Attachment A - SOW_Amd03.pdf
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- Mobile Shelter Structure for Lunar Lander
- Solicitation number
- 80LARC891866Q
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This Statement of Work (SOW) details NASA Langley Research Center's procurement of a Mobile Shelter Structure (MSS) for the Human Landing Systems (HLS) Project's Boilerplate Lunar Lander (BLL). The MSS must be a large, mobile shelter capable of fully enclosing the lunar lander, providing weather protection, and anchoring at one of three points on the Landing and Impact Research (LandIR) concrete pad. Key requirements include: surviving outdoor conditions for 6 years, withstanding winds up to 65 mph, operating in temperatures between 18-110 degrees F, and being movable within one hour using a telehandler and truck.
The solicitation is a 100% small business set-aside under NAICS code 332311 with a 750-employee size standard. Critical dates include a site visit on 20 FEB 2025, question submission deadline of 24 FEB 2025, and quote submission deadline of 05 MAR 2025. Initial unassembled MSS delivery is required by 16 MAY 2025, with final assembly and commissioning by 13 JUN 2025. The procurement will be awarded on a best-value basis considering technical capability, price, and delivery, with payment terms of NET 30 and no partial deliveries accepted. The period of performance runs from contract award through 31 JUL 2025.
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80LARC891866Q
STATEMENT OF WORK
for Mobile Shelter Structure (MSS) Procurement for the NASA Langley Research Center Landing and Impact Research Facility
1.0. Introduction. NASA Langley Research Center (LaRC) is currently conducting a Moon Landing Test (MLT) Project. As part of the project, the Human Landing Systems (HLS) Program is preparing to conduct a series of impact dynamics tests utilizing a Boilerplate Lunar Lander (BLL). Testing will be conducted at LaRC’s Landing and Impact Research (LandIR) Facility. The purpose of this effort is to procure a mobile shelter structure (MSS) capable of moving from west to east over the BLL while the BLL is stationed at one of two locations on the LandIR concrete pad. The MSS will provide for anchoring at one of three (3) points along the LandIR facility concrete pad.
2.0. Scope of Work. The procurement includes manufacture and delivery of an MSS with a paired anchoring system.
For the MSS, the Contractor shall provide a large mobile covered frame shelter structure that will serve as the primary storage housing for the BLL in-between testing and during months long periods of non-usage. The procurement includes the design, engineering, materials, fabrication, delivery, offloading, and assembly.
For the anchoring system, the Contractor shall provide a system capable of securing the shelter structure on the LandIR concrete pad. Should the anchoring system design require installation of anchors into the LandIR concrete pad, NASA will be responsible for the installation. The Contractor will not be responsible for installing any anchors if required as part of their anchoring system design. The procurement includes the design, engineering, materials, fabrication, delivery, and offloading.
The Contractor’s design shall allow for complete moving and anchoring of the MSS to a distance of 200-feet in less than (1) hour while using the mobility method outlined in SOW section 4.1.6.
3.0. Objectives. The purpose of this procurement is to provide weather and debris protection for the BLL, and its installed instrumentation, while at the LandIR Facility.
4.0. Procurement Specifications.
4.1. Mobile Shelter Structure (MSS). All materials used to construct the MSS shall be new, without defects. The quality of the materials used shall be such that the structure is in conformance with the performance requirements specified herein.
4.1.1. Environmental Loads and Sustainability Requirements.
4.1.1.1. Lifetime. The MSS shall be designed to provide a minimum 6-year operational use period with minimal inspection and maintenance. NASA defines minimal maintenance as what is necessary to maintain the 6-year life of the shelter frame, any fabric, doors, and access panels. Minimal maintenance includes checking fabric or shelter walls for proper taught-ness and adjusting as necessary. Also, adjusting cables, pulleys, trolleys, turnbuckles, lubricating moving parts, inspecting nuts, and bolts.
4.1.1.2. Protection Against the Environment.
4.1.1.2.1. Weather Exposure. The MSS shall be designed to remain outdoors, exposed to local weather, for the duration of the project. The shelter shall be capable of being assembled, operated, and dismantled in all ambient temperatures between 18 degrees F and 110 degrees F.
The MSS shall protect the BLL against sun, wind, rain, snow, and ice for the duration of the service life. The shelter, when anchored, shall provide resistance to withstand thunderstorm-level winds up to 65 miles per hour (mph). The shelter, when anchored, shall support a local ground snow or ice load of ten (10) pounds per square foot. Safe movement of the shelter shall be possible at wind speeds of 8 mph or less.
