rooftop HVAC units on the existing roof curbs. Modifications to the roof curb, roof penetration and air duct plenum are the responsibility of the contractor and shall be included in the base price. Any new roof penetrations shall be approved by COR prior to conducting any roof work.

3.3.9. Install Duct System. Install new exterior air ductwork connecting the new rooftop

HVAC units to the existing connection point where the duct enters the building. Provide metal ductwork construction, including all fittings and components, that complies with Sheet Metal and Air Conditioning Contractor’s National Association (SMACNA) 1966. Provide ductwork that meets the requirements of Seal Class A. Fabricate outdoor air intake ducts and plenums with watertight soldered or brazed joints and seams. The COR shall inspect installed ductwork prior to insulation of ductwork.

3.3.10. Insulate Duct Systems. The contractor shall insulate and waterproof all new ductwork, fittings, and irregular shapes exposed to weather. Install duct insulation systems in accordance with the approved Midwest Insulation Contractors Association (MICA) Insulation Standards plates as supplemented by the manufacturer's published installation instructions.

Minimum duct insulation thickness shall be 1.5 inches for relief ducts and fresh air intake ducts.

Minimum duct insulation thickness shall be 2.0 inches for cold air and warm air ducts.

3.3.10.1. Two coats of weather barrier mastic reinforced with fabric or mesh for outdoor application shall be applied to the entire surface. Each coat of weatherproof mastic shall be 1/16 inch minimum thickness. The exterior shall be a metal jacketing applied for mechanical abuse and weather protection, and secured with screws or vapor barrier/ weatherproofing jacket less than 0.0000 permeability greater than 3 ply, standard grade, silver, white, black, and embossed or greater than 8 ply, heavy duty white and natural. Membrane shall be applied overlapping material by 3 inches. No bands or caulking needed - see manufacturing recommended installation instructions.

3.3.11. Rework the existing gas lines to supply gas to the new rooftop HVAC units. The contractor shall replace all exterior components of the existing gas line with new components including the shut off valve. The portion of the gas lines that penetrate the roof can be re-used.

3.3.12. Painting. Prepare gas lines for painting by cleaning surface and removing rust from remaining gas line that penetrates the roof. Paint exterior gas lines from the roof penetration to the new unit with epoxy primer and waterborne light industrial topcoat (semi-gloss), color yellow, for corrosion resistance.

3.3.13. Rework the existing electrical connections to supply power to the new rooftop

HVAC units. The contractor shall provide new exterior electrical disconnect switch for each rooftop unit and new exterior grade wiring to connect to the new rooftop HVAC units to the existing electrical connection. All electrical connections shall be made in accordance with local, state, and federal codes.

3.3.14. New HVAC systems shall be connected to the existing Siemens Insight Direct Digital Control System (DDC). The disconnecting, re-connecting and any programming of the DDC shall be accomplished by qualified Contractor. (see Attachment 2 for existing DDC screenshots)

3.3.15. Protect stored equipment at the jobsite from the weather, humidity and temperature variations, dirt and dust, or other contaminants. Additionally, cap or plug all pipes until installed.

3.3.16. Protect metallic materials against corrosion. Ensure supporting elements exposed to weather are hot-dip galvanized or stainless steel. Select materials of such a nature that their apparent and latent-strength characteristics are not reduced due to galvanizing process.

Electroplate supporting elements in contact with copper tubing with copper.

3.3.17. After installation is complete, the contractor shall perform a startup of both

HVAC units and ensure proper operation of both heating and cooling systems IAW manufacturer requirements. The functionality of the system shall be witnessed by the COR. Contractor shall provide air balancing report for the make-up air unit as well as for each of the exhaust hoods numbered K-24, K-33, K-75, and K-40.

3.4. The government must approve materials prior to installation. Refer to Section 5.0 of this

SOW.

3.5. Training:

3.5.1. Contractor shall conduct a training course for members of the operating staff as designated by the COR. The training period shall be performed during normal working hours and start after the system is functionally completed. The training shall cover all of the items contained in the approved Operation and Maintenance Manuals as well as demonstrations of routine maintenance operations.

3.5.2. Coordinate with the COR on the training date, time and location, at least 2 weeks prior to the date of the proposed training.

3.5.3. Provide 2 complete copies of an operation manual electronically and in bound 8 ½ x 11 inch booklets listing step-by-step procedures required for system start-up, operation, abnormal shutdown, emergency shutdown, and normal shutdown at least 2 weeks prior to training class. The booklets shall include the manufacturer’s name, model number, and parts list.

