23.195 RSD5 Amity RHS Media Center Interior Alt - Addendum 2 05.19.26.pdf

ADDENDUM #2

Amity Regional High School Media Center Interior Alterations – Regional School District 5 State Project #205-0046 A Addendum #2-1

MEDIA CENTER INTERIOR ALTERATIONS

AMITY REGIONAL HIGH SCHOOL

25 NEWTON ROAD

WOODBRIDGE, CT 06525

STATE PROJECT #205-0046 A

BID #2026-LMC-HS-1

S/P+A PROJECT #23.195

DATE: May 19, 2026

The following changes to the Drawings and Project Specifications shall become a part of the Drawings and Project Specifications; superseding previously issued Drawings and Project Specifications to the extent modified by Addendum #2.

General Information:

• The pre-bid sign-in sheet is attached for reference. (2)

• The deadline for RFIs was Monday, May 18, 2026, 10:00am.

• See attached RFI log. (1)

• Electrical panels were not accessible during the walkthrough, therefore photos of those that pertain to the project have been attached to this addendum. (2)

Changes to the Specifications:

• INSTRUCTIONS TO BIDDERS, Page 1, Article 3, Final Complete, revise “December 31, 2026” to read “March 1, 2027”. (Per RFI #016)

Changes to the Drawings:

• The following drawings have been deleted in their entirety. New drawings have been added and are attached as part of this addendum*:

o M001 MECH GENERAL NOTES, ABBREVIATIONS & LEGENDS (Per RFI #002) o M021 MECH FIRST FLOOR PIPING DEMO PART PLAN (Per RFI #002)

The bid date remains unchanged by this addendum.

The addendum consists of six (6) pages of 8½” x 11” text and two (2) 30” x 42” drawings*.

End of Addendum #2

BID RFI LOG

Project: Amity Regional High School Media Center Interior Alterations State Project/Bid #: 205-0046 A/2026-LMC-HS-1 RFI Deadline: 05/18/26, 10a

S/P+A Project #: 23.195 Bids Due: 05/27/26, 2p

RFI # QUESTION DATE RESPONSE ADDENDUM #

RECEIVED ISSUED

Documents list both June 5 and May 27th as the bid due date.

Please confirm correct bid due date.

05/13/26 May 27 is correct. Refer to Addendum #1. 2

Some notes on drawings say to refer to abatement plans, or as required by abatement, etc. Is there any hazardous materials that need to be abated as part of this project. If so please provide testing report.

05/13/26 No abatement, additional testing to be completed by Owner prior to work. Refer to Addendum #2 for revised Drawings.

Based on the review of the documents it does not appear that Builders Risk or OCP insurance is required. Please confirm

05/13/26 Builder's Risk is not the responsibility of the Contractor.

OCP is not required.

Are there any requirements for the contractor to provide for any clerk of the works.

05/13/26 Project will not have a Clerk of the Works. 2

It does not appear that any allowances or alternates are required. Please confirm.

05/13/26 Confirmed. 2

The specification calls for special inspections for the steel work. Please confirm the costs/fees for the testing agency for these third party tests are to be paid for by owner per IBC

1704.2 and 1703.1.1.

05/13/26 Confirmed. 2

Will there be a specified staging area for materials/tools that will need to be stored on site? Or shall the contractor provide exterior storage containers.

05/13/26 Contractor to provide storage containers in area designated by the Owner.

Will the General Contractor be required to provide snow plowing during the course of the construction

05/13/26 No. 2

Is there any specific security requirements for contractors/GC working on site? As in Daily sign in, background checks, badging, etc.

05/13/26 All Contractors will be required to sign-in Security. Refer to Section 011000, 1.5.G. for additional requirements.

Confirm Builders Risk insurance is to be carried by the General Contractor.

05/13/26 Refer to RFI #003. 2

Confirm OCP insurance is required to be carried by the general contractor

05/13/26 Refer to RFI #003. 2

Confirm the GC owns the cost of all temporary equipment, electric, water, heat etc. Will the GC be allowed to hook up to the existing services for construction purposes?

05/13/26 Refer to Section 015000. 2

Confirm the GC will be able to use the existing bathroom facilities during the construction phase

05/13/26 No, refer to Section 015000, 3.2. 2

Confirm who will be paying for third party testing, we note that IBC 2021 Section 1704.2 requires special inspections to be performed by an approved agency retained by the Owner or Owner's agent, "other than contractor", in accordance with the independence requirements of IBC 2021 Section 1703.1.1.

Given that these services typically are to be performed by the Owner's retained agency, and that the scope and frequency of required testing are not fully defined, please confirm whether the Owner will retain and pay for these services directly, or if the Contractor is to carry an allowance or other defined value for include in the proposal.

05/13/26 Unless otherwise indicated in the project manual, Owner is responsible to retain and pay for third-party testing.

Will existing FF/E be moved by the owner prior to the start of construction, or will the GC need to assist in the process?

05/13/26 Yes. 2

The dates in the RFP contain conflicting language. Section 2 states substantial completion by December 31, 2026, and final completion by March 1, 2027. However, the "Important Dates" table later lists "Final Completion: By December 31, 2026".

05/13/26 Dates in Article 2 of the Instructions to Bidders are correct. Refer to Addendum #2 for revisions to Article 3.

Will a field office be required? Or can the contractor utilize space in the existing building?

05/15/26 Refer to Section 015000, 2.1. No space available aside from the media center.

Will we be able to use toilets in the building or we will need to provide portalets?

05/15/26 Refer to RFI #013. 2

Is there a laydown area available for dumpster, storage, portalet?

05/15/26 Yes. 2

Rooms 125, 125B, and others are missing wall tags. Please provide.

