Bid 26121 - Edward L. Smith Library HVAC Replacement

Agency:	Town of North Branford
State:	Connecticut
Type of Government:	State & Local
NAICS Category:	238220 - Plumbing, Heating, and Air-Conditioning Contractors
Posted Date:	Jan 27, 2026
Due Date:	Mar 4, 2026
Solicitation No:	Bid 26121
Original Source:	Please Login to View Page
Contact information:	Please Login to View Page
Bid Documents:	Please Login to View Page

Bid Number:	Bid 26121
Bid Title:	Bid 26121 - Edward L. Smith Library HVAC Replacement
Category:	Bids
Status:	Open

Description:

The Edward L. Smith Library HVAC Replacement project consists of removal and replacement of the building’s VRF systems with controls, perimeter electric heating systems, exhaust fans with controls and supplemental electrical, structural, cutting, patching, and painting scope of work. CHRO and Prevailing Wage Rates are required.

Publication Date/Time:

1/27/2026 4:15 PM

Publication Information:

ADVERTISED 01/25/2026

Closing Date/Time:

3/4/2026 11:00 AM

Submittal Information:

Submit PDF of bids digitally to: bids@nbct.us Hard Copy Bid Bond

Bid Opening Information:

Town Hall

Pre-bid Meeting:

Friday February 6, 2026 10AM

Business Hours:

M_F 8:30-4:30

Fax Number:

203-484-6025

Attachment Preview

LOCATION PLAN

N NOT TO SCALE

TOWN OF NORTH BRANFORD

3 OLD POST ROAD,

NORTHFORD, CT 06472

EDWARD L. SMITH LIBRARY HVAC REPLACEMENT

BID DOCUMENTS

JANUARY 16, 2026

ENGINEER:

919 Middle Street

Middletown, CT 06467

Phone: (860) 635-7740

Fax: (860) 635-7312

PROJECT LOCATION

INDEX OF DRAWINGS

NO.

TITLE

COVER SHEET

M001

MECHANICAL NOTES, SYMBOLS AND ABBREVIATIONS

MD101 MECHANICAL LOWER LEVEL PLAN - DEMOLITION WORK

MD102 MECHANICAL UPPER LEVEL PLAN - DEMOLITION WORK

M101

MECHANICAL LOWER LEVEL PLAN - NEW WORK

M102

MECHANICAL UPPER LEVEL PLAN - NEW WORK

M401

MECHANICAL DETAILS

M402

MECHANICAL DETAILS

M403

MECHANICAL DETAILS

M404

MECHANICAL DETAILS

M405

MECHANICAL DETAILS

M406

MECHANICAL DETAILS

M407

MECHANICAL PIPING DIAGRAMS

M408

MECHANICAL CONTROL DIAGRAMS

M501

MECHANICAL SCHEDULES

E001

ELECTRICAL NOTES, SYMBOLS LIST AND ABBREVIATIONS

ED-101 ELECTRICAL FIRST FLOOR PLAN DEMOLITION

ED-102 ELECTRICAL SECOND FLOOR PLAN DEMOLITION

E-101

ELECTRICAL FIRST FLOOR PLAN NEW WORK

E-102

ELECTRICAL SECOND FLOOR PLAN NEW WORK

E-401

ELECTRICAL PANEL SCHEDULES

E-402

ELECTRICAL SCHEDULES & ONE-LINE DIAGRAM

GENERAL MECHANICAL SYMBOLS

HVAC SYMBOLS

---

Room

NUMBER OF DETAIL ON SHEET

NUMBER OF SHEET WHERE DETAIL APPEARS

DEMOLITION WORK KEYNOTE

NEW WORK KEYNOTE

CONTINUATION SYMBOL

ROOM NAME AND NUMBER

18"x12"

18"/12"

18"Ø

18"x18" S/A

SQUARE DUCT SIZE TAG (WIDTH x HEIGHT)

OVAL DUCT SIZE TAG (WIDTH / HEIGHT)

ROUND DUCT SIZE TAG (DIAMETER)

EXISTING DUCT (THIN, LIGHT LINES)

DUCT BEING DEMOLISHED

SUPPLY AIR

AREA NOT IN CONTRACT

18"x18" O/A

OUTSIDE AIR

EXISTING ITEM TO BE REMOVED

THICK, DASHED LINES ON DEMOLITION DWGS

INDICATE EXISTING ITEM TO BE REMOVED

18"x18" R/A

18"x18" T/A

18"x18" E/A

RETURN AIR

TRANSFER AIR

GENERAL EXHAUST AIR

THICK, DARK SOLID LINES ON NEW WORK

DWGS INDICATE NEW OR RELOCATED ITEMS

THIN, LIGHT LINES ON DEMOLITION AND NEW

WORK DWGS INDICATE EXISTING ITEMS TO

REMAIN IN PLACE AND BE REUSED

POINT OF DEMOLITION WORK CONNECTION TO EXISTING

CAP

PROVIDE PERMANENT CAP (INSULATE CAP AS REQUIRED)