4.1.2. Sizing and Design Details.
4.1.2.1. Interior Dimensions. The MSS, when enclosing the BLL, shall provide a minimum clearance margin of 7.5-feet circumferentially around each section of the BLL, upper and lower. The MSS shall also allow for a minimum clearance of 2-feet above the BLL. The MSS shall have interior dimensions sufficient to enclose the BLL’s clearance boundary as defined in SOW section 4.1.2.1.1. Figure 1.
NASA plans to rest the BLL on cribbage during storage. The dimensions provided in SOW Figures 1 and 2 reflect the total dimensions of the BLL on the cribbage. The MSS shall be mobile and capable of moving over the BLL and its cribbage to provide an enclosed shelter. The interior of the shelter, below the main framework, shall be clear of any structural support member or component that could penetrate the BLL’s minimum circumference clearance margin. The Contractor is not responsible for providing cribbage for the BLL.
4.1.2.1.1. Figure 1 - Minimum Interior Dimensions. Note, the sizing of the BLL is given in Figure 1 with the upper and lower interior dimensions representing the BLL.
4.1.2.2. Large Bay Door. The MSS shall have a minimum of one (1) large bay door located at the east end of the shelter. The bay door shall meet the same environmental loads as the shelter. The bay door shall open to the east to allow the shelter to move over the BLL from the west. When closed, the bay door shall provide complete enclosure for the BLL. The bay door shall be able to be locked. The sizing of the bay door shall comply with the dimensional requirements defined in SOW section 4.1.2.2.1. Figure 2.
4.1.2.2.1. Figure 2 – Minimum Door Opening Dimensions.
4.1.2.3. Personnel Access. The MSS shall have one (1) additional door for personnel access, separate from the large bay door. The personnel access door shall be able to be locked.
4.1.2.4. Exterior Dimensions. The exterior dimensions of the MSS shall allow it to operate on and be anchored at one of three (3) location points on the concrete pad at the LandIR. The dimensions of the concrete pad and operating area are shown in section 4.1.2.4.1. Figure 3.
The Contractor shall ensure the shelter design results in sufficient clearance between the shelter, the Impact Barrier to the North, and the edge of the concrete pad to the South from where the shelter will sit at its nominal position.
The nominal position is denoted by the orange star in Figure 3 in front of the Impact Barrier. The area to be occupied by the Impact Barrier is indicated by the “keep out zone” in Figure 3. The gray crosshatched area in Figure 3 (area in front of and to the sides of the “keep out zone”) is an area where NASA plans to install an additional reinforced concrete pad. The reinforced concrete will sit atop the existing Gantry concrete pad and will be of a thickness of at least 6 inches and no more than 16 inches. The gray crosshatched area will not be occupied by the Impact Barrier and may be used for anchoring the MSS. In addition, the MSS will be permitted to traverse onto the crosshatched areas of the raised reinforced pad if needed.
The MSS design shall not require modifications to the LandIR facility, such as installing rails or modifying the existing concrete.
4.1.2.4.1. Figure 3 – Operating Area.
4.1.2.5. Weight Distribution. The MSS shall distribute its weight to impart a load no greater than 3000-psi into the concrete foundation.
4.1.3. Exterior Surfaces. The outer surface of the MSS shall be designed for outdoor applications and meet the lifetime requirements specified in SOW section 4.1.1.1. The shelter exterior shall form a continuous, uninterrupted, weather tight shell. The shelter outer surface shall be waterproof and free from defects. All roof, walls, end walls, and connecting sections shall be weather tight. The shelter shall provide a reasonable seal against air and water intrusion at the base perimeter. The shelter’s exterior surface shall not be designed to function as a key structural member. Any damage to or penetrations of the exterior surface shall not affect the integrity of the MSS structural framework or influence the ability of the MSS to operate.
If the shelter utilizes fabric membrane covers, they shall be tensioned biaxially (laterally and longitudinally) to prevent wear and tear and abrasion. A fabric membrane shall be assembled and tensioned to eliminate wrinkles in hot and cold temperatures.
For a fabric cover system that requires multiple covered panels, the cover system shall be designed such that adjoining panels are supplied with overlap joints to allow the panels to be sealed together. The Contractor shall provide all materials and methods necessary to fully tension and seal any membrane material around all doors, ventilation areas, openings, and around the Shelter perimeter. This seal shall be without any loose membrane cladding that could otherwise be damaged by flapping or abrasion.
