Transmittal 11 - Mechanical Design Drawings (1).pdf

MATERIAL APPROVAL SUBMITTAL

TO: ACOE

CC: A&E, COR

FROM: Swan Contracting PROJECT TITLE: Replace Tecogen Chiller @ Barnes Building - Boston, MA

CONTRACT NUMBER:

W15QKN21D5018/W15QKN21F5410

(To be completed by the Contractor) Government Use Only

SUBMITTAL

NUMBER: 11

PREVIOUS SUBMITTAL NUMBER

(only if items listed were submitted previously):

A&E Recommendation

COR/EPM

Recommendation

Contracting Officer Approval/Disapproval

Line No.

Specification Sect.

Para No., Draw No.

Description of Material (Include type, model, mfg) APP DISAP

See Comments on Reverse APP DISAP

See Comments on Reverse APP DISAP

See Comments on

Reverse

1 236400 Mechanical Design Drawings

If an item is disapproved, a resubmittal is due within ________ calendar days of the Contracting Officer’s signature below.

Contractor (Ktr) A&E COR/EPM Contracting Officer TYPE or PRINT NAME & TITLE Stephen G. Guarracino

TYPE or PRINT NAME & TITLE TYPE or PRINT NAME & TITLE TYPE or PRINT NAME & TITLE

SIGNATURE: SIGNATURE: SIGNATURE: SIGNATURE:

DATE: DATE: DATE: DATE:

By completing this form, the above signed contractor certifies that the material complies with all specifications of the subject contract.

DATE RECEIVED FROM KTR: DATE RECEIVED FROM A&E: DATE RECEIVED FROM COR:

Material Approval Submittal Cover Sheet (11/2016)

4/6/2022

X

Lewis Rosenberg, RFOS

06 APR 2022

CONTRACT #: W15QKN21D5018/W15QKN21F5410

SUBMITTAL # 11 – Mechanical Design Drawings

COMMENTS

Instructions: Enter the initials of the individual making the comment, the Line Number of the item for which the comment is being made, and the comment.

Material Approval Submittal Cover Sheet (11/2016) (Reverse)

Swan Contracting 93 Old Greenfield Road Peterborough, New Hampshire 03458 P: 6033712261 F: 7813265263

Project: 460008 Rplc Tecogen w/ Electric Chiller, Barnes Bldg (W15QKN21F5410)

495 Summer Street Boston, Massachusetts 02110

Submittal #236400-8.0 - Mechanical Design Drawings 236400 - HVAC Chiller System

Revision 0 Submittal Manager Christopher Pray (Enfield Enterprises, LLC)

Status Open Date Created Apr 5, 2022

Issue Date Apr 5, 2022 Spec Section 236400 - HVAC Chiller System

Responsible Contractor

Enterprise Equipment Co, Inc. Received From Henry Corinha (Enterprise Equipment Co, Inc.)

Received Date Apr 5, 2022 Submit By Apr 5, 2022

Final Due Date Apr 19, 2022 Lead Time

Cost Code

Type Shop Drawings

Approvers Christopher Pray (Enfield Enterprises, LLC), Stephen Guarracino (Swan Contracting), Sharon Wilson-Emmons (US Army Contracting Command)

Ball in Court Sharon Wilson-Emmons (US Army Contracting Command)

Distribution

Description - Mechanical Design Drawings for the Chiller Replacement at the Barnes Building.

Submittal Workflow

Name Sent Date Due Date Returned Date Response Attachments

General Information Attachments

Barnes Chiller Mechanical Design Drawing Submittal.pdf

Christopher Pray Apr 5, 2022 Apr 5, 2022 Apr 5, 2022 Approved

Stephen Guarracino Apr 5, 2022 Apr 5, 2022 Apr 5, 2022 Approved

Sharon Wilson-Emmons Apr 5, 2022 Apr 19, 2022 Pending

Swan Contracting Page 1 of 1 Printed On: Apr 5, 2022 08:15 AM EDT https://app.procore.com/1813011/project/submittal_logs/document_downloader?attachment_id=3307523936&item_id=37352289&item_type=SubmittalLog&project_id=1813011&source=coversheet https://app.procore.com/1813011/project/submittal_logs/document_downloader?attachment_id=3307523936&item_id=37352289&item_type=SubmittalLog&project_id=1813011&source=coversheet

HVAC SCHEDULES

WATER COOLED CHILLER SCHEDULE

TAG No. MODEL No. TYPEMANUFACTURER

EWT °F

CHILLED WATER DATA ELECTRICAL DATA

HZVOLTS PH

WEIGHT

(LBS) REMARKSMOCPMCALWT °F GPM WPD (FT) EWT °F LWT °F GPM- CONDENSER FLUID TYPE

COOLING TOWER WATER DATA

CH-1 YORK YKCPCKQ6 WATER COOLED 55 45 837.5 17.1 85 94.2 1050 WATER 460 3 60 317 500 16,618 --

TOTAL COOLING

TONNAGE

WPD (FT)

15.6

REFRIG.

