Exhibit B - Construction Drawings.pdf

1. THE SCOPE OF THE WORK IS GENERALLY LIMITED TO THE AREAS SHOWN ON

THESE PLANS. WORK NECESSARY TO RUN ELECTRICAL SERVICE TO EXISTING

PANELS OR EXTEND OR REROUTE OTHER UTILITY LINES IS ALSO INCLUDED.

2. VERIFY ALL EXISTING CONDITIONS AND DIMENSIONS PRIOR TO COMMENCEMENT

OF ANY ON SITE ACTIVITIES.

3. PATCH EXISTING WALLS WHERE DEMOLITION OR OTHER CUTTING OF WALL

SURFACES IS REQUIRED TO MATCH EXISTING CONSTRUCTION AND FINISHES,

INCLUDING INSULATION MATERIALS.

4. THE OTHER AREAS OF THE BUILDING WILL REMAIN IN OPERATION FOR THE

DURATION OF THE CONSTRUCTION CONTRACT. COOPERATION AND

CONSIDERATION BY THE CONTRACTOR AND WORKMEN ON SITE WILL BE

REQUIRED. THE CONTRACTOR SHALL SCHEDULE AND COORDINATE WORK

ACTIVITIES WITH THE OWNER.

5. CONTRACTOR SHALL INSTALL NECESSARY TEMPORARY CONSTRUCTION

BARRIERS AND AIR EQUIPMENT TO SATISFY REQUIRED INFECTION CONTROL AND

RISK ASSESSMENT NEEDS.

6. WHERE CONSTRUCTION (DEMOLITION OR NEW WORK) INVOLVES ANY EXISTING

FIRE BARRIERS, THE CONTRACTOR SHALL FIRESTOP ALL PENETRATIONS TO THE

REQUIRED PERFORMANCE STANDARD OF THE FIRE BARRIER ACCORDING UL

SPECIFICATIONS.

GENERAL NOTES:

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THE INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF THE THRASHER GROUP, INC. REPRODUCTION OF THESE DOCUMENTS IN WHOLE, OR IN PART FOR ANY REASON WITHOUT PRIOR WRITTEN PERMISSION IS STRICTLY PROHIBITED. COPYRIGHT © 2025 THE THRASHER GROUP, INC.

VICINITY MAP

FOR AGENCY REVIEW DATE: _________ BY: ________

FOR BIDDING DATE: _________ BY: ________

FOR CONSTRUCTION DATE: _________ BY: ________

GENERAL WV CODE COMPLIANCES

PROJECT INFORMATION

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OWNER INFORMATIONPROJECT DATA

PROJECT ARCHITECT: ARCHITECTURE

2018 INTERNATIONAL BUILDING CODE

2018 INTERNATIONAL PLUMBING CODE

2018 INTERNATIONAL MECHANICAL CODE

2021 NFPA 101 - LIFE SAFETY CODE

2020 NFPA 70 - NATIONAL ELECTRIC CODE

2017 ICC A117.1 STANDARD FOR ACCESSIBLE

AND USABLE BUILDINGS AND FACILITIES

ASHRAE 90.1-2013 ENERGY STANDARD FOR

BUILDINGS

WV STATE FIRE CODE - ADOPTED MAY 1, 2024

WV STATE BUILDING CODE - ADOPTED AUG 1, 2022

1000 CORPORATE LANDING

CHARLESTON, WV 25311

MEP

CASEY ARTHUR

ARCHITECT WV #4644

CARTHUR@THETHRASHERGROUP.COM

304.343.7601

PROJECT No.

CLIENT

PROJECT ENGINEER:

KEN SMITH, PE

KESMITH@THETHRASHERGROUP.COM

304.343.7601

DESIGN PROFESSIONAL

MAKILA CARR

MCARR@THETHRASHERGROUP.COM

304.343.7601

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WELCH HOSPITAL PHARMACY HVAC

UPGRADES

CONSTRUCTION DOCUMENTS

JULY 1ST, 2025

WELCH, WV

T60-11490.00

SHEET INDEX

A1.03 DEMOLITION & NEW CONSTRUCTION RCP

ME1.01 LEGEND & SCHEDULE

M2.01 PARTIAL FIRST FLOOR DEMO & NEW WORK &

PARTIAL ROOF PLAN NEW WORK -

MECHANICAL

M5.01 MECHANICAL DETAILS

M5.02 HVAC CONTROLS & PANEL BOARD SCHEDULE

PROJECT LOCATION

WELCH COMMUNITY HOSPITAL

454 MCDOWELL ST

WELCH, WV 24801

304.436.8461

WELCH COMMUNITY HOSPITAL

454 MCDOWELL ST

WELCH, WV 24801

304.436.8461

HVAC RENOVATIONS TO EXISTING HOSPITAL

PHARMACY

IBC CONSTRUCTION TYPE: II-A

IBC OCCUPANCY TYPE: I-2

NFPA OCCUPANCY GROUP: HEALTH CARE

NFPA CONSTRUCTION TYPE: II (222)

FULLY SPRINKLED: YES

FIRE ALARM SYSTEM: YES

TOTAL OCCUPANCY AREA: 135 SF

(MECHANICAL SYSTEM RENOVATIONS ONLY)

