5-260327 - IFB Drawings HVAC and Electrical.pdf

PDF 8 MB Posted Mar 30, 2026

Attached to: West Chester Pike Sewer Extension
Solicitation number: Not on record
Issued by: Chester County, Pennsylvania

About this file

Written by GovTribe AI · Apr 6, 2026

This is a set of HVAC and Electrical construction drawings issued for bidding by Willistown Township for the Police Building HVAC System Replacement project located at 688 Sugartown Road, Malvern, Pennsylvania. The drawings, prepared by Keystone Engineering Group and issued on March 30, 2026, serve as part of the bidding documents for the replacement and upgrade of the existing HVAC system at the township police facility. Sealed bids for the project will be received online via PennBID until April 21, 2026, at 1:00 PM local time, with bids opened and made public immediately following the submission deadline. All bidding documents, including addenda and other project information, are available exclusively through the PennBID website at https://pennbid.net/, with periodic updates provided to registered plan holders.

Each bid submission must be accompanied by a bid bond in the amount of not less than ten percent of the total bid amount. The successful bidder will be required to provide Performance and Payment Bonds equal to one hundred percent of the contract price, along with necessary insurance documentation. All bidders must complete the anti-collusion affidavit included in the bid documents package. This project is subject to the Pennsylvania Prevailing Wage Act, requiring that all workmen employed on the project receive prevailing minimum wage rates as established by the Pennsylvania Secretary of Labor. No specific budget range or funding source is stated in the available documentation.

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2-02 - Technicial Specifications.pdf	PDF	Jul 7, 2026
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1-Lancaster Ave Interconnect GLG Plan Set.pdf	PDF	Jun 16, 2026
3-Division-23 - Heating, Ventilating, and Air-Conditioning (HVAC).pdf	PDF	Mar 30, 2026
2-Division-01 - General Requirements.pdf	PDF	Mar 30, 2026
1-Division-26 - Electrical.pdf	PDF	Mar 30, 2026
4-Division-00 - Front End Specifications.pdf	PDF	Mar 30, 2026
6-24-5573.00 ADDENDUM NO 4.pdf	PDF	Jul 31, 2025
5-24-5573.00 ADDENDUM NO 3.pdf	PDF	Jul 31, 2025
1-24-5573.00 Project Manual.pdf	PDF	Jul 31, 2025
3-24-5573.00 ADDENDUM NO 1.pdf	PDF	Jul 31, 2025
2-24-5573.00 Televising Maps.pdf	PDF	Jul 31, 2025
4-24-5573.00 ADDENDUM NO 2.pdf	PDF	Jul 31, 2025

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Drawing No.

Approved By:

Drawn By:

Scale:

Date:

P R O J E C T

No. ISSUED FOR / REVISION DESCRIPTION DATEAPPROVEDDRAWN

X X X

WILLISTOWN TOWNSHIP

POLICE BUILDING HVAC

688 SUGARTOWN ROAD, MALVERN, PA 19355

Frazer, Pennsylvania

(610) 407-4100 kegi.net

Keystone E N G I N E E R I N G G R O U P

THIS DRAWING IS ISSUED FOR

BIDDING

3/30/26CJB PJSISSUED FOR BID0

CJB

PJS

8/4/25

NOTED

H001

HVAC

LEGENDS AND SYMBOLS

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PAUL J SCANSAROLI

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PE051609-E

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ENGINEER

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PROFESSIONAL

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REGISTERED

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DIRECTION OF FLOW

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DIRECTION OF PITCH

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ECCENTRIC REDUCER OR INCREASER

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CONCENTRIC REDUCER OR INCREASER

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PIPE RISING UP

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PIPE DROPPING DOWN

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BOTTOM TEE

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CAP

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FLEXIBLE PIPE CONNECTION

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THERMOMETER

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PRESSURE GAUGE

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UNION (<2-1/2") OR FLANGE (>2")

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DOUBLE LINE

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SINGLE LINE

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1-WAY BLOW DIFFUSER (CD)

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2-WAY CORNER BLOW DIFFUSER (CD)

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2-WAY BLOW DIFFUSER (CD)

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RETURN AIR REGISTER (RAR)

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LINEAR DIFFUSER (LD)

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4-WAY BLOW DIFFUSER (CD)

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3-WAY BLOW DIFFUSER (CD)

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LINEAR RETURN (LR)

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ROUND DIFFUSER (CD)

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SHEET NOTE DESIGNATION

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DEMOLITION NOTE DESIGNATION

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TO BE DEMOLISHED

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EQUIPMENT TAG

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BUILDING NUMBER - IF APPLICABLE

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XX - YY - ZZ

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EQUIPMENT TYPE, SEE EQUIPMENT SCHEDULES

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EQUIPMENT TAG NUMBER FOR BUILDING

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LINE 1

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LINE 3

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LINE 2

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LINE 1

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LINE 2

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AIR DEVICE CALL OUT BOX LINE 1 = AIR DEVICE TAG LINE 2 = CFM LINE 3 = SIZE

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POINT BETWEEN EXISTING WORK TO REMAIN AND EXISTING WORK TO BE REMOVED

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POINT OF CONNECTION BETWEEN NEW WORK AND EXISTING WORK

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DUCTWORK SYMBOLS

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ABBREVIATIONS

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AIR CONDITIONING

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LOUVER

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ACC

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AIR COOLED CONDENSER

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LB.

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POUNDS

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ACCESS DOOR

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LB/HR

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POUNDS PER HOUR

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AHU

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AIR HANDLING UNIT

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LINEAR DIFFUSER

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ACCESS PANEL

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LOW PRESSURE

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AIR SEPARATOR

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LPC

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LOW PRESSURE CONDENSATE

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BOILER

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LPS

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LOW PRESSURE STEAM

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BFP

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BOILER FEED PUMP

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MIXED AIR

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BOD

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BOTTOM OF DUCT

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MAX.

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MAXIMUM

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BTU

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BRITISH THERMAL UNITS

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MBH

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1000 BTU

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CAD

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CLEAN AGENT DAMPER

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MIN.