R-134A

FOR PIPE DIA. (INCHES)

2"-2 1/2"

INSULATION WALL THICKNESS (INCHES)

FITTING INSULATION TYPELOCATION INSULATION TYPE RUNOUTS < 1 1/2" 3"-6"

PIPE INSULATION SCHEDULE

ZESTON

CHILLED WATER

SUPPLY & RETURN

PIPING

FIBERGLASS WITH ALL

SERVICE JACKET TO MATCH EXISTING

ABOVE GROUND

PIPE MATERIAL TABLE

CHILLED WATER

2-1/2" AND SMALLER

3" AND LARGER

TYPE "L" SEAMLESS COPPER TUBING

SCHEDULE 40 SEAMLESS BLACK

STEEL

WROUGHT COPPER

SCHEDULE 40 SEAMLESS BUTT

WELDED

SWEAT SOLDER

WELDED

SERVICE LOCATION PIPING FITTINGS JOINTS

TYPE "K" SEAMLESS COPPER TUBING

SCHEDULE 40 SEAMLESS BLACK STEEL 3" AND LARGER

CONDENSER WATER

OR SWEAT SOLDER

SCHEDULE 40 SEAMLESS

WROUGHT COPPER, PRESSURE FITTING

OR WELDED

2-1/2" AND SMALLER

MECHANICAL CONNECTION

MECHANICAL CONNECTION

SA = SUPPLY AIR

RPM = REVOLUTIONS PER MINUTE

SD = SUPPLY AIR DIFFUSER

SEN = SENSIBLE

SR = SUPPLY REGISTER

TSP = TOTAL STATIC PRESSURE

TYP = TYPICAL

VAV = VARIABLE AIR VOLUME TERMINAL UNIT

VD = MANUAL VOLUME DAMPER

W = WATT OR WIDE

WB = WET BULB

WC = WATER COLUMN

WG = WATER GAUGE

SP = STATIC PRESSURE

TA = TRANSFER AIR

TR = TRANSFER REGISTER

CONNECT TO EXISTING

IN = INCH

LD = LINEAR DIFFUSER

HWS = HOT WATER SUPPLY

LRA = LOCKED ROTOR AMPS

LVG = LEAVING

MBH = THOUSAND BTUH

LWT = LEAVING WATER TEMPERATURE

RA = RETURN AIR

RG = RETURN GRILLE

RLA = RUNNING LOAD AMPS

PH = PHASE (ELECTRICAL)

R = RETURN

NTS = NOT TO SCALE

OA = OUTSIDE AIR

EA = EACH "OR" EXHAUST AIR

EAT = ENTERING AIR TEMPERATURE

ESP = EXTERNAL STATIC PRESSURE

F = FAHRENHEIT

FC = FLEXIBLE CONNECTOR

FPM = FEET PER MINUTE

FPS = FEET PER SECOND

FT = FEET

HP = HORSEPOWER

EWT = ENTERING WATER TEMPERATURE

EXIST'G = EXISTING

GA = GAGE

FTR = FIN TUBE RADIATION

HWR = HOT WATER RETURN

HZ = FREQUENCY (CYCLES PER SECOND)

LAT = LATENT "OR" LEAVING AIR TEMPERATURE

HVAC ABBREVIATIONS

AFF = ABOVE FINISHED FLOOR

AMP = AMPERE

APD = AIR PRESSURE DROP

ATC = AUTOMATIC TEMPERATURE CONTROL

AV = AIRVENT

BTU = BRITISH THERMAL UNIT

BTUH = BTU PER HOUR

CFM = CUBIC FEET PER MINUTE

DB = DRY BULB

DIA = DIAMETER

DIFF = DIFFERENCE OR DELTA

DN = DOWN

DEG = DEGREE

HVAC LEGEND

CO = CLEAN OUT

LPS = LOW PRESSURE STEAM

LPC = LOW PRESSURE CONDENSATE

KH = KITCHEN HOOD

DW = DISHWASHER RR = RETURN AIR REGISTER

HVAC SPECIFICATIONS

KE(F) = KITCHEN EXHAUST (FAN)

