2007 N4008506R0096Dwgs (orig CD).pdf

B R MARSHBURN

J A ELLIOTT

A L GARCIA

A L GARCIA

J A ELLIOTT

CONST. CONTR.

MECHANICAL PLANS

1 3

SYM DATE APPROVED

REVISIONS

P4 MECH ROOM ACCESS

STAIRS TO 2ND LEVEL INSIDE

MEZZANINE ACCESS

FROM ROOF

LADDER ACCESS

TO ROOF FROM MECH RM

LO

W R

OO

F A

RE

A GYMNASIUM

CU-7CU-8

HOT WATER SUPPLYHWS

HOT WATER RETURNHWR

THERMAL EXPANSION VALVE

SOLENOID VALVE / 2-POSITION CONTROL VALVE

REPLACEABLE CORE FILTER/DRIER

SIGHT GLASS

MODULATING CONTROL VALVE

CIRCUIT SETTER

GATE VALVE

STRAINER WITH BLOWDOWN VALVE

PRESSURE GAUGE

THERMOMETER

P/T PLUG

DRAIN

CONNECT NEW AT THIS POINT

DEMOLISH TO THIS POINT

103'

35'

IN LINE FILTER/DRIER

UNDERGROUND PIPING

LEAVE IN PLACE

(2) EXISTING 7/8" LIQUID LINE TO REMAIN

(2) EXISTING 2 1/8" SUCTION LINE:

REMOVE 2 1/8" SUCTION LINE - COMPRESSOR 2 ONLY

PROVIDE 2 5/8" SUCTION LINE - COMPRESSOR 2 ONLY

(2) EXISTING 7/8" LIQUID LINE TO REMAIN

(2) EXISTING 2 1/8" SUCTION LINE TO REMAIN

AH8 SUCTION LINE, REMOVE TO BOTTOM OF DROP

BALL VALVE

LEGEND

SCALE 1/8" = 1'0"

BUILDING LAYOUT PLAN

INVENSYS CONTROLS IN

FITNESS TRAINERS ROOM 1ST

FLOOR. PARTIALLY REMOVE

CONTROLS AND PROVIDE NEW.

SEE M2 & M3.

(IN

TE

RI

OR

R

OO

MS

N

OT

S

HO

W N

TH

IS

A

RE

A)

AH7 ON MEZZANINE

PROVIDE MODIFICATION TO AH7 & PIPING.

SEE SHEET M2

AH8 ON MEZZANINE

PROVIDE MODIFICATION TO AH8 & PIPING.

SEE SHEET M2

3-WAY VALVE

TITLENAVFAC #

PIPING AND CONTROLS

PIPING AND CONTROLS AH7/AH8

MECHANICAL PLANS

M3

M2

M1

12504938

12504937

12504936

DRAWING INDEX

B R MARSHBURN AUG 8, 2007

A L GARCIA

A L GARCIA

J A ELLIOTT

CONST. CONTR.

PIPING AND CONTROLS - AH7/AH8

2 3

SYM DATE APPROVED

REVISIONS

FAN

TEMP SENSOR

RETURN AIR

OUTSIDE AIR

HOT WATER

FILTERS

FACE & BYPASS

DAMPERS

CO2

SMOKE DETECTOR

DX COOLING

OUTSIDE AIR/

RETURN AIR

DAMPERS

AH7/AH8 AIR FLOW DIAGRAM - EXISTING

HWS

HWR

SEE SCHEMATIC AT RIGHT FOR EXISTING REFRIGERANT PIPING

AH7/AH8 NEW REFRIGERANT PIPE SCHEMATIC

AH7/AH8 EXISTING REFRIGERANT PIPE SCHEMATIC

H G

B P

/8

7/8"

/8

/8

/8

ST

AG

E 1

ST

AG

E 2

ST

AG

E 3

ST

AG

E 4

-1

/8

/8

NOT TO SCALE

NOT TO SCALE

ST

AG

E 4

ST

AG

E 1

ST

AG

E 2

ST

AG

E 3

H G

B P

/8

-1

/8

-1

/8

-1

/8

-1

/8

-1

/8

CUT HERE FOR AH7.

AH8 - REMOVE TO BASE OF VERTICAL RUN ON

EXTERIOR WALL (NEAR CONDENSING UNIT).

