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Notice Date
Notice Type
Sources Sought
Contracting Office
NASA/Langley Research Center, Mail Stop 144, Industry Assistance Office, Hampton, VA 23681-0001
ZIP Code
Solicitation Number
Response Due
Point of Contact
Sharon D. Deberry, Contract Specialist, Phone (757) 864-7928, Fax (757) 864-6131, Email S.D.DEBERRY@larc.nasa.gov
E-Mail Address
Email your questions to Sharon D. Deberry
NASA Langley Research Center (LaRC) is hereby soliciting information for potential sources for Stratospheric Aerosol and Gas Experiment (SAGE) III Contamination Measurement Package for the International Space Station Background In collaboration with the European Space Agency (ESA), Alenia Aerospazio, and Ball Aerospace, NASA LaRC intends to fly a scientific payload aboard the International Space Station (ISS) in April 2006. The payload, SAGE III/Hexapod, consists of SAGE III instrument components and Hexapod. The SAGE III instrument includes the Sensor Assembly, the Instrument Control Electronics (ICE), the Data Storage Unit (DSU), the Interface Adapter Module (IAM), and the Contamination Measurement Package (CMP). Hexapod consists of the Hexapod Mechanical Assembly (HMA) and the Hexapod Electronics Unit (HEU). Hexapod will provide attitude control for the SAGE III Sensor Assembly while aboard the ISS. The payload will be mechanically and electrically attached to an Express Pallet Adapter (ExPA). A suite of six ExPAs comprise the full payload complement for an Express Pallet System (ExPS). SAGE III will play a key role in global atmospheric observations. The scientific mission objectives are: 1) to map vertical profiles of stratospheric aerosols, ozone, nitrogen dioxide, and water vapor with approximately 1 km vertical resolution and determine high altitude cloud coverage globally; 2) to study the seasonal and global variations in these clouds and in stratospheric constituents in order to understand their effect on the Earth radiation budget and climate; 3) to utilize these stratospheric constituents as atmospheric tracers to study circulation, sources and sinks of these species, and transient phenomena such as volcanic eruptions; and 4) to investigate atmospheric chemistry involving these species and to study the optical and physical properties of aerosols. The SAGE III instrument is a highly sensitive optical instrument built for the NASA Earth Observing System (EOS) to monitor stratospheric aerosols and gaseous constituents. The application of the SAGE III instrument in the unknown and ever changing contamination environment on the International Space Station introduces concerns for its useful life, especially in the ultraviolet range of its measurements. A CMP will gather data on the rates of contaminative deposition at the SAGE III location. This will allow mission operators to predict contamination rates, sources and events. This information will allow the operators to take the necessary precautions to protect the SAGE III instrument, by restricting its operation in the direction of unacceptable contamination and during periods of unacceptable contaminating activities. Purpose of Notification In order to address this concern, NASA LaRC is soliciting for potential sources to provide a CMP that will provide the data needed to develop histograms of the contaminative deposition rates at the SAGE III location from each quadrant. The data from this hardware instrument will allow the correlation of the contamination level of Space Station environment with specific events and/or functions and provide a relative measurement rate of contamination associated with an event or function. The Contractor shall provide all resources to deliver the systems and services that meet the following requirements. In order to effectively integrate, test and operate the CMP, proper and adequate documentation and support in addition to ground support equipment will be required from the Contractor. Technical Requirements The CMP consists of contamination sensors, which will be used to measure the deposition of molecular and particulate contamination due to all sources. The CMP shall measure the deposition of contamination arriving from sources located 360 degrees in azimuth and +/- 75 degrees in elevation about the SAGE III Scan Mirror. The CMP shall locate the emitting contamination source within the azimuth and elevation fields of view to within ?5?. The CMP shall have the capability to distinguish the relative strength of contamination deposition sources in azimuth and elevation relative to the ExPA coordinate system. It shall provide this measurement at a rate of once per 10 sec. per sensor. The deposition measured will be processed on board by the CMP subsystem (including conversion of the frequency measurement to the approximate deposition thickness). The CMP sensors will be held at a temperature that is representative of the Sage III Elevation Mirror and must be able to periodically volatilize collected contaminants by heating. The CMP has one (1) discrete 0-5 V command input, one (1) 0-10 V Analog telemeter output, and one (1) 28 VDC power input available from the SAGE III Interface Adapter Module There is also a unidirectional Ethernet connection available from the ExPA to transmit science data towards ExPS. Continuous operation of the CMP sensors is expected to be necessary immediately after orbit insertion. The data from the CMP will be down linked to the ground. Sensor designs must include built-in heaters to permit cleaning of the sensing surfaces on orbit. Each sensor shall be calibrated after bake-off by sending a mid-range voltage for one minute to determine any voltage drift. The CMP shall measure the deposition of contamination at a level of at least 4.42 x 10-9 g/cm2/Hz for a temperature range of +80?C to -50?C. The CMP shall operate within specification at ambient pressures from sea level to deep space. The total weight of the CMP shall not exceed 5 pounds. The power of the CMP shall not exceed 12 Watts average power (20 W peak). The equipment of the CMP shall be capable of useful life of 10 years of ground test and in-orbit operation. The mission life requirement is 5 years. Evidence of Capability Since this proposed activity provides space-flight hardware, which in turn provides data products to the SAGE III Mission Operations Team, it is essential that the Contractor have experience designing, producing, environmentally testing, and delivering space-flight hardware and associated ground support equipment. No solicitation exists; therefore, do not request a copy of the solicitation. If a solicitation is released it will be synopsized in FedBizOpps and on the NASA Acquisition Internet service. It is the potential offeror's responsibility to monitor these cites for the release of any solicitation or synopsis. Interested offerors/vendors having the required specialized capabilities to meet the above requirement should submit a capability statement of 2 pages or less indicating the ability to perform all aspects of the effort described herein. Responses must include whether they are large, small, small disadvantaged, 8(a), HUBZone, woman-owned, and/or veteran-owned. Technical questions should be directed to S. E. Holloway at 757-864-7090 or e-mail: s.e.holloway@larc.nasa.gov. Procurement related questions should be directed to S. D. DeBerry at 757-864-7928 or e-mail: s.d.deberry@larc.nasa.gov. Please advise if the requirement is considered to be a commercial or commercial-type product. A commercial item is defined in Internet "Note A". [INTERNET ONLY (commercial product definition)] This synopsis is for information and planning purposes and is not to be construed as a commitment by the Government nor will the Government pay for information solicited. Respondents will not be notified of the results of the evaluation. Respondents deemed fully qualified will be considered in any resultant solicitation for the requirement. The Government reserves the right to consider a small business, 8(a), or HUBZone set-aside based on responses hereto. All responses shall be submitted to NASA Langley Research Center, Attn: Industry Assistance Office, Mail Stop 144, Hampton, VA 23681-2199, no later than August 20, 2002. In responding, reference SS-CMP. Any referenced notes can be viewed at the following URL: http://genesis.gsfc.nasa.gov/nasanote.html.
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