POINT OF DEMOLITION WORK CONNECTION TO EXISTING

PROVIDE TEMPORARY CAP DURING CONSTRUCTION

POINT OF NEW WORK CONNECTION TO EXISTING

ETR

SUB LETTERS ETR INDICATES EXISTING EQUIPMENT TO REMAIN INTACT

ABBREVIATIONS

ABV

ADD

AFF

AFG

AFUE

ALT

ARCH

BFF

BLW

BOD

BOP

BTU

BTUH

CAP

CFM

CLG

DHWG

DIA

EAT

ELEC

EQUIP

EWC

EWT

E/A

EXIST

FCO

FDC

FOV

FOR

FOS

FPM

FTR

GAL

GPM

HTG

HTR

HVLS

INV

KHWG

LB/HR

LAT

LPG

ROUND

ABOVE

AIR CONDITIONING

AREA DRAIN

ADDENDUM

ABOVE FINISHED FLOOR

ABOVE FINISHED GRADE

ANNUAL FUEL UTILIZATION EFFICIENCY

ALTERNATE

ACCESS PANEL

ARCHITECT/ARCHITECTURAL

BELOW FINISHED FLOOR

BELOW

BOTTOM OF DUCT

BOTTOM OF PIPE

BRITISH THERMAL UNITS

BRITISH THERMAL UNITS PER HOUR

CAPACITY

CATCH BASIN

CUBIC FEET PER MINUTE

CEILING

CLEAN OUT

COLD WATER

DEGREE

DRY BULB

DOMESTIC HOT WATER GENERATOR

DIAMETER

DOWN

DISTILLED WATER

EACH

ENTERING AIR TEMPERATURE

ELECTRICAL

EQUIPMENT

ELECTRIC WATER COOLER

ENTERING WATER TEMPERATURE

EXHAUST AIR

EXISTING

DEGREES FAHRENHEIT

FLOOR CLEAN OUT

FLOOR DRAIN

FIRE DEPARTMENT CONNECTION

FLOOR

FUEL OIL

FUEL OIL VENT

FUEL OIL RETURN

FUEL OIL SUPPLY

FEET PER MINUTE

FLOOR SINK

FOOT/FEET

FIN TUBE RADIATION

GALLON

GAS-FIRED

GENERAL CONTRACTOR

GALLONS PER MINUTE

GREASE WASTE

HOSE BIB

HORSE POWER

HEATING

HEATER

HIGH VOLUME LOW SPEED

HOT WATER

INDIRECT

INCH

INVERT

KITCHEN HOT WATER GENERATOR

POUND

POUNDS PER HOUR

LEAVING AIR TEMPERATURE

LIQUEFIED PETROLEUM GAS

LVR

LWT

M/A

MAX

MBH

MCF

MECH

MFR

MIN

MISC

MTR

MU/A

NIC

NTS

O/A

ORD

PIV

PLBG

PRESS

PRV

PSI

PSIG

PWR

R/A

RCP

REC

RED

RL/A

RPM

S/A

SAN

STM

T.O.P.