07/01/25 CCA

07/01/25 CCA

2'x2' LAY-IN CEILING TILE

REFLECTED CEILING PLAN LEGEND

NOTE: CONTRACTOR TO COORDINATE RCP BETWEEN ARCHITECTURAL AND MEP DRAWINGS

BULK HEAD

WALLS BELOW

NOT IN PROJECT SCOPE

NOT IN PROJECT SCOPE

NOT IN PROJECT SCOPE

NOT IN PROJECT SCOPE

NOT IN PROJECT SCOPE

NOT IN PROJECT SCOPE

DEMOLITION PLAN LEGEND

EXISTING TO REMAIN

EXISTING TO BE DEMOLISHED

EXTENTS TO BE DEMOLISHED

1. BEFORE PROCEEDING WITH THE DEMOLITION AND REMOVAL WORK, THE CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS FOR THE EXECUTION OF THE WORK AND SHALL PAY ALL FEES IN CONNECTION THEREWITH.

THE CONTRACTOR SHALL FURNISH RECEIPT FOR SUCH PERMITS TO THE OWNER.

2. THE CONTRACTOR SHALL CONFORM TO APPLICABLE BUILDING CODES FOR DEMOLITION OF STRUCTURES, SAFETY

OF ADJACENT STRUCTURES, DUST CONTROL, RUNOFF CONTROL AND MATERIAL DISPOSAL.

3. THE CONTRACTOR SHALL CONFORM TO APPLICABLE REGULATORY PROCEDURES WHEN DISCOVERING

HAZARDOUS OR CONTAMINATED MATERIALS.

4. IN AN EMERGENCY AFFECTING THE SAFETY OF LIFE OR PROPERTY, ON OR ADJOINING THE SITE, THE

CONTRACTOR SHALL ACT TO PREVENT SUCH THREATENED LOSS OR INJURY.

5. THE CONTRACTOR SHALL PROVIDE, ERECT AND MAINTAIN TEMPORARY BARRIERS, WARNING LIGHTS AND OTHER PROTECTION AS REQUIRED TO ADEQUATELY PROTECT THE WORK, ADJACENT AREAS AND THE PUBLIC AT ALL

TIMES.

6. PROTECT EXISTING STRUCTURE, FINISHES AND OTHER SUCH ITEMS WHICH ARE INDICATED TO REMAIN.

7. ALL EXISTING EXTERIOR MASONRY WALLS, ROOFING SYSTEMS AND BUILDING SHELL STRUCTURE INCLUDING STRUCTURAL COLUMNS, BEAMS, BAR JOISTS, CROSS BRACING, ROOF DECKING, BEARING WALLS AND CONCRETE

FLOOR SLABS SHALL REMAIN UNLESS OTHERWISE NOTED, TYPICAL.

8. THE CONTRACTOR SHALL REMOVE ALL ABANDONED FURRING, FASTENERS HANGERS, BRACKETS, ANGLES, CLIPS, MISC. TACK STRIPS, TACK BOARDS, HOOKS, SIGNS, SHELVES, RUBBLE AND DEBRIS COMPLETELY; INCLUDING

THOSE ITEMS NOT SPECIFICALLY CALLED OUT ON THE DRAWINGS, TYPICAL.

9. ALL ELEMENTS TO THE DRAWING ARE TO BE VERIFIED IN THE FIELD.

GENERAL DEMOLITION NOTES

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BRIDGEPORT, WV 26330

www.thethrashergroup.com

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THE INFORMATION CONTAINED HEREIN IS

THE SOLE PROPERTY OF THE THRASHER

GROUP, INC. REPRODUCTION OF THESE

DOCUMENTS IN WHOLE, OR IN PART FOR

ANY REASON WITHOUT PRIOR WRITTEN

PERMISSION IS STRICTLY PROHIBITED.

COPYRIGHT © 2025

THE THRASHER GROUP, INC.

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DEMOLITION & NEW

CONSTRUCTION RCP

CCA 07/01/25

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1/8" = 1'-0"A1.03

1 REFLECTED CEILING PLAN - NEW CONSTRUCTION

CONSTRUCTION NOTES

NOTE # DESCRIPTION

1 INSTALL NEW ARMSTRONG CLEAN ROOM CEILING TILE (FLAT & CLEANABLE TILE

CAULKED TO GRID) AND GRID. INSTALL GASKETED CEILING GRID IN ANTE AND

COMPOUNDING ROOMS.

2 INSTALL NEW CEILING TILE AND GRID AS REQUIRED. MATCH NEW TILE & GRID TO

EXISTING ACT SYTEM.

1/8" = 1'-0"A1.03

2 REFLECTED CEILING PLAN - DEMOLITION

DEMOLITION NOTES

NOTE # DESCRIPTION

1 REMOVE EXISTING CEILING AS REQUIRED BY NEW WORK

SYMBOL LEGEND

DESCRIPTIONSYMBOL

EQUIPMENT SYMBOL - SEE LIST ON DWGS.

