SOW Exchange HVAC AHU and Ducting Repair.pdf

Scope of Work for Exchange Building HVAC Ducting and AHU Repair At

USCG Air Station Miami Opa Locka, Florida

1 BACKGROUND

USCG Air Station Miami had a significant rodent infestation including signs of rodent infestation in the HVAC ducting for the Air Handling Unit (AHU) located on the north end of building 110. The current HVAC hard ducting insulation has black asbestos containing mastic.

A second AHU in the same area has a blower wheel, shaft, and bearing failure and requires replacement. Ducting and AHUs are above a 2ft x 4ft drop ceiling grid. Units are Carrier Model 40RUAA28A4A5-0A0A0. See Enclosure 1 for pictures.

2 DESCRIPTION OF WORK

2.1 SCOPE OF WORK:

2.1.1 Furnish all labor, materials, tools, and equipment necessary to complete scope.

2.1.2 Remove ceiling tiles and ceiling grid as necessary to perform work.

2.1.3 Coordinate with USCG Air Station personnel for the removal of any floor level obstructions.

2.1.4 Ducting Repairs for North AHU

2.1.4.1 Replace all 10” and 8” flex ducting that have been adversely affected by rodent infestation up to 150’.

2.1.4.2 Encapsulate affected insulation including asbestos containing mastic around metal ducting not to exceed 100 linear feet using industry standard practices.

2.1.4.3 Properly seal and securely fasten insulation

2.1.4.4 Replace all supply and return grilles associated with the affected AHU approximately (7).

2.1.4.5 Affect repairs to transfer boxes as needed approximately (2).

2.1.5 Bearing and Shaft Replacement for Central AHU

2.1.5.1 Recover refrigerant from system.

2.1.5.2 Remove panels to access system interior.

2.1.5.3 Replace blower motor, wheel, shaft, and bearings.

2.1.5.4 Reinstall removed panels.

2.1.5.5 Install new drier.

2.1.5.6 Recharge system with refrigerant.

2.1.5.7 Conduct operational testing with Coast Guard representative.

2.1.6 Reinstall any and all ceiling tiles and grid removed during repairs.

2.1.7 Ensure the work is returned to its pre‐work state and all dirt and debris associated with the work is removed and cleaned.

2.1.8 Conduct final walkthrough and inspection with Coast Guard representative.

3 SUBMITTALS AND OUTCOMES

3.1 Safety Plan (see 21.3)

3.2 The Contractor shall submit a work schedule including all milestones within seven (7) calendar days following contract award.

3.3 Provide list of chemicals used along with their SDS. Also submit licenses of any personnel providing pest control services at the unit.

4 PROJECT PERFORMANCE TIME

The contractor must complete all work, deliverables, and outcomes within 10 calendar days after notice to proceed is given by the Government. If bearing and shaft replacement parts incur a longer wait time, conduct ducting repairs within 10 calendar days of notice to proceed and Center AHU repairs within 10 calendar days of parts receipt.

5 LOCATION

All work shall take place at the following location:

CG AIRSTA Miami 14750 NW 44th Ct.

Opa Locka, FL 33054

6 POINT OF CONTACT

The Government Point of Contact (POC) for this work is MK1 Andre Trinidad, (786) 424- 8312, Andre.G.Trinidad@uscg.mil or DCC Keegan Martin, (360) 244-0842, Keegan.L.Martin@uscg.mil. The Contractor shall coordinate with the POC to minimize interference with Coast Guard operations or personnel. All work shall be coordinated with other trades involved in the project and carefully laid out in advance.

7 WORK PHASING

7.1 All work shall be completed within ten days of contract award.

7.2 The facility shall remain in operation throughout the service. Contractor access to the service site shall be limited to the following: 7:00am to 7:00pm, Monday through Sunday, excluding holidays. Access to the site shall not be permitted on the weekends without prior approval from the Coast Guard (COR).

8 AVAILABILITY OF UTILITIES

8.1 Reasonable amounts of the following utilities will be made available to the Contractor without charge.

8.1.1 Electricity

8.1.2 Potable Water

8.2 The Contractor shall pay all costs incurred in connecting, converting, and transferring the utilities to the work. The Contractor shall be responsible for making connections including providing back flow preventer devices on connections to domestic water lines, providing transformers, and for disconnections. The POC shall designate the outlets available to the Contractor.

9 CONTRACTOR USE OF PREMESES

The Contractor will be working on a Coast Guard operational military installation. Become familiar with and obey installations’ fire, traffic, and security regulations. Personnel shall not stray from the immediate area of work nor direct avenues of ingress and egress unless authorized in advance by the Government.