05/15/26 Refer to Drawing A705 for Enlarged Plans. 2

021 Please confirm that all FFE is by owner. 05/15/26 Refer to RFI #015. 2

SILVER PETRUCELLI + ASSOCIATES

3190 Whitney Avenue | Hamden CT 06518 311 State Street | New London CT 06320

EMP-2

LP-23

LP-2

GLOBE VALE

BUTTERFLY VALVE

PRESSURE GAUGE

SHUT-OFF VALVE

STRAINER, BLOW OFF

AV

OR

STRAINER

PUMP OR FAN

AIR VENT, MANUAL

AIR VENT, AUTOMATIC

MECHANICAL DEMOLITION NOTE,

NUMBER INDICATES NOTEPIPE UNIONPRESSURE/TEMPERATURE

PORT

TEMPERATURE GAUGE/

TEMPERATURE INDICATOR

T

ABBREVIATIONS (NOT ALL ARE USED)

(###) CFM

ABV ABOVE

AC AIR COMPRESSOR

AD ACCESS DOOR

AF AIRFOIL

AFF ABOVE FINISHED FLOOR

AFMS AIR FLOW MEASURING STATION

AHU-# AIR HANDLING UNIT

AL ACOUSTIC LINING

ALD AUTOMATIC LOUVER DAMPER

APD AIR PRESSURE DROP

AUTO AUTOMATIC

AWT AVERAGE WATER TEMPERATURE

B-# BOILER

BC BACKWARD CURVED

BD BELT DRIVE

BMCS BUILDING MANAGEMENT & CONTROL SYSTEM

BTU BRITISH THERMAL UNIT

CAP CAPACITY

CB-# CONTROL BOX

CC-# COOLING COIL

CD CONDENSATE DRAIN

CFM CUBIC FEET PER MINUTE

CH-# CHILLER

CHWS CHILLED WATER SUPPLY

CHWR CHILLED WATER RETURN

CLG CEILING

CONV-# HOT WATER CONVECTOR

CP CONDENSATE RECEIVER/PUMPING SYSTEM

CWR CONDENSER WATER RETURN

CWS CONDENSER WATER SUPPLY

CT-# COOLING TOWER

CUH-# CABINET UNIT HEATER

CV CONTROL VALVE

dB DECIBELS

DB DRY BULB

DDC DIRECT DIGITAL CONTROL

DIA. or ∅ DIAMETER

DIFF DIFFUSER

DL DOOR LOUVER

DN DOWN

DOAS DEDICATED OUTDOOR AIR SYSTEM

DP DEWPOINT TEMPERATURE

DR DROP

DTR DUAL TEMPERATURE WATER RETURN

DTS DUAL TEMPERATURE WATER SUPPLY

DX DIRECT EXPANSION

EAT ENTERING AIR TEMPERATURE

ECM ELECTRONICALLY COMMUTATED MOTOR

EER ENERGY EFFICIENCY RATIO

EF-# EXHAUST FAN

EG EXHAUST GRILLE

EHC-# ELECTRIC HEATING COIL

ER EXHAUST REGISTER

ES END SUCTION

ESP EXTERNAL STATIC PRESSURE

ET-# EXPANSION TANK

EUH-# ELECTRIC UNIT HEATER

EWH-# ELECTRIC WALL HEATER

EWT ENTERING WATER TEMPERATURE

EWT ENTERING WATER TEMPERATURE

EX EXISTING

EXH EXHAUST

EXT EXTERNAL

F DEGREES FAHRENHEIT

FA FACE AREA

FAI FRESH AIR INTAKE

F&B FACE & BYPASS DAMPER

FBO FURNISHED BY OTHERS (INSTALLED BY HVAC SUBCONTRACTOR)