RIGID AIR DUCT SYSTEM

FLEXIBLE DUCT

MANUAL CONTROL DAMPER (W/LOCKING DEVICE0

CEILING SUPPLY DIFFUSER

CEILING RETURN OR EXHAUST GRILLE

DUCT SIZE INSIDE DIMENSIONS - 24"W x 10"D

DUCT SIZE - 10" DIAMETER

THERMOSTAT / SENSOR

PLAN NOTE

24”x10”

10ӯ

T S

A

DIFFUSER SYMBOL - SEE SCHEDULE

NECK SIZE

DESIGN CUBIC FEE PER MINUTE OF AIR

QUANITY FOR ROOM OR SPACE

D1 8ӯ

(2)

ABBREVIATIONS

AFF ABOVE FINISHED FLOOR

BF BELOW FLOOR

BCU BLOWER COIL UNIT

CFM CUBIC FEET PER MINUTE

COP COEFFICIENT OF PERFORMANCE

CU CONDENSING UNIT

DN DOWN

DB DRY BULB

DU DUCTLESS UNIT

EA EXHAUST AIR

EAT ENTER AIR TEMPERATURE

EC ELECTRICAL CONTRACTOR

ECH ELECTRIC CEILING HEATER

EER ENERGY EFFICIENCY RATIO

EF EXHAUST FAN

ESP EXTERIOR STATIC PRESSURE

EUH ELECTRIC UNIT HEATER

EWH ELECTRIC WALL HEATER

FD FIRE DAMPER

FPD FEET PER MINUTE

GC GENERAL CONTRACTOR

GUH GAS UNIT HEATER

KW KILOWATTS

HP HORSEPOWER

L LOUVER

LAT LEAVING AIR TEMPERATURE

MAU MAKE-UP AIR UNIT

MH MOUNTING HEIGHT

MBH THOUSAND BTU/HR

MOD MOTORIZED DAMPER

NIC NOT INCLUDED IN CONTRACT

NTS NOT TO SCALE

O.A. OUTSIDE AIR

PC PLUMBING CONTRACTOR

PD PRESSURE DROP

RA RETURN AIR

RH RELATIVE HUMIDITY

RPM REVOLUTIONS PER MINUTE

RTU ROOFTOP UNIT

SA SUPPLY AIR

SD SMOKE DETECTOR

SF SUPPLY FAN

STR STARTER (MOTOR)

TS TIP SPEED

TSP TOTAL STATIC PRESSURE

(TYP) TYPICAL

TZ TRANSFORMER

UNO UNLESS NOTED OTHERWISE

W/ WITH

WH WATER HEATER

WB WET BULB

W/O WITHOUT

WP WEATHER PROOF

GENERAL MECHANICAL NOTES:

1. PROVIDE ALL MATERIALS AND EQUIPMENT AND PERFORM ALL LABOR REQUIRED TO

INSTALL COMPLETE AND OPERABLE HVAC SYSTEM AS INDICATED ON THE DRAWINGS,

AS SPECIFIED AND AS REQUIRED BY CODE.

2. CERTAIN ITEMS SUCH AS RISES AND DROPS IN DUCTWORK, ACCESS DOORS, VOLUME

DAMPERS, ETC., ARE INDICATED FOR CLARITY IN CERTAIN AREAS. THIS DOES NOT

RELIEVE THE CONTRACTOR OF PROVIDING THESE ITEMS NOT SHOWN IN OTHER

AREAS AS REQUIRED FOR A COMPLETE INSTALLATION.

3. UNLESS NOTED OTHERWISE, LOCATE ALL ROOM THERMOSTATS 5'-0" ABOVE FINISH

FLOOR.

4. ALL DUCTWORK SHALL CLEAR DOORS AND WINDOWS.

5. ALL DUCTWORK DIMENSIONS, AS SHOWN ON DRAWINGS, ARE INTERNAL CLEAR

DIMENSIONS. DUCT SIZE SHALL BE INCREASED IN SIZE TO COMPENSATE FOR

INTERNAL LININGS.

6. COORDINATE DIFFUSER, REGISTER, AND GRILLE LOCATIONS WITH ARCHITECTURAL

PLANS, LIGHTING, AND OTHER ITEMS LOCATED IN CEILING.

7. LOCATE ALL MECHANICAL EQUIPMENT FOR UNOBSTRUCTED ACCESS TO UNIT ACCESS

PANELS, CONTROLS, AND VALVING.

8. PROVIDE FLEXIBLE CONNECTIONS IN ALL DUCTWORK SYSTEMS CONNECTED TO AIR

HANDLING UNITS, FANS, AND OTHER EQUIPMENT THAT REQUIRE VIBRATION

ISOLATION. FLEXIBLE CONNECTIONS SHALL BE PROVIDED AT THE POINT OF

CONNECTION UNLESS NOTED OTHERWISE.

9. RUNS OF FLEXIBLE DUCTWORK SHALL NOT EXCEED 5 FEET.

10. ALL DUCTS SHALL BE GROUNDED ACROSS FLEXIBLE CONNECTIONS WITH FLEXIBLE

COPPER GROUNDING STRAPS.

11. TURNING VANES SHALL BE INSTALLED IN ALL RECTANGULAR DUCT ELBOWS THAT

EXCEED 45° CHANGE IN DIRECTION.

