Environmental Control System SOW RevA.docx

CUI//SP-EXPT

K0000614513-SPC

REVISION A

Environmental control System, SM COMPRESSED AIR INJECTION

LC-39B

Statement of Work

ITAR Category IV(i)

- International Traffic in Arms Regulations (ITAR) Notice - This document contains information which falls under the purview of the U.S. Munitions List (USML) as defined in the International Traffic in Arms Regulations (ITAR), 22 CFR 120-130, and is export controlled.

It shall not be transferred to foreign nationals in the U.S. or abroad without specific approval of a knowledgeable NASA export control official, and/or unless an export license or license exemption is obtained/available from the United States Department of State. Violations of these regulations are punishable by fine, imprisonment, or both.

COMET Export Control Office at KSC

September 16, 2026

ENGINEERING DIRECTORATE

CUI//SP-EXPT

K0000614513-SPC

REVISION A

National Aeronautics and Space Administration

John F. Kennedy Space Center

KSC FORM 16-12 (REV. 6/95) PREVIOUS EDITIONS ARE OBSOLETE (CG 11/95)

KDP-T-5405_Basic

Environmental control System, SM COMPRESSED AIR INJECTION

LC-39B

procurement specification

Procurement_Spec_Template_Basic.dotx

JOHN F. KENNEDY SPACE CENTER, NASA

REVISIONS

REV

LTR

Revised section 3.2.4 from “ISO 8573-1:2021 [3:3:0]” to “ISO 8573-1:2021 [3:3:1]”.

10/20/2026

Contents

Figures Figure 3‑1 Simplified Process Schematic 8 tables No table of figures entries found.

abbreviations, acronyms, and symbols Units of measure and some terms commonly understood within the subject disciplines have been abbreviated in the body of this document without callout but are included among the following.

Scope This specification defines the process fluid, hardware, environmental, transportation, design and construction requirements for procurement of turn‑key, weather‑rated air compressor enclosure systems to supply clean Compressed Air to the Environmental Control System at LC-39B, Kennedy Space Center.

Applicable documents The following documents form a part of this document to the extent specified herein.

Requirements

GENERAL

The vendor shall deliver and activate a fully fabricated, ready-to-connect compressed-air system to generate clean, dry air for use at LC-39B, Kennedy Space Center, FL. This equipment shall survive a launch induced environment but is not expected to operate during the launch.

If not explicitly stated below, the vendor’s standard offerings to provide a complete operational system for this location are considered acceptable. Desired delivery date of completed system is February 28, 2027, however extended periods of performance will be considered. Vendor shall make every effort to deliver as early as possible.

Figure 3-1 shows a simplified process schematic. The green boxes represent the scope of this specification.

Figure 3‑1 Simplified Process Schematic

PROCESS FLUID

Flow Rate The operating hardware shall provide a continuous supply of no less than 55 lbm/min of compressed air at the exit of the enclosure at ambient temperatures in 3.4.1.

Pressure The operating hardware shall provide a minimum pressure of 70 psig at maximum flow at the exit of the air compressors.

Temperature The operating hardware shall provide compressed air no warmer than 15°F above ambient air temperature at the exit of the enclosure.

Purity Classification The operating hardware shall deliver compressed air meeting ISO 8573-1:2010 [3:3:1].

HARDWARE

Redundancy The vendor shall supply N+1 redundant hardware for all critical process equipment.

N is defined as the minimum hardware needed to deliver the process air requirements defined in 3.2, e.g. if two compressors are needed to provide the flow rate, then three compressors satisfy N+1.

Critical Hardware is defined as any active hardware which would prevent delivery of the process air per the requirements defined in 3.2. At minimum, the Government considers the air compressors, desiccant dryers, filter stacks, control systems, and power transformers critical equipment.

Motorized valves in the piping system could be critical if failure would stop flow; if required in the system, then those valves shall fail open.

Piping systems are considered passive and do not need to be redundant.

The system shall be capable of equipment transfers/rotations to the redundant component without impact to the minimum requirements defined in 3.2.

Worst Case Usage The operating hardware shall be capable of continuous use for no less than 18 hours per day without violating the minimum requirements defined in 3.2.

