bid 1091 - ccac west hills center, drawings

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COMPANYLENZH.F.

CCAC WEST HILLS CENTER NORTH CAMPUS

REPLACEMENT OF TWO EXISTING ROOFTOP UNITS

ISSUED FOR BID

1 2 3 4 5 6

EngineeringE E

1407 Scalp Avenue Johnstown, PA 15904 Phone: 814-269-9300 FAX: 814-269-9301 www.hflenz.com

HFL Project No.: 2018-2011.01

1000 MCKEE ROAD OAKDALE, PA 15071

PROJECT NUMBER: 18-NC-001

CS001 COVER SHEET

H001 SYMBOLS, ABBREVIATIONS, AND GENERAL NOTES - HVAC H101 PARTIAL ROOF PLAN - DEMOLITION - HVAC H201 PARTIAL ROOF PLAN - NEW WORK - HVAC H202 PARTIAL FLOOR PLANS - NEW WORK - HVAC H601 SCHEDULES AND DETAILS - HVAC H602 SPECIFICATIONS - HVAC H603 SPECIFICATIONS - HVAC H701 CONTROLS - HVAC

E001 SYMBOLS, ABBREVIATIONS, AND GENERAL NOTES - ELECTRICAL E101 PARTIAL ROOF PLAN - DEMOLITION - ELECTRICAL E201 PARTIAL ROOF PLAN - NEW WORK - ELECTRICAL E601 SPECIFICATIONS- ELECTRICAL

D D

C C

CCAC WEST HILLS CENTER -

NORTH CAMPUS -REPLACEMENT

OF TWO EXISTING ROOFTOP UNITS

1000 McKee Road Oakdale, PA 15071

DRAWING LIST

COVER SHEET

GCG

DEP

CS001

B B

Project No.: 18-NC-001

Cadd Drawing File: 2018-2011.01

Drawn By:

Checked By:A A

Date: 09/17/2021

Copyright: 2021 H.F. LENZ COMPANY

1 2 3 4 5 6 00

C

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ABBREVIATIONS GENERAL NOTES: DUCTWORK:

PIPING: EngineeringE E



D D

C C





B B

12x8 DUCT (SHOWN x HIDDEN)

DUCTWORK TO BE REMOVED

FC

FLEXIBLE CONNECTION

VOLUME CONTROL DAMPER

DUCT TRANSITION

SUPPLY AIR - RECTANGULAR DUCT SECTION

RETURN AIR - RECTANGULAR DUCT SECTION

1 INDICATES NOTES ELSEWHERE ON DRAWING

ABV ABOVE

BHP BRAKE HORSEPOWER

BTUH BRITISH THERMAL UNIT PER HOUR

CDL CONDENSATE DRAIN LINE

CFM CUBIC FEET PER MINUTE

CHAR CHARACTERISTICS

Db DRY BULB TEMPERATURE, °F

DIA DIAMETER

DN DOWN

DWG DRAWING

EA EACH

EA EXHAUST AIR

EAT ENTERING AIR TEMPERATURE, °F

EF EXHAUST FAN

ELECT ELECTRIC

ESP EXTERNAL STATIC PRESSURE

EWT ENTERING WATER TEMPERATURE

EXIST EXISTING

EXT EXTERNAL

°F FAHRENHEIT

FLA FULL LOAD AMPS

FPM FEET PER MINUTE

FT FEET

GPM GALLONS PER MINUTE

HP HORSEPOWER

HVAC HEATING, VENTILATING, AND AIR CONDITIONING

IN INCH

LAT LEAVING AIR TEMPERATURE, °F

MBH THOUSAND BTUH

MCA MINIMUM CIRCUIT AMPS

MIN MINIMUM

MOCP MINIMUM OVERCURRENT CIRCUIT PROTECTION

N/A NOT APPLICABLE

NOM NOMINAL

NTS NOT TO SCALE

OA OUTSIDE AIR

RA RELIEF/RETURN AIR

RD ROOF DRAIN

RPM REVOLUTIONS PER MINUTE

RTU ROOFTOP UNIT

SA SUPPLY AIR

SENS SENSIBLE

SP STATIC PRESSURE (INCHES OF WATER)

TOT TOTAL

TSP TOTAL STATIC PRESSURE

TYP TYPICAL

V VOLTAGE, VALVE

VFD VARIABLE FREQUENCY DRIVE

Wb WET BULB TEMPERATURE, °F

WPD WATER PRESSURE DROP

1. THE HEATING CONTRACTOR SHALL COORDINATE WITH OTHER CONTRACTORS IN THE LOCATION OF DUCTWORK, PIPING, ETC.

2. THE CONTRACTOR SHALL VISIT AND THOROUGHLY ACQUAINT HIMSELF WITH THE EXISTING SYSTEM AND CONDITIONS IN THE AREAS HE WILL BE REQUIRED TO WORK BEFORE ISSUING HIS BID.

3. THE CONTRACTOR SHALL RELOCATE EXISTING SYSTEMS WHERE CONFLICTS WITH NEW WORK EXIST TO ACCOMMODATE NEW WORK.

4. ALL INTERRUPTIONS OF EXISTING SYSTEMS SHALL BE SCHEDULED IN ADVANCE WITH THE OWNER AND APPROVED BEFORE WORK COMMENCES.

5. DO NOT SCALE DRAWINGS - ALL DIMENSIONS AND EXISTING CONDITIONS SHALL BE CHECKED AND VERIFIED BY THE CONTRACTOR AT THE SITE. NOTIFY ENGINEER OF ANY DEVIATIONS FROM THE DRAWINGS.

6. THE DRAWINGS ARE DIAGRAMMATIC AND SHOW ONLY THE GENERAL ARRANGEMENTS OF ALL PIPING AND EQUIPMENT. BECAUSE OF THE SMALL SCALE OF THE DRAWINGS, IT IS NOT POSSIBLE TO SHOW OR INDICATE ALL OFFSETS, FITTINGS, AND ACCESSORIES WHICH MAY BE REQUIRED TO AVOID EXISTING PIPING OR STRUCTURAL FEATURES.

7. ALL PIPING, CONDUIT, DUCTWORK, ETC., SHALL BE INSTALLED IN A MANNER WHICH WILL NOT DEFACE OR ALTER ANY AREAS. ROUTING OF THE ABOVE EQUIPMENT SHALL BE APPROVED BY THE ENGINEER PRIOR TO INSTALLATION.

8. ALL WORK PERFORMED ON THIS BUILDING SHALL BE IN COMPLIANCE WITH ALL PERTINENT CODES, RULES, ORDINANCES, AND REGULATIONS OF THE LOCAL STATE AND NATIONAL GOVERNING AUTHORITIES.

9. REPORT ANY DISCREPANCIES FOUND IN THE DRAWINGS AND/OR IN THE SPECIFICATIONS DURING THE BIDDING PROCESS FOR CLARIFICATION BY THE ARCHITECT/ENGINEER.

10. THE CONTRACTOR SHALL PROVIDE AND INSTALL ACCESS PANELS AS REQUIRED FOR ACCESS TO VALVES, TRAPS, CLEAN OUTS, CONTROLS, FIRE DAMPERS, ETC. THE CONTRACTOR SHALL COORDINATE INSTALLATION OF ACCESS PANELS WITH FINISH WORK AND ALL OTHER TRADES.

11. THE CONTRACTOR SHALL FURNISH SHOP DRAWINGS OF ANY RELOCATED PIPING, DUCTWORK, EQUIPMENT, ETC., FOR APPROVAL PRIOR TO RELOCATION OF ITEM.

12. ALL PIPE PENETRATIONS WHICH ARE FIRE-RATED, SHALL BE PROPERLY SEALED TO MAINTAIN FIRE PROTECTION. CONTRACTOR SHALL SUBMIT PROPOSED UL SYSTEM FOR REVIEW.

13. ALL DUCT PENETRATIONS WHICH ARE FIRE-RATED, SHALL BE INSTALLED INSTALLED WITH FIRE DAMPERS IN ACCORDANCE WITH NFPA 90A. THIS APPLIES EVEN IF THEY ARE NOT SPECIFICALLY SHOWN ON THE DRAWING.

14. ANY PHYSICAL INSTALLATION MODIFICATIONS, DUE TO FIELD CONDITIONS, SHALL BE RESOLVED BY THE MECHANICAL CONTRACTOR IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE MECHANICAL ENGINEER.

15. THE MECHANICAL CONTRACTOR SHALL PAY FOR ALL FEES AND PERMITS AS NECESSARY TO COMPLETE THE INSTALLATION.

16. THE CONTRACTOR SHALL COORDINATE THE LOCATION OF DUCTWORK WITH ALL EXISTING PIPING AND NEW PIPING BEING INSTALLED.

17. FIRST FIGURE OF DUCT SIZE INDICATES DIMENSION OF FACE SHOWN OR INDICATED.

18. ALL DASHED LIGHT LINES SHOWN ON DRAWINGS INDICATE EXISTING CONSTRUCTION OR EQUIPMENT TO REMAIN, ALL SOLID HEAVY LINES INDICATE NEW CONSTRUCTION OR EQUIPMENT, ALL CROSS-HATCHED LINES INDICATE REMOVAL OF EXISTING CONSTRUCTION OR EQUIPMENT.

DEMOLITION GENERAL NOTES:

HVAC SYMBOLS

SYMBOLS, ABBREVIATIONS, AND

GENERAL NOTES -HVAC



Drawn By:

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Date: 09/17/2021

Copyright: 2021 H.F. LENZ COMPANY

GAS COCK

R GAS REGULATOR

1. DO NOT SCALE DRAWINGS.

2. ALL WORK PERFORMED ON THIS BUILDING SHALL BE IN COMPLIANCE WITH ALL PERTINENT CODES, RULES, ORDINANCES AND REGULATIONS OF THE LOCAL AND STATE GOVERNING AUTHORITIES, AND SEPARATE "SITE SAFETY MANUAL".

3. ALL WORK PERFORMED AND IN CONNECTION WITH THESE DRAWINGS AND SPECIFICATIONS SHALL BE IN STRICT COMPLIANCE WITH THE LATEST OSHA SAFETY AND HEALTH STANDARDS MLS ELEC. SAFETY HANDBOOK #GS-11294.

4. THESE DRAWINGS, BY THEIR NATURE, CANNOT REVEAL ALL CONDITIONS THAT EXIST ON THE SITE. SHOULD CONDITIONS BE FOUND TO VARY SUBSTANTIALLY FROM THIS REPORT, CHANGES IN THE WORK WILL BE MADE WITH RESULTING CREDITS OR EXPENDITURES TO THE CONTRACT SUM ACCRUING TO THE OWNER.

5. THE DRAWINGS INDICATE THE GENERAL LAYOUT AND DO NOT NECESSARILY REPRESENT A COMPLETE FIELD VERIFIED LAYOUT. THE MAJORITY OF MECHANICAL ITEMS ARE SHOWN ON THE DRAWINGS. CERTAIN ITEMS ARE SHOWN AND INDICATED TO REMAIN OR BE REMOVED. GENERALLY, ALL MECHANICAL DEMOLITION IS DESCRIBED BY THE NOTES. THE CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS WITHIN THE DEMOLITION AREAS. REPORT ANY DISCREPANCIES FOUND TO THE CONSTRUCTION MANAGER FOR CLARIFICATION BEFORE PROCEEDING.

6. WHERE IT BECOMES NECESSARY TO TEMPORARILY DISTURB SYSTEMS TO PERMIT EXECUTION OF THE DEMOLITION PROCESS, IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO CONTACT THE OWNER, THROUGH THE CONSTRUCTION MANAGER, TO SCHEDULE A SHUTDOWN. THE DEMOLITION CONTRACTOR SHALL GIVE A MINIMUM OF 2 WEEK ADVANCE NOTICE FOR ANY SUCH GIVEN SHUTDOWN.

7. ALL EXISTING EXTERIOR WALLS AND SURFACES (EXCLUSIVE OF FURRED AREAS), SHAFT WALLS, WALLS ADJACENT TO A DEMOLITION AREA TO REMAIN, SHALL BE PROTECTED FROM DAMAGE AND UNDISTURBED.

8. THE CONTRACTOR SHALL SCHEDULE HIS WORK WITH THE CONSTRUCTION MANAGER IN ORDER TO HAVE THE JOB REPRESENTATIVE DISCONNECT AND RECONNECT ALL CIRCUITS ASSOCIATED WITH THE FIRE ALARM SYSTEM. THE CONTRACTOR SHALL NOTIFY THE ARCHITECT OF ANY CONFLICTS WITH A LIFE SAFETY SYSTEM ON ELEMENTS THAT ARE INDICATED TO BE REMOVED.

9. ALL AUTOMATIC TEMPERATURE CONTROL PANELS, RISERS, AND ACCESSORIES, ETC., AND ALL PNEUMATIC AND/OR ELECTRIC CONTROL PANELS, RISERS, ACCESSORIES, ETC., ARE TO REMAIN INTACT, AND IN PROPER OPERATING CONDITION DURING THE ENTIRE DEMOLITION PROCESS, UNLESS NOTED OTHERWISE ON THE DRAWINGS.

10. IF DURING THE COURSE OF DEMOLITION, EXISTING UTILITIES ARE ENCOUNTERED, WORK IN THAT AREA IS TO BE HALTED UNTIL THE STATUS OF THE UTILITIES HAS BEEN ASCERTAINED BY THE ENGINEER AND AUTHORITY TO PROCEED GIVEN BY THE ENGINEER.

11. ALL CUTTING, DEMOLITION AND PATCHING OF EXISTING AND/OR NEW CONSTRUCTION OR EQUIPMENT IS TO BE PERFORMED BY THE CONTRACTOR WHO IS TO SUPPLY AND INSTALL THE NEW CONSTRUCTION AND/OR EQUIPMENT.

12. WHERE DEMOLITION OF EXISTING CONSTRUCTION AND/OR EQUIPMENT OCCURS, PATCH AND REPAIR FLOOR, WALL, CEILING AND ROOF CONSTRUCTION AND/OR FINISHES TO MATCH ADJACENT CONSTRUCTION AND/OR FINISHES.

13. CONTRACTOR SHALL PROVIDE VIDEO AND PHOTOGRAPHS OF ALL THE AREAS OF WORK AND EXISTING CONDITIONS PRIOR TO THE START OF ANY DEMOLITION AND CONSTRUCTION. VIDEO AND PHOTOGRAPHS SHALL BE SUBMITTED TO THE OWNER PRIOR TO THE START OF ANY WORK. ANY PROPERTY DAMAGE, WITHIN THE AREA OF WORK, NOT DOCUMENTED ON VIDEO OR PHOTOGRAPHS WILL BE THE CONTRACTORS RESPONSIBILITY TO FIX OR REPLACE AT NO ADDITIONAL COST TO THE OWNER.

1. ALL DUCTWORK SIZES NOTED ARE FREE AREA SIZES.

2. TOTAL STATIC PRESSURE NOTED IN SCHEDULES INCLUDES DUCT SYSTEM, TERMINAL UNITS, FILTERS, COILS, ETC.

1. ALL DOWNFEED BRANCHES AND EQUIPMENT SHALL HAVE DRAIN COCKS INSTALLED AT LOWEST POINT.

2. ALL HORIZONTAL LINES SHALL BE RUN LEVEL WITHOUT POCKETS. WHERE POCKETS OCCUR, AUTO AIR VENTS SHALL BE INSTALLED AT EACH VERTICAL RISE.

3. ALL UPFEED RISERS SHALL BE MADE WITH TOP CONNECTIONS AT MAIN. ALL DOWNFEED RISERS SHALL BE MADE WITH BOTTOM CONNECTIONS AT MAIN.

4. CHANGES OF PIPE SIZES ON HORIZONTAL RUNS SHALL BE MADE WITH INVERTED ECCENTRIC REDUCERS WITH TOP OF PIPE LEVEL.

5. ARROWS ON SUPPLY AND RETURN LINES INDICATE DIRECTION OF FLOW.

6. PROVIDE VALVE WITH HOSE END ON ALL LOW POINTS OF PIPING SYSTEM AND AUTO AIR VENTS AT ALL HIGH POINTS OF THE PIPING SYSTEM UNLESS NOTED OTHERWISE.

7. FOR TYPICAL WATER PIPING CONNECTIONS TO EQUIPMENT, SEE STANDARD DETAILS.

8. WATER PIPE CONNECTIONS TO AIR HEATING AND COOLING COILS SHALL BE MADE SO THERE WILL BE COUNTER FLOW BETWEEN WATER AND AIR.

9. DIELECTRIC UNIONS AND FLANGES SHALL BE USED ON ALL CONNECTIONS BETWEEN DISSIMILIAR METALS.

10. PROVIDE SHUT-OFF COCK AT EACH CONNECTION TO GAS EQUIPMENT.

11. PROVIDE DIRT LEG AT BOTTOM OF ALL VERTICAL RISERS AND DROPS IN GAS LINES.

12. COORDINATE LOCATIONS OF ALL LINES AND EQUIPMENT WITH OTHER CONTRACTORS.

13. AT LOCATIONS WHERE NEW CONNECTIONS ARE TO BE MADE TO EXISTING PIPING, THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF EXISTING LINES BEFORE INSTALLING NEW PIPING SYSTEMS.

14. GAS PIPING SIZES INDICATED ON THE DRAWING ARE BASED ON A 2 PSI PRESSURE IN THE NATURAL GAS LOOP. INDIVIDUAL GAS PRESSURE REGULATORS WILL BE INSTALLED AT EACH GAS CONSUMING APPLIANCE TO REDUCE THE GAS PRESSURE DOWN TO UNIT OPERATING PRESSURE.

1 2 3 4 5 6

H001 0 00

GCG

DEP

SD SMOKE DETECTOR

CONNECTION BETWEEN NEW AND EXISTING

EXTENT OF DEMOLITION

PIPE TO BE REMOVED

TOP CONNECTION

BOTTOM CONNECTION

DROP IN PIPE

RISE IN PIPE

C

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C

N

1 2 3 4 5 6

EngineeringE E



D D

EXIST 60x20 RA FROM BELOW

EXIST EF (ABANDONED IN PLACE) EXIST RD

EXIST EF

EXIST 1 1/2"Ø GAS LINE

EXIST 4"Ø VENT

EXIST 2"Ø VENT

EXIST 60x20 SA DOWN

EXIST STEEL DUNNAGE TO REMAIN

C





B B



Drawn By:

A A Checked By:

Date: 09/17/2021

Copyright: C 2021 H.F. LENZ COMPANY

1 2 3 4 5 6 00

PARTIAL ROOF PLAN - DEMOLITION - HVAC H101

Scale: 1/8" = 1'-0"

EXIST 3" CWS&R

EXIST RTU

EXIST 60x20 RA FROM BELOW

EXIST RTU

EXIST 4"Ø VENT

EXIST 18"Ø BOILER FLUE

EXIST RD

EXIST 60x20 SA DOWN

EXIST STEEL DUNNAGE TO REMAIN

1

2

3

4

5

6

NOTES ELSEWHERE ON THIS DRAWING

EXIST 60x20 SA DUCT TO REMAIN BELOW ROOF. CONTRACTOR SHALL DISCONNECT EXISTING DUCT FROM RTU TO BE DEMOLISHED AND PROTECT REMAINING DUCT FROM DAMAGE.

EXIST 60x20 RA DUCT TO REMAIN BELOW ROOF. CONTRACTOR SHALL DISCONNECT EXISTING DUCT FROM RTU TO BE DEMOLISHED AND PROTECT REMAINING DUCT FROM DAMAGE.

DISCONNECT EXISTING GAS LINE FROM RTU TO BE DEMOLISHED. PROTECT EXISTING GAS LINE FOR CONNECTION TO NEW RTU. FURNISH AND INSTALL NEW PIPE PORTAL.

DISCONNECT AND REMOVE IN ITS ENTIRETY EXISTING RTU. DISCONNECT ASSOCIATED POWER AND UTILITIES. EXISTING STEEL DUNNAGE SHALL BE MAINTAINED AND MODIFIED AS REQUIRED FOR REUSE. EXISTING UNIT REFRIGERANT SHALL BE RECLAIMED AND TURNED OVER TO THE OWNER.

REMOVE RTU ROOF CURB TO EXPOSE EXISTING STEEL DUNNAGE. CONTRACTOR TO PATCH ROOF TO MATCH EXISTING WARRANTY.

PROVIDE TEMPORARY PROTECTION OF OPENINGS DURING CONSTRUCTION.

EXISTING RTUS AND ALL ASSOCIATED PIECES BEING DEMOLISHED SHALL BE REMOVED FROM THE CAMPUS SITE IMMEDIATELY AFTER DEMOLITION.

4

4

2 2

3 3

1 1

6 5

5 6

0 4' 8' 16'

SCALE: 1/8" = 1'-0"

NOTE:

KEY PLAN

PARTIAL ROOF PLAN -DEMOLITION -

HVAC

AREA OF WORK

GCG

DEP

H101 0

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C

1

2

3

4

5

6

7

8

9

10

11

4

10

5

6 2 26

5

9

9

3

11

11 68

16

81

7


1 2 3 4 5 6

EXIST 60x20 SA DUCT TO REMAIN BELOW ROOF. CONTRACTOR TO EXTEND EXIST DUCTWORK TO NEW RTU WITH TRANSITION. PROVIDE TRANSITION AND FLEXIBLE CONNECTION AS REQUIRED TO CONNECT TO THE SUPPLY OPENING. PROVIDE DUCT CURB AS SHOWN ON DETAIL 1 OF THIS DRAWING.

EXIST 60x20 RA DUCT TO REMAIN BELOW ROOF. CONTRACTOR TO EXTEND EXIST DUCTWORK TO NEW RTU WITH TRANSITION. PROVIDE TRANSITION AND FLEXIBLE CONNECTION AS REQUIRED TO CONNECT TO THE RETURN OPENING. PROVIDE DUCT CURB AS SHOWN ON DETAIL 1 OF THIS DRAWING.

EXTEND EXIST GAS LINE TO NEW RTU GAS FURNACE SECTION.

PROVIDE NEW NON ROOF PENETRATING PIPE SUPPORTS. CONTRACTOR SHALL FIELD VERIFY EXACT QUANTITY REQUIRED. UTILIZE HIGH DENSITY PADDING UNDER SUPPORTS PROVIDED BY ROOFING CONRACTOR.

NEW ROOFTOP UNIT. PROVIDE NEW STRUCTURAL STEEL ATOP EXISTING. REFER TO DETAIL 5 SHEET H601. SECURE UNIT TO NEW DUNNAGE.

DUCT DETECTOR SHALL BE INSTALLED BELOW THE ROOF LINE. DUCT DETECTOR SHALL BE FURNISHED BY THE EC, MOUNTED BY THE HC AND WIRED BY THE EC.

EXISTING STEEL DUNNAGE POSTS SHALL BE WEATHERPROOFED AND FLASHED INTO NEW ROOF REPAIR. TYPICAL OF TEN (10) LOCATIONS.

PROVIDE NEW PIPE PORTAL AS REQUIRED FOR POWER AND CONTROL WIRING.

COORDINATE FINAL LOCATION AND INSTALLATION WITH ROOFTOP UNIT MANUFACTURER.