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MINIMUM

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COOLING COIL

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MOCB

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MAXIMUM OVERCURRENT CIRCUIT BREAKER

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CEILING DIFFUSER

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MOD

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MOTOR OPERATED DAMPER

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CFM

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CUBIC FEET PER MINUTE

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MEDIUM PRESSURE

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CHILLER

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MPC

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MEDIUM PRESSURE CONDENSATE

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CHWP

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CHILLED WATER PUMP

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MPS

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MEDIUM PRESSURE STEAM

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CHWR

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CHILLED WATER RETURN

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NEW

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CHWS

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CHILLED WATER SUPPLY

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NORMALLY CLOSED

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CONDENSATE PUMP

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NORMALLY OPEN

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CRAC

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COMPUTER ROOM AIR CONDITIONING UNIT

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OUTDOOR AIR

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COOLING TOWER

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OAI

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OUTSIDE INTAKE AIR

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CONDENSING UNIT

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ON CENTER

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COLD WATER

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OED

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OPEN END DUCT

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CWP

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CONDENSER WATER PUMP

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PUMP

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CWR

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CONDENSER WATER RETURN

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PUMPED CONDENSATE

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CWS

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CONDENSER WATER SUPPLY

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PCHP

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PROCESS CHILLER WATER PUMP

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DEGREES FAHRENHEIT

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PCHR

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PROCESS CHILLED WATER RETURN

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DRAIN

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PCHS

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PROCESS CHILLED WATER SUPPLY

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DRY COOLER

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PCHWP

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PRIMARY CHILLED WATER PUMP

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DOAS

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DEDICATED OUTDOOR AIR SYSTEM

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PCHWR

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PRIMARY CHILLED WATER RETURN

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DIFFERENTIAL PRESSURE SWITCH

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PHC

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PREHEAT COIL

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DTR

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DUAL TEMPERATURE RETURN

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PRV

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PRESSURE REDUCING VALVE

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DTS

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DUAL TEMPERATURE SUPPLY

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PSD

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PLENUM SLOT DIFFUSER

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DWG.

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DRAWING

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PSIG

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POUNDS PER SQUARE INCH

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EXISTING

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QTY.

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QUANTITY

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EXHAUST AIR

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RELOCATE

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EAV

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EXHAUST AIR VALVE

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RETURN AIR

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ELECTRIC BASEBOARD HEATER

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REL. HUM.

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RELATIVE HUMIDITY

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EXHAUST FAN

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RETURN FAN

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EXHAUST GRILLE

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RETURN GRILLE

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EXHAUST REGISTER

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RHC

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REHEAT COIL

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EXPANSION TANK

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REFRIGERANT LIQUID

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EUH

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ELECTRIC UNIT HEATER

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RPM

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REVOLUTIONS PER MINUTE

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FILTER

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RETURN REGISTER

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FIRE DAMPER

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REFRIGERANT SUCTION

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FLOW METER

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RWR

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RADIANT WATER RETURN

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FOP

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FUEL OIL PUMP

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RWS

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RADIANT WATER SUPPLY

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FOR

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FUEL OIL RETURN

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START/STOP

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FOS

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FUEL OIL SUPPLY

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SOUND ATTENUATOR

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FPM

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FEET PER MINUTE

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SUPPLY AIR

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FT.

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FEET

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SAV

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SUPPLY AIR VALVE

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FTU

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FAN TERMINAL UNIT

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SMR

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SNOWMELT RETURN

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FXC

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FLEXIBLE CONNECTION

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SMS

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SNOWMELT SUPPLY

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FREEZSTAT

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SUPPLY FAN

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GAGE

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SUPPLY GRILLE

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GPM

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GALLONS PER MINUTE

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SMOKE DETECTOR

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GWP

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GLYCOL WATER PUMP

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SUPPLY REGISTER

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GWR

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GLYCOL WATER RETURN

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SRV

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SAFETY RELIEF VALVE

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GWS

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GLYCOL WATER SUPPLY

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TRANSFER AIR

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HUMIDIFIER

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TDH

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TOTAL DYNAMIC HEAD

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HEATING COIL

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TEMP.

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TEMPERATURE

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HEAT PUMP

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TRANSFER GRILLE

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HP.

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HORSEPOWER

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TOD

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TOP OF DUCT

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HPC

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HIGH PRESSURE CONDENSATE

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TRD

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TRANSFER DUCT

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HPS

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HIGH PRESSURE STEAM

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TRG

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TOP RETURN GRILLE

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HUH

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HYDRONIC UNIT HEATER

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TSR

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TOP SUPPLY REGISTER

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HWP

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HOT WATER PUMP

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TYP.

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TYPICAL

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HWR

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HOT WATER RETURN

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UNIT HEATER

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HWS

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HOT WATER SUPPLY

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VENT

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HEAT EXCHANGER

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VAV

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VARIABLE AIR VOLUME

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IN.

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INCHES

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VOLUME DAMPER

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KILOWATT

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WATER GAGE

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WMS

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WIRE MESH SCREEN (316SS)

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LINED TRANSFER AIR DUCT

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FLEXIBLE DUCTWORK

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ACCESS DOOR (AD)

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ACCESS PANEL (AP)

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90° SPLIT TEE

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45° BRANCH TAKE-OFF TO DIFFUSER

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45° BRANCH TAKE-OFF

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RADIUSED ELBOW

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VANED ELBOW

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FLEXIBLE CONNECTION (FXC)

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FIRE DAMPER (FD)

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VOLUME DAMPER (VD)

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TRANSITION (RECTANGULAR TO ROUND)

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TRANSITION (RECTANGULAR)

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DUCT DOWN

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DUCT UP

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RISE IN DUCT ELEVATION

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DROP IN DUCT ELEVATION

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HIDDEN WORK

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EXISTING WORK TO REMAIN

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NEW WORK

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WALL MOUNTED HUMIDITY SENSOR

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WALL MOUNTED THERMOSTAT

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WALL MOUNTED OXYGEN SENSOR

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WALL MOUNTED METHANE SENSOR

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WALL MOUNTED CARBON DIOXIDE SENSOR

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DUCT MOUNTED FLOW SENSOR/SWITCH

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SMOKE DETECTOR

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DIFFERENTIAL PRESSURE SENSOR