12. INSTALL 1" DUCTLINER IN FIRST 15' OF ALL RETURN AIR DUCTS.

13. SMOKE DETECTORS SHALL BE FURNISHED AND WIRED BY THE ELECTRICAL

CONTRACTOR. THE MECHANICAL CONTRACTOR SHALL INSTALL THE SMOKE

DETECTOR IN THE DUCTWORK.

14. CONTROL RELAYS SHALL BE WIRED BY THE ELECTRICAL CONTRACTOR. THE

MECHANICAL CONTRACTOR SHALL FURNISH AND INSTALL THE RELAY IN THE

EQUIPMENT.

1. COORDINATE HVAC DEMOLITION WITH OTHER TRADES AND GENERAL CONTRACTOR.

DO NOT DEMOLISH EQUIPMENT OR COMPONENTS WITHOUT APPROVAL.

2. UNDER NO CIRCUMSTANCE SHALL DEMOLITION CAUSE DAMAGE OR REMOVAL IN

WHOLE OR IN PART OF ANY STRUCTURAL MEMBER WITHOUT EXPRESS APPROVAL OF

THE GENERAL CONTRACTOR.

3. CAP AND PROTECT ANY EXPOSED EQUIPMENT, DUCT, PIPE OR ELECTRICAL CABLE /

CONDUIT THAT RESULTS FROM DEMOLITION. UNDER NO CIRCUMSTANCE WILL

DEMOLITION RESULT IN THE PERMANENT EXPOSURE OF ANY CHARGED OR LIVE

COMPONENT OR ANY EQUIPMENT TO BE RE-USED.

4. PROTECT ANY EQUIPMENT, SYSTEM, OR COMPONENT THEREOF THAT SHALL BE RE-

USED.

5. COORDINATE DISPOSAL OF ALL REMOVED ITEMS WITH THE GENERAL CONTRACTOR.

TURN OVER ANY COMPONENTS TO THE OWNER AS DESIGNATED IN CLEAN

CONDITION, WITHOUT DAMAGE, AND WITH OPENING SEALED. FURNISH RECEIPTS OF

PROPER DISPOSAL OF ALL ITEMS REMOVED TO THE GENERAL CONTRACTOR UPON

REQUEST. RECEIPTS SHALL INDICATE DISPOSAL IN ACCORDANCE WITH ALL LOCAL,

STATE AND FEDERAL REGULATIONS.

DEMOLITION NOTES

RTU-1 PHARMACY LAB AAON 550 1.75 1478 0.5 1.0 200 36.3 79.1 67.2 28.0 17.4 VARIABLE 2.3 43.3 100.4 SCR 10.0 550 0.25 0.08 24 25 859HEPA 460/3/601.00 854RQA002AA3HBA0AA01N0

LOCATION RM #UNIT

ROOFTOP UNIT SCHEDULE

MFG. MODEL #

SUPPLY

ESP (IN.

RPM BHP HP CFM % WB(°F)DB (°F) TOTAL MBH

SENSIBLE

STAGES TONS DB (°F) DB(°F)

STAGES OR

KW ESP (IN. WC)CFM BHP HP RPM PRIMARY MCA MOCP VOLT/PH/HZ

UNIT WEIGHTAIR

CFM

SUPPLY FAN

WC)

OUTSIDE AIR VOLUME

EAT

MBH

REFRIGERANT COIL

EAT LAT

SCR

ELECTRIC HEATER POWER EXHAUSTER FILTERS UNIT ELECTRICAL

(LB)

NOTES:

1. UNIT SHALL BE CONFIGURED FOR HORIZONTAL SUPPLY / RETURN WITH ENTHALPY ECONOMIZER, BAROMETRIC RELIEF, AND POWER EXHAUST.

2. DRAIN PAN SHALL BE TYPE 304 STAINLESS STEEL OR PLASTIC SLOPED IN TWO PLANES FOR COMPLETE DRAINAGE.

3. ALL MOTORS SHALL BE PREMIUM EFFICIENT. UNIT WEIGHT SHALL INCLUDE CURB, POWER EXHAUSTER AND ALL OTHER UNIT COMPONENTS.

4. POWER EXHAUSTERS RUN INTERMITTENTLY AND MODULATE TO RELIEVE EXCESS BUILDING PRESSURE. PROVIDE AIR PRESSURE CONTROL FOR POWER EXHAUSTER.

5. PROVIDE CURB HEIGHT TO MAKE UNIT OUTDOOR AIR INTAKE SET A MINIMUM OF 30" ABOVE ROOF. CONTRACTOR SHALL SHIM AND LEVEL UNIT ON CURB AS REQUIRED FOR A PLUM AND LEVEL UNIT INSTALLATION.

6. CONDENSING SECTION FOR ROOFTOP UNIT SHALL BE SELECTED BASED ON 95 °F.

7. EXTERNAL STATIC FOR SUPPLY FAN INCLUDES SUPPLY DUCT AND RETURN DUCT. SUPPLY FAN TOTAL STATIC SHALL INCLUDE LOADED FILTERS, COILS, UNIT CASING, AND EXTERNAL STATIC.