RESTORE SITE, LAWN, LANDSCAPING, AND ASPHALT TO PRE-CONSTRUCTION CONDITIONS AS REQUIRED.

3/4" CONDENSATE DOWN THRU ROOF. COORDINATE ROOF PENENTRATION WITH G.C. AND SEAL WATER TIGHT.

EXIST 3" 3" CWS&R CWS&R

3" 2 1/2"

RTU-1 IER

50x24 RA DN TO EXIST 2 1/2" 50x24 RA DN TO EXIST 60x20 RA BELOW ROOF 60x20 RA BELOW ROOF 3"

EXIST EF (ABANDONED IN PLACE) EXIST RD

ACCESS AREA

EXIST EF RTU-2 6 CUH-2

CUH-1 EXIST 4"Ø VENT

EXIST 1 1/2" GAS LINE

EXIST 4"Ø EXIST 18"Ø

VENT BOILER FLUE 5 VENT

EXIST 2"Ø VENT

EXIST RD PIPE PORTAL

50x24 SA DN TO EXIST 60x20 SA BELOW ROOF

50x24 SA DN TO EXIST 60x20 SA BELOW ROOF

PIPE PORTAL VENT

EXIST STEEL DUNNAGE 4

TO REMAIN EXIST STEEL DUNNAGE TO REMAIN

Scale: 1/8" = 1'-0"

THERMAL INSULATION

WEATHERPROOFING JACKET

PROVIDE FLEXIBLE CONNECTION TO UNIT

DUCT INSULATION PER SPECIFICATIONS

EXTERIOR DUCT, SIZE AS NOTED ON THE ROOF PLANS.

LAP EPDM SLEEVE AND WEATHERPROOFING JACKET MIN. 2"

NOTE: REFER TO NOTES BELOW FOR OTHER ITEMS.

TYPE 304 FULLY WELDED STAINLESS STEEL CURB CAP (MIN. 18 GA.) WITH STAINLESS STEEL ANGLE REINFORCEMENTS TO WITHSTAND 200 LB FOOT LOAD.

16" HIGH CURB

WOOD NAILER STRIP HOT DIPPED GALVANIZED OR CADMIUM PLATED LAG SCREW, TYP., SET IN SILCONE SEALANT BED RIGID BOARD INSULATION, FULL DEPTH OF NAILER STRIP. GALV. STEEL ROOF CURB WITH PERIMETER GASKET. LEVEL CURB WITH BLOCKING OR STEEL ANGLES. ROOF BASE FLASHING HARDWOOD SUPPORT BLOCKING

ROOF INSULATION

ROOF STRUCTURE

PROVIDE DUCT TRANSITION AS REQUIRED TO CONNECT TO INTERIOR DUCTWORK.

EngineeringE E



D D

SD SD

SD SD

C





B B

A A

Project No.:

Cadd Drawing File:

Drawn By:

Checked By:

Date:

Copyright: C

18-NC-001

2018-2011.01

09/17/2021

2021 H.F. LENZ COMPANY

1 2 3 4 5 6 00

PARTIAL ROOF PLAN - NEW WORK - HVAC H201 0 4' 8' 16'

SCALE: 1/8" = 1'-0" PARTIAL ROOF PLAN -NEW WORK -

HVAC

DUCT THRU ROOF (RECTANGULAR) NOT TO SCALE

KEY PLAN

AREA OF WORK

GCG

DEP

H201 0

1

AutoCAD SHX Text

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MECHANICAL

EXIST CONTROLPANEL (AHU-2)

T

PS

RTU-2

NEW UNITARY CONTROL PANEL (RTU-1)NEW UNITARY CONTROL PANEL (RTU-2)LOCATION TBD

3/4" CONDENSATEFROM AHU ONROOF ABV( TYP OF 2)

CDL ACID NEUTRALIZER FURNISHED BYRTU MANUFACTURER, INSTALLEDBY THE CONTRACTOR.CONTRACTOR TO PROVIDELIMESTONE FOR NEUTRALIZER.

ROUTE 3/4" CDLALONG FLOORAROUND EX. BOILERAND DISCHARGE TOSAFEWASTE DRAIN.

3/4" SCHEDULE 40PVC PIPE

VENT TOATMOSPHERE

VENT TOATMOSPHERE

T

PS

RTU-1


KEY PLAN

09/17/2021


CCAC WEST HILLSCENTER -


OF TWO EXISTINGROOFTOP UNITS

1000 McKee RoadOakdale, PA 15071

18-NC-001

2018-2011.01

00

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6


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A

B

C

D

E


A

B

C

D

E

1 2 3 4 5

Checked By:

Cadd Drawing File:

Project No.:

Date:

CCopyright:

COMPANYLENZH.F.

1407 Scalp AvenueJohnstown, PA 15904Phone: 814-269-9300FAX: 814-269-9301www.hflenz.com

Engineering

N

AREA OF WORK


PARTIAL FLOOR PLANSNEW WORK -

HVAC

GCG

0

H202

4' 8' 16'

SCALE: 1/8" = 1'-0"

02PARTIAL SECOND FLOOR PLAN - NEW WORK - HVACScale: 1/8" = 1'-0"

4' 8' 16'

SCALE: 1/8" = 1'-0"

01PARTIAL FIRST FLOOR PLAN - NEW WORK - HVACScale: 1/8" = 1'-0"

DEP

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SYMBOL

RTU-1

RTU-2

FIRST FLR

SECOND FLR

SERVES

ROOFTOP AIR HANDLING UNIT SCHEDULE (CW/GAS)

1.5"

SPEXT

2250

OACFM

DBEAT °F

CHILLED WATER COOLING COIL DATA

WB DB WBLAT °F

81 67 55.8 55.8

MBHTOT

261 203

SENSMBH

66

GPM

45

EWT °F

55

LWT °F

11.6

WPDDB

EAT °F

49

SUPPLY FAN DATA

20"

DIAWHEEL

DIRECT

DRIVE

7500

CFM

PF

TYPE

15

HP

5.3"

SPTOT

DBLAT °F

94

GAS FURNACE DATA

MBHINPUT

400 364

MBHTOT OUTPUT

7500 15" BELT CF 5 1.5"

RETURN/RELIEF FAN DATA

DIAWHEELCFM DRIVE TYPE HP SP

TOT

818

RPM

2355

RPM

1.21"

SPIN

FILTER DATA

0.26 0.55FINALINITIAL

SP

8

MERV

FLAT

TYPE

3/60/480V

ELECT CHAR

ENGINEERED AIR

BASIS OF DESIGN

7500

7500

CFMTOTAL

9,165 LBS

UNITWEIGHTVFD

YES 395

FACEVELOCITY

-

DUCTWORK CONSTRUCTION NOTES:

--2" C

A+4"

RETURN AIR

SUPPLY AIR

NOTESEAL(WG)

PRESS.USESYSTEMSMACNA CLASS

1. ALL DUCTWORK SHALL BE CONSTRUCTED PER THE SMACNA 'HVAC DUCTCONSTRUCTION STANDARDS, METAL AND FLEXIBLE', 2ND EDITION (1995)UNLESS OTHERWISE NOTED.

2. REFER TO GENERAL NOTES FOR ADDITIONAL DUCT CONSTRUCTIONINFORMATION.RTU-1

RTU-2

DUCT CONSTRUCTION / INSULATION SCHEDULE

NOTES:1.2.

CAPACITIES BASED ON 95°F AMBIENT TEMPERATURE.

3.VFD PROVIDED BY UNIT MANUFACTURER.

SUPPLY AND RETURN AIR DUCT DETECTORS BY DIVISION 26.

PROVIDE FIELD BUILT SLEEVE IN ACCORDANCE WITH AIRFLOWMEASURING STATION REQUIREMENTS.

NOT TO SCALE2 ROOFTOP AIR HANDLING UNIT CONDENSATE DRAIN TRAP DETAIL

GAS COCK WITH PLUGGED 1/8" NPT TESTGAUGE CONNECTION

GAS PIPING RUN ON ROOF,PRIME & PAINTWITH RUST- RESISTANTPAINT (SAFETY YELLOW)

DRIP/DIRT LEG

PLUGGED 1/8" NPT TESTGAUGE CONNECTION

ROOFTOP UNIT

REDUCE PIPE SIZE & CONNECT TOUNIT GAS CONTROLS WITH GROUNDJOINT UNION. PROVIDE GROMMETFOR WATER-TIGHT SEAL. GAS PIPESIZE AS NOTED.

ROOF

6"

NON PENETRATINGROOF PIPE SUPPORT

NOT TO SCALE3 GAS PIPE ON ROOF DETAIL AIR HANDLING UNIT PIPING SCHEMATIC CHILLED WATER - 2-WAY1

MAV

CWR

CWSVALVE

FCV

STR

VALVE PT

PT

UNION

UNION

COIL

NOTES:1. THE AHU COIL SHALL BE PIPED IN A MANNER IN WHICH ONLY THE

UNIONS MUST BE DISCONNECTED TO PULL/SERVICE THE COIL

2. CONTROL VALVE SHALL BE PROVIDED WITH FLANGED ENDS ORSHALL BE PROVIDED WITH ADJACENT UNIONS TO FACILITATEREMOVAL

3. IF THE AHU HAS MULTIPLE COILS, THEN ALL COMPONENTSSHOWN SHALL BE FOR EACH INDIVIDUAL COIL, EXCEPT THATONLY (1) ONE TCV AND STRAINER ARE REQUIRED FOR THEENTIRE COIL BANK

TCV

M

TH

TH

3/4" DRAIN W/ CAPPEDHOSE END CONNECTION

NOT TO SCALE

EXISTINGC BEAM

(APPROX 12")

4"

NOT TO SCALE5 ROOF SUPPORT ON DUNNAGE DETAIL

9.11

BHP FT

2.91

BHP

39.7

MCA

60

MOCP

1.5"2250 20" DIRECT7500 PF 15 5.3" 7500 15" BELT CF 5 1.5"8182355 0.26 0.558 FLAT 3/60/480V ENGINEERED AIR9,165 LBSYES9.11 2.91 39.7 60

EQUIPMENT SOUND POWER LEVEL SCHEDULECOMPONENT

INLET Lw

62.5 125 250 500 1000 2000 4000 8000

SOUND POWER LEVEL BY OCTAVE BAND

DISCHARGE Lw

86 86 98 94 85 82 80 74

UNIT

RTUSA 87 87 98 96 91 88 84 77

DISCHARGE Lw 88 88 83 80 81 78 76 74RTU RELIEF

4.

10

ROWS

81 67 55.8 55.8 261 203 66 45 55 11.61.21" 39510 49 94 400 364

ACCESS

FLUEACCESS

CHILLED WATER COIL SECTION

FILTER SECTION

MIXING DAMPER

INLE

T H

OO

Dw

/ BIR

DSC

REE

N

ACCESSACCESS

ACCESS

ACCESS

EXHAUST HOOD

EXHAUST FANS SECTION

SUPPLY FAN SECTION

NOT TO SCALE4 ROOFTOP AIR HANDLING UNIT CONFIGURATION

RTU-01 CONFIGURATION RTU-02 CONFIGURATION ELEVATION

CONTROLWIRING

RUBBER CAP

POWERWIRING

STAINLESS STEELSNAP LOCK CLAMP

COMPRESSION MOLDEDNIPPLE (2 REQ'D)

13"x 13" REINFORCEDACRYLIC COATEDPLASTIC COVER

12" HIGH PREFABRICATEDROOF CURBFURNISHED BY HCINSTALLED BY GC

NOT TO SCALE6 PIPE PORTAL DETAIL

50x24

50x24

ROOF

17" AFF

CL

UNIT BASE

UNIT CASING

NEW STRUCTURALSUPPORT BEAM

WELD OR BOLTSECUREMENT

FINAL BOTTOM OF UNIT ELEVATIONSHALL BE NO LESS THAN 36" AFF

COOLING COIL FLUID BASED ON 40% PROPYLENE GLYCOL (ACTUAL 33% PG).5. SYMBOL

CUH-1

CUH-2

175

CFM

CABINET UNIT HEATER SCHEDULE (ELECTRIC)

FAT BASED ON 60°F ENTERING AIR TEMPERATURE.NOTE:1.

600

RPM

1/60/120V

ELECT CHAR

NONE

RECESS

WALL

MOUNTED

-

REMARKSKW

1.5

FAT °F

87

UNIT SHALL BE ON EMERGENCY POWER.2.BUILT-IN SUMMER SWITCH.3.

12.5

AMPS

BUILT-IN THERMOSTAT.4.

175 600 1/60/120V NONE WALL -1.5 87 12.5

DIMENSIONDRAIN TRAP

LOCATION FORNEGATIVE PRESSURE

DRAIN TRAPLOCATION FOR

POSITIVE PRESSURE

A AHU DESIGN SUCTION 2"

B

SP + 1" (4" MINIMUM)

AHU DESIGN SUCTIONSP + 1" (4" MINIMUM)

CONDENSATE DRAIN TRAPSIZING SCHEDULE

TOTAL AHU SP + 1(4" MINIMUM)

NOTES:

CLEANOUT PLUG, TYP.

A

B

CONCRETESPLASH BLOCK

FIELD CUT SUPPORT PIPE ASREQUIRED TO ALLOW CONDENSATEFLOW ONTO SPLASH BLOCK

NOTE:

PROVIDE HOT DIPPEDGALV. OR STAINLESSSTEEL BRACE ANDPIPE CLAMPS

TERMINATE DISCHARGEON 12x12 CONCRETESPLASH BLOCK

ROOF OR GRADE

REFER TO DRAINTRAP SIZINGSCHEDULE FOR "A"AND "B" DIMENSIONS

TO DRAIN PANCONNECTION. DRAINPIPING SIZE SHALL BEONE SIZE LARGERTHAN THE UNITCONNECTION SIZE OR1.25", WHICH EVER ISLARGER.

HDPEPIPEHDPE

PIPE

HDPEPIPE

FERNCO FLEXIBLEQUIK-ELL FITTING,TYP OF 2

FERNCO FLEXIBLECOUPLINGFERNCO

FLEXIBLEQUIK-TEEFITTING

1. FLEXIBLE FITTINGS SHALL BE SECURED WITH STAINLESS STEEL HOSECLAMPS.

2. HDPE PIPING SHALL BE PE 3408 / 3608 OR PE 4710 WITH UV INHIBITORS.

3. DRAIN PAN MAY BE LOCATED IN THE NEGATIVE OR POSITIVE PRESSUREAREA OF THE AIR STREAM. REFER TO DRAIN TRAP SIZING SCHEDULE FORDIMENSIONAL DATA REQUIRED FOR SPECIFIC DRAIN LOCATION.

ELEVATEDHEAT EXCHANGER

GAS FURNACE CONDENSATE TUBE/TRAP FURNISHED BY THE RTUMANUFACTURER. TUBE/TRAP IS SHIPPED LOOSE AND INSTALLED BY THECONTRACTOR IN THE FIELD. CONTRACTOR TO VERIFY/COORDINATE TUBELENGTH REQUIRED WITH THE UNIT MANUFACTURER.

6.

RTU MANUFACTURER TO FURNISH THE ACID NEUTRALIZER TANK. TANK SHALL BESIZED TO HANDLE CONDENSATE FROM BOTH RTUS. CONTRACTOR SHALLFURNISH AND INSTALL LIMESTONE FOR THE TANK.

6.

ACCESS

MIXING DAMPER

FILTER SECTION

CHILLED WATER COIL SECTION

SUPPLY FAN SECTION

EXHAUST HOOD

EXHAUST FANS SECTION

50x24

INLE

T H

OO

Dw

/ BIR

DSC

REE

N

HEAT EXCHANGER SECTION

BURNER SECTION

GASCONN

ELEC PANELCONDENSATE DRAIN

50x24

HEAT EXCHANGER SECTION

BURNER SECTION

GASCONN

ELEC PANELCONDENSATE DRAIN

09/17/2021






18-NC-001

2018-2011.01

00

Drawn By:

Sheet Title:

6


Drawing Number

Seal:

Seal:

Consultants:

Sheet of1 2 3 4 5 6

A

B

C

D

E


A

B

C

D

E

1 2 3 4 5

Checked By:

Cadd Drawing File:

Project No.:

Date:

CCopyright:

COMPANYLENZH.F.


Engineering


SCHEDULES ANDDETAILS -

HVAC

GCG

0

H601

DEP

AutoCAD SHX Text

ISSUED FOR BID

HVAC SPECIFICATIONS

GENERAL

FURNISH LABOR, MATERIALS, TOOLS, SCAFFOLDING AND EQUIPMENT NECESSARY FOR THE WORK INCLUDED UNDER THIS CONTRACT. WORK SHALL BE COMPLETED AND EQUIPMENT INSTALLED IN STRICT ACCORDANCE WITH APPLICABLE LOCAL, STATE AND FEDERAL LAWS, ORDINANCESAND REGULATIONS. FEES, PERMITS AND CERTIFICATES SHALL BE OBTAINED AND SATISFIED BY THIS CONTRACTOR.

SUBMITTALS

SUBMIT TO THE ENGINEER FOR APPROVAL, MANUFACTURER'S PRODUCT DATA FOR ALL EQUIPMENT AND COMPONENTS FURNISHED UNDER THIS CONTRACT. PROVIDE 1/4-INCH SCALE SHOP DRAWINGS OF ALL DUCTWORK AND PIPING SYSTEMS. PROVIDE OWNER WITH THREE (3) SETS OFOPERATION AND MAINTENANCE MANUALS FOR ALL EQUIPMENT FURNISHED UNDER THIS CONTRACT.

SCHEDULE OF WORK AND CONTINUITY OF SERVICES

ARRANGE WORK SO AS NOT TO INTERFERE WITH THE NORMAL OPERATION OF THE EXISTING BUILDING. IF IT BECOMES NECESSARY TO TEMPORARILY INTERRUPT SERVICE TO ANY PORTION OF THE BUILDING, THE OWNER SHALL BE NOTIFIED SUFFICIENTLY IN ADVANCE TO ENABLENECESSARY ARRANGEMENTS TO BE MADE.

DEMOLITION

DISCONNECT AND REMOVE EXISTING SYSTEMS AND EQUIPMENT NO LONGER REQUIRED. WHERE WORK IS TO BE PERFORMED ABOVE EXISTING CEILINGS, THE CONTRACTOR WILL BE RESPONSIBLE FOR REMOVING CEILING TILES, STORING TILES AND REINSTALLING TILES AFTER WORK ISCOMPLETE. THE CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR RESTORING THE EXISTING CEILINGS TO THEIR PRESENT CONDITION WHERE THEY ARE DAMAGED OR WHERE THE SURFACES ARE DIRTIED OR MARRED BY THE WORK INCLUDED UNDER THIS CONTRACT. NEW MATCHINGCEILING TILES AND SUPPORTS SHALL BE FURNISHED AND INSTALLED UNDER THIS CONTRACT WHERE NECESSARY. EXISTING CEILING TILES SHALL BE KEPT AS CLEAN AS POSSIBLE. THE CONTRACTOR SHALL CLEAN UP THE AREAS AS THE WORK PROGRESSES AND REMOVE WASTE ANDDEBRIS DAILY OR WHEN DIRECTED.

TAKE PRE-CONSTRUCTION SITE VIDEO AND STILLS OF AREA OF CONSTRUCTION, STAGING SITE AND CRANE PATH. RESTORE AREAS TO PRE-CONSTRUCTION CONDITIONS AS REQUIRED.

CUTTING AND PATCHING

INCLUDE CUTTING AND PATCHING REQUIRED FOR THE INSTALLATION OF DUCTWORK, PIPING, WIRING AND EQUIPMENT. ANY DAMAGE INCIDENT TO CUTTING OR OTHER CAUSES IN THE PERFORMANCE OF THE CONTRACT WORK SHALL BE MADE GOOD BY REPLACEMENT OR REPAIRS IN AMANNER SATISFACTORY TO THE ENGINEER.

WHERE PIPING OR DUCTS PASS THROUGH FIRE OR SMOKE RATED CONSTRUCTION, FURNISH AND INSTALL SLEEVES AND THOROUGHLY SEAL OPENINGS AROUND SLEEVES, PIPES, DUCTS, ETC. WITH FIRE AND SMOKE RESISTANT MATERIALS. MATERIALS SHALL BE PROVIDED TO MAINTAINTHE FIRE RATING OF THE ADJACENT CONSTRUCTION IN ACCORDANCE WITH THE REQUIREMENTS OF NFPA AND OTHER APPLICABLE CODES.

WARRANTY

WARRANT MATERIAL, EQUIPMENT AND WORKMANSHIP AND PROVIDE MATERIALS, EQUIPMENT AND LABOR TO MAKE GOOD ANY DEFECTS IN SAME WHICH BECOME APPARENT WITHIN ONE YEAR FROM DATE OF FINAL ACCEPTANCE OF COMPLETED WORK.

INSTRUCTIONS

COMPLETE THE SYSTEMS SO THAT THEY ARE FUNCTIONAL AND OPERATING TO THE SATISFACTION OF THE ENGINEER. INSTRUCT PERMANENT OPERATING PERSONNEL IN THE PROPER OPERATION, MAINTENANCE AND ADJUSTMENT OF THE SYSTEMS. TURN OVER EQUIPMENTMANUFACTURERS' BROCHURES TO THE OWNER.

MISCELLANEOUS STRUCTURAL STEEL

FURNISH AND INSTALL MISCELLANEOUS STRUCTURAL STEEL MEMBERS AS REQUIRED TO SUPPORT THE PIPING, DUCTWORK AND EQUIPMENT WITHOUT EXCESSIVE STRESS OR STRAIN ON THE EXISTING BUILDING CONSTRUCTION. STRUCTURAL STEEL MEMBERS SHALL CONFORM TO ASTMA36. STRUCTURAL MEMBERS SHALL BE GALVANIZED. STRUCTURAL MEMBERS EXPOSED TO WEATHER SHALL BE HOT-DIPPED GALVANIZED.

HVAC IDENTIFICATION

PIPE MARKERS: PIPE NAME ABBREVIATIONS AND FLOW ARROWS SHALL BE MARKED ON STRAIGHT RUNS OF PIPING AT 15 FOOT INTERVALS AND AT BRANCH CONNECTIONS, "T'S" AND CHANGES IN DIRECTIONS ON EXPOSED INSULATED AND UNINSULATED PIPING INSTALLED UNDER THISCONTRACT IN EQUIPMENT ROOMS, EQUIPMENT SPACES, ABOVE REMOVABLE TILE CEILINGS AND ACCESS PANELS AND IN VERTICAL CHASES. MARKING SHALL BE APPLIED AFTER FINISH PAINTING IS APPLIED. MARKERS SHALL BE THE B-946 PENNA-CODE THIN FILM PIPE MARKERS ASMANUFACTURED BY W.H. BRADY COMPANY, OR APPROVED EQUAL. MARKERS SHALL BE PRESSURE-SENSITIVE, SELF-STICKING, APPROXIMATELY .0035" THICK AND SUITABLE FOR A TEMPERATURE RANGE OF -40 DEGREES F. TO +250 DEGREES F. TYPE AND STYLE OF MARKERS ANDABBREVIATIONS SHALL MATCH EXISTING.

