HVAC Equipment Replacement for Northeast Middle School

Location:	North Carolina
Posted:	May 7, 2026
Due:	May 19, 2026
Agency:	Guilford County Schools
Type of Government:	State & Local
Category:	41 - Refrigeration, Air Conditioning and Air Circulating Equip.
Solicitation No:	6829
Publication URL:	To access bid details, please log in.

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HVAC EQUIPMENT REPLACMENT

FOR

NORTHEAST GUILFORD MIDDLE SCHOOL

6720 McLEANSVILLE ROAD

NA AL

McLEANSVILLE, NORTH CAROLINA

PER

GUILFORD COUNTY BOARD OF EDUCATION

Dr. WHITNEY OAKLEY

SUPERINTENDENT

SIGNATURE:

DATE:

SIGNATURE:

DATE:

SIGNATURE:

DATE:

TRIAD ENGINEERING CONSULTANTS, INC

PLUMBING

MECHANICAL AND

ELECTRICAL ENGINEERING

Email: Admin@TriadEngMEP.com

2638-100 Willard Dairy Rd

High Point, NC 27265

(336) 338-8943

Firm License

C-0492

2605

ENGINEERING

THE PIEDMONT

TRIAD SINCE 1984

0 VICINITY MAP

SITE

270

90 NO SCALE

180

SHEET NO.

SUCTION

HYDRONIC INDICATOR

ASSEMBLY

SHUTOFF VALVE

(BUTTERFLY)

SUCTION DIFFUSER

SERVICE CLEARANCE

FOR STRAINER REMOVAL

ADJUSTABLE SUPPORT FOOT

DISCHARGE

CONCENTRIC REDUCER (AS REQUIRED)

FLEX CONNECTOR

(TYP)

TRIPLE DUTY VALVE

BASE MOUNTED PUMP -

SEE SCHEDULE

MOTOR -

SEE SCHEDULE

PUMP & MOTOR BASE

1/2" DRAIN TO FLOOR DRAIN

DETAIL

4 BASE MOUNTED PUMP

ME0.01 SCALE: NONE

FLOOR

INERTIA BASE ON ISOLATION SPRINGS.

DIMENSIONS TO BE AT LEAST 4" LARGER

THAN PUMP BASE PLUS SUCTION

DIFFUSER FOOT SUPPORT.

FILL BASE WITH CONCRETE.

ELECTRICAL SYMBOL LEGEND

SYMBOL

"NL"

DESCRIPTION

A LINEAR LIGHT FIXTURE - LETTER INDICATES FIXTURE TYPE. SEE LIGHTING FIXTURE SCHEDULE FOR DETAILS. HALF SHADING INDICATES FIXTURE TO BE

EQUIPPED WITH EMERGENCY BATTERY PACK WIRED TO UNSWITCHED CONDUCTOR TO PROVIDE 90 MINUTES OPERATION ON POWER LOSS.

DENOTES LIGHTING FIXTURE TO BE USED AS A NIGHTLIGHT. FIXTURE SHALL BE CONNECTED UNSWITCHED TO THE LOCAL LIGHTING CIRCUIT.

UNIVERSAL MOUNT EMERGENCY EXIT FIXTURE (SHADING INDICATES FACES). ARROW INDICATES DIRECTIONAL ARROWS REQUIRED. MOUNT TO CEILING AT

LOCATION INDICATED. MOUNT TO WALL IF CEILING IS HIGHER THAN 12'-0". CIRCUIT TO LOCAL LIGHTING CIRCUIT AHEAD OF ALL SWITCHING.

SURFACE MOUNTED PANELBOARD

J WP OR J WP JUNCTION BOX SIZED PER N.E.C. REQUIREMENTS. 'WP' INDICATES WEATHERPROOF.

WIRING AND RACEWAY CONCEALED IN WALLS AND/OR ABOVE CEILING

SWITCH LEG WIRING AND RACEWAY CONCEALED IN WALLS AND/OR ABOVE CEILING

WIRING AND RACEWAY CONCEALED IN/OR UNDER FLOOR OR UNDERGROUND

LOW VOLTAGE CONDUIT AND WIRING - BY E.C. CONDUIT SIZE IS 1/2" UNLESS NOTED OTHERWISE.

INDICATES CONDUIT TURNED DOWN TO FLOOR BELOW

INDICATES CONDUIT TURNED UP TO FLOOR ABOVE

LP1-2 CIRCUIT HOMERUN WITH PANEL DESIGNATION AND CIRCUIT NUMBER.

120, 208, 277, OR 480 VOLT MOTOR AS NOTED ON PLANS

240V/3P/200A/N3R/FPN

HEAVY DUTY LOCKABLE DISCONNECT SWITCH - FUSED OR NON-FUSED AS INDICATED - BY E.C.

