STATEMENT OF WORK.pdf
PDF 100 KB Posted
- Attached to
- PREVENTATIVE MAINTENANCE Federal contract opportunity
- Solicitation number
- 80NSSC235778
About this file
This statement of work outlines preventative maintenance requirements for a liquid nitrogen bulk tank and piping system. The National Aeronautics and Space Administration Goddard Space Flight Center requires annual preventative maintenance including inspection and evaluation of all parts and components. The contractor must replace all relief devices, defrost insulation, check for leaks, and inspect interior piping. Specific preventative maintenance parts that must be provided are listed including various relief valves. The contractor must provide a service report documenting inspected items. Service engineers must be factory trained and certified for liquid nitrogen bulk systems. Preventative maintenance will be performed on-site at NASA Goddard Space Flight Center in Greenbelt, Maryland. The period of performance is 12 months from contract award.
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Text version
STATEMENT OF WORK
Bulk Liquid Nitrogen Tank Maintenance and Relief Valves Replacement for NASA/GSFC
July 2023
PR: 4200845778
Background
The Materials Engineering Branch (Code 541) at the National Aeronautics and Space Administration (NASA) /Goddard Space Fight Center (GSFC) is procuring a preventative maintenance (PM) agreement for their liquid nitrogen (LN2) bulk tank and piping system to maintain system components and ensure proper operation as specified for recertification by the GSFC Pressure Vessels and Pressurized System (PVS) program.
Scope
The Contractor shall perform preventative maintenance (PM) including inspection and evaluation on all parts and components in the LN2 bulk tank and piping system.
Requirements
The preventative maintenance, inspection, and evaluation shall satisfy all the following requirements:
Annual PM on LN2 bulk tank and piping system to include replacement of all relief devices and defrosting and evaluating condition of insulation and checking for leaks in main piping to the bulk tank. Also, inspection and evaluation of condition of interior piping including check of vacuum in lines.
All preventative maintenance parts and quantities as specified in the following table.
Qty Part Number Description
2 554.400 RV SS 1MVCR X 1FPT, 250PSIG, AGCO #81S88-8, 316SS,
ASME SEC Relief Valves 2 564.402 RPD 1" Nickel 375PSIG OSECO #UT6 UD-STAMP DISC
Only 1 CRV-8V-K-275 275 PSIG Relief Valve CRV-8V-K-275 1 PRV29432F100 Relief valves 1/4" 100 PSIG Relief valve 1 PRV29432T150 Relief Valve 1/4" 150 PSIG 1 PRV29434T150 Relief Valve 1/2" 150 PSIG 3 PRV29432T300 Relief Valve 1/4" 300 PSIG 4 PRV29432T350 Relief Valve 1/4" 350 PSIG
Service Report documenting of condition of inspected items.
Service engineers that are factory trained and certified for LN2 bulk system service.
Deliverables or Delivery Schedule
One annual preventative maintenance visit shall be performed during the period of performance.
Preventative maintenance parts shall be provided during the time of preventative maintenance visit.
Service Report documenting condition of inspected items shall be provided at the competition of the maintenance visit.
Place of Performance
Preventative maintenance and service shall be performed on-site at NASA/GSFC in Greenbelt, MD.
Period of Performance
The period of performance is a 12-month period from contract award.
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