FC FORWARD CURVE

FCU FAN COIL UNIT

FD/AD FIRE DAMPER WITH ACCESS DOOR

FF FINAL FILTER

FIBO FURNISHED AND INSTALLED BY OTHERS

FIN FL FINISH FLOOR

FL FLOOR

FLA FULL LOAD AMPERES

FLEX FLEXIBLE

FPF FINS PER FOOT

FS FLOW SWITCH

FT FEET

F.T. FLOAT & THERMOSTATIC TRAP

FTR FIN TUBE RADIATION

FV FACE VELOCITY

GC GENERAL CONTRACTOR

GPH GALLONS PER HOUR

GPM GALLONS PER MINUTE

GWLR GEOTHERMAL WATER LOOP RETURN

GWLS GEOTHERMAL WATER LOOP SUPPLY

H-# HUMIDIFIER

H/C HEATING/COOLING

HEPA HIGH EFFICIENCY PARTICULATE ARRESTANCE

HC-# HEATING COIL

HD FEET OF HEAD

HGBP HOT GAS BYPASS

HGRH HOT GAS REHEAT

H-O-A HAND-OFF-AUTOMATIC

HP-# HEAT PUMP

HP HORSEPOWER

HTG HEATING

HV-# HEATING AND VENTILATING UNIT

HVAC HEATING, VENTILATING & AIR CONDITIONING

HX-# HEAT EXCHANGER CONVERTOR

IBT INVERTED BUCKET TRAP

ID INSIDE DIMENSION

IL INLINE

IN INCHES

IV INLET GUIDE VANES

KW KILOWATT

KWH KILOWATT HOUR

LAT LEAVING AIR TEMPERATURE

LD LINEAR DIFFUSER

LIN LINEAR

LRA LOCKED ROTOR AMPERES

LPR LOW PRESSURE STREAM RETURN

LPS LOW PRESSURE STEAM SUPPLY

LWT LEAVING WATER TEMPERATURE

MAN MANUAL

MAT MIXED AIR TEMPERATURE

MAX MAXIMUM

MBH 1000 BTU'S

MCA MINIMUM CIRCUIT AMPACITY

MD MOTORIZED DAMPER

MER MECHANICAL EQUIPMENT ROOM

MERV MINIMUM EFFICENCY RESISTANCE VALUE

MEZZ MEZZANINE

MFS MAXIMUM FUSE SIZE

MIN MINIMUM

MOCP MINIMUM OVERCURRENT PROTECTION

MOT MOTOR

MUA MAKE-UP AIR

MV MOTORIZED VALVE

NC NOISE CRITERIA

NC NORMALLY CLOSED

NO NORMALLY OPEN

NTS NOT TO SCALE

OA OUTSIDE AIR

OAI OUTDOOR AIR INTAKE

OAT OUTDOOR AIR TEMPERATURE

OBD OPPOSED BLADE DAMPER

OD OUTSIDE DIMENSION

O.E. T.D. OPEN END TRANSFER DUCT

P-# PUMP

PB PUSH BUTTON

PBD PARALLEL BLADE DAMPER

PD PRESSURE DROP

PF PREFILTER

PH PHASE

PHC PREHEAT COIL

PRV PRESSURE REDUCING VALVE

PSI POUND PER SQUARE INCH

RA RETURN AIR

RAF-# RETURN AIR FAN

RAT RETURN AIR TEMPERATURE

RH RELATIVE HUMIDITY

RHC REHEAT COIL

RLA RATED LOAD AMPS

RM ROOM

RP RADIANT PANEL

RPM REVOLUTIONS PER MINUTE

RTU-# ROOFTOP AIR CONDITIONING UNIT

SA SUPPLY AIR

SAF-# SUPPLY AIR FAN

SAT SUPPLY AIR TEMPERATURE

SB SECURITY BARS

SD SMOKE DAMPER

SEER SEASONAL ENERGY EFFICIENCY RATIO

SG SUPPLY GRILLE

SP STATIC PRESSURE

SQ FT SQUARE FOOT (AREA)

ST SINGLE POLE SWITCH W/ THERMAL OVERLOAD

SWR SIDE WALL REGISTER

TD TEMPERATURE DIFFERENCE

TDV TRIPLE DUTY VALVE

TEMP TEMPERATURE

TG AIR TRANSFER GRILLE

TN-HR TON HOUR REFRIGERATION

TOT TOTAL

TRD TRANSFER DUCT

T'STAT THERMOSTAT

TT THERMOSTATIC TRAP

TYP TYPICAL

UC UNDERCUT DOOR

UH-# UNIT HEATER

UV-# UNIT VENTILATOR

VAV-# VARIABLE AIR VOLUME

VD VOLUME DAMPER

VE VOLUME EXTRACTOR

VFD VARIABLE FREQUENCY DRIVE

VI VIBRATION ISOLATOR

W/ WITH

WB WET BULB

WFM WATER FLOW MEASURING STATION

WMS WIRE MESH SCREEN

WPD WATER PRESSURE DROP

WSHP WATER SOURCE HEAT PUMP

WT WEIGHT (LBS)

ZD ZONE DAMPER

SYMBOL LEGEND (NOT ALL SYMBOLS ARE USED) PROJECT GENERAL NOTES

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THE INTENT OF THESE CONTRACT DOCUMENTS IS FOR THE CONTRACTOR TO FURNISH AND INSTALL COMPLETE MECHANICAL AND ELECTRICAL SYSTEMS. THESE MECHANICAL AND ELECTRICAL SYSTEMS INCLUDE PLUMBING, FIRE PROTECTION, HVAC, ELECTRICAL AND ALL ASSOCIATED SPECIAL SYSTEMS. ALL SYSTEMS SHALL BE COORDINATED AND COMPLETE IN ALL RESPECTS. OPERATING, TESTED, ADJUSTED, APPROVED BY THE AUTHORITIES HAVING JURISDICTION AND READY FOR BENEFICIAL USE TO THE OWNER'S SATISFACTION.

THE CONTRACTOR SHALL OBTAIN AND REVIEW ALL CONTRACT DOCUMENTS, INCLUDING PROJECT MANUAL, PLANS AND SPECIFICATIONS OF ALL TRADES BEFORE SUBMITTING BID.

REFER TO SPECIFICATIONS, PROJECT MANUAL AND PLANS, INCLUDING ALL EQUIPMENT SCHEDULES FOR MECHANICAL AND ELECTRICAL INFORMATION. CONTRACTOR SHALL WALK

THROUGH BUILDING TO BECOME FULLY FAMILIAR WITH IT PRIOR TO SUBMITTING BID.

ALL OF THE CONTRACT DRAWINGS AND SPECIFICATIONS ARE COMPLEMENTARY TO FORM A TOTAL DESIGN PACKAGE. IT IS THE RESPONSIBILITY OF THE GENERAL CONTRACTOR/CONSTRUCTION MANAGER TO DETERMINE WHICH TRADE CONTRACTOR IS RESPONSIBLE FOR VARIOUS PORTIONS OF THE WORK.

ALL WORK AND ACTION DEPICTED AND DESCRIBED SHALL BE PERFORMED BY THE CONTRACTOR UNLESS SPECIFICALLY NOTED OTHERWISE.

PROVIDE SUPPORT/BRACING OF EQUIPMENT AND BUILDING SERVICES FOR SEISMIC RESTRAINT AS REQUIRED BY CODE.

OBTAIN AND PAY FOR ALL REQUIRED PERMITS AND INSPECTIONS.

ALL EQUIPMENT, MATERIALS AND RELATED SYSTEM COMPONENTS SHALL BE NEW UNLESS SPECIFICALLY NOTED OTHERWISE.