EQUIPMENT LABELS: ENGRAVED PLASTIC. LETTERS SHALL BE MINIMUM 1/4” HIGH.

VIBRATION CONTROL

ALL ROTATING, VIBRATING, AND MOTOR DRIVEN EQUIPMENT SHALL BE PROVIDED WITH VIBRATION ISOLATION.

VIBRATION ISOLATON PRODUCTS SHALL BE SELECTED IN ACCORDANCE WITH THE ASHRAE HANDBOOK, 2015 EDITION OF HVAC APPLICATIONS VOLUME, CHAPTER 48 "NOISE AND VIBRATION CONTROL", TABLE 47, EXCEPT WHERE THESE SPECIFICATIONS EXCEED ASHRAE REQUIREMENTS. INADDITION, SPECIFIC INDICATIONS ON THE DRAWINGS OR IN AN EQUIPMENT SPECIFICATION ELSEWHERE SHALL TAKE PRECEDENCE OVER THE ABOVE REFERENCED CHAPTER OF THE ASHRAE HVAC APPLICATIONS HANDBOOK. WHERE MORE THAN ONE TYPE OF PRODUCT IS RECOMMENDEDIN TABLE 47, THE SELECTION IS THE CONTRACTOR'S OPTION SO LONG AS THAT TYPE OF PRODUCT IS SPECIFIED HEREIN. TYPE 3 (SPRING) HANGERS AND MOUNTS SHALL BE USED WHERE TYPE 2 (RUBBER) HANGERS AND MOUNTS ARE INDICATED IN TABLE 47.

A. VIBRATION ISOLATORS SHALL BE OF THE SAME MANUFACTURER.B. EQUIPMENT SHALL BE MOUNTED IN ACCORDANCE WITH THESE SPECIFICATIONS AND THE SPECIFIC REQUIREMENTS OF THE VARIOUS EQUIPMENT MANUFACTURERS.C. ISOLATORS LOCATED OUTSIDE THE BUILDING SHALL BE PROTECTED AS FOLLOWS: STEEL PARTS OTHER THAN SPRINGS SHALL BE DRY GALVANIZED; SPRINGS AND HARDWARE SHALL BE CADMIUM PLATED OR COATED TO RESIST CORROSION.D. FLOOR MOUNTED MACHINERY AND EQUIPMENT SHALL BE INSTALLED ON A 4-INCH MINIMUM THICK CONCRETE SUBBASE (HOUSEKEEPING PAD) EXCEPT WHERE SHOWN OR SPECIFIED OTHERWISE.

INTERNALLY ISOLATED AIR HANDLING UNITS SHALL BE MOUNTED ON 1-INCH THICK NEOPRENE ISOLATION PADS AT ALL BEARING POINTS. PADS SHALL BE TYPE "300N" AS MANUFACTURED BY VIBRATION ELIMINATOR CO., OR APPROVED EQUAL BY KINETICS NOISE CONTROL INC. OR MASONINDUSTRIES INC.

HYDRONIC PIPING

CHILLED WATER SYSTEM SUPPLY AND RETURN PIPING, VENT LINES AND DRAIN LINES SHALL BE CONSTRUCTED OF SCHEDULE 40 BLACK STEEL PIPE CONFORMING TO ASTM A53, TYPE E OR S, GRADE A OR B. PIPING FABRICATION AND INSTALLATION SHALL CONFORM TO ANSI B31.1. PIPING2-1/2" AND LARGER SHALL BE ASSEMBLED WITH SEAMLESS FORGED STEEL WELDED FITTINGS AND ANSI CLASS 150 FLANGES CONFORMING TO ANSI B16.5.

AIR CONDITIONING CONDENSATE DRAIN PIPING

EXTERIOR INSTALLATIONS, INCLUDING AT ROOFTOP/ EXTERIOR AIR HANDLING UNITS AND AIR CONDITIONING UNITS: SCHEDULE 40 PVC PIPING WITH SOLVENT WELDED JOINTS IN LIEU OF COPPER TUBE. TERMINATE PIPING OVER A 4-INCH THICK SOLID CONCRETE SPLASH BLOCK ON THEROOF. PAINT THE COMPLETED TRAP WITH OFF WHITE OR LIGHT GREY. APPLY ONE COAT OF PRIMER FOLLOWED BY TWO TOP COATS OF EXTERIOR GRADE POLYURETHANE PAINT THAT IS CHEMICALLY COMPATIBLE WITH PVC.

a. REFER TO DETAIL ON THE DRAWINGS FOR THE FLEXIBLE FERNCO TRAP FITTING THAT SHALL BE INCORPORATED INTO THE TRAP INSTALLATION.

NATURAL GAS PIPING

NATURAL GAS PIPING SHALL BE CONNECTED TO EXISTING PIPING AND EXTENDED TO NEW EQUIPMENT. GAS PIPING SHALL BE SCHEDULE 40 BLACK STEEL PIPE, CONFORMING TO ASTM SPECIFICATIONS A53, TYPE S, GRADE B, AND ANSI STANDARD B36.10. GAS PIPING SHALL BE ASSEMBLEDWITH MALLEABLE IRON SCREWED FITTINGS. GALVANIZED PIPE OR FITTINGS ARE NOT PERMITTED. GAS PIPING SHALL BE FURNISHED AND INSTALLED IN STRICT ACCORDANCE WITH THE REQUIREMENTS OF THE LOCAL GAS COMPANY.

VALVES ON GAS LINES SHALL BE THE APOLLO BALL VALVE NO. 81-100 OR APPROVED EQUAL. VALVE SHALL BE SUITABLE FOR NATURAL GAS USE, UL LISTED, BRONZE BODY, BRONZE BALL, SCREWED ENDS, AND WITH BLOWOUT-PROOF STEM. VALVE SHALL BE RATED AT 600 PSIG WOG.

HYDRONIC VALVES AND ACCESSORIES

BALL VALVES, 2 INCHES AND SMALLER: MSS SP-110, CLASS 150, 600-PSI CWP, ASTM B 584 BRONZE BODY AND BONNET, 2-PIECE CONSTRUCTION; CHROME-PLATED BRASS BALL, FULL PORT; BLOWOUT PROOF; BRONZE OR BRASS STEM; TEFLON SEATS AND SEALS; THREADED OR SOLDEREDEND CONNECTIONS. BALL VALVES SHALL BE AS MANUFACTURED BY NIBCO, APOLLO, WATTS, OR APPROVED EQUAL.

A. OPERATOR: VINYL-COVERED STEEL LEVER HANDLE.B. STEM EXTENSION: FOR VALVES INSTALLED IN INSULATED PIPING.

RESILIENT SEATED BUTTERFLY VALVES, 2-1/2 INCHES AND LARGER: MSS SP-67, CLASS 150, 200-PSI CWP DEAD-END SERVICE, BI-DIRECTIONAL, ASTM A 126 CAST-IRON BODY AND BONNET, EXTENDED NECK, STAINLESS-STEEL STEM, FIELD-REPLACEABLE EPDM OR BUNA N SLEEVE AND STEMSEALS, LUG STYLE BODY WITH ANSI CLASS 150 TAPPED LUGS AND FLANGE BOLTS. BOLTS SHALL BE INSTALLED AT EACH SIDE OF THE LUGS TO ALLOW DOWNSTREAM PIPING TO BE DISCONNECTED. BUTTERFLY VALVES SHALL BE AS MANUFACTURED BY BRAY, DEZURIK. NIBCO, ORAPPROVED EQUAL.

A. DISC TYPE: TYPE 316 STAINLESS STEEL.B. OPERATOR FOR SIZES 2-1/2 INCHES TO 4 INCHES: STANDARD LEVER HANDLE WITH MEMORY STOP.C. OPERATOR FOR SIZES 6 INCHES AND LARGER: GEAR OPERATOR WITH POSITION INDICATOR.D. OPERATOR FOR SIZES 6 INCHES AND LARGER, 96 INCHES OR HIGHER ABOVE FLOOR: CHAIN-WHEEL OPERATOR.

UNIONS SHALL BE CLASS 150 MALLEABLE IRON GROUND JOINT TYPE WITH BRASS-TO-IRON SEAT STOCKHAM NO. 694, OR APPROVED EQUAL.

FURNISH AND INSTALL Y-TYPE STRAINERS IN PIPING SYSTEMS. BASKETS IN STRAINERS SHALL BE STAINLESS STEEL, 2" AND SMALLER SHALL BE NO. 20 MESH, AND 2-1/2" AND LARGER SHALL HAVE 1/8" DIAMETER PERFORATIONS. EACH STRAINER SHALL HAVE A FULL SIZE GATE VALVE ONDRAIN CONNECTION WITH DRAIN LINE EXTENDED TO FUNNEL. VALVES, NIPPLES AND STRAINER BASKETS SHALL BE READILY REMOVABLE. STRAINERS 2" AND SMALLER SHALL BE BRONZE BODY, SCREWED OR SWEAT ENDS AS REQUIRED, SARCO TYPE BT, ARMSTRONG, OR APPROVEDEQUAL. STRAINERS 2-1/2" AND LARGER SHALL BE CAST IRON BODY, ANSI CLASS 150 FLANGED, SARCO TYPE CI-125, ARMSTRONG A1FL-125, OR APPROVED EQUAL.

ON HIGH POINTS OF WATER MAINS AND AT COILS, AND OTHER WATER TERMINALS, FURNISH AND INSTALL A 1/4" MANUAL AIR VENT WITH FULL SIZED BALL 150 PSIG RATED. AIR VENT OUTLETS SHALL BE EXTENDED TO ACCESSIBLE LOCATIONS. AIR VENT OUTLETS SHALL TERMINATE OVERFUNNEL OR FLOOR DRAINS WHERE POSSIBLE. WHERE NECESSARY, HOSE END ADAPTERS SHALL BE PROVIDED ON VENT PIPING.

AUTOMATIC AIR VENTS SHALL BE THE SARCO TYPE 13W, ARMSTRONG TYPE 1-AV, APCO NO. 50, OR APPROVED EQUAL, WITH 150 PSI CAST IRON BODIES AND STAINLESS STEEL TRIM.

LOW POINTS OF THE PIPING SYSTEMS SHALL BE PROVIDED WITH DRAIN VALVES SO THAT THE COMPLETE SYSTEMS CAN BE DRAINED. EACH DOWNFED UNIT OR OTHER EQUIPMENT SHALL BE PROVIDED WITH DRAIN VALVES. DRAIN VALVES SHALL BE 1/2" BALL VALVE WITH HOSE ENDADAPTOR AND CAP SIMILAR TO NIBCO NO. T-580 OR APPROVED EQUAL.

FLOW CONTROL VALVES

PROVIDE BALANCING VALVES AT COILS AS MANUFACTURED BY BELL AND GOSSETT, ARMSTRONG, GRISWOLD, HCI, OR APPROVED EQUAL. VALVES SHALL BE CONSTRUCTED FOR 125-PSIG WORKING PRESSURE, 250 DEG F MAXIMUM OPERATING TEMPERATURE, GLOBE OR BALL VALVE WITHCALIBRATED ORIFICE. PROVIDE WITH CONNECTIONS FOR PORTABLE DIFFERENTIAL PRESSURE METER WITH INTEGRAL CHECK VALVES AND SEALS. VALVE SHALL HAVE INTEGRAL POINTER AND CALIBRATED SCALE TO REGISTER DEGREE OF VALVE OPENING AND MEMORY STOP TO RETAINSET POSITION. VALVES 2-INCH NPS AND SMALLER SHALL HAVE BRONZE BODY WITH THREADED ENDS AND 2-1/2-INCH NPS AND LARGER VALVES SHALL HAVE CAST IRON BODY WITH FLANGED ENDS.

PRESSURE AND TEMPERATURE TAPS

PRESSURE AND TEMPERATURE TAPS AT EACH LOCATION SHALL CONSIST OF A 1/4" NPT FITTING, MOUNTED IN A PIPE NIPPLE, TO RECEIVE EITHER A TEMPERATURE OR A PRESSURE PROBE, 1/8" O.D. THE FITTING SHALL BE SOLID BRASS WITH TWO SELF-CLOSING VALVE CORES OF NORDELSUITABLE FOR A TEMPERATURE OF 275 DEGREES F. AND PRESSURE RATING OF 1,000 PSI AND FITTED WITH A YELLOW COLOR-CODED AND MARKED CAP WITH GASKET. FITTINGS SHALL BE THE "PETE'S PLUG" MODEL 100XL AS MANUFACTURED BY PETERSON EQUIPMENT CO., OR APPROVEDEQUAL.

GAUGES AND THERMOMETERS

FURNISH AND INSTALL PRESSURE GAUGES AND THERMOMETERS. PRESSURE GAUGES SHALL BE CALIBRATED AT THE SITE. STAINLESS STEEL SEPARABLE WELLS SHALL BE INSTALLED AT EACH LOCATION.

PRESSURE GAUGES SHALL BE ADJUSTABLE TO ZERO TO COMPENSATE FOR STATIC WATER PRESSURE. GAUGE DIAL RANGES ON THE WATER SYSTEMS SHALL BE GRADUATED 0 TO 100 PSI WITH 10 PSI FIGURE INTERVALS AND 1 PSI GRADUATION, FOR THE WATER SYSTEM. ACCURACY OFEACH GAUGE SHALL BE 1/2 OF 1 PERCENT OVER ENTIRE SCALE RANGE. CASES SHALL BE CAST ALUMINUM WITH BLACK FINISH AND CHROME RING. PRESSURE GAUGES SHALL BE OF THE BRONZE BOURDON TUBE TYPE WITH 4-1/2-INCH DIAMETER DIALS SIMILAR TO THE 500X SERIES, EACHWITH NO. 872-2 PRESSURE SNUBBER, AND NO. 735-2 NEEDLE VALVE AS MANUFACTURED BY TRERICE, ASHCROFT, WEKSLER, MILJOCO, OR APPROVED EQUAL.

THERMOMETERS SHALL HAVE 9 INCH SCALES, ADJUSTABLE ANGLE MERCURY THERMOMETER WITH "A" SERIES BRASS STEM. RANGE SHALL BE 0 DEGREES F. TO 160 DEGREES F. THERMOMETERS SHALL EACH HAVE A STAINLESS STEEL FRONT WITH GLASS COVER AND SHALL BE PROVIDEDWITH A SUITABLE STAINLESS STEEL SEPARABLE SOCKET. THERMOMETERS SHALL BE THE BX SERIES, ADJUSTABLE ANGLE TYPE, AS MANUFACTURED BY TRERICE, ASHCROFT, WEKSLER, MILJOCO, OR APPROVED EQUAL.

STEM LENGTHS SHALL RANGE BETWEEN 30 PERCENT AND 50 PERCENT OF INSIDE DIAMETER OF PIPING, AND WELLS SHALL BE ARRANGED TO ACCOMMODATE STEMS.

THERMOMETERS AND GAUGES SHALL BE INSTALLED IN A MANNER THAT WILL ALLOW THEM TO BE EASILY READ FROM THE OPERATING FLOOR.

PIPE INSULATION

INSULATION SHALL BE CLASSIFIED AS NON-COMBUSTIBLE BY NFPA AND COVERINGS AND ADHESIVES SHALL MEET THE FLAME SPREAD AND SMOKE DEVELOPED RATINGS.

INSULATE NEW AND REVISED CHILLED WATER SUPPLY AND RETURN PIPING, FITTINGS, VALVES AND UNIONS WITH INSULATION DESCRIBED BELOW WITH ALL-SERVICE JACKETS AND VAPOR BARRIER. ASJ INSULATION JACKETS SHALL BE PROVIDED WITH FACTORY APPLIED PRESSURESENSITIVE SELF-SEALING LAPS. THERMAL CONDUCTIVITY (K) SHALL NOT EXCEED .32 BTU/HR/SQ.FT./IN./DEGREE F. AT 250 DEGREES F. MEAN TEMPERATURE. FITTINGS SHALL BE INSULATED WITH PREMOLDED FIBERGLASS WITH ASJ COVERING. INSULATION SHALL BE AS MANUFACTUREDBY OWENS-CORNING, KNAUF, JOHNS MANVILLE, ARMACELL, K-FLEX, AEROFLEX USA OR APPROVED EQUAL. MINIMUM THICKNESSES SHALL BE AS FOLLOWS

A. AC CONDENSATE DRAIN PIPING: 2-INCH, FLEXIBLE ELASTOMERIC, WITH VAPOR RETARDER.B. CHILLED WATER SYSTEM PIPING: 3-INCH, CELLULAR GLASS, WITH VAPOR RETARDER.

IN ADDITION, PIPE INSULATION LOCATED OUTSIDE SHALL BE COVERED WITH A .016" THICKNESS ALUMINUM JACKET TO PROVIDE A WEATHERPROOF INSTALLATION. JACKET SHALL BE THE CHILDERS PRODUCTS CO. "LOCK-ON" SYSTEM FABRICATED FROM A SMOOTH FINISH TYPE T-3003-H14ALUMINUM WITH FACTORY APPLIED POLYKRAFT MOISTURE BARRIER. JACKETS SHALL BE FABRICATED WITH A "Z-LOCK" LONGITUDINAL SEAM AND ADJACENT SECTIONS SHALL BE JOINED AT A FACTORY FABRICATED BUTT STRAP AND SEALANT. ENTIRE INSTALLATION SHALL CONFORM TOMANUFACTURER'S PUBLISHED INSTRUCTIONS AND SHALL BE COMPLETED IN SUCH MANNER TO WITHSTAND HIGH VELOCITY WINDS TO 100 MPH.

METAL DUCTS

DUCTS SHALL BE CONSTRUCTED, SUPPORTED, REINFORCED AND INSTALLED IN ACCORDANCE WITH THE RECOMMENDATIONS AND DETAILS OF SMACNA HVAC DUCT CONSTRUCTION STANDARDS, METAL AND FLEXIBLE, 3RD EDITION, 2005 FOR ACCEPTABLE MATERIALS, MATERIALTHICKNESSES, AND DUCT CONSTRUCTION METHODS, UNLESS OTHERWISE INDICATED. SHEET METAL MATERIALS SHALL BE FREE OF PITTING, SEAM MARKS, ROLLER MARKS, STAINS, DISCOLORATIONS, AND OTHER IMPERFECTIONS. HOWEVER, WHEN THE REQUIREMENTS OF THISSPECIFICATION SECTION EXCEEDS SMACNA REQUIREMENTS, THE REQUIREMENTS OF THIS SPECIFICATION SECTION SHALL TAKE PRECEDENCE.

METAL USED IN DUCTS SHALL CONFORM TO THE FOLLOWING:

A. GALVANIZED, SHEET STEEL: LOCK-FORMING QUALITY; ASTM A 653, G90 COATING DESIGNATION. MINIMUM THICKNESS PERMITTED SHALL BE 24 GAUGE.B. REINFORCEMENT SHAPES AND PLATES: GALVANIZED STEEL REINFORCEMENT WHERE INSTALLED ON GALVANIZED, SHEET METAL DUCTS; COMPATIBLE MATERIALS FOR STAINLESS-STEEL DUCTS.C. TIE RODS: GALVANIZED STEEL, 1/4-INCH MINIMUM DIAMETER FOR 36-INCH LENGTH OR LESS; 3/8-INCH MINIMUM DIAMETER FOR LENGTHS LONGER THAN 36 INCHES.

SEALANT MATERIALS:

A. JOINT AND SEAM TAPE: 2 INCHES WIDE; GLASS-FIBER-REINFORCED FABRIC.B. TAPE SEALING SYSTEM: WOVEN-FIBER TAPE IMPREGNATED WITH GYPSUM MINERAL COMPOUND AND MODIFIED ACRYLIC/SILICONE ACTIVATOR TO REACT EXOTHERMICALLY WITH TAPE TO FORM HARD, DURABLE, AIRTIGHT SEAL.C. WATER-BASED JOINT AND SEAM SEALANT: FLEXIBLE, ADHESIVE SEALANT, RESISTANT TO UV LIGHT WHEN CURED, UL 723 LISTED, AND COMPLYING WITH NFPA REQUIREMENTS FOR CLASS 1 DUCTS.D. SOLVENT-BASED JOINT AND SEAM SEALANT: ONE-PART, NONSAG, SOLVENT-RELEASE-CURING, POLYMERIZED BUTYL SEALANT FORMULATED WITH A MINIMUM OF 75 PERCENT SOLIDS.E. FLANGED JOINT MASTIC: ONE-PART, ACID-CURING, SILICONE, ELASTOMERIC JOINT SEALANT COMPLYING WITH ASTM C 920, TYPE S, GRADE NS, CLASS 25, USE O.F. FLANGE GASKETS: BUTYL RUBBER OR EPDM POLYMER WITH POLYISOBUTYLENE PLASTICIZER.

RECTANGULAR DUCTS:

A. LENGTHS: FABRICATE RECTANGULAR DUCTS IN LENGTHS APPROPRIATE TO REINFORCEMENT AND RIGIDITY CLASS REQUIRED FOR PRESSURE CLASSIFICATION.B. MATERIALS: FREE FROM VISUAL IMPERFECTIONS SUCH AS PITTING, SEAM MARKS, ROLLER MARKS, STAINS, AND DISCOLORATIONS.C. CROSS BREAKING OR CROSS BEADING: CROSS BREAK OR CROSS BEAD DUCT SIDES 19 INCHES AND LARGER AND 0.0359-INCH-THICK OR LESS, WITH MORE THAN 10 SQ. FT. OF UNBRACED PANEL AREA, UNLESS DUCTS ARE LINED.D. TRANSVERSE JOINTS: PREFABRICATED SLIDE-ON JOINTS AND COMPONENTS AS MANUFACTURED BY DUCTMATE, OR APPROVED EQUAL AND CONSTRUCTED USING MANUFACTURER'S GUIDELINES FOR MATERIAL THICKNESS, REINFORCEMENT SIZE AND SPACING, AND JOINT

REINFORCEMENT.E. FORMED-ON FLANGES: CONSTRUCT ACCORDING TO SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS--METAL AND FLEXIBLE," FIGURE 1-4, USING CORNER, BOLT, CLEAT, AND GASKET DETAILS.

FLEXIBLE CONNECTORS

CONNECTIONS BETWEEN MOTOR-OPERATED EQUIPMENT AND DUCTS SHALL BE MADE WITH FLEXIBLE CONNECTORS AS MANUFACTURED BY, VENTFAB, DURODYNE, OR APPROVED EQUAL. CONNECTORS SHALL BE MADE OF FLAME-RETARDED OR NONCOMBUSTIBLE FABRICS, COATINGS, ANDADHESIVES COMPLYING WITH UL 181, CLASS 1.

METAL-EDGED CONNECTORS: FACTORY FABRICATED WITH A STRIP OF FABRIC 3-1/2 INCHES WIDE ATTACHED TO TWO STRIPS OF 2-3/4-INCH-WIDE, 0.028-INCH-THICK, GALVANIZED SHEET STEEL.

OUTDOOR SYSTEM, FLEXIBLE CONNECTOR FABRIC: GLASS FABRIC DOUBLE COATED WITH WEATHERPROOF, SYNTHETIC RUBBER RESISTANT TO UV RAYS AND OZONE.

