P01-537-26-200 AHU-AC21 Schedule-ADDENDUM 1.pdf

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Attached to
Z1DA--537-26-200 FY26 Facility Cooling Improvements
Solicitation number
36C25226R0051
Issued by

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Written by GovTribe AI ·

This document is a revised Air Handling Unit (AHU) specification schedule for equipment tag AC-21, presented as Addendum #1 to a contract solicitation.

The schedule specifies a single rooftop-mounted AHU (AC-21) with a capacity of 28,740 CFM and external static pressure of 3.5 inches water gauge (in. W.G.), with total static pressure of 6.47 in. W.G. The unit operates on 208-volt, 3-phase, 60-hertz power and features a plug fan with 444-inch diameter operating at 95 feet per minute. The cooling coil is configured with 8 rows at 11 fins per inch, handling 1,375 MBH sensible cooling and 2,190 MBH total cooling capacity, with entering air conditions of 95°F dry bulb/75°F wet bulb and leaving air conditions of 53.5°F dry bulb/53.5°F wet bulb. The heating coil operates with 8 rows at 11 fins per inch, designed for -10°F entering water temperature and 88.1°F leaving air temperature, providing 3,248 MBH capacity at 325 GPM. Pre-filters consist of MERV 7 (PF-1) and MERV 13 (PF-2) options. The AHU is based on Carrier 39M Outdoor AHU, Temtrol PF Series AHU, or York custom-made AHU designs, utilizing 30% glycol for the heating coil circuit. Air friction loss is specified at 0.325 inches water gauge, and water friction loss is 325 feet water gauge equivalent.

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Other files

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ADDENDUM to FAR 52.pdf PDF
VA NOTICE OF LIMITATIONS ON SUBCONTRACTING.pdf PDF
36C25226R0051 0003.docx DOCX document
Response to Pre-Proposal RFIs 537-26-200 Final.pdf PDF
S02 - Wage Determination.txt TXT text file
36C25226R0051 0002.docx DOCX document
P01-537-26-200 AHU-AC21 ADDENDUM 1.pdf PDF
P01-SOW Exhibit B-Project Manual R-537-26 200-ADDENDUM 1.pdf PDF
P01-537-26-200 AHU-AC21 ADDENDUM 1.docx DOCX document
36C25226R0051 0001.docx DOCX document
P01 - SOW Exhibit A-Annotated Drawings - 537-26-200 ADDENDUM_1.pdf PDF
P01 - SOW Exhibit A-Bid Drawings - 537-26-200.pdf PDF
P01 - SOW Exhibit B-Project Specifications Finalized - 537-26-200.pdf PDF
P01 - SOW Exhibit C - 2019 Asbestos Reinspection Report - 537-26-200.pdf PDF
36C25226R0051.docx DOCX document
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Revised AHU AC-21 Schedule_ADDENDUM#1.

AHU AC-21 SCHEDULE

Tag

Location

Fan

Cfm

PRESSURE

IN. W.G.

PRESSU

RE IN,

WG,

MOTOR

FAN

COOLING COIL

HEATING COIL

PRE-FILTERS

BASED ON

REMARKS

Ext, S.P.

Total

S.P.

BHP/HP

Volts/Ph/Hz Diam

In

RPM Type Face GPM Area.

EAT

DB/WB

LAT

DB/WB

SC MBH TC MBH No. of

Rows/fpi

EW

T

°F

LWT

°F

Face Area Sq. Ft.

EWT

°F

LWT

°F

No. of

Row s/fpi

EAT

°F

LAT

°F

Capacity

MBH

GPM AIR FRICT.

INCH WG

WTR FRICT.

FT. WG

PF-1 = MERV 7.

PF-2 = MERV 13.

CARRIER 39M

OUTDOOR AHU

TEMTROL PF

SERIES AHU

YORK CUSTOM-

MADE AHU

30% GLYCOL

AC-21 Roof 28,740 3.5 6.47

208/3ɸ/60

Plug

Fan

444 95/75 53.5/53.5 1375 2190 8/11 40 55

180 160 8/11 -10 88.1 3248 325

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