-1

/8

/8

7/8"

/8

/8

/8

7/8"

AH7 CONNECT NEW HERE.

AH8 - REPLACE FROM HERE TO BASE OF VERTICAL

RUN ON EXTERIOR WALL WITH 2 5/8"

2-5/8" - AH8 ONLY

A

CC

A

D

D

E

E

F

FG

G

MANUFACTURED 'U' BEND FOR OIL/LIQUID TRAP

B

B B

B

TAKE DRAIN TO OUTSIDE OF MEZZANINE PLATFORM

2"

2"

1. REMOVE EXISTING PIPING AND APPURTENANCES FROM POINTS SPECIFIED TO COILS.

2. REMOVE FACE & BYPASS DAMPER AND ACTUATOR.

3. REMOVE BYPASS DUCT.

4. PROVIDE BLANK TO PATCH OPENING LEFT BY BYPASS DUCT REMOVAL.

5. REMOVE DX COOLING COIL & HOT WATER COIL.

6. REINSTALL COILS SUCH THAT HW COIL IS IN REHEAT POSITION.

7. PROVIDE THE FOLLOWING APPURTENANCES FOR REFRIGERATION LINES:

A. (4) REPLACEABLE CORE FILTER/DRIER (2 @ 1-1/8", 2 @ 7/8")

B. (8) BALL VALVES (2 @ 1-1/8", 6 @ 7/8")

C. (4) SIGHT GLASS (2 @ 1-1/8", 2 @ 7/8")

D. (4) SOLENOIDS, 10 TON CAPACITY (7/8")

E. (4) SOLENOIDS, 15 TON CAPACITY (7/8")

F. (4) EXTERNALLY EQUALIZED TXV, 10 TON CAPACITY (7/8")

G. (4) EXTERNALLY EQUALIZED TXV, 15 TON CAPACITY (7/8")

8. PROVIDE THE FOLLOWING APPURTENANCES FOR HW LINES (2"):

H. (4) GATE VALVES

I. (4) P/T PLUGS

J. (2) TEMPERATURE GAUGES

K. (2) PRESSURE GAUGES

L. (2) CIRCUIT SETTERS

M. (2) STRAINERS WITH BLOWDOWN VALVE

N. (2) MODULATING CONTROL VALVES

9. REPIPE AIR HANDLER UNITS AS SHOWN.

10. REPIPE CONDENSATE DRAIN TO INCLUDE PROPER TRAP (SEE DETAIL BELOW). PIPE TO

OUTSIDE OF MEZZANINE ACCESS TO AVOID CUTTING PLATFORM.

CONSTRUCTION NOTES (TYPICAL FOR AH7 & AH8)

2"

2"

SEE SCHEMATIC AT RIGHT FOR NEW REFRIGERANT PIPING

HWS

HWR

SMOKE DETECTOR

CO2

FANFILTERS

HOT WATERDX COOLING

OUTSIDE AIR

RETURN AIR

AH7/AH8 AIR FLOW DIAGRAM - RECONFIGURED

OUTSIDE AIR/

RETURN AIR

DAMPERS

A L GARCIA

A L GARCIA

J A ELLIOTT

CONST. CONTR.

PIPING AND CONTROLS

3 3

SYM DATE APPROVED

REVISIONS

FACE & BYPASS

DAMPERDAMPERS

FANOUTSIDE AIR STEAM COIL

FILTER DX COOLING

PROCESS AND INSTRUMENTATION AH6

RETURN AIR TEMP SENSOR

PROCESS AND INSTRUMENTATION AH1-5

DX COOLING

SMOKE DETECTOR

FILTER HOT WATER

OUTSIDE AIR

RETURN AIR

FAN

CONTROL NOTES (AHU 1 THRU 5):

SCOPE OF WORK:

- REMOVE EXISTING AIR HANDLER CONTROLLER

- PROVIDE BACnet MS/TP NETWORKED THERMOSTAT (ONE PER AH/CU)

- REMOVE RETURN AIR DUCT MOUNTED TEMPERATURE SENSOR

- VERIFY ACCURACY AND WHERE APPLICABLE RE-USE: SUPPLY AIR DUCT MOUNTED

TEMPERATURE SENSOR, OUTDOOR AIR DAMPER AND ACTUATOR, HOT WATER CONTROL

VALVE, FREEZE STAT, SMOKE DETECTOR.

