Bldg 232 Breathing Air Alarm Sys PWS.pdf

11 Jan 2023

PERFORMANCE WORK STATEMENT (PWS)

DESIGN, CONSTRUCT, AND INSTALL BREATHING AIR ALARM SYSTEM

BUILDING 232 FUELS MAINTENANCE DOCK

1. DISCRIPTION OF SERVICES

1.1. The contractor shall design and construct breathing air alarm system utilizing government purchased equipment and design specifications. Contractor shall provide detailed schematics/wiring diagrams of constructed alarm system. Contractor shall provide qualified personnel; transportation, tools, and equipment to design, construct, and install Government

Purchased breathing air alarm system at Bldg. 232 (19th MXS Maintenance Squadron) Avenue

“B” West, Little Rock AFB, AR. 72099. The contractor shall accomplish all services below to meet the requirements of this Performance Work Statement (PWS). Work shall follow compliance with all Federal, State, and local regulations, codes, and license requirements. Work shall be accomplished within 30 days of equipment delivery.

2. SAFETY AND REGULATORY REQUIREMENTS

2.1. The contractor and COR need to coordinate with Facility Staff prior to the installation of the new breathing air alarm system. Building 232 is an Aircraft Fuel Cell Maintenance facility.

Contractor and COR will need to coordinate/schedule with user mission requirements. If an

Escort is required while in the workspace, the “User” will provide one.

2.2. Pre-Service Requirements: Contractor, COR, and Facility Manager will conduct a “Pre-

Service Inspection” prior to service commencement to ascertain all information for the diligent performance of the service(s). The contractor shall notify the COR of any conditions that prevent the suitable completion of these services or endanger Government personnel or property. Should the contractor discover “Unforeseen Site Conditions” after starting service the contractor shall immediately notify the Contracting Officer (CO) for their approval if the work is to continue.

2.3. Waste Disposal:

I. Non-Metal Waste material is the responsibility of the contractor to dispose of to include any fees or permits.

II. Recycling of Metal is mandatory i.e., wire, conduit, sheet metal, and equipment.

Contractor/COR will coordinate with 19 CES Recycle Center (501-987-6611) for the delivery/pick-up of metal recycle bins. Large bulk/equipment items i.e. chillers, AHU’s, condensing units, etc. will also need to be coordinated through the recycle center. The

Recycle Center will determine if it can support equipment drop off at the center or if it will need to be taken to Tenenbaum Recycling Group in North Little Rock. If the equipment/material needs to be taken to Tenenbaum it is the contractor’s responsibility to transport to said location, have it weighed, and return the weigh ticket to the recycle center.

III. Contractor is responsible for the removal of any refrigerant prior to taking equipment to

Tenenbaum.

2.4. WELDING, CUTTING AND BRAZING OPERATIONS:

All welding, cutting, and brazing operations shall conform to the Standard for Fire Prevention in Cutting and Welding Process, NFPA 51B, and the Standard for Safeguarding Construction, Alteration, and Demolition Operations, NFPA 241. No welding, cutting, or brazing operations may begin until an Air Force Form 592, USAF Welding, Cutting and Brazing Permit, has been issued. An AF Form 592 will be issued by the Fire Department upon completion of an inspection to determine that the operation can be safely accomplished at the desired location. The responsible contractors shall notify the Fire Alarm Communication Center, at 987-3737 / 3228, at least one hour prior to the start of the operation. Normally an inspector will be available to issue a permit within 30 minutes from the time called. The person receiving the permit, operator performing the work or on scene supervisor shall sign in block 14 prior to beginning the work. The permit must be maintained on site for the duration of the operation. Upon completion of the work, an After Operation Inspection shall be complete to ensure that the area is in a fire safe condition. The person performing the After Operation Inspection shall sign in block 16. At the end of the day, all completed permits shall be returned to the fire department. Further information may be obtained through the Base Fire Prevention Office.

2.5. All work shall be accomplished in accordance with all regulations regarding the installation of commercial Breathing Air monitoring /alarm systems along with any environmental regulations on disposal.

2.6. If a crane is required for any of the installation of the equipment by Federal Law an airfield waiver must be accomplished and signed off by the FAA. This takes a minimum of 60 days to complete and will delay work till completed.

3. WORK REQUIREMENTS

3.1. Materteral provided by the Contractor

3.1.1. Contractor is responsible for all material, equipment, tools, software/hardware necessary to complete this service. Material/Parts shall be “OEM” unless directed/approved by the COR.

Contractor is responsible for loading/off-loading of equipment. Contractor is responsible for coordination between shipping companies, 19 CES Material Control (501-987-8010/3271) and equipment operators for the arrival/off-loading of material/equipment. 19 CES Material hours of operation 0700-1600 Mon-Fri and lunch hour is from 1200-1300. Delivery drives will be turned away if Contractor’s equipment/operators are not on site.

3.1.2. Contractor shall submit detailed drawings/schematics to the COR for approval prior to installation. Contractor must coordinate material/equipment deliveries and work schedule with

COR.

3.2. Demolition

3.2.1. No Demolition involved in this project.

3.2.2. Contractor will have to remove ceiling tile to run electrical conduit from air compressor room to inside of aircraft hangar. Contractor will repair/replace any damaged caused to the ceiling tiles/grid. COR and Contractor coordinate pre-installation inspection to determine condition of existing ceiling and damage to the ceiling prior to installation.

3.3. Installation

3.3.1. Government Purchased Breathing Air Monitoring Equipment: *** ENMET ProAir

2200 *** - Contractor will install monitoring equipment on existing breathing air supply line before it enters the facility. Contractor will install equipment in accordance with manufacture installation instructions.