The manuals shall include the service manual and a brief description of all equipment and their basic operating features.

3.5.4. Provide 2 complete copies of maintenance manual electronically and in bound 8 ½ x 11 inch booklets listing routine maintenance procedures, possible breakdowns and repairs, and troubleshooting guide. The manuals shall include piping layouts and simplified wiring and control diagrams of the system installed.

3.5.5. The operation manual and maintenance manual may be combined together if the booklet can fit in a 3 inch thick binder.

3.6. Quantities. Any quantities provided are to enhance contractors’ understanding of the magnitude of work required under this bid. Government-provided quantities shall not be used by contractors in establishing pricing. Contractors are responsible for making their own measurements in determining their bids for work under this project.

3.7. All listed sub‐contractors working for the contractor shall possess the applicable Pennsylvania Contractors’ license. Provide COR copies of licenses within 14 days after contract award.

3.8. Contractor shall maintain one usable entrance to project facilities at all times.

3.9. Performance Period. The contractor has 180 days from the Notice to Proceed (NTP) to complete all work on the project. The NTP will be issued by the Contracting Officer. No work is authorized until a NTP is issued and acknowledged.

4. GENERAL REQUIREMENTS

4.1. Contractor shall attend a Pre-Construction Conference. The Pre-Construction Conference will be scheduled after award. At a minimum, the contractor shall have their project manager and site superintendent attend the meeting. The Contractor shall provide the following documents at the Pre-Construction Conference.

4.1.1. Project Construction Schedule

4.1.2. Contract Schedule of Values

4.1.3. Safety Plan

4.1.4. Quality Control Plan

4.2. The contractor shall provide all tools, materials, equipment, transportation, removal of debris and trash, supervision, and management (except as specified as Government Furnished) necessary to install, test, and repair facility safety items located at 171 ARW, Air National Guard Base, Coraopolis, Pennsylvania.

4.2.1. Any waste of excess material resulting from any contract requirement shall be removed and disposed of by contractor at a proper disposal site off 171 ARW, Air National Guard Station; disposal, discharge, deposit, dumping, spilling, leaking, or placing of any materials, wastes, effluents, trash, garbage, oil, grease, paint, chemicals. If any waste material is dumped in unauthorized areas, the contractor shall remove the material and restore the area to the condition of the adjacent undisturbed site at contractor’s expense.

4.2.2. Divert construction debris from landfill disposal where markets or on-site recycling exists. The installation has a scrap metal recycling dumpster on-site that may be used for recycling all types of scrap metal. Provide documentation showing total amount of construction debris diverted from landfill as a percentage of all construction debris on the project.

4.2.3. The contractor shall comply with all Air Force, OSHA, and building codes requirements that are abiding by the Federal government, Commonwealth of Pennsylvania, and Allegheny County.

4.2.4. Any additional work completed by the contractor without approval by the Contracting Officer shall be at the contractor’s expense.

4.2.5. The contractor shall submit material approval form(s) to the contracting officer within 10 days of contract notice to proceed date. No materials shall be ordered without material approval of the contracting officer and the base civil engineer.

4.3. Government Furnished Property and Services. The government will provide water, sewer and electrical connections. Unsecure outdoor storage area at the base is available and must be requested through the COR prior to utilizing. Secured storage is the responsibility of the contractor.

4.4. Quality Control. Contractor shall develop and maintain a quality program to ensure work is performed as described in this Statement of Work and in accordance with all local, state and federal rules.

4.5. Quality Assurance. The Government will maintain a Quality Assurance Program to ensure work is performed as described in this Statement of Work and in accordance with all local, state, and federal rules. The COR will manage the Government’s QA program.

4.5.1. Periodic inspection of the work in progress will be accomplished by a representative of the government for the purpose of ensuring the contractor is conforming to the requirements of the statement of work as well as verification of conformance with all safety, environmental, and employment regulations, practices and guidelines.

4.5.2. A one hundred percent (100%) inspection of the finished product will be accomplished. This inspection will consist of a walkthrough by the contracting officer and COR.

4.5.3. The contractor shall be held accountable for the successful execution of the project in accordance with the contract documents. Failure to meet the requirements of the contract may result in liquidated damages charged to the contractor at a pre-determined rate.

4.6. Hours of Operation. The hours of operation at the PAANG base are a compressed work schedule as follows:

4.6.1. 1st Week: Monday through Thursday 0700 hours to 1600 hours, Friday 0700 to 1500 hours.