PC = PUMPED CONDENSATE

CWR = CONDENSER WATER RETURN

CWS = CONDENSER WATER SUPPLY

MUA = MAKE UP AIR

ACD = AUTOMATIC CONTROL DAMPER

FS = FLOW STATION

PART 1 - GENERAL

1.01 WORK INCLUDED:

A. THE WORK UNDER THIS SECTION SHALL INCLUDE THE FURNISHING OF ALL MATERIALS, LABOR, EQUIPMENT AND SUPPLIES AND THE PERFORMANCE OF ALL OPERATIONS TO PROVIDE COMPLETE WORKING SYSTEMS AS INDICATED ON THE CONTRACT DRAWINGS.

B. FURNISH, SET UP AND MAINTAIN ALL DERRICKS, HOISTING MACHINERY, SCAFFOLDS, STAGING AND PLANKING AS REQUIRED FOR THE

WORK.

1.02 CODES, ORDINANCES, AND PERMITS: INSTALLATION OF SYSTEMS AND EQUIPMENT PROVIDED UNDER THIS SECTION SHALL BE DONE IN STRICT ACCORDANCE WITH MASSACHUSETTS DEPARTMENT OF PUBLIC SAFETY CODES, MASSACHUSETTS DEPARTMENT OF ENVIRONMENTAL PROTECTION, MASSACHUSETTES STATE BUILDING CODE AND TOWN REGULATIONS HAVING JURISDICTION.

1.04 RECORD DRAWINGS: FURNISH UPON COMPLETION OF ALL WORK, RECORD DRAWINGS OF THE WORK OF THIS SECTION.

1.05 SHOP DRAWINGS: PROVIDE SHOP DRAWINGS TO THE ENGINEER FOR APPROVAL OF ALL EQUIPMENT, MATERIALS SPECIFIED AND AUTOMATIC

TEMPERATURE CONTROLS.

1.06 OPERATING AND MAINTENANCE INSTRUCTIONS: FURNISH UPON COMPLETION OF ALL WORK, OPERATION AND MAINTENANCE DATA FOR ALL

EQUIPMENT PROVIDED UNDER THIS SECTION.

1.07 CUTTING AND PATCHING: ALL CUTTING AND PATCHING NECESSARY FOR THE PROPER INSTALLATION OF WORK TO BE PERFORMED UNDER THIS

SECTION AND SUBSECTIONS SHALL BE PERFORMED BY THE CONTRACTOR.

1.08 SEISMIC RESTRAINT REQUIREMENTS: ALL WORK INDICATED ON THESE DRAWINGS SHALL BE INSTALLED IN ACCORDANCE WITH REQUIREMENTS OF THE MASSACHUSETTS STATE BUILDING CODE, 780 CMR, 8TH EDITION, AND REFERENCED REQUIREMENTS OF NFPA.

PART 2 - PRODUCTS

2.01 INSULATION

PROVIDE INSULATION FOR PIPING AS SCHEDULED

2.02 EQUIPMENT

PROVIDE ALL EQUIPMENT WITH ACCESSORIES AS SCHEDULED.

2.03 PIPING

A. PROVIDE PIPING MATERIALS AND SIZES AS SHOWN ON THE SCHEDULE AND CALLED OUT ON PLANS

2.04 AUTOMATIC TEMPERATURE CONTROL

A. REFER TO THE BASE-BUILDING DRAWINGS FOR ALL CONTROLS.

PART 3 - EXECUTION

3.01 GENERAL:

A. INSTALL ALL ITEMS SPECIFIED UNDER PART 2 - PRODUCTS, ACCORDING TO THE APPLICABLE MANUFACTURER'S RECOMMENDATIONS AND SHOP DRAWINGS, THE DETAILS SHOWN ON THE DRAWINGS AND AS SPECIFIED UNDER THIS

SECTION. PROVIDE ALL REQUIRED HANGERS AND SUPPORTS.

3.02 EQUIPMENT

A. EQUIPMENT SHALL BE INSTALLED COMPLETE WITH ALL REQUIRED HANGERS AND SUPPORTS IN ACCORDANCE WITH THE

MANUFACTURER'S RECOMMENDATIONS.

B. FURNISH AND INSTALL ALL STEEL STRUCTURAL SUPPORT MEMBERS FOR PROPER HANGING AND SUPPORT OF EQUIPMENT. PROVIDE

VIBRATION ISOLATION ON ALL HANGERS.

