RFI and Response.pdf
PDF 30 KB Posted
- Solicitation number
- 36C24626B0039_0001
About this file
This document is a Request for Information (RFI) and Response addressing specifications for underground chilled water piping in a federal construction project.
The RFI clarifies that underground chilled water supply and return piping shown on drawing MH100 must be direct-buried steel pipe (ASTM A53, Schedule 40) with cellular glass insulation and aluminum jacket, in accordance with Sections 23 21 13 and 23 07 11 of the specifications. All buried piping must be installed per trench and burial details specified on drawings CU101 and MH500. The response emphasizes that all insulation and jacket systems must be continuous and weathertight for underground service, with the drawings clearly indicating the piping as buried and the specifications requiring steel pipe with complete insulation and jacket protection for all underground chilled water lines.
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Other files
| File | Type | Posted |
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| RFIs aand Responses3...pdf | ||
| 52.232-18 Availability of Funds..pdf | ||
| RFIs and responses3.pdf | ||
| 36C24626B0039 0001.pdf | ||
| RFIs -Responses2.pdf | ||
| SITE VISIT SIGN IN.pdf | ||
| 36C24626B0002 - Instructions to Offerors.pdf |
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Text version
RFI and Response
RFI -
232113 does not indicate if the underground chilled water supply and return is to be pre-insulated steel pipe shown on MH100? The detail on drawing shows it buried
Response- The underground chilled water supply and return piping shown on MH100 is to be direct-buried steel pipe (ASTM A53, Sch 40) with cellular glass insulation and aluminum jacket, per Section 23 21 13 and Section 23 07 11. The drawings show the piping as buried, and the specifications require steel pipe with insulation and jacket for all underground chilled water lines. All buried piping must be installed per the trench and burial details on CU101 and MH500. All insulation and jacket systems must be continuous and weather-tight for underground service.
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