- CONTROL WIRING MAY BE RE-USED AS APPROPRIATE

- PROVIDE ALL ADDITIONAL APPURTENANCES FOR COMPLETE AND USEABLE SYSTEM.

1. EACH AIR HANDLER SHALL HAVE OCCUPIED AND UNOCCUPIED MODES, INDEXED

FROM THE SUPERVISORY BUILDING CONTROLLER (SBC). IN THE EVENT OF THE LOSS

OF COMMUNICATION WITH THE SBC THE THERMOSTAT WILL RETURN TO OCCUPIED

OPERATION. THE THERMOSTAT SHALL INCLUDE OVER-RIDE BUTTON TO RETURN THE

SYSTEM FROM THE UNOCCUPIED MODE TO THE OCCUPIED MODE FOR A PERIOD OF 2

HOURS. ADDITIONAL PRESSING OF THE BUTTON SHALL RESET THE TIME TO 2 HOURS,

BUT SHALL NOT ADD THE TIME CUMULATIVELY.

IN THE OCCUPIED MODE: THE FAN SHALL RUN CONTINUOUSLY, TEMPERATURE, AND

HUMIDITY WILL BE SENSED AND CONTROLLED AND THE OUTDOOR AIR DAMPER WILL

BE OPENED.

IN THE UNOCCUPIED MODE: THE FAN SHALL CYCLE ON DEMAND, TEMPERATURE SHALL

BE CONTROLLED TO A NIGHT SETBACK TEMPERATURE, HUMIDITY SHALL BE

CONTROLLED ON A HIGH LIMIT, AND OUTSIDE AIR DAMPERS WILL REMAIN CLOSED.

2. THE THERMOSTAT SHALL AUTOMATICALLY INDEX TO CONTROL MECHANICAL

COOLING, DEHUMIDIFICATION, AND HOT WATER HEATING. HOT WATER HEATING

SHALL BE TWO POSITION. ON A RISE IN ROOM TEMPERATURE ABOVE HEATING

SETPOINT, THE HEATING STAGE OF THE ROOM THERMOSTAT SHALL BY-PASS HOT

WATER FROM FULL FLOW THROUGH THE HEATING COIL TO FULL BY-PASS AROUND THE

HEATING COIL (UTILIZING CV-6 THRU CV-10). IN THE DEHUMIDIFICATION CYCLE THE

MECHANICAL COOLING SHALL BE ENERGIZED, AND THE HOT WATER VALVE CYCLED TO

MEET COOLING SETPOINT.

3. THE THERMOSTAT SHALL COMMUNICATE WITH THE SUPERVISORY BUILDING

CONTROLLER (SBC). THE FOLLOWING POINTS SHALL BE WRITTEN FROM THE

THERMOSTAT TO THE SBC: FAN, COOLING, HEATING, AND DEHUMIDIFICATION STATUS

& SETPOINTS, ROOM & SUPPLY AIR TEMPERATURES, ROOM HUMIDITY. THE

FOLLOWING SHALL BE WRITTEN FROM THE SBC TO THE THERMOSTAT: HEATING,

COOLING, AND DEHUMIDIFICATION SET POINTS, OCCUPIED/UNOCCUPIED OPERATION,

FAN ON/AUTO OPERATION.

4. A NON-AVERAGING AUTOMATIC RESET FREEZE STAT MOUNTED ON THE LEAVING

SIDE OF THE HOT WATER COIL SHALL CLOSE THE OUTSIDE AIR DAMPER AND OPEN

THE HOT WATER CONTROL VALVE TO 100%.

5. A SMOKE DETECTOR IN THE RETURN AIR SHALL SHUT DOWN THE AIR HANDLER AND

SIGNAL THE FIRE ALARM SYSTEM.

6. CONTROLS SHALL BE WIRED SUCH THAT WHEN POWER IS INTERRUPTED TO ANY

AHU, ITS RESPECTIVE CONDENSING UNIT SHOULD STOP.

7. THE THERMOSTAT SETPOINTS SHALL BE LOCKED FROM OCCUPANT ADJUSTMENT.

THE THERMOSTAT SHALL HAVE A LOCAL READOUT OF RELATIVE HUMIDITY AND ROOM

TEMPERATURE IN °F.