8. EQUIPMENT MANUFACTURERS SHALL PROVIDE UNIT WITH DISCONNECTS, MOTOR STARTERS, AND CONTROL TRANSFORMER.

9. FANS SHALL OPERATE IN STABLE NON-SURGE FASHION THROUGH FAN CURVE FROM POINT OF CLEAN FILTER TO POINT OF FILTER CHANGE OUT.

10. FURNISH UNIT WITH LINEBACKER EAC-8000 PHASE PROTECTOR OR EQUAL FACTORY INSTALLED.

11. PROVIDE HOT GAS REHEAT COIL WITH MODULATING CONTROL.

12. COOLING COIL SELECTION SHALL BE BASED ON A 50° TO 52°F LAT DB REQUIRED FOR DEHUMIDIFICATION.

13. AAON ROOFTOP UNIT SUPPLIER- CONTACT CHRIS HESS OF TOBEY KARG PHONE: (412)-736-5582.

14. PROVIDE NON FUSED DISCONNECT, UNIT MOUNTED GFI RECEPTACLE, RECEPTACLE SHALL BE FACTORY WIRED AND POWERED.

15. RTU MFG SHALL FURNISH AND INSTALL PROVISIONS ON ALL HVAC UNITS TO ALLOW FOR TESTING AND BALANCING OF EQUIPMENT BUT NOT LIMITED TO MULTI-SPEED MOTORS, DAMPERS FOR AIRFLOW ADJUSTMENT, ETC.

16. PROVIDE WITH 2" PLEATED MERV 8 FILTERS AND CLOGGED FILTER SWITCH.

17. EXTERNAL STATIC FOR POWERED EXHAUSTER INCLUDES RETURN DUCTWORK AND GRILLES. POWER EXHAUSTER TOTAL STATIC SHALL INCLUDE ALL LOSSES INCLUDING LOSSES WITHIN RTU.

18. CURB SHALL BE FACTORY CONSTRUCTED.

19. ALL HEATING COILS SHALL BE MOUNTED IN THE REHEAT POSITION.

20. PROVIDE HAIL GUARD PROTECTION.

21. PROVIDE HINGED FILTER DOOR AND TOOL LESS ACCESS PANELS.

22. UNIT CASING SHALL BE DOUBLE WALL WITH R-13 FOAM INSULATION.

23. PROVIDE WITH BACNET IP CONTROLLER, OUTSIDE AIR TEMP/HUMIDITY SENSOR, SUPPLY AIR TEMP SENSOR, DIGITAL SPACE TEMP/HUMIDITY SENSOR, BUILDING PRESSURE SENSOR, PROOF OF AIR FLOW, MODULATING

HOT GAS REHEAT MODULE, AND HOT GAS REHEAT VALVE.

DESCRIPTIONUSEMODEL NO.MANUFACTURERMARK NOTES

A. SIZE OF NECK FOR ABOVE ARE SHOWN ON PLAN.

GENERAL NOTES:

3. WHITE FINISH

2. ALUMINUM

1. STEEL

NOTES:

B. SIZE OF GRILLE FOR ABOVE ARE SHOWN ON PLAN.

D1 PRICE LFDC SUPPLY 1,3

24"x24" FLUSH PERFORATED FACE CEILING DIFFUSER WITH

ROOM SIDE REPLACEABLE HEPA FILTER, ROOM SIDE

ADJUSTABLE DAMPER, AND FRAME FOR LAY-IN CEILING.

DIFFUSER SCHEDULE GENERAL ELECTRICAL NOTES

1. ALL ELECTRICAL WORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH

THE NEC.

2. ALL INTERIOR WIRING SHALL BE IN EMT TYPE CONDUIT ACCORDING TO THE

NEC.

3. ALL EXTERIOR WIRING SHALL BE IN RMC TYPE CONDUIT WITH LMFC TO

EQUIPMENT DISCONNECT ACCORDING TO THE NEC.

4. ALL WORK SHALL COMPLY WITH NFPA 70.

5. ELECTRICAL BRANCH CIRCUITS SHALL NOT SHARE A COMMON NEUTRAL.

6. SIZE ALL FUSES, CONDUCTORS AND BREAKERS WITH EQUIPMENT

MANUFACTURER.

7. MECHANICAL EQUIPMENT CONVENIENCE OUTLET SHALL BE GFCI

PROTECTED.

8. EXISTING PANEL PD5 (RIGHT) IS LOCATED IN THE SECOND FLOOR

ELECTRICAL ROOM.

9. NEW RTU-1 BRANCH CIRCUIT BREAKER MANUFACTURER AND TYPE SHALL

CORRESPOND WITH THE EXISTING PANEL PD5 (RIGHT SIDE)

MANUFACTURER AND TYPE.

10. NEW BRANCH CIRCUIT FROM PANEL PD5 TO NEW RTU-1 SHALL BE

INSTALLED IN THE FIRST FLOOR CEILING SPACE.

11. NEW RTU-1 BRANCH CIRCUIT WILL BE APPROXIMATELY 100' IN LENGTH

FROM THE EXISTING PANEL PD5 TO THE NEW RTU-1. CONTRACTOR SHALL

VERIFY PRIOR TO CONSTRUCTION.