Remote Control The vendor shall supply hardware to enable remote control and monitoring for operations during hazardous clears including start, stop, pressure setpoint commanding, remote reset and alarms.

The hardware shall, at minimum, include capabilities for Modbus TCP, Ethernet/IP and/or hardwired I/O connections.

Carbon Monoxide Monitoring The vendor shall supply hardware for carbon monoxide monitoring of the process fluid and reporting through the provided control system. Alarm set point shall be adjustable in a range of at least 0-10 ppm per vol.

Enclosure The vendor shall supply an enclosure to house all process air equipment supplied under this procurement, excluding any required air receivers.

Enclosure Construction The enclosure shall be designed and constructed to be regularly lifted by crane and placed on mobile equipment, such as commercial shipping trailers, lowboy trailers, or KAMAG transporters, to enable use of the hardware at multiple locations on Kennedy Space Center.

All provided lifting provisions, such as hoist rings, lifting lugs, etc., shall have a factor of safety 5.0 against the ultimate tensile strength or shall comply with ISO 1161.

Enclosure Conditioning The enclosure shall include a method of controlling the enclosure’s internal environment to meet the requirements of the hardware supplied.

Enclosure Coatings The enclosure shall be supplied with a coating compliant to NASA-STD-5008, Zone 2. The color shall be gray, color chip 16187 or 16473 per SAE AMS-STD-595 or closest commercially available color.

Depending on the material being coated, NASA-STD-5008, Zone 2 requires the following:

For Carbon Steel:

1. Degrease per SSPC-SP1, mechanically clean per SSPC-SP2 or SSPC-SP3.

2. Abrasive blast per SSPC-SP10 to an angular anchor profile of 1.5-3.0 mils with an aggregate conforming to the requirements in section 4.1.1 of NASA-STD-5008.

3. All rust shall be completely removed from pits and depressions, remove abrasive residue. Clean and dry the surfaces.

4. Apply a brush coating or stripe coating with an inorganic zinc coating on all welds, cutouts, sharp edges, rivets, crevices and bolts.

5. Apply an inorganic zinc (IOZ) coating (conforming to section 4.1.2.1 of NASA-STD-5008) from the approved products list of NASA-STD-5008 Appendix A to a dry film thickness of 2.5-4.0 mils.

6. After application of zinc primer, completely seal the perimeter of all faying surfaces, joints open less than 1/2 inch and skip welded joints by applying polysulfide rubber or polyurethane sealant per guidelines in NASA-STD-5008 section 4.4.4.

7. Topcoat with an inhibited epoxy intermediate coating and polyurethane finish coat (conforming to sections 4.1.2.2.1 and 4.1.2.3.1, respectively, of NASA-STD-5008) from the approved products list of NASA-STD-5008 Appendix B.

8. The application of the intermediate and/or topcoat and the thickness of application shall comply with the manufacturer’s recommendations. NACE inspection is required for all surface preparations and coating applications per section 5.2 of NASA-STD-5008.

For Stainless Steel:

1. Degrease per SSPC-SP1 and mechanically clean per SSPC-SP2 or SSPC-SP3 using non-ferrous abrasive disc/sheets.

2. Lightly abrasive blast with a fine abrasive in accordance with SSPC-SP16 to achieve an angular profile of 1.5 - 3.0 mils.

3. Remove abrasive residue. Clean and dry the surfaces.

4. Apply an inhibited epoxy primer coat and a polyurethane topcoat (conforming to paragraphs 4.1.2.2.1 and 4.1.2.3.1, respectively, of NASA-STD-5008) from the approved products list of NASA-STD-5008 Appendix B.

5. After application of primer coat, completely seal the perimeter of all faying surfaces, joints open less than 1/2 inch and skip welded joints by applying polysulfide rubber or polyurethane sealant per guidelines in NASA-STD-5008 section 4.4.4.

6. The application of the coating and the thickness of application shall comply with the manufacturer’s recommendations.

7. NACE inspection is required for all surface preparations and coating applications per section 5.2 of NASA-STD-5008.

For Aluminum:

1. Degrease per SSPC-SP1 and mechanically clean (per requirements similar to those in SSPC-SP2 or SSPC-SP3) using non-ferrous abrasive disc/sheets, stainless steel brushes.