8. INITIAL THERMOSTAT SETPOINTS: 70°F HEATING, 76°F COOLING, AND 70%

RELATIVE HUMIDITY.

CONTROL NOTES (AHU 6):

SCOPE OF WORK:

- REMOVE EXISTING AIR HANDLER CONTROLLER

- PROVIDE BACnet MS/TP NETWORKED AIR HANDLER CONTROLLER

- VERIFY ACCURACY AND WHERE APPLICABLE RE-USE: SUPPLY AIR DUCT MOUNTED

TEMERATURE SENSOR, OUTDOOR AIR DAMPER AND ACTUATOR, FACE AND BYPASS DAMPER

AND ACTUATOR, FREEZE STAT, SMOKE DETECTOR AND HOT WATER CONTROL VALVE

- CONTROL WIRING MAY BE REUSED AS APPROPRIATE

- PROVIDE ALL ADDITIONAL APPURTENANCES FOR COMPLETE AND USEABLE SYSTEM

1. AIR HANDLER SHALL HAVE OCCUPIED AND UNOCCUPIED MODES, INDEXED FROM THE

SUPERVISORY BUILDING CONTROLLER (SBC). IN THE EVENT OF THE LOSS OF

COMMUNICATION WITH THE SBC, THE CONTROLLER WILL RETURN TO OCCUPIED

OPERATION. THE CONTROLLER SHALL INCLUDE OVER-RIDE BUTTON TO RETURN THE

SYSTEM FROM THE UNOCCUPIED MODE TO THE OCCUPIED MODE FOR A PERIOD OF 2

HOURS. ADDITIONAL PRESSING OF THE BUTTON SHALL RESET THE TIME TO 2 HOURS,

BUT SHALL NOT ADD THE TIME CUMULATIVELY.

IN THE OCCUPIED MODE: EXHAUST FAN (EF-1) WILL BE ENERGIZED, OUTSIDE AIR AND

EXHAUST DAMPERS WILL OPEN. TEMPERATURE WILL BE SENSED AND CONTROLLED.

IN THE UNOCCUPIED MODE: SYSTEM WILL NOT RUN.

2. THE THERMOSTAT SHALL AUTOMATICALLY INDEX TO CONTROL MECHANICAL COOLING

AND STEAM HEATING. SINGLE STAGE ON COOLING WILL BE CYCLED TO MAINTAIN

COOLING SETPOINT. ON A DROP IN ROOM TEMPERATURE, THE 2-POSITION STEAM

CONTROL VALVE (CV-5) WILL OPEN AND THE FACE AND BYPASS DAMPERS WILL BE

MODULATED TO MAINTAIN HEATING SETPOINT.

3. THE CONTROLLER SHALL COMMUNICATE WITH THE SUPERVISORY BUILDING

CONTROLLER (SBC). THE FOLLOWING POINTS SHALL BE WRITTEN FROM THE CONTROLLER

TO THE SBC: AIR HANDLER FAN STATUS, ROOM & SUPPLY AIR TEMPERATURES, EXHAUST

FAN STATUS, AND COOLING/HEATING SETPOINTS. THE FOLLOWING SHALL BE WRITTEN

FROM THE SBC TO THE CONTROLLER: HEATING AND COOLING SETPOINTS,

OCCUPIED/UNOCCUPIED OPERATION, AIR HANDLER FAN ON/AUTO OPERATION, AND

EXHAUST FAN OPERATION.

4. A NON-AVERAGING AUTOMATIC RESET FREEZE STAT MOUNTED ON THE LEAVING SIDE

OF THE HEATING COIL (BEFORE COOLING COIL), SHALL CLOSE THE OUTIDE AIR DAMPER

AND OPEN THE STEAM CONTROL VALVE TO 100%.

5. A SMOKE DETECTOR IN THE RETURN AIR SHALL SHUT DOWN THE AIR HANDLER, CLOSE

OUTSIDE AIR DAMPER, AND SIGNAL THE FIRE ALARM SYSTEM.

6. CONTROLS SHALL BE WIRED SUCH THAT WHEN POWER IS INTERRUPTED TO ANY AHU,

ITS RESPECTIVE CONDENSING UNIT SHOULD STOP.

7. THE THERMOSTAT SETPOINTS SHALL BE LOCKED FROM OCCUPANT ADJUSTMENT. THE

THERMOSTAT SHALL HAVE A LOCAL READOUT OF ROOM TEMPERATURE IN FAHRENHEIT.