TDR

TEMP

TYP

VAC

VAV

VENT

VTR

WCO

LOUVER

LEAVING WATER TEMPERATURE

MIXED AIR

MAXIMUM

ONE THOUSAND BTU PER HOUR

ONE THOUSAND CUBIC FEET

MOTORIZED DAMPER

MECHANICAL

MANUFACTURER

MINIMUM

MISCELLANEOUS

MOTOR

MAKE-UP/AIR

NOISE CRITERIA

NORMALLY CLOSED

NOT IN CONTRACT

NUMBER

NORMALLY OPEN

NOT TO SCALE

OXYGEN

OUTSIDE AIR

OVERFLOW ROOF DRAIN

PRESSURE DROP

POST INDICATOR VALVE

PLUMBING

PRESSURE

PRESSURE REDUCING VALVE

POUNDS PER SQUARE INCH

POUNDS PER SQUARE INCH GAUGE

POWER

DUCT RISER

RETURN AIR

RADIANT CEILING PANEL

ROOF DRAIN

RECESSED

REDUCER

RELATIVE HUMIDITY

RELIEF AIR

ROOM

REVOLUTIONS PER MINUTE

RAIN WATER

SQUARE FOOT

SUPPLY AIR

SANITARY

SQUARE FOOT

SMOKE DAMPER

SURFACE MOUNT

STANDPIPE

STATIC PRESSURE

STEAM

THERMOSTAT

TOP OF PIPE

TEMPERATURE DROP

TRENCH DRAIN

TEMPERATURE

TYPICAL

UNDERGROUND

VACUUM

VENT

VARIABLE AIR VOLUME

VENTILATION

VENT THROUGH ROOF

WASTE

WET BULB

WALL CLEAN OUT

WALL HYDRANT

EQUIPMENT ABBREVIATIONS

ACCU

AHU

CUH

CHWP

DBP

DCP

EDC

AIR CONDITIONING UNIT

AIR COOLING CONDENSING UNIT

AIR HANDLING UNIT

AIR SEPARATOR

BOILER

CHILLER

COOLING TOWER

CABINET UNIT HEATER

CHILLED WATER PUMP

DOMESTIC WATER BOOSTER PUMP

DUCT MOUNTED COIL

DOMESTIC WATER CIRCULATING PUMP

DISTRIBUTION (REFRIGERANT) UNIT

EXHAUST FAN

ELECTRIC DUCT COIL

EXPANSION TANK

EWH ELECTRIC WATER HEATER

FCU FAN COIL UNIT

FIRE PUMP

GREASE INTERCEPTOR

GRV GRAVITY ROOF VENTILATOR

HWP HEATING WATER PUMP

HRU HEAT RECOVERY UNIT

PRV POWER ROOF VENTILATOR

RETURN/EXHAUST FAN

RTU ROOFTOP UNIT

SHOT FEEDER

SUMP PUMP

UNIT HEATER

VRF-CP VRF CONTROL PANEL

WH WATER HEATER

18"x18" L/A

18"x18" GE/A

18"x18" SE/A

6"Ø FLUE

6"Ø C/A

DROP

GENERAL RELIEF AIR

GREASE EXHAUST AIR

SMOKE EXHAUST AIR

EXHAUST GAS FLUE

COMBUSTION AIR

RECTANGULAR SUPPLY/OUTSIDE COMBUSTION AIR DUCT RISE

ROUND SUPPLY/OUTSIDE COMBUSTION AIR DUCT RISE

RECTANGULAR RETURN/TRANSFER AIR DUCT RISE

ROUND RETURN/TRANSFER AIR DUCT RISE

RECTANGULAR EXHAUST/RELIEF/SMOKE/GREASE/FLUE AIR

DUCT RISE

ROUND EXHAUST/RELIEF/SMOKE/GREASE/FLUE AIR DUCT RISE

INTERNAL ACOUSTICALLY 1.5" LINED DUCTWORK

TYPE (SEE SCHEDULE)

SUPPLY DIFFUSER

GRILLES, REGISTERS & DIFFUSERS TAG

A 400

9X9

CFM

NECK SIZE

TYPE (SEE SCHEDULE)

RETURN GRILLE

B1 400

12X12

CFM

NECK SIZE

TYPE (SEE SCHEDULE)

EXHAUST GRILLE

B 400

10X10

CFM

NECK SIZE

TYPE (SEE SCHEDULE)

LSD1 200

1 / 4' - 0" / 8"

LINEAR SLOT

DIFFUSER

LINEAR DIFFUSER TAG

LSD1 200

1 / 4' - 0" / 8"

8' - 0"AFF

CFM

NUMBER OF SLOTS /

ACTIVE SLOT LENGTH (PLENUM LENGTH) /

NECK SIZE

ELEVATION (CENTER OF FACE)

LSD1 200

1 / 4' - 0" / 8"

HEATING

COIL

FLOW

VAV-XX

Htg: 3.7 GPM

VAV BOX

BOTTOM OF EQUIPMENT

ELEVATION

MECHANICAL EQUIPMENT TAGS

VAV-XX

10' - 0"

OPERATING WEIGHT

NOT INCLUDING CURB

RTU-XX

4.0 ton

RTU-XX

590 lb

EXISTING VAV BOX

TO REMAIN

VAV LABEL

MAX CFM

EXISTING RELOCATED

EQUIPMENT

VAV-S-3

355/155

(R)VAV-XX

NOMINAL COOLING

CAPACITY

MIN CFM FUEL INPUT

GAS PIPE FLOW

ROOFTOP UNIT

RTU-XX

115000 Btu/h

115 CFH

EQUIPMENT BY OTHERS

(REFER TO OTHER DISCIPLINE

FOR ADDITIONAL INFORMATION)

VAV-XX

COMB. FIRE/SMOKE DAMPER

FIRE DAMPER

SMOKE DAMPER

12"x12" S/A

SD FD

DAMPER TAGS

F/SD

VD M

MANUAL BALANCING DAMPER

MOTORIZED DAMPER

BACKDRAFT DAMPER

12"x12" S/A

PIPING SYMBOLS

CHWR

CHWS

CWR

CWS

FOR

FOS

GWR

GWS

HWR

HRR

HWS

RHG

STM

SCR

MPS

MPR

SHWR

SHWS

THWR

THWS

TFOR

TFOS

TPRVD

PIPE ANCHOR

CHILLED WATER RETURN

CHILLED WATER SUPPLY

CONDENSATE DRAIN

COLD MAKEUP WATER

CONDENSER WATER RETURN

CONDENSER WATER SUPPLY

DRAIN

FUEL OIL RETURN

FUEL OIL SUPPLY

GEOTHERMAL WATER RETURN

GEOTHERMAL WATER SUPPLY

HEATING WATER RETURN

HEAT RECOVERY RETURN

HEATING WATER SUPPLY

NATURAL GAS

PROPANE GAS

REFRIGERANT-LIQUID

REFRIGERANT-SUCTION

REFRIGERANT-HOT GAS

LOW PRESSURE STEAM

LOW PRESSURE STEAM CONDENSATE RETURN

MEDIUM PRESSURE STEAM

MEDIUM PRESSURE STEAM CONDENSATE RETURN

SCHEDULED HOT WATER RETURN

SCHEDULED HOT WATER SUPPLY

TEMPORARY HEATING WATER RETURN

TEMPORARY HEATING WATER SUPPLY

TEMPORARY FUEL OIL RETURN

TEMPORARY FUEL OIL SUPPLY

TEMPORARY PRESSURE RELIEF VALVE DISCHARGE

PIPE GUIDES

BLIND FLANGE (BF)

