MODIFICATION
66 -- COMPOSITE CURING OVEN
- Notice Date
- 11/5/2009
- Notice Type
- Modification/Amendment
- NAICS
- 333994
— Industrial Process Furnace and Oven Manufacturing
- Contracting Office
- NASA/Glenn Research Center, 21000 Brookpark Road, Cleveland, OH 44135
- ZIP Code
- 44135
- Solicitation Number
- NNC10312726Q
- Response Due
- 11/16/2009
- Archive Date
- 11/5/2010
- Point of Contact
- Dorothy E Viancourt, Purchasing, Phone 216-433-2532, Fax 216-433-2480, Email Dorothy.E.Viancourt@nasa.gov - Garnette A Dutton, Buyer, Phone 216-433-2828, Fax 216-433-2480, Email Garnette.A.Dutton@nasa.gov
- E-Mail Address
-
Dorothy E Viancourt
(Dorothy.E.Viancourt@nasa.gov)
- Small Business Set-Aside
- Total Small Business
- Description
- This is a modification to the synopsis entitled COMPOSITE CURING OVEN,NNC10312726Q which was posted on Nov 05, 2009. You are notified that the followingchanges are made: Below are all the technical questions that were submitted in regards to the originalposing. After each question is the corresponding technical answer from the requester/enduser. Also please note that the closing date for this posing has been extended. Pleasesee the new date at conclusion of this modification.What is the source Power. i.e. 110Volts, 220V, 440V ? 220V or 440V Either will workIs the awardee responsible for hook up and final certification or is that an internalfunction? Oven should be shipped assembled, but we can hook it up and certifyinternally.Is there a maximum temperature? NoMax weight? No- within reason. Does the chamber need to be vented to outdoors? No, but there should be a ventRisk of explosion? YesOperating Voltage 480V 3 ph 60 Hz? That will workAir flow volume and velocity?Not specified, only require both vertical and horizontalflowDo you have a preference for the oven interior? Does this refer to the dimensions? 2 ftwide by 2 ft long by 2 ft high. Or does it refer to the material? Able to withstand1000F processing tempWhat will be the normal operating temperature?In our experience composite curing ovenstypically operate in the range of 350F to 450F. Why the rating for up to 1000F? Normal operating temp will be between 350 to 450F. We would like to be able to go higherif the need arises for BMI and/or polyimide composites.What is the size and weight of the load? Size is approx. 1ft by 1ft composite panel,an accompanying vacuum bag assembly. ~ 50 lbsYou have specified the rate of heat up. At what rate do you wish to cool, and to whattemperature? Not sure but would like something like 5F per minute to control residualstressesThis is a small chamber, at only 8 cubic ft. Can we assume that outside height includesa floor stand?Yes.Our normal practice would be to have an external vacuum header, with legs projecting intothe chamber, terminating in barb type connections or quick disconnect fittings. Acustomer-supplied line connects the port to the bagged part, and a line from the baggedpart then leads out to a second port, where we have a vacuum transducer. This allows usto read the actual vacuum on the bagged parts.Your specs seem to call for twotransducers for each location, and we would assume one would be mounted on each legprojecting into the oven from the external header, in addition to those mounted"downstream" of the bagged parts. Is this correct? If so, what sort of connections andlines would you plan to use on the interior that could stand up to 1000F? The normaloperation will be 350 450.This wasnt specified.Maybe quick disconnects couldwork.What sort of digital recording unit do you prefer? In composite curing ovens we wouldnormally provide an Allen Bradley PLC and Panel View interface. All signals from thevacuum transducers would be fed into the PLC, which can be connected via Ethernet to thecustomer's computer system for data acquisition, archiving and printout. What youvedescribed is what we are looking for.What electrical service do you have that would be used for this unit - 230V/3 phase/60Hz, 440-480V/3 phase/60 Hz., etc.? Either can workAre we building a vacuum chamber oven or is the customer pulling a vacuum on a bag thatis put over their product inside of the oven chamber? Pulling a vacuum on a bagWhat make and model are specification from? Combined feedback from several vendorsAre you looking for a specific brand of Oven? NoConclusion: Please remember that all responses, bids and/or all questions are to be via e-mail (Dorothy.E.Viancourt@nasa.gov ), fax:216-433-2480 (attn: DE Viancourt), or the 1449form (see below or refer back to original posting). The due date for responses/bids is November 16, 2009 COB (extended from November 09,2009).Documents related to this procurement will be available over the Internet. Thesedocuments will reside on a World Wide Web (WWW) server, which may be accessed using a WWWbrowser application. The Internet site, or URL, for the NASA/GRC Business Opportunitieshome page is http://prod.nais.nasa.gov/cgi-bin/eps/bizops.cgi?gr=D&pin=22 Offerors are responsible for monitoring this site for the release of the solicitation andany amendments. Potential offerors are responsible for downloading their own copy ofthe solicitation and amendments (if any).Thank you, to all involved vendors, for your help and patience with this posting.
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