8. INITIAL THERMOSTAT SETPOINTS: 70°F HEATING, 76°F COOLING.

CONTROL NOTES

SUPERVISORY BUILDING CONTROLLER (SBC)

SCOPE OF WORK:

- REMOVE EXISTING CONTROLS

- PROVIDE BACnet MS/TP NETWORKED SUPERVISORY BUILDING CONTROLLER

- INTERFACE ALL NEW CONTROLS WITH NEW SBC

- EXISTING WIRING MAY BE REUSED AS APPROPRIATE

CONTROLS INTERFACE SHALL INCLUDE:

1. CLOCK CONTROL: THE 7-DAY TIME CLOCK SHALL INDEX AIR HANDLING UNITS AND CONDENSING

UNITS FOR OCCUPIED OR UNOCCUPIED OPERATION IN THE AUTOMATIC POSITION. THE

UNOCCUPIED OPERATION SHALL MAINTAIN ALL SYSTEMS IN A 'NIGHT SETBACK' MODE. PROVIDE

TIMED OVERRIDE TO PLACE SYSTEMS IN THE OCCUPIED MODE FOR A 2-HOUR PERIOD.

2. BUILDING HEATING PUMP (WP-1): WHEN THE OUTDOOR TEMPERATURE IS BELOW 65°F OR THERE

IS A CALL FOR DEHUMIDIFICATION, AND THE HOT WATER PUMP SWITCH IS IN THE 'AUTO'

POSITION, THE BUILDING HEATING PUMP (WP-1) SHALL BE ENERGIZED. UPON SENSING WATER FLOW IN THE HEATING SYSTEM, THE STEAM CONTROL VALVE (CV-2) SHALL MODULATE TO MAINTAIN LEAVING WATER TEMPERATURE SETPOINT FROM THE HEATING SYSTEM HEAT EXCHANGER (HX-1).

3. HOT WATER SETPOINT SHALL BE RESET AS FOLLOWS:

OA LWT

85°F 130°F 35°F 180°F

4. ALL FIELD CONTROL DEVICES SHALL INTERFACE WITH THE SBC. THE SBC SHALL PROVIDE

ON-SITE ACCESS TO THE FOLLOWING POINTS:

- CONDENSING UNIT ON/OFF STATUS (CU-1, CU-2, CU-3, CU-4, CU-5, CU-6, CU-7, CU-8, RT-1)

- AIR HANDLER ON/OFF STATUS (AH-1, AH-2, AH-3, AH-4, AH-5, AH-6, AH-7, AH-8, RT-1)

- SUPPLY & RETURN AIR TEMP (AH-1, AH-2, AH-3, AH-4, AH-5, AH-6, AH-7, AH-8, RT-1)

- PUMP ON/OFF STATUS (WP-1, WP-2, WP-3)

- SUPPLY & RETURN WATER TEMP (WP-1, WP-2, WP-3)

5. THE FOLLOWING DATA SHALL BE PROVIDED FROM THE SBC TO THE FIELD DEVICES:

- OCCUPIED/UNOCCUPIED

EXISTING CONTROLS - NO WORK REQUIRED

1. DOMESTIC HOT WATER PUMP (WP-2): UPON A FALL IN THE TANK WATER TEMPERATURE BELOW

110°F, THE THERMOSTAT SHALL ENERGIZE THE DOMESTIC HOT WATER PUMP. THE THERMOSTAT

SHALL DE-ENERGIZE THE PUMP AT A WATER TEMP ABOVE 120°F.

2. DOMESTIC HOT WATER RECIRCULATING PUMP (WP-3): UPON A FALL IN TEMPERATURE BELOW

105°F, THE AQUASTAT SHALL ENERGIZE THE DOMESTIC HOT WATER CIRCULATING PUMP.

3. EXHAUST FAN CONTROL:

- EXHAUST FANS (EF-3, EF-4, EF-6) FOR EQUIPMENT ROOMS SHALL BE CONTROLLED FROM A

ROOM THERMOSTAT THAT MAKES 'ON' AT TEMPERATURE RISE ABOVE 85°F. FANS SHALL BE

INTERLOCKED WITH O.A. DAMPERS.