REPAIR AND/OR REPLACE AT NO COST TO OWNER ALL EQUIPMENT AND MATERIALS DAMAGED DURING CONSTRUCTION.

THE DRAWINGS ARE DIAGRAMMATIC AND INDICATE THE GENERAL ARRANGEMENT OF SYSTEMS AND WORK INCLUDED IN THE CONTRACT. THE CONTRACTOR SHALL COORDINATE LOCATIONS OF EQUIPMENT WITH ALL TRADES BEFORE STARTING CONSTRUCTION. ANY MODIFICATIONS TO THE EQUIPMENT LAYOUT REQUIRED FOR INSTALLATION ARE TO BE

PERFORMED AT NO ADDITIONAL COST TO THE OWNER.

REFER TO THE ARCHITECTURAL DRAWINGS FOR THE EXACT LOCATION OF LIGHT FIXTURES AND MOUNTING HEIGHTS OF EQUIPMENT. INCLUSIVE OF RECEPTACLES, SWITCHES, THERMOSTATS, ETC. ALL SUCH EQUIPMENT AND COLORS SHALL BE COORDINATED WITH THE ARCHITECT. CONTACT ARCHITECT FOR CLARIFICATION OF MOUNTING REQUIREMENTS, IF

INFORMATION IS NOT CONTAINED IN THE DRAWINGS.

ALL WORK SHALL BE PERFORMED IN COMPLIANCE WITH THE APPLICABLE CODES, ORDINANCES AND THE REGULATORY AGENCIES HAVING JURISDICTION.

ALL EQUIPMENT, DAMPERS, VALVES, SMOKE DETECTORS, FIRE DAMPERS SHALL BE LOCATED IN ACCESSIBLE LOCATIONS. WHEN EQUIPMENT, DAMPERS, VALVES, SMOKE DETECTORS, FIRE DAMPERS MUST BE LOCATED ABOVE AN INACCESSIBLE CEILING OR WALL THEN AN APPROPRIATE ACCESS DOOR / PANEL SHALL BE PROVIDED. THESE SHALL BE COORDINATED

WITH THE ARCHITECT AND SUITABLE FOR THE ASSEMBLY RATING BEING PENETRATED.

WHEN CONFLICTS OCCUR BETWEEN THE DRAWINGS AND/OR SPECIFICATIONS IT SHALL BE BROUGHT TO THE ATTENTION OF THE ENGINEER. THE CONTRACTOR SHALL CARRY AS PART OF

THE BID THE LARGER QUANTITY AND/OR MORE EXPENSIVE ITEM(S).

CONTRACTORS SHALL COORDINATE THEIR WORK WITH ALL OWNER-FURNISHED EQUIPMENT, INCLUDING REQUIRED SERVICE CONNECTIONS, RECEPTACLES, ETC. BEFORE INSTALLATION.

CONTRACTORS SHALL PROVIDE ALL REQUIRED SLEEVES AND SEALS FOR PIPES OR CONDUIT PENETRATING WALLS OR SLABS WITH FIRE STOPPING SEALANT WHERE REQUIRED.

ELECTRICAL CONDUITS & BOXES TO BE CONCEALED IN WALLS OR ABOVE CEILING WHEREVER POSSIBLE.

COORDINATE ALL PIPING AND CONDUITS LEAVING THE BUILDING WITH THE SITE CONTRACTOR(S) BEFORE INSTALLATION.

PROVIDE VIBRATION ISOLATION FOR ALL MECHANICAL EQUIPMENT.

PROVIDE VIBRATION ISOLATORS FOR ALL PIPING SUPPORTS CONNECTED TO AND WITHIN 50 FEET OF ISOLATED EQUIPMENT THROUGHOUT MECHANICAL EQUIPMENT ROOMS.

LOCATE ALL TEMPERATURE, PRESSURE AND FLOW MEASURING DEVICES IN VISIBLE AND ACCESSIBLE LOCATIONS WITH STRAIGHT SECTION OF PIPE OR DUCT UP/DOWN STREAM AS

RECOMMENDED BY THE MANUFACTURER FOR GOOD ACCURACY.

ALL EQUIPMENT, PIPING, AND DUCT WORK SHALL BE SUPPORTED AS DETAILED, SPECIFIED AND REQUIRED TO PROVIDE A VIBRATION FREE INSTALLATION.

LOCATION AND SIZES OF ALL FLOOR, WALL AND ROOF PENETRATIONS SHALL BE COORDINATED WITH ALL OTHER TRADES INVOLVED.

INSTALL COMPLETE OPERATING SYSTEMS. PROVIDE ALL COMPONENTS, DEVICES, CONTROLS, RELAYS, TRANSFORMERS, ETC., WHETHER INDICATED OR NOT, FOR COMPLETE SYSTEMS

AS INTENDED BY THE CONSTRUCTION DOCUMENTS.

ALL NEW EQUIPMENT SPECIFIED IN THE SCHEDULES SHALL BE CONNECTED TO THE BMCS.

SOME PART OF THE BUILDING WILL BE OCCUPIED DURING CONSTRUCTION. REFER TO PHASING PLAN FOR MORE INFORMATION. MAINTAIN EXISTING SERVICES TO OCCUPIED AREAS. SEAL ALL DUCTWORK AND VENTILATION OPENINGS COMMUNICATING CONSTRUCTION AREAS WITH OCCUPIED AREAS TO PREVENT THE TRANSFER OF AIR CONTAMINATED BY CONSTRUCTION

ACTIVITIES.

ALL PENETRATIONS THRU RATED WALLS, FLOORS & CEILINGS SHALL BE SEALED USING U.L. LISTED METHODS APPROPRIATE FOR INDICATED RATING.