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THE INFORMATION CONTAINED HEREIN IS

THE SOLE PROPERTY OF THE THRASHER

GROUP, INC. REPRODUCTION OF THESE

DOCUMENTS IN WHOLE, OR IN PART FOR

ANY REASON WITHOUT PRIOR WRITTEN

PERMISSION IS STRICTLY PROHIBITED.

COPYRIGHT © 2024

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12"x12"R1 160

12"x12"R1 160

12"x12"R1 200

"x

12"x10"

8"x10"

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10"øD1 200

RTU

12"x10"

14"x10"

11 12

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THE INFORMATION CONTAINED HEREIN IS

THE SOLE PROPERTY OF THE THRASHER

GROUP, INC. REPRODUCTION OF THESE

DOCUMENTS IN WHOLE, OR IN PART FOR

ANY REASON WITHOUT PRIOR WRITTEN

PERMISSION IS STRICTLY PROHIBITED.

COPYRIGHT © 2024

THE THRASHER GROUP, INC.

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PARTIAL FIRST FLOOR

DEMO AND NEW WORK

& PARTIAL ROOF PLAN

NEW WORK -

MECHANICAL

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1/8" = 1'-0"

PARTIAL FIRST FLOOR DEMO PLAN -

MECHANICAL

1/8" = 1'-0"

PARTIAL FIRST FLOOR NEW WORK

PLAN - MECHANICAL

1/8" = 1'-0"

PARTIAL ROOF NEW WORK PLAN -

MECHANICAL

PARTIAL FIRST FLOOR DEMO PLAN - MECHANICAL KEYNOTES

NOTE # DESCRIPTION

1 REMOVE SECTION OF DUCT SHOWN. CAP END OF DUCT TO REMAIN

AND SEAL AIRTIGHT.

2 REMOVE EXHAUST FAN LOCATED ON TOP OF DUCT.

3 REMOVE SUPPL AIR DIFFUSER AND ASSOCIATED FLEXIBLE DUCT.

4 EXISTING WALL MOUNTED RETURN GRILLE TO REMAIN AND BE

REUSED.

5 EXISTING ROOF DRAIN PIPE TO REMAIN AND BE REUSED.

6 REMOVE EXISTING PNEUMATIC CONTROLS FROM AIR HANDLER.

SEE M5.02 FOR NEW WORK.

7 REMOVE EXISTING HOT WATER VALVE AND PNEUMATIC ACTUATOR.

SEE NEW WORK PLAN.

8 REMOVE SECTION OF DUCT SHOWN. CAP END OF DUCT TO REMAIN

AND SEAL AIRTIGHT. CAP MAIN DUCT AND SEAL AIRTIGHT.

9 EXISTING WALL MOUNTED PRESSURE MONITOR TO REMAIN AND BE

REUSED.

10 WHERE CONSTRUCTION INVOLVES ANY EXISTING FIRE BARRIERS,

THE CONTRACTOR SHALL FIRESTOP ALL PENETRATIONS TO THE

REQUIRED PERFORMANCE STANDARD OF THE FIRE BARRIER

ACCORDING TO UL SPECIFICATIONS.

PARTIAL FIRST FLOOR NEW WORK PLAN - MECHANICAL KEYNOTES

NOTE # DESCRIPTION

1 14" X 10" UP THROUGH ROOF.

2 14" X 10" UP THROUGH ROOF. COORDINATE EXACT LOCATION WITH

ROOF DRIAN PIPIING.

3 PROVIDE NEW DDC CONTROLS FOR EXISING AIR HANDLER. SEE

M5.02.

4 PROVIDE NEW HOT WATER CONTROL VALVE WITH DDC

CONTROLLED ACTUATOR.

5 SPACE TEMPERATURE AND HUMIDITY SENSOR TO EXISTING AIR

HANDLER.

6 TEMPERATURE/HUMIDITY SENSOR TO RTU-1.

7 EXISTING WALL MOUNTED PRESSURE MONITOR.

CALIBRATE/ADJUST AS REQUIRED.

8 EXISTING ROOF DRAIN PIPE.

9 WHERE CONSTRUCTION INVOLVES ANY EXISTING FIRE BARRIERS,

THE CONTRACTOR SHALL FIRESTOP ALL PENETRATIONS TO THE

REQUIRED PERFORMANCE STANDARD OF THE FIRE BARRIER

ACCORDING TO UL SPECIFICATIONS.

10 NEW DDC CONTROL PANEL. COORDINATE EXACT LOCATION WITH

OWNER AND EXISTING EQUIPMENT. PROVIDE POWER FROM

NEAREST 120 VOLT CIRCUIT.

PARTIAL ROOF NEW WORK PLAN - MECHANICAL KEYNOTES

NOTE # DESCRIPTION

1 14" X 10" DOWN TO BELOW.

2 12" X 10" DOWN TO BELOW.

3 EXISTING EXHAUST GOOSENECK.

4 EXISTING PLUMBING VENT.

5 EXISTING ROOF DRAIN.

6 ROOF DUCT SUPPORT, SEE DETAIL (TYPICAL).

7 PRE-FABRICATED DOUBLE WALL RETURN DUCT WITH 2" INSULATION

AND WEATHERPROOF COVER.