C. ALL EQUIPMENT SHALL BE INSTALLED IN STRICT CONFORMANCE WITH MANUFACTURER'S WRITTEN RECOMMENDATIONS.

3.03 MISCELLANEOUS IRON AND STEEL:

A. PROVIDE STEEL SUPPORTS AND HANGERS REQUIRED TO SUPPORT EQUIPMENT, DUCTWORK, AND OTHER EQUIPMENT OR MATERIALS.

SUBMIT DETAILS OF STEEL SUPPORTS AND METHOD OF FABRICATION FOR APPROVAL.

3.04 BALANCING:

THE HVAC CONTRACTOR SHALL ENGAGE THE SERVICES OF AN INDEPENDENT FIRM TO PERFORM ADJUSTING AND BALANCING OF THE HVAC SYSTEMS (WATER). SYSTEMS SHALL BE ADJUSTED AND BALANCED SO THAT WATER FLOW RATES ARE AS INDICATED ON THE DRAWINGS. AFTER COMPLETION OF THE TESTING, BALANCING AND ADJUSTING OF THE WATER SYSTEMS, A BALANCING REPORT SHALL BE SUBMITTED TO THE

ENGINEER FOR APPROVAL.

A. PRIOR TO BALANCING A SAMPLE REPORT SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL. REPORT SHALL INCLUDE THE

FOLLOWING:

A.A. CONDENSER WATER FLOW

A.B. CHILLED WATER FLOW

B. HYDROSTATIC TESTING SHALL BE COORDINATED BY THE CONTRACTOR AND SHALL BE WITNESSED BY A BUILDING OWNER'S

REPRESENTATIVE.

C. THE CONDENSER AND CHILLED WATER SYSTEM WILL BE HYDROSTATICALLY TESTED WITH WATER AT 1-1/2 TIMES THE WORKING

PRESSURE FOR A MINIMUM PERIOD OF TWO HOURS, WITH NO LEAKS.

3.05 COMMISSIONING: THE OWNER SHALL ENGAGE THE SERVICES OF AN INDEPENDENT FIRM TO COMMISSION THE HVAC SYSTEMS

6. INSTALL ALL WORK IN ACCORDANCE WITH STATE AND LOCAL CODES.

7. DO NOT SCALE THESE DRAWINGS. TAKE ALL MEASUREMENTS IN THE FIELD

IN COORDINATION WITH ALL EQUIPMENT AS APPROVED AND WITH ALL OTHER

1. ALL PIPING AND DUCTWORK SHOWN IS DIAGRAMMATIC ONLY. DETERMINE

2. REVIEW ALL DRAWINGS BEFORE STARTING WORK TO BECOME FAMILIAR WITH

THE DETAILS OF CONSTRUCTION, AND COORDINATE WITH OTHER TRADES

3. OBTAIN ALL REQUIRED PERMITS AND PAY ALL FEES RELATED TO SAME.

4. PROVIDE ALL NECESSARY PIPING, EQUIPMENT AND SUPPORTS AS WELL AS ANY

ADDITIONAL EQUIPMENT, ETC. NOT SHOWN ON THE DRAWINGS OR CALLED FOR

5. PROVIDE ACCESS TO ALL EQUIPMENT REQUIRING PERIODIC SERVICE AND

IN THE SPECIFICATIONS BUT NECESSARY TO PROVIDE COMPLETE AND

ALL ROTATING EQUIPMENT SHALL HAVE FLEXIBLE PIPE ON DUCT CONNECTIONS

PROVIDE VERTICAL SUPPORTS FOR PIPING AT THE

MAXIMUM INTERVALS INDICATED IN THE SPECIFICATIONS.

TRADES.

AND APPROVED VIBRATION ISOLATORS.

9.

HVAC GENERAL NOTES

MAINTENANCE.

THE EXACT LOCATION IN THE FIELD.

TO ELIMINATE CONFLICTS.

WORKABLE SYSTEMS.

8.

1. CONTRACTOR SHALL VISIT SITE AND IDENTIFY EXISTING CONDITIONS AND DIFFICULTIES THAT WILL AFFECT WORK OF THIS SECTION. NO COMPENSATION WILL BE GRANTED FOR ADDITIONAL WORK CAUSED BY UNFAMILIARITY WITH SITE CONDITIONS THAT ARE VISIBLE OR READILY CONSTRUED BY EXPERIENCED

OBSERVERS.