HVAC NOTES

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PIPING AND DUCT WORK LAYOUTS AS INDICATED ON THE DRAWINGS ARE DIAGRAMMATIC; PROVIDE ADDITIONAL TRANSITIONS AND OFFSETS AS REQUIRED FOR COORDINATION WITH BUILDING CONSTRUCTION AND THE WORK OF OTHER TRADES AT NO ADDITIONAL COST TO THE OWNER.

PROVIDE VOLUME DAMPERS, THROTTLING VALVES AND ISOLATION VALVES AS SPECIFIED AND/OR AS INDICATED ON THE DRAWINGS.

PROVIDE FIRE DAMPERS AT DUCT PENETRATIONS OF FIRE RATED PARTITIONS.

PROVIDE SMOKE DETECTORS ON THE SUPPLY AND RETURN DUCTWORK OF ALL AIR HANDLING EQUIPMENT 2000 CFM AND OVER.

ALL MOTORS AND EQUIPMENT SHALL BE OF EFFICIENCIES THAT ARE ELIGIBLE FOR UTILITY COMPANY ENERGY INCENTIVE PROGRAMS. THE BMCS SHALL BE COMPLETE IN ALL REGARDS, TESTED AND CAPABLE OF ACHIEVING THE SEQUENCES OF OPERATION. ALL DEVICES SHALL BE UNDER SYSTEM CONTROL. ALL ZONES SHALL BE THERMOSTATICALLY CONTROLLED WHETHER OR NOT A THERMOSTAT, SENSOR OR CONTROLLER IS INDICATED.

THE ABUILDING MANAGEMENT AND CONTROL SYSTEM SHALL BE COMPLETE IN ALL REGARDS, TESTED AND CAPABLE OF ACHIEVING THE SEQUENCES OF OPERATION. ALL DEVICES SHALL BE UNDER SYSTEM CONTROL. ALL ZONES SHALL BE THERMOSTATICALLY CONTROLLED WHETHER OR NOT A

THERMOSTAT, SENSOR OR CONTROLLER IS INDICATED.

MAINTAIN MANUFACTURER'S RECOMMENDED MINIMUM CLEARANCES FOR INSTALLATION OF EQUIPMENT.

INSULATED FLEXIBLE DUCT RUNS SHALL NOT BE LONGER THAN 5 FT AND SHALL TERMINATE AT A 90 DEGREE ELBOW MATCHING THE NECK SIZE OF THE DIFFUSER IT SERVES.

PROVIDE VANDAL RESISTANT COVERS ON THERMOSTATS, AS NOTED.

ALL DUCTWORK DIMENSIONS, AS SHOWN ON THE DRAWINGS, ARE INTERNAL CLEAR DIMENSIONS AND DUCT SIZE SHALL BE INCREASED TO COMPENSATE FOR DUCT LINING THICKNESS.

PROVIDE ALL 90 DEGREE SQUARE ELBOWS WITH DOUBLE WALL TURNING VANES UNLESS OTHERWISE INDICATED. UNVANED ELBOWS SHALL BE SMOOTH RADIUS CONSTRUCTION WITH A RADIUS EQUAL TO 1-1/2 TIMES THE WIDTH OF THE DUCT. PROVIDE ACCESS DOORS UPSTREAM OF ALL

ELBOWS WITH TURNING VANES.

COORDINATE DIFFUSER, REGISTER AND GRILLE LOCATIONS WITH ARCHITECTURAL REFLECTED CEILING PLANS, LIGHTING AND OTHER CEILING ITEMS.

PROVIDE INSULATED FLEXIBLE CONNECTIONS IN ALL DUCTWORK SYSTEMS CONNECTED TO AIR HANDLING UNITS,FANS AND OTHER EQUIPMENT WHICH REQUIRE VIBRATION ISOLATION. FLEXIBLE CONNECTIONS SHALL BE AT THE POINT OF CONNECTION TO THE EQUIPMENT UNLESS OTHERWISE

INDICATED.

PROVIDE INSULATED FLEXIBLE CONNECTIONS IN ALL DUCTWORK PASSING THROUGH BUILDING SEISMIC EXPANSION JOINTS.

ALL DUCTWORK SHALL BE COORDINATED WITH ALL TRADES INVOLVED. OFFSETS IN DUCTS, INCLUDING DIVIDED DUCTS AND TRANSITIONS AROUND OBSTRUCTIONS, SHALL BE PROVIDED AT NO ADDITIONAL COST TO THE OWNER.

PROVIDE ACCESS DOORS IN DUCTWORK TO PROVIDE ACCESS FOR ALL SMOKE DETECTORS, FIRE DAMPERS, SMOKE DAMPERS, VOLUME DAMPERS, COILS AND OTHER ITEMS LOCATED IN DUCTWORK WHICH REQUIRE SERVICE OR INSPECTION.

DUCTWORK SHALL BE PRESSURE TESTED AND SEALED FOR LEAKAGE IN ACCORDANCE WITH THE CODE.

THE SUPPLY AIR SYSTEM SHALL BE PURGED TO ENSURE ALL FOREIGN PARTICLES ARE REMOVED PRIOR TO FINAL CONNECTION OF SUPPLY AIR DIFFUSERS.

ALL ELBOWS AND TEES FROM DOWNFLOW ROOF MOUNTED UNITS SHALL BE WRAPPED WITH A SOUND LAGGING MATERIAL.

ALL SUPPLY, RETURN AND OUTSIDE AIR DUCTWORK AND PLENUMS SHALL BE PROVIDED WITH INSULATION.

PIPING NOTES

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UNLESS OTHERWISE NOTED, ALL PIPING IS OVERHEAD, TIGHT TO UNDERSIDE OF STRUCTURE OR SLAB, WITH SPACE FOR INSULATION.

