2-A4 M-101 PW6860 marked Updated Drawing 10April26.pdf

PDF 355 KB Posted Apr 16, 2026

Attached to: Concert Chiller Pads
Solicitation number: N0017326Q5699
Issued by: Department of the Navy Secretary of the Navy Office of Naval Research

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Written by GovTribe AI · Apr 16, 2026

This is a detailed architectural and mechanical drawing for a chiller installation project at the Naval Research Laboratory (NRL), Building A69, under project number PW 6860. The drawing presents a new chiller piping plan with comprehensive specifications for equipment installation and system connections.

The project requires installation of a new chiller system for a furnace with associated piping, mechanical components, and supporting infrastructure. Key components include a pump room with designated equipment layout, concrete pad installation, vibration hose connections using 1-1/2" copper piping with threaded progress elbows and fittings, temperature thermostats and pressure gauges on each supply and return line, ball valves, electronically controlled inlet and outlet water valves, boiler drain, air vent, and rain leader discharge connections. The plan specifies the location of ice accumulation drainage, exhaust arm hood installation, compressed air supply and return connections on the furnace, existing compressed air connection modifications, strainer installation on the return line, and elbow placement over existing heat lines. The drawing includes 24 detailed general notes addressing work scope, existing condition verification, plan intent for new conditions, contractor responsibilities for validation and survey, and specific installation requirements including minimum 40-inch clearance distances and component positioning. The document is marked as controlled unclassified information for official use only.

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C ontrol cabinet doors

C onnections:

W ater, process gases and com pressed air

M-101

NEW CHILLER PIPING PLAN1

M-101

N R

L D

C , B

G A

C H

R F

O R

F U

R N

A C

N A

V A

L R

E S

E A

R C

H L

A B

O R

R Y

GENERAL NOTES:

NEW CHILLER PLAN:

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FUME

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HOOD

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TYPE-1

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%%UPUMP ROOM

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AutoCAD SHX Text 43'-10"±

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AutoCAD SHX Text 15'-4"

AutoCAD SHX Text 31'-8"±

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AutoCAD SHX Text 111A

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AutoCAD SHX Text 3'-4"

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4"X4" DOWNSPOUT

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DOWNSPOUT

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FUME

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HOOD

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TYPE-2

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1HR

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FEC

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RAIN LEADER DISCHARGE

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(FROM DOWNSPOUT)

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OUT

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PLAN

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NORTH

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SCALE: 3/16" = 1'-0"

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NAVAL RESEARCH LABORATORY

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DISTRICT OF COLUMBIA

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PW 6860

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NRL CODE 3531

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WASHINGTON DC

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PROJECT TEAM LEAD - EBERT

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CODE 3531 ENGINEERING - G. BAEZ

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DEPARTMENT OF THE NAVY

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SCALE:

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SHOP NO.

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SHEET

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NRL PW NO.

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NAVAL FACILITIES ENGINEERING COMMAND

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DES:

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DRW:

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SYM

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DESCRIPTION

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DATE

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APPR

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CHK:

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SATISFACTORY TO

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APPROVED

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ACTIVITY

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DATE

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FOR COMMANDER NAVFAC

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A/E INFO

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CONTROLLED UNCLASSIFIED INFORMATION, FOR OFFICIAL USE ONLY

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CONTROLLED UNCLASSIFIED INFORMATION, FOR OFFICIAL USE ONLY

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INSTALL CHILLER, NRL BLDG.A-69