3.3.2. Breathing Air Alarm Panel: Contractor will design, construct, and provide detailed wiring schematics for panel and an electrical conduit drawing. Alarm panel will be installed in an enclosed panel complete with power, switches, relays, sensors, indication lights as follows:

1. On/Off Switch – Control power to Alarm Panel -Labeled

2. Silence Button – Silence Alarm Horns and flashing strobe light - Labeled

3. Test Button – Test Alarm Horns and flashing lights – Labeled

4. CO (Carbon Monoxide) – Alarm activation when CO level is greater than 10 parts per million (PPM) – red L.E.D. indication light - Labeled

5. Oxygen Content (O2) – Alarm activation when O2 level is below 19.5% - red

L.E.D. indication light – Labeled

6. Dew Point – Alarm activation when supplied breathing is 10 Deg. above ambient air temperature - red L.E.D. indication light – Labeled

7. Temperature – High Temp Air Limit probe (Contractor Installed) - Alarm activation above 70 Deg – red L.E.D. indication light – Labeled

8. Breathing Air Low Pressure – Adjustable pressure sensing control (Contractor

Installed) - Alarm activation below 70 PSI – red L.E.D. indication light – Labeled

All alarms and power will have a green L.E.D. indication light which is active when the power is turned on and no active alarm(s) exist. A red L.E.D. indication light will be provided for each type of alarm activation. Contractor will mount alarm panel and pressure regulator on a ¾” piece of plywood and attach the plywood to the CMU wall with C-Channel and appropriate CMU wall anchor for the weight of the equipped panel board inside air compressor mechanical room and provide power to panel. Power for the alarm panel will be via extension properly rate and plugged into a wall located next to the breathing air receiver tank. COR will provide mounting location.

3.3.3. Contractor will install a new explosion proof “Combo” flashing strobe light and horn – minimum horn decibel 88+ dBA inside both North & South Hangar. This is an aircraft fuel cell repair hangar. Contractor must meet Class I, Division 2 IAW UFC 4-211-01 electrical codes inside the aircraft hangar and wall penetration.

3.3.4 Contractor will install an “On/Off-Silence” switch located in the hallway between both hangars. COR will identify where this switch will be located. Contractor must meet electrical code for that type of environment.

3.3.5 Contractor will tie into existing “Sample” airline. Contractor will install a pipe tee between the regulator and the sampling port. Contractor will install an airline from tee to the pressure regulator mounted on the monitor board with an isolation valve between tee and regulator. This line shall have 100 PSI pressure gauge installed with an isolation valve for gauge replacement while system is in operation. Isolation valve & gauge connection shall be secured to the monitoring board. COR will confirm contractor piping layout prior to pipe installation.

3.3.6 Contractor will install a temperature well and sensor on the supply airline. This line shall measure temperature and alarm when above setpoint; adjustable between 70 - 95 Deg. Sensor will be mounted in monitoring box.

3.3.7 Contractor will install a sensor to monitor airline pressure and alarm when pressure falls below setpoint: adjustable between 70 - 100 PSI. Sensor will be mounted in monitoring box.

4. GOVERNMENT FURNISHED EQUIPMENT

4.1. Government Purchased – ENMET ProAir 2200

5. GENERAL REQUIREMENTS

5.1. Contractor personnel and vehicles must possess appropriate passes obtained from

Installation Security Forces Pass and ID at the Vehicle Inspection Center.

5.2. The Contractor is subject to all installation fire, safety, security, and traffic regulations.

5.3. The Government contracts on the understanding that the Contractor is complying with applicable laws concerning workplace safety.

5.4. The Contractor is subject to all citations and penalties for violation of applicable workplace safety laws. The burden of compliance rests with the Contractor. Enforcement of workplace safety laws are the responsibility of the agency specified in the applicable law.

5.5. The Contracting Officer may notify the Contractor of hazards in Contractor operations that endanger Government personnel or property and require appropriate action. This provision does not constitute assumption of liability for Occupational Safety and Health compliance on the part of the Government or negate other agency responsibility for enforcement of applicable laws.

5.6. Accident prevention principles must be thoroughly integrated into all operations. Unsafe conditions and practices, as identified by the designated representative, must be corrected immediately.

5.7. Contractor Employees: While on the installation, the contractor shall not employ persons for work on this contract if such employee is identified to the contractor by the Contracting

Officer as a potential threat to the health, safety, security, general well-being or operational mission of the installation and its population. Contractor personnel shall present a neat appearance and be easily recognized as contractor employees. This may be accomplished by wearing distinctive clothing bearing the name of the organization or by wearing appropriate badges containing the organization's name and the employee's name. While on the installation, the contractor and employees must wear issued base passes at all times.

5.8. Service contracts shall require contractor employees to identify themselves as contractor personnel by introducing themselves or being introduced as contractor personnel and displaying distinguishing badges or other visible identification for meetings with government personnel. In addition, contracts shall require contractor personnel to appropriately identify themselves as contractor employees in telephone conversations and in formal and informal written correspondence.

6.0. WARRANTY

6.1. Contractor shall guarantee all material, workmanship and labor from defects for a period of

12 months (flexible but no less than a year) from the date of acceptance of the work. Contractor will provide the COR warranty documentation for the monitoring unit.

7.0. APPENDIXES

A. FA 103 Print for electrical drawings.

B. Electrical conduit drawing example.

C. Monitor Installation Manual.