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CO 2

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CONTROL DEVICE SYMBOLS

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EQUIPMENT TAG LEGEND

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REFERENCE SYMBOLS

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DETAIL LETTER/NUMBER DESIGNATION DRAWING NUMBER CONTAINING DETAIL

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SECTION LETTER/NUMBER DESIGNATION DRAWING NUMBER CONTAINING SECTION

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VALVE SYMBOLS

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SHUTOFF/ISOLATION VALVE

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GLOBE VALVE

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GATE VALVE

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BALL VALVE

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BUTTERFLY VALVE

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SWING CHECK VALVE

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LIFT CHECK VALVE

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PLUG VALVE

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GAS COCK VALVE

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CIRCUIT SETTER VALVE

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TRIPLE DUTY VALVE

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STRAINER WITH BLOWOFF VALVE

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2-WAY CONTROL VALVE

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3-WAY CONTROL VALVE

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SOLENOID VALVE

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PRESSURE REDUCTING VALVE

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SAFETY RELIEF VALVE

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FLOW CHECK VALVE

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AIR DEVICE LEGEND

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FITTING SYMBOLS

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EXHAUST AIR REGISTER (EAR)

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SUPPLY AIR REGISTER (SAR)

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CURRENT SENSOR

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AUTOMATIC FLOW VALVE

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QUICK CLOSING VALVE

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CONTROL DIAGRAM LEGEND

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SUPPLY/RETURN AIR DIRECTION

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AIRFLOW ARROW

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EXTERIOR FAN

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INLINE FAN

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GRAVITY DAMPER

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MOTORIZED DAMPER

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FIXED LOUVER

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MOTOR OPERATED LOUVER

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INTERIOR FAN

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DRAWING SET INDEX

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DRAWING NUMBER

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DRAWING NAME

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HVAC - LEGENDS AND SYMBOLS

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HVAC - GENERAL NOTES

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HD101

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HVAC - PHASE 1 FIRST FLOOR PLANS - DEMOLITION

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HD102

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HVAC - PHASE 1 ROOF PLAN - DEMOLITION

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HVAC - PHASE 1 FIRST FLOOR PLANS - NEW WORK

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HVAC - PHASE 1 ROOF PLAN - NEW WORK

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HD201

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HVAC - PHASE 2 FIRST FLOOR PLANS - DEMOLITION

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HD202

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HVAC - PHASE 2 ROOF PLAN - DEMOLITION

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HVAC - PHASE 2 FIRST FLOOR PLANS - NEW WORK

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HVAC - PHASE 2 ROOF PLAN - NEW WORK

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HVAC - VRF SYSTEM WIRING

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HVAC - VRF SYSTEM PIPING

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HVAC - DATA SCHEDULES

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HVAC - DETAILS

Drawn By:

Scale:

Date:

P R O J E C T

No. ISSUED FOR / REVISION DESCRIPTION DATEAPPROVEDDRAWN

X X X

WILLISTOWN TOWNSHIP

POLICE BUILDING HVAC

688 SUGARTOWN ROAD, MALVERN, PA 19355

Frazer, Pennsylvania

(610) 407-4100 kegi.net

Keystone E N G I N E E R I N G G R O U P

THIS DRAWING IS ISSUED FOR

BIDDING

3/30/26CJB PJSISSUED FOR BID0

CJB

PJS

8/4/25

NOTED

H002

HVAC

GENERAL NOTES

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PAUL J SCANSAROLI

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PE051609-E

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ENGINEER

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PROFESSIONAL

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REGISTERED

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AutoCAD SHX Text GENERAL NOTES: 1. ALL MECHANICAL EQUIPMENT AND INSTALLATIONS SHALL CONFORM WITH THE ALL MECHANICAL EQUIPMENT AND INSTALLATIONS SHALL CONFORM WITH THE REQUIREMENTS OF THE LATEST APPLICABLE VERSION OF THE INTERNATIONAL MECHANICAL CODE (IMC), NFPA 90A, INTERNATIONAL BUILDING CODE (IBC), INTERNATIONAL ENERGY CONSERVATION CODE (IECC), AS ADOPTED BY THE AUTHORITY HAVING JURISDICTION (AHJ) AND UNDERWRITERS LABORATORIES (UL). 2. PRIOR TO PURCHASING ANY MATERIALS OR COMMENCING WORK, CONTRACTOR SHALL FIELD PRIOR TO PURCHASING ANY MATERIALS OR COMMENCING WORK, CONTRACTOR SHALL FIELD VERIFY ALL EXISTING CONDITIONS, DUCTWORK SIZES AND LOCATIONS, EQUIPMENT, ETC. SHOWN ON THE DRAWINGS OR AFFECTING THIS WORK AND SHALL REPORT ANY DISCREPANCIES TO THE ENGINEER IN WRITING. 3. ALL DRAWINGS ARE DIAGRAMMATIC AND INDICATE GENERAL ARRANGEMENTS, APPROXIMATE ALL DRAWINGS ARE DIAGRAMMATIC AND INDICATE GENERAL ARRANGEMENTS, APPROXIMATE SIZES, AND RELATIVE LOCATIONS OF PRINCIPAL ELEMENTS. PROVIDE OFFSETS AS REQUIRED FOR COORDINATED INSTALLATIONS. PROVIDE EQUIPMENT, MATERIALS, AND METHODS NOT SHOWN OR SPECIFIED, BUT REQUIRED TO COMPLETE THE WORK. DO NOT SCALE DRAWINGS FOR DIMENSIONS. 4. PROVIDE ALL LABOR, MATERIAL, AND EQUIPMENT REQUIRED TO PROVIDE FULLY PROVIDE ALL LABOR, MATERIAL, AND EQUIPMENT REQUIRED TO PROVIDE FULLY OPERATIONAL SYSTEMS. 5. ALL MECHANICAL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE ALL MECHANICAL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS. 6. LONG LINE REFRIGERANT PIPING APPLICATIONS SHALL BE INSTALLED IN ACCORDANCE WITH LONG LINE REFRIGERANT PIPING APPLICATIONS SHALL BE INSTALLED IN ACCORDANCE WITH THE UNIT MANUFACTURER'S RECOMMENDATIONS. 7. DUCTWORK VISIBLE THROUGH AIR DEVICES SHALL BE PAINTED FLAT BLACK. DUCTWORK VISIBLE THROUGH AIR DEVICES SHALL BE PAINTED FLAT BLACK. 8. CONTRACTOR SHALL COORDINATE THE INSTALLATION OF ALL MECHANICAL EQUIPMENT, CONTRACTOR SHALL COORDINATE THE INSTALLATION OF ALL MECHANICAL EQUIPMENT, DUCTWORK, PIPING ETC. TO FIT WITHIN THE SPACE ALLOWED BY THE ARCHITECTURAL AND STRUCTURAL CONDITIONS. CUTTING OR ALTERING ANY STRUCTURAL MEMBERS SHALL NOT BE PERMITTED WITHOUT WRITTEN PERMISSION FROM THE ENGINEER. 9. DO NOT INSTALL PIPING OVER, AROUND, IN FRONT OF, IN BACK OF, OR BELOW DO NOT INSTALL PIPING OVER, AROUND, IN FRONT OF, IN BACK OF, OR BELOW ELECTRICAL CONTROLS, PANELS, SWITCHES, TERMINAL BOXES, OR SIMILAR ELECTRICAL EQUIPMENT. DRIP PANS ARE NOT PERMITTED. 10. DO NOT ALLOW EQUIPMENT, PIPING OR DUCTWORK TO INFRINGE UPON WORKING DO NOT ALLOW EQUIPMENT, PIPING OR DUCTWORK TO INFRINGE UPON WORKING CLEARANCES REQUIRED BY NEC. 11. DO NOT INSTALL PIPING, DUCTWORK OR EQUIPMENT FOREIGN TO ELECTRICAL EQUIPMENT DO NOT INSTALL PIPING, DUCTWORK OR EQUIPMENT FOREIGN TO ELECTRICAL EQUIPMENT ROOMS AND TELECOMMUNICATION CLOSETS IN THESE SPACES. 12. POSITION ALL MECHANICAL WORK FOR EASY UNOBSTRUCTED MAINTENANCE ACCESS AND POSITION ALL MECHANICAL WORK FOR EASY UNOBSTRUCTED MAINTENANCE ACCESS AND OPERATION. 13. WORK WILL OCCUR IN AND AROUND OWNER OPERATIONS. PROVIDE MINIMUM ONE WEEK WORK WILL OCCUR IN AND AROUND OWNER OPERATIONS. PROVIDE MINIMUM ONE WEEK NOTICE FOR SHUTDOWNS TO ANY SYSTEMS. THE OWNER WILL REQUIRE ACCESS TO ALL SPACES IN THE BUILDING, BUT WILL LIMIT THAT ACCESS IN WORK AREAS TO THE FULLEST EXTENT POSSIBLE. 14. THE TERM "FURNISH" SHALL MEAN TO OBTAIN AND DELIVER TO THE JOB SITE. THE TERM THE TERM "FURNISH" SHALL MEAN TO OBTAIN AND DELIVER TO THE JOB SITE. THE TERM "INSTALL" SHALL MEAN TO UNPACK, STORE, ASSEMBLE, FIX IN POSITION, AND CONNECT FOR USE. THE TERM "PROVIDE" SHALL MEAN TO FURNISH AND INSTALL. THE TERM "CONTRACTOR" SHALL MEAN THE MECHANICAL CONTRACTOR OR ANY MECHANICAL SUBCONTRACTOR. 15. THE CONTRACTOR SHALL ENSURE THAT ALL RULES AND REGULATIONS, INCLUDING THOSE THE CONTRACTOR SHALL ENSURE THAT ALL RULES AND REGULATIONS, INCLUDING THOSE WHICH MAY BE ISSUED BY THE OWNER, ARE BEING OBSERVED. 16. THE CONTRACTOR SHALL INSTALL SIGNAGE TO PROVIDE WARNINGS IN CONSTRUCTION THE CONTRACTOR SHALL INSTALL SIGNAGE TO PROVIDE WARNINGS IN CONSTRUCTION AREAS. 