2. PRIOR TO COMMENCING WORK OF THIS SECTION, EXAMINE SITE AND CONDITIONS UNDER WHICH WORK WILL BE PERFORMED. DETERMINE EXACT LOCATIONS OF EXISTING EQUIPMENT, PIPING AND CONTROLS. REPORT TO OWNER ANY CONDITIONS THAT MIGHT ADVERSELY AFFECT WORK. COMMENCEMENT OF WORK SHALL BE

CONSTRUED AS COMPLETE ACCEPTANCE OF EXISTING CONDITIONS AND PREPARATORY WORK.

3. ABANDONING OF DUCTWORK, PIPING OR EQUIPMENT IN PLACE SHALL NOT BE ALLOWED. COMPLETE REMOVAL

REQUIRED UNLESS NOTED OTHERWISE.

4. PIPING TO BE REMOVED: REMOVE PORTION OF PIPING INDICATED TO BE REMOVED AND CAP REMAINING

PIPING WITH SAME OR COMPATIBLE PIPING MATERIAL.

5. DUCTS TO BE REMOVED: REMOVE PORTION OF DUCTS INDICATED TO BE REMOVED AND CAP REMAINING

DUCTS WITH SAME OR COMPATIBLE DUCTWORK MATERIAL.

6. EQUIPMENT TO BE REMOVED: DISCONNECT AND CAP SERVICES AND REMOVE EQUIPMENT.

7. EQUIPMENT TO BE REMOVED AND SALVAGED: DISCONNECT AND CAP SERVICES AND REMOVE EQUIPMENT

AND DELIVER TO OWNER.

8. COMPLY WITH ALL STATE AND LOCAL CODES AS TO REMOVAL AND DISPOSAL OF EQUIPMENT REMOVED FROM

THE SITE.

9. COMPLY WITH GOVERNING EPA NOTIFICATION REGULATIONS BEFORE BEGINNING SELECTIVE DEMOLITION.

10. REMOVE PREVIOUSLY ABANDONED WORK IN THE WAY OF EXISTING CONSTRUCTION, OR AS NOTED.

11. COMPLY WITH HAULING AND DISPOSAL REGULATIONS OF AUTHORITIES HAVING JURISDICTION.

12. COMPLY WITH ANSI A10.6 AND NFPA 241.

13. PERMITS: GIVE ALL REQUIRED NOTICES, FILE ALL REQUIRED PLANS AND SPECIFICATIONS RELATING TO THE WORK OF THIS SECTION WITH THE PROPER AUTHORITIES AND PAY FOR ANY REQUIRED PERMITS.

14. ALL AIR-CONDITIONING EQUIPMENT AND SYSTEMS SHALL BE REMOVED DEMOLISHED WITHOUT RELEASING REFRIGERANTS. REFRIGERANT RECOVERY IS TO BE PERFORMED BY A REFRIGERANT RECOVERY TECHNICAL

CERTIFIED BY AN EPA-APPROVED CERTIFICATION PROGRAM.

15. ALL EQUIPMENT AND SYSTEMS TO BE REMOVED OR DEMOLISHED UNDER THIS SECTION AND NOT DESIRED BY OWNER SHALL BECOME THE PROPERTY OF THE CONTRACTOR. THE CONTRACTOR SHALL REMOVE ALL SUCH

EQUIPMENT FROM THE SITE PROMPTLY AFTER DETACHMENT FROM BUILDING STRUCTURE.

16. STORAGE OR SALE OF REMOVED ITEMS OR MATERIALS ON-SITE IS NOT PERMITTED.

17. IT IS UNKNOWN WHETHER HAZARDOUS MATERIALS WILL BE ENCOUNTERED IN THE WORK. IF MATERIALS SUSPECTED OF CONTAINING HAZARDOUS MATERIALS ARE ENCOUNTERED, DO NOT DISTURB; IMMEDIATELY

NOTIFY ARCHITECT AND OWNER.

18. EXISTING PIPING SHOWN ON DRAWINGS DOES NOT INDICATE FULL EXTENT OF PIPING DEMOLITION. FIELD

VERIFICATIONS REQUIRED.

HVAC DEMOLITION NOTES

PIPE UP

BRANCH CONNECTION

RUN-OUT OFF BOTTOM

RUN-OUT OFF TOP

PIPE OFF TOP

PIPE OFF BOTTOM

CHILLED WATER RETURN

CHILLED WATER SUPPLY

CWS CONDENSER WATER SUPPLY

CWR CONDENSER WATER RETURN

CHWR

CHWS

PIPING TO BE REMOVED

GATE VALVE (GV)

ISOLATION VALVE (ISV), REFER TO DETAILS & SPEC.