A. MINIMUM WEIGHT: 24 OZ./SQ. YD..B. MINIMUM TENSILE STRENGTH: 500 LBF/INCH IN THE WARP AND 440 LBF/INCH IN THE FILLING.C. SERVICE TEMPERATURE: MINUS 50 TO PLUS 250 DEG F.

DUCT LEAKAGE TESTING

ALL DUCTS INSTALLED UNDER THIS CONTRACT SHALL BE LEAK TESTED FOR LEAKAGE AT 100 PERCENT OF DESIGN STATIC PRESSURE IN ACCORDANCE WITH SMACNA RECOMMENDATIONS. LEAKAGE RATE SHALL NOT EXCEED RECOMMENDATIONS OF SMACNA; HOWEVER, CONCENTRATEDLEAKAGE AT ONE POINT WILL NOT BE PERMITTED. DUCTS SHALL BE TESTED BEFORE IT IS COVERED OR CONCEALED AND SHALL BE ISOLATED, CAPPED-OFF AND TESTED IN SECTIONS. CLOSURES SHALL BE FURNISHED AND INSTALLED UNDER THIS CONTRACT. DISASSEMBLE, REASSEMBLE,AND SEAL SEGMENTS OF SYSTEMS AS REQUIRED TO ACCOMMODATE LEAKAGE TESTING AND AS REQUIRED FOR COMPLIANCE WITH TEST REQUIREMENTS. CONDUCT TESTS, IN PRESENCE OF ARCHITECT, AT STATIC PRESSURES EQUAL TO MAXIMUM DESIGN PRESSURE OF SYSTEM BEINGTESTED. DO NOT PRESSURIZE SYSTEMS ABOVE MAXIMUM DESIGN OPERATING PRESSURE. GIVE SEVEN DAYS' ADVANCE NOTICE FOR TESTING. DETERMINE LEAKAGE FROM ENTIRE SYSTEM OR SECTION OF SYSTEM BY RELATING LEAKAGE TO SURFACE AREA OF TEST SECTION.

MAXIMUM ALLOWABLE LEAKAGE: COMPLY WITH REQUIREMENTS FOR LEAKAGE CLASSIFICATION 3 FOR ROUND AND FLAT-OVAL DUCTS, LEAKAGE CLASSIFICATION 12 FOR RECTANGULAR DUCTS IN PRESSURE CLASSIFICATION OF 2-INCH WG AND LEAKAGE CLASSIFICATION 6 FOR PRESSURECLASSIFICATIONS FROM 3- TO 10-INCH WG.

REMAKE LEAKING JOINTS AND RETEST UNTIL LEAKAGE IS LESS THAN MAXIMUM ALLOWABLE. PERFORM TESTS ACCORDING TO SMACNA'S "HVAC AIR DUCT LEAKAGE TEST MANUAL" EXCEPT WHERE THESE SPECIFICATIONS EXCEED SMACNA REQUIREMENTS.

DUCT INSULATION

SUPPLY, OUTDOOR AIR, AND MIXED AIR DUCTS CONCEALED TO VIEW ABOVE CEILINGS SHALL BE COVERED ON THE OUTSIDE AND INSULATED WITH MINERAL FIBER BLANKET INSULATION CONSISTING OF GLASS FIBERS BONDED WITH A THERMOSETTING RESIN. COMPLY WITH ASTM C 553,TYPE III, 1-1/2 PCF DENSITY, WITH A FOIL-SCRIM-KRAFT (FSK) JACKET MANUFACTURED FROM KRAFT PAPER, REINFORCING SCRIM, ALUMINUM FOIL, AND VINYL FILM. VAPOR BARRIER JACKET SHALL BE PROVIDED WITH 2-INCH-WIDE END FLAPS WHICH SHALL BE ADHERED AND SEALED INPLACE WITH VAPOR BARRIER ADHESIVE. THREE-INCH-WIDE FOIL REINFORCED KRAFT TAPE SHALL ALSO BE USED AT SEAMS, JOINTS, PUNCTURES AND PENETRATIONS. SHEET METAL TRANSITIONS AND FITTINGS SHALL BE NEATLY INSULATED WITH INSULATION BLANKET CUT-TO-FIT ANDSECURED OVER ENTIRE SHEET METAL SURFACE. INSULATION THICKNESS SHALL BE 1-1/2 INCHES. DUCT WRAP SHALL BE AS MANUFACTURED BY OWENS-CORNING, KNAUF, OR APPROVED EQUAL.

DUCTS LOCATED ABOVE THE ROOF SHALL BE COVERED WITH 3-INCH THICKNESS RIGID FIBERGLASS BOARD INSULATION WITH A DENSITY OF 6 LBS. PER CUBIC FOOT. INSULATION SHALL BE AS MANUFACTURED BY OWENS-CORNING, KNAUF, OR APPROVED EQUAL. THE TOP OF THEEXTERIOR DUCTS SHALL BE BUILT UP WITH INSULATION IN SUCH A MANNER AS TO ENSURE A POSITIVE DRAIN OF RAIN WATER FROM THE CENTER TO THE SIDES OF THE DUCTS. THE PITCH OF THE BUILT UP SECTION SHALL BE 1/4 INCH PER FOOT OR AS RECOMMENDED OF THEMANUFACTURER OF THE WEATHERPROOF MASTIC. CARE SHOULD BE TAKEN TO ASSURE THAT NO LOW AREAS APPEAR TO PREVENT "POOLING" OF WATER. INSULATION SHALL BE CUT AND MITERED TO FIT THE SHAPE OF THE DUCTS AND SHALL BANDED IN PLACE IN STRICT ACCORDANCEWITH THE INSULATION MANUFACTURER'S REQUIREMENTS. FINISH OVER INSULATION SHALL BE CURED EPDM RUBBER ROOFING MEMBRANE, 60 MIL THICKNESS, SECURELY GLUED IN PLACE (100 PERCENT ADHESIVE COVERAGE) WITH SEAMS 4-INCH OVERLAPPED AND SEALED FOR ACOMPLETELY WATERTIGHT INSTALLATION. DO NOT LOCATE SEAMS ON TOP SURFACE OF DUCTS. INSULATION AND MEMBRANE SHALL EXTEND OVER COUNTERFLASHING WHERE DUCT EXTENDS THROUGH ROOF CURBS. ADJOINING SURFACES SHALL BE WATERPROOFED AND FLASHED.

SMOKE DETECTORS

FURNISH AND INSTALL SMOKE DETECTORS IN AIR HANDLING EQUIPMENT OPERATING IN EXCESS OF 2000 CFM. SMOKE DETECTORS SHALL BE WIRED IN ACCORDANCE WITH NFPA 90A TO DE-ENERGIZE THE UNIT SUPPLY FAN UPON SENSING A SMOKE CONDITION IN THE UNIT. SMOKEDETECTORS SHALL BE IONIZATION TYPE COMPLETE WITH MOUNTING HARDWARE, RESET KEYS, AND PROPER LENGTH OF SAMPLING TUBES. POWER REQUIREMENTS SHALL BE 24 VOLTS. SMOKE DETECTORS SHALL BE MODEL 2098-9507 WITH MODEL 9502 MOUNTING BASE ASMANUFACTURED BY SIMPLEX, OR APPROVED EQUAL.

ROOFTOP AIR HANDLING UNITS

GENERAL: PROVIDE HORIZONTAL, MODULAR, VARIABLE-VOLUME, DRAW-THRU TYPE INDOOR AIR HANDLING UNITS HAVING GAS HEATING, CHILLED WATER COOLING AND AIR HANDLING CAPACITIES SCHEDULED AND ARRANGED FOR 100 PERCENT OUTSIDE AIR OPERATION. THE AIRHANDLING UNITS SHALL CONSIST OF A SUPPLY AND RELIEF FAN SECTION, ECONOMIZER SECTION, COIL SECTION, GAS FIRED HEAT SECTION, AND FILTER SECTION AS APPLICABLE FOR EACH SPECIFIC UNIT INSTALLATION. UNITS SHALL BE INSTALLED IN ACCORDANCE WITH THEMANUFACTURER'S INSTRUCTIONS AND APPROVED INSTALLATION DRAWINGS. UNITS SHALL BE AS MANUFACTURED BY ENGINEERED, OR APPROVED EQUAL.

CONSTRUCTION: AIR HANDLING UNIT CASINGS SHALL BE SUITABLE FOR STATIC PRESSURES TO 4 INCHES W.G. WITH L/240 MAXIMUM DEFLECTION AND CONSTRUCTED OF REMOVABLE GALVANIZED STEEL PANELS EQUIVALENT TO 16 GAUGE ASSEMBLY ON A 14 GAUGE GALVANIZED STEELBASE RAIL. ENTIRE HOUSING SHALL BE ACOUSTICALLY LINED AND THERMALLY INSULATED WITH 2" THICK, R-13, 1-1/2 PCF DENSITY FIBERGLASS INSULATION OR FOAM INSULATION FIRMLY SECURED CASING BY MEANS OF ADHESIVE. ADDITIONALLY, UNIT CASING SHALL BE PROVIDED WITHAN INNER SOLID GALVANIZED STEEL LINER TO COMPLETELY COVER INSULATION. PANELS SHALL BE GASKETED AND SEALED. FULL SIZED HINGED REMOVABLE DOUBLE WALL ACCESS DOORS SHALL BE PROVIDED FOR ACCESS TO EACH SECTION.

FANS: SUPPLY AND RELIEF AIR FANS SHALL BE DOUBLE WIDTH, DOUBLE INLET CENTRIFUGAL TYPE, AIRFOIL OR FORWARD CURVED AS SCHEDULED ON THE DRAWINGS, STATICALLY AND DYNAMICALLY BALANCED AT THE FACTORY FOR QUIET OPERATION. UNITS SHALL HAVE SOLID STEELFAN SHAFTS MOUNTED IN HEAVY DUTY REGREASABLE BALL BEARINGS. BEARINGS SHALL BE SELECTED FOR A MINIMUM (L10) LIFE IN EXCESS OF 100,000 HOURS AT MAXIMUM CATALOGED OPERATING SPEEDS.

FAN MOTORS SHALL BE HEAVY-DUTY 1800 RPM, OPEN DRIP-PROOF, HIGH-EFFICIENCY TYPE, INVERTER DUTY RATED, WITH REGREASABLE BALL BEARINGS. THE MOTOR SHALL HAVE A VARIABLE PITCH SHEAVE AND AN ADJUSTABLE BASE FOR PROPER ALIGNMENT AND BELT TENSIONADJUSTMENT. DRIVE SHALL BE PROVIDED WITH AN EXPANDED METAL BELT GUARD. EACH ENTIRE FAN ASSEMBLY SHALL BE COMPLETELY ISOLATED FROM THE UNIT WITH NEOPRENE GASKETING AROUND THE FAN BULKHEAD AND BY MOUNTING ON 2" DEFLECTION SPRING ISOLATORS.

VARIABLE FREQUENCY DRIVE:

A. VARIABLE FREQUENCY DRIVES SHALL BE FACTORY INSTALLED AND TESTED TO PROVIDE FAN MOTOR SPEED MODULATION.B. THE PACKAGED UNIT CONTROLS SHALL INCORPORATE ALGORITHMS FOR AUTOMATICALLY REDUCING THE UNIT AIRFLOW RATE AT NON-PEAK LOAD CONDITIONS TO REDUCE ENERGY CONSUMPTION AND ENHANCE SPACE DEHUMIDIFICATION.C. SHAFT GROUNDING RING SHALL BE PROVIDED ON ALL VFD DRIVEN MOTORS LARGER THAN 5HP TO PROVIDE A CONDUCTIVE DISCHARGE PATH AWAY FROM THE MOTOR BEARINGS TO GROUND. BEARING PROTECTION RINGS SHALL BE MAINTENANCE FREE CIRCUMFERENTIAL RINGS OF

CONDUCTIVE MICRO FIBERS THAT DISCHARGE VOLTAGES TO GROUND.

COILS: CHILLED WATER COILS SHALL CONSIST OF SEAMLESS COPPER TUBES MECHANICALLY EXPANDED INTO FLAT-PLATE EXTENDED ALUMINUM FINS AND GALVANIZED STEEL CASINGS. TUBES, HEADERS, CONNECTION NIPPLES AND COPPER RETURN BENDS SHALL BE BRAZED INTO ANINTEGRAL ASSEMBLY WITH A HIGH SILVER BRAZING ALLOY.

A. COILS SHALL HAVE CAPACITIES NOTED ON THE DRAWINGS. ELEMENTS SHALL BE COMPLETELY DRAINABLE, WITH INDIVIDUAL DRAIN HEADERS TO INSURE POSITIVE DRAINAGE OF TUBES AND RETURN BENDS. THE COILS SHALL BE CONTROLLED BY 24 VOLT MODULATING VALVES. COILSSHALL BE GUARANTEED FOR OPERATING PRESSURES UP TO 125 PSIG AND SHALL WITHSTAND HYDROSTATIC TESTS OF 250 PSIG.

B. COIL SECTIONS SHALL BE PROVIDED WITH A FACTORY INSTALLED DOUBLE-SLOPED, STAINLESS STEEL INSULATED DRAIN PAN EXTENDING THROUGH ENTIRE COIL SECTION. DRAIN PAN SHALL BE EQUIPPED WITH A CONDENSATE DRAIN OPENING LOCATED AT THE BOTTOM OF THE PAN.CONDENSATE OVERFLOW SWITCH (AUTO-RESETTABLE) SHALL BE FACTORY INSTALLED TO DE-ENERGIZE THE UNIT.

INDIRECT FIRED GAS FURNACE: FACTORY ASSEMBLED, PIPED, AND WIRED; COMPLYING WITH ANSI Z21.47 AND NFPA 54. DESIGNED AND CERTIFIED BY AND BEARING LABEL OF CSA. STAINLESS STEEL BURNER WITH ELECTRONICALLY CONTROLLED ELECTRIC SPARK OR HOT-SURFACEIGNITOR WITH FLAME SENSOR. HEAT EXCHANGER AND DRAIN PAN SHALL BE STAINLESS STEEL. POWER VENT SHALL BE INTEGRAL MOTORIZED CENTRIFUGAL FAN INTERLOCKED WITH GAS VALVE WITH VERTICAL EXTENSION. GAS CONTROL VALVE SHALL BE MODULATING WITH 4:1TURNDOWN. GAS TRAIN SHALL BE SINGLE-BODY, REGULATED, REDUNDANT, 24-V AC GAS VALVE ASSEMBLY CONTAINING PILOT SOLENOID VALVE, PILOT FILTER, PRESSURE REGULATOR, PILOT SHUTOFF, AND MANUAL SHUTOFF.

FILTER SECTIONS: PROVIDE A FILTER SECTION WITH FILTERS. FILTER SECTIONS SHALL BE COMPLETE WITH A DWYER SERIES 2000 MAGNEHELIC GAUGE GRADUATED 0-4" W.G. FILTER SHALL BE REMOVABLE THROUGH ACCESS DOORS FROM ENDS OR FRONT AS REQUIRED. THE UNIT SHALLBE COMPLETE WITH TWO SETS OF REPLACEABLE TYPE 2" PANEL TYPE PREFILTERS (MINIMUM 30 PERCENT EFFICIENT) AND TWO SETS OF 12" DEEP CARTRIDGE TYPE FINAL FILTERS (MINIMUM 65 PERCENT EFFICIENT). ONE SET OF FILTERS SHALL BE INSTALLED IN THE UNIT DURINGCONSTRUCTION AND THE SECOND SET OF FILTERS SHALL BE INSTALLED IN THE UNIT AFTER THE FINAL CLEANUP OF THE AREA.

OUTSIDE AIR SECTION: THE OUTSIDE AIR SECTION SHALL BE DESIGNED TO FORM A PLENUM. OUTSIDE AIR ARRANGEMENT SHALL ALLOW FOR 100% OUTSIDE AIR WITH 100% RELIEF. OUTSIDE AIR SHALL BE INTRODUCED THROUGH HORIZONTAL LOUVERED INTAKE PANELS COMPLETE WITHRAIN LIP AND BIRD SCREEN. THE UNITS FLOOR OF THE OUTSIDE AIR SECTION SHALL PROVIDE FOR WATER DRAINAGE. THE OUTSIDE AIR DAMPERS SHALL BE SIZED TO HANDLE 100% OF THE SUPPLY AIR VOLUME. LOW LEAK DAMPERS SHALL BE PROVIDED. DAMPERS SHALL BE HOLLOWCORE, AIR FOIL TYPE AND FULLY GASKETED AND SIDE SEALED. LEAKAGE SHALL NOT EXCEED 0.3% AT 3" S.P.

ELECTRICAL: EACH UNIT SHALL BE WIRED AND TESTED AT THE FACTORY BEFORE SHIPMENT. WIRING SHALL COMPLY WITH NEC REQUIREMENTS AND SHALL CONFORM TO ALL APPLICABLE UL STANDARDS. ALL ELECTRICAL COMPONENTS SHALL BE LABELED ACCORDING TO THEELECTRICAL DIAGRAM AND SHALL BE UL RECOGNIZED WHERE APPLICABLE. EACH UNIT SHALL HAVE A 115 VOLT CIRCUIT TRANSFORMER, 115 VOLT RECEPTACLE, AND CONTROL CIRCUIT FUSE. THE SUPPLY AIR FAN MOTOR BRANCH CIRCUIT SHALL BE INDIVIDUALLY FUSED. THE SUPPLY AIRFAN MOTOR SHALL HAVE CONTACTORS AND EXTERNAL OVERLOAD PROTECTION. MAIN CONTROL PANEL SHALL BE OF WEATHERPROOF CONSTRUCTION WITH A DEAD FRONT COVER OVER MAIN POWER CIRCUIT CONTROL. A TERMINAL BLOCK SHALL BE PROVIDED FOR THE MAIN POWERCONNECTION AND A TERMINAL BOARD SHALL BE PROVIDED FOR THE LOW VOLTAGE CONTROL WIRING. KNOCKOUTS SHALL BE PROVIDED IN THE BOTTOM OF THE MAIN CONTROL PANELS FOR FIELD WIRING ENTRANCE. A MAIN UNIT NON-FUSED DISCONNECT SWITCH IN A NEMA 3RENCLOSURE SHALL BE PROVIDED.

UNIT OPERATING CONTROLS: FURNISHED AND INSTALLED BY O.Z. ENTERPRISES INC. CONTROL COMPONENTS TO MATCH EXISTING CAMPUS JOHNSON CONTROLS METASYS SYSTEM.

MARINE LIGHTS: MARINE LIGHTS SHALL BE PROVIDED THROUGHOUT AHUS. LIGHTS SHALL BE INSTANT-ON, LIGHT-EMITTING DIODE (LED) TYPE TO MINIMIZE AMPERAGE DRAW AND SHALL PRODUCE LUMENS EQUIVALENT TO A MINIMUM 75W INCANDESCENT BULB (1200 LUMENS). LEDLIGHTING SHALL PROVIDE INSTANT-ON, WHITE LIGHT AND HAVE A MINIMUM 50,000 HR LIFE. LIGHT FIXTURE SHALL BE WEATHER-RESISTANT, ENCLOSED AND GASKETED TO PREVENT WATER AND DUST INTRUSION. ALL LIGHTS ON A UNIT SHALL BE WIRED IN THE FACTORY TO A SINGLEON-OFF SWITCH. INSTALLING CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING 115V SUPPLY TO THE FACTORY-MOUNTED MARINE LIGHT CIRCUIT.

CONVENIENCE OUTLETS: 15 AMP, 115V GFCI CONVENIENCE OUTLET SHALL BE PROVIDED BY THE AHU MANUFACTURER.

INSTALLATION: INSTALL AIR-HANDLING UNITS LEVEL AND PLUMB, ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS. SUSPEND UNITS FROM STRUCTURAL-STEEL SUPPORT FRAME USING THREADED STEEL RODS. ARRANGE INSTALLATION OF UNITS TO PROVIDE ACCESS SPACEAROUND AIR-HANDLING UNITS FOR SERVICE AND MAINTENANCE. INSTALL PIPING ADJACENT TO UNITS TO ALLOW SERVICE AND MAINTENANCE. MAKE FINAL DUCT CONNECTIONS WITH FLEXIBLE CONNECTIONS.

UNIT MANUFACTURER SHALL PROVIDE TWO (2) SESSIONS OF TRAINING NOT LESS THAN FOUR (4) HOURS EACH SESSION.

PREFABRICATED EQUIPMENT MOUNTING RAILS AND PIPE PORTALS

FURNISH AND INSTALL PREFABRICATED EQUIPMENT MOUNTING RAILS FOR INSTALLATION OF ROOF MOUNTED CONDENSING UNITS AND PREFABRICATED PIPE PORTAL SYSTEMS FOR PIPE LINES EXTENDED THROUGH THE ROOF. EQUIPMENT SHALL BE AS MANUFACTURED BY THE ROOFPRODUCTS AND SYSTEMS CORPORATION, THYCURB, THE PATE CO., OR APPROVED EQUAL. OPENINGS IN THE ROOF, SETTING OF CURBS AND RAILS, FLASHING, COUNTERFLASHING, ETC. SHALL BE PROVIDED BY THE CONTRACTOR. PERFORM WORK IN SUCH MANNER AS TO MAINTAIN ROOFBOND.

RAILS AND PIPE PORTAL CURB BASES SHALL BE 18 GAUGE GALVANIZED STEEL OF MONOLITHIC CONSTRUCTION WITH INTEGRAL BASE PLATE, CONTINUOUS WELDED CORNER SEAMS, FACTORY-INSTALLED TREATED WOOD NAILERS, 1-1/2" THICK 3 LB. DENSITY FIBERGLASS INSULATIONADHERED TO INSIDE OF CURB WALLS, AND 24 GAUGE GALVANIZED STEEL COUNTERFLASHING. HEIGHTS AND LENGTHS SHALL BE AS REQUIRED BY THE CONTRACTOR FOR INSTALLATION OF THE EQUIPMENT SHOWN. TOP OF RAILS AND CURBS SHALL BE LOCATED NOT LESS THAN 12"ABOVE FINISHED ROOF SURFACE.

THE PIPE PORTALS SHALL BE FURNISHED WITH A LAMINATED ACRYLIC COATED ABS PLASTIC CURB COVER WITH PREPUNCHED HOLES AND MOLDED SEALING RING ON AN 8" COLLARED OPENING, AND AN EPDM COMPRESSION MOLDED RUBBER CAP AND STAINLESS STEEL CLAMPS.

CURB COVERS SHALL BE RESISTANT TO OZONE AND ULTRAVIOLET SUN RAYS AND SHALL HAVE A SERVICEABLE TEMPERATURE RANGE OF -40 DEGREES F. TO +160 DEGREES F. THE MOLDED SEALING RING ON THE COLLARED OPENING AND THE GROOVE IN THE RUBBER CAP SHALL BEINSTALLED TO ASSURE A WEATHERTIGHT PRESSURE AND MECHANICAL LOCK. THE PROTECTIVE RUBBER CAPS SHALL HAVE A SERVICEABLE TEMPERATURE RANGE OF -60 DEGREES F. TO +250 DEGREES F. AND SHALL ALSO BE RESISTANT TO OZONE AND ULTRAVIOLET SUN RAYS. THECONICAL SHAPED STEPS OF THE NIPPLE SHALL PROVIDE A TAUT WATERPROOF SEAL AROUND THE PIPE. THE STAINLESS STEEL CLAMPS SHALL PROVIDE ADDED PROTECTION TO GUARANTEE THE SEAL.