PIPE TEE DOWN

IN-LINE EXPANSION

COMPENSATOR

STEAM TRAP ASSEMBLY

STEEL PENETRATION /

PIPE SLEEVE

PIPE ELBOW UP

TAKEOFF FROM TOP

OF MAIN PIPE

TAKEOFF FROM

BOTTOM OF MAIN

PIPE

DIRECTION OF FLUID

FLOW

AIR VENT

COMPANION FLANGE

PIPE ELBOW DOWN

PIPE CAP (CAP)

UNION

BALL VALVE

PRESSURE

REGULATOR

BUTTERFLY VALVE

VALVES AND FITTINGS

LOCK SHIELD VALVE

PRESSURE

REDUCING VALVE

Y-STRAINER

2-WAY CONTROL VALVE

3-WAY CONTROL VALVE

SAFETY RELIEF VALVE

CHECK VALVE

BALANCING VALVE S

QUICK OPENING VALVE

SOLENOID VALVE

GATE VALVE

PLUG VALVE

GLOBE VALVE

GAS SHUTOFF COCK

CONTROLS SYMBOLS

WIRED CONTROLLER

DUCT SMOKE DETECTOR

ANALOG OUTPUT

ANALOG INPUT

BINARY OUTPUT

BINARY INPUT

FLOW SWITCH

STATIC PRESSURE SENSOR

FGM NATURAL GAS FLOW METER

FOM OIL FLOW METER

NGM NATIONAL GRID NATURAL

GAS METER

WM WATER METER

FILTER SECTION

STATIC PRESSURE SENSOR - HIGH LIMIT

STATIC PRESSURE SENSOR - LOW LIMIT

THERMOSTAT

HEATING COIL

TEMPERATURE SENSOR

T/CO2 THERMOSTAT & CARBON DIOXIDE SENSOR

COOLING COIL

T/RH THERMOSTAT & RELATIVE HUMIDITY SENSOR

RELATIVE HUMIDITY SENSOR

CO2 CARBON DIOXIDE SENSOR

HYDROGEN SENSOR

NO2 NITROGEN DIOXIDE SENSOR

CARBON MONOXIDE SENSOR

CARBON MONOXIDE &

NO2 NITROGEN DIOXIDE SENSOR

STARTER

BMS TEMPERATURE SENSOR

IN THERMOWELL

THERMOMETER IN

THERMOWELL

T/P

TEMPERATURE/

PRESSURE GAUGE

MOTORIZED DAMPER -

PARALLEL BLADES

MOTORIZED DAMPER -

OPPOSED BLADES

* NOTE *

ALL OF GENERAL NOTES ON THIS SHEET ARE TO BE APPLIED TO ALL OTHER DRAWINGS IN

THIS SET.THE SYMBOLS AND ABBREVIATIONS SHOWN ON THIS SHEET MAY OR MAY NOT BE

USED IN THIS SET OF DRAWINGS.

FVD

BYP

VARIABLE FREQUENCY DRIVE

(VFD) WITH MANUAL BYPASS

FAN

PUMP

PROJECT:

GENERAL MECHANICAL NOTES

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

AND OPERABLE MECHANICAL SYSTEMS AS INDICATED ON THE DRAWINGS, AS SPECIFIED, AND AS

REQUIRED BY CODE.

2. VERIFY EXISTING CONDITIONS ON THE JOB SITE BEFORE BEGINNING ANY WORK. COORDINATE NEW

WORK WITH THE OWNER PRIOR TO COMMENCEMENT OF WORK. COMMENCEMENT OF WORK SIGNIFIES

ACCEPTANCE OF CONDITIONS.

3. CONTRACT DOCUMENT DRAWINGS ARE DIAGRAMMATIC AND ARE INTENDED TO CONVEY SCOPE AND

GENERAL ARRANGEMENT ONLY. PROVIDE ADDITIONAL DUCTWORK, PIPING, AND THEIR FITTINGS.

4. MAINTAIN CLEAR ACCESS TO SERVICE EQUIPMENT AND OTHER ACCESSORIES REQUIRING SERVICE,

VISUAL INSPECTION OR HAND OPERATION. WHERE INDICATED OR REQUIRED, PROVIDE ACCESS PANELS

OF THE TYPE SELECTED TO SUIT MATERIALS IN WHICH INSTALLED.