INSTALL PIPING SO THAT ALL VALVES, STRAINERS, UNIONS, TRAPS, FLANGES AND OTHER APPURTENANCES REQUIRING ACCESS ARE ACCESSIBLE.

UNIONS AND/OR FLANGES SHALL BE INSTALLED AT EACH PIECE OF EQUIPMENT, IN BYPASSES AND IN LONG PIPING RUNS (100 FEET OR MORE) TO PERMIT DISASSEMBLY FOR ALTERATION

AND REPAIRS.

ALL PIPING WORK SHALL BE COORDINATED WITH ALL TRADES INVOLVED. OFFSETS IN PIPING AROUND OBSTRUCTIONS SHALL BE PROVIDED AT NO ADDITIONAL COST TO THE OWNER.

PROVIDE FLEXIBLE CONNECTIONS IN ALL PIPING SYSTEMS CONNECTED TO PUMPS AND OTHER EQUIPMENT WHICH REQUIRE VIBRATION ISOLATION, EXCEPT WATER COILS. FLEXIBLE

CONNECTIONS SHALL BE PROVIDED AS CLOSE TO THE EQUIPMENT AS POSSIBLE.

ALL PENETRATIONS THROUGH RATED WALLS, FLOORS & CEILINGS SHALL BE SEALED USING U.L. LISTED METHODS APPROPRIATE FOR INDICATED ASSEMBLY RATING.

PROVIDE SWING JOINTS AT ALL BRANCH CONNECTIONS TO WATER SUPPLY AND RETURN. PROVIDE ISOLATION VALVES AT ALL BRANCH CONNECTIONS.

PROVIDE AIR VENTS AT ALL HIGH POINTS.

INSTALL DRAIN VALVES WITH HOSE CONNECTION AT ALL LOW POINTS.

PROVIDE HOSE END CAPS WITH CHAIN ON ALL DRAIN VALVES.

ALL PIPING PASSING THROUGH BUILDING EXPANSION JOINTS SHALL BE PROVIDED WITH PIPING EXPANSION LOOPS.

ALL PIPING, VALVES AND FITTINGS SHALL BE PROVIDED WITH INSULATION FOR SERVICES REQUIRING INSULATION.

ALL EXISTING PIPING AND ASSOCIATED FITTINGS THAT ARE TO REMAIN TEMPORARILY AS PART OF THE CONSTRUCTION MANAGER'S STAGING PLAN AND THAT ARE AFFECTED BY ABATEMENT WORK SHALL BE PROVIDED WITH NEW INSULATION. REFER TO ABATEMENT DRAWINGS AND PROJECT MANUAL.

ADDITION AND RENOVATION NOTES

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THIS PROJECT IS AN EXISTING FACILITY ADDITION AND RENOVATION.

BEFORE SUBMITTING BIDS, THE CONTRACTOR SHALL VISIT THE SITE AND BECOME THOROUGHLY FAMILIAR WITH THE EXISTING CONDITIONS UNDER WHICH THE PROJECT IS TO BE

COMPLETED.

THE CONTRACTOR SHALL BE HELD RESPONSIBLE FOR ANY ASSUMPTIONS, OMISSIONS OR ERRORS MADE AS A RESULT ON OF THEIR FAILURE TO BECOME FULLY FAMILIAR WITH THE

EXISTING CONDITIONS.

IT IS NOT THE INTENT OF THESE DRAWINGS TO SHOW EVERY PIECE OF EQUIPMENT, PIPING OR CONDUIT TO BE REMOVED. EQUIPMENT NOT BEING USED SHALL BE REMOVED INCLUDING ALL ASSOCIATED HANGERS, SUPPORTS, PIPES, DUCTS, CONDUITS, WIRES AND CONTROLS BACK TO THE POINT OF ORIGIN.

NO EQUIPMENT, PIPING OR CONDUIT SHALL BE ABANDONED IN PLACE UNLESS SPECIFICALLY NOTED.

PROPERLY DISPOSE OF ALL DEMOLISHED EQUIPMENT AND MATERIALS IN COMPLIANCE WITH CODES AND REGULATIONS.

RELOCATE EXISTING EQUIPMENT, PIPING, WIRING AND RELATED SYSTEMS TO REMAIN AS REQUIRED FOR CONSTRUCTION. EXTEND FEEDER/CONDUIT AND PROVIDE RECONNECTIONS FOR SYSTEM TO BE FULLY OPERATIONAL. ALL RELOCATED EQUIPMENT SHALL BE PROTECTED DURING CONSTRUCTION.

PROVIDE TEMPORARY CONNECTIONS AND SYSTEM MODIFICATIONS AS REQUIRED FOR PHASED CONSTRUCTION.

INCLUDE ALL WORK REQUIRED TO ALLOW STAGED CONSTRUCTION . COORDINATE WITH GENERAL CONTRACTOR/CONSTRUCTION MANAGER FOR SEQUENCE OF CONSTRUCTION

REQUIREMENTS.

GENERAL CONTRACTOR IS RESPONSIBLE FOR PATCHING, REPAIRING, CAPPING, ETC. PER DEMOLITION AND CONSTRUCTION REQUIREMENTS.