If fabric membrane covers are employed, the Contractor shall provide a system for NASA to repair or patch minor penetrations or rips of fabric.
All membrane materials used in the construction of the shelter shall meet the flame propagation performance criteria of NFPA 701, Test Method 1 or Test Method 2, - OR - shall be treated with a flame retardant, in an industry approved manner, to meet the flame propagation performance criteria of NFPA 701, Test Method 1 or Test Method 2, for the lifetime of the shelter. The Contractor shall provide a certificate to NASA certifying that the membrane material, as delivered, meets the above-stated flame propagation performance criteria. The certificate shall come from a certified testing laboratory.
4.1.4. Structural Frame Materials
All welders shall be AWS D1.1/D1.3 certified (as applicable) and shall perform welding in accordance with AWS Standards. All welded components shall be prepared prior to the HDG finish coating.
Any weld or damaged areas on pre-galvanized steel shall be repaired explicitly complying with ASTM A780 Paragraph A2, Repair Using Paints Containing Zinc Dust, and Surface Preparation SSPC-11.
Aluminum extrusion used in structural components shall be clear anodized.
4.1.5. Truss Hardware. All bolts shall be installed and securely torqued to prevent change in tightness. Galvanic corrosion between Truss Materials and Hardware shall be considered when selecting all hardware. Hardware shall be selected to ensure that a corrosive galvanic cell is not created between the fastener and the frame component being fastened.
4.1.6. Mobility. The Shelter shall be mobile in X and Y axes (plane of the concrete pad) with no directional limits intrinsic to the equipment. The shelter shall be capable of freely moving between locations on the existing Gantry concrete (locations are indicated by each star shown in SOW section 4.2.2.1. Figure 4). NASA plans to utilize a 10,000 lb. capacity Telehandler style forklift (CAT model number TL1055D) in tandem with a pickup truck to move the MSS between locations. The forklift will push the MSS from the rear while the pickup truck pulls/tows the MSS from the front. The Contractor shall ensure that the MSS as designed can be moved using NASA’s telehandler and truck.
4.2. Anchoring System.
4.2.1. Environmental Loads and Sustainability Requirements.
4.2.1.2. Lifetime. The associated anchoring system shall be designed to provide a minimum 6-year operational use period with minimal inspection and maintenance. NASA defines minimal maintenance as what is necessary to maintain the 6-year life of the anchoring system. Minimal maintenance includes checking and adjusting cables, pulleys, trolleys, turnbuckles, lubricating moving parts, inspecting nuts, and bolts.
4.2.1.3. Design. The anchoring system and hardware shall be designed to provide resistance for the MSS to withstand thunderstorm-level winds up to 65 miles per hour (mph). The anchoring system shall be designed to properly secure the MSS in position without degrading or damaging the anchoring hardware. All anchoring hardware shall be galvanized to prevent corrosion.
If the anchoring system design requires installation of anchors into the new or existing LandIR concrete, NASA will be responsible for the installation. Anchoring system designs that involve the instillation of anchors into the LandIR concrete pad shall include a template to aid NASA in the drilling and installation of the anchors.
If the anchoring system design requires the use of weighted blocks, the blocks shall be able to be moved using NASA’s 10,000 lb. telehandler (CAT model number TL1055D), The anchoring system design shall not require the installation of rails into the LandIR concrete.
4.2.2. Anchor Point Locations. The LandIR facility consists of a 240-foot-tall x 260-foot-wide x 400-foot-long steel Gantry structure that rests on an unreinforced concrete pad. The MSS shall be equipped with an anchoring system that will secure it at one of three (3) anchor point locations along the concrete pad. Each star on SOW section
4.2.2.1. Figure 4 indicates an anchoring location point. The MSS shall be movable to each anchor point indicated in Figure 4.
The primary nominal anchoring point will be the position located in front of the Impact Barrier (denoted by the orange star in figure 4). When anchored at the nominal position, the center of the Lander shall be located 21.7-feet South of the Gantry Centerline.
4.2.2.1. Figure 4 – Anchor Point Locations.
5.0. Deliverables. All materials, components, equipment, and deliverables shall be delivered to NASA at the Contractor’s expense.
5.1. Anchoring Design Concept. The Contractor shall submit a description of the anchoring design concept being proposed to NASA for review as part of the Solicitation response.
