SOLICITATION NOTICE
43 -- Planetary, Lunar, & Asteroid Natural Environment Testbed (PLANET) Vacuum Vessel & Pumping System
- Notice Date
- 2/7/2023 11:12:40 AM
- Notice Type
- Solicitation
- NAICS
- 332420
— Metal Tank (Heavy Gauge) Manufacturing
- Contracting Office
- NASA MARSHALL SPACE FLIGHT CENTER HUNTSVILLE AL 35812 USA
- ZIP Code
- 35812
- Solicitation Number
- 80MSFC23R0001
- Response Due
- 2/24/2023 2:00:00 PM
- Archive Date
- 03/11/2023
- Point of Contact
- Treka House, Sadie Moulton
- E-Mail Address
-
treka.l.house@nasa.gov, sadie.m.moulton@nasa.gov
(treka.l.house@nasa.gov, sadie.m.moulton@nasa.gov)
- Small Business Set-Aside
- SBA Total Small Business Set-Aside (FAR 19.5)
- Description
- Amendment 0003 to Solicitation 80MSFC23R0001 is being issued to do the following: Provide answers to questions received in reference to the technical requirements of this solicitation. � Update the solicitation primary Point of Contact to Treka House (treka.l.house@nasa.gov). All other terms, conditions and specifications remain unchanged. � Offerors who have already submitted a response should either confirm the validity of their proposals OR submit a revised proposal prior to the amended due date. � Answers to Questions Received Q1: Please confirm size of the vacuum vessel is 79� ID x 118� S/L in 304 SS. A: Yes, the interior dimensions of the main cylinder are 79 inches ID X 118 inches in length (not including the curvature of the door domes) Q2: Section 2.1.1 of the SOW requires glass bead blasting of the surface finish, should this be applied inside or outside or both? A: Both the interior and exterior surfaces should be glass bead blasted Q3: Section 2.1.3 of the SOW, calls for saddle style chamber supports � Qty 3 � ASME Code design criteria use Zick design criteria for saddles and only 2 saddles are used in the design � is there a reason for the use of 3 saddles? Are (3) legs (saddles) required or would (2) be acceptable? A: A quantity of 3 chamber supports is required. The quantity is driven by future increases in chamber loads and to accommodate the placement of the bottom chamber port. Q4: Is there a need for the open area under-saddle-clearance as depicted in the vacuum chamber drawing? A: Yes, an open area under the saddles will allow for electrical wiring, hoses, etc. and access to the bottom port. Q5: Saddle design leg height was provided as 24� � is this measured from the bottom of the vacuum vessel resulting in a vessel centerline dimension of approx. 64� to the vacuum vessel floor? A: The centerline of the chamber, mounted on the saddles, should be between 60 to 64 inches from the floor. The leg height could be customized to achieve this centerline height. Q6:� Section 2.1.14 of the SOW, calls for internal rails for a grating mount � is the grating part of the scope of supply? What is the expected weight of the grating and the load to be placed on the grating? A: The grating is not part of the scope of supply. The expected weight of the grating plus load is anticipated to be 3000 lb. spread over the area of the grating. Q7: What is the width of the grating that will support the tray inside the vessel? A: The grating width is expected to be approximately 60 inches. � Q8: What is the required internal and external design pressure and temperature? A: As a high-vacuum vessel the expectation is for internal operating pressure from atmosphere (760 Torr) to 1.0E-7 Torr base vacuum. The external pressure environment will simply be atmospheric pressure (14.7 PSI). The vacuum vessel will be housed in a standard conditioned laboratory where the external temperature will be controlled within the range of 20 � 25 Celsius.� Internal temperatures of the vacuum vessel walls may experience a slightly wider range based on experiments involving heating and cooling of samples.� However, the internal temperature will be limited by radiative heat transfer due to vacuum conditions.� Therefore, the internal vacuum vessel wall temperature will range from 15 � 30 Celsius. Q9. Since both ends of the chamber have hinged closures, are they expected to be hinged on opposite sides of the chamber to keep weight distribution somewhat equal? A: Yes, the hinges can be placed on opposite sides of the chamber for weight distribution. Q10. What method of sealing the ends is required, clamping, or bolting? A: A clamping closure is preferred. Q11. Is an equivalent chamber model number available? A: No Q12. Are the legs are boxed (closed) on the underside? A: Yes, the legs will be capped with a flanged end with holes to allow bolting to facility floor with � inch bolts. � Amendment 0002 to Solicitation 80MSFC23R0001 was issued to do the following: 1) Extend the solicitation response due date from 4:00 PM CST on 2/8/2023 to 4:00 PM on 2/24/2023. Offerors who have already submitted a response should either confirm the validity of their proposals OR submit a revised proposal prior to the amended due date. Amendment 0001 to Solicitation 80MSFC23R0001 was issued to do the following: 1.�� �Provide preliminary drawing PLANET VV-101 as referenced in Attachment 1- Statement of Work. Planetary, Lunar, & Asteroid Natural Environment Testbed (PLANET) Vacuum Vessel & Pumping System This is a solicitation for commercial items prepared in accordance with the format in FAR Part 12 and Part 15, as supplemented with additional information included in this notice. Solicitation number 80MSFC23R0001 is issued as a Request for Proposals (RFP). This solicitation document and incorporated provisions and clauses are those in effect through Federal Acquisition Circular 2023-01 effective 30 December 2022. The applicable North American Industry Classification System Code is 332420 and the Product Service Cose is 4310. The small business size standard is 750 employees. This is a 100% Small Business set-aside. FOB Destination is required; see Attachment 1 � Statement of Work for specific delivery instructions. �
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