Attachment 20 - Building T7 Walla Walla System Replacement M.pdf

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J045--CON-NRM-687-21-106 Replace Mechanical and Plumbing Systems in Multiple Buildings
Solicitation number
36C26025R0065
Issued by

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The document is a mechanical plan drawing for Building T-7 at the Walla Walla Veterans Affairs facility, depicting second floor and attic mechanical system layouts. The drawing, prepared by GDM, Inc. for the Veterans Health Administration VISN 20, shows detailed HVAC and refrigerant piping configurations, including specific air handling units (0T7-IU-1, 0T7-IU-2, 0T7-IU-5, 0T7-IU-6), air terminal units, and associated ductwork with airflow volumes ranging from 25 to 3500 CFM. The plan includes notations for new temperature sensor installations, existing access hatches, and specifies refrigerant piping details such as liquid and gas line sizes, with the project identified as a mechanical and plumbing systems replacement for Building T-7.

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(E) 10"ø SA

(E) REFRIGERANT PIPING DN

TE

(E) INDOOR UNIT 0T7-IU-1

16"x26"SD-2

1510 CFM

24"x14"RG-2

1500 CFM

24"x14"RG-2

1500 CFM

16"x26"SD-2

1510 CFM

18"x14" SA

16"x14" RA

14"x18" SA

16"x14" RA

24"x18" SA

18"x14" SA

REFRIGERANT PIPING UP/DN

1/4" RS (LIQUID)

3/8" RR (GAS)

0T7-IU-6

0T7-IU-5

24"x18" OSA

36"x36"0T7-L-2

3500 CFM

24"x18" EA

REFRIGERANT PIPING DN

0T7-IU-2

T7.1

T7.A

(E) ACCESS HATCH

TE

MH006

(TYP)

MH007

(TYP)

6"x6"SD-2

25 CFM

(E) SPEAKER BOX

(E) ACCESS HATCH

(E) 24"x48"

GRILLE

6"x6"SD-2

25 CFM

6"x6"EG-2

25 CFM

6"x6"EG-2

25 CFM

MH006

(TYP)

6"x6" EA UP/DN

6"x6" OSA UP/DN

MH007

(TYP)

3/4" COND DN

REFRIGERANT PIPING

42"x36"0T7-L-1

3500 CFM

MH007

(TYP)

0T7-DH-1

T7.1

T7.A

0T7-ERV-1

(E) ACCESS HATCH

T7-WC-2

T7-WC-1

6"x6" EA DN

6"x6" OSA DN

6"x6" OSA

6"x6" EA

6"x6" EA DN TO

AIR TERMINAL

6"x6" EA DN TO

AIR TERMINAL

6"x6" OA DN TO

AIR TERMINAL

6"x6" OA DN TO

AIR TERMINAL

PROJECT NUMBER

BUILDING NUMBER

DRAWING NUMBER

PROJECT TITLE

LOCATION

ISSUE DATE CHECKED BY DRAWN BY

DRAWING TITLE

APPROVED:

VA FORM 08 - 6231

A

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

PHASE

ARCHITECT/ENGINEER OF RECORD STAMPCONSULTANT

321 4 5 6 7 8 9 10

FLS

2025/03/17

100% CONSTRUCTION

DOCUMENTS

CONSULTANT

2025/03/17

GDM, Inc.

1308 NE 134th St, Suite A

Vancouver, WA 98685

P: 541.436.4723

ADAM GODDIN, PE

WWW.GDM-AE.COM

VETERANS HEALTH

ADMINISTRATION

VISN 20

A u to d e s k D o c s /2

-0

W a lla

W a lla

R e p la c e

M e c h a n ic a l S y s te m s /2

-0

W a lla W a lla

S y s te m R e p la c e m e n t_

M e c h a n ic a l_

.r v t

/3

/2

:2

:2

P

M

0T7-MH-102

BLDG T-7 MECHANICAL PLANS REPLACE MECHANICAL AND

PLUMBING SYSTEMS

WALLA WALLA, WASHINGTON

687-21-106

KTJB

A/E

FULLY SPRINKLERED

1/4" = 1'-0"1

BLDG T-7 SECOND FLOOR MECHANICAL PLAN

T-7

PLAN NOTES

1 PROVIDE NEW TEMPERATURE SENSOR INSTALLED AT 4'-6"AFF. CONNECT TO

DDC SYSTEM.

1/4" = 1'-0"2

BLDG T-7 ATTIC MECHANICAL PLAN

NORTH

NORTH

Revisions: Date:

BID UPDATE 07/31/2025

Sheets
0T7-MH-102 - BLDG T-7 MECHANICAL PLANS

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