- EXHAUST FANS (EF-2, EF-5) SERVING STORAGE ROOMS SHALL BE CONTROLLED BY THE

SPACE LIGHT SWITCH.

CV6 THRU CV10

CV5

CONTROL NOTES (AHU7 AND AHU8):

SCOPE OF WORK:

- PROVIDE BACnet MS/TP NETWORKED AIR HANDLER CONTROLLERS (ONE PER AIR

HANDLER)

- REMOVE HEATING/COOLING COIL BYPASS DAMPER AND ACTUATOR

- REMOVE EXISTING AND PROVIDE NEW CO2 SENSORS, RELIEF DAMPER ACTUATORS,

AND ALL REFRIGERATION CONTROLS

- VERIFY ACCURACY AND WHERE APPLICABLE RE-USE: RETURN AIR MOUNTED

THERMOSTAT, RETURN AIR MOUNTED HUMIDITY SENSOR, OUTDOOR AIR AND RETURN

AIR DAMPERS AND ACTUATORS, RELIEF DAMPERS

- REMOVE JUMPERS ON TERMINAL STRIPS IN AIR COOLED CONSDENSING UNITS TO

EFFECT 5 STAGE OPERATION

- PULL NEW CONTROL WIRING TO CONDENSING UNITS - OTHER WIRING MAY BE

REUSED AS APPROPRIATE

- PROVIDE ALL NECESSARY APPURTENANCES FOR COMPLETE AND USEABLE SYSTEM

1. EACH AIR HANDLER SHALL HAVE OCCUPIED AND UNOCCUPIED MODES. THE

OCCUPIED SCHEDULE SHALL BE SETTABLE BY INDIVIDUAL DAYS. A WALL MOUNTED

AND LABELED OVER-RIDE BUTTON SHALL RETURN THE SYSTEM FROM THE

UNOCCUPIED MODE TO THE OCCUPIED MODE FOR A PERIOD OF 2 HOURS.

ADDITIONAL PRESSING OF THE BUTTON SHALL RESET THE TIME TO 2 HOURS, BUT

SHALL NOT ADD THE TIME CUMULATIVELY.

IN THE OCCUPIED MODE: THE AIR HANDLER FAN SHALL RUN CONTINUOUSLY,

TEMPERATURE, HUMIDITY, AND INDOOR AIR QUALITY WILL BE SENSED AND

CONTROLLED, ECONOMIZER CYCLE SHALL BE ENABLED BELOW 55°F AMBIENT.

IN THE UNOCCUPIED MODE: THE FAN SHALL CYCLE ON DEMAND, TEMPERATURE SHALL

BE CONTROLLED ONLY IN HEATING WITH A SETPOINT OF 55°F (ADJUSTABLE),

HUMIDITY SHALL BE CONTROLLED ON A HIGH LIMIT, AND INDOOR AIR QUALITY WILL

NOT BE CONTROLLED IE: FRESH AIR DAMPERS WILL REMAIN CLOSED.

2. MECHANICAL COOLING AND DEHUMIDIFICATION SHALL BE ENABLED ABOVE 55°F

AMBIENT. COOLING SHALL HAVE A PROPORTIONAL-INTEGRAL-DERIVATIVE (PID)

CONTROL LOOP TO STEP THE MECHANICAL COOLING THROUGH 5 STAGES.

STAGE 1 WILL ENERGIZE THE FIRST STAGE OF COMPRESSOR 1 AND STAGE 1

EVAPORATOR SOLENOID VALVE.

STAGE 2 WILL ENERGIZE THE FIRST STAGE OF COMPRESSOR 2 AND STAGE 2

EVAPORATOR SOLENOID VALVE.

STAGE 3 WILL ENERGIZE THE SECOND STAGE OF COMPRESSOR 2 AND STAGE 3

EVAPORATOR SOLENOID VALVE.

STAGE 4 WILL ENERGIZE THE SECOND STAGE OF COMPRESSOR 1 AND STAGE 4

EVAPORATOR SOLENOID VALVE.

STAGE 5 WILL ENERGIZE THE THIRD STAGE OF COMPRESSOR 2.