17. THE CONTRACTOR SHALL INSTALL TEMPORARY BARRIERS TO PROTECT EXISTING FINISHES THE CONTRACTOR SHALL INSTALL TEMPORARY BARRIERS TO PROTECT EXISTING FINISHES AND PREVENT MIGRATION OF DUST TO AREAS WHERE WORK IS NOT CURRENTLY BEING INSTALLED. 18. THE CONTRACTOR SHALL INCLUDE THE REMOVAL AND REINSTALLATION OF EXISTING THE CONTRACTOR SHALL INCLUDE THE REMOVAL AND REINSTALLATION OF EXISTING CEILINGS AS REQUIRED IN THEIR BID. ANY CEILING GRID, TILES OR DRYWALL THAT IS DAMAGED IS TO BE REPLACED AND PAINTED TO MATCH EXISTING BY THE CONTRACTOR AT NO EXPENSE TO THE OWNER. 19. EACH CONTRACTOR SHALL COORDINATE ITS OPERATIONS WITH OPERATIONS OF OTHER EACH CONTRACTOR SHALL COORDINATE ITS OPERATIONS WITH OPERATIONS OF OTHER TRADE CONTRACTORS THAT DEPEND ON EACH OTHER FOR PROPER INSTALLATION, CONNECTION AND OPERATION. 20. UNLESS THE CONTRACT DOCUMENTS INCLUDE MORE STRINGENT REQUIREMENTS, UNLESS THE CONTRACT DOCUMENTS INCLUDE MORE STRINGENT REQUIREMENTS, APPLICABLE CONSTRUCTION INDUSTRY STANDARDS HAVE THE SAME FORCE AND EFFECT AS IF COPIED DIRECTLY INTO THE CONTRACT DOCUMENTS TO THE EXTENT REFERENCE. SUCH STANDARDS ARE MADE PART OF THE CONTRACT DOCUMENTS BY REFERENCE. 21. COMPLY WITH STANDARDS IN EFFECT AS OF THE DATE OF THE CONTRACT DOCUMENTS COMPLY WITH STANDARDS IN EFFECT AS OF THE DATE OF THE CONTRACT DOCUMENTS UNLESS OTHERWISE INDICATED. 22. THE CONTRACTOR SHALL BE FAMILIAR WITH INDUSTRY STANDARDS APPLICABLE TO ITS THE CONTRACTOR SHALL BE FAMILIAR WITH INDUSTRY STANDARDS APPLICABLE TO ITS CONSTRUCTION ACTIVITY. WHERE COPIES OF STANDARDS ARE NEEDED TO PERFORM A REQUIRED CONSTRUCTION ACTIVITY, OBTAIN COPIES DIRECTLY FROM PUBLICATION SOURCE. 23. THE CONTRACTOR SHALL COMPLY WITH ALL LAWS, ORDINANCES, STATUTES AND LAWFUL THE CONTRACTOR SHALL COMPLY WITH ALL LAWS, ORDINANCES, STATUTES AND LAWFUL ORDERS ISSUED BY AUTHORITIES HAVING JURISDICTION AND RULES, CONVENTIONS, AND AGREEMENTS WITHIN THE CONSTRUCTION INDUSTRY THAT CONTROL THE PERFORMANCE OF THE WORK. 24. THE PRODUCTS SHOWN ON THE DRAWINGS ARE BASED ON A SPECIFIC MANUFACTURER, THE PRODUCTS SHOWN ON THE DRAWINGS ARE BASED ON A SPECIFIC MANUFACTURER, MAKE, AND MODEL. THESE PRODUCTS ESTABLISH SIGNIFICANT QUALITIES RELATED TO TYPE, FUNCTION, DIMENSION, IN-SERVICE PERFORMANCE, PHYSICAL PROPERTIES, APPEARANCE, AND OTHER CHARACTERISTICS FOR PURPOSES OF EVALUATING PRODUCTS OF OTHER NAMED MANUFACTURERS. 25. THE CONTRACTOR SHALL DELIVER, STORE, AND HANDLE PRODUCTS USING MEANS AND THE CONTRACTOR SHALL DELIVER, STORE, AND HANDLE PRODUCTS USING MEANS AND METHODS THAT WILL PREVENT DAMAGE, DETERIORATION, AND LOSS. COMPLY WITH MANUFACTURER'S WRITTEN INSTRUCTIONS. THE CONTRACTOR SHALL STORE MATERIALS IN A MANNER THAT WILL NOT ENDANGER PROJECT STRUCTURE. 26. THE CONTRACTOR MAY NOT STORE MATERIALS, EQUIPMENT, TOOLS, ETC IN OCCUPIED THE CONTRACTOR MAY NOT STORE MATERIALS, EQUIPMENT, TOOLS, ETC IN OCCUPIED AREAS OF THE OWNER'S EXISTING BUILDING. 27. THE CONTRACTOR SHALL COMPLETE OR CORRECT ALL WORK IDENTIFIED AS NOT THE CONTRACTOR SHALL COMPLETE OR CORRECT ALL WORK IDENTIFIED AS NOT CONFORMING TO THE CONTRACT DOCUMENTS. 28. PROVIDE PERMANENT IDENTIFICATION LABELS FOR ALL NEW EQUIPMENT PROVIDE PERMANENT IDENTIFICATION LABELS FOR ALL NEW EQUIPMENT 29. THE CONTRACTOR SHALL TRAIN OWNER'S PERSONNEL IN THE OPERATION, EMERGENCY THE CONTRACTOR SHALL TRAIN OWNER'S PERSONNEL IN THE OPERATION, EMERGENCY PROCEDURES, ADJUSTMENT TROUBLESHOOTING, MAINTENANCE AND REPAIR OF EACH PIECE OF EQUIPMENT. 30. THE CONTRACTOR SHALL TAKE FIELD MEASUREMENTS AS REQUIRED TO FIT THE WORK THE CONTRACTOR SHALL TAKE FIELD MEASUREMENTS AS REQUIRED TO FIT THE WORK PROPERLY. WHERE PORTIONS OF THE WORK ARE INDICATED TO FIT TO OTHER CONSTRUCTION, VERIFY DIMENSIONS OF OTHER CONSTRUCTION BY FIELD MEASUREMENTS BEFORE FABRICATION. 31. THE CONTRACTOR SHALL INSTALL VERTICAL WORK PLUMB AND HORIZONTAL WORK LEVEL THE CONTRACTOR SHALL INSTALL VERTICAL WORK PLUMB AND HORIZONTAL WORK LEVEL UNLESS OTHERWISE INDICATED. WHERE SPACE IS LIMITED, INSTALL COMPONENTS TO MAXIMIZE SPACE AVAILABLE FOR MAINTENANCE AND EASE OF REMOVAL FOR REPLACEMENT. 32. PIPES, DUCTS, WIRING, ETC, IS NOT TO BE INSTALLED IN FINISHED AREAS UNLESS PIPES, DUCTS, WIRING, ETC, IS NOT TO BE INSTALLED IN FINISHED AREAS UNLESS OTHERWISE INDICATED. 33. MAINTAIN MINIMUM HEADROOM CLEARANCE OF 8'-0" IN SPACES WITHOUT CEILINGS. MAINTAIN MINIMUM HEADROOM CLEARANCE OF 8'-0" IN SPACES WITHOUT CEILINGS. 34. THE CONTRACTOR SHALL COMPLY WITH MANUFACTURER'S WRITTEN INSTRUCTIONS AND THE CONTRACTOR SHALL COMPLY WITH MANUFACTURER'S WRITTEN INSTRUCTIONS AND RECOMMENDATIONS FOR INSTALLING PRODUCTS IN APPLICATIONS INDICATED. 35. PROVIDE VIBRATION ISOLATORS FOR MOTOR DRIVEN MECHANICAL EQUIPMENT UNLESS PROVIDE VIBRATION ISOLATORS FOR MOTOR DRIVEN MECHANICAL EQUIPMENT UNLESS SPECIFICALLY NOTED OTHERWISE. PROVIDE ISOLATION AS RECOMMENDED BY THE EQUIPMENT MANUFACTURERS. 36. GENERAL CONTROL WIRING, THERMOSTATS, MOTORIZED DAMPERS AND CONDUIT ASSOCIATE GENERAL CONTROL WIRING, THERMOSTATS, MOTORIZED DAMPERS AND CONDUIT ASSOCIATE WITH HVAC EQUIPMENT IS THE RESPONSIBILITY OF THE CONTRACTOR. INSTALL THERMOSTATS CENTERED AT 4'-0" ABOVE FINISHED FLOOR, UNLESS OTHERWISE INDICATED. 