AutoCAD SHX Text G1. ALL WORK SHALL BE NEW AND PROVIDED UNDER ALL WORK SHALL BE NEW AND PROVIDED UNDER THIS CONTRACT UNLESS SPECIFICALLY MARKED EXISTING, EXIST., OR (E). G2. VERIFY LOCATION AND DIMENSIONS OF EXISTING VERIFY LOCATION AND DIMENSIONS OF EXISTING EQUIPMENT AND COORDINATE ALL WORK PRIOR TO EQUIPMENT AND COORDINATE ALL WORK PRIOR TO THE START OF CONSTRUCTION. G3. PLANS ARE INTENT TO PROVIDE NEW CONDITIONS, CLARIFY REQUIREMENTS AND FOR INFORMATION ONLY. CONTRACTOR IS RESPONSIBLE FOR VALIDATION, SURVEY DETAILED DESIGN, PLANNING, CONSTRUCTABILITY, COORDINATION AND APPROVAL TO IMPLEMENT THE PROJECT WITHIN THE FRAMEWORK OF THE RFP.

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1. NEW CONCRETE PAD (REFER TO STRUCTURAL DETAIL SHEET) 2. NEW CHILLER. CHILLER WAS PLACED HERE TO AVOID THE DOWNSPOUT TO THE LEFT OF THE UNIT. NOT SURE HOW MUCH WATER COMES OUT OR ACCUMULATES. 3. VIBRATION HOSE. 4. 1-1/2" COPPER WILL BE USED TO MAKE CONNECTIONS. ASSOCIATED PROPRESS ELBOWS AND FITTINGS PROVIDED. 5. TEMPERATURE THERMOMETER. ONE IN EACH LINE. 6. PRESSURE GAUGE. ONE IN EACH LINE 7. PIPE SUPPORT MOUNTED ON CONCRETE PAD. USE IN CONJUNCTION WITH ALL THREAD AND SPLIT RING HANGERS. 8. BOILER DRAIN. 9. 1-1/2" BALL VALVES. 10. UNISTRUT SUPPORT MOUNTED ON SIDE OF BUILDING. 11. AIR VENT. ONE IN EACH LINE. 12. LOCATION FOR PENETRATION TO RUN THE LINES INSIDE. 13. LOCATION WHERE SUPPLY AND RETURN MANIFOLD WILL GO TO CONNECT HOSES FROM UNIT. 14. EXISTING EXHAUST DROPS 15. LOCATION WHERE THE EXHAUST ARM HOOD WILL BE DRAWING AIR FROM. 16. INSTALL ELECTRONICALLY CONTROLLED VALVE AT WATER INLET AND NON-RETURN VALVE AT WATER OUTLET (CUSTOMER IS IN POSSESSION OF BOTH VALVES). 17. LOCATION OF PIPE SUPPORTS THAT WILL BE IN THE GRASS AREA BETWEEN UNIT AND BUILDING. 18. CHW SUPPLY AND RETURN CONNECTION ON FURNACE. 19. LOCATION WHERE EXHAUST ARM WILL BE MOUNTED. 20. LOCATION WHERE AIR REGULATOR WILL BE MOUNTED. 21. LOCATION OF EXISTING COMPRESSED AIR CONNECTION. YOU WILL TAP OFF OF THIS CONNECTION TO FEED EQUIPMENT. 22. STRAINER THAT WILL BE PLACED ON RETURN LINE. 23. ELBOW UP OVER THE EXISTING HEAT LINE. 24. ENSURE A MINIMUM 40 INCH DISTANCE BETWEEN CHILLER AND ELECTRICAL DISCONNECT ENCLOSURE. CHILLER INSTALLATION GUIDELINE IS 40 INCH CLEARANCE ON ALL FOUR SIDES.

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SCALE: 3/16" = 1'-0"

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EX EXHAUST DROP

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EX NEW FURNACE

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EX UNDERGROUND WATER LINE

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LOCATION OF NEW ELECTRICAL DISCONNECT AND ENCLOSURE

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EX SNOW FENCE

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EX HEAT LINE

daniel.ebert Callout NE corner of pad to be 24' 4" south and 22' west of the SE corner of building. Minor modifications to location can be coordinated with end user.

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Sheets and Views

BLDG. A69 UPDATED

File details come from the government source that posted it. Updated Apr 16, 2026.