Attachment 1 Statement of Work.pdf

80SSC026R0003

Attachment 1, SOW

STATEMENT OF WORK

Liquid Nitrogen Air Separation Unit (LNASU) Procurement John C. Stennis Space Center, MS 39529-6000 Date: November 3, 2025 Prepared by: Thomas E. Carroll, NASA Project Manager

1.0 OBJECTIVE

The objective of this procurement is to acquire and integrate a fully functional, modular, skid-mounted cryogenic air separation unit (ASU) — the Nikkiso Cosmodyne PINE 8 — for the production of high-purity liquid nitrogen (LIN) at a nominal capacity of 86 metric tons per day (TPD). The system shall include all necessary components for operation, as well as selected optional equipment and services to ensure full integration, operability, and maintainability at the High Pressure Gas Facility (HPGF) at SSC.

2.0 SCOPE OF SUPPLY

2.1 Base Equipment

One (1) PINE 8 (86 TPD) Liquid Nitrogen Production Plant, fabricated in the USA, to include the following:

• Feed air compressor

• Recycle compressor

• Air treatment module

• Turboexpander module (warm and cold)

• Cold box with distillation columns and heat exchangers

• Plant control system (PLC + HMI)

• Analytical instrumentation

• UPS for control system

• All interconnecting piping, cabling, and instrumentation within modules

• Documentation package per Schedule C5, Appendix C

2.2 Services

• Commissioning and Testing Services for Feed and Recycle Compressors by OEMs

• Field Service and On-Site Assistance during installation and startup

• Operator Training during commissioning

Installation and Commissioning: Specified utilizing CLIN 0005 closer to the Commissioning Phase - estimated 8-12 weeks

2.3 Optional Equipment

• Two (2) Spare High Temp and Low Temp Expander Rotating Assemblies

• One (1) lot Motor Control Center (MCC) and Compressor Soft Starters

• MCCs: Allen Bradley Centerline 2100 or equivalent

• Soft Starters: PowerFlex – Allen Bradley or equivalent

• One (1) Evaporative Cooling Tower

• One Hundred Feet (100’) Vacuum Jacketed Pipe

3.0 TECHNICAL REQUIREMENTS

3.1 Performance

• LIN Production: 86 mTPD

• Purity: ≤100 ppm O₂ (Grade B per MIL-PRF-27401)

• Pressure: 31.25 psig

• Temperature: -300.5°F

• Total Power: ≤2,280 kW

3.2 Utilities

• Electrical: (MV) 5kV 3-PH; (LV) 120/208 V 3-PH, 277/480 V 3-PH

• Cooling Water: 2400 GPM @ 77°F, 30.3 psig

• Instrument Air: 64.4–96.6 Nm³/hr @ 65.3 psig (startup only)

• Nitrogen Seal Gas: TBD Nm³/hr @ 25 psig

3.3 Environmental Conditions

• Ambient Temp: 68°F

• Relative Humidity: 50%

• Barometric Pressure: 14.65 psia

4.0 DELIVERY AND SCHEDULE

• Delivery: NLT 18 months after receipt of order and down payment

• Final Documentation: Per Schedule C5, Appendix C

5.0 WARRANTY

• 12 months from commissioning or 18 months from readiness to ship, whichever occurs first

6.0 QUALITY ASSURANCE AND INSPECTION

All project design, construction documents and construction shall comply with this SOW including all related drawings, specifications, appendices, and requirements. Design and technical criteria contained and cited in this SOW establish minimum standards for design and construction quality.

• Compliance with ASME, IEC, NEC, and other applicable standards

• Factory testing of individual modules

• Site performance testing with OEM witness

• Final acceptance contingent upon successful commissioning and performance verification

• NASA reserves the right to inspect all materials and construction methods

• Certificate of Chemical Analysis Requirements:

• A Certificate of Chemical Analysis shall be provided certifying that the liquid nitrogen product meets the requirements of MIL-PRF-27401G, Type I, Grade B, Propellant Pressurizing Agent, Nitrogen, including a modified specification for water content not to exceed 6 ppm (corresponding to a dew point of -83.2°F).

• If helium is used in any commissioning or operational process, a Certificate of Chemical Analysis shall also be provided certifying compliance with MIL-PRF- 27407D, Grade A, Propellant Pressurizing Agent, Helium.

• Closeout submittals must include:

• Specifications

• Manufacturer’s data

• O&M manuals

• Warranties

• As-built drawings

• Arc Flash models and analysis files

7.0 COMMISSIONING AND TRAINING

• Commissioning Plan

• Pre-activation Checklists

• Functional Performance Tests

• Deficiency Resolution and Retesting

• Warranty Review

• Final Commissioning Report

• On-site Operator Training

8.0 FACILITY DESIGN AND CONSTRUCTION REQUIREMENTS

8.1 Structural and Mechanical Requirements

• Structural Design per ASCE 7, ASTM A36/A572-Grade 50/A992

• Structural steel tubes shall conform to ASTM A500 Grade B. Pipe shall conform to ASTM A53 Type E Grade B

• Mechanical Systems shall conform to ASME B31.3

8.2 Electrical Requirements

• Electrical Systems per NFPA 70, 70E, 101, 780, UL 96A

• MCCs, VFDs, UPS, and Surge Protection (UL 845, UL 1778)

• Grounding and Lightning Protection (NFPA 780, UL 96A, NEC)

9.0 SAFETY AND SECURITY

• All personnel that visit SSC must obtain SSC badging

10.0 DELIVERABLES

• As per Appendix C

11.0 APPENDICES

• Appendices:

• Appendix A: SSC Reference List

• Appendix B: Area Survey and Subsurface Utility Location Sketch

• Appendix C: C5 Schedule, Document Package

• Appendix D: Conceptual Site Layout Plan

• Appendix E: Responsibility Matrix

• Appendix F: Acronym List