8 PRE-FABRICATED DOUBLE WALL SUPPLY DUCT WITH 2" INSULATION

AND WEATHERPROOF COVER.

9 PROVIDE TRANSITION FROM UNIT INLET SIZE TO 14" X 10".

10 PROVIDE TRANSITION FROM UNIT OUTLET SIZE TO 12" X 10".

11 LOCATE UNIT SUCH THAT OUTSIDE AIR INTAKE IS A MINIMUM OF 10

FEET FROM EXHAUST OUTLET AND PLUMBING VENT.

12 CONTRACTOR SHALL VERIFY LOADING OF EXISTING ROOF

STRUCTURE WITH THE NEW ROOFTOP EQUIPMENT AND DETERMINE

THE NECESSARY REINFORCEMENTS WITH A REGISTERED

PROFESSIONAL STRUCTURAL ENGINEER.

NOT TO SCALE

KEY PLAN

APPROXIMATE

LOCATION OF

SECOND FLOOR

ELECTRICAL ROOM

D E F

C

B

A

GG

F

E

D

A

B

C

FLEX DUCT

BELLMOUTH TAKE-OFF

BUCKLEY AIR PRODUCTS

TYPE BM-D OR EQUAL

WITH DAMPER

DUCT MAIN

PLASTIC TIE BAND

CONICAL SPIN-IN FITTING

WITH DAMPER-GENFLEX

MODEL SM-2D OR EQUAL

FABRICATED SQUARE TO

ROUND TAP WITH DAMPER-

AREA OF TAP TO BE

1.5xAREA OF BRANCH

VOLUME DAMPERG

G

NOTES

A

B

C

E

D

G K

F H

J

INSULATED ROOF CURB

ANGLE IRON SUPPORT

EXISTING ROOF INSULATION

ROOFTOP EQUIPMENT

6" THICK LAYER OF FIBERGLASS

INSULATION WITH A MINIMUM DENSITY

OF 5 POUNDS/CUBIC FT.

1/2" THICK GYPSUM BOARD OR

PLYWOOD

EXISTING STRUCTURAL SUPPORTS

EXISTING ROOFING

ROOF CURB

EXISTING ROOF DECK

A

B

C

D

E

F

G

H

K

J

1. PROVIDE 5 # DENSITY INSULATION UNDER UNIT ON TOP OF ROOF AND INSIDE ROOF CURB.

COVER INSULATION WITH 1/2" THICK PLYWOOD OR GYPSUM BOARD AND CAULK BETWEEN

PLYWOOD OR GYPSUM BOARD AND ROOF CURB.

2. ROOF INSULATION SHALL EXTEND UNDER UNIT.

C

B

A B

A

CE

F

D

D

E

F

GALVANIZED STEEL UNISTRUT

SET TIMBER ON WALKWAY PAD

ROOF

DUCT

SECURE DUCT TO UNISTRUT WITH

METAL STRAP WRAPPED OVER DUCT

AND SCREWED TO UNISTRUT

TREATED 6"x6" TIMBER WITH

BOTTOM CORNERS ROUNDED

G

G SECURE UNISTRUT TO 6"X6" WITH

ANGLE BRACKETS AND SCREWS

A

B

C

C D E

D B

PLASTIC OR STAINLESS STEEL TIE BAND

ALL BENDS TO BE LONG RADIUS

HANGER BANDS IN ACCORDANCE WITH FLEX

MANUFACTURERS INSTRUCTIONS

INSULATED FLEXIBLE DUCT (5'-0" MAX. LENGTH)

SQUARE TO ROUND ADAPTER OR ROUND TRANSITION

(WHERE REQ'D.)

A

E

F G

CEILING DIFFUSER OR GRILLE

CEILING

ELEVATION

F G

H SEAL AROUND DIFFUSER AT CEILING PENETRATIONH

NO SCALE

DETAIL-"A"

DUCT

ROOF

ROOF CURB

CORNER SEAMS

FLASHING WITH WELDED

SEAL WITH SILICONE

ON 6" CENTERS AND

RIVETED OR BOLTED

1 1/2" STANDING SEAMA

B

C

D

E

D

E

B

C

A

1 1/2"X 1 1/2"X 1/8" STEEL ANGLE

WITH RIVETED OR BOLTED

ON 6" CENTERS

F

F

G

H

J

K

ROOF CURB

K

J

DUCT

DETAIL-"A"

ROOFH

G

SHEET No.

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DATE:

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P.O. BOX 940

BRIDGEPORT, WV 26330

www.thethrashergroup.com

F (304) 624-7831

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THE INFORMATION CONTAINED HEREIN IS

THE SOLE PROPERTY OF THE THRASHER

GROUP, INC. REPRODUCTION OF THESE

DOCUMENTS IN WHOLE, OR IN PART FOR

ANY REASON WITHOUT PRIOR WRITTEN

PERMISSION IS STRICTLY PROHIBITED.

COPYRIGHT © 2024

THE THRASHER GROUP, INC.