GLOBE VALVE (GLV)

BALL VALVE (BLV)

DRAIN VALVE (DV)

LIFT CHECK VALVE (LCV)

UNION (U)

FLANGE (FLG)

IN-LINE STRAINER

ECCENTRIC REDUCER/ENLARGER (ERD)

CONCENTRIC REDUCER/ENLARGER (CRD)

THERMOMETER (TRM)

PRESSURE GAUGE (PG)

PIPE ANCHOR (AN)

FLOW MEASURE STATION (FMS)

PIPE GUIDE (PG)

EXPANSION COMPENSATOR (EC)

PIPE FLEXIBLE CONNECTION (PFC)

PIPE CAP

STRAINER W/ DRAIN VALVE AND CAP

HOSE END DRAIN VALVE

CONTROL VALVE

MODULATING CONTROL VAVLE

MODULATING 3-WAY CONTROL VALVE

SWING CHECK VALVE

BUTTERFLY VALVE

PRESSURE REGULATOROR

311 Great Road, Post Office Box 1551 www.blwengineers.com T: 978.486.4301 F: 978.428.0067

Littleton, Massachusetts 01460

BLW Engineers, Inc.

HVAC * ELECTRICAL * PLUMBING * FIRE PROTECTION

Stamp:

Project Description:

Project:

Project No.: 21522.00

Drawing No.:

Title:

Date:

Scale:

Checked By:

Drawn By:

Revisions:

No. Issue Date

Replace Tecogen Chiller with Electric Chiller.

Project Number CSS#25586

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MECHANICAL

LEGEND,

SPECIFICATIONS, &

SCHEDULES

M0.1

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10"CHWR

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HW

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10"CHWR

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HW

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10"CHWS

8"

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10"CWS

8"CWS

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10"CWS

8"CWS

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W S

10"CWR 10"CWR

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W R

8"CWS

8"CWR

10"CWS

14"CWR

8"CWS

8"CHWS

8"CWR

3/4"RV

TO HEADER

1-1/4"RV

TO HEADER

1-1/2"CD

EXISTING

STEAM PIPE

4"HPS

8"CHWR

8"CHWS

BLIND

FLANGE.

(TYPICAL)

10"CHWR

8"CHWR

1"RV

TO HEADER

EXISTING BOILER STACK

20"X25"

30"X20"

EXISTING LOUVER

ACD

22"X20" 26"X16"

2"CHWS&R

1"RV

TO HEADER

8"CHWS

ACD

3/4"RV

TO

HEADER

8"CHWS

EXISTING 3" REFRIGERANT

RELIEF HEADER.

8"

CH

W S

80"X24 DUCT RISER UP

TO EXISTING WALL

LOUVER.

8" COMBUSTION AIR

PIPES

ANCHOR CHIMNEY

EXHAUST

EXISTING EXPANSION

TANK

10" BF VALVE AND

BLIND FLANGE FOR

TEMP COOLING

CONNECTION

EXISTING SUPPLY

FAN.

EXISTING

EXHAUST FAN.

EXISTING PUMP. EXISTING PUMP. EXISTING PUMP.

EXISTING

GAS-FIRED

CHILLER

EXISTING

ELECTRIC

CHILLER

EXISTING PUMP.

EXISTING PUMP.

1 DEMO CONDENSER WATER PIPING BACK

TO EXISTING BUTTERFLY VALVE.

2 DEMO CHILLED WATER PIPING BACK TO

EXISTING BUTTERFLY VALVE.

3 REMOVE CHILLER EXHAUST PIPING AND

ALL ASSOCIATED COMPONENTS.

4 REMOVE CHILLER COMBUSTION PIPING

AND ALL ASSOCIATED COMPONENTS.

5 REMOVE CHILLER ALL ASSOCIATED

COMPONENTS.

DEMOLITION NOTES

HATCHED AREAS TO BE DEMOLISHED

TO EXTENT INDICATED ON

DRAWINGS. (TYP.)

SCALE: 1/4"=1'-0"1 Chiller Mechanical Equipment Room Demolition Part-Plan

311 Great Road, Post Office Box 1551 www.blwengineers.com T: 978.486.4301 F: 978.428.0067

Littleton, Massachusetts 01460

BLW Engineers, Inc.

HVAC * ELECTRICAL * PLUMBING * FIRE PROTECTION

Stamp:

Project Description:

Project:

Project No.: 21522.00

Drawing No.:

Title:

Date:

Scale:

Checked By:

Drawn By:

Revisions:

No. Issue Date

Replace Tecogen Chiller with Electric Chiller.