DEHUMIDIFICATION MODE (DEHUM) WILL BE INITIATED WHENEVER THE HUMIDITY

SENSOR EXCEEDS SET POINT OF 60%RH (ADJUSTABLE). DEHUM WILL INITIATE ALL 5

STAGES OF COOLING AND MODULATE THE HOT WATER CONTROL VALVE WITH A PID

CONTROL LOOP TO MAINTAIN COOLING TEMPERATURE SET POINT.

3. ECONOMIZER COOLING SHALL BE ENABLED BELOW 55°F AMBIENT. COOLING SHALL

HAVE A PROPORTIONAL-INTEGRAL-DERIVATIVE (PID) CONTROL LOOP TO MODULATE

THE OUTSIDE AND RETURN AIR DAMPERS. THE RELIEF DAMPER WILL BE MODULATED

0-100% IN CONJUNCTION WITH THE OUTSIDE AIR DAMPER SIGNAL OF 20-100%.

DEHUMIDIFICATION MODE (DEHUM) WILL NOT BE INITIATED BELOW 55°F AMBIENT.

4. HEATING SHALL BE CONTROLLED WITH A PROPORTIONAL-INTEGRAL-DERIVATIVE

(PID) CONTROL LOOP BY MODULATING THE HOT WATER CONTROL VALVE. HEATING

SET POINT SHALL BE SET INDEPENDENTLY FROM THE COOLING SET POINT, BUT SHALL

NOT BE EQUAL OR HIGHER THAN THE COOLING SET POINT. THE OUTSIDE AIR DAMPER

SHALL BE OPENED TO THE MINIMUM POSITION DURING OCCUPIED PERIODS, AND

SHUT DURING UNOCCUPIED PERIODS.

5. INDOOR AIR QUALITY WILL BE MONITORED BY A RETURN AIR CO2 SENSOR. THE

OUTSIDE/RETURN AIR DAMPERS WILL BE MODULATED BY A PID LOOP TO MAINTAIN

SET POINT OF 700 PPM (ADJUSTABLE). THE RELIEF DAMPER WILL BE MODULATED

0-100% IN CONJUNCTION WITH THE OUTSIDE AIR DAMPER SIGNAL OF 20-100%.

6. A NON-AVERAGING AUTOMATIC RESET FREEZE STAT MOUNTED ON THE LEAVING

SIDE OF THE HOT WATER COIL SHALL CLOSE THE OUTSIDE AIR DAMPER AND OPEN

THE HOT WATER CONTROL VALVE TO 100%.

7. CONTROLS SHALL BE WIRED SUCH THAT WHEN POWER IS INTERRUPTED TO ANY

AHU, ITS RESPECTIVE CONDENSING UNIT SHOULD STOP.

8. A SMOKE DETECTOR IN THE RETURN AIR SHALL SHUT DOWN THE AIR HANDLER AND

SIGNAL THE FIRE ALARM SYSTEM.

9. INITIAL THERMOSTAT SETPOINTS: 68°F HEATING, 76°F COOLING, 60% RELATIVE

HUMIDITY.

CONNECTION TO BASE WIDE EMCS

THE CONTROL SYSTEM SPECIFIED MUST INTERFACE TO AND SHALL BE COMPLETELY

INCORPORATED INTO THE CAMP LEJEUNE BASE WIDE ENERGY MANAGEMENT AND CONTROL

SYSTEM (EMCS) LOCATED IN BLDG 24 BY THE CONTRACTOR. THE CONTRACTOR IS

RESPONSIBLE FOR ALL WORK INSIDE THE PROJECT BUILDING. CAMP LEJEUNE WILL MAKE

ALL MODIFICATIONS TO THE EMCS SERVERS. ALL POINTS LISTED ON THE MECHANICAL

DRAWINGS, SUCH AS: AI, BI, AO, BO, SETPOINT ADJUSTMENTS, ALARMS, EQUIPMENT

START/STOP SCHEDULAES AND LOAD MANAGEMENT SHEDDING OBJECTS FOR MECHANICAL

EQUIPMENT SHALL COMMUNICATE VIA BACNet PROTOCOL AND BE DISPLAYED AND

MANAGED BY THE CAMP LEJEUNE EMCS SERVER. THE CAMP LEJEUNE EMCS SYSTEM

UTILIZES THE JOHNSON CONTROLS, INC. METASYS EXTENDED ARCHITECTURE ADX

PLATFORM. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING CONSISTENCY ON

OBJECT IDENTIFIER NAMES, DESCRIPTIONS, AND GRAPHICAL PRESENTATION OF THE DATA.