5. ADJUST DUCTWORK SIZES TO PROPERLY CONNECT TO MECHANICAL EQUIPMENT.

6. LOCATIONS, DUCTWORK, PIPING, AND EQUIPMENT AS INDICATED ON THE DRAWING, ARE APPROXIMATE

AND SUBJECT TO MINOR ADJUSTMENTS IN THE FIELD. WORK SHALL BE COORDINATED WITH ALL OTHER

TRADES TO AVOID INTERFERENCE IN THE FIELD.

7. INSTALL ALL MECHANICAL EQUIPMENT AND APPURTENANCES IN ACCORDANCE WITH WRITTEN

MANUFACTURERS' RECOMMENDATIONS, CONTRACT DOCUMENTS, AND APPLICABLE CODES AND

REGULATIONS.

8. ALL CONTROL WIRE AND CONDUIT SHALL COMPLY WITH THE NATIONAL ELECTRIC CODE AND

ELECTRICAL SPECIFICATIONS.

9. ALL PRESSURES LISTED ARE GAUGE UNLESS OTHERWISE NOTED.

10. PRIOR TO STARTING WORK, SUBMIT SHOP DRAWINGS AND SUBMITTALS FOR ALL MECHANICAL

EQUIPMENT, DUCTWORK, DAMPERS, PIPING, PIPING FITTINGS, VALVES, INSULATION, PIPING AND

DUCTWORK SUPPORTS, AND CONTROLS.

11. CONTRACTOR SHALL OBTAIN AND PAY FOR ALL NECESSARY PERMITS AND SHALL ARRANGE FOR ALL

REQUIRED INSPECTIONS.

12. PROVIDE ONE YEAR WARRANTY FOR ALL WORKMANSHIP AND MATERIALS AFTER THE DATE OF FINAL

ACCEPTANCE. REFER TO MECHANICAL SPECIFICATIONS FOR EQUIPMENT EXTENDED WARRANTY

REQUIREMENTS.

13. FINAL PRODUCT SHALL BE A COMPLETE AND FUNCTIONING SYSTEM, AND SHALL CONFORM TO ALL

REQUIREMENTS OF APPLICABLE FEDERAL, STATE, AND LOCAL CODES.

14. MECHANICAL CONTRACTOR SHALL COORDINATE ALL HVAC EQUIPMENT (VOLTAGE, PHASE, ETC.) WITH

THE ELECTRICAL CONTRACTOR PRIOR TO ORDER OF ANY MECHANICAL EQUIPMENT. MECHANICAL

CONTRACTOR SHALL BE RESPONSIBLE FOR ANY MISMATCH BETWEEN MECHANICAL EQUIPMENT,

ELECTRICAL REQUIREMENTS AND THE ELECTRICAL SERVICE, AS DESIGNED. MECHANICAL AND

ELECTRICAL COORDINATION STATEMENTS SHALL BE INCLUDED WITH EQUIPMENT SUBMITTALS AND

ELECTRICAL REQUIREMENTS AND THE ELECTRICAL SERVICE, AS DESIGNED. MECHANICAL AND

ELECTRICAL COORDINATION STATEMENTS SHALL BE INCLUDED WITH EQUIPMENT SUBMITTALS AND

SHOP DRAWINGS.

15. THE MECHANICAL CONTRACTOR SHALL PROVIDE FULL SUPPORT TO THE COMMISSIONING AGENT

THROUGHOUT ALL PHASES OF THE COMMISSIONING PROCESS INCLUDING PREPARATION, FUNCTIONAL

TESTING, DOCUMENTATION, AND RESOLUTION OF DEFICIENCIES.

APPLICABLE CODES

2022 BUILDING CODE OF CONNECTICUT

2021 FIRE CODE OF CONNECTICUT

2022 MECHANICAL CODE OF CONNECTICUT

2022 ENERGY CONSERVATION CONSTRUCTION CODE OF CONNECTICUT

2022 PLUMBING CODE OF CONNECTICUT

2022 EXISTING BUILDING CODE OF CONNECTICUT

APPLICABLE LOCAL LAWS AND CODES

HVAC ENERGY CODE COMPLIANCE

MECHANICAL DESIGN COMPLIES WITH THE FOLLOWING SECTIONS OF

THE 2022 ENERGY CONSERVATION CONSTRUCTION CODE OF CONNECTICUT:

1. C403.1.1

2. C403.2.2

3. C403.3.1

4. C403.3.2

5. C403.4.1

6. C403.12.2.1

7. C403.12.3

8. C403.12.3.1

Edward L. Smith

Library HVAC

Replacement

3 Old Post Road

Northford, CT

06472

MEP/FP ENGINEERS:

919 Middle Street

Middletown, CT

06457

(860) 635-7740

www.aiengineers.com

DISCLAIMER:

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION

BELONGING TO AI ENGINEERS OR ITS AFFILIATED

COMPANIES AND SHALL BE USED ONLY FOR THE

PURPOSE FOR WHICH IT WAS SUPPLIED. IT SHALL NOT BE

COPIED, REPRODUCED OR OTHERWISE USED, NOR SHALL

SUCH INFORMATION BE FURNISHED IN WHOLE OR IN PART

TO OTHERS EXCEPT IN ACCORDANCE WITH THE TERMS

OF ANY AGREEMENT UNDER WHICH IT WAS SUPPLIED, OR

WITH THE PRIOR WRITTEN CONSENT OF AI ENGINEERS,

AND SHALL BE RETURNED UPON REQUEST.