Project Number CSS#25586

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MECHANICAL

DEMOLITION

FLOOR PLAN

M1.0

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10"CHWR

"C

HW

R

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HW

R

10"CHWR

"C

HW

S

10"CHWS

8"

CH

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10"CWS

8"CWS

8"CWS

8"

CW

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10"CWS

8"CWS

8"CWS

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10"CWR 10"CWR

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8"CWS

8"CWR

10"CWS

14"CWR

8"CWS

8"CHWS

8"CWR

TO CHILLER

3/4"RV

TO HEADER

1-1/4"RV

TO HEADER

1-1/2"CD

EXISTING

STEAM PIPE

4"HPS

8"CHWR

8"CHWS

BLIND

FLANGE.

(TYPICAL)

10"CHWR

8"CHWR

EXISTING BOILER STACK

20"X25"

30"X20"

EXISTING LOUVER

ACD

22"X20" 26"X16"

2"CHWS&R

1"RV

TO HEADER

8"CHWS

ACD

8"CHWS

EXISTING 3" REFRIGERANT

RELIEF HEADER.

8"

CH

W S

80"X24 DUCT RISER UP

TO EXISTING WALL

LOUVER.

EXISTING EXPANSION

TANK

10" BF VALVE AND

BLIND FLANGE FOR

TEMP COOLING

CONNECTION

EXISTING SUPPLY

FAN.

EXISTING

EXHAUST FAN.

EXISTING PUMP. EXISTING PUMP. EXISTING PUMP.

EXISTING

ELECTRIC

CHILLER

EXISTING PUMP.

EXISTING PUMP.

CH

8"CHWR

8"CHWS

8"CWS

TO CHILLER 8"CHWS DN.

TO CHILLER.

8"CHWR DN.

TO CHILLER.

PIPE INSTALLED

ABOVE CHILLER.

SCALE: 1/4"=1'-0"1 Chiller Mechanical Equipment Room Part-Plan

311 Great Road, Post Office Box 1551 www.blwengineers.com T: 978.486.4301 F: 978.428.0067

Littleton, Massachusetts 01460

BLW Engineers, Inc.

HVAC * ELECTRICAL * PLUMBING * FIRE PROTECTION

Stamp:

Project Description:

Project:

Project No.: 21522.00

Drawing No.:

Title:

Date:

Scale:

Checked By:

Drawn By:

Revisions:

No. Issue Date

Replace Tecogen Chiller with Electric Chiller.

Project Number CSS#25586

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MECHANICAL

NEW WORK

FLOOR PLAN

M2.0

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ROOFLINE

"C

W S

"C

W R

TITITTTE TTTE

VALVE

POSITION

DO

FCV

ZAC ZAO

10"CWS

10"CWR 10"CWR

10"CWS

"C

W S

TITTTE

TI

TT

TE

TI TT TE

8"

CW

R 8"

CW

R PDSL

DI

CW FLOW SWITCH

HARDWIRE TO CH-2

STARTER

VALVE

POSITION

FY AO

I/P

PI

TI

FCV

8"

CW

S

PI

TI

PDI

DIFF. PRESSURE

PDT

2"D TO SANITARY

2"

EXISTING 350 TON ELECTRIC

MOTOR DRIVEN CHILLER

2 PASS CONDENSER: 1050 GPM, 18.5' HD

85°F EWT, 94.33°F LWT

CH

BLOW DPWM SOLENOID VALVE.

WIRE TO NEW CONDUCTIVITY/PH

CONTROLLER. INITIALLY BALANCE

LINE TO 10 GPM.CONNECT DOWNSTREAM

OF EXISTING BACKFLOW

PREVENTER.

CONNECT DOWNSTREAM

OF EXISTING COOLING

TOWER MU SOLENOID

VALVE

WATER METER

PRV. SET @ 12 PSIG.

10"CWS

1/2" 1/2"

"C

W S

1/2"D TO

SANITARY

1/2"1/2" CHEMICAL

FEED

2"MU2" MU

"C

W R

PIPI

1"BYPASS

1"BYPASS

1"MUM2" MU

PI

TI

P

40 HP

1130 GPM

100' HD

S/S

HOA HOA

CURRENT

8"CWS

2" D

2" D

2" D

M

HS

HS ZS

IIIT

2"D TO SANITARY

8"CWS

PI

TI

P

40 HP

1130 GPM

100' HD

S/S

HOA HOA

CURRENT

8"CWS

2" D

2" D

2" D

M

HS

HS ZS

IIIT

2"D TO SANITARY

8"CWS

1/4"D TO

SANITARY

8"

CW

S

1- 1/4

"D

S

TI

TT

TE

8"

CW

R 8"