FS FLOW SWITCH

MECHANICAL CONSTRUCTION NOTE,

NUMBER INDICATED NOTEC##

D##

SUPPLY OR OUTSIDE AIR DUCT OR

DIFFUSER / REGISTER

SUPPLY OR OUTSIDE AIR DUCT DOWN

RETURN DUCT OR GRILLE

RETURN DUCT DOWN

MOTORIZED DAMPER

BACKDRAFT DAMPER

DUCT STATIC PRESSURE SENSOR

SPS

MD

BD

VOLUME DAMPERVD

EXHAUST AIR DUCT OR EXHAUST GRILLE

EXHAUST AIR DUCT DOWN

BALL VALVE

ELBOW, 90°

CAP

PIPE CONNECTION BOTTOM

PIPE CONNECTION TOP

PIPE COUPLING (JOINT)

OS & Y

SAFETY RELIEF VALVE

(PRESS. & TEMP.)

HOSE END DRAIN

TWO WAY MOTORIZED

CONTROL VALVE

THREE WAY MOTORIZED

CONTROL VALVE

CHECK VALVE

PIPE TEE

DRAIN VALVE W/

HOSE COUPLING W/CAP

PIPE ELBOW, TURNED DOWN

CALIBRATED

BALANCING VALVE

DUCT MOUNTED

HUMIDITY SENSOR

DUCT MOUNTED

CARBON DIOXIDE SENSOR

FLOW METER

HUMIDISTAT/ HUMIDITY

SENSORH

H

CO2

FM

CHANGE OF ELEVATION,

RISE (R) DROP (D) R

LINED DUCT WORK

DUCT WORK, DIRECTION OF FLOW

RECTANGULAR TO ROUND TRANSITION

FLEXIBLE CONNECTION

FC

TRANSITION

DIRECTION OF SUPPLY OR OUTSIDE AIR

DIRECTION OF RETURN OR EXHAUST AIR

S SMOKE DETECTOR IN DUCT (FIBO)

FD/AD FIRE DAMPER W/ ACCESS DOOR

DUCT ACCESS DOOR

RETURN GRILLE

DIA. OR

PIPE TEE, OUTLET UP

M

OR THERMOMETER

DIAMETER

P

METER

DIRECTION OF FLOW

PRESSURE SENSOR

SPACE TEMPERATURE SENSORT

HWS

HWR HOT WATER RETURN

HOT WATER SUPPLY

POINT OF CONNECTION

CHWS

CHWR CHILLED WATER RETURN

CHILLED WATER SUPPLY

PIPE ELBOW, TURNED DOWN

PIPE TEE, OUTLET DOWN

PIPE ELBOW, TURNED UP

SMD

SMOKE DAMPER

FSD

COMBINATION FIRE

AND SMOKE DAMPER

CARBON MONOXIDE SENSOR

CARBON DIOXIDE SENSOR

NITROGEN DIOXIDE SENSOR

CO

CO2

NO2

REFERENCE AS-BUILT DRAWING LIST

SM-A-1.1 PART A FIRST FLOOR HVAC PLAN

SM-A-1.2 PART A FIRST FLOOR HVAC PLAN

SM-A-2.1 PART A SECOND FLOOR HVAC PLAN

SM-A-2.2 PART A SECOND FLOOR HVAC PLAN

SM-B-1.1 PART B FIRST FLOOR HVAC PLAN

SM-B-1.2 PART B FIRST FLOOR HVAC PLAN

SM-B-2.2 PART B SECOND FLOOR HVAC PLAN

POINT OF DISCONNECTION

AS BUILT DRAWINGS ARE FOR REFERENCE ONLY

OMIT

RFI 002

DRAWING TITLE:REVISED BY:DATE:DESCRIPTION:REVISION:PROJECT TITLE: DATE:

SCALE:

DRAWN BY:

PROJECT NUMBER:

DRAWING NUMBER:

SILVER PETRUCELLI + ASSOCIATES

203 230 9007

3190 WHITNEY AVENUE HAMDEN CT 06518

silverpetrucelli.com

311 STATE STREET NEW LONDON CT 06320

PROJECT SUBMISSION:

STATE PROJECT NUMBER:

INTERIOR RENOVATION AT

AMITY REGIONAL HIGH SCHOOL MEDIA CENTER

25 NEWTON ROAD

WOODBRIDGE, CT 065525 205-0046 A

ISSUED FOR BID: 05/01/26

23.195

11/07/2025

1/8" = 1'-0"

5/1 9/2

6 1

:59 :01

P

MM001

MECH GENERAL NOTES,

ABBREVIATIONS, AND LEGENDS

M.Burwell/ W. Yaremich

MECHANICAL DRAWING LIST

M001 MECH GENERAL NOTES, ABBREVIATIONS, AND LEGENDS

M011 MECH FIRST FLOOR DUCT DEMO PART PLAN

M021 MECH FIRST FLOOR PIPING DEMO PART PLAN

M111 MECH FIRST FLOOR DUCT PART PLAN

M112 MECH ROOF DUCT PART PLAN

M211 MECH FIRST FLOOR PIPING PART PLAN

M212 MECH ROOF PIPING PLAN

M500 MECH SCHEDULES

M501 MECH SCHEDULES

M600 MECH DETAILS

M601 MECH DETAILS

M602 MECH DETAILS

1 ADDENDUM #2 5/19/20261 ADDENDUM #2 5/19/2026 M.BURWELL

POINT OF DISCONNECT

POINT OF DISCONNECT

SFB4

SFB1

SFB4

REFRIGERANT LINESET (TYP FOR 3 INDOOR UNITS)

DEMO INDOOR UNIT INCLUDING BUT

NOT LIMITED TO UNITS, PIPING,CONTROLS,

INSULATION AND FITTINGS

DEMO CONDENSING UNITS (X3) INCLUDING BUT

NOT LIMITED TO UNITS, PIPING, CONTROLS,

INSULATION AND FITTINGS

SYMBOL

DEMOLITION LEGEND

DESCRIPTION

EXISTING PIPING, DUCTWORK, OR EQUIPMENT TO

BE REMOVED

EXISTING GRILLE TO BE REMOVED

EXISTING REGISTER/DIFFUSER TO BE REMOVED

EXISTING EQUIPMENT/PIPE/DUCT TO REMAIN

DEMOLITION KEYNOTE TAG

DEMOLITION GENERAL NOTES

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

THE INTENT OF THIS DOCUMENT IS FOR THE CONTRACTOR TO

REMOVE ALL EXISTING MECHANICAL EQUIPMENT, HOT WATER

SUPPLY AND RETURN PIPING, SPECIALTIES AND ALL ASSOCIATED

INSULATION AND HANGERS, DUCTWORK AND ASSOCIATED

ACCESSORIES AND CONTROLS EXCEPT WHERE NOTED TO

REMAIN.

