IFB #25001 Bass-Hoover ES - Chiller Replacement Construction Drawings 21320-37 2024-0.pdf

BASS-HOOVER ELEMENTARY SCHOOL

(BHES) - CHILLER REPLACEMENT

FREDERICK COUNTY PUBLIC SCHOOLS

RRMM ARCHITECTS, PC

ARCHITECTURE / PLANNING / INTERIORS

VICINITY MAP CONSULTANTS OWNER LOCATION MAP

SITE

SITE

1317 Executive Boulevard, Suite 200 Chesapeake, VA 23320

(757) 622-2828

28 Church Avenue SW Roanoke, VA 24011

(540) 344-1212

1 Research Court, Suite 450 Rockville, MD 20850

(240) 403-4101

2900 South Quincy Street, Suite 710 Arlington, VA 22206

(703) 998-0101

115 South 15th Street, Suite 502 Richmond, VA 23219

(804) 277-8987

Lawrence Perry and Associates

MEP ENGINEERING

15 E. Salem Ave., Suite 101

Roanoke, VA 24011 Phone: 540-342-1816

Frederick County Public Schools

1415 Amherst Street

Winchester, VA 22601

Phone: 540-662-3888

IFB 25001

09/27/2024

RRMM

ARCHITECTS, PC

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28 Church Ave SW Roanoke, Virginia 24011

(540)344-1212

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0' 4' 8' 16'

3/32 = 1'-0" 0' 1" 2" 3"

6" = 1'-0"

0' 2" 4" 6"

3" = 1'-0"

5"3"1"0' 3" 6" 1'

1 1/2" = 1'-0"

9"0' 6" 1' 1.5'

1" = 1'-0"

3" 9"0' 1' 2'

3/4" = 1'-0"

6"0' 1' 2' 3'

1/2" = 1'-0"

6"0' 1' 2' 4'

3/8" = 1'-0"

3'0' 2' 4' 6'

1/4" = 1'-0"

0' 4' 8' 12'

1/8" = 1'-0"

0' 8' 16' 24'

1/16" = 1'-0"

4'0' 16' 32' 48'

1/32" = 1'-0"

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Sheet Number Sheet Title DISCIPLINE

PROJECT TITLE SHEET

G-001 TITLE SHEET PROJECT TITLE SHEET

MECHANICAL

M-100 EXISTING FLOOR PLAN - MECH/ELEC MECHANICAL

CWS

G

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C D

RC

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HW

EXIST PANEL P1

ELEC. RM ALL

EQUIP IS EXIST

EXISTING BELOW-SLAB

CONDUIT

3P 400/NF

3" EXPOSED CONDUIT

EXIST. COOLING

TOWER

EXIST. CONTROLS AIR

COMPRESSOR

REFRIG. LEAK DETECTION

MONITOR/SENSOR

EXIST BAS PANEL

INCREASEREXIST CHILLED

WATER PUMP

EXIST PANEL L1

EXIST COND.

WATER PUMP

EXIST GAS-FIRED BOILER

EXIST

BOILER

HW

5"

REDUCER

6"

8"

5"

5"

CWR

CH-11

DEMOLITION NOTES:

1. THE CONTRACTOR SHALL REMOVE OR ALTER AS NECESSARY ALL

EXISTING PIPING, EQUIPMENT, EQUIPMENT FOUNDATIONS, AND

APPURTENANCES THAT ARE NOT REQUIRED FOR THE EXISTING

SYSTEMS TO REMAIN. CONTRACTOR SHALL VISIT THE SITE TO

DETERMINE THE SCOPE OF THIS WORK AND VERIFY EXISTING

CONDITIONS PRIOR TO SUBMITTING BIDS.

2. EXISTING EQUIPMENT SHALL BE TURNED OVER TO THE OWNER,

UNLESS DIRECTED OTHERWISE AND LOCATED AS DIRECTED BY THE

OWNER. ALL OTHER ITEMS TO BE REMOVED SHALL BECOME THE

PROPERTY OF THE CONTRACTOR AND REMOVED FROM THE

PREMISES.

