S02 - 06 - VA Hospital Phase 2E - ATC As-Built Drawings.pdf

MECHANICAL AND CONTROL SYSTEMS

Environmental Control System

Building Automation System

PROJECT

ARCHITECT

ENGINEER

CONTRACTOR

211-1009

DATE CONTRACT NUMBER

IW/BM

APPLICATION ENGINEER

12/30/11IW/JA

PROJECT MANAGER

IW

SALES ENGINEER

REFERENCE DRAWING

NO. REVISION-LOCATION ECN DATE BY

Automatic Temperature Controls

Heating

Air Conditioning

Air Filters

Water Treatment

Coil Cleaning

Contract Operations

Time-Shared Automated Building Service

Refrigeration

Industrial Controls / Recording / Indication Equipment

Air and Water Systems Balancing

Instrumentation System Installation

Building Operations Management

Energy Conservation Control

Custom Programmed Maintenance

VA MEDICAL CENTER

HVAC CONTROLS UPGRADE - PHASE 2E

WILMINGTON, DELAWARE

HATCH MOTT MACDONALD

27 BLEEKER ST.

MILLBURN, NJ 07041

BOB SMITH CONTRACTORS

281 EAST EVERGREEN ST.

WEST GROVE, PA 19390

DEPT. OF VETERANS AFFAIRS

1601 KIRKWOOD HIGHWAY

WILMINGTON, DE 19805

VA HVAC CONTROLS UPGRADE - PHASE 2E

(PARTIAL SUBMITTAL - INCLUDES GROUND & 1ST FLOOR HVAC EQUIPMENT)

PAGE # DRAWING TITLE LAST REVISION

TP-1 TITLE PAGE 01/28/14

C-1A AIR HANDLING UNIT CONTROL – AHU-1 (MER 245) 12/06/13

C-1B CONTROLLER WIRING DETAIL – AHU-1 (MER 245) 12/06/13

C-1C SEQUENCE OF OPERATIONS – AHU-1 (MER 245) 12/06/13

C-2A AIR HANDLING UNIT CONTROL – AHU-2 (MER 245) 12/06/13

C-2B CONTROLLER WIRING DETAIL – AHU-2 (MER 245) 12/06/13

C-2C SEQUENCE OF OPERATIONS – AHU-2 (MER 245) 12/06/13

C-3A AIR HANDLING UNIT CONTROL – AHU-5 (MER 227) 12/06/13

C-3B CONTROLLER WIRING DETAIL – AHU-5 (MER 227) 12/06/13

C-3C SEQUENCE OF OPERATIONS – AHU-5 (MER 227) 12/06/13

C-4A AIR HANDLING UNIT CONTROL – AHU FOR REHAB 12/06/13

C-4B CONTROLLER WIRING DETAIL – AHU FOR REHAB. 12/06/13

C-4C SEQUENCE OF OPERATIONS – AHU FOR REHAB 12/06/13

C-5A AIR HANDLING UNIT CONTROL – AHU FOR MORGUE 12/06/13

C-5B CONTROLLER WIRING DETAIL – AHU FOR MORGUE 12/06/13

C-5C SEQUENCE OF OPERATIONS – AHU FOR MORGUE 12/06/13

C-6A TYPICAL VAV BOX CONTROL; GROUND FLOOR CLINICAL ADDITION 12/06/13

C-6B TYPICAL VAV BOX CONTROL; 1ST FLOOR ADDITION 12/06/13

C-6C TYPICAL VAV BOX CONTROL; 1ST FLOOR EAST 12/06/13

C-7A TYPICAL HEAT EXCHANGER CONTROL (CLINICAL) 12/20/13

C-7B CONTROLLER WIRING DETAIL – TYPICAL HEAT EXCHANGER (CLINICAL) 12/20/13

SUB. REVISION TITLE DATES1 12/13/11 VD

AS-BUILT REV. DRAWING TITLE/DATES2 12/06/13 BM

2 3

AS-BUILT REV. ADD ‘MASTER’ NOTE3 01/28/14 DB

NOTE(S): REFER TO ‘MASTER BUILDING NETWORK ARCHITECTURE DRAWING’

PROVIDED IN OUR ATC AS-BUILT / O&M MANUAL BINDER FOR ALL

SUPERVISORY CONTROLLER INFORMATION AND ASSOCIATED IP

ADDRESSES USED BY MODERN CONTROLS.

REFER TO ‘MASTER BUILDING VALVE SCHEDULE’ PROVIDED IN OUR

ATC AS-BUILT / O&M MANUAL BINDER FOR A COMPLETE LIST OF ALL

CONTROL VALVES PROVIDED FOR AIR HANDLING UNITS AND

ASSOCIATED VAV BOXES.