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MECHANICAL DETAILS

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NOT TO SCALE

ALTERNATE METHODS OF FELX DUCT CONNECTIONS

NOT TO SCALE

DETAIL OF ROOFTOP AIR CONDITIONING UNIT

NOT TO SCALE

DETAIL OF DUCT SUPPORT ON ROOF

NOT TO SCALE

INSTALLATION DETAILS FOR FLEXIBLE

DUCTS

NOT TO SCALE

DETAIL OF DUCT THRU ROOF

FLOW DIAGRAM: AIR HANDLER UNIT

H - 3

D - 13

D - 14ACT - 12

T - 18

T - 13

T - 8

V - 1

LLT - 12 T - 22

T - 6 CO2 - 4

S - 5

H - 7 T - 16

OA

RLF

HDW - 15

R - 25

MS - 6

D - 2

DPT- 9

R - 17

T - 2

HDW - 23

H - 6

DA

RA

ACT - 44

SPH (AI)

MAD (AO)

CC LAT (AI)

PH LAT (AI)

OAT (AI)

PH (AO)

MA LLT (BI)

RAT (AI) RA CO2 (AI)

CND OVRFL (BI)

OAH (AI) MAT (AI)

SAF (BO)

SAF (BI)

CMP1 (BO)

SPT (AI)

SPT SP (AI)

RLF DPR (AO)

POINTS LIST: AIR HANDLER UNIT

SYSTEM POINT DESCRIPTION POINTS ALARMS

G R

AP

H

IC

AN

AL

O G

H

AR

D W

AR

E

IN

PU

T (A

I)

BI

N

AR

Y

H

AR

D W

AR

E

IN

PU

T (B

I)

AN

AL

O G

H

AR

D W

AR

E

O U

TP

U

T (A

O

BI

N

AR

Y

H

AR

D W

AR

E

O U

TP

U

T (B

O

SO

FT

W

AR

E

PO

IN

T

(S

FT

H

AR

D W

AR

E

IN

TE

R

LO

C K

(H D

W

W

IR

EL

ES

S (W

LS

N

ET

W O

R K

(N

ET

H

IG

H

A N

AL

O

G L

IM

IT

LO

W

A N

AL

O

G L

IM

IT

BI

N

AR

Y

LA

TC

H D

IA

G

N O

ST

IC

SE

N

SO

R

F

AI

L C

O M

M U

N

IC

AT

IO

N F

AI

L

COIL LEAVING AIR LOW TEMP

CUTOUT ALARM

LLT

X X

COMPRESSOR 1 COMMAND

CMP1

X X

CONDENSATE OVERFLOW

DETECTION LOCAL

CND OVRFL

X X X X

COOLING COIL LEAVING

TEMPERATURE

CC LAT

X X X X X

MIXED AIR DAMPER COMMAND

MAD

X X

MIXED AIR LOW TEMPERATURE

CUTOUT ALARM

MA LLT

X X

MIXED AIR TEMPERATURE LOCAL

MAT

X X X X

OUTDOOR AIR RELATIVE HUMIDITY

LOCAL

OAH

X X

OUTDOOR AIR TEMPERATURE

LOCAL

OAT

X X

PREHEAT LEAVING COIL

TEMPERATURE LOCAL

PH LAT

X X X

PREHEAT OUTPUT COMMAND

PH

X X

RELIEF AIR DAMPER COMMAND

RLF DPR

X X

RETURN AIR CO2 LOCAL

RA CO2

X X X

RETURN AIR TEMPERATURE LOCAL

RAT

X X

SPACE HUMIDITY LOCAL

SPH

X X X

SPACE STATIC PRESSURE LOCAL

SPP

X X X X

SPACE TEMPERATURE LOCAL

SPT

X X X X X

SPACE TEMPERATURE SETPOINT

LOCAL

SPT SP

X X

SUPPLY FAN START STOP

COMMAND

SAF

X X

SUPPLY FAN STATUS

SAF

X X

BAS COMMUNICATION STATE

BAS COM

X X

MAINTENANCE REQUIRED

MNT REQ

X X

MIXED AIR TEMPERATURE LOW

LIMIT SETPOINT

MA LLT STPT

X

OCCUPIED COOLING SETPOINT

OCC CLG STPT

X X

OCCUPIED HEATING SETPOINT

OCC HTG STPT

X X

SUPPLY FAN FAILURE

SF FAIL

X X X

UNOCCUPIED COOLING SETPOINT

UNOCC CLG STPT

X X

UNOCCUPIED HEATING SETPOINT

UNOCC HTG STPT

X X

SHEET No.

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CHECKED:

DATE:

DATE:

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P.O. BOX 940

BRIDGEPORT, WV 26330

www.thethrashergroup.com

F (304) 624-7831

N O

BY

D

AT

E D

ES

C

R

IP

TI

O

N

THE INFORMATION CONTAINED HEREIN IS

THE SOLE PROPERTY OF THE THRASHER

GROUP, INC. REPRODUCTION OF THESE

DOCUMENTS IN WHOLE, OR IN PART FOR

ANY REASON WITHOUT PRIOR WRITTEN

PERMISSION IS STRICTLY PROHIBITED.

COPYRIGHT © 2024

THE THRASHER GROUP, INC.

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HVAC CONTROLS,

PANELBOAED

SCHEDULE

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