8107_m1v8.pdf

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SCALE

DATE

PROJECT NO:

DRAWING NO:

OFSHEET

AS SHOWN

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17 NOV 16

DPW 03383-6J

GENERAL NOTES

9.

8.

7.

6.

5.

4.

3.

2.

1.

GENERAL NOTES - HVAC

ALL DUCTS SHALL BE CONSTRUCTED AND ERECTED IN A NEAT

AND WORKMANLIKE MANNER.

DUCTS SHALL BE CONSTRUCTED OF THE WEIGHTS, GAGES AND

MATERIAL SHOWN IN THE SPECIFICATIONS AND ACCORDING TO

THE DIMENSION SHOWN FOR ALL DUCTS SHOWN IN PLAN GIVE

THE WIDTH FIRST AND THEN THE HEIGHT.

DUCT RISERS SHOULD BE SUPPORTED BY ANGLES AT EVERY

FLOOR.

AIR TURNING VANES SHALL BE INSTALLED IN ALL ABRUPT ELBOWS

TO PREVENT TURBULENCE.

DUCTS SHALL BE SECURELY ATTACHED TO THE BUILDING

CONSTRUCTION IN AN APPROVED MANNER.

DIVERGING TRANSITION PIECES SHALL BE MADE AS GRADUAL

AS POSSIBLE.

DUCT AREA SHALL NOT BE DECREASED MORE THAN 10

PERCENT WHEN OBSTRUCTIONS CANNOT BE AVOIDED, AND

THEN A STREAMLINED FITTING SHOULD BE USED.

JOINTS AND SEAMS OF SUPPLY DUCTS SHALL BE FASTENED

SECURELY AND SEALED PER SPECIFICATIONS FOR DUCT PRESSURE

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

FLEXIBLE FABRIC CONNECTIONS (OR EQUAL) SHALL BE

USED ON BOTH INLETS AND OUTLETS OF ALL FANS AND

AIR HANDLING UNITS.

CLASS AND LEAKAGE CLASS.

SMACNA.

UNION - SCREWED OR FLANGED

STRAINER WITH BLOW OFF VALVE

PIPE DROPPING DOWN

PIPE RISING UP

DIRECTION OF PITCH-RISE OR DROP

DIRECTION OF FLOW

RELIEF/SAFETY VALVE

FLOW METER-VENTURI

FLOW METER-ORIFICE

FUSIBLE LINK VALVE-QUICK CLOSING

FUSIBLE LINK VALVE-QUICK OPENING

AUTOMATIC AIR VENT (EXTEND

AUTOMATIC FILL VALVE

DISCHARGE TO DRAIN)

MANUAL AIR VENT

CONCENTRIC REDUCER

ECCENTRIC REDUCER

MECHANICAL PIPING ELEMENTS/VALVING

TPV

S

RELIEF VALVE

PRESSURE REDUCING VALVE (PRV)

CIRCUIT SETTING BALANCING VALVE

SOLENOID VALVE

TWO WAY CONTROL VALVE

TEMPERATURE/PRESSURE

DIAPHRAM VALVE

BALANCING VALVE

THREE WAY CONTROL VALVE

CBV

R D

STRAINER

EXISTING EQUIPMENT OR PIPING

LIFT CHECK VALVE

SWING CHECK VALVE

GATE VALVE

TO BE REMOVED UNLESS NOTED OTHERWISE

BUTTERFLY VALVE

PLUG VALVE

GLOBE VALVE

MV

AV

GAS COCK

AQUASTAT

FLOAT OPERATED CONTROL VALVE

W

VB

H

VACUUM BREAKER

EXPANSION LOOP (WxH)

GAS PRESSURE REGULATOR

BASKET STRAINER

ANCHOR

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TT

FS

TH

PT/PS

G

PRESSURE SWITCH

& SYPHON (STEAM)

GAUGE WITH GAUGE COCK

PRESSURE TRANSMITTER OR

THERMOMETER

EXPANSION JOINT

TEMPERATURE TRANSMITTER

FLOW SWITCH

GUIDE

A

RETURN AIR

OUTSIDE AIR

NUMBER

NUMBER

SINGLE LINE

SIZE

CFM

CFM

SIZE

SUPPLY AIR

RADIUS ELBOW (R=1.5)

CONTROL DAMPER-

PARALLEL BLADE

OPPOSED BLADE

CONTROL DAMPER-

GRILLE (G) OR REGISTER (R)

RETURN AND/OR EXHAUST AIR

AIR REGISTER (R)

SUPPLY AIR GRILLE (G) OR SUPPLY

CFM

SIZE

NUMBER

SIZE

CFM

NUMBER

FLEXIBLE CONNECTION (FXC)