IW/BMIW/JAIW BM 12/30/11

C-1C

Sales Engineer Project Manager Application Engineer

BY DATE BY DATE

DRAWN APPROVED

TRACT NUMBER

WING NUMBER

Drawing Title

SEQUENCE OF OPERATIONS -

AHU-1 (MER 245)

Project Title

VA HVAC CONTROLS UPGRADE -

PHASE 2E

WILMINGTON, DELAWARE

AHU-1 (MER 245) AND AHU-4 (MER 2147) - SEQUENCE OF OPERATION

1. GENERAL

UNITS ARE NORMALLY STARTED AND STOPPED BY THE DCP OR REMOTELY AT THE BMS. H-O-A SWITCH SHALL BE KEPT IN THE “AUTO” POSITION. “HAND” AND “OFF”

POSITIONS SHALL BE USED FOR MAINTENANCE ONLY. WHEN THE UNITS ARE “OFF” D-1 SHALL BE CLOSED. WHEN THE UNITS ARE “ON” D-1 SHALL BE FULLY OPEN.

2. TEMPERATURE CONTROL

SUPPLY AIR TEMPERATURE SENSED BY T-1 SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING V-1 AND V-2 IN SEQUENCE.

PUMP 1-P7 RUNS WHEN OUTDOOR AIR TEMPERATURE AT T-1 IS BELOW 45°F AND ABOVE 80°F. PUMP IS OFF WHEN OUTDOOR AIR TEMPERATURE IS BETWEEN 46°F AND

79°F.

3. AIR FLOW CONTROL

THE SUPPLY FAN SHALL RUN AT CONSTANT SPEED PROVIDING CONSTANT AIR FLOW.

4. HUMIDITY CONTROL

WHEN THE DCP IS NOT CALLING FOR HUMIDIFICATION (BASED ON HUMIDITY SENSED BY THE EXHAUST BY THE EXHAUST AIR HUMIDISTAT H-1), THE TWO-WAY “ON-OFF”

CONTROL VALVE V-3 SHALL REMAIN CLOSED. WHEN THE DCP IS CALLING FOR HUMIDIFICATIN, V-3 SHALL OPEN.

EXHAUST AIR HUMIDITY SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING CONTROL VALVE V-4 TO MAINTAIN THE DESIRED HUMIDITY. THE DCP SHALL

OVERRIDE THE CONTROL TO MAINTAIN HUMIDITY IN SUPPLY DUCT BELOW 80% AS SENSED BY H-2.

DCP SHALL CLOSE VALVE V-3 WHENEVER THE SUPPLY FAN IS OFF.

VALVE V-4 SHALL BE INTERLOCKED WITH A TEMPERATURE SWITCH TO KEEP THE HUMIDIFIER OFF UNTIL CONDENSATE TEMPERATURE APPROACHES STEAM

TEMPERATURE.

5. FREEZE PROTECTION

IF THE AIR TEMPERATURE SENSED BY T-2 FALLS BELOW 45°F AN ALARM SIGNAL SHALL INDICATE AT THE DCP AND BMS. IF THIS TEMPERATURE FALLS BELOW 40°F THE

SUPPLY FAN SHALL SHUT DOWN, D-1 SHALL CLOSE AND A CRITICAL ALARM SHALL INDICATE AT THE DCP AND BMS.

6. EMERGENCY SHUTDOWN/RESTART

WHEN SMOKE IS DETECTED BY THE DUCT MOUNTED SMOKE DETECTOR THE SUPPLY FAN SHALL SHUT OFF AND AN ALARM SIGNAL SHALL BE TRANSMITTED TO THE FIRE

ALARM SYSTEM, DAMPER D-1 SHALL CLOSE, EXHAUST FAN SERVICING AREAS OF THE SUPPLY FAN SHALL CONTINUE TO RUN.

SUPPLY FAN RESTARTS AND DAMPER D-1 OPENS WHEN THE FIRE ALARM CIRCUIT IS MANUALLY RESET.

CONTROLLER WIRING DETAIL – AHU-1 (MER 245)

(ASSOCIATED W/ AHU-4 IN MER 2147)

AS-BUILT REV. NEW DWG.1 12/6/13 BM

SEE CONTROL DRAWING C-1A/1B IN PHASE-2E FOR

ASSOCIATED AIR HANDLING UNIT ‘AHU-1 (MER 245) & AHU-4

(MER 2147)’ CONTROL. THESE (2) UNITS ARE IN SEPARATE

MECHANICAL ROOMS BUT OPERATE TOGETHER PER THIS

SEQUENCE OF OPERATIONS.