37. ALL DIMENSIONS SHOWN ON THE DRAWINGS FOR DUCTWORK ARE NET INSIDE CLEAR ALL DIMENSIONS SHOWN ON THE DRAWINGS FOR DUCTWORK ARE NET INSIDE CLEAR DIMENSIONS. THE FIRST FIGURE OF THE DUCT SIZE INDICATES THE DIMENSION OF THE FACE SHOWN. VERIFY THAT THE DUCTWORK SPECIFIED WILL FIT IN THE SPACE AVAILABLE PRIOR TO FABRICATION AND INSTALLATION. 38. PROVIDE TURNING VANES ON ALL RECTANGULAR SUPPLY, RETURN AND EXHAUST PROVIDE TURNING VANES ON ALL RECTANGULAR SUPPLY, RETURN AND EXHAUST DUCTWORK INCLUDING THE TOP AND BOTTOM OF VERTICAL DUCTS. 39. PROVIDE A LOCKING QUADRANT VOLUME DAMPER AT THE TOP OF EACH RUN-OUT TO PROVIDE A LOCKING QUADRANT VOLUME DAMPER AT THE TOP OF EACH RUN-OUT TO DIFFUSERS OR EQUIPMENT CONNECTIONS FOR BALANCING PURPOSES, UNLESS OTHERWISE INDICATED. 40. THE CONTRACTOR SHALL EXPAND OR REDUCE DUCTS AT EQUIPMENT CONNECTIONS BASED THE CONTRACTOR SHALL EXPAND OR REDUCE DUCTS AT EQUIPMENT CONNECTIONS BASED ON THE EQUIPMENT PURCHASED, WITH TRANSITIONS NOT TO EXCEED 30 DEGREES. SIZES SHOWN ON SCHEDULES, ETC., ARE FOR GUIDANCE ONLY. ASPECT RATIO SHALL BE NO GREATER THAN 4:1, PER SMACNA GUIDELINES. 41. CONTRACTOR SHALL PROVIDE HIGH EFFICIENCY FILTER FABRIC OVER ALL SUPPLY, RETURN CONTRACTOR SHALL PROVIDE HIGH EFFICIENCY FILTER FABRIC OVER ALL SUPPLY, RETURN AND EXHAUST AIR OPENINGS DURING CONSTRUCTION. HVAC UNITS, EQUIPMENT AND DUCTWORK SHALL BE CLEANED OF ANY CONSTRUCTION DUST PRIOR TO OWNER'S OPERATION. 42. ALL HANDLING UNITS SHALL OPERATE WITHOUT MOISTURE CARRYOVER. ALL HANDLING UNITS SHALL OPERATE WITHOUT MOISTURE CARRYOVER. 43. LOCATE ALL MECHANICAL EQUIPMENT FOR UNOBSTRUCTED ACCESS TO UNIT ACCESS LOCATE ALL MECHANICAL EQUIPMENT FOR UNOBSTRUCTED ACCESS TO UNIT ACCESS PANELS, CONTROLS, AND VALVING. 44. PROVIDE FLEXIBLE CONNECTIONS IN ALL DUCTWORK SYSTEMS (SUPPLY, RETURN, AND PROVIDE FLEXIBLE CONNECTIONS IN ALL DUCTWORK SYSTEMS (SUPPLY, RETURN, AND EXHAUST) CONNECTED TO AIR HANDLING UNITS, FANS AND OTHER EQUIPMENT THAT REQUIRE VIBRATION ISOLATION. FLEXIBLE CONNECTIONS SHALL BE PROVIDED AT THE POINT OF CONNECTION TO THE EQUIPMENT UNLESS OTHERWISE INDICATED. 45. ALL DUCTWORK SHALL BE COORDINATED WITH ALL TRADES INVOLVED. OFFSETS IN DUCTS, 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. 46. ALL DUCTS SHALL BE GROUNDED ACROSS FLEXIBLE CONNECTIONS WITH FLEXIBLE COPPER ALL DUCTS SHALL BE GROUNDED ACROSS FLEXIBLE CONNECTIONS WITH FLEXIBLE COPPER GROUNDING STRAPS. GROUNDING STRAPS SHALL BE BOLTED OR SOLDERED TO BOTH THE EQUIPMENT AND THE DUCT. 47. CERTAIN ITEMS SUCH AS RISES AND DROPS IN DUCTWORK, ACCESS DOORS, VOLUME CERTAIN ITEMS SUCH AS RISES AND DROPS IN DUCTWORK, ACCESS DOORS, VOLUME DAMPERS, ETC., ARE INDICATED ON THE CONTRACT DOCUMENT DRAWINGS FOR CLARITY FOR A SPECIFIC LOCATION REQUIREMENT AND SHALL NOT BE INTERPRETED AS THE EXTENT OF THE REQUIREMENTS FOR THESE ITEMS. 48. ALL DUCTWORK SHALL CLEAR DOORS AND WINDOWS. ALL DUCTWORK SHALL CLEAR DOORS AND WINDOWS. 49. COORDINATE NEW DIFFUSER, REGISTER, AND GRILLE LOCATIONS WITH THE EXISTING CEILING, COORDINATE NEW DIFFUSER, REGISTER, AND GRILLE LOCATIONS WITH THE EXISTING CEILING, 50. ALL AIR CONDITIONING CONDENSATE DRAIN LINES FROM EACH UNIT SHALL BE PIPED FULL ALL AIR CONDITIONING CONDENSATE DRAIN LINES FROM EACH UNIT SHALL BE PIPED FULL SIZE OF THE UNIT DRAIN OUTLET, WITH "P" TRAP AND PIPED TO THE NEAREST DRAIN. SEE THE DETAILS SHOWN IN THE DRAWINGS OR THE CONTRACT SPECIFICATIONS FOR THE DEPTH OF THE AIR CONDITIONING CONDENSATE TRAP. 51. ALL TESTS SHALL BE COMPLETED BEFORE ANY MECHANICAL EQUIPMENT OR PIPING ALL TESTS SHALL BE COMPLETED BEFORE ANY MECHANICAL EQUIPMENT OR PIPING INSULATION IS APPLIED. 52. WHERE TWO OR MORE ITEMS OF THE SAME TYPE OF EQUIPMENT ARE REQUIRED, THE WHERE TWO OR MORE ITEMS OF THE SAME TYPE OF EQUIPMENT ARE REQUIRED, THE PRODUCT OF ONE MANUFACTURER SHALL BE USED. 53. COORDINATE ALL EQUIPMENT CONNECTIONS WITH MANUFACTURERS' CERTIFIED DRAWINGS. COORDINATE ALL EQUIPMENT CONNECTIONS WITH MANUFACTURERS' CERTIFIED DRAWINGS. COORDINATE AND PROVIDE ALL DUCT AND PIPING TRANSITIONS REQUIRED FOR FINAL EQUIPMENT CONNECTIONS TO FURNISHED EQUIPMENT. FIELD VERIFY AND COORDINATE ALL DUCT AND PIPING DIMENSIONS BEFORE FABRICATION. 54. ALL CONTROL WIRE AND CONDUIT SHALL COMPLY WITH THE NATIONAL ELECTRIC CODE AND ALL CONTROL WIRE AND CONDUIT SHALL COMPLY WITH THE NATIONAL ELECTRIC CODE AND DIVISION 26 OF THE SPECIFICATION. 55. WHEN ANY MECHANICAL WORK IS SUBCONTRACTED, IT SHALL BE THE MECHANICAL WHEN ANY MECHANICAL WORK IS SUBCONTRACTED, IT SHALL BE THE MECHANICAL CONTRACTOR'S RESPONSIBILITY TO COORDINATE SUBCONTRACTORS ACTIVITIES, SCOPE AND ACCESS TO THE SPACE. 56. ALL MISCELLANEOUS STEEL REQUIRED TO ENSURE PROPER INSTALLATION AND AS SHOWN ALL MISCELLANEOUS STEEL REQUIRED TO ENSURE PROPER INSTALLATION AND AS SHOWN IN DETAILS FOR PIPING, DUCTWORK, AND EQUIPMENT (UNLESS OTHERWISE NOTED) SHALL

