Laredo_RFI_(1).pdf

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Replacement of cooling tower & Pumps at Federal Building/Courhouse, Laredo, TX
Solicitation number
47PH1118R0009
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Contractor questions with Government responses.

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47PH1118R0009 - Laredo Cooling Tower

During the site visit, it was stated via phone that the magnitude of this project is between $500,000 - $1,000,000. On the Fedbizopps, it says $250,000 - $500,000. Which is the correct magnitude for this solicitation? The magnitude is $250,000-$500,000. Refer to the FBO solicitation.

Who is the current provider for the existing DDC/BAS system for this facility? David Morris Performance Controls Group, LLC.

24044 Cinco Village Center Blvd. Suite 100 Katy, TX 77494 o 713.559.6999 f 281.547.6001 c 281.900.9808 dmorris@performancecontrolsgroup.com David.morris@gsa.gov

Where are the cooling tower VFD's to be installed? Indoor/Outdoor? NEMA rating?

Inside the chiller mechanical room. Indoor NEMA 1

Who is the current provider for the central plant chemical treatment & maintenance?

WTS is the current sub.

In reference to the Fan Coil units:

Are these to be single wall or double wall construction? Double Wall. Please provide specifications. Specifications are in the solicitation.

This is calling for a 24/7 Time Clock.

Would it be acceptable to substitute for a 7 day programmable thermostat? Yes Insulate supply air duct?Yes Internal or external? External Insulation type, density, thickness/r-value? Duct Board 1.5 Inch! Density 70Kg/m3! Minimum R 4 r value

During the walk-thru it was noticed that the condenser water lines to the cooling tower were insulated? Is it required the new piping be Insulated? No

Would it be acceptable to use Aquatherm SDR-17.6 PP-R resin (Fusiolen) for piping sizes 2.5"> and type-L copper/pro-press for 2"<? No! Copper tubing will be permitted for the cooling tower makeup water line. Steel pipe will be required for condenser water lines and chilled water lines.

https://www.fbo.gov/index?s=opportunity&mode=form&id=5f1102820ea990fcc4f179361e52d9be&tab=core&_cview=0 https://maps.google.com/?q=24044+Cinco+Village+Center+Blvd.+Suite+100+Katy,+TX+77494&entry=gmail&source=g https://maps.google.com/?q=24044+Cinco+Village+Center+Blvd.+Suite+100+Katy,+TX+77494&entry=gmail&source=g

47PH1118R0009 - Laredo Cooling Tower https://www.fbo.gov/index?s=opportunity&mode=form&id=5f1102820ea990fcc4f179361e52d9be&tab=core&_cview=0

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