3. INSULATION ON EXISTING PIPING THAT IS DAMAGED OR REMOVED

DUE TO THE DEMOLITION WORK SHALL BE REPLACED AND SEALED

AS REQUIRED.

GENERAL NOTES:

1. ALL DUCTWORK AND PIPES SHALL BE COORDINATED WITH (OTHER

NEW AND EXISTING DUCTS, PIPES,) LIGHTS, STRUCTURAL SYSTEM,

CEILING SUPPORTS AND FRAMING BEFORE INSTALLATION. MINOR

DUCT AND PIPE OFFSETS AND MINOR DUCT TRANSITIONS SHALL BE

PROVIDED AS REQUIRED. WHERE TRANSITIONS ARE REQUIRED,

CROSS SECTIONAL AREA OF DUCT SHALL NOT BE REDUCED.

MEASUREMENTS FOR VERTICAL CLEARANCES OF DUCTWORK SHALL

BE TAKEN AT THE JOB SITE BEFORE FABRICATION OF ANY

DUCTWORK.

2. ALL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH

MANUFACTURER'S PUBLISHED INSTRUCTIONS.

3. MATERIALS AND INSTALLATION SHALL COMPLY WITH LOCAL CODES,

APPLICABLE PROVISIONS OF LATEST EDITION OF NATIONAL FIRE

PROTECTION ASSOCIATION, LOCAL UTILITY REGULATIONS AND

GOVERNMENTAL DEPARTMENTS HAVING JURISDICTION.

4. CONTRACTOR SHALL SEAL AND FLASH ALL PENETRATIONS IN

EXISTING ROOF AND WALLS.

5. VERIFY ROOF AND WALL OPENINGS WITH STRUCTURE.

6. VERIFY THE LOCATION OF ALL THERMOSTATS, TEMPERATURE

SENSORS, PANELS AND CONTROL INSTRUMENTS WITH THE

ARCHITECT AND OWNER PRIOR TO ROUGH-IN.

7. VERIFY LOCATIONS OF NEW AND EXISTING EQUIPMENT.

8. ALL CUTTING AND PATCHING FOR THE INSTALLATION OF NEW WORK

IN EXISTING BUILDING SHALL BE DONE BY THE CONTRACTOR.

9. CONTRACTOR SHALL PROVIDE ALL SUPPORTS REQUIRED TO MOUNT

MECHANICAL EQUIPMENT, PIPING AND DUCTWORK.

10. WHERE PIPE AND DUCT CONNECTIONS ARE SHOWN CONNECTING TO

EXISTING, CONTRACTOR SHALL DETERMINE EXACT LOCATIONS AND

CONNECTION SIZES PRIOR TO INSTALLATION.

11. NEW PIPING AND PIPE INSULATION SHALL MATCH EXISTING.

INSULATION THAT IS DAMAGED OR REMOVED FOR NEW WORK SHALL

BE REPLACED, REPAIRED AND SEALED AS REQUIRED.

12. HEATING WATER PIPING SHALL BE TYPE L COPPER OR SCH 40 BLACK

STEEL. PIPE FITTINGS SHALL MATCH PIPING.

13. HEATING WATER LINES SHALL BE INSULATED WITH 2" THICK, 3-1/2 LB.

DENSITY FIBERGLASS FLAME-SAFE PIPE INSULATION WITH 1 MIL

FOIL-SCRIM-WHITE KRAFT PAPER JACKET. ALL JOINTS, VOIDS AND

PUNCTURES IN JACKET SHALL BE SEALED.

14. EXPOSED PIPING RUNOUTS SHALL BE INSTALLED IN PRACTICAL

ALIGNMENT WITH THE BUILDING AND SHALL BE ADEQUATELY

SECURED TO THE BUILDING STRUCTURE.

15. ALL REMOTE MOUNTED TEMPERATURE CONTROL DEVICES AND

TEMPERATURE CONTROL WIRING SHALL BE FURNISHED AND

INSTALLED BY THE MECHANICAL CONTRACTOR.