PHASING:

Drawn By:

Scale:

Date:

P R O J E C T

No. ISSUED FOR / REVISION DESCRIPTION DATEAPPROVEDDRAWN

X X X

WILLISTOWN TOWNSHIP

POLICE BUILDING HVAC

688 SUGARTOWN ROAD, MALVERN, PA 19355

Frazer, Pennsylvania

(610) 407-4100 kegi.net

Keystone E N G I N E E R I N G G R O U P

THIS DRAWING IS ISSUED FOR

BIDDING

3/30/26CJB PJSISSUED FOR BID0

CJB

PJS

8/4/25

NOTED

HD101

HVAC - PHASE 1

FIRST FLOOR PLANS

DEMOLITION

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DATA/ELEC

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ARMORER

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ARMORY

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KITCHEN/BREAK

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WAITING

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VESTIBULE

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CONFERENCE

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INTERVIEW/

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LAB

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CRIME

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STORAGE

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EVIDENCE

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VESTIBULE

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TLT

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TLT

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TLT

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TLT

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PAUL J SCANSAROLI

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PE051609-E

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ENGINEER

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PROFESSIONAL

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REGISTERED

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MECHANICAL FLOOR PLAN UPPER LEVEL - PHASE 1 DEMOLITION

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

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MECHANICAL FLOOR PLAN LOWER LEVEL - PHASE 1 DEMOLITION

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

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KEYNOTES: 1. EXISTING 12x8 OUTSIDE AIR DUCT ABOVE, EXISTING 12x12 OUTSIDE EXISTING 12x8 OUTSIDE AIR DUCT ABOVE, EXISTING 12x12 OUTSIDE AIR DUCT BELOW. 2. REMOVE EXISTING ERV-1. REMOVE ASSOCIATED OUTSIDE AIR DUCT REMOVE EXISTING ERV-1. REMOVE ASSOCIATED OUTSIDE AIR DUCT FROM CONNECTION TO INTAKE PLENUM TO CONNECTION WITH DOAS-1. REMOVE ASSOCIATED EXHAUST DUCTWORK FROM FIRST BRANCH TO EXHAUST PLENUM. REMOVE ALL ASSOCIATED INSULATION AND CONTROLS. 3. REMOVE EXISTING ERV-2. REMOVE ASSOCIATED OUTSIDE AIR DUCT REMOVE EXISTING ERV-2. REMOVE ASSOCIATED OUTSIDE AIR DUCT FROM CONNECTION TO INTAKE PLENUM TO CONNECTION WITH DOAS-1. REMOVE ASSOCIATED EXHAUST DUCTWORK TO POINT SHOWN. REMOVE ALL ASSOCIATED INSULATION AND CONTROLS. 4. REMOVE EXISTING VRFC-1. REMOVE ASSOCIATED RETURN DUCT AND REMOVE EXISTING VRFC-1. REMOVE ASSOCIATED RETURN DUCT AND GRILLE. RETAIN RETURN GRILLE FOR REINSTALLATION. REMOVE ASSOCIATED OUTSIDE AIR CONNECTION. REMOVE ASSOCIATED SUPPLY DUCT AS REQUIRED FOR NEW INSTALLATION. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND THERMOSTAT. 5. REMOVE EXISTING VRFC-2. REMOVE ASSOCIATED SUPPLY AND REMOVE EXISTING VRFC-2. REMOVE ASSOCIATED SUPPLY AND RETURN DUCTS AS REQUIRED FOR NEW INSTALLATION. REMOVE ASSOCIATED OUTSIDE AIR CONNECTION. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND THERMOSTAT. 6. REMOVE EXISTING VRFC-3. REMOVE ASSOCIATED SUPPLY AND REMOVE EXISTING VRFC-3. REMOVE ASSOCIATED SUPPLY AND RETURN DUCTS AS REQUIRED FOR NEW INSTALLATION. REMOVE ASSOCIATED OUTSIDE AIR CONNECTION. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND THERMOSTAT. 7. REMOVE EXISTING CEILING CASSETTE VRFC-X. REMOVE ALL REMOVE EXISTING CEILING CASSETTE VRFC-X. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND THERMOSTAT. DISCONNECT EXISTING OUTSIDE AIR DUCT WHERE APPLICABLE. 8. REMOVE EXISTING VRFC-5. REMOVE ASSOCIATED SUPPLY AND REMOVE EXISTING VRFC-5. REMOVE ASSOCIATED SUPPLY AND RETURN DUCTS AS REQUIRED FOR NEW INSTALLATION. REMOVE ASSOCIATED OUTSIDE AIR CONNECTION. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND THERMOSTAT. 9. REMOVE EXISTING VRFC-18. REMOVE ALL ASSOCIATED REFRIGERANT REMOVE EXISTING VRFC-18. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, CONTROL WIRING AND THERMOSTAT. 10. REMOVE EXISTING DOAS-1. REMOVE OUTSIDE AIR INTAKE FROM REMOVE EXISTING DOAS-1. REMOVE OUTSIDE AIR INTAKE FROM (E)ERV-1/(E)ERV-2. REMOVE DISCHARGE DUCT TO POINT SHOWN. REMOVE ALL ASSOCIATED REFRIGERANT PIPING, CONDENSATE PIPING, INSULATION, CONTROL WIRING AND CONTROL DEVICES. 11. REMOVE EXISTING DEHUMIDIFICATION UNIT DHU-X. REMOVE REMOVE EXISTING DEHUMIDIFICATION UNIT DHU-X. REMOVE ASSOCIATED INTAKE AND DISCHARGE DUCT, CONDENSATE PIPING AND INSULATION. REMOVE EXISTING HUMIDISTAT. 12. EXISTING 8" OUTSIDE AIR DUCT ABOVE, EXISTING 10x12 EXHAUST EXISTING 8" OUTSIDE AIR DUCT ABOVE, EXISTING 10x12 EXHAUSTDUCT BELOW. 13. EXHAUST TO EXISTING EF-6EXHAUST TO EXISTING EF-6