2. Lightly abrasive blast with a fine abrasive in accordance with SSPC-SP16 to achieve an angular profile of 1.5 - 3.0 mils.

3. Remove abrasive residue. Clean and dry the surfaces.

4. Apply an inhibited epoxy primer coat and a polyurethane topcoat (conforming to paragraphs 4.1.2.2.1 and 4.1.2.3.1, respectively, of NASA-STD-5008) from the approved products list of NASA-STD-5008 Appendix B.

5. After application of primer coat, completely seal the perimeter of all faying surfaces, joints open less than 1/2 inch and skip welded joints by applying polysulfide rubber or polyurethane sealant per guidelines in NASA-STD-5008 section 4.4.4.

6. The application of the coating and the thickness of application shall comply with the manufacturer’s recommendations.

7. NACE inspection is required for all surface preparations and coating applications per section 5.2 of NASA-STD-5008.

Touchup of welds and damaged coatings shall be accomplished per the guidelines identified in NASA-STD-5008 paragraph 4.4.3.8 to match the original finish.

The enclosure coating shall follow NASA-STD-5008 as outlined in this section.

For COTS components, the coating standard shall be followed as closely as practical. For purchased components, select the highest level of protection possible. Example: If a marine coating or high corrosion coating option is available, that shall be provided.

Enclosure Sealing or Pressurization The enclosure is expected to survive a launch environment (see section 3.4.3) while not operating. The enclosure shall be designed and constructed to minimize the intrusion of the post-launch environment including solid rocket motor plume. The enclosure shall be constructed to provide a degree of protection against ingress of solid foreign objects such as windblow dust and water (rain, sleet, snow, splashing water, and hose directed water).

If an adequate seal cannot be achieved, the enclosure shall include provisions to allow for the future installation of hardware for positive pressurization to minimize intrusion of the post-launch environment including solid rocket motor plume.

The enclosure could be outfitted with purge hardware in accordance with 79K07491 or other hardware that meets the intent of the pressurization requirements of NFPA 496. 79K07491 shows the inlet and outlet hardware required for hazardproofing purges and environmental purges to maintain low relative humidity and positive pressure. Otherwise, the enclosure could be pressurized to a minimum of 0.3 in. of water.

All openings required during operation shall have a means of automated closure upon system shutdown. Example: gravity or motorized damper on air intake louver.

Air Receivers The vendor shall supply air receivers of the appropriate size for the equipment proposed.

Air Receiver Size Restriction The air receivers, including nozzles and accessories, shall fit within a volume no larger than 175” long x 95” wide x 100” high to enable installation inside the LC-39 conditioned space.

If commercially available air receivers cannot meet the size restriction or if the receivers must be near the process equipment, then they shall be stainless steel construction and coated in compliance with NASA-STD-5008, Zone 2 using the coating specification from Section 3.3.5.2.

Air Receiver Material The air receivers shall be carbon steel with appropriate corrosion allowances for a 20-year life.

Air Receiver Coatings The air receivers shall be coated in compliance with NASA-STD-5008, Zone 5a which requires the use of an inhibitive epoxy shop primer followed by a polyurethane topcoat applied to a dry film thickness complying with the manufacturer’s recommendations.

ENVIRONMENTAL

The vendor shall supply hardware suitable for installation in the coastal environment at LC-39B, Kennedy Space Center, FL.

Ambient Air Temperature The supplied hardware shall operate during launch countdown at temperatures between 21°F and 101°F.

Wind Loading The supplied enclosure shall be designed to withstand 168-mph (56 psf) wind loads. If this requirement cannot be met, provide maximum wind loading capability in the proposal.

External securing required to meet the wind loading requirements such as anchors or tie downs shall be specified by the vendor.

Launch Induced The supplied hardware shall be capable of surviving the launch environment generated by the Space Launch System as defined in 3.4.3.1, 3.4.3.2, and 3.4.3.3.

