RFI Q_A_ B1320 HVAC.pdf
PDF 359 KB Posted
- Attached to
- Construction - B1320 HVAC Retrofit Federal contract opportunity
- Solicitation number
- N6660421Q0292
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| N6660421Q0292 Amendment 0002.pdf | ||
| N6660421Q0292 Amendment 0001.pdf | ||
| N6660421Q0292.pdf | ||
| Attachment_5_ 52.204_24 COMPLETE AND RETURN.pdf | ||
| Attachment_4_USE OF MASKS AND OTHER PUBLIC HEALTH MEASURES OSD000860-21 RES FINAL.pdf | ||
| Attachment_3_ Covid Questionare (1).pdf |
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Text version
Q1-Pictures of each breaker panel (able to zoom on existing breakers to match part# and AIC ratings, location of existing disconnect for dehumidifier and new disconnect for heat pump, general picture of above ceiling tiles in electric room, wall above electric panels.
A1-The existing panel is a square D cat. No. NEHB30435-2CU, series E1.
Q2-Can flexible metal conduit be installed above drop ceiling? Change over to EMT conduit below drop ceiling(s) in mechanical room #170 and electrical room #146?
A2- Metal flexible conduit is not allowed, only a maximum of 6’-0” at the operating equipment.
Q3-drwaing E-1 notes to remove 45 amp breaker in space 13 (in panel HP12)… Space 13 has a 20 amp breaker in it and space 16 has a 45 amp breaker: which breaker/space will actually be used removed and replaced with 50 amp shunt breaker for HP-1?
A3-Remove 45 amp breaker in panel space 14,16,18 and replace with a 50 amp shunt breaker.
Q4- is there glycol in the water piping system? If so, is it propylene glycol?
A4-This is a condenser water loop there is no glycol.
Q5- are there isolation valves on the water piping serving the heat pump unit? No valves were visible during the walk-thru..
A5- There are no isolation valves present.
Q6-can ‘grooved’ copper fittings (ie: Victualic) be used for the new water piping to heat pump?
A6-Grooved copper fittings are no allowed.
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