THE SAME CONTROL DRAWING IS REFERENCED ON C-4A/4B

FOR ASSOCIATED AIR HANDLING UNIT ‘AHU-4 (MER 2147)’ IN

PHASE-2D.

NOTE(S):1

C-2C

BY DATE

APPROVED

ONTRACT NUMBER

RAWING NUMBER

Drawing Title

SEQUENCE OF OPERATIONS -

AHU-2 (MER 245)

Project Title

VA HVAC CONTROLS UPGRADE -

PHASE 2E

WILMINGTON, DELAWARE

SEQUENCE OF OPERATIONS - AHU-2 (MER 245)

AHU-2 (MER 245) SEQUENCE OF OPERATION

1. GENERAL

UNIT AHU-2 AND RETURN FAN 1-RF ARE NORMALLY STARTED AND STOPPED BY THE DCP OR REMOTELY AT THE BMS. H-O-A SWITCH SHALL BE KEPT IN THE “AUTO” POSITION. “HAND” AND “OFF” POSITIONS SHALL BE

USED FOR MAINTENANCE ONLY. WHEN THE UNIT IS “OFF” D-1, D-2, D-3, SD-1 AND SD-2 SHALL BE CLOSED. WHEN THE UNIT IS “ON” D-1, D-2, D-3, SD-1 AND SD-2 SHALL BE OPEN.

2. TEMPERATURE CONTROL

SUPPLY AIR TEMPERATURE SENSED BY T-1 SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING EITHER V-1 AND V-2 OR D-1, D-2 AND D-3 IN SEQUENCE.

WHEN THE TEMPERATURE OF THE OUTSIDE AIR PROVIDED BY BMS IS ABOVE 65°F DCP PREVENTS MODULATION OF D-1, D-2 AND D-3; D-1 ASSUMES MINIMUM OUTSIDE AIR POSITION (D-3 IS CLOSED AND D-2 IS OPEN.)

V-1 MODULATES TO MAINTAIN SUPPLY AIR TEMPERATURE SENSED BY T-1.

WHEN THE TEMPERATURE OF THE OUTSIDE AIR PROVIDED BY BMS IS BETWEEN 65°F AND THE SUPPLY AIR TEMPERATURE SENSED BY T-1 DAMPER D-2 IS CLOSED, DAMPER D-1 IS OPEN TO MAXIMUM OUTSIDE AIR

POSITION AND D-3 IS FULLY OPENED. V-1 MODULATES TO MAINTAIN THE SUPPLY AIR TEMPERATURE SENSED BY T-1.

WHEN THE TEMPERATURE OF THE OUTSIDE AIR PROVIDED BY BMS IS BELOW THE SUPPLY AIR TEMPERATURE SENSED BY T-1 THEN DAMPERS D-1, D-2 AND D-3 MODULATE TO MAINTAIN THE SCHEDULED SUPPLY AIR

TEMPERATURE. IF D-2 IS OPEN AND D-1 IS CLOSED TO MINIMUM OUTSIDE AIR IN THIS MODE V-2 MODULATES OPEN TO MAINTAIN THE SUPPLY AIR TEMPERATURE.

3. AIR FLOW CONTROL

THE SUPPLY AIR FLOW IS CONTROLLED BY THE DCP MODULATING SUPPLY FAN VARIABLE SPEED MOTOR CONTROLLER (VSMC) TO MAINTAIN THE DUCT STATIC PRESSURE SETPOINT AS SENSED BY SPS-1.

THE DCP BY USING TOTAL SUPPLY AIR AND RETURN AIR FLOW SIGNALS SHALL RESET THE RETURN AIR FAN VSMC TO MAINTAIN A CONSTANT CFM DIFFERENCE BETWEEN THE SUPPLY AIR FAN CFM AND THE

RETURN AIR FAN CFM.

THE DCP BY USING HIGH PRESSURE SENSOR SPS-2 LOCATED AT THE SUPPLY AIR FAN DISCHARGE PREVENTS THE SUPPLY AIR FAN FROM DEVELOPING OVER 3” STATIC PRESSURE. IF STATIC PRESSURE AT SPS-2

EXCEEDS 3” THE SUPPLY FAN STOPS.

4. HUMIDITY CONTROL

WHEN THE DCP IS NOT CALLING FOR HUMIDIFICATIN (BASED ON HUMIDITY SENSED BY THE EXHAUST AIR HUMIDISTAT H-1) THE TWO-WAY “ON-OFF” CONTROL VALVE V-3 SHALL REMAIN CLOSED WHEN THE DCP IS

CALLING FOR HUMIDIFICATION THE, V-3 SHALL OPEN.