16. ALL EQUIPMENT SHALL BE SECURED TO CONCRETE HOUSEKEEPING

PADS WITH HOLD-DOWN BOLTS TO PREVENT MOVEMENT.

17. INSTRUCT THE OWNER IN THE PROPER OPERATION AND

MAINTENANCE OF THE MECHANICAL SYSTEMS UNTIL THE OWNER IS

FULLY PREPARED TO OPERATE AND MAINTAIN THE MECHANICAL

SYSTEM. HOWEVER, LENGTH OF INSTRUCTION TIME SHALL BE

LIMITED TO ONE-HALF DAY.

18. SYSTEMS SHALL OPERATE UNDER CONDITIONS OF LOAD WITHOUT

UNUSUAL OR EXCESSIVE NOISE OR VIBRATION. UNUSUAL OR

EXCESSIVE NOISE OR VIBRATION SHALL BE CORRECTED.

19. EQUIPMENT, MATERIALS AND LABOR REQUIRED BY THESE

CONTRACT DRAWINGS SHALL BE GUARANTEED TO BE FREE FROM

DEFECTIVE MATERIALS OR WORKMANSHIP FOR ONE YEAR AFTER

FINAL ACCEPTANCE OF THE PROJECT UNLESS SPECIFIED

OTHERWISE. DEFECTIVE MATERIALS OR WORKMANSHIP OCCURRING

DURING THIS PERIOD SHALL BE CORRECTED AT NO ADDITIONAL

COST.

20. ALL NEW EQUIPMENT SHALL BE CONNECTED TO AND CONTROLLED

BY THE EXISTING SIEMENS BUILDING AUTOMATION SYSTEM.

ABOVE ABV

ABOVE FINISHED FLOOR AFF

AIR SEPARATOR AS

BALANCING VALVE

BELOW BEL

BETWEEN BET

CAPACITY CAP

CHECK VALVE

CHILLED WATER PUMP CWP

CHILLED WATER RETURN PIPE CWRCWR

CHILLED WATER SUPPLY PIPE CWS CWS

CIRCUIT SETTER

CS(GPM)COMMON C

CONDENSER WATER PUMP CDP

CONDENSER WATER RETURN PIPE CDR CDR

CONDENSER WATER SUPPLY PIPE CDS CDS

DEGREES FAHRENHEIT °F

DIAMETER DIA

DIRECTION OF FLOW

DOMESTIC COLD WATER PIPE CW

DOWN DN

EACH EA

ENTERING WATER TEMPERATURE EWT

EXISTING, REMOVE FROM THIS POINT

EXPANSION TANK ET

FEET FT

FLOOR FL

FROM FRM

GALLONS GAL

GALLONS PER MINUTE GPM

HORSEPOWER HP

HOUR HR

INCH IN

KILOWATT KW

LEAVING WATER TEMPERATURE LWT

MANUAL AIR VENT

MAV

NEW CONNECTED TO EXISTING

PIPING INDICATION WITH RESPECT

BOTTOM TAKEOFF

SIDE CONNECTION

TOP TAKEOFF

TURN DOWN OR FROM BELOW

TURN UP OR DOWN

TURN UP OR FROM ABOVE

POUNDS LBS

POUNDS PER SQUARE INCH GAGE PSIG

PRESSURE DROP PD

PRESSURE GAUGE

PRESSURE REDUCING VALVE (FILL VALVE) PRV

REVOLUTIONS PER MINUTE RPM

SERVICE VALVE

STRAINER

THERMOMETER

THOUSAND BTU PER HOUR MBH

TWO-WAY CONTROL VALVE

UNION

HVAC LEGEND:

DEMOLITION PLAN NOTES:

1. REMOVE CHILLER, PIPING, CONTROLS, SUPPORTS AND

ACCESSORIES COMPLETE TO POINTS INDICATED.

2. RETAIN POWER CONDUIT AND WIRING FOR REUSE.

3. RETAIN VENT PIPING FOR REUSE.

4. REMOVE CWP, EXPANSION TANK, AIR SEPARATOR, PIPING,

SUPPORTS AND ACCESSORIES COMPLETE TO POINTS INDICATED.