5.2. Design Calculations and Drawings. The Contractor shall submit final design calculations and drawings to NASA for final approval before commencing manufacturing. Design calculations and drawings shall be submitted to the Technical Representative (TR).
5.3. Structural Load Report. The Contractor will submit a full Structural Load Report prepared by an independent third-party engineer licensed in the State of Virginia certifying that the MSS, when anchored, meets the requirements imposed by the stated wind, snow, and ice loads herein. The Structural Load Report should also confirm the MSS meets the ambient temperature rating specified in SOW section 4.1.1.2.1. The report shall be submitted to the TR.
5.4. MSS Delivery and Assembly.
5.4.1. Pre-Assembled Delivery. All materials, components, and equipment required to assemble the MSS shall be delivered to the LandIR facility Gantry Site during normal business hours on weekdays. All individual parts or bundles and packages of identical parts are to be clearly marked for identification. Delivery shall include a shipping document identifying the description, quantity, and piece mark of the various parts, components, and elements.
5.4.2. Assembly and Commissioning. The Contractor shall provide all labor, equipment, and materials necessary for assembly and commissioning of the MSS. The Contractor shall be responsible for the safe unloading, field storage, protection, and transfer to the work area of all materials and equipment. Materials shall not be dropped, thrown, or dragged over the transport equipment or the ground. Care should be given to protecting the finish of the components during handling and erection. The Contractor shall restore damaged property to its original condition at the Contractor's expense.
The Contractor shall manage all field operations on Center to include, but not limited to compliance in work force certifications, DOT, OSHA and Center standards, and applicable building and environmental code requirements.
The Contractor shall notify NASA of any crane services necessary for assembly.
NASA shall be responsible for inspecting, testing, and accepting of the MSS after assembly and commissioning in accordance with contract terms and conditions for commercial items specified under FAR 52.212-4(a) Inspection/Acceptance.
5.4.2.1. Safety and Health. The Contractor shall adhere to Langley Safety Requirements 7/2023 Section 01 35
26.00 99. See Exhibit 1.
Contractor employees assembling the MSS on-site at LaRC shall complete a LaRC safety brief prior to work beginning. The brief encompasses access requirements for workers, overview of PPE requirements while conducting work on center and safety items.
The Contractor shall complete check-in with Facility Coordinator (FC) or Alternate Facility Coordinator (AFC) daily while work is being conducted on center.
5.4.2.1.1. Lockout/Tagout (LOTO). All LOTO activities shall be coordinated through the center LOTO manager, Facility Coordinator (FC) and shall be in accordance with center directives. A written LOTO plan for the project may be required by the center LOTO manager. Outside (contractor) lockout/tagout programs require pre-approval from center safety office (specifically the center Fall Protection and LOTO manager).
5.4.2.1.2. Safety and Health Plan. The Contractor shall submit a Safety and Health Plan (includes risk assessment, worker certifications, personnel OSHA trainings, PPE to be worn, etc.) within 30 calendar days of contract award date (date the Contracting Officer Signs the Contract). Per NFS 1852.223-73, the Contractor shall not commence work until a functional review of the submitted Safety and Health Plan is completed by the NASA LaRC Safety and Mission Assurance Office (SMAO) Safety and Facility Assurance Branch (SFAB), and the Safety and Health Plan is approved by the Contracting Officer.
The Safety and Health Plan shall be written in accordance with the SITE-SPECIFIC SAFETY PLAN Template, provided as Attachment E to the solicitation. The Contractor is required to continually update the Safety and Health Plan when necessary (e.g., requirement change, safety regulation change, safety incident impact).
The Contractor shall submit a revised Plan for Contracting Officer approval no later than 30 calendar days after the effect of a change or incident.
Job Hazard Analysis (JHA) shall be completed by the contractor and submitted to the Facility Coordinator and Facility Safety Head for review.
5.4.2.1.3. Emergencies and Mishap Reporting. In the event of an emergency, the Contractor shall call 911 on a center telephone or 757-864-2222 from a cellular phone. The Contractor shall verbally notify the Safety and Facility Assurance Branch (SFAB) by calling 757-864-7233 of any NASA mishap (reference NPR 8621.1 as soon as practical, but no later than two (2) hours following occurrence.