ISSUANCE:

# DATE

1 01-16-26

DESCRIPTION

BID DOCUMENTS

LOCATION PLAN

N NOT TO SCALE

CONSTRUCTION

STAGE AREA

SEAL:

DRAWING TITLE:

MECHANICAL NOTES,

SYMBOLS, AND

ABBREVIATIONS

DATE: 01-16-25

DRAWN BY: HB

CHECKED BY: OA

SCALE:

NTS

JOB #:

4465

DRAWING #:

M001

EXISTING 1 1/4" C

UP TO REMAIN

MECHANICAL DEMOLITION WORK GENERAL NOTES:

1. LOCATION AND QUANTITIES OF EQUIPMENT IS BASED ON THE BEST AVAILABLE INFORMATION AT TIME OF DESIGN. THE DEMOLITION WORK SHALL

INCLUDE PROVIDING ALL MATERIALS AND LABOR FOR EXTENSIONS, CONNECTIONS, CUTTING, PATCHING, REPAIRING, ELECTRICAL WORK, AND

TEMPORARY CONNECTIONS REQUIRED TO MAINTAIN SERVICE PENDING THE COMPLETION OF THE PERMANENT WORK. NOTES AND GRAPHIC

REPRESENTATION SHALL NOT LIMIT THE EXTENT OF DEMOLITION REQUIRED. EXTENT OF THE DEMOLITION WORK SHALL BE COORDINATED WITH

OWNER AND ENGINEER. THE CONTRACTOR IS RESPONSIBLE FOR FIELD VERIFYING ALL EXISTING CONDITIONS PRIOR TO THE SUBMISSION OF HIS BID.

2. DEMOLITION WORK SHALL NOT AFFECT OPERATION OF ANY EXISTING BUILDING SYSTEMS, BUT IF ANY EXISTING WORK REQUIRED TO REMAIN BUT

INTERFERING WITH NEW WORK SHALL BE RELOCATED AND RECONNECTED USING LIKE MATERIALS AND METHODS OF THE EXISTING SERVICE AND

SHALL CONFORM TO CONTRACT DOCUMENTS. COORDINATE DEMOLITION WORK AND SHUT DOWN OF THE EXISTING HVAC SYSTEMS WITH ALL TRADES,

UTILITY COMPANIES, AND THE OWNER 10 BUSINESS DAYS PRIOR TO COMMENCEMENT OF WORK.

3. PROTECT THE INTEGRITY OF ALL ITEMS THAT ARE INDICATED TO REMAIN. WHERE ITEMS THAT ARE INDICATED TO REMAIN ARE NOT IN PROPER

WORKING ORDER PRIOR THE START OF NEW WORK, REPORT ANY ISSUES IMMEDIATELY TO THE ENGINEER OF RECORD AND THE OWNER'S

REPRESENTATIVE.

4. EXECUTE DEMOLITION IN A SAFE MANNER. EGRESS, EXITS AND FIRE PROTECTION EQUIPMENT REQUIREMENTS SHALL BE MAINTAINED. COVER ALL

FIRE ALARM DEVICES DURING CONSTRUCTION HOURS THEN AT END OF EACH WORKING DAY UNCOVER AND CLEAN THEM.

5. MAKE SAFE ANY UNPROTECTED, EXPOSED ELECTRICAL WIRING AT A POINT OF DEMOLITION. CAPS SHALL BE AIRTIGHT OR WATERTIGHT DEPENDING

ON TYPE OF SERVICE.

6. RESTORE EXISTING FIREPROOFING DUE TO DEMOLITION SCOPE OF WORK.

7. DEMOLITION MATERIALS REQUIRED TO BE TURNED OVER TO THE OWNER SHALL BE PLACED IN A MUTUALLY ACCEPTABLE LOCATION COORDINATED

WITH THE OWNER'S REPRESENTATIVE. OTHERWISE, THE DEMOLITION MATERIALS INCLUDING REFRIGERANT, SHALL BE REMOVED FROM THE BUILDING

AND DISPOSED IN ACCORDANCE WITH APPLICABLE LAWS AND ENVIRONMENTAL REGULATIONS. MATERIALS SHALL BE REMOVED FROM THE BUILDING

AFTER REGULAR BUSINESS HOURS AND SHALL BE TAKEN OFF-SITE NO LATER THAN THE START OF THE NEXT BUSINESS DAY. DEBRIS SHALL NOT BE

ALLOWED TO ACCUMULATE ON THE SITE. MECHANICAL ROOMS SHALL BE SWEPT CLEANED EACH DAY. DUST OR DEBRIS SHALL NOT BE PERMITTED TO

ENTER EXISTING FLOOR DRAINS AND SPACES ADJACENT TO MECHANICAL ROOMS.