Impingement Pressures The expected installation site will experience the following impingement pressures:

1. vertical pressure load of 0.05 psi [applied concurrently with 2]

2. lateral pressure load of 0.375 psi [applied concurrently with 1, evaluated from all directions as both positive and negative pressure]

Enclosures designed for hurricane wind loading of up to 168 mph are considered equivalent to the above plume impingement pressures.

Vibration The expected installation site will also experience vibration loads equivalent to the seismic requirements of ASCE-7 for the worst-case location in the continental United States, classified as either non-building structures or nonstructural components, site class D with Importance Factor, Ip=1.5.

Equivalent static loads are: +/-3.0 g in any direction.

Thermal Impingement All components mounted to the exterior of the enclosure shall be rated to at least 200°F. Low temperature materials such as plastics shall not be installed on the exterior of the enclosure.

DESIGN AND CONSTRUCTION

Compressed-Air Systems If the supplied compressed-air system’s operating pressure is below 150 psig, it shall be designed in accordance with a voluntary consensus standard such as one from ASME or the Compressed Gas Association (CGA). The proposed standard shall be included in the proposal.

If the supplied compressed-air system’s operating pressure is above 150 psig, it shall be designed in accordance with ASME B31.3 or ASME B31.1 and KSC-STD-Z-0005.

Stationary Pressure Vessels Any supplied stationary pressure vessels shall be designed, constructed, tested, and stamped in accordance with ASME BPVC-VIII, Division 1, 2, or 3.

Pressure Relief Devices Any supplied pressure relief devices for piping systems shall meet ASME B31.3.

Any supplied pressure relief devices for stationary pressure vessels shall meet ASME BPVC-VIII, Division 1, including the requirement for the ASME UV or UD stamp, or CGA S1.3 Electrical Systems The supplied electrical systems shall be in accordance with NFPA 70 and NFPA 70E.

TRANSPORTATION

The supplied hardware shall survive transportation to LC-39B, Kennedy Space Center and be environmentally protected such that the hardware is immediately operational upon activation by the vendor.

Shipping Transportation and/or shipping from the vendor’s facility to LC-39B, Kennedy Space Center shall be included in the proposal.

ON-SITE ACTIVATION

The vendor shall provide standard on-site activation services for the hardware after delivery and power connections are completed.

Documentation The vendor shall supply all documents necessary to demonstrate compliance with the design standards mentioned above and enable the use, operation, troubleshooting and maintenance of the hardware provided. The minimum required documentation includes the following:

1. Piping & Instrumentation Diagram for the compressed air system

2. Control System Integrated Schematic (if not covered by Item #1)

3. Indentured Parts List/Bill of Materials

4. Electrical Single Line Diagram

5. Electrical Panel Layout Drawings

6. Cut sheets for all major equipment

7. Product data for all major equipment

8. Product certifications/compliance documents, where applicable

9. NACE Inspection Reports (required per 5008, section 3.3.5.3)

10. Operations and Maintenance Manuals for all major equipment

11. Factory Acceptance Test Reports (dependent on vendor standard offerings)

12. On-site Activation Test Report(s)

13. Material Test Reports, where applicable

Interfaces Required from the Government Within two weeks after receipt of order, the vendor shall define the requirements of the interfaces provided by the Government. The Government expects to provide the following:

1. Process air point of connection to the enclosure including location, connection type and size.

2. Process air connections and, if applicable, installation constraints associated with the air receivers

3. Power point of connection(s) including location, connection type, cable sizing, minimum power service/breaker capacities. The available power service is not expected to exceed 480V, 600FLA.

4. Condensate discharge point of connection including location, connection type and size, if not discharged to grade.

5. Civil/structural interfaces to site including enclosure anchoring or other site preparations.

6. Size and weight of enclosure including all provided equipment

Training The vendor shall provide up to 4 hours of on-site training on the use of the equipment in conjunction with system start-up upon delivery. At minimum, the training shall cover the following:

1. Equipment Start-up

2. Equipment Shutdown

3. Equipment Rotations

4. Essential Maintenance Operations Warranty The vendor shall supply a warranty on parts and labor for a period of one calendar year beginning at equipment start-up.

Use or Disclosure is Limited to Restrictions on the Title Page of this Document image2.emf

Microsoft_Visio_Drawing.vsdx image1.png