VOLTAGE/#POLES/AMPERAGE/NEMA RATING/FUSE CONDITION FUSE CONDITION AS FOLLOWS: NF=(NON-FUSED), FPN=(FUSE PER EQUIPMENT NAMEPLATE),

XXXAFU=FUSED WITH XXX AMP FUSES, SE = SERVICE ENTRANCE LABEL. FURNISH WITH GROUND BAR. FURNISH WITH SOLID NEUTRAL WHEN A NEUTRAL

CONDUCTOR IS INCLUDED IN THE CIRCUIT OR FEEDER.

COMBINATION STARTER AND FUSED DISCONNECT SWITCH - BY E.C. UNLESS NOTED OTHERWISE

MECHANICAL LEGEND

EXISTING PIPING (THIN LINEWEIGHT)

NEW PIPING (THICKER LINEWEIGHT)

HWS

HOT WATER SUPPLY PIPING - BOILER LOOP

HWR

HOT WATER RETURN PIPING - BOILER LOOP

HWSB

HOT WATER SUPPLY PIPING - BUILDING LOOP

HWRB

HOT WATER RETURN PIPING - BUILDING LOOP

MAKEUP WATER PIPING FOR EQUIPMENT

CONCRETE SHALL BE 3000 PSI AIR ENTRAINED MIX.

*TOP OF PAD TO BE SMOOTH AND LEVEL.

#5x6" DOWELS AT 8" O.C.

AROUND PERIMETER OF PAD

USE THIS PAD DETAIL FOR SHOT FEEDER ONLY

SHOT FEEDER

3 CONCRETE PAD DETAIL

ME0.01 SCALE: NONE

SYSTEM RETURN PIPING. SEE PLAN FOR SIZE.

HWS

HWR

LID AND FUNNEL

1/2"x1/2" CHAMFER ALL AROUND

#4 WELDED WIRE FABRIC

4 QT ASME POT FEEDER TANK

NEEDLE VALVE

1/4" BALL VALVE FOR SAMPLING - WITH

BRASS CHAIN TETHERED CAP.

DRAIN VALVE WITH BRASS

CHAIN TETHERED CAP

PAINTED STEEL FRAME WITH

4" CONC. PAD

LEGS BOLTED TO PAD ALL PIPING 3/4" UNLESS NOTED OTHERWISE

ALL VALVES ARE 3/4" BALL VALVES UNLESS NOTED OTHERWISE

PROVIDE ONE SHOT FEEDER IN MECHANICAL ROOM FOR HW SYSTEM.

DETAIL

HYDRONIC CHEMICAL

2 SHOT FEEDER SYSTEM

ME0.01 SCALE: NONE

3/4" BYPASS LOOP

0-80 PSI

PRESSURE GAGE

UNION (TYP)

DIELECTRIC UNION

CONNECT TO AIR

RELEASE LINE

0-200 PSI PRESSURE

GAGE

EXIST. PIPING WHERE

APPLICABLE

WATER METER EQUAL TO

HERSEY 452

NEW LEAD-FREE REDUCED PRESSURE

ZONE BACKFLOW PREVENTER.

PRESSURE REDUCING VALVE

SET AT 18 PSIG

BALL VALVE (TYP.)

** ALL MAKE-UP WATER PIPING SHALL BE 1" COPPER U.N.O.

MAKEUP WATER

1 CIRCUIT DETAIL

ME0.01 SCALE: NONE

PIPE AIR GAP FUNNEL DRAIN

TO FLOOR DRAIN OR SUMP

EXIST. COPPER

CW FROM

MANIFOLD IN

MECH. RM

HYDRONIC INDICATOR ASSEMBLY AND TUBING TO

CHECK PUMP PERFORMANCE.

5X4 ECCENTRIC REDUCER (FLAT ON MOTOR SIDE)

4" SHUTOFF VALVE

4" FLEX CONNECTOR (TYP).

SUCTION DIFFUSER WITH SCREEN REMOVAL

CLEARANCE.

MOTOR SERVICE

CLEARANCE

MOTOR - SEE SCHEDULE

FLEX CONNECTOR

(PUMP OUTLET SIZED)

INLINE TRIPLE DUTY VALVE

(PUMP OUTLET SIZED)

PUMP - SEE SCHEDULE

REDUCER AND BLIND FLANGE TO MATE WITH PUMP

BASE FLANGE PATTERN.

3"∅ STEEL WELDED PIPE STAND ANCHORED TO

FLOOR WITH EPOXY SET ANCHOR BOLTS AND BLIND

FLANGE OR 12x12x1/4" STEEL PLATE.

ADJUSTABLE FLOOR SUPPORT BOLTED TO FLANGE

AND FLOOR.

ADJUSTABLE SADDLE TYPE PIPE SUPPORT FOR

SUPPLY PIPING.