8. CONTRACTOR SHALL PROVIDE A SUBMITTED PLAN TO PROTECT EXISTING MEP SYSTEMS/EQUIPMENT, WALLS, CEILINGS, CARPETS, FLOORS,

FURNITURE, IT EQUIPMENT AND BOOKS DURING CONSTRUCTION FOR OWNER APPROVAL.

9. PATCH WALL TO MATCH EXISTING CONDITIONS WHERE EXISTING WIRED CONTROLLERS ARE REMOVED AND NEW WIRED CONTROLLERS NOT BE

INSTALLED IN SAME LOCATION.

EXISTING FIRE

DAMPER TO

REMAIN, TYPICAL

EXISTING 1" C

DOWN TO

JANITOR SINK

TO REMAIN

EXISTING 8X20 O/A UP

AND FIRE DAMPER TO

REMAIN. REMOVE DUCT

6" BELOW UPPER FLOOR.

CRAWL SPACE

B-15

REMOVE EXISTING 6

HEAT PUMP HP-8

REMOVE EXISTING 1" C

AND WYE FITTING

CONNECTING

EXISTING 6X8 E/A

UP TO REMAIN

CONDENSATE TO SINK

DRAIN

EXISTING 8X4 E/A

STOBR-A03GE

18X6 R/A

STORY AREA

B-04

TO REMAIN

DATA/STORAGE

B-11

T 15

18X6 S/A

EXISTING 10X6

DIFFUSER AND FIRE

DAMPER TO REMAIN.

CAP DUCTWORK.

MEN'S

ROOM

B-13 27

18X6 S/A

WOMEN'S

ROOM

B-14

PASSAGE

10X6

S/A

121X06X6S/SA/A

10X6 S/A

CO2 16

OFBF-I0C2E

8X4 S/A DN.

CIRCULATION DESK

B-12

B-01

ELEV.

MACH.

ROOM FD

B-09

FD FD

27 27

JANITOR ROOM

B-08

ERU-4

EF-3

STACK AREA

B-07

STACK AREA27

B-06

EXISTING TRANSFER AIR

GRILLES AND FIRE DAMPER

TO REMAIN, TYPICAL

4 HP-4

DU-2

ELEV.

EXISTING 1 1/4"

C UP TO REMAIN

5 HP-3

1" C

HP-5

1" C

11/4" C

COND-1

26 28 CAP

1 1/4 " C

HP-6 2

1" C

EXISTING 1 1/4" C

UP TO REMAIN

STAIR

105

COND-2

CAP

12Φ E/A

10X10 E/A

EXISTING 1 1/4" C

UP TO REMAIN

EXISTING E/A

LOUVER TO REMAIN

EXISTING BUILDING COLUMN

ENCLOSURE TO REMAIN, TYPICAL

MECHANICAL DEMO WORK KEY NOTES

1 REMOVE EXISTING CEILING CASSETTE UNIT HP-7 WITH SUPPORT, DUCTWORK, CONDENSATE

PIPING AND CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING O/A DUCTED HEAT PUMP UNIT HP-6 WITH SUPPORT, DUCTWORK, CONDENSATE

PIPING AND CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING O/A DUCTED HEAT PUMP UNIT HP-5 WITH SUPPORT, DUCTWORK, CONDENSATE

3 PIPING AND CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING O/A DUCTED HEAT PUMP UNIT HP-4 WITH SUPPORT, DUCTWORK, CONDENSATE

4 PIPING AND CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING O/A DUCTED HEAT PUMP UNIT HP-3 WITH SUPPORT, DUCTWORK, CONDENSATE

PIPING AND CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING O/A DUCTED HEAT PUMP UNIT HP-8 WITH SUPPORT, DUCTWORK, CONDENSATE

PIPING AND CONTROL WIRING WITH SUPPORT.

7 REMOVE EXISTING WALL-MOUNTED CASSETTE UNIT HP-1 WITH SUPPORT, DUCTWORK,

CONDENSATE PIPING AND CONTROL WIRING WITH SUPPORT.

HP-7

8 REMOVE EXISTING WALL-MOUNTED CASSETTE UNIT HP-2 WITH SUPPORT, DUCTWORK,

CONDENSATE PIPING AND CONTROL WIRING WITH SUPPORT.

9 REMOVE EXISTING ERU-4 WITH SUPPORT, DUCTWORK, CONTROL WIRING AND ACCESSORIES WITH

SUPPORT.

1" C

READING AREA

B-05

17 EWH-1

REMOVE EXISTING WIRED CONTROLLER WITH CONTROL WIRING SERVING HP-8 AND SUPPORT.

INSTALL 316 SS PLATE #4 FINISH IN PLACE OF SENSOR.