EXHAUST AIR HUMIDITY SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING CONTROL VALVE V-4 TO MAINTAIN THE DESIRED HUMIDITY. THE DCP SHALL OVERRIDE THE CONTROL TO MAINTAIN HUMIDITY IN

SUPPLY DUCT BELOW 80 AS SENSED BY H-2.

DCP SHALL CLOSE VALVE V03 WHENEVER THE SUPPLY FAN IS OFF.

VALVE V-4 SHALL BE INTERLOCKED WITH A TEMPERATURE SWITCH TO KEEP THE HUMIDIFIER OFF UNTIL CONDENSATE TEMPERATURE APPROACHES STEAM TEMPERATURE.

5. FREEZE PROTECTION

IF THE AIR TEMPERATURE SENSED BY T-2 FALLS BELOW 45°F AN ALARM SIGNAL SHALL INDICATE AT THE DCP AND BMS. IF THE TEMPERATURE FALLS BELOW 40°F THE SUPPLY FAN SHALL SHUT DOWN, D-1 SHALL

CLOSE AND A CRITICAL ALARM SHALL INDICATE AT THE DCP AND BMS.

6. EMERGENCY SHUTDOWN/RESTART

WHEN SMOKE IS DETECTED BY THE DUCT MOUNTED SMOKE DETECTOR THE SUPPLY AND RETURN FANS SHALL STOP AND THE ALARM SIGNAL SHALL BE TRANSMITTED TO THE FIRE ALARM SYSTEM, SMOKE

DAMPERS SD-1 AND SD-2 DHALL CLOSE. THE SUPPLY AND RETURN FANS SHALL RESTART AND SMOKE DAMPERS SHALL BE OPEN WHEN THE FIRE ALARM CIRCUIT IS MANUALLY RESET.

7. EMERGENCY CONSTANT SPEED OPERATION

UPON FAILURE OF VSMC THE SUPPLY AND RETURN FANS SHALL BE STARTED/STOPPED MANUALLY AT THE DCP OR THE BMS THROUGH THE BYPASS STARTER. FANS SHALL THEN OPERATE AT CONSTANT SPEED.

AS-BUILT REV. NEW DWG. / POINT TERM.1 12/6/13 BM

IW/BMIW/JAIW BM 12/30/11

C-3C

Sales Engineer Project Manager Application Engineer

BY DATE BY DATE

DRAWN APPROVED

ONTRACT NUMBER

RAWING NUMBER

Drawing Title

SEQUENCE OF OPERATIONS -

AHU-5 (MER 227)

Project Title

VA HVAC CONTROLS UPGRADE -

PHASE 2E

WILMINGTON, DELAWARE

SEQUENCE OF OPERATIONS - AHU-5 (MER 227)

AHU-5 (VESTIBULE) MER-227 - SEQUENCE OF OPERATION

1. GENERAL

UNIT IS MANUALLY STARTED AND STOPPED BY THE DCP OR REMOTELY AT THE BMS. WHEN UNIT IS OFF DAMPER D-1 IS CLOSED. WHEN UNIT IS

ON DAMPER D-1 IS OPENED.

2. TEMPERATURE CONTROL

THE SPACE AIR TEMPERATURE, SENSED BY T-1 SHALL BE MAINTAINED AT SETPOINT BY DCP MODULATING V-1 IN SEQUENCE. THE FAN STOPS

AND V-1 CLOSES TO COIL WHEN OUTDOOR AIR TEMPREATURE IS ABOVE 50°F.

3. AIR FLOW CONTROL

THE SUPPLY FAN SHALL RUN AT CONSTANT SPEED PROVIDING CONSTANT AIR FLOW.

4. FREEZE PROTECTION

IF THE AIR TEMPERATURE AS SENSED BY T-2 FALLS BELOW 45°F AN ALARM SIGNAL IS INDICATED AT THE DCP AND BMS. IF THIS TEMPERATURE

FALLS BELOW 40°F THE UNIT SUPPLY FAN STOPS AND A CRITICAL ALARM IS INDICATED AT THE DCP AND BMS.

5. EMERGENCY SHUTDOWN/RESTART

WHEN SMOKE IS DETECTED BY DUCT SMOKE DETECTOR THE SUPPLY FAN SHALL SHUT OFF, DAMPER D-1 SHALL CLOSE AND AN ALARM SIGNAL

SHALL BE TRANSMITTED TO THE FIRE ALARM SYSTEM. SUPPLY FAN RESTARTS AND DAMPER D-1 OPENS WHEN THE FIRE ALARM CIRCUIT IS

MANUALLY RESET.

AS-BUILT REV. NEW DWG.1 12/6/13 DB