5. BID ALTERNATE 1: REMOVE CDP, PIPING TO BY-PASS VALVE,

SUPPORTS AND ACCESSORIES COMPLETE TO POINTS INDICATED.

NEW WORK PLAN NOTES:

1. FURNISH AND INSTALL NEW WATER COOLED CHILLER ON EXISTING

HOUSEKEEPING PAD. EXTEND CONCRETE PAD IF NECESSARY TO

SUPPORT NEW CHILLER. CONNECT NEW CHILLER TO EXISTING

REFRIGERANT VENT PIPING, EXTEND PIPING AS NECESSARY TO NEW

POINTS OF CONNECTION ON CHILLER. CONNECT NEW CHILLER TO

EXISTING 400A 460V/3PH DISCONNECT, EXTEND CONDUIT AND

CONDUCTORS AS NECESSARY TO NEW POINT OF CONNECTION ON

CHILLER.

2. REMOVE AND REINSTALL DOOR HEADER AND WALL LOUVER FOR

INSTALLATION OF NEW CHILLER. HEADER AND LOUVER HAVE BEEN

MODIFIED FOR REMOVAL FROM PREVIOUS CHILLER REPLACEMENT.

3. FURNISH AND INSTALL NEW CWP (X2) AND PIPING COMPLETE.

EXTEND CONCRETE HOUSEKEEPING PAD TO SUPPORT BOTH PUMPS,

COORDINATE WITH EXISTING FLOOR DRAIN AND ROOM

ARRANGEMENT. UTILIZE EXISTING POWER CIRCUIT TO POWER BOTH

NEW DUTY/STANDBY PUMPS.

4. BID ALTERNATE 1: FURNISH AND INSTALL NEW CDP (X2) AND PIPING

COMPLETE TO NEW BY-PASS VALVE. EXTEND CONCRETE

HOUSEKEEPING PAD TO SUPPORT BOTH PUMPS, COORDINATE WITH

EXISTING FLOOR DRAIN AND ROOM ARRANGEMENT. UTILIZE

EXISTING POWER CIRCUIT TO POWER BOTH NEW DUTY/STANDBY

PUMPS.

5. FURNISH AND INSTALL NEW REFRIG. LEAK DETECTOR CALIBRATED

FOR R513A.

6. BALANCE EXISTING EXHAUST FAN TO 1850 CFM.

7. CONTRACTOR SHALL TREND VIA THE BAS CHILLER AND PUMP

OPERATION FOR 30 DAYS FOLLOWING PROJECT COMPLETION.

TREND DATA TO INCLUDE (BUT NOT LIMITED TO) EWT/LWT, WATER

FLOW, PUMP SPEED, CHILLER LOADING, ETC. FURNISH PRINTED

COPIES OF TRENDS TO THE OWNER.

8. NEW FLOOR MOUNTED SIDE STREAM FILTER, PROVIDE UNION AND

SERVICE VALVE ON INLET AND OUTLET TO FILTER UNIT, CONNECT

WITH 2" PIPING TO 6" MAIN PIPING DOWNSTREAM FROM PUMP

DISCHARGE, PROVIDE MIN 24" BETWEEN INLET AND OUTLET

CONNECTIONS TO MAIN.

X X

CHILLED WATER SIDE STREAM FILTER: SHELCO MODEL 4F0S2C-304-DOE-2MNPT-ML-B (OR EQUAL) WITH MB5-20 FILTER CARTRIDGES (X4).

COOLING TOWER WATER SIDE STREAM FILTER: (ADDITIVE BID ALTERNATE 2) SHELCO MODEL 4F0S2C-304-DOE-2MNPT-ML-B (OR EQUAL) WITH MB5-20 FILTER CARTRIDGES (X4).

