Bldg 2 - B - ME.pdf

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Z1DA--595-26-204 Replace Chillers Buildings 1, 2, and 104 DB (VA-26-00013164)
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36C24426R0020
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This document is a mechanical systems diagram (riser diagram) depicting the piping and equipment layout for a building's HVAC and water systems. The diagram includes detailed schematic representations of various systems such as hot water supply and return (HWS/HWR), chilled water supply and return (CWS/CWR), low-pressure steam supply and return (LPS/LPR), and medium-pressure steam supply (MPS). Key equipment shown includes chillers (CH-1, CH-2), pumps (P-1 through P-9), heat exchangers, expansion tanks, air separators, and various valves like motor-operated isolation valves, gate valves, and check valves. The diagram uses color-coded lines to represent different pipe systems and includes a comprehensive legend explaining symbols and abbreviations for mechanical and plumbing components.

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3/4"

1" HWS AND HWR

UP TO CUH-4 ON

FIRST FLOOR

1" HWS AND HWR

UP TO CUH-5 ON

FIRST FLOOR

1¼"

4" HWS AND HWR UP

TO FIRST FLOOR

3/4"

1"

1"

3/4"

1¼"

4"

1"

P-8

HWS

HWR

HWR

HWS

HWS

HWR

UH

-6

UH

-5

HWS

HWR

UH-7

P-9

FFD

CHILLED WATER PUMP

VARIABLE FREQUENCY

DRIVE

4"

4"

4"

HOT WATER PUMP

VARIABLE FREQUENCY

DRIVE

3/4" 3/4"1"

2"

4"

4"

4"

HWS

HWR

HWR

HWS

P-4

P-5

HX

-1

PRV-1

ET-1

AS-2

AS-1

AS-3

ET-3

ET-2UH-4

P-6

P-7

P-1

CR-1

6"

2" CWS AND CWR

UP TO FIRST FLOOR 2"

3"

2 1/2" CWS AND CWR

UP TO FIRST FLOOR

EMERGENCY 2 1/2"

CWS AND CWR UP TO

FIRST FLOOR

MOTOR OPERATED

ISOLATION VALVE

2½"

MOTOR OPERATED

ISOLATION VALVE

3"

2"

2"

2½"

CWS

CWR

CWS

CWR

CWR

2½"

CWR

CWS

CWR

CWS

CWS

CWS

CWR

CWR

MOTOR OPERATED

ISOLATION VALVE

MOTOR OPERATED

ISOLATION VALVE

CWR

CWR

CWS

CWS

6 CHILLED

WATER SUPPLY AND

RETURN UP TO

CHASE

ABOVE

6"

3"

CWS

CWR

5"

4"

3" LPR

UP TO FIRST FLOOR

5" LPS

UP TO FIRST FLOOR

4"

LPR

LPS

5"

4"

5"

2 1/2" LPR FROM

DOMESTIC WATER HEATER

4" LPS TO DOMESTIC

WATER HEATER

3" LPR TO RECEIVER

3"

3"

LPR

LPS

LP

S

LP

S

LPR

2½"

PC

PC

4"

2½"

PC

V

4" V UPTO

FIRST FLOOR

6"

24"x24" UP TO FIRST

FLOOR WITH FIRE

DAMPER AT FLOOR

PENETRATION

(Z)1800

MP

S

MPS

6"

MPS

(Z)1800

36"X14"

GRILLE

THERMOSTAT

CHECK VALVE

MOTOR OPERATED ISOLATION VALVE

GATE VALVE

VOLUME DAMPER

FFD FIRE DAMPER AT FLOOR PENETRATION

PUMP

PIPE UP

FLOW DIRECTION IN PIPE

PIPE GUIDE OR SLEEVE

ANCHOR

ELBOW DOWN

UNIT HEATER

SYMBOL DESCRIPTION

LEGEND/LINETYPES

HWS HOT WATER SUPPLY

HWR HOT WATER RETURN

CWS COLD WATER SUPPLY

CWR COLD WATER RETURN

LPS LOW PRESSURE STEAM SUPPLY

LPR LOW PRESSURE STEAM RETURN

HPS HIGH PRESSURE STEAM SUPPLY

PC PUMPED CONDENSATE

V VENT PIPE

ABBREVIATIONS USED:

P: PUMP

ET: EXPANSION TANK

HX: HEAT EXCHANGER

AS: AIR SEPARATOR

CR: CONDENSATE RECEIVER

ET: EXPANSION TANK

PRV: PRESSURE REDUCING VALVE

MOTOR OPERATED DAMPER

CH-1

CH-2

CH: CHILLER UNIT

LOUVER

ISOLATION VALVE

CW

S

CW

R

6"

6" CHILLED WATER SUPPLY AND

RETURN FROM CAMPUS CHILLED

WATER SYSTEMS.

RISER

CRAWL SPACE

STAIR

MECH

MECH

MECH

MECH

MECH

ACCESS DOOR

ACCESS DOOR

P-2

P-3

P-4

6"CWR

3"PW

S

4-LEB-2-CW-1

TRANSDUCERS

4-LEB-2-PW-1

TRANSDUCERS

MPS MEDIUM PRESSURE STEAM SUPPLY

File details come from the government source that posted it. Updated .