For any incident that does not result in Contractor personnel injury, the Contractor shall submit a Safety Concern via NASA Langley Form 164 or through the NASA Mishap Information System (NMIS) Event/Hazard Reporting Website https://nmis.sma.nasa.gov/Home.aspx within 24 hours of occurrence. For any incident involving Contractor personnel injury/illness, the Contractor shall call the NASA Langley Research Center (LaRC) Occupational Health Clinic at 757-864-3193 [between 7:00 a.m. and 3:30 p.m. (M-F)] to initiate the injury/illness report within 24 business hours of occurrence if the injured employee does not seek initial treatment at the NASA LaRC Occupational Health Clinic. Any Contractor employee who receives medical treatment for a work-related injury from the LaRC Fire Department or an outside medical facility shall report to the NASA LaRC Occupational Health Clinic (Building 1216) when they return to work on Center at LaRC. The Contractor is required to investigate their own NASA mishaps and coordinate with SFAB on the submission requirements of the investigation report.
5.4.2.1.4. Waste Material. Tracking and disposal of waste material from the job shall be in accordance with Langley environmental standards. NASA will not be providing a dumpster for refuse. If a dumpster is required, the Contractor would need to provide it.
5.4.2.1.5. Notice of Violation. The Contractor shall respond to any Notice of Violation (NOV) issued for safety violations to the prime and/or its subcontractors. The response shall include the cause for violation; mitigation of impact, if applicable; and planned prevention of recurrence. The Contractor shall submit the response to the NASA LaRC Safety and Facility Assurance Branch (SFAB) and the Contracting Officer within three working days of issuance.
5.5. Anchoring System Delivery. All materials and components required to assemble the anchoring system shall be delivered to the LandIR facility Gantry Site during normal business hours on weekdays. All individual parts or bundles and packages of identical parts are to be clearly marked for identification. Delivery shall include a shipping document identifying the description, quantity, and piece mark of all various parts, components, and elements.
NASA shall be responsible for inspecting and accepting all anchoring system materials at time of delivery. NASA shall be responsible for the installation of any anchoring system components requiring modifications to the LandIR concrete pad.
5.6. Summary of Deliverables:
Item SOW Specification No. Due Date Anchoring Design Concept 5.1 With Submission to the
RFQ
Design Calculations and Drawings 5.2. 30 Days After Award Structural Load Report 5.3. 30 Days After Award Safety and Health Plan 5.4.2.1.2. 30 Days After Award Job Hazard Analysis (JHA) 5.4.2.1.2. 30 Days After Award Anchoring System 4.2., 5.5. 30-JUN-2025 Pre-Assembled delivery of MSS 4.1., 5.4.1 30-JUN-2025 All Documentation to include Certificates of Conformance, Material Certificates, Warranties, Manuals
6.0. 30-JUN-2025
Completed Assembly and Commissioning of MSS 4.1., 5.4.2. 31-JUL-2025
6.0. Documentation: The Contractor shall provide NASA all essential documentation, including warranty information, material certifications, operation and maintenance manuals, and protocols for the shelter and anchoring system. All design calculations and drawings shall be submitted to NASA for approval before commencing fabrication.
6.1. Membrane Material Flame Propagation. All membrane materials used in the construction of the shelter shall meet the flame propagation performance criteria of NFPA 701, Test Method 1 or Test Method 2, - OR - shall be treated with a flame retardant in an approved manner and meet the flame propagation performance criteria of Test Method 1 or Test Method 2, as appropriate, of NFPA 701, for the lifetime of the Shelter. A certificate executed by an approved testing laboratory certifying that the membrane material as delivered meets the above-state flame propagation performance criteria shall be provided to NASA by the Contractor.
7.0. Applicable Documents: The Contractor supplied hardware shall adhere to the standards and guidelines as described in the following documents.
Code Description ASTM A500 Specification for Cold Formed Welded & Seamless Structural Tubing ASTM A780 Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip
Galvanized Coatings ASCE 7-16 Minimum Design Loads for Buildings and Other Structures ASTM A572 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium
Structural Steel AWS D1.1/D1.3 Structural Welding Code-Steel and Steel Sheet Steel NFPA 701 Flame Propagation Performance Criteria for Membranes
8.0. Place of Performance: Contractor shall coordinate with the Technical Representative (TR) for delivery point specifics.
NASA Langley Research Center Landing and Impact Research Facility (LandIR) – Gantry Site 12 West Bush Road Hampton VA 23681
9.0. Period of Performance: The period of performance will be the award date through July 31, 2025.
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