CWS

G

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HW

EXIST PANEL P1

ELEC. RM ALL

EQUIP IS EXIST

BOILER

ROOM

EXISTING BELOW-SLAB

CONDUIT

3P 400/NF

3" EXPOSED CONDUIT

EXIST. COOLING

TOWER

EXIST. CONTROLS AIR

COMPRESSOR

REFRIG. LEAK DETECTION

MONITOR/SENSOR

EXIST BAS PANEL

EXIST PANEL L1

EXIST GAS-FIRED BOILER

EXIST

BOILER

HW

8"

CDP-1

CDP-2

C D

S

C D

R

6"

CH-1

6"

AS-1

5"

5"

CWR

EX-1

3/4" CWP-1 CWP-2

PIPE SUPPORT

HANG THIS PIPE

FROM ABOVE SO

NO WEIGHT RESTS

ON PUMP CASING

FLEXIBLE PIPE

(TYPICAL)

1/4" COCK

3/4" HOSE-END

DRAIN VALVE

PUMP BASE + 6"

CONCRETE BASE

PUMP

LEVEL GROUT

SUCTION DISCHARGE

1/4" COCK

CS

FLOOR LINE 4"

SUCTION DIFFUSER

MOTOR

BASE MOUNTED PUMP DETAIL

NO SCALE

FEEDER BODY

NOTE:

SIZE FILTER FEEDER AS RECOMMENDED BY UNIT MANUFACTURER.

BYPASS CHEMICAL FEEDER

NO SCALE

LID

GLOBE VALVE

3/4" FROM PUMP

DISCHARGE

3/4"

REMOVABLE BASKET

AND FILTER

HOSE END

DRAIN VALVE

3/4" TO PUMP

INTAKE

CWR

C D

S

C D

R

C W

R

C W

S

R

FLEXIBLE PIPE

CONNECTORS (TYP.)

FLOW SWITCH

FLOW SWITCH

FLOOR

3/4" HOSE END

DRAIN VALVE (TYP.)

TO SYSTEM

RUBBER-IN-SHEAR (RIS)

VIBRATION ISOLATOR (TYP.)

4" HIGH CONCRETE

HOUSEKEEPING PAD

CHILLER

TO FLOOR

DRAIN

FROM CWP

CHILLER CONNECTION DETAIL

SCHEMATIC

PIPE SUPPORT DETAIL

NO SCALE

PIPE

VAPOR BARRIER

(WHERE REQUIRED)

12" LONG, HALF-SECTION OF

HYDROUS CALCIUM SILICATE

AT EACH HANGER SUPPORT

HEAVY DUTY

CLEVIS HANGER

HANGER ROD, SUPPORT

FROM BUILDING STRUCTURE

INSULATION

16 GAGE ZINC COATED

SHEET STEEL SADDLE

AT LEAST 12" LONG

NOTE:

SADDLE AND HALF-SECTION OF HYDROUS CALCIUM SILICATE

SHALL BE INSTALLED AT THE SAME TIME THAT THE PIPE AND

PIPE HANGERS ARE INSTALLED.

SEE SPECIFICATIONS FOR LOCATIONS WHERE HYDROUS

CALCIUM SILICATE SHALL BE REQUIRED.

0' 1" 2" 3"

6" = 1'-0"

0' 2" 4" 6"

3" = 1'-0"

5"3"1"0' 3" 6" 1'

1 1/2" = 1'-0"

9"0' 6" 1' 1.5'

1" = 1'-0"

3" 9"0' 1' 2'

3/4" = 1'-0"

6"0' 1' 2' 3'

1/2" = 1'-0"

6"0' 1' 2' 4'

3/8" = 1'-0"

3'0' 2' 4' 6'

1/4" = 1'-0"

0' 4' 8' 12'

1/8" = 1'-0"

0' 16' 32' 48'

1/32" = 1'-0"

0' 8' 16' 24'

1/16" = 1'-0"

4'0' 16' 32' 48'

1/32" = 1'-0"

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09/27/24

PARTIAL FLOOR PLAN - PHASE 2 - DEMOLITION - MECH

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

PARTIAL FLOOR PLAN - PHASE 2 - NEW WORK - MECH

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

M-100

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