4.6.2. 2nd Week: Tuesday through Friday 0700 hours to 1600 hours.

4.6.3. Prior coordination with the COR is required for work start dates and scheduling of work requiring advanced coordination. The contractor shall make every effort to minimize the interference and effect on the government mission.

4.7. Base Access. Base security personnel require that all personnel entering the installation are cleared for access and use the contractor entrance (Sabre Gate). The contractor shall complete WG Form 128, Request for Long Term Visitor Badge prior to commencing work.

Contractor will provide first name, last name, date of birth, SSAN, gender, and race information for all personnel accessing the base. The contractor shall submit this information to the COR NLT 14 calendar days prior to the date of required access. Personnel must maintain a valid driver’s license, vehicle registration and proof of insurance at all time while on the base.

4.8. Material Safety Data Sheets, and Labels. The contractor shall maintain a copy of the Environmental Protection Agency or State Registered Labels, plus Material Data Sheets for all paints, primers, solvents, inhibitors, or solutions used in connection with this contract; Material Data Sheets are also required for all hazardous materials defined in federal Standard 313c.

Identical back-up copies of these documents shall be given to the COR (who will provide copies to Base Environmental Office) prior to the start of any work.

4.9. Technical Competence and Ability. If requested by the Government, the Contractor shall provide proof of technical competence and experience in the area of expertise required by this Statement of Work. The contractor shall be prepared to submit documents providing proof of successful competence such as training certificate or accreditations from recognized industry leaders. Contractors shall also be prepared to provide proof of successful project experience through references of former clients in related project types.

4.10. Dimensions and Quantity. All dimensions and quantities provided in the Statement of Work are estimates only. They are provided as a courtesy for contractors to estimate the magnitude of work or materials necessary to complete a task. They are not intended to be final measurements. The Contractor is responsible for verifying all dimensions and quantities in the field prior to starting work.

4.11. Warranty. The contractor shall guarantee all workmanship and materials covered under this statement of work for a period of no less than 1 year from the date of project acceptance.

This contractor’s warranty shall be included with any manufacturer’s warranties that accompany materials or systems installed as part of this statement of work.

4.12. Contractor Payment. Contractor shall submit an application and certificate for payment every 30 days or at the end of the performance period, whichever comes first. The payment request shall include the following:

4.12.1. Contractor’s application for payment

4.12.2. Schedule of values

4.12.3. Contract progress report

4.12.4. Contract progress schedule

5. SUBMITTALS

5.1. All material approval submittals shall be forwarded to the Contracting Officer and transmitted with an AF Form 3000. When submitting on a finish, texture or other material characteristic where a photograph is unacceptable, the Contractor shall provide a sample of the material for review and approval along with the product cut-sheet.

5.1.1. Mechanical

5.1.1.1. 40 Ton Rooftop HVAC Heat and Cooling Unit

5.1.1.2. 400,000 BTU Rooftop HVAC Make-up Air Unit with Gas Heat

5.1.1.3. Ductwork and Insulation

5.1.1.4. Supporting Elements

5.1.2. Material Safety Data Sheets

5.1.2.1. Paint

5.1.2.2. Sealants

5.1.3. Certifications

5.1.3.1. Proof of technician certification for repair, maintenance, servicing, or disposal of appliances containing ODSs.

5.1.3.2. Proof of equipment certification for recovery or recycling of HVAC equipment.

5.1.4. Performance Test Reports

5.1.4.1. Contractor shall provide air balancing report for the make-up air unit as well as for each of the exhaust hoods numbered K-24, K-33, K-75, and K-40

6. CLOSEOUT DOCUMENTATION

6.1. 10% Retainage will be released upon receipt of the following items:

6.1.1. Contractor workmanship letter of warranty up to one year.

6.1.2. Certificates of no debts to suppliers and vendors.

6.1.3. Electronic pictures showing the area before and after repair.

6.1.4. Recycling or Landfill proof of disposition document.

6.1.5. Refrigerant Disposal/Recycle reports

6.1.6. Operation and Maintenance Manuals

RTU-1

RTU-2

171st Air Refueling Wing Pittsburgh Air National Guard

Bldg 300

RTU 1 – Siemens DDC Screenshot (1)

RTU 1 – Siemens DDC Screenshot (2)

RTU 1 – Siemens DDC Screenshot (3)

RTU 1 – Siemens DDC Screenshot (4)

RTU 2 – Siemens DDC Screenshot