NON-PENETRATING ROOFTOP SUPPORT SYSTEMS

ALL PIPING AND EQUIPMENT LOCATED ON THE ROOF SHALL BE SUPPORTED BY FACTORY FABRICATED AND ENGINEERED SUPPORT SYSTEM USING WITH STRUCTURAL STEEL MEMBERS BEARING ON SUPPORT BASES THAT DO NOT PENETRATE THE ROOFING SYSTEM. PROVIDE BRACINGMEMBERS, BOLTS, NUTS, WASHERS AND OTHER ACCESSORIES REQUIRED TO PROVIDE A COMPLETE SYSTEM. ALL STRUCTURAL MEMBERS AND FASTENERS SHALL BE HOT DIPPED GALVANIZED IN ACCORDANCE WITH ASTM A 153 OR A 123. ALL PIPING AND EQUIPMENT SUPPORTS SHALLSET THE BOTTOM OF THE PIPE OR EQUIPMENT NO LESS THAN 18” ABOVE THE FINISHED ROOF SURFACE. PREFABRICATED SYSTEM SHALL BE SPECIFICALLY DESIGNED FOR OUTDOOR USE AND INSTALLATION WITHOUT ROOF PENETRATIONS, FLASHING OR DAMAGE TO ROOF MATERIALS(INSULATION, MEMBRANE, ETC.). SUPPORT BASES SHALL BE MOLDED HIGH DENSITY/HIGH IMPACT POLYPROPYLENE WITH UV INHIBITORS AND ANTI-OXIDANTS.

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SPECIFICATIONS -HVAC

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ELECTRIC WALL HEATERS

FURNISH AND INSTALL UL LISTED FORCED AIR CIRCULATION TYPE ELECTRIC WALL HEATERS OF CAPACITIES INDICATED. INTERNAL SHEET METAL PARTS SHALL BE NOT LESS THAN NO. 20-GAUGE RUSTPROOF STEEL. ENCLOSURE AND GRILLE SHALL BE 16-GAUGE STEEL LOUVERED TYPEWITH FACTORY BAKED ENAMEL FINISH OF COLOR SELECTED BY THE ARCHITECT. LOUVERS SHALL BE POSITIONED FOR DOWNFLOW AIR DISCHARGE. HEATER ASSEMBLY SHALL CONSIST OF ENCLOSED HEATING ELEMENTS, FAN, CONTACTORS, INTEGRAL THERMOSTAT AND AUTOMATICTHERMAL CUTOUT SAFETY DEVICES. FAN SHALL BE PROPELLER TYPE DIRECT MOUNTED ON MOTOR SHAFT. MOTOR SHALL BE THERMALLY PROTECTED. HEATER SHALL INCLUDE A FAN-DELAY SWITCH TO DISSIPATE RESIDUAL INTERNAL HEAT AFTER ELEMENTS HAVE BEEN DE-ENERGIZED.CONTROLS SHALL BE CONCEALED WITHIN THE CABINET. WALL HEATERS SHALL BE THE TYPE LAWH AS MANUFACTURED BY Q-MARK, OR APPROVED EQUAL.

PREFABRICATED FLASHED-IN ROOF CURBS FOR DUCT PENETRATIONS

PROVIDE PREFABRICATED CURBS FOR THE PENETRATION OF DUCTWORK THROUGH THE ROOF. CURBS SHALL BE SECURED TO THE ROOF DECK. HARDWOOD BLOCKING SHALL BE PROVIDED TO RENDER A LEVEL AND SMOOTH SURFACE UNDER THE FULL LENGTH OF THE BEARINGSURFACE OF THE CURB.

CONSTRUCTION: DUCT SUPPORT RAILS SHALL BE 18 GAUGE GALVANIZED STEEL OF MONOLITHIC CONSTRUCTION WITH INTEGRAL BASE PLATE, CONTINUOUS WELDED CORNER SEAMS, FACTORY-INSTALLED TREATED WOOD NAILERS, 1-1/2" THICK 3 PCF DENSITY FIBERGLASS INSULATIONADHERED TO INSIDE OF THE WALLS, AND 24 GAUGE GALVANIZED STEEL COUNTER FLASHING. OVERALL HEIGHT OF CURBS SHALL BE NO LESS THAN 14".

ROOF PENETRATIONS: PROVIDE SHEET METAL RAIN CAPS AND COUNTER-FLASHING FOR DUCTWORK EXTENDING THROUGH CURBS. THE RAIN CAP AND COUNTER-FLASHING SHALL BE CONSTRUCTED OF 24 GAUGE GALVANIZED SHEET STEEL WITH SEAMS SOLDERED OR BRAZED, ORCONTINUOUSLY WELDED STAINLESS STEEL. THE EXPOSED SURFACE OF THE RAIN CAP, IF NOT STAINLESS STEEL, SHALL BE BITUMASTIC COATED FOR A COMPLETELY WATERTIGHT INSTALLATION. COUNTER-FLASHING SHALL BE SECURELY CLAMPED DIRECTLY TO THE DUCTS BY MEANS OFA FLASHING COLLAR TO FORM A WATERTIGHT SEAL. EXTERIOR INSULATION AND DUCT WEATHERPROOFING JACKET SHALL BE INSTALLED OVER TOP OF COUNTER-FLASHING. THOROUGHLY SEAL WHERE INSULATION TERMINATES. THE UNDERSIDE OF THE RAIN CAP SHALL BE INSULATEDBY ADHERING 2" THICK, 3 PCF DENSITY GLASS FIBERBOARD INSULATION TO INTERIOR SURFACE.

FASTENERS AND OTHER HARDWARE USED TO FASTEN DUCT SUPPORTS OR CURB CAPS TO WOOD NAILERS SHALL BE STAINLESS STEEL OR HOT DIPPED GALVANIZED STEEL, WITH NEOPRENE BACKED WASHERS.

PROPYLENE GLYCOL/WATER SOLUTION

PROVIDE A COMMERCIAL INHIBITED PROPYLENE GLYCOL SOLUTION FORMULATED SPECIFICALLY FOR USE IN HYDRONIC SYSTEMS. FILL THE SYSTEM TO THE LEVEL OF CONCENTRATION INDICATED ON THE DRAWINGS. THE GLYCOL SHALL MEET THE CORROSION LIMIT REQUIREMENTS OFASTM D-1384. THE GLYCOL SHALL BE DYED A FLUORESCENT COLOR TO ASSIST IN LEAK DETECTION. GLYCOL/WATER SOLUTION SHALL BE PRE-MIXED WITH DE-IONIZED WATER CONFORMING TO ASTM D1193, TYPE II REAGENT WATER STANDARD. THE USE OF LOCAL, ON-SITE WATER ISPROHIBITED. ADVISE THE OWNER AS TO WHICH TYPES OF CORROSION INHIBITORS ARE PRESENT IN THE INHIBITED GLYCOL PRODUCT, AND WHICH TYPES OF INHIBITORS MAY BE ADDED IN THE FUTURE THAT WILL NOT REACT WITH THE INHIBITORS PRESENT IN THE GLYCOL (ANDPOTENTIALLY FORM HARMFUL PRECIPITATES). PROVIDE SUPPLEMENTAL CORROSION INHIBITORS AND BIOCIDES TO PROTECT THE PIPING SYSTEM FROM CORROSION AND BIOFILM FORMATION. IF THE SUPPLEMENTAL INHIBITORS ARE NOT PROVIDED BY THE GLYCOL MANUFACTURER,VERIFY COMPATIBILITY WITH THE GLYCOL WITH THE GLYCOL MANUFACTURER PRIOR TO ADDING THE SUPPLEMENTAL CHEMICALS. PROVIDE PROOF OF THIS VERIFICATION BY WAY OF A LETTER SUBMITTED TO THE ARCHITECT / ENGINEER. THE COOLANT MANUFACTURER SHALL ANALYZETHE FLUID BI-ANNUALLY TO ENSURE THE GLYCOL WATER SOLUTION CONTINUES TO PROVIDE CORROSION PROTECTION WITHIN INDUSTRY STANDARDS AND AT NO COST TO THE OWNER. THE CONTRACTOR SHALL CONDUCT REFRACTOMETER TESTS INITIALLY AND PERIODICALLY OVERTHE WARRANTY PERIOD TO ASSURE THAT A PROPER MIXTURE IS MAINTAINED.

FILL PROCESS: AFTER THE SYSTEM HAS BEEN FLUSHED, CLEANED, RINSED, IT SHALL BE IMMEDIATELY FILLED WITH THE INHIBITED GLYCOL SOLUTION TO THE REQUIRED CONCENTRATION. THE CONTRACTOR SHALL METER THE INITIAL WATER FILL FOR THE PURPOSE OF HYDROSTATICPRESSURE TESTING AND/OR SYSTEM FLUSHING. HIS WILL ALLOW FOR ANY ADJUSTMENTS REQUIRED PRIOR TO DELIVERY OF THE PREMIXED GLYCOL SOLUTION. SHOULD THE CONCENTRATION STILL REQUIRE ADJUSTMENT AFTER THE SYSTEM HAS BEEN FILLED AND AS A RESULT OFTRAPPED WATER, THEN DRAIN THE REQUIRED AMOUNT OF FLUID FROM THE SYSTEM AND REPLACE IT WITH THE SAME MANUFACTURERS COOLANT IN ITS CONCENTRATED FORM. REPEAT THIS PROCESS UNTIL THE REQUIRED CONCENTRATION IS ACHIEVED.

FINAL CONCENTRATION VERIFICATION TEST: CIRCULATE THE GLYCOL WATER MIXTURE FOR 24HOURS BEFORE A SAMPLE IS TAKEN AND TESTED FOR THE PROPER CONCENTRATION, FREEZE POINT, RESERVE ALKALINITY AND PH. ADVISE THE OWNER IN WRITING OF THE EXACT TYPE OFGLYCOL AND SUPPLEMENTAL CORROSION INHIBITORS, TOTAL AMOUNT PROVIDED, AND GUARANTEED LOWEST OUTDOOR AMBIENT TEMPERATURES AT WHICH GELLING AND FREEZING WILL BE PREVENTED.

CONTROLS

BUILDING AUTOMATION SYSTEMS SHALL BY O.Z. ENTERPRISES INC.

CONTROLS SHALL BE AN EXTENSION OF THE EXISTING SYSTEM JOHNSON CONTROLS METASYS SYSTEM UTILIZING THE CURRENT OPERATOR WORK STATION. LOCATE NEW CONTROL PANELS WITHIN MECHANICAL ROOM BELOW UNITS.

HVAC EQUIPMENT SHALL BE CONTROLLED AS INDICATED ON THE DRAWINGS FOR EACH SPECIFIC APPLICATION AND AS SPECIFIED. ALL PACKAGED CONTROL COMPONENTS SHIPPED LOOSE WITH THE EQUIPMENT, INTERCONNECTING WIRING, CONDUIT AND ACCESSORIES WILL BEPROVIDED BY THE CONTRACTOR. PROVIDE CONTROL TRANSFORMERS, ALL REQUIRED AUXILIARY CONTACTS, RELAYS AND INTERFACE WIRING FOR ELECTRICAL INTERLOCKS AND CONTROLS INDICATED ON THE DRAWINGS.

CONTROL VALVES: AUTOMATIC CONTROL VALVES SHALL BE ARRANGED FOR PROPORTIONING CONTROL AND SHALL BE EQUIPPED WITH MODULATING PLUGS FOR THE RATED CAPACITIES AS SHOWN ON THE DRAWINGS. VALVES SHALL HAVE SCREWED ENDS AND BE MADE OF CAST BRASS.VALVE OPERATORS AND TRIM SHALL HAVE ADEQUATE CAPACITY TO MEET MAXIMUM OPERATING SYSTEM PRESSURES. VALVES SHALL BE RATED FOR 125 PSI MAXIMUM PRESSURE. ACTUATORS SHALL BE AS MANUFACTURED BY BELIMO, OR APPROVED EQUAL.

A. VALVES SHALL BE SIZED AT A MAXIMUM FULL FLOW PRESSURE DROP OF 5 PSIG OR AS RECOMMENDED BY THE ATC SYSTEM SUPPLIER.

B. OPERATORS SHALL BE FULLY PROPORTIONING AND SHALL BE CAPABLE OF OPERATING AT RATES OF SPEED TO CORRESPOND WITH THE EXACT DICTATES OF THE CONTROLLER AND VARIABLE LOAD REQUIREMENTS AND SELECTED TO PROVIDE SPEED THAT WILL PREVENT CYCLING.POSITIVE POSITIONERS SHALL BE INSTALLED ON VALVES WHERE REQUIRED TO PROVIDED SUFFICIENT POWER AND ACCURATE SEQUENCING.

SMOKE DETECTORS: FURNISH AND INSTALL SMOKE DETECTORS IN AIR HANDLING EQUIPMENT OPERATING AT 2000 CFM AND HIGHER. SMOKE DETECTORS SHALL BE WIRED IN ACCORDANCE WITH NFPA 90A TO DE-ENERGIZE THE UNIT SUPPLY FAN UPON SENSING A SMOKE CONDITION INTHE UNIT. SMOKE DETECTORS SHALL BE IONIZATION TYPE COMPLETE WITH MOUNTING HARDWARE, RESET KEYS, AND PROPER LENGTH OF SAMPLING TUBES. POWER REQUIREMENTS SHALL BE 24 VOLT. PROVIDE CONTROL CIRCUIT TRANSFORMER. SMOKE DETECTORS SHALL BE MODEL2098-9507 WITH MODEL 9502 MOUNTING BASE AS MANUFACTURED BY SIMPLEX, OR APPROVED EQUAL. INTERFACE WIRING TO THE BUILDING FIRE ALARM PANEL WILL BE PROVIDED UNDER A SEPARATE CONTRACT.

ELECTRIC CONTROL WIRING SHALL BE IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND THE ELECTRICAL SPECIFICATIONS. ALL CONTROL WIRING, INCLUDING LOW VOLTAGE WIRING, OUTSIDE OF CONTROL PANELS SHALL BE RUN IN RIGID CONDUIT OR EMT, AND INSTALLED INSTRICT ACCORDANCE WITH THE REQUIREMENTS OF NEC. WIRING FOR CONTROLS, EXCEPT THE LOW VOLTAGE CONDUCTORS, SHALL BE SINGLE CONDUCTOR SOLID OR STRANDED COPPER NOT LESS THAN NO. 12 AWG, 90 DEGREES C., WITH 600-VOLT TYPE THHN/THWN INSULATION.WIRING IN PANEL CONSTRUCTION MAY BE NO. 16 OR NO. 18 AWG COPPER PROVIDED SAME IS PROPERLY PROTECTED AND/OR IS IN ACCORDANCE WITH THE NEC. NO TEMPERATURE CONTROL WIRING INSTALLED UNDER THIS CONTRACT SHALL BE INSTALLED IN THE BUILDING LIGHTING ANDPOWER CIRCUIT SYSTEM.

LOW VOLTAGE TWO CONDUCTOR AND THREE CONDUCTOR WIRE SHALL BE TWISTED (SIX TURNS PER FOOT) 16 AWG OR 18 AWG WIRE, 1/32, 90 DEGREES C., 600 VOLT THHN/THWN INSULATION. CABLE SHALL BE AS MANUFACTURED BY ALPHA WIRE COMPANY, BELDEN WIRE COMPANY,STANDARD WIRE AND CABLE OR APPROVED EQUAL.

ALL CONDUIT, FITTINGS, HANGERS AND ACCESSORIES FOR CONTROL WIRING INSTALLED BY THE HEATING CONTRACTOR SHALL CONFORM TO THE LEVELS OF QUALITY SPECIFIED UNDER THE ELECTRICAL SPECIFICATIONS.

CONTROLS VENDOR SHALL PROVIDE TWO (2) SESSIONS OF TRAINING NOT LESS THAN FOUR (4) HOURS EACH SESSION.

BALANCING OF AIR AND WATER SYSTEMS

HYDRONIC SYSTEMS AND AIR DISTRIBUTION SYSTEMS INSTALLED UNDER THIS CONTRACT SHALL BE BALANCED UNDER THIS CONTRACT. BALANCING AND SUPERVISION OF BALANCING SHALL BE PERFORMED BY QUALIFIED AND SKILLED PERSONNEL EMPLOYED BY AN APPROVEDINDEPENDENT BALANCING FIRM FUNCTIONING AS A SUBCONTRACTOR TO THE HEATING CONTRACTOR. BALANCING FIRMS SHALL BE AABC OR NEBB CERTIFIED AND SHALL HAVE HAD EXPERIENCE ON SIMILAR SIZED PROJECTS. PAST PERFORMANCES AND QUALIFICATIONS OF THEPROPOSED BALANCING FIRM SHALL BE SUBMITTED TO THE ARCHITECT FOR REVIEW AND APPROVAL.

PREBALANCING CONFERENCE: MEET WITH THE OWNER'S AND THE ENGINEER'S REPRESENTATIVES TO OBTAIN APPROVAL OF THE TESTING, ADJUSTING, AND BALANCING STRATEGIES AND PROCEDURES PLAN TO DEVELOP A MUTUAL UNDERSTANDING OF THE DETAILS.

SUPPLY AIR, RETURN AIR AND EXHAUST AIR SYSTEMS SHALL BE ACCURATELY BALANCED BY MEANS OF A VELOMETER TO THE CFM NOTED ON THE DRAWINGS AND THE DAMPERS AND REGISTERS SECURELY LOCKED INTO POSITION. DUCT SYSTEM ACCESSORIES SHALL BE ADJUSTED ANDSET FOR THE PROPER AIR FLOW QUANTITIES AND CONDITIONS AND THE CONTRACTOR SHALL ADJUST AND SET FANS, SHEAVES, DAMPERS AND ADJUSTMENT MECHANISMS. EXISTING FANS AND AIR DISTRIBUTION SYSTEMS AFFECTED BY THE WORK UNDER THIS CONTRACT SHALL BEREBALANCED UNDER THIS CONTRACT. VOLUME CONTROL DAMPERS SHALL BE SET FOR PROPER AIR DISTRIBUTION AND FOR COMFORTABLE CONDITIONS.

BALANCING DEVICES ON HYDRONIC SYSTEMS SHALL BE ACCURATELY ADJUSTED TO THE REQUIRED GPM. EXISTING PUMPS AND HYDRONIC SYSTEMS AFFECTED BY THE WORK UNDER THIS CONTRACT SHALL BE REBALANCED UNDER THIS CONTRACT. AFTER ADJUSTMENT AND BALANCINGOF EACH WATER COIL, THE CONTRACTOR SHALL SECURELY ATTACH A BRASS OR ALUMINUM TAG TO THE ELEMENT RETURN PIPING, WITHIN THE ENCLOSURE, DESIGNATING THE GPM AND PRESSURE DROP THROUGH THE COIL.

THE CONTRACTOR AND THE BALANCING FIRM SHALL FURNISH SERVICES FOR A MINIMUM OF TWO (2) COMPLETE ADJUSTMENTS OF THE AIR DISTRIBUTION SYSTEMS AND HYDRONIC SYSTEMS, ONE FOR THE FIRST COOLING SEASON AND ONE FOR THE FIRST HEATING SEASON. ALSOPROVIDE ONE INSPECTION PER MONTH DURING THE FIRST COOLING SEASON AND THE FIRST HEATING SEASON.

THE CONTRACTOR SHALL SUBMIT THREE COPIES OF A CHART TO THE ARCHITECT INDICATING THE GPM AND THE PRESSURE DROP THROUGH EACH COIL OF EACH UNIT AFTER BALANCING IS COMPLETED. SIMILAR CHARTS SHALL ALSO BE SUBMITTED FOR THE AIR SYSTEMS INDICATING THECFM AT OUTLET OR INLET OF EACH GRILLE, DIFFUSER AND REGISTER.

THE ENTIRE AIR BALANCE SHALL BE COMPLETED BEFORE THE WATER BALANCE IS STARTED.

SET HVAC SYSTEM AIRFLOW AND WATERFLOW RATES WITHIN THE FOLLOWING TOLERANCES:

A. SUPPLY, RETURN FANS: PLUS 5 TO PLUS 10 PERCENT.B. AIR OUTLETS AND INLETS: 0 TO MINUS 10 PERCENT.D. COOLING-WATER FLOW RATE: 0 TO MINUS 5 PERCENT.

THE FOLLOWING WORK SHALL BE INCLUDED UNDER THIS CONTRACT:

A. SUPERVISE AND PERFORM THE BALANCING OF WATER CIRCULATION SYSTEMS AND PARTS THEREOF INSTALLED OR REVISED UNDER THE HEATING CONTRACT TO OBTAIN THE WATER QUANTITIES AND TEMPERATURE DROPS IN ACCORDANCE WITH THE SYSTEM DESIGN CONCEPT ANDFUNCTIONAL INTENT AS DETERMINED BY THE ARCHITECT.

B. SUPERVISE AND PERFORM THE BALANCING OF AIR DISTRIBUTION SYSTEMS TO ACHIEVE THE AIR QUANTITIES SPECIFIED AT EACH AIR INLET, OUTLET AND DAMPER SHOWN ON THE CONTRACT DRAWINGS AT THE PROPER CONDITIONS OF STATIC PRESSURE AND TEMPERATUREDIFFERENTIAL.

C. ENLIST COOPERATION OF EQUIPMENT MANUFACTURERS WHERE NEEDED TO OBTAIN PROPER EQUIPMENT PERFORMANCE.D. STUDY AND REPORT ON NOISE PROBLEMS WHICH MAY DEVELOP IN THE COURSE OF SYSTEM BALANCING.E. SUBMIT SEPARATE REPORTS ON THE WATER CIRCULATING SYSTEMS AND AIR DISTRIBUTION SYSTEMS. THESE REPORTS SHALL CERTIFY TEST METHODS AND INSTRUMENTS USED, READINGS OBTAINED, TEMPERATURE AND PRESSURE DROPS, RPM OF EQUIPMENT, AMPERAGE OF

MOTORS, AIR QUANTITIES AT EACH OUTLET, SUPPLY, RETURN AND AIR BALANCING PROBLEMS ENCOUNTERED AND SUGGESTIONS. REPORTS SHALL BE SUBMITTED TO THE ARCHITECT AND SHALL INCLUDE DATA ON TESTS IN THE FORM NORMALLY USED BY AABC; HOWEVER, VARIED TOSUIT THESE SPECIFICATIONS. REPORTS SHALL INCLUDE FAN CURVES FOR THE FINAL SPEEDS DEVELOPED FROM THE FAN MANUFACTURER'S PERFORMANCE TEST DATA FOR MAJOR FANS.

BALANCING OF HEATING SYSTEMS SHALL BE PERFORMED WHEN OUTSIDE TEMPERATURE IS AVERAGING LESS THAN 30 DEGREES F. AND ON COOLING SYSTEMS WHEN OUTSIDE TEMPERATURE IS ABOVE 80 DEGREES F.

THE CONTRACTOR SHALL FURNISH INSTRUMENTS AND PROVIDE INSTRUMENTATION REQUIRED TO PERFORM THE ABOVE WORK; HOWEVER, HE SHALL SUBMIT TO THE ARCHITECT A LIST OF THE BALANCING EQUIPMENT AND INSTRUMENTS HE INTENDS TO USE. EQUIPMENT MUST BE FIRSTAPPROVED BEFORE BEING USED ON THE PROJECT.

IN ADDITION TO THE ABOVE WORK, THE CONTRACTOR SHALL CHECK THE OPERATION OF AUTOMATIC TEMPERATURE CONTROL EQUIPMENT; VERIFY THERMOSTAT SET POINTS AND OPERATION; AND MAKE NECESSARY ADJUSTMENTS WHERE REQUIRED.

END OF SPECIFICATIONS

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Project No.:

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CCopyright:

COMPANYLENZH.F.


Engineering


SPECIFICATIONS -HVAC

GCG

0

H603

DEP

AutoCAD SHX Text

ISSUED FOR BID

RA

T

DI - Supply Air Smoke Detector

M

CT

VFD

Locate ¾distance downlongest duct

H L

SASF

DI - Supply Fan Status

AI - Supply Air Temp

L H

AI - Fan Differential Pressure

S

AI - Supply Air Static Pressure

AI - Supply Air Flow

RUN CONDITIONS:THE UNIT SHALL RUN BASED UPON AN OPERATOR ADJUSTABLESCHEDULE.

AHU OPTIMAL START:THE UNIT SHALL START PRIOR TO SCHEDULED OCCUPANCY BASED ONTHE TIME NECESSARY FOR THE ZONES TO REACH THEIR OCCUPIEDSETPOINTS. THE START TIME SHALL AUTOMATICALLY ADJUST BASED ONCHANGES IN OUTSIDE AIR TEMPERATURE AND ZONE TEMPERATURES.

EMERGENCY SHUTDOWN:THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPONRECEIVING AN EMERGENCY SHUTDOWN SIGNAL.

FREEZE PROTECTION:MANUAL RESET LOW TEMPERATURE THERMOSTATS (FREEZESTATS)SHALL BE SERPENTINED ON THE COOLING COIL INLET. THE UNIT SHALLSHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A FREEZESTATSTATUS.

HIGH STATIC SHUTDOWN:THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPONRECEIVING A HIGH STATIC SHUTDOWN SIGNAL.

LOW STATIC SHUTDOWN:THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPONRECEIVING A HIGH LOW STATIC SHUTDOWN SIGNAL.

SMOKE DETECTION:THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPONRECEIVING A SMOKE DETECTOR STATUS.SMOKE DETECTORS SHALL MATCH EXISTING SYMPLEX GRINNELLSYSTEM. EACH UNIT SHALL BE TIED INTO EXISTING FIRE ALARM SYSTEM.WHENEVER THE SMOKE DETECTOR TRIPS, THE DDC SYSTEM SHALLSTOP THE AHU FAN, CLOSE THE OUTDOOR AIR DAMPER. WHEN THESMOKE CONDITION IS CLEARED AND THE ASSOCIATED DETECTOR(S)RESET, THE DDC SYSTEM WILL ATTEMPT TO RESTART THE RTU.

SUPPLY FAN:THE SUPPLY FAN SHALL RUN ANYTIME THE UNIT IS COMMANDED TO RUN,UNLESS SHUTDOWN ON SAFETIES.

ALARMS SHALL BE PROVIDED AS FOLLOWS:· SUPPLY FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.· SUPPLY FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.

RELIEF FAN:THE RELIEF FAN SHALL RUN WHENEVER THE SUPPLY FAN RUNS. RELIEFFAN SHALL MODULATE BASED ON PLENUM STATIC PRESSURE ANDECONOMIZER MODE.ALARMS SHALL BE PROVIDED AS FOLLOWS:

· RELIEF FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.· RELIEF FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.· RELIEF FAN VFD FAULT.

RETURN PLENUM STATIC PRESSURE CONTROL:THE CONTROLLER SHALL MEASURE RETURN PLENUM STATIC PRESSUREAND MODULATE THE RELIEF FAN VFD SPEED TO MAINTAIN A RETURNPLENUM STATIC PRESSURE SETPOINT OF 0.2 IN H2O (ADJ.). THE RETURNFAN VFD SPEED SHALL NOT DROP BELOW 20% (ADJ.).

ALARMS SHALL BE PROVIDED AS FOLLOWS:· HIGH RETURN PLENUM STATIC PRESSURE: IF THE RETURN AIR

PLENUM STATIC PRESSURE IS 25% (ADJ.) GREATER THAN SETPOINT.· LOW RETURN PLENUM STATIC PRESSURE: IF THE RETURN AIR

PLENUM STATIC PRESSURE IS 25% (ADJ.) LESS THAN SETPOINT.

SUPPLY AIR DUCT STATIC PRESSURE CONTROL:THE CONTROLLER SHALL MEASURE DUCT STATIC PRESSURE ANDMODULATE THE SUPPLY FAN VFD SPEED TO MAINTAIN A DUCT STATICPRESSURE SETPOINT. THE SPEED SHALL NOT DROP BELOW 30% (ADJ.).

· THE INITIAL DUCT STATIC PRESSURE SETPOINT SHALL BE 1.50 INH2O (ADJ.).

ALARMS SHALL BE PROVIDED AS FOLLOWS:· HIGH SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC

PRESSURE IS 25% (ADJ.) GREATER THAN SETPOINT.· LOW SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC

PRESSURE IS 25% (ADJ.) LESS THAN SETPOINT.· SUPPLY FAN VFD FAULT.

SUPPLY AIR TEMPERATURE SETPOINT:THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE. ALARMS SHALL BE PROVIDED AS FOLLOWS:

· HIGH ZONE TEMP: IF THE ZONE TEMPERATURE IS GREATER THANTHE COOLING SETPOINT BY A USER DEFINABLE AMOUNT (ADJ.).

· LOW ZONE TEMP: IF THE ZONE TEMPERATURE IS LESS THAN THEHEATING SETPOINT BY A USER DEFINABLE AMOUNT (ADJ.).

SUPPLY AIR TEMPERATURE SETPOINT - OUTSIDE AIR RESET:THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE ANDSHALL MAINTAIN A SUPPLY AIR TEMPERATURE SETPOINT RESET BASEDON OUTSIDE AIR TEMPERATURE.THE SUPPLY AIR TEMPERATURE SETPOINT SHALL RESET FOR COOLINGAS FOLLOWS:

· AS OUTSIDE AIR TEMPERATURE RISES FROM 50°F (ADJ.) TO 85°F(ADJ.)THE SUPPLY AIR TEMPERATURE SETPOINT SHALL RESETDOWNWARDS FROM 65°F (ADJ.) TO 55°F (ADJ.).

IF THE RETURN AIR TEMPERATURE DROPS BELOW 68°F (ADJ.), THEN THESUPPLY AIR TEMPERATURE SETPOINT SHALL BE RESET FOR HEATING ASFOLLOWS:

· AS OUTSIDE AIR TEMPERATURE DROPS FROM 50°F (ADJ.) TO 20°F(ADJ.).THE SUPPLY AIR TEMPERATURE SETPOINT SHALL RESET UPWARDSFROM 75°F (ADJ.) TO 95°F (ADJ.)

ECONOMIZER:THE CONTROLLER SHALL MEASURE THE MIXED AIR TEMPERATURE ANDMODULATE THE ECONOMIZER DAMPERS IN SEQUENCE TO MAINTAIN ASETPOINT 2°F (ADJ.) LESS THAN THE SUPPLY AIR TEMPERATURESETPOINT. THE OUTSIDE AIR DAMPERS SHALL MAINTAIN A MINIMUMADJUSTABLE POSITION OF 20% (ADJ.) OPEN WHENEVER OCCUPIED.

THE ECONOMIZER SHALL BE ENABLED WHENEVER:· OUTSIDE AIR TEMPERATURE IS LESS THAN 65°F (ADJ.).· AND THE OUTSIDE AIR ENTHALPY IS LESS THAN 22 BTU/LB (ADJ.)· AND THE OUTSIDE AIR TEMPERATURE IS LESS THAN THE RETURN

AIR TEMPERATURE.· AND THE OUTSIDE AIR ENTHALPY IS LESS THAN THE RETURN AIR

ENTHALPY.· AND THE SUPPLY FAN STATUS IS ON.

THE ECONOMIZER SHALL CLOSE WHENEVER:· MIXED AIR TEMPERATURE DROPS FROM 40°F TO 35°F (ADJ.)· OR THE FREEZESTAT (IF PRESENT) IS ON.· OR ON LOSS OF SUPPLY FAN STATUS.

THE OUTSIDE AND EXHAUST AIR DAMPERS SHALL CLOSE AND THERETURN AIR DAMPER SHALL OPEN WHEN THE UNIT IS OFF. IF OPTIMALSTART UP IS AVAILABLE THE MIXED AIR DAMPER SHALL OPERATE ASDESCRIBED IN THE OCCUPIED MODE EXCEPT THAT THE OUTSIDE AIRDAMPER SHALL MODULATE TO FULLY CLOSED.

MINIMUM OUTSIDE AIR VENTILATION:WHEN IN THE OCCUPIED MODE, THE CONTROLLER SHALL MEASURE THEOUTSIDE AIRFLOW AND MODULATE THE OUTSIDE AIR DAMPERS TOMAINTAIN THE PROPER MINIMUM OUTSIDE AIR VENTILATION,OVERRIDDING NORMAL DAMPER CONTROL. ON DROPPING OUTSIDEAIRFLOW, THE CONTROLLER SHALL MODULATE THE OUTSIDE AIRDAMPERS OPEN TO MAINTAIN THE OUTSIDE AIRFLOW SETPOINT (ADJ.).

COOLING COIL VALVE:THE CONTROLLER SHALL MEASURE THE SUPPLY AIR TEMPERATURE ANDMODULATE THE COOLING COIL VALVE TO MAINTAIN ITS COOLINGSETPOINT.THE COOLING SHALL BE ENABLED WHENEVER:

· OUTSIDE AIR TEMPERATURE IS GREATER THAN 60°F (ADJ.).· AND THE SUPPLY FAN STATUS IS ON.· AND THE HEATING IS NOT ACTIVE.

THE COOLING COIL VALVE SHALL OPEN TO 50% (ADJ.) WHENEVER THEFREEZESTAT (IF PRESENT) IS ON. ALARMS SHALL BE PROVIDED ASFOLLOWS:

· HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS 5°F(ADJ.) GREATER THAN SETPOINT.

MODULATING GAS HEATING:THE CONTROLLER SHALL MEASURE THE SUPPLY AIR TEMPERATURE ANDMODULATE THE HEATING TO MAINTAIN ITS HEATING SETPOINT. TOPREVENT SHORT CYCLING, THERE SHALL BE A MINIMUM DELAYBETWEEN STAGES OF MODULATION, AND EACH STAGE SHALL HAVE AMINIMUM RUNTIME.

THE HEATING SHALL BE ENABLED WHENEVER:· OUTSIDE AIR TEMPERATURE IS LESS THAN 65°F (ADJ.).· AND THE COOLING IS DISABLED.· AND THE SUPPLY FAN STATUS IS ON.

PREFILTER DIFFERENTIAL PRESSURE MONITOR:THE CONTROLLER SHALL MONITOR THE DIFFERENTIAL PRESSUREACROSS THE PREFILTER.ALARMS SHALL BE PROVIDED AS FOLLOWS:

· PREFILTER CHANGE REQUIRED: PREFILTER DIFFERENTIALPRESSURE EXCEEDS A USER DEFINABLE LIMIT (ADJ.).

MIXED AIR TEMPERATURE:THE CONTROLLER SHALL MONITOR THE MIXED AIR TEMPERATURE ANDUSE AS REQUIRED FOR PREHEATING CONTROL.ALARMS SHALL BE PROVIDED AS FOLLOWS:

· HIGH MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS GREATERTHAN 90°F (ADJ.).

· LOW MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS LESSTHAN 45°F (ADJ.).

SUPPLY AIR TEMPERATURE:THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE. ALARMS SHALL BE PROVIDED AS FOLLOWS:

· HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE ISGREATER THAN 120°F (ADJ.).

· LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS LESSTHAN 45°F (ADJ.).

GRAPHICS AND MONITORING:BAS FRONT END SYSTEM SHALL INCLUDE GRAPHICS SHOWING ALL HVACSYSTEMS, ALARMS AND OTHER POINTS SHOWN ON THE DRAWINGS ANDINCLUDED IN THE SPECIFICATIONS AND IN ACCORDANCE WITH VAREQUIREMENTS. VFDs SHALL REPORT OPERATIONAL AND ALARMCONDITIONS TO THE BAS.

DDC PANELS:PROVIDE NETWORK AREA CONTROL PANELS IN ACCORDANCE WITH THESPECS TO BE LOCATED IN THE RESPECTIVE MECHANICAL ROOMS TOSERVE TERMINAL BOXES AND OTHER EQUIPMENT.

T

AI - Cooling Coil Air Temp

Gas

AO - Modulating Heat

DO - SUPPLY FAN - S/S

DI - SUPPLY FAN - STATUS

AO - SUPPLY FAN - SPEED CONTROL

DI - SUPPLY FAN - VFD RUN STATUS

AI - SUPPLY FAN - VFD CURRENT

AI - SUPPLY FAN - VFD POWER

DI - SUPPLY FAN - VFD ALARM STATUS

SUPPLY FAN VFD

M

CT

VFD

RF

DI - Relief Fan Status

LH

AI - Fan Differential Pressure

H L

AI - Prefilter Differential Pressure

N.C.

MAO - Relief Damper

DI - Relief Damper Status

T

DI - Freezestat

AO - Cooling Valve

CHWSCHWR

M

CHW

AI - Mixed Air Temp

T

RA

AI - Return Air Flow

T H

AI - Return Air Temp

DI - Return Air Smoke Detector

AI - Return Air Humidity

SD

AI - OA Air Flow

DI - OA Damper Status

N.C

.MAO - Outside Air Damper

OA

DO - RELIEF FAN - S/S

DI - RELIEF FAN - STATUS

AO - RELIEF FAN - SPEED CONTROL

DI - RELIEF FAN - VFD RUN STATUS

AI - RELIEF FAN - VFD CURRENT

AI - RELIEF FAN - VFD POWER

DI - RELIEF FAN - VFD ALARM STATUS

RELIEF FAN VFD

HL

AI - Plenum Pressure (PER RTU)

T

AI - RTU Temp (PER RTU)

09/17/2021






18-NC-001

2018-2011.01

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Drawn By:

Sheet Title:

6


Drawing Number

Seal:

Seal:

Consultants:

Sheet of1 2 3 4 5 6

A

B

C

D

E


A

B

C

D

E

1 2 3 4 5

Checked By:

Cadd Drawing File:

Project No.:

Date:

CCopyright:

COMPANYLENZH.F.


Engineering


CONTROLS -HVAC

GCG

0

H701

DEP

AutoCAD SHX Text

%%URTU SEQUENCES OF OPERATION

AutoCAD SHX Text

%%URTU CONTROL DIAGRAM

AutoCAD SHX Text

ISSUED FOR BID

UNLESS NOTED OTHERWISE

UNINTERRUPTIBLE POWER SUPPLYMAXIMUM

LOCAL AREA NETWORK

CLAD CABLEMECHANICAL CONTRACTOR / METALMC

MAX

LAN

WEATHERPROOFWP

W/ WITH

VERTICALVERT

UPS

UNO

NATIONAL ELECTRICAL CODE

SURFACE MOUNTED RACEWAY

TELEPHONE TERMINAL CABINET

EMERGENCY

EXISTING (EXIST)

END OF LINE RESISTOR

HEATING CONTRACTOR

INSIDE DIAMETER

JUNCTION BOX

FIRE EXTINGUISHER CABINET

ELECTRICAL METALLIC TUBING

FIRE ALARM / FEEDER AMPLIFIER

FREQUENCY IN CYCLES PER SECONDHZ

ID

JB

GRD

HC

GROUND

EX

FA

FEC

FDR FEEDER

EC

EA

ELR

EMT

EACH

UNDERGROUND

TEMPORARY

TERMINAL

TYPICAL

TWISTED SHIELDED PAIR

TWISTED PAIR

TYP

UG

TP

TSP

TTC

TERM

TEMP

TELEPHONETEL

SPECIFICATIONS

RIGHT OF WAY

SPECS

STL

SMR

STEEL

SHT

R/W

SHEET

REQUIRED

RECEPTACLE

REMOTE CONTROL

REVISION

RECP

REV

REQ'D

R

RC

RELAY

AMERICAN WIRE GAGE

BELOW FINISHED GRADE

AUXILIARY

CENTERLINE

DIAMETER

DRAWING

DIRECT CURRENT

DIRECT BURIAL / DECIBEL

CU

DB

DIA

DC

DWG

DN DITTO

COPPER

CLG CEILING

C CONDUIT

@

AUX

BFG

AWG

AT

PROPERTY LINE

PRIMARYPRI

PR PAIR

LP

PLUMBING CONTRACTOR

PULLBOX

POST INDICATOR VALVEPIV

PC

PB

OUTSIDE DIAMETER

NOT IN CONTRACT

OVERHEAD

ON CENTER

NORMALLY OPEN

NOT TO SCALE

OC

OD

OH

NTS

NO

NIC

MOUNTED

NORMALLY CLOSED

NEUTRALNEUT

NEC

NC

MTD

ABOVE FINISHED FLOOR

AIR HANDLING UNIT

ABOVE FINISHED GRADE

APPROXIMATELY

ALTERNATE

ABOVE COUNTER

AMERICANS W/DISABILITIES ACT

AFF

AFG

AHU

ALT

APPROX

ADA

AB

MISCELLANEOUS

MINIMUMMIN

MISC

DOWNDWN

ELECTRICAL CONTRACTOR

EXISTING TO REMAINETR

PAINTED AFTER FABRICATIONPAF

ABBREVIATIONSABBREV

1.

2.

3.

4.

5.

6.

7.

9.

8.

10.

11.

12.

13.

14.

15.

16.

18.

17.

20.

19.

THE INTENT OF THE DRAWINGS AND SPECIFICATIONS IS TO INSTALL ALL NEW CONDUIT, WIRING, ANDRECEPTACLES. THE CONTRACTOR SHALL COORDINATE WITH EXISTING BUILDING CONSTRUCTION TOPROVIDE PATHWAYS AND RACEWAYS ACCORDINGLY. ALL AREAS WHERE WORK PERFORMED SHALL BEPROVIDED REPAIR, PATCHING, AND PAINTING TO MATCH EXISTING.

THE CONTRACTOR SHALL DISCONNECT, REMOVE, RELOCATE, AND RECONNECT AS NECESSARY ALLEXISTING CIRCUITS AND CONDUCTORS THROUGHOUT THE RENOVATED AREAS OF THE EXISTING BUILDINGTHAT INTERFERE WITH THE INSTALLATION OF THE NEW SYSTEM. MAINTAIN THE CONTINUITY OF ALLEXISTING SYSTEMS AND WIRING. ALL WORK RELATED TO MODIFICATIONS TO ANY EXISTING ELECTRICALSYSTEM SHALL BE COORDINATED WITH THE ENGINEER.

ALL ELECTRICAL WORK SHALL BE INSTALLED IN ACCORDANCE WITH THE LATEST NATIONAL ELECTRICALCODE, NFPA, AND ALL APPLICABLE FEDERAL, STATE, AND LOCAL CODES.ALL WIRE, CONDUIT, CONNECTORS, OUTLETS BOXES, ETC. NECESSARY TO ACHIEVE A COMPLETEELECTRICAL INSTALLATION WHERE AN ELECTRICAL DEVICE IS REQUIRED BY CODE BUT NOT SHOWN SHALLBE FURNISHED AND INSTALLED AS THOUGH FULLY SHOWN AND SPECIFIED.

NEW OPENINGS, CHASES IN WALLS, FLOORS AND PARTITIONS FOR CONDUIT, HANGERS, SUPPORTS ANDOTHER EQUIPMENT IN THE EXISTING BUILDING SHALL BE PROVIDED AS REQUIRED FOR THE NEW ANDREMODELED INSTALLATION, NEW OPENINGS IN EXISTING CONSTRUCTION AND THE REPAIR OF SUCHOPENINGS FOR THE ENTRANCE OF NEW EQUIPMENT INTO THE BUILDING OR FOR THE REMOVAL OFEXISTING EQUIPMENT IN THE EXISTING BUILDING SHALL BE PROVIDED BY THE CONTRACTOR.

NO CUTTING OF BUILDING CONSTRUCTION SHALL BE DONE WHICH MAY IN ANYWAY AFFECT THE BUILDINGSTRUCTURALLY OR ARCHITECTURALLY WITHOUT FIRST SECURING THE OWNERS CONSENT AND APPROVAL.

NO CONDUITS SHALL BE RUN THROUGH OR SUPPORTED FROM DUCTWORK.

ANY EXISTING WIRING WHICH IS ALTERED IN THE EXISTING BUILDING DUE TO THE WORK UNDER THISCONTRACT SHALL BE MADE ELECTRICALLY CONTINUOUS.

ALL EXISTING AREAS WHICH ARE DAMAGED BECAUSE OF THE ELECTRICAL WORK UNDER THIS CONTRACTSHALL BE REPAIRED AND/OR REFINISHED. THE CONTRACTOR WILL BE RESPONSIBLE FOR ALL CUTTING,PATCHING, PAINTING AND REMOVING/REPLACING CEILING TILES DAMAGED OR SOILED AS IS NECESSARYFOR HIS WORK.

THE DEMOLITION SHALL INCLUDE THOSE ELECTRICAL ITEMS THAT INTERFERE WITH THE NEWCONSTRUCTION. THE OWNER WILL HAVE FIRST OPTION AT RETAINING TITLE TO EXISTING MATERIALS,FIXTURES AND OTHER ITEMS.

AFTER CONSTRUCTION OF NEW RENOVATED AREAS IS COMPLETED, THE CONTRACTOR SHALL PROVIDEAS-BUILTS TO THE ENGINEER FOR REVIEW.

ALL ELECTRICAL WORK, WIRING, CONNECTIONS AND ASSOCIATED EQUIPMENT WITHIN THE AREA OF WORKSHALL BE AS PER APPLICABLE ARTICLES OF THE NATIONAL ELECTRICAL CODE AND NFPA 72.

THE CONTRACTOR SHALL PATCH AND FINISH ALL UNUSED OPENINGS AND DISTURBED SURFACES INEXISTING BUILDING CONSTRUCTION RESULTING FROM THE REMOVAL OF EQUIPMENT UNDER THISCONTRACT. ALL PATCHING AND FINISHING WORK SHALL BE APPROVED BY THE ENGINEER.

THE ENTIRE INSTALLATION MUST BE GROUNDED IN COMPLIANCE WITH THE NATIONAL ELECTRICAL CODE,AND ALL NATIONAL, STATE, AND LOCAL CODES.

FURNISH, INSTALL, & PERFORM ANY & ALL NECESSARY WORK AND EQUIPMENT ON A TEMPORARY BASIS TOASSURE UNINTERRUPTED SERVICE TO THE ELECTRICAL, FIRE ALARM, TELEPHONE AND SIGNAL/DATASYSTEMS. ALL OUTAGES MUST BE SCHEDULED WITH THE OWNER PRIOR TO ANY INTERRUPTIONS OF THESESYSTEMS.

NEW WIRING INDICATED SHALL BE 2#12 & 1#12 GROUND IN 3/4" CONDUIT, UNLESS NOTED OTHERWISE, FORSINGLE PHASE CIRCUITS AND 3 #12 & 1 #12 GROUND IN 3/4"C, UNLESS NOTED OTHERWISE, FOR THREEPHASE CIRCUITS. FOR CIRCUITS THAT REQUIRE LONG TRAVEL DISTANCES, REFER TO VOLTAGE DROPNOTE BELOW.

ALL NEW CONDUITS INSTALLED UNDER THIS PROJECT MUST BE INSTALLED AS HIGH AS POSSIBLE ON THEUNDERSIDE OF THE EXISTING FLOOR CONSTRUCTION AND INSTALLED AROUND EXISTING BEAMS.

THE CONTRACTOR SHALL FIRESTOP ALL EXISTING CONCEALED AND ACCESSIBLE CONDUITS WITHIN THELIMITS OF THE CONTRACT WORK AREA. THE CONTRACTOR SHALL FIRESTOP ALL NEW AND EXISTINGCONDUITS AS PART OF THE REMODELING AND EXISTING SYSTEMS TO REMAIN.

FURNISHED BY OTHERSFBO

EM OREMER

MULTI-MODEMM

SM SINGLE-MODE

BELOW FINISHED CEILINGBFC

FOR WORK THAT SHALL BE DONE OUTSIDE THE CONTRACT AREAS, THE CONTRACTOR SHALL PREPARE ANALTERNATE BID PRICING FORM TO INCLUDE ALL WORK THAT WILL BE NECESSARY OUTSIDE THE CONTRACTAREAS. CONTRACTOR SHALL HAND BID FORM OVER TO OWNER.

MOUNTMT

THE EXISTING FIRE ALARM SYSTEM SHALL REMAIN OPERATIONAL THROUGHOUT THE ENTIRECONSTRUCTION PROCESS THIS INCLUDES ANY AND ALL TEMPORARY SUPPORTS NEEDED FOR DEVICES,EXTENSIONS OF EXISTING CIRCUITS, ETC. TO REMAIN OPERATIONAL. ONLY THE DEVICES SHOWN ASDEMOLISHED ON THE ELECTRICAL DEMOLITION DRAWINGS SHALL BE DISCONNECT AND REMOVED,CONTRACTOR SHALL ENSURE CONTINUITY OF FIRE ALARM CIRCUIT ONCE SAID DEVICE IS REMOVED.

GENERAL NOTES:

ABBREVIATIONS:

EQUIPMENT SYMBOLS SHOWN DASHED ON THE DRAWINGS INDICATE EXISTING EQUIPMENT.

OF EQUIPMENT FOR USE BY THE PHYSICALLY HANDICAPPED. CONSULT WITH THE AUTHORITY HAVING JURISDICTION BEFORE EQUIPMENT INSTALLATION AND INSTALL ACCORDINGLY.CERTAIN MOUNTING HEIGHTS INDICATED ON THIS DRAWING ARE TO BE USED AS A GUIDE ONLY AND MAY HAVE TO BE CHANGED TO COMPLY WITH REGULATIONS GOVERNING MOUNTING HEIGHTS

THIS SCHEDULE IS A STANDARD SCHEDULE. CERTAIN SYMBOLS & ABBREVIATIONS INDICATED ON THIS SCHEDULE MAY NOT APPEAR ON THE DRAWINGS.2. 3.

1.

SYMBOL & ABBREVIATION SCHEDULE

NOTES:

THE FOLLOWING LIST APPLIES TO ALL BRANCH WIRING PROVIDED UNDER THISCONTRACT. LISTS INDICATE THE GAUGE OF CONDUCTORS NECESSARY FORBRANCH CIRCUITS ONE WAY FROM PANEL TO LAST OUTLET OR LIGHTING FIXTUREON THE CIRCUIT:

120/208V CIRCUITS WIRE SIZE 277V CIRCUITS· 0 - 100 FEET No. 12 AWG 0 - 150 FEET· 101 - 250 FEET No. 10 AWG 151 - 350 FEET· 250 - 400 FEET No. 8 AWG 351 - 500 FEET

VOLTAGE DROP NOTE:

7.

5.

6.

4.

3.

1.

2.

11.

10.

9.

8.

DEMOLITION GENERAL NOTES:

12..

13. WHERE DEMOLITION OF EXISTING CONSTRUCTION AND/OR EQUIPMENTOCCURS, PATCH AND REPAIR FLOOR, WALL AND CEILING CONSTRUCTIONAND/OR FINISHES TO MATCH ADJACENT CONSTRUCTION AND/ORFINISHES.

ALL CUTTING, DEMOLITION AND PATCHING OF EXISTING AND/OR NEWCONSTRUCTION OR EQUIPMENT IS TO BE PERFORMED BY THECONTRACTOR WHO IS TO SUPPLY AND INSTALL THE NEW CONSTRUCTIONAND/OR EQUIPMENT.

IF DURING THE COURSE OF DEMOLITION, EXISTING UTILITIES AREENCOUNTERED, WORK IN THAT AREA IS TO BE HALTED UNTIL THESTATUS OF THE UTILITIES HAS BEEN ASCERTAINED BY THEENGINEER AND AUTHORITY TO PROCEED GIVEN BY THEENGINEER.

THE CONTRACTOR SHALL BE RESPONSIBLE FOR PATCHING ANDPAINTING ALL REMAINING OPENINGS IN THE INTERIOR WALLS,FLOORS, AND CEILING AND EXTERIOR WALLS AND ROOF.

THE CONTRACTOR SHALL SCHEDULE HIS WORK WITH THE CONSTRUCTIONMANAGER IN ORDER TO HAVE THE JOB REPRESENTATIVE DISCONNECTAND RECONNECT ALL CIRCUITS ASSOCIATED WITH THE FIRE ALARMSYSTEM. THE CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANYCONFLICTS WITH A LIFE SAFETY SYSTEM ON ELEMENTS THAT AREINDICATED TO BE REMOVED.

ALL EXISTING EXTERIOR WALLS AND SURFACES (EXCLUSIVE OFFURRED AREAS), SHAFT WALLS, WALLS ADJACENT TO A DEMOLITIONAREA TO REMAIN, SHALL BE PROTECTED FROM DAMAGE ANDUNDISTURBED.

WHERE IT BECOMES NECESSARY TO TEMPORARILY DISTURB SYSTEMS TOPERMIT EXECUTION OF THE DEMOLITION PROCESS, IT SHALL BE THERESPONSIBILITY OF THE CONTRACTOR TO CONTACT THE OWNER, TOSCHEDULE A SHUTDOWN. THE CONTRACTOR SHALL GIVE A MINIMUM OF24-HOUR ADVANCE NOTICE FOR ANY SUCH GIVEN SHUTDOWN. IF THESHUTDOWN INCLUDES MAJOR SYSTEMS, SUCH AS FIRE ALARM, ELECTRICSERVICE, ETC., TWO-WEEK NOTICE SHALL BE REQUIRED.

ALL REMOVED MATERIAL, UNLESS DESIGNATED FOR SALVAGE, SHALL BEIMMEDIATELY REMOVED FROM THE SITE AND DISPOSED OF INACCORDANCE WITH ALL FEDERAL, STATE, AND LOCAL CODES ANDREGULATIONS. SALVAGED ITEMS SHALL BE STORED ON SITE IN ALOCATION DESIGNATED BY THE JOB REPRESENTATIVE.

THE DRAWINGS INDICATE THE GENERAL LAYOUT AND DO NOTNECESSARILY REPRESENT A COMPLETE FIELD VERIFIED LAYOUT. THEMAJORITY OF ELECTRICAL ITEMS ARE SHOWN ON THE DRAWINGS.CERTAIN ITEMS ARE SHOWN AND INDICATED TO REMAIN OR BEREMOVED. GENERALLY, ALL ELECTRICAL DEMOLITION IS DESCRIBEDBY THE NOTES. THE CONTRACTOR SHALL VERIFY ALL EXISTINGCONDITIONS WITHIN THE DEMOLITION AREAS. REPORT ANYDISCREPANCIES FOUND TO THE ENGINEER FOR CLARIFICATIONBEFORE PROCEEDING.

THESE DRAWINGS, BY THEIR NATURE, CANNOT REVEAL ALLCONDITIONS THAT EXIST ON THE SITE. SHOULD CONDITIONS BE FOUNDTO VARY SUBSTANTIALLY FROM THIS REPORT, CHANGES IN THE WORKWILL BE MADE WITH RESULTING CREDITS OR EXPENDITURES TO THECONTRACT SUM ACCRUING TO THE OWNER.

ALL WORK PERFORMED AND IN CONNECTION WITH THESE DRAWINGS ANDSPECIFICATIONS SHALL BE IN STRICT COMPLIANCE WITH THE LATESTOSHA SAFETY AND HEALTH STANDARDS MLS ELEC. SAFETY HANDBOOK#GS-11294.

ALL WORK PERFORMED ON THIS BUILDING SHALL BE IN COMPLIANCEWITH ALL PERTINENT CODES, RULES, ORDINANCES AND REGULATIONSOF THE LOCAL AND STATE GOVERNING AUTHORITIES, AND SEPARATE"SITE SAFETY MANUAL".

DO NOT SCALE DRAWINGS.

SYMBOLS:

FIRE ALARM SYSTEM DUCT DETECTOR BY EC,INSTALLED BY HC, ALARM WIRING BY EC,INTERLOCK WIRING TO HVAC EQUIPMENT BY HC

NON-FUSED DISCONNECT SWITCH

FINAL CONNECTION BY EC TO EQUIPMENT

DUPLEX RECEPTACLE

DUPLEX WEATHERPROOF RECEPTACLE

DUPLEX GROUND FAULT INTERRUPTER TYPE RECEPTACLE

F DD

WP

GFI

INDICATES NOTES ELSEWHERE

BRANCH CIRCUIT

SWITCHED CIRCUIT

HOMERUN TO PANEL BOARD - 3 #12-3/4"C UNO

CROSS HATCHING INDICATES EQUIPMENT AND/ORWIRING TO BE RENDERED DEAD AND REMOVED BY EC.

NON-DRAWOUT TYPE CIRCUIT BREAKER(600V OR LOWER)

DISCONNECT SWITCH

1

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Seal:

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B

C

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1 2 3 4 5

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Project No.:

Date:

CCopyright:

COMPANYLENZH.F.


Engineering


SYMBOLS,ABBREVIATIONS, AND

GENERAL NOTES -ELECTRICAL

WSP

0

E001

RGM

AutoCAD SHX Text

C

AutoCAD SHX Text

ISSUED FOR BID

12

WP3

1 DISCONNECT AND REMOVE EXISTING 200A-3P-NF DISCONNECT SWITCH.EXISTING CONDUIT SHALL REMAIN. DISCONNECT AND REMOVE EXISTINGCONDUCTORS, COMPLETE, BACK TO EXISTING 175A-3P ENCLOSED CIRCUITBREAKER LOCATED IN ELECTRICAL ROOM ON FLOOR BELOW. DISCONNECTAND REMOVE EXISTING CONDUCTORS, COMPLETE, BETWEEN EXISTINGENCLOSED CIRCUIT BREAKER AND ADJACENT PANEL MDP #2 FEEDINGENCLOSED CIRCUIT BREAKER. DISCONNECT AND REMOVE EXISTING 175A-3PCIRCUIT BREAKER.

2 DISCONNECT AND REMOVE EXISTING 200A-3P-NF DISCONNECT SWITCH.EXISTING CONDUIT SHALL REMAIN. DISCONNECT AND REMOVE EXISTINGCONDUCTORS, COMPLETE, BACK TO EXISTING WESTINGHOUSE MAINDISTRIBUTION SWITCHBOARD LOCATED IN MECHANICAL ROOM.DISCONNECT AND REMOVE EXISTING 175A-3P CIRCUIT BREAKER INEXISTING SWITCHBOARD.

3DISCONNECT AND REMOVE EXISTING WEATHER PROOF RECEPTACLE.COORDINATE WITH NEW WORK DRAWINGS AND EXTEND CONDUIT ANDWIRING TO NEW LOCATION SHOWN.

EXISTING PANEL MDP #2LOCATED IN ELEC ROOM

EXISTINGBUS TAP

EXISTING 175A-3PENCLOSED CIRCUITBREAKER

EXISTING 200A-3P-NFDISCONNECT SWITCH

EXISTINGRTU

1

1

EXISTING WESTINGHOUSEMAIN SWITCHBOARDLOCATED IN MECH ROOM

EXISTING 200A-3P-NFDISCONNECT SWITCH

EXISTINGRTU

2

2

2

175A3P

Drawn By:

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6


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Seal:

Seal:

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Sheet of1 2 3 4 5 6

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B

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D

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B

C

D

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1 2 3 4 5

Checked By:

Cadd Drawing File:

Project No.:

Date:

CCopyright:

COMPANYLENZH.F.


Engineering


KEY PLAN

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N

AREA OF WORK


PARTIAL ROOF PLAN -DEMOLITION -ELECTRICAL

WSP

0

E101

4' 8' 16'

SCALE: 1/8" = 1'-0"

01PARTIAL ROOF PLAN - DEMOLITION - ELECTRICALScale: 1/8" = 1'-0"

2PARTIAL ONE-LINE DIAGRAM No. 1 - DEMOLITIONNo Scale

3PARTIAL ONE-LINE DIAGRAM No. 2 - DEMOLITIONNo Scale

RGM

AutoCAD SHX Text

ISSUED FOR BID

12

3

44

44

5 5

CUH-1 CUH-2

WPGFI

6

30A-2P-SN-NFNEMA 3R

(2) #8 & (1) 10 GNDIN 34" CONDUIT

F DDFDD

F DDFDD

6

30A-2P-SN-NFNEMA 3R

(2) #8 & (1) 10 GNDIN 34" CONDUIT

1FURNISH AND INSTALL NEW 60A-3P-NF NEMA 3R DISCONNECT FOR NEWROOF TOP UNIT. FURNISH AND INSTALL NEW 60A-3P ENCLOSED CIRCUITBREAKER AT LOCATION OF DEMOLISHED ENCLOSED BREAKER. FURNISHAND INSTALL (3)#4 AND (1)#10 GND IN EXISTING 2" CONDUIT FROM NEWDISCONNECT TO NEW 60A-3P ENCLOSED BREAKER AND CONNECT ASREQUIRED. EXTEND (3)#4 AND (1)#10 GND FROM 60A-3P ENCLOSEDBREAKER TO BUS TAP IN EXISTING PANEL MDP #2 AND CONNECT ASREQUIRED. EXISTING CONDUIT SHALL BE REUSED TO THE EXTENTPOSSIBLE. AIC RATING OF NEW ENCLOSED BREAKER SHALL BE SAME ASEXISTING ENCLOSED CIRCUIT BREAKER THAT WAS DEMOLISHED. CONTRACTOR SHALL ALLOCATE 75 FEET OF WIRE LENGTH FROM RTU TOSOURCE OF POWER.

2FURNISH AND INSTALL NEW 60A-3P-NF NEMA 3R DISCONNECT FOR NEWROOF TOP UNIT. FURNISH AND INSTALL NEW 60A-3P CIRCUIT BREAKER INEXISTING WESTINGHOUSE MAIN SWITCHBOARD. FURNISH AND INSTALL(3)#4 AND (1)#10 GND IN EXISTING 2" CONDUIT FROM DISCONNECT TO NEW60A-3P CIRCUIT BREAKER IN EXISTING WESTINGHOUSE MAINSWITCHBOARD AND CONNECT AS REQUIRED. EXISTING CONDUIT SHALLBE REUSED TO THE EXTENT POSSIBLE. AIC RATING OF NEW 60A-3PBREAKER SHALL BE SAME AS EXISTING BREAKERS IN SWITCHBOARD. CONTRACTOR SHALL ALLOCATE 200 FEET OF WIRE LENGTH FROM RTU TOSOURCE OF POWER.

3FURNISH AND INSTALL NEW WEATHER PROOF, GFCI RECEPTACLE. EXTENDEXISTING CONDUIT AND WIRE FROM ROOF PENETRATION TO DUPLEXRECEPTACLE LOCATION AS SHOWN FOR A COMPLETE, OPERATIONAL,CODE COMPLIANT SYSTEM.

4 FURNISH AND INSTALL DUCT MOUNTED SMOKE DETECTOR, ASSOCIATEDCONDUIT AND CONDUCTORS AND CONNECT TO EXISTING FIRE ALARMSYSTEM. COORDINATE SMOKE DETECTOR COMPATIBILITY WITH EXISTINGBUILDING FIRE ALARM SYSTEM.

5 NEW ROOF TOP UNITS ARE CONTROLLED BY A PANEL LOCATED IN THEMAIN MECHANICAL ROOM. CONTROL PANEL SHALL BE POWERED BYNEAREST AVAILABLE SPARE CIRCUIT ON A 120V POWER SUPPLY PANEL.CONTROL PANEL SHALL ALSO BE CONNECTED TO THE FACILITY'S BUILDINGAUTOMATION SYSTEM. COORDINATE CONNECTION REQUIREMENTS WITHOWNER, MECHANICAL CONTRACTOR, AND CONTROL PANEL SUPPLIER.

6FURNISH AND INSTALL CONNECTION FOR CABINET UNIT HEATER LOCATEDINSIDE ROOF TOP UNIT. CABINET UNIT HEATER SHALL BE POWERED FROMNORMAL/EMERGENCY PANEL LOCATED NEAR LOADING DOCK ON FIRSTFLOOR. PANEL L-NE SHALL PROVIDE POWER TO THE CABINET UNITHEATERS; CIRCUIT 5 FOR CUH-1 AND CIRCUIT 7 FOR CUH-2. CONTRACTORSHALL ALLOCATE 250 FT OF CONDUIT AND WIRE FOR EACH CABINET UNITHEATER.

EXISTING PANEL MDP #2LOCATED IN ELEC ROOM

TAP EXISTINGBUS

NEW 60A-3PENCLOSED CIRCUITBREAKER

NEW 60A-3P-NF, NEMA 3R,DISCONNECT SWITCH

NEWRTU

3) #4 & (1) #10 GND

3) #4 & (1) #10 GND

3) #4 & (1) #10 GND

MAX

LEN

GTH

10'

-0"

CO

ND

UC

TOR

1

1

EXISTING WESTINGHOUSEMAIN SWITCHBOARDLOCATED IN MECH ROOM

NEWRTU

2

NEW 60A-3P-NF, NEMA 3R,DISCONNECT SWITCH

2

3) #4 & (1) #10 GND

3) #4 & (1) #10 GND

60A3P

AIR FLOW

FIRE ALARM SYSTEM DUCT DETECTORFURNISHED AND WIRED BY EC,INSTALLED BY HC

SIX (6) DUCT WIDTHS (MINIMUM)

AIR FLOW

INLET TUBE. FACE INLET TUBE HOLE INTOAIR FLOW. PROVIDE TUBE SUPPORT FORDUCT WORK GREATER THAN 3'-0" INWIDTH

BEND OR OTHER OBSTRUCTIONDUCT WORK BY HC

EXHAUST TUBE

SIX (6) DUCT WIDTHS (MINIMUM)

FIRE ALARM SYSTEM DUCT DETECTORFURNISHED AND WIRED BY EC,INSTALLED BY HC

INLET TUBE. FACE INLET TUBE HOLE INTOAIR FLOW. PROVIDE TUBE SUPPORT FORDUCT WORK GREATER THAN 3'-0" INWIDTHEXHAUST TUBE

DUCT WORK BY HC

IAM INDIVIDUAL ADDRESSABLE MODULE

FIRE ALARM SYSTEM DUCT DETECTORFDD

WIRING BY HCWIRING BY EC

1

2

DUCT DETECTOR FURNISH BY EC,INSTALLED BY HC AND ALL WIRING BYEC UNLESS NOTED OTHERWISE.

EC SHALL COORDINATE EXTERNALRELAY VOLTAGES AND RATINGS WITHHC OR ATC CONTRACTOR.

CONTROLPOWER

ANDWIRINGBY HC

EXISTINGFIRE

ALARMCONTROL

PANEL

2

1

EXTERNALRELAY

C

24V

RTU'SVFDCONTROLLER

C

DUCT DETECTORSAMPLE TUBE

AIR FLOWDUCTWORK

480V

AHU

IDNET

24V DC DDF

NOTES:

LEGEND:


KEY PLAN

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Sheet of1 2 3 4 5 6

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B

C

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Cadd Drawing File:

Project No.:

Date:

CCopyright:

COMPANYLENZH.F.


Engineering

N

AREA OF WORK


PARTIAL ROOF PLAN -NEW WORK -ELECTRICAL

WSP

0

E201

4' 8' 16'

SCALE: 1/8" = 1'-0"

01PARTIAL ROOF PLAN - NEW WORK - ELECTRICALScale: 1/8" = 1'-0"

2PARTIAL ONE-LINE DIAGRAM No. 1 - NEW WORKNo Scale

3PARTIAL ONE-LINE DIAGRAM No. 2 - NEW WORKNo Scale

4FIRE ALARM SYSTEM DUCT DETECTOR INSTALLATION DETAILNo Scale

5RTU DUCT DETECTOR WIRING DIAGRAMNo Scale

RGM

AutoCAD SHX Text

ISSUED FOR BID

E L E C T R I C A L S P E C I F I C A T I O N S

GENERAL:

THE CONTRACTOR SHALL FURNISH ALL LABOR, MATERIALS, TOOLS AND ALL OTHER EQUIPMENTREQUIRED TO INSTALL ALL THE WORK SHOWN AND SPECIFIED. IT IS NOT THE INTENT OF THESEDRAWINGS TO SHOW EVERY MINOR DETAIL OF CONSTRUCTION THAT IS REQUIRED. THECONTRACTOR SHALL FURNISH AND INSTALL ALL ITEMS NECESSARY FOR A COMPLETE ELECTRICALSYSTEM INSTALLATION AND AS MAY BE REQUIRED TO PLACE ALL EQUIPMENT IN PROPER WORKINGORDER. THE DRAWINGS AND SPECIFICATIONS INDICATE THE INTENT OF THE DESIGN AND ONE TOBE CONSIDERED AS DIAGRAMMATIC ONLY. ALL MATERIALS SHALL BE NEW AND SHALL BE ULAPPROVED WHERE APPLICABLE. CONTRACTOR SHALL VISIT THE SITE PRIOR TO BIDDING ANDDETERMINE THE COMPLETE SCOPE OF THE WORK TO BE INCLUDED IN HIS BID. ALL WORK SHALL BEOF FIRST CLASS WORKMANSHIP AND SHALL CONFORM WITH ALL APPLICABLE FEDERAL, STATE ANDLOCAL REGULATIONS AND/OR CODES.

DO NOT SCALE THE DRAWING. REFER TO ACTUAL CONDITIONS AT THE SITE FOR DETAILS ANDEXACT LOCATIONS OF EQUIPMENT.

ELECTRICAL SYSTEM SHALL BE COMPLETELY AND EFFECTIVELY GROUNDED PER THE LATESTEDITION OF THE EDITION OF THE N.E.C.

EQUIPMENT WITH DAMAGED OR SCRATCHED PAINT SURFACES SHALL BE TOUCHED UP WITHFACTORY MATCHING PAINT OR COMPLETELY REPAINTED.

WORK SHALL BE CONTINUOUS ON A DAY-TO-DAY BASIS UNTIL PROJECT IS COMPLETED TO MINIMIZE THE DISRUPTIONS.

ALL DEFECTIVE WORK OR DAMAGED EQUIPMENT SHALL BE REPLACED AT NO ADDITIONAL COST.CONTRACTOR SHALL GUARANTEE ALL MATERIALS AND WORKMANSHIP FREE FROM DEFECTS FOR APERIOD OF NOT LESS THAN ONE (1) YEAR FROM DATE OF ACCEPTANCE.

ALL ELECTRICAL WORK SHALL BE INSTALLED IN A SUITABLE MANNER AND LOCATION REQUIREDFOR SERVICING OF ALL EQUIPMENT.

THIS CONTRACTOR SHALL MAKE FINAL CONNECTIONS TO ALL ELECTRICALLY OPERATEDEQUIPMENT TO BE INSTALLED AS PART OF THIS PROJECT.

TESTING AND ADJUSTING:

AT THE COMPLETION OF WORK AND BEFORE FINAL ACCEPTANCE, THE CONTRACTOR SHALL PLACETHE NEW INSTALLATION IN PROPER OPERATION, ADJUST EQUIPMENT AND MAKE NECESSARYCORRECTIONS. FAULTY EQUIPMENT OR POOR WORKMANSHIP SHALL BE REPAIRED OR REPLACED.THE SYSTEM SHALL BE COMPLETE, SHALL OPERATE PROPERLY AND SHALL BE FREE OF DEFECTS.

CONTINUITY OF SERVICES:

IF IT BECOMES NECESSARY TO TEMPORARILY INTERRUPT ELECTRICAL SERVICE TO ANY PORTIONOF THE BUILDING, THE CONTRACTOR SHALL SUBMIT A REQUEST FOR A TEMPORARY INTERRUPTIONTO THE OWNER FOURTEEN (14) DAYS IN ADVANCE OF THE REQUESTED INTERRUPTION. ALL LIFESAFETY SYSTEM SHALL BE MAINTAINED FUNCTIONAL THROUGHOUT THE CONSTRUCTION PERIOD.

PAINTING:

PAINT SUPPORTS AND IRON AND STEEL WORK INSTALLED UNDER THIS PROJECT. PAINT WITH TWOCOATS OF RUST-OLEUM RUST PREVENTATIVE PAINT. FIRST COAT SHALL BE X-60 RED PRIMER ANDSECOND COAT SHALL BE SATIN ENAMEL IN COLORS AS SELECTED BY THE ENGINEER. ATLOCATIONS WHERE IT IS NECESSARY TO CUT AND PATCH EXISTING CONSTRUCTION, PAINTING ATEACH LOCATION SHALL BE PERFORMED UNDER THIS CONTRACT. NEW FINISHES SHALL MATCHEXISTING.

IDENTIFICATION:

EACH PIECE OF ELECTRICAL EQUIPMENT PROVIDED AS PART OF THIS PROJECT SHALL BEIDENTIFIED BY A MICARTA IDENTIFICATION TAG PERMANENTLY ATTACHED TO THE EQUIPMENT WITHSELF-THREADING STAINLESS STEEL SCREWS AND SHALL INDICATE BY NAME THE EQUIPMENT ANDTHE CIRCUIT THAT SERVES SUCH EQUIPMENT. LETTERING ON IDENTIFICATION TAGS SHALL BE AMINIMUM OF 1/4" IN HEIGHT.

RACEWAYS:

ALL WIRING SHALL BE INSTALLED WITHIN CONDUIT. WIRING WITHIN THE BUILDING SHALL BE INRIGID STEEL OR ELECTRIC METALLIC TUBING IN ACCORDANCE WITH THE LATEST EDITION OF THENATIONAL ELECTRICAL CODE REQUIREMENTS, EXCEPT AS SPECIFIED OTHERWISE. ALL EXTERIORCONDUITS SHALL BE RIGID GALVANIZED STEEL. CONDUIT RUNS INDICATED ARE DIAGRAMMATIC.CONDUITS SHALL BE INSTALLED PERPENDICULAR AND/OR PARALLEL TO WALLS IN A NEAT ANDWORKMANLIKE MANNER. CONTRACTOR SHALL FURNISH AND INSTALL ALL FITTINGS, BOXES,HANGERS, AND STRUCTURAL SUPPORTING MEMBERS NECESSARY TO INSTALL THE COMPLETEWIRING SYSTEM. EMT SHALL BE ASSEMBLED WITH COMPRESSION TYPE FITTINGS EFCOR ORAPPROVED EQUAL. RIGID STEEL CONDUITS SHALL BE THREADED RIGID GALVANIZED STEEL. ALLCONDUITS AND TUBING SHALL BE SECURELY FASTENED IN PLACE WITH GALVANIZED MALLEABLEOR STAMPED STEEL CLAMPS, HANGER RINGS, INSERTS OR OTHER APPROVED SUPPORTS. ALLSUPPORTS SHALL BE SUBJECT TO THE APPROVAL OF THE ENGINEER. ALL CONDUITS SHALL BECONCEALED EXCEPT WHERE NOTED OTHERWISE. INSTALL FLEXIBLE CONDUIT AT ALL MOTORS ANDVIBRATING EQUIPMENT TO PREVENT TRANSMISSION OF NOISE AND VIBRATION. EXTERIORCONNECTIONS SHALL UTILIZE LIQUIDTIGHT FLEXIBLE METALLIC CONDUIT.

AS-BUILT DRAWINGS:

AS THE WORK PROGRESSES, THE CONTRACTOR SHALL RECORD, IN THE FORM OF MARK-UPS OFTHE CONTRACT DRAWINGS, ALL CHANGES AND DEVIATIONS FROM THE ORIGINAL DESIGN OF THECONTRACT DRAWINGS. IT IS MANDATORY THAT THE FIELD PERSONNEL ON THE JOBSITE RECORDALL CONSTRUCTION CHANGES, REVISIONS, AND MODIFICATIONS THAT ARE AVAILABLE TO THEMFOR THE LIFE OF THE PROJECT. MEASUREMENTS SHALL INCLUDE ELEVATIONS AND SUFFICIENTOFFSET MEASUREMENTS TO DEFINITELY LOCATE ALL CONDUIT AND OTHER EQUIPMENT INSTALLEDOR CONSTRUCTED UNDER THE CONTRACT. FOUR (4) SETS OF MARKED-UP DRAWINGS SHALL BEDELIVERED TO THE ARCHITECT BEFORE FINAL ACCEPTANCE AND APPROVAL.

SUBMISSION:

IN ADDITION TO THE REQUIREMENTS OF DIVISION 1, THE CONTRACTOR SHALL PROVIDE PRODUCTDATA AND SHOP DRAWINGS FOR ALL MATERIALS PROPOSED FOR INSTALLATION UNDER THISCONTRACT. THE PRODUCT DATA AND SHOP DRAWINGS SHALL BE SUBMITTED TO THE ENGINEERFOR APPROVAL BEFORE SUCH EQUIPMENT IS DELIVERED TO THE SITE. THE CONTRACTOR SHALLSUBMIT SAMPLES AS MAY BE REQUIRED BY THE ENGINEER OF ANY ARTICLE OR MATERIALS TO BEUSED UNDER THIS CONTRACT, WHICH SAMPLES, IF APPROVED, MAY BE USED ON THE WORK AFTERSERVING THEIR PURPOSE AS SAMPLES. IDENTIFY SUBMITTALS WITH THE FOLLOWING INFORMATIONPERMANENTLY ADHERED TO OR NOTED ON EACH SEPARATE COMPONENT OF EACH SUBMITTALAND ALSO NOTED ON THE TRANSMITTAL FORM. MARK EACH COPY OF EACH SUBMITTALIDENTICALLY, WITH THE FOLLOWING:

1. PROJECT TITLE AND LOCATION.2. THE DRAWING NUMBER OR NUMBERS OF THE DRAWING OR DRAWINGS BY WHICH THE PROPOSED EQUIPMENT IS INDICATED.3. THE NAME, ADDRESS AND TELEPHONE NUMBER OF THE SUPPLIER AND THE ASSOCIATED MANUFACTURER.4. SUBMITTALS PRESENTED ON SHEETS 8-1/2" BY 14" OR LESS SHALL BE PRESENTED AS PART OF A BOUND VOLUME.

FLEXIBLE CONDUIT:

SHORT LENGTHS OF GALVANIZED FLEXIBLE CONDUIT (MAXIMUM OF 18" IN LENGTH) SHALL BE USEDAT CONNECTIONS TO MOTOR OPERATED EQUIPMENT. FLEXIBLE CONDUIT TO EQUIPMENT IN WETLOCATIONS SHALL BE PVC PLASTIC COVERED AND THE INSTALLATIONS SHALL BE MOISTURETIGHTAND SUITABLE FOR WET LOCATIONS.

PULL AND OUTLET BOXES:

FURNISH AND INSTALL METAL PULL BOXES AND OUTLET BOXES WHERE SHOWN AND AS MAY BEREQUIRED TO FACILITATE THE PULLING OF WIRES. BOXES SHALL BE OF GALVANIZED SHEETSTEEL OF SUCH DESIGN, CONSTRUCTION AND DIMENSIONS SO AS TO COMPLY WITH THE NEC ANDTO BEST ADAPT TO THE RESPECTIVE LOCATION, NUMBER, SIZE, AND ARRANGEMENT OF CONDUITCONNECTING THERETO, AND SHALL BE PROVIDED WITH SUITABLE COVERS, SECURELY FASTENEDTO BOX WITH MACHINE SCREWS. BOXES SHALL BE CONSTRUCTED IN COMPLIANCE WITH NEMAOS 1.

CONDUCTORS:

CONDUCTORS SHALL BE COPPER, TYPE THHN/THWN EXCEPT WHERE OTHER TYPES ARE REQUIREDBY THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE. MINIMUM WIRE GAUGE SHALL BE #12AWG EXCEPT WHERE NOTED OTHERWISE.

METAL-CLAD CABLE (TYPE MC) IS NOT PERMITTED.

PROVIDE COLOR CODING FOR FEEDER, BRANCH, CONTROL, AND SIGNALING CIRCUIT CONDUCTORS.COLOR SHALL BE GREEN FOR GROUNDING CONDUCTORS AND WHITE FOR NEUTRALS. COLOR OFUNGROUNDED CONDUCTORS IN DIFFERENT VOLTAGE SYSTEMS SHALL BE AS FOLLOWS:

120/208 VOLT, 3-PHASE 277/480 VOLT, 3-PHASE(1) PHASE A BLACK (1) PHASE A BROWN(2) PHASE B RED (2) PHASE B ORANGE(3) PHASE C BLUE (3) PHASE C YELLOW

EQUIPMENT GROUNDING CONDUCTOR SHALL BE GREEN.

CIRCUIT BREAKERS:

CIRCUIT BREAKERS SHALL BE STANDARD BOLT ON TYPE. INTERRUPTING RATING SHALL EXCEEDAVAILABLE RMS FAULT CURRENT AND SHALL BE OF THE SAME MANUFACTURER AS EXISTING PANEL.MULTI-POLE CIRCUIT BREAKERS SHALL HAVE COMMON TRIP ELEMENTS.

NEW CIRCUIT BREAKERS TO BE INSTALLED WITHIN EXISTING PANELBOARDS AND SWITCHBOARDSSHALL BE SUITABLE FOR INSTALLATION WITHIN THE EXISTING PANELBOARD AND SWITCHBOARDAND SHALL BE UL LISTED FOR INSTALLATION WITHIN SUCH EQUIPMENT. INTERRUPTING RATINGSHALL EXCEED AVAILABLE RMS FAULT CURRENT. CIRCUIT BREAKERS SHALL BE NEW AND SHALL BEOF THE SAME MANUFACTURER AS EXISTING PANELBOARD AND SWITCHBOARD.

ENCLOSED CIRCUIT BREAKERS SHALL BE MOUNTED IN A NEMA 1 ENCLOSURE. BREAKER HANDLESHALL BE OPERABLE WITHOUT OPENING THE ENCLOSURE. BREAKER HANDLE SHALL BE CAPABLEOF BEING LOCKED IN THE OPEN POSITION. ENCLOSED BREAKER SHALL BE EATON ELECTRIC,SCHNEIDER ELECTRIC OR SIEMENS.

SPLICING:

ALL SPLICING SHALL BE DONE IN OUTLET BOXES, JUNCTION BOXES, ETC., AND NOT IN THE CONDUIT.SPLICES WHICH OCCUR IN WIRE NO. 6 AND LARGER (SUCH AS NO. 4, NO. 2, NO. 1, ETC.) SHALL BEMADE WITH SPLIT SLEEVE CONNECTORS AND THEN INSULATED. PRESSURE CONNECTORS SHALLBE USED AT MOTOR OPERATED EQUIPMENT AND OTHER VIBRATING EQUIPMENT. IN LIEU OF THEABOVE, SPLICES IN BRANCH WIRING NO. 12 TO NO. 8 MAY BE MADE WITH SOLDERLESSCONNECTORS. SOLDERLESS CONNECTORS SHALL BE IN ACCORDANCE WITH UL 486 A, B, D, THENEC AND AS FOLLOWS:

CONNECTORS: SOLDERLESS, SCREW-ON, REUSABLE PRESSURE CABLE TYPE, 600 VOLT, 105 DEGREES C. WITH INTEGRAL INSULATION, APPROVED FOR COPPER CONDUCTORS. SOLDERLESS

CONNECTORS SHALL BE AS MANUFACTURED BY IDEAL INDUSTRIES, 3M SCOTCHLOK OR BUCHANAN. ALL CONNECTORS SHALL BE SUBJECT TO THE APPROVAL OF THE ENGINEER.

TAPE NOS. 33 OR 88. NO. 88 WEATHERTIGHT TAPE SHALL BE USED FOR SPLICES AT THE EXTERIOROF THE BUILDING AND ALL WET AND DAMP LOCATIONS.

SCHEDULE OF WORK:

THE CONTRACTOR SHALL SUBMIT A SCHEDULE OF WORK, TO BE PERFORMED IN THE EXISTINGBUILDING AND AT THE SITE TO THE ENGINEER FOR APPROVAL AT THE BEGINNING OF THECONTRACT. THE SCHEDULE SHALL CLEARLY INDICATE THE PROPOSED ORDER IN WHICH THEVARIOUS PARTS OF THE WORK IN THE EXISTING BUILDING AND AT THE SITE WILL BE UNDERTAKEN,AND THE ESTIMATED TIME REQUIRED FOR THE COMPLETION OF EACH PARTICULAR PART OF THEWORK.

THE SCHEDULE OF WORK MAY BE REVISED PERIODICALLY DURING THE COURSE OFCONSTRUCTION, BUT EACH REVISED SCHEDULE MUST BE APPROVED BY THE ENGINEER.

SAFETY SWITCHES:

SAFETY SWITCHES SHALL BE OF THE NON-FUSIBLE TYPE AS INDICATED, QUICK-MAKE, QUICK-BREAKIN NEMA TYPE 1 SHEET STEEL ENCLOSURE. SWITCHES SHALL BE HORSEPOWER RATED AND OFSIZE AND NUMBER OF POLES AS INDICATED ON THE DRAWINGS. SAFETY SWITCHES SHALL BE OFTYPE HAVING A DIRECT MECHANICAL LINKAGE BETWEEN CONTACTS AND OPERATING HANDLE.SAFETY SWITCHES SHALL BE HEAVY DUTY AND SHALL BE EATON ELECTRIC, SCHNEIDER ELECTRIC,SIEMENS, OR EQUAL AS APPROVED BY THE ENGINEER. WHERE SWITCHES ARE LOCATED AT THEEXTERIOR OF THE BUILDING OR IN WET LOCATIONS, THEY SHALL BE PROVIDED WITH NEMA 3RWEATHERTIGHT ENCLOSURES.

FIRE ALARM SYSTEM:

PROVIDE ALL LABOR, EQUIPMENT, MATERIALS, AND PERFORMANCE OF ALL OPERATIONSASSOCIATED WITH THE INSTALLATION OF AN EXTENSION OF AND MODIFICATIONS TO THE EXISTINGFIRE ALARM SYSTEM AS SHOWN ON THE DRAWINGS. THE COMPLETE INSTALLATION SHALLCONFORM TO THE APPLICABLE SECTIONS OF NFPA-72, NFPA 71, LOCAL CODE REQUIREMENTS ANDTHE NATIONAL ELECTRICAL CODE WITH PARTICULAR ATTENTION TO ARTICLE 760. EACH NEWCOMPONENT, PERIPHERAL DEVICE AND ALL ITEMS OF THE FIRE ALARM SYSTEM SHALL BE LISTEDAS A PRODUCT OF A SINGLE FIRE ALARM SYSTEM MANUFACTURER UNDER THE APPROPRIATECATEGORY BY UNDERWRITERS' LABORATORIES, INC. (UL), AND SHALL BEAR THE "U.L." LABEL. ALLNEW PERIPHERAL DEVICES SHALL BE IDENTICAL AND EQUIVALENT TO THOSE INSTALLEDTHROUGHOUT THE EXISTING BUILDING. THE COMPLETED FIRE ALARM SYSTEM SHALL BE WIRED,CONNECTED, AND LEFT IN FIRST CLASS OPERATING CONDITION. ALL WIRING SHALL BE INSTALLEDWITHIN CONDUIT IN STRICT COMPLIANCE WITH ALL THE PROVISIONS OF NEC - ARTICLE 760 A AND C,POWER-LIMITED FIRE PROTECTIVE SIGNALING CIRCUITS OR IF REQUIRED MAY BE RECLASSIFIED ASNON-POWER LIMITED AND WIRED IN ACCORDANCE WITH NEC-ARTICLE 760 A AND B. UPONCOMPLETION, THE CONTRACTOR SHALL SO CERTIFY IN WRITING TO THE OWNER. THEMANUFACTURER'S AUTHORIZED REPRESENTATIVE SHALL PROVIDE ON-SITE SUPERVISION OFINSTALLATION. THE COMPLETED ADDITIONS TO THE FIRE ALARM SYSTEM SHALL BE FULLY TESTEDIN ACCORDANCE WITH NFPA-72H BY THE CONTRACTOR IN THE PRESENCE OF THE OWNER'SREPRESENTATIVE AND THE LOCAL FIRE MARSHAL. UPON COMPLETION OF A SUCCESSFUL TEST,THE CONTRACTOR SHALL SO CERTIFY IN WRITING TO THE OWNER.

RECEPTACLES

RECEPTACLES, STRAIGHT-BLADE AND LOCKING TYPE: COMPLY WITH UL STANDARD 498, ANSIC73.12 AND FED. SPEC. W-C-596F.

RECEPTACLES SHALL BE NEMA 5-20R, FLUSH WALL WITH GROUND BLADE, HUBBELL CATALOG NO.HBL 5352A, P&S CATALOG NO. PS5362, COOPER WIRING DEVICES CATALOG NO. 5352, OR LEVITONCATALOG NO. 5362.

RECEPTACLES INDICATED TO BE INSTALLED IN "WET" LOCATIONS, SHALL BE FURNISHED ANDINSTALLED WITHIN A CORROSION RESISTANT HEAVY METAL HINGED COVER. PROVIDE HUBBELLCATALOG NOS. HBL 5352A AND 5206 WO, PASS & SEYMOUR CATALOG NOS. PS5362 AND WIUC10SC,COOPER WIRING DEVICES CATALOG NOS. 5352 AND 989, OR LEVITON CATALOG NOS. 5352 AND 4970.COVER SHALL BE UL LISTED FOR "WHILE IN-USE".

GROUND-FAULT CIRCUIT INTERRUPTER (GFCI) RECEPTACLES: UL STANDARD 943, "GROUND FAULTCIRCUIT INTERRUPTERS," FEED-THROUGH TYPE, WITH INTEGRAL NEMA 5-20R DUPLEX RECEPTACLEARRANGED TO PROTECT CONNECTED DOWNSTREAM RECEPTACLES ON THE SAME CIRCUIT.DESIGN UNITS FOR INSTALLATION IN A 2-3/4-INCH DEEP OUTLET BOX WITHOUT AN ADAPTER.GROUND FAULT INTERRUPTER TYPE RECEPTACLES SHALL BE OF THE TERMINAL ORFEED-THROUGH TYPE AND SHALL BE P. & S. CATALOG NO. 2094, LEVITON CATALOG NO. 8899, ORCOOPER WIRING DEVICES CATALOG NO. XGF20. WHERE GFCI RECEPTACLES ARE INSTALLED AT THEIN WET LOCATIONS, PROVIDE WITH UL LISTED "WHILE IN-USE" COVER, A P. & S. CATALOG NO.WIUC10SC, LEVITON CATALOG NO. 4992 COVER, OR COOPER WIRING DEVICES CATALOG NO. 1966COVER.

WIRING DEVICE INSTALLATION

INSTALL DEVICES AND ASSEMBLIES PLUMB AND SECURE. EXCEPT AS OTHERWISE INDICATED,MOUNT FLUSH, WITH LONG DIMENSION VERTICAL, AND GROUNDING TERMINAL OF RECEPTACLESON TOP.

RECEPTACLES INDICATED TO BE LOCATED ON THE ROOF, SUCH OUTLETS SHALL BE HOUSED IN ACAST ALUMINUM WEATHERPROOF BOX WHICH SHALL BE CONDUIT MOUNTED 2'- 0" ABOVE THEFINISHED ROOF AND SHALL BE SUPPORTED IN ACCORDANCE WITH THE NATIONAL ELECTRICALCODE.

WIRING DEVICE IDENTIFICATION

RECEPTACLES: IDENTIFY THE PANELBOARD AND CIRCUIT NUMBER FROM WHICH SERVED. USEMACHINE-PRINTED, DURABLE WIRE MARKERS OR TAGS WITHIN OUTLET BOXES.

GROUNDING

THE ENTIRE INSTALLATION SHALL BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICALCODE. ALL FEEDERS AND BRANCH CIRCUITS SHALL BE PROVIDED WITH AN EQUIPMENTGROUNDING CONDUCTOR.

FIELD QUALITY CONTROL

TESTING: TEST WIRING DEVICES FOR PROPER POLARITY AND GROUND CONTINUITY. OPERATEEACH OPERABLE DEVICE AT LEAST 6 TIMES.

VERIFY PROPER ROTATION OF ALL MOTORIZED EQUIPMENT.

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Engineering


SPECIFICATIONS -ELECTRICAL

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E601

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bid 1091 - ccac west hills center, drawings

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