HIGH CAPACITY AIR VENT

BUILT-IN HIGH

CAPACITY AIR VENT

DAS DIRT-AIR SEPARATOR -

B&G SRS OR EQUAL. (INSULATE)

RETURN FROM SYSTEM -

SEE PLAN FOR SIZE

BUTTERFLY VALVE

AT INLET

PROVIDE MANUAL

BLOWDOWN VALVE

AT OUTLET

ROUTE DISCHARGES TO

FLOOR DRAIN OR SUMP

1-1/2" AIR RELEASE

PIPING TO CONNECT TO

EXIST. TANKS.

MAKEUP WATER CIRCUIT - SEE

DETAIL THIS SHT.

TO COMP. TANKS - SEE

PLAN.

PRESSURE RELIEF VALVE

SET AT 75 PSI

TO PUMP SUCTION -

SEE PLAN FOR SIZE

DETAIL

5 INLINE PUMP

ME0.01 SCALE: NONE

GENERAL MECHANICAL NOTES

1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE APPLICABLE SECTIONS OF THE N.C. STATE BUILDING CODE AND LOCAL CODES

AND ORDINANCES. MATERIALS SHALL BE NEW UNLESS NOTED OTHERWISE.

2. OBTAIN AND PAY FOR ALL PERMITS, FEES, INSPECTIONS ETC. AS REQUIRED FOR WORK UNDER THIS CONTRACT.

3. SCHEDULE ALL REQUIRED INSPECTIONS WITH AHJ AND MAKE CORRECTIONS RESULTING FROM INSPECTIONS. PROVIDE ALL ACCESS, LADDERS,

EQUIPMENT, INSTRUMENTS, ETC AS REQUIRED BY AHJ TO MAKE INSPECTIONS.

4. HYDRONIC HOT WATER PIPING SHALL BE SCHEDULE 40 BLACK STEEL.

5. GAS PIPING SHALL BE SCHEDULE 40 BLACK STEEL EXCEPT CONNECTIONS TO EQUIPMENT SHALL BE FLEXIBLE STAINLESS STEEL.

6. STEEL PIPING 2" AND SMALLER PIPING SHALL BE THREADED AND COUPLED WITH CAST IRON FITTINGS. STEEL PIPING 2-1/2" AND LARGER

PIPING SHALL BE WELDED WITH STANDARD PATTERN FITTINGS. SEGMENTED FITTINGS SHALL NOT BE UTILIZED UNLESS NO STANDARD FITTING OR

COMBINATION OF FITTINGSWILL MAKE THE REQUIRED DIRECTIONAL CHANGE IN THE AVAILABLE SPACE.

7. THREADED JOINTS SHALL BE MADE WITH NPT THREADS AND UTILIZING A THREAD SEALING COMPOUND. REMOVABLE UNIONS SHALL BE PROVIDED

TO ALLOW REMOVAL OF VALVES AND EQUIPMENT. DI-ELECTRIC UNIONS ORE DI-ELECTRIC NIPPLES SHALL BE USED WHERE PIPING OF DISSIMILAR

METALS ARE JOINED.

8. WELDED JOINTS SHALL BE MADE WITH BUTT-WELDED JOINTS. WELDERS SHALL BE ASME CERTIFIED. BOLT FLANGES SHALL BE PROVIDED TO

ALLOW REMOVAL OF VALVES AND EQUIPMENT.

9. SUPPORT PIPING WITH MSSP STANDARD GALVANIZED STEEL PIPE HANGERS SIZED FOR THE DIAMETER OF THE PIPE PLUS INSULATION THICKNESS

AND SPACED NO FURTHER THAN 8' ON CENTER AND WITHIN 2' OF ELBOWS. SUPPORT SUSPENDED HANGERS WITH ALL-THREAD ROD SECURED

WITH DOUBLE NUTS TO LOCK POSITION. PROVIDE SADDLE SUPPORTS WITH TOP RESTRAINTS ANCHORED TO BASE FOR NON-SUSPENDED

SUPPORTS. SADDLE SUPPORTS SHALL BE ANCHORED TO STRUCTURE.

10. HOT WATER PIPING PIPING SHALL BE INSULATED WITH 1-1/2" WALL THICKNESS PREFORMED HIGH DENSITY 3 POUND PER CUBIC FOOT PIPE

INSULATION WITH ALL SERVICE JACKET THAT IS THEN COVERED WITH PVC JACKET. FITTINGS SHALL BE INSULATED WITH LOOSE OR SEGMENTED

FIBERGLASS INSULATION IN PVC FITTING COVERS. TAPE ALL SEAMS AND JOINTS. PROVIDE RIGID INSERTS AND ROLL-FORMED GALVANIZED STEEL

PIPE SHIELDS AT HANGERS. SECURE PIPE SHIELