Jackson County Courthouse Cooling Tower Repla.pdf

AUGUST 30, 2024

Cooling Tower Replacement

JOHNSON, SPELLMAN & ASSOCIATES, INC

350 RESEARCH COURT, SUITE 130

PEACHTREE CORNERS, GA 30092

CONTACT - BRAD WAGES

PHONE - 678-336-5419

PROJECT MANAGER - KASON RHENEY

PHONE - 678-336-5431

PRIME CONSULTANT /

MECHANICAL ENGINEER

Jackson County Courthouse

FOR CONSTRUCTION DOCUMENTS

SITE LOCATION MAP

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VICINITY MAP

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JACKSON COUNTY

JEFFERSON, GA

PROJECT SITE

Jackson County Government

ELECTRICAL ENGINEER

BARNETT CONSULTING ENGINEERS

655 ENGINEERING DRIVE, SUITE 150

PEACHTREE CORNERS, GA 30092

CONTACT - LEAH BENINCASA

PHONE - 404-382-9554

at The Jackson County Courthouse 5000 Jackson Parkway Jefferson, GA 30549

SHEETS

JOB NUMBER

DRAWN BY

CHECKED BY

DATE

DRAWING NUMBER

Phone (770) 447-4555

350 Research Court, Suite 130 visit us at www.jsace.com

Peachtree Corners, Georgia 30092

Johnson, Spellman & Associates, Inc.

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COVER SHEET

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DRAWING INDEX

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SHEET NUMBER

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SHEET TITLE

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FOR CONSTRUCTION DOCUMENTS 8/30/2024

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GENERAL DRAWINGS

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COVER

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COVER SHEET, MAP

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MECHANICAL DRAWINGS

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HVAC GENERAL NOTES, LEGEND, SCHEDULES, DESIGN INTENT, & DETAILS

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HVAC PART PLANS - DEMOLITION & NEW WORK, ELEVATIONS

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AutoCAD SHX Text c 2024 Johnson, Spellman & Associates, Inc.

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24JS63

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KKR

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BSW

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OF SHEETS

JOB NUMBER

DRAWN BY

CHECKED BY

DATE

DRAWING NUMBER

Phone (770) 447-4555

350 Research Court, Suite 130 visit us at www.jsace.com

Peachtree Corners, Georgia 30092

Johnson, Spellman & Associates, Inc.

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HVAC GENERAL NOTES,

LEGEND, SCHEDULES,

DESIGN INTENT, & DETAILS

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DESIGN INTENT

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GENERAL NOTES

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1. EXISTING EQUIPMENT AND PIPING TO REMAIN, UNLESS NOTED TO BE REMOVED. EXISTING EQUIPMENT AND PIPING TO REMAIN, UNLESS NOTED TO BE REMOVED. 2. VERIFY LOCATIONS OF EXISTING PIPING AND EQUIPMENT PRIOR TO BEGINNING VERIFY LOCATIONS OF EXISTING PIPING AND EQUIPMENT PRIOR TO BEGINNING WORK. 3. REMOVE CONDENSER WATER PIPING TO EQUIPMENT AS NOTED ON DRAWINGS. REMOVE CONDENSER WATER PIPING TO EQUIPMENT AS NOTED ON DRAWINGS. 4. ALL EXISTING EQUIPMENT AND PIPING IS SHOWN DASHED, NEW EQUIPMENT AND ALL EXISTING EQUIPMENT AND PIPING IS SHOWN DASHED, NEW EQUIPMENT AND PIPING SHOWN SOLID. 5. ROUTE PIPING AS TIGHT TO STRUCTURE AS POSSIBLE, UNLESS OTHERWISE ROUTE PIPING AS TIGHT TO STRUCTURE AS POSSIBLE, UNLESS OTHERWISE NOTED. 6. PROTECT ALL MATERIALS AND EQUIPMENT FROM DAMAGE. PROTECT ALL MATERIALS AND EQUIPMENT FROM DAMAGE. 7. CONTRACTOR SHALL VERIFY EQUIPMENT & PIPING'S AREA OF SERVICE PRIOR TO CONTRACTOR SHALL VERIFY EQUIPMENT & PIPING'S AREA OF SERVICE PRIOR TO DEMOLISHING OR RELOCATING ANY PIECE OF EQUIPMENT. 8. CONTRACTOR SHALL MAKE ALL ACCOMMODATIONS REQUIRED TO LEAVE THE JOB CONTRACTOR SHALL MAKE ALL ACCOMMODATIONS REQUIRED TO LEAVE THE JOB SITE IMPACTED BY THE REPLACEMENT OF THE COOLING TOWER IN A MANNER SIMILAR TO PRE-CONSTRUCTION STATE.

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HVAC LEGEND & ABBREVIATIONS

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SYMBOL

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DESCRIPTION

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OR

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CONCENTRIC REDUCER

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PIPE UNION

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PIPE RISE

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PIPE DROP

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ISOLATION VALVE

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BUTTERFLY VALVE

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BALANCING VALVE

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TWO WAY MODULATING MOTORIZED CONTROL VALVE

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BALL VALVE

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PIPING OR EQUIPMENT TO BE REMOVED

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PIPE FLOW ARROW

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GRADE ARROW-INDICATES RISE OR DROP IN DUCT OR PIPE

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UP

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DN

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OR

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CONDENSER WATER RETURN

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CWR

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CONDENSER WATER SUPPLY

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CWS

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ECCENTRIC REDUCER FLAT SIDE ON BOTTOM OR FLAT SIDE ON TOP

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EXTENT OF DEMO

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EWT

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DESIGN BASIS

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COOLING TOWER SCHEDULE

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EVAPCO AT 29-221

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95%%DF

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MARK

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CT-1

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LWT

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85%%DF

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GPM

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78%%DF

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FAN HP

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REMARKS

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VOLTAGE

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NOMINAL TONNAGE

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NO. CELLS

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WET BULB

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(1) PROVIDE INVERTER DUTY MOTOR FOR USE WITH VARIABLE FREQUENCY DRIVE. PROVIDE INVERTER DUTY MOTOR FOR USE WITH VARIABLE FREQUENCY DRIVE. (2) EXISTING COOLING TOWER IS AN EVAPCO, MODEL AT 29-221, SERIAL NUMBER M035229. THE NEW COOLING TOWER EXISTING COOLING TOWER IS AN EVAPCO, MODEL AT 29-221, SERIAL NUMBER M035229. THE NEW COOLING TOWER IS TO BE FABRICATED TO BE A EXACT REPLACEMENT OF THE EXISTING TOWER, WITH ACCESSORY UPGRADES. SEE SPECIFICATIONS.

AutoCAD SHX Text A. APPLICABLE CODES AND STANDARDS APPLICABLE CODES AND STANDARDS 1. INTERNATIONAL BUILDING CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022), (2024) INTERNATIONAL BUILDING CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022), (2024) 2. INTERNATIONAL PLUMBING CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022), (2023), (2024) INTERNATIONAL PLUMBING CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022), (2023), (2024) 3. INTERNATIONAL MECHANICAL CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2024) INTERNATIONAL MECHANICAL CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2024) 4. INTERNATIONAL FUEL GAS CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022) INTERNATIONAL FUEL GAS CODE, 2018 EDITION, WITH GEORGIA AMENDMENTS (2020), (2022) 5. NATIONAL ELECTRICAL CODE, 2020 EDITION, WITH GEORGIA AMENDMENTS (2021) NATIONAL ELECTRICAL CODE, 2020 EDITION, WITH GEORGIA AMENDMENTS (2021) 6. INTERNATIONAL ENERGY CONSERVATION CODE, 2015 EDITION, WITH GEORGIA SUPPLEMENTS AND AMENDMENTS (2020), (2022), (2023) INTERNATIONAL ENERGY CONSERVATION CODE, 2015 EDITION, WITH GEORGIA SUPPLEMENTS AND AMENDMENTS (2020), (2022), (2023) 7. ALL CITY, COUNTY, STATE, REGIONAL, AND OTHER ORDINANCES APPLICABLE TO THE WORK SHALL APPLY. ALL CITY, COUNTY, STATE, REGIONAL, AND OTHER ORDINANCES APPLICABLE TO THE WORK SHALL APPLY. B. PROJECT DESIGN SCOPE PROJECT DESIGN SCOPE 1. The intent of the project is to demolish and replace the existing nominal 500 ton, two cell, counterflow The intent of the project is to demolish and replace the existing nominal 500 ton, two cell, counterflow Cooling Tower (CT-1). The new Cooling Tower shall be of equal capacity as the existing. The new Cooling CT-1). The new Cooling Tower shall be of equal capacity as the existing. The new Cooling ). The new Cooling Tower shall be of equal capacity as the existing. The new Cooling Tower is to be fabricated to be a direct replacement of the existing Cooling Tower with accessory upgrades. 2. Demolition work shall include the removal of the existing Cooling Tower and portions of the associated Demolition work shall include the removal of the existing Cooling Tower and portions of the associated above-ground condenser piping, and one of the two Variable Frequency Drive (VFDs) in the Basement Mechanical Room. 3. The electrical scope shall include the modification of the power supply for connection to the replacement The electrical scope shall include the modification of the power supply for connection to the replacement Cooling Tower, associated basin heaters, heat trace, and VFDs. 4. The BAS controls sequence of operations and points shall remain the same as currently programmed by The BAS controls sequence of operations and points shall remain the same as currently programmed by Convergint. Convergint shall provide the same sequence of operations and points for all new and existing equipment.

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CONNECT TO EXISTING

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BULB

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AS SPECIFIED

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HEAT TAPE WRAP

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CONDUIT

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CONDUIT BY ELECTRICAL

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JUNCTION BOX AND

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EXPOSED TO AMBIENT

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WATER PIPE

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INSULATION

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HEAT TAPE DETAIL

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COOLING TOWER PIPING DETAIL

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CWR

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CWS

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TWO CELL COOLING TOWER

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3" DRAIN/OVERFLOW, TYP.

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NC

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NC

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NO

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8" EQUALIZATION

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3" DRAIN/OVERFLOW

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MBH

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3/4" DRAIN WITH VALVE AND MALE HOSE END CONNECTION

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24JS63

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KKR

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BSW

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OF SHEETS

JOB NUMBER

DRAWN BY

CHECKED BY

DATE

DRAWING NUMBER

Phone (770) 447-4555

350 Research Court, Suite 130 visit us at www.jsace.com

Peachtree Corners, Georgia 30092

Johnson, Spellman & Associates, Inc.

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HVAC PART PLANS -

DEMOLITION & NEW

WORK, ELEVATIONS

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KEYNOTES - DEMOLITION

AutoCAD SHX Text 1 EXISTING COOLING TOWER IN MECHANICAL YARD AND ASSOCIATED VARIABLE EXISTING COOLING TOWER IN MECHANICAL YARD AND ASSOCIATED VARIABLE FREQUENCY DRIVE VFD-CT-1 IN BASEMENT MECHANICAL ROOM TO BE DRIVE VFD-CT-1 IN BASEMENT MECHANICAL ROOM TO BE REMOVED AND REPLACED. EXISTING VFD CT-2 IS TO REMAIN. COORDINATE WITH NEW WORK. 2 REMOVE EXISTING PORTIONS OF CONDENSER WATER PIPING FROM THE 6" REMOVE EXISTING PORTIONS OF CONDENSER WATER PIPING FROM THE 6" BUTTERFLY VALVE TO LIMITS SHOWN ON DRAWINGS. EXISTING CONTROL VALVES TO REMAIN AND BE REUSED. 3 EXISTING SUPPORTS CONSISTING OF CONCRETE PEDESTALS AND WIDE FLANGED EXISTING SUPPORTS CONSISTING OF CONCRETE PEDESTALS AND WIDE FLANGED BEAMS TO REMAIN AND BE REUSED. COORDINATE WITH NEW WORK. 4 EXISTING PORTIONS OF UNDERGROUND CONDENSER WATER PIPING TO REMAIN AND EXISTING PORTIONS OF UNDERGROUND CONDENSER WATER PIPING TO REMAIN AND BE REUSED. COORDINATE WITH NEW WORK. 5 REMOVE AND REPLACE ALL EXISTING OVERFLOW/DRAIN PIPING. COORDINATE WITH REMOVE AND REPLACE ALL EXISTING OVERFLOW/DRAIN PIPING. COORDINATE WITH NEW WORK. 6 EXISTING DRAIN UNDERNEATH COOLING TOWER TO REMAIN AND BE REUSED. EXISTING DRAIN UNDERNEATH COOLING TOWER TO REMAIN AND BE REUSED. COORDINATE WITH NEW WORK. 7 REMOVE PORTIONS OF EXISTING HEAT TRACE SYSTEM AS REQUIRED BY PIPING REMOVE PORTIONS OF EXISTING HEAT TRACE SYSTEM AS REQUIRED BY PIPING REMOVAL. COORDINATE WITH NEW WORK. 8 COORDINATE WITH DIVISION 23 TO DISCONNECT POWER SERVING COOLING TOWER COORDINATE WITH DIVISION 23 TO DISCONNECT POWER SERVING COOLING TOWER BASIN HEATERS FOR REPLACEMENT OF EQUIPMENT. REPLACE EXISTING 30A/3/NF/WP DISCONNECT AND HOMERUN WIRING. PROTECT EXISTING CONDUIT BACK TO PANELBOARD HOMA FOR RECONNECTION TO NEW EQUIPMENT. 9 COORDINATE WITH DIVISION 23 TO DISCONNECT POWER SERVING COOLING TOWER COORDINATE WITH DIVISION 23 TO DISCONNECT POWER SERVING COOLING TOWER FANS FOR REPLACEMENT OF EQUIPMENT. REPLACE EXISTING 100A/3/NF/WP DISCONNECTS AND HOMERUN WIRING. PROTECT EXISTING CONDUIT BACK TO VARIABLE FREQUENCY DRIVES FOR RECONNECTION TO NEW EQUIPMENT. 10 COORDINATE WITH DIVISION 23 TO DISCONNECT MISCELLANEOUS 120V POWER COORDINATE WITH DIVISION 23 TO DISCONNECT MISCELLANEOUS 120V POWER SERVING VIBRATION SWITCHES, LEVEL CONTROLLER, AND HEAT TAPE FOR THE REPLACEMENT OF THE COOLING TOWER. PROTECT EXISTING WIRING FOR RECONNECTION.

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%%UEXIST. CT

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EXIST. 6"CWS&R (BELOW GRADE)

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EXIST. 3"D (OVERFLOW)

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EXIST. 6"CWS&R (BELOW GRADE)

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EXIST. 8"CWS&R (BELOW GRADE)

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CELL CT-1

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CELL CT-2

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EXIST. 6"CWS&R (BELOW GRADE)

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EXIST. 6"CWS&R (BELOW GRADE)

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3"D (OVERFLOW)

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6"CWS&R

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6"CWS&R

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EXIST. 8"CWS&R (BELOW GRADE)

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3"D (OVERFLOW)

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CELL CT-1

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CELL CT-2

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8"EQUALIZATION

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CT-1

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6"CWR

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6"CWS

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EXIST. 6"CWS&R BELOW GRADE

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CT-1

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3"D (OVERFLOW)

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EXIST. CWR BUTTERFLY VALVE

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EXIST. CWS BUTTERFLY VALVE

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3"D (OVERFLOW)

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EXIST. CWR CONTROL VALVE

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8"EQUALIZATION

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KEYNOTES - NEW WORK

AutoCAD SHX Text 1 INSTALL NEW COUNTERFLOW COOLING TOWER ON EXISTING CONCRETE PEDESTALS INSTALL NEW COUNTERFLOW COOLING TOWER ON EXISTING CONCRETE PEDESTALS AND BEAMS AS SHOWN. SEE DETAILS AND SCHEDULES FOR MORE INFORMATION. 2 CONNECT NEW CONDENSER WATER PIPING TO EXISTING AS SHOWN ON CONNECT NEW CONDENSER WATER PIPING TO EXISTING AS SHOWN ON DRAWINGS. HEAT TAPE TO BE ADDED TO ALL NEW CONDENSER PIPING. 3 ROUTE NEW OVERFLOW PIPING TO EXISTING DRAIN AS SHOWN. ROUTE NEW OVERFLOW PIPING TO EXISTING DRAIN AS SHOWN. 4 REPLACE PORTIONS OF HEAT TRACE SYSTEM AS NEEDED TO PROVIDE A FULLY REPLACE PORTIONS OF HEAT TRACE SYSTEM AS NEEDED TO PROVIDE A FULLY OPERATIONAL HEAT TRACE SYSTEM FOR ALL ABOVE GROUND PORTIONS OF NEW AND EXISTING CONDENSER WATER PIPING. 5 EXISTING CONTROL VALVE AND ASSOCIATED WEATHERPROOF ENCLOSURES TO EXISTING CONTROL VALVE AND ASSOCIATED WEATHERPROOF ENCLOSURES TO REMAIN. 6 PROVIDE NEW HEAVY-DUTY 30A/3/NF/WP DISCONNECT FOR NEW BASIN HEATER PROVIDE NEW HEAVY-DUTY 30A/3/NF/WP DISCONNECT FOR NEW BASIN HEATER CONNECTION AT COOLING TOWER. PROVIDE 3#10, #10G IN EXISTING CONDUIT BACK TO PANELBOARD HOMA-8,10,12. REPLACE EXISTING 20A/3p BREAKER WITH NEW 30A/3p BREAKER. REFER TO COOLING TOWER SHOP DRAWINGS. MAKE FINAL CONNECTION TO HEATERS IN ACCORDANCE WITH MANUFACTURER'S SHOP DRAWINGS. 7 PROVIDE NEW REAPLACEMENT HEAVY-DUTY 100A/3/NF/WP DISCONNECTS FOR PROVIDE NEW REAPLACEMENT HEAVY-DUTY 100A/3/NF/WP DISCONNECTS FOR NEW COOLING TOWER FANS. PROVIDE 3#4, #8G (VFD CABLE) IN EXISTING CONDUIT FROM VARIABLE FREQUENCY DRIVE TO NEW DISCONNECT SWITCH. MAKE FINAL CONNECTION TO NEW COOLING TOWER FANS. REFER TO MANUFACTURER'S SHOP DRAWINGS FOR ADDITIONAL REQUIREMENTS. 8 RECONNECT EXISTING MISCELLANEOUS 120V CIRCUITS TO VIBRATION SWITCHES RECONNECT EXISTING MISCELLANEOUS 120V CIRCUITS TO VIBRATION SWITCHES AND LEVEL CONTROLLER. COORDINATE WITH EQUIPMENT SHOP DRAWINGS. 9 INTERCEPT EXISTING 120V CIRCUIT SERVING HEAT TAPE. PROVIDE 30A/1/NF/WP INTERCEPT EXISTING 120V CIRCUIT SERVING HEAT TAPE. PROVIDE 30A/1/NF/WP DISCONNECT AT TOWER. EXTEND TO EXISTING HEAT TRACE AND NEW FAN MOTOR WINDING HEATERS. REPLACE EXISTING 20A/1p BREAKER IN PANELBOARD LOR WITH 20A/1p BREAKER WITH GROUND FAULT PROTECTION FOR EQUIPMENT. 10 EXISTING VARIABLE FREQUENCY DRIVES SERVING COOLING TOWER FANS ARE EXISTING VARIABLE FREQUENCY DRIVES SERVING COOLING TOWER FANS ARE EXISTING TO REMAIN. 11 8" EQUALIZATION PIPING, THIS IS A DEVIATION FROM EXISTING COOLING TOWER.8" EQUALIZATION PIPING, THIS IS A DEVIATION FROM EXISTING COOLING TOWER.

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6"CWR

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6"CWS

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6"CWR

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CT-1

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EXIST. 6"CWS&R BELOW GRADE

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EXIST. 6"CWS&R BELOW GRADE

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6"CWS

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3"D (OVERFLOW)

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3"D (OVERFLOW)

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EXIST. CONTROL VALVE

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EXIST. CONTROL VALVE

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8"EQUALIZATION

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8"CHWR

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VFD SP-1

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1-1/2"RR

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VFD CT-2

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VFD CT-1

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ELECTRICAL

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HDP

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EHDP

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EHEQ

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HOL

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LC

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LOR

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MECHANICAL

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CORRIDOR

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HOMA

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24JS63

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HVAC MECHANICAL YARD DEMOLITION PART PLAN

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HVAC MECHANICAL YARD NEW WORK PART PLAN

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HVAC MECHANICAL YARD NEW WORK - ELEVATION 1

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HVAC MECHANICAL YARD NEW WORK - ELEVATION 2

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AutoCAD SHX Text HVAC BASEMENT MECHANICAL ROOM REFERENCE PLAN - COOLING TOWER VFDs

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HVAC BASEMENT ELECTRICAL ROOM - HDP PANEL

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HVAC BASEMENT MECHANICAL ROOM - HOMA PANEL

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NOTE: PART PLAN SHOWN FOR REFERENCE ONLY

NOTE: PART PLAN SHOWN FOR REFERENCE ONLY