CW

R PDSL

CW FLOW SWITCH

HARDWIRE TO CH-1

STARTER

PI

TI

8"

CW

S

PI

TI

PDI

DIFF. PRESSURE

PDT

3/4"D TO

SANITARY

3/4"

NEW 350 TON ELECTRIC

MOTOR DRIVEN CHILLER

2 PASS CONDENSER: 1050 GPM, 15.6' HD

85°F EWT, 94.2°F LWT

14" CWS FROM COOLING TOWER 14" CWR TO COOLING TOWER

SCALE: NTS1 Condenser Water Flow Schematic & Piping Diagram

NEW WORK

EXISTING ISOLATION

VALVE TO REMAIN

EXISTING ISOLATION

VALVE TO REMAIN

PROVIDE NEW

CONTROL VALVE.

311 Great Road, Post Office Box 1551 www.blwengineers.com T: 978.486.4301 F: 978.428.0067

Littleton, Massachusetts 01460

BLW Engineers, Inc.

HVAC * ELECTRICAL * PLUMBING * FIRE PROTECTION

Stamp:

Project Description:

Project:

Project No.: 21522.00

Drawing No.:

Title:

Date:

Scale:

Checked By:

Drawn By:

Revisions:

No. Issue Date

Replace Tecogen Chiller with Electric Chiller.

Project Number CSS#25586

B A

R N

ES

B

U

IL

D

IN

G (M

A

SU

M

M

ER

S

TR

EE

T

B O

ST

O

N , M

A

2.16.2022

JP

JP

MECHANICAL

CONDENSER WATER

FLOW SCHEMATIC

M3.0

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TE

TT TI

10"CHWS

"C

HW

R

"C

HW

R

10"CHWR 10"CHWR

2" 2"

2"D TO FLOOR

DRAIN

PDT

PDI

DIFF.

PRESSURE

8"CHWR

PI

TI

PDSL

CHW

FLOW

SW

DI

HARDWIRE TO CH-2

CONTROL PANEL

PI

TI

TE TT TI

FCV

VALVE

POSITION

FY AO

I/P

8"

CH

W R

8"

CH

W S

EXISTING 350 TON ELECTRIC

MOTOR DRIVEN CHILLER

2 PASS EVAPORATOR: 840 GPM, 16.4 HD

55°F EWT, 45°F LWT

1/4 "R

LF

1/4 "R

LF

3/4 "R

LF

3/4 "R

LF

1"

RL

F

2"RLF 2"RLF 3"RLF

3"

RL

F

EXTERIOR

WALL

DRIP LEG SEIZED

TO HOLD 1

GALLON

CAPPED

REFRIGERANT

SERVICE DRAIN

VALVE MAX 5 FT

AFF

1/4 "R

LF

1/4 "R

LF

1"

RL

F

1"

RL

F

1"

RL

F

CH

EXISTING

CHILLER

3/4"D TO FLOOR

DRAIN

PDT

PDI

DIFF.

PRESSURE

8"CHWR

PI

TI

PDSL

CHW

FLOW

SW

HARDWIRE TO CH-1

CONTROL PANEL

PI

TI

8"

CH

W R

8"

CH

W S

NEW 350 TON ELECTRIC

MOTOR DRIVEN CHILLER

2 PASS EVAPORATOR: 837 GPM, 17.1 HD

55°F EWT, 45°F LWT

CH

SCALE: NTS2 Chilled Water Flow Schematic & Piping Diagram

SCALE: NTS1 Refrigerant Relief Flow Schematic

EXISTING ISOLATION

VALVE TO REMAIN

EXISTING ISOLATION

VALVE TO REMAIN

EXISTING CONTROL

VALVE TO REMAIN

3/4"

NEW WORK

NEW WORK

311 Great Road, Post Office Box 1551 www.blwengineers.com T: 978.486.4301 F: 978.428.0067

Littleton, Massachusetts 01460

BLW Engineers, Inc.

HVAC * ELECTRICAL * PLUMBING * FIRE PROTECTION

Stamp:

Project Description:

Project:

Project No.: 21522.00

Drawing No.:

Title:

Date:

Scale:

Checked By:

Drawn By:

Revisions:

No. Issue Date

Replace Tecogen Chiller with Electric Chiller.

Project Number CSS#25586

B A

R N

ES

B

U

IL

D

IN

G (M

A

SU

M

M

ER

S

TR

EE

T

B O

ST

O

N , M

A

2.16.2022

JP

JP

MECHANICAL

CHILLED WATER

FLOW SCHEMATIC

M4.0

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