10 LAYDOWN AREA

The Contractor will be provided with an uncovered lay-down area in the immediate vicinity of the work. The Contractor shall be responsible for restoring the area to its original condition at the completion of the work. The Contractor shall be responsible for repair of any damage incurred to buildings or pavement as a result of storage activities.

11 STORM PROTECTION

Should warnings of extreme weather (such as storm surge, wind of gale force) be issued, the Contractor shall take every practicable precaution to minimize danger to personnel, the work and adjacent property. Precautions shall include, but not be limited to, closing all openings, removing all loose materials, tools and equipment from exposed locations, and removing or securing fencing, scaffolding and other temporary work.

12 ENVIRONMENTAL PROTECTION

All Federal, State and local laws must be strictly adhered to. Chemical’s used shall be documented including SDS, date/time, and location applied.

13 DELIVERY AND STORAGE

Equipment and materials shall be carefully handled, properly stored, and adequately protected to prevent damage before and during installation, in accordance with the manufacturer's recommendations. Damaged or defective items shall be replaced. Location of storage and staging area shall be designated by the POC. The contractor will be responsible for security of all materials and equipment.

14 RECEIPT OF MATERIALS

Shipment of equipment, materials, and supplies shall be addressed to the Contractor - not the Government. The Contractor must be on hand to accept shipments; the Government will not accept shipments.

15 CLEANUP

The Contractor shall keep the work area, including storage areas, free from accumulations of waste materials on a daily basis and comply with all federal, state and local regulations pertaining to the storage, transport and disposal of wastes. The Contractor shall not use Coast Guard waste disposal facilities including garbage cans, trash piles or dumpsters.

16 UTILITY OUTAGES

Before interrupting or shutting down any utility, make a request for the interruption to the POC at least two (2) working days before the anticipated interruption. Identify the utility, reason for interruption, proposed time of interruption, and duration of interruption. Do not interrupt utilities until authorized by the POC.

17 SECURITY

17.1 Working Personnel List.

The Contractor shall provide the COR with a list of names of all personnel who will be working on the site. The Contractor may submit a revised list at any time during the project. Only personnel on the approved listing will be allowed on the site.

17.2 Personnel Identification.

All personnel shall carry proper identification (ID) when on site. Proper ID is defined as either the individual’s driver’s license, or a company issued ID. The identification must be laminated, and show facial picture of the individual. Individuals without proper ID will be escorted off the Coast Guard premises.

18 QUALITY

Quality of Contractor Furnished Material. Materials supplied by the Contractor shall be of a quality conforming to applicable Federal specifications and lead and asbestos free.

19 WARRANTIES

All warranties and/or guarantees, either implied or expressed, for individual equipment shall be endorsed to the Government.

20 FINAL INSPECTION AND ACCEPTANCE

When the work is complete and ready for final inspection, submit a written request to schedule final inspection to the Government. Prior to such requests, all submittals must be complete and approved. Such requests shall allow a minimum of two (2) days notice prior to final inspection date.

21 SAFETY

21.1 General

The Contractor is wholly responsible for work site safety. The Contractor shall implement a safety program that protects the lives and health of personnel in the service area, prevents damage to property and avoids work interruptions. The Contractor shall provide appropriate safety measures including but not limited to barricades, signs and signal lights as well as complying with the requirements of all applicable Federal, State and Local safety laws, rules and regulations.

21.2 Compliance

The Contractor is specifically required to comply with the requirements of the U. S. Army Corps of Engineers "Safety and Health Requirements Manual" (EM 385-1-1, latest version available) and the “Accident Prevention” clause (FAR 52.236-13). Once accepted, this safety plan shall become part of the contract requirements. Note: This review/acceptance does not in any way relinquish the Contractor from responsibility for work site safety nor the obligation to comply with the OSHA regulations found in 29 CFR 1910 & 1926 or any other State or Local safety law, rule or regulation applicable to the contract work. The Coast Guard will cooperate fully with the Department of Labor (Occupational Safety and Health Administration) in their enforcement of OSHA regulations.

21.3 Safety Plan

The Contractor shall submit a written safety plan within seven (7) calendar days following contract award. At a minimum, this plan shall describe the Contractor's general safety program and identify specific safety provisions for hazards incidental to the contract work such as elevated working surfaces, working over water, working from floating work platforms, overhead crane operations or similar conditions of the work. This Safety Plan shall be approved prior to commencing any work on site.

Enclosure 1: Various Pictures