Attachment 1.docx
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- Sources Sought - B282 Natural Gas Regulator Federal contract opportunity
- Solicitation number
- LRAFBNATURALGAS2023
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PERFORMANCE WORK STATEMENT (PWS)
GAS REGULATORS INSTALL B282
LITTLE ROCK AFB, AR 72099
1. DISCRIPTION OF SERVICES
1.1. The contractor shall provide all qualified personnel, transportation, tools, equipment, materials and services required to install new service regulators at feeding boilers, water heaters and package unit. Contractor shall install new service regulator and relief valve feeding each (4) MAU on roof and space heaters in fire riser room at building 282. The contractor shall accomplish all services below to meet the requirements of this Performance Work Statement (PWS). Work shall be in compliance with all Federal, State and local regulations, codes and license requirements. Work shall be accomplished within 30 days of award.
1.2. The requirements official has determined that none of the services to be performed are inherently governmental.
2. SAFETY AND REGULATORY REQUIREMENTS
2.1. Gas regulators are located behind building 282 near CMGT Williams Dr. Contractor shall coordinate with Contracting Officer Representative (COR) for access to mechanical/fire riser rooms. It’s estimated that 100% of the work will need to be performed during normal working hours of 0800-1600 M-F excluding federal holidays and will not be considered as overtime hours. Contractor shall be escorted by government personnel for access to building 282. The intent is to complete all work within 1 calendar day. Escort shall be provided by LRAFB.
2.2. Pre-Install Requirements: Before services are commenced, the contractor shall inspect the work site and ascertain all information for the diligent performance of the service(s). The contractor shall notify the ordering agency of any conditions that prevent the suitable completion of these services to include operations that could endanger Government personnel or property and require appropriate abatement action. If the contractor discovers problems associated with the work after starting, he or she shall immediately notify the Contracting Officer (CO) for their approval if the work is to continue. Coordinate with the Government designated representative to have utilities/fire alarms etc…turned on or off during the competition of the task.
2.3. Disposal of waste: All waste disposals are the responsibility of the contractor to include any fees or permits. Recycling containers may be provided if needed for the operation. Coordinate through your government representative or COR.
2.4. All work shall be accomplished in accordance with all 49 CFR 192 and SME B31.8 regulations to install natural gas service line, branch connection to the main and riser.
2.5. All work shall be accomplished in accordance with the manufacturer's requirements and in accordance with NFPA 54[NFPA 58] to install line pressure regulators and appliance regulators. Install each regulator in an accessible location and install shutoff valves ahead of each line and appliance regulator to allow for maintenance.
2.6. Contractor must conform testing procedures to API RP 11.
2.7. Contractor must use only welders and jointers who have been recently qualified by training and test for joining and installing the gas pipe material used on this job. The finished product must be inspected by a person qualified to inspect joints made by the particular procedures used to make joints.
2.8. Contractor must perform all pipe cutting without damage to the pipe, with an approved type of mechanical cutter, unless otherwise authorized.
3. WORK REQUIREMENTS
3.1. Material provided by the contractor
3.1.1. Contractor shall provide (3) gages, isolation valves, flanged valves, flanged union and new constructed piping with a minimum of 100 psig required for vertical natural gas riser reconfiguration.
3.2. Installation
3.2.1. Contractor must install service line so that no undue stress is applied to the pipe, connection, or riser. Install approved riser and terminate with an approved isolation valve, EFV and automatic shutoff device.
3.2.2. Building 282 - Reference Appendix A, LRAFB Model drawing to reconfigure natural gas riser and install new gas regulators and relief valve. Additional changes from LRAFB Model drawing are included below:
A. Gas Regulator/Relief Valve
1. Remove existing gas components to (regulator, gage, etc) and necessary piping located at ground level on vertical gas line servicing (4) MAUs on roof.
2. First install gage which is located before valves and 2” NPT SENSUS 243-RPCB Pilot loaded commercial natural gas regulator (point of delivery) for inlet 42 psig reading.
3. Install flanged valves and flanged union valves to eliminate stresses on the piping system.
4. Install SENSUS 243-RPCB Pilot loaded regulator.
5. Install 2” pipe with a minimum length of 12” piping.
6. Attached a welded 2” pipe to length of 12” pipe. Install BELGAS P289 Relief VLV SET @ 7 psig and pressure gage with isolation valve onto the new attached 2” pipe.
7. Install flanged valve to 3” pipe.
8. Install new pressure gage and isolation valve on 3” pipe.
9. Reconfigure natural gas pipe from fire riser room to 3” pipe riser. Located pipe above new installation.
3.2.3. Building 282 -Service Main Relief Valve
A. Service Main Relief Valve
1. Remove existing service gas regulator from outside main feeding boilers, water heaters and package unit.
2. Replace and install 2” NPT SENSUS REGULATOR 3/4 orifice.
3.2.4 Support gas piping systems in buildings with pipe hooks, metal pipe straps, bands or hangers suitable for the size of piping or tubing. Do not support any gas piping system by other piping.
3.2.5. Contractor must test piping system after install.
1. Submit test procedures and reports in booklet form tabulating test and measurements performed; dated after award of this contract, and stating the Contractor's name and address, the project name and location, and a list of the specific requirements which are being certified. Contracting Officer must receive final report.
2. Test entire gas piping system to ensure that it is gastight prior to putting into service.
3. Prior to testing, purge the system, clean and clear all foreign material.
4. Test each joint with am approved gas detector, soap and water, or equivalent nonflammable solution. Inspect and test each valve in conformance with API Std 598 and API Std 607.
5. Complete testing before any work is covered, enclosed, or concealed, and perform with due regard for the safety of employees and the public during the test.
6. Before turning on gas under pressure into any piping, close all openings from which gas can escape. Immediately after turning on the gas, check the piping system for leakage by using a laboratory-certified gas meter, an appliance orifice, a manometer, or equivalent device. Conform all testing to the requirements of NFPA 54[NFPA 58]. If leakage is recorded, shut off the gas supply, repair the leak, and repeat the tests until all leaks have been stopped.
7. After testing is completed, and before connecting any appliances, fully purge all gas piping.
8. Contractor must furnish all labor, materials and equipment necessary for conducting the testing and purging.
4. GOVERNMENT FURNISHED EQUIPMENT
4.1. The government will furnish the following regulators:
1. 2” NPT SENSUS REGULATOR 3/4 orifice 30 degree seat, spring 42 psig>2.5psig. (3) boilers@2.5mbh each,(2) w/h @0.5mbh each, and (1) pkg unit @0.2mbh. total 8.7 mbh
2. 2” NPT SENSUS REGULATOR 3/4 orfice grey spring 42 psi>5 2 psi (4) MAU @3.668 each ,& (2) space heaters at .5 mbh total 15 72 mbh total
4.2. The government will furnish the following relief valve:
1. BELGAS RELIEF VALVE, 2"NPT, SPRING 1.75-7.0 PSIG set at 7 psig 16,00 cfh at 7 psig relief
5. GENERAL REQUIREMENTS
5.1. Contractor personnel and vehicles must possess appropriate passes. These shall be 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 is 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. Contractor personnel must wear issued base identification cards at all times while on the installation.
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 1 year from the date of acceptance of the work.
7.0. APPENDIXES
Appendix A - LRAFB Model drawing Appendix B - Commander’s Environmental Policy
Appendix A: LRAFB Model Drawing
Appendix B: Commanders Environmental Policy
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