BRANCH DUCT TAKE-OFF

VANED ELBOW

MOTOR OPERATED DAMPER (MD)

MANUAL VOLUME DAMPER (MVD)

NEW DUCTWORK

EXISTING DUCTWORK TO BE REMOVED

VD

DOUBLE LINE

DUCTWORK SYMBOLS

VD

AUTOMATIC BALANCING VALVE

ABV

TEMPERATURE SENSOR

HUMIDITY SENSOR

T

H

REFRIGERANT DETECTORR

EXHAUST AIR

HWS

HWR HOT WATER RETURN

HOT WATER SUPPLY

MECHANICAL LINE DESIGNATION SYMBOLS

CWS

CWR

CHILLED WATER SUPPLY

CHILLED WATER RETURN

DUCT CAP

LAMB'S TOUNGE

POINT OF CONNECTION

POINT OF DEMOLITION

MU MAKE-UP WATER

CD CONDENSATE DRAIN

GENERAL SYMBOLS

CONTRACTING OFFICER'S REPRESENTATIVEC.O.R.

FIRE DAMPER

FIRE/SMOKE DAMPERF/S

DTS

DTR DUAL TEMPERATURE WATER RETURN

DUAL TEMPERATURE WATER SUPPLY

MW MAKE UP WATER

HOT WATER CIRCULATION

COLD WATER

HOT WATER

SANITARY SEWER

RD ROOF DRAIN

VENT THRU ROOF

VENT

VTR

VTR

OCCUPANCY SENSOROS

MOTORIZED DAMPERM

HTWS

HTWR

HIGH TEMP WATER SUPPLY

HIGH TEMP WATER RETURN

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WITH NEW, EXISTING, OR TEMPORARY HVAC EQUIPMENT AS REQUIRED.

PROTECTED FROM FREEZING. CONTRACTOR SHALL BE RESPONSIBLE TO MAINTAIN THIS CONDITION

CONTRACTOR SHALL PHASE ALL DEMOLITION AND CONSTRUCTION ACTIVITIES SO BUILDING IS

CONTENTS LABELING AND DIRECTION ARROWS.

ALL EXPOSED, INSULATED INTERIOR PIPING IN OCCUPIED AREAS SHALL HAVE PVC JACKET. PROVIDE

ALL DRAINS SHALL CONNECT TO FLOOR DRAIN, JANITORS SINK, OR APPROVED RECEPTOR.

VENTS SHALL BE PIPED TO DRAIN. PROVIDE DRAINAGE VALVES AT LOW POINTS IN EACH SYSTEM.

INSTALL AUTOMATIC AIR VENTS AT HIGH POINTS IN ALL HYDRONIC SYSTEMS. DISCHARGE FROM AIR

WALL OR FLOOR.

WITH REQUIREMENTS OF THE MANUFACTURER TO MAINTAIN THE FIRE RATING OF THE PENETRATED

SILICONE RTV FOAM, OR APPROVED EQUAL. THIS MATERIAL SHALL BE INSTALLED IN ACCORDANCE

ACCEPTED AS BEING SUITABLE FOR THIS SERVICE, SUCH AS HILTI SILICONE ELASTOMER, HILTI

THE SLEEVES SHALL BE COMPLETELY SEALED WITH A FIRE STOP MATERIAL THAT IS UL LISTED AND

WHERE CONDUIT, CABLES, DUCTWORK OR PIPING PASSES THROUGH FIRE RATED FLOORS OR WALLS, MATERIALS.

CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RIGGING, HANDLING AND PROTECTION OF

CONTRACTOR SHALL COORDINATE ALL WORK WITH THE C.O.R. AND ALL OTHER CONTRACTORS.

PORTIONS OF THE BUILDING THAT MUST REMAIN IN OPERATION DURING CONSTRUCTION.

CONTRACTOR SHALL SCHEDULE WITH C.O.R. ALL SHUTDOWNS THAT AFFECT UTILITIES AND

COMPLETE INSTALLATION.

INSTRUCTIONS. THE CONTRACTOR SHALL PROVIDE ALL HANGERS AND SUPPORTS REQUIRED FOR A

ALL EQUIPMENT SHALL BE INSTALLED IN STRICT COMPLIANCE WITH THE MANUFACTURER'S WRITTEN

ORDINANCES.

ALL WORK SHALL CONFORM TO ALL STATE AND LOCAL CODES, RULES AND REGULATIONS AND

CHW

CHWR

CHILLED/HOT WATER SUPPLY

CHILLED/HOT WATER RETURN

BALL VALVE, FULL PORT

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C8107.27