A0001_QA.docx

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Repair Steam Condensate Piping for Building 21
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AG-6197-S-17-0012
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Q. Specifications 22 10 00 calls for ductile iron below ground, detail 3 on sheet SP1.0 is showing drainage fittings. Drainage fittings are not available in ductile iron, how are we to proceed?

A. Proceed with piping as specified

Q. Note 4 on P2.0 states to provide a steam trap equal to the STP-107-1 in vault 107. Can we get a make and model number of the trap in vault 107?

A. The trap in valve vault 107 trap is a spirax sarco TD52 Thermodynamic steam trap. Max Operating pressure is 600 PSIG and max operating temperature is 800F. I’d like them to provide this trap or an approved equal for this.

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