Drawn By:

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Date:

P R O J E C T

No. ISSUED FOR / REVISION DESCRIPTION DATEAPPROVEDDRAWN

X X X

WILLISTOWN TOWNSHIP

POLICE BUILDING HVAC

688 SUGARTOWN ROAD, MALVERN, PA 19355

Frazer, Pennsylvania

(610) 407-4100 kegi.net

Keystone E N G I N E E R I N G G R O U P

THIS DRAWING IS ISSUED FOR

BIDDING

3/30/26CJB PJSISSUED FOR BID0

CJB

PJS

8/4/25

NOTED

HD102

HVAC - PHASE 1

ROOF PLAN

DEMOLITION

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(E)%%UEF-6

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(E)%%UEF-3

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(E)%%UVRCU-3

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(E)%%UVRCU-2

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(E)%%UVRCU-1

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(E)OAI

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(E)OAI

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(E)EXH

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(E)EXH

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(E)EXH

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(E)%%UDHU-3A

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(E)EF-9

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(E)EF-8

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(E)EF-7

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(E)EF-5

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(E)EF-4

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TO (E)ERV-2

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TO (E)ERV-1

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TO (E)DHU-3

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FROM (E)ERV-1

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TO (E)VRFC-1

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AutoCAD SHX Text KEYNOTES: 1. REMOVE EXISTING VRCU-2 (ASSOCIATED WITH VRFC REMOVE EXISTING VRCU-2 (ASSOCIATED WITH VRFC UNITS BEING REMOVED). REMOVE ASSOCIATED REFRIGERANT PIPING, INSULATION, CONTROL WIRING AND BRANCH SELECTOR BOXES. 2. REMOVE EXISTING VRCU-3 (ASSOCIATED WITH REMOVE EXISTING VRCU-3 (ASSOCIATED WITH (E)DOAS-1 BEING REMOVED). REMOVE ASSOCIATED REFRIGERANT PIPING, INSULATION AND CONTROL WIRING. 3. REMOVE OUTSIDE AIR DUCTS TO POINT OF CONNECTION REMOVE OUTSIDE AIR DUCTS TO POINT OF CONNECTION WITH PLENUM. OUTSIDE AIR PLENUM TO REMAIN. 4. REMOVE EXHAUST AIR DUCTS TO POINT OF CONNECTION REMOVE EXHAUST AIR DUCTS TO POINT OF CONNECTION WITH PLENUM. EXHAUST AIR PLENUM TO REMAIN. 5. REMOVE EXISTING DEHUMIDIFICATION UNIT DHU-2. REMOVE EXISTING DEHUMIDIFICATION UNIT DHU-2. REMOVE ASSOCIATED INTAKE AND DISCHARGE DUCT, CONDENSATE PIPING AND INSULATION. REMOVE EXISTING HUMIDISTAT.

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PAUL J SCANSAROLI

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PE051609-E

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ENGINEER

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PROFESSIONAL

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MECHANICAL PHASE 1 DEMOLITION PLAN - ROOF

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

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Drawn By:

Scale:

Date:

P R O J E C T

No. ISSUED FOR / REVISION DESCRIPTION DATEAPPROVEDDRAWN

X X X

WILLISTOWN TOWNSHIP

POLICE BUILDING HVAC

688 SUGARTOWN ROAD, MALVERN, PA 19355

Frazer, Pennsylvania

(610) 407-4100 kegi.net

Keystone E N G I N E E R I N G G R O U P

THIS DRAWING IS ISSUED FOR

BIDDING

3/30/26CJB PJSISSUED FOR BID0

CJB

PJS

8/4/25

NOTED

H101

HVAC - PHASE 1

FIRST FLOOR PLANS

NEW WORK

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(E)VRFC-9A

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(E)VRFC-9B

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(E)VRFC-10

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(E)VRFC-11

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(E)VRFC-12A

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(E)VRFC-12B

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(E)VRFC-13

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(E)VRFC-14

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(E)VRFC-15

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(E)VRFC-16

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(E)VRFC-17

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AH-18

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(E)EF-4

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(E)EF-5

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(E)EF-7

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(E)EF-8

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(E)EF-9

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(E)EF-10

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(E)EH-1

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(E)ECH-1

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55 CFM

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AH-1

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AH-2

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AH-3

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DOAS-1

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AH-8

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AH-19

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AH-4

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AH-7B

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AH-7A

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AH-6

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DOAS-2

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AH-5

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TO EXHAUST

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HOODS ON ROOF.

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(E)EF-11

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(E)EF-6

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(E)EF-3

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(E)VRFC-5

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AutoCAD SHX Text (E)10x8 EA TO (E)EF-6

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RA TO

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SA FROM

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FROM

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DOAS-1

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(E)VRFC-5

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TO DOAS-2

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8"%%COA

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OA INTAKE

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4"%%C OA

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6"%%C OA

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EF-1

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ADMIN

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CONFERENCE

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CHIEF

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DETECTIVES

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WOMEN'S LOCKER

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MEN'S LOCKER

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INTERVIEW

AutoCA…

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