11 REMOVE EXISTING WIRED CONTROLLER WITH CONTROL WIRING SERVING HP-6 AND HP-7 AND

SUPPORT. INSTALL 316 SS PLATE #4 FINISH IN PLACE OF SENSOR.

12 REMOVE EXISTING WIRED CONTROLLER WITH CONTROL WIRING SERVING HP-3, HP-4, AND HP-5

AND SUPPORT. INSTALL 316 SS PLATE #4 FINISH IN PLACE OF SENSOR.

13 REMOVE EXISTING WIRED CONTROLLER WITH CONTROL WIRING SERVING HP-1 AND HP-2 AND

SUPPORT. INSTALL 316 SS PLATE #4 FINISH IN PLACE OF SENSOR.

EXISTING 1 1/4" C

UP TO REMAIN

14 REMOVE EXISTING ERU-4 CO2 SENSOR WITH CONTROL WIRING WITH SUPPORT.

15 REMOVE EXISTING ELECTRIC DUCT HEATER IN ITS ENTIRETY WITH SUPPORT, THERMOSTAT, AND

CONTROL WIRING.

16 REMOVE EXISTING ERU-4 WIRED CONTROLLER WITH CONTROL WIRING. INSTALL 316 SS PLATE #4

FINISH IN PLACE OF SENSOR.

17 REMOVE EXISTING ELECTRIC WALL HEATER EWH-1. EXISTING BACKBOX AND SUPPORT TO REMAIN.

18 REMOVE EXISTING ELECTRIC WALL HEATER EWH-2. EXISTING BACKBOX AND SUPPORT TO REMAIN.

19 REMOVE EXISTING ELECTRIC WALL HEATER EWH-6. EXISTING BACKBOX AND SUPPORT TO REMAIN.

20 REMOVE EXISTING RADIANT CEILING PANEL WITH CONTROL WIRING AND SUPPORT.

21 REMOVE EXISTING ELECTRIC WALL HEATER EWH-3. EXISTING BACKBOX AND SUPPORT TO REMAIN.

22 REMOVE EXISTING BRANCH SELECTOR UNIT DU-2 WITH SUPPORT, CONDENSATE PIPING AND

CONTROL WIRING WITH SUPPORT.

REMOVE EXISTING REFRIGERANT SUCTION AND REFRIGERANT LIQUID PIPING WITH SUPPORTS.

23 NOTE: EACH DASHED DEMO LINE REPRESENTS TWO EXISTING PIPING LINES.

24 REMOVE EXISTING EXHAUST FAN EF-3, EXHAUST FAN SUPPORT, CONTROL WIRING AND

DUCTWORK WITH SUPPORT.

25 REMOVE EXISTING ACCESS PANEL TO CRAWL SPACE WITH FRAME.

26 REMOVE EXISTING CONCRETE PAD, CONDENSING UNIT, PIPING AND WIRING WITH SUPPORT.

27 EXISTING DUCTWORK TO REMAIN.

28 REMOVE EXISTING CONDENSING UNIT COND-1 WITH REFRIGERANT PIPING, CONTROL, CONTROL

WIRING, AND SUPPORT.

29 REMOVE EXISTING CONDENSING UNIT COND-2 WITH REFRIGERANT PIPING, CONTROL, CONTROL

WIRING, AND SUPPORT.

30 REMOVE, CLEAN AND STORE EXISTING EQUIPMENT SCREEN FOR REINSTALLATION.

PROJECT:

Edward L. Smith

Library HVAC

Replacement

3 Old Post Road

Northford, CT

06472

MEP/FP ENGINEERS:

919 Middle Street

Middletown, CT

06457

(860) 635-7740

www.aiengineers.com

DISCLAIMER:

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION

BELONGING TO AI ENGINEERS OR ITS AFFILIATED

COMPANIES AND SHALL BE USED ONLY FOR THE

PURPOSE FOR WHICH IT WAS SUPPLIED. IT SHALL NOT BE

COPIED, REPRODUCED OR OTHERWISE USED, NOR SHALL

SUCH INFORMATION BE FURNISHED IN WHOLE OR IN PART

TO OTHERS EXCEPT IN ACCORDANCE WITH THE TERMS

OF ANY AGREEMENT UNDER WHICH IT WAS SUPPLIED, OR

WITH THE PRIOR WRITTEN CONSENT OF AI ENGINEERS,

AND SHALL BE RETURNED UPON REQUEST.

ISSUANCE:

# DATE

1 01-16-26

DESCRIPTION

BID DOCUMENTS

SEAL:

DRAWING TITLE:

MECHANICAL

LOWER LEVEL PLAN -

DEMOLITION WORK

DATE: 01-16-25

DRAWN BY: HB

CHECKED BY: OA

SCALE:

AS NOTED

JOB #:

4465

DRAWING #:

MD101

1-1/4"C DN TO

REMAIN

EXISTING ACCESS

DOOR TO ATTIC TO

REMAIN

EXISTING E/A

LOUVER TO