THE CONTRACTOR SHALL WORK WITH THE BASE ENERGY MANAGER TO DEFINE THE LOAD

GROUPS TO BE INCORPORATED INTO THE EMCS LOAD MANAGEMENT PROGRAM. AT A

MINIMUM, ALL MAJOR MECHANICAL SYSTEMS SHALL BE INCORPORATED INTO THE LOAD

REDUCTION PROGRAM SUCH AS CHILLERS, ELECTRIC BOILERS, AND AIR HANDLING UNIT'S.

THE LOAD REDUCTION PROGRAM INCORPORATES THE BASE WIDE DEMAND LIMITING/LOAD

ROLLING (DLLR) PROGRAM. THE DLLR PROGRAM LIMITS PEAK ENERGY USAGE BY

MONITORING REAL TIME ENERGY CONSUMPTION FROM SIX (6) ELECTRICAL SUBSTATIONS

SERVING THE BASE AND SHEDDING THE APPROPRIATE ELECTRICAL LOADS TO MEET TARGET

SET POINTS. BUILDING DDC SUPERVISORY CONTROLLERS MUST HAVE THE ABILITY TO

SEND/RECEIVE/PROGRAM/LOAD THE OBJECT INFORMATION TO THE EMCS UTILIZING

BACnet/IP PROTOCOL.

THE EMCS SYSTEM RESIDES ON A LAN MANAGED BY MARINE CORPS BASE CAMP LEJEUNE.

THIS REQUIRES ALL I/P DEVICES CONNECTED AND UTILIZING THIS NETWORK TO BE

CERTIFIED BY THE DEFENSE INFORMATION SYSTEMS AGENCY (DISA), IN COORDINATION

WITH THE NATIONAL SECURITY AGENCY (NSA) AND THE SERVICES AND AGENCIES

THROUGHOUT THE DEPARTMENT OF DEFENSE (DoD). THE STANDARD PROCESS KNOWN AS DoD INFORMATION TECHNOLOGY SECURITY CERTIFICATION AND ACCREDITATION PROCESS

(DITSCAP), INTEGRATES SECURITY DIRECTLY INTO THE SYSTEM LIFECYCLE AND IS APPLIED

UNIFORMLY ACROSS DoD. AS PART OF THE DITSCAP PROCESS, VENDORS I/P DEVICES

MUST BE LISTED ON THE EMCS SYSTEM SECURITY AUTHORIZATION AGREEMENT (SSAA).

THIS IS A LIVING DOCUMENT THAT PROVIDES INFORMATION RELATED TO THE

CERTIFICATION AND ACCREDITATION (C&A) OF A SYSTEM IN ACCORDANCE WITH THE

DITSCAP. THIS SSAA IS TAILORED TO MEET THE REQUIREMENTS OF THE SYSTEM UNDER

REVIEW. IT ALSO PROVIDES THE CERTIFICATION AUTHORITY (CA) AND THE DESIGNATED

APPROVING AUTHORITY (DAA) AT EACH ECHELON WITH A SOURCE DOCUMENT FOR

INFORMATION ON THE SYSTEM. IT IS A USER DOCUMENT TO ASSIST IN ESTABLISHING

SOUND SECURITY POLICIES AND PRACTICES. PERSONNEL RESPONSIBLE FOR THE SECURITY

OF THE SYSTEM WILL BE FAMILIAR WITH THE CONTENTS OF THIS DOCUMENT.

THE SSAA MUST BE COMPLETED PRIOR TO FINAL ACCEPTANCE OF THE HVAC CONTROLS

CONSTRUCTION UNDER THIS SECTION. IT IS THE CONTRACTORS RESPONSIBILITY TO

ENSURE ACCEPTABLE EQUIPMENT IS PROPOSED AND INSTALLED. FINAL APPROVAL OF THE

PROPOSED EQUIPMENT WILL NOT BE GIVEN UNTIL THE SSAA IS COMPLETE AND APPROVAL

TO OPERATE (ATO) IS GRANTED FROM MARINE CORPS BASE CAMP LEJEUNE DAA. TO AVOID

CONSTRUCTION DELAYS, EARLY SUBMISSION IS ADVISED AS THE APPROVAL PROCESS CAN

BE LENGTHY.