THE DEMOLITION NOTES ARE FOR DESCRIPTIVE GUIDE ONLY.

THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE REMOVAL

OF ALL ITEMS WHETHER OR NOT INDICATED AND/ OR NOTED ON

THE DRAWINGS. LOCATIONS AND QUANTITIES SHOWN ON THE

DEMOLITION DRAWINGS ARE APPROXIMATE. CONTRACTOR

SHALL VERIFY THE FULL EXTENT OF WORK.

CONSTRUCTION WILL BE COMPLETED IN PHASES. ALL EXISTING

PIPING WILL BE REUSED UNTIL THEY ARE READY TO BE

DEMOLISHED. REFER TO CONSTRUCTION MANAGER'S PHASING

PLAN.

NO WORK SHALL BE LEFT INCOMPLETE NOR ANY HAZARDOUS

SITUATIONS CREATED WHICH WILL AFFECT THE LIFE OR SAFETY

OF THE PUBLIC AND/OR BUILDING OCCUPANTS. AT NO TIME

SHALL THE WORK INTERFERE WITH OR CUTOFF ANY OF THE

EXISTING SERVICES WITHOUR THE OWNER'S WRITTEN

PERMISSION.

WHEN NECESSARY TO TEMPORARILY DISCONNECT ANY EXISTING

BUILDING UTILITIES AND PIPING SYSTEM, CONFER WITH THE

OWNER AND ARRANGE THE PERIOD OF INTERRUPTION FOR A

TIME MUTUALLY AGREED UPON.

COORDINATE SHUTDOWN OF EXISTING SERVICES AND TAPPING

OF EXISTING PIPING WITH OWNER'S MAINTENANCE PERSONNEL.

NO WORK SHALL TAKE PLACE UNTIL DOING SO.

THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING THEIR

WORK WITH ALL TRADES.

ALL DUCTWORK AND PIPING INSULATION REMOVAL SHALL BE

PART OF ABATEMENT WORK. REFER TO ABATEMENT DRAWINGS,

PROJECT MANUAL FOR ALL EXISTING PIPING AND MECHANICAL

SERVICES NOTE SHOWN HEREIN, OR CONCEALED IN THE

EXISTING CONSTRUCTION. INSTALLATION OF NEW TEMPORARY

INSULATION FOR ALL PIPING AFTER ABATEMENT SHALL BE THE

RESPONSIBILITY OF THE MECHANICAL CONTRACTOR.

FOR MORE INFORMATION ON HANDLING HAZARDOUS MATERIALS,

REFER TO THE ABATEMENT DRAWINGS AND PROJECT MANUAL.

INFILL ALL EXISTING FLOOR AND WALL PENETRATIONS THAT ARE

NOT GOING TO BE REUSED WITH A MATERIAL WITH THE SAME

WALL RATING AS THE EXISTING WALL. REFER TO THE

ARCHITECTURAL DRAWINGS.

D##

DEMOLITION KEY NOTES

1.

2.

3.

EXISTING VAV TERMINAL UNIT, ASSOCIATED PIPING, CONTROLS,

SUPPORTS, HANGERS, ETC. TO BE REMOVED BACK TO MAIN AS

INDICATED. PIPING TO BE CAPPED AND SEALED WATER TIGHTAT

PIPE MAIN.

EXISTING INDOOR FAN COIL UNIT, ASSOCIATED OUTDOOR

CONDENSING UNIT, CONDENSATE PUMP, CONTROL,

REFRIGERANT PIPING, CONDENSATE PIPING, ETC. TO BE

REMOVED COMPLETELY.

EXISTING HOT WATER PIPING TO BE REMOVED BACK TO MAIN.

EXISTING PIPE MAIN TO BE CAPPED AND SEALED WATER TIGHT.

OMIT

RFI 002

DRAWING TITLE:REVISED BY:DATE:DESCRIPTION:REVISION:PROJECT TITLE: DATE:

SCALE:

DRAWN BY:

PROJECT NUMBER:

DRAWING NUMBER:

SILVER PETRUCELLI + ASSOCIATES

203 230 9007

3190 WHITNEY AVENUE HAMDEN CT 06518

silverpetrucelli.com

311 STATE STREET NEW LONDON CT 06320

PROJECT SUBMISSION:

STATE PROJECT NUMBER:

PROJECT

NORTH

INTERIOR RENOVATION AT

AMITY REGIONAL HIGH SCHOOL MEDIA CENTER

25 NEWTON ROAD

WOODBRIDGE, CT 065525 205-0046 A

ISSUED FOR BID: 05/01/26

23.195

11/07/2025

As indicated

5/1 9/2

6 1

0:2 8:2

3 A

MM021

MECH FIRST FLOOR PIPING DEMO PART

PLAN

M. Burwell/ W. Yaremich

1/8" = 1'-0"1 FIRST FLOOR PIPING DEMO PART PLAN

1 3

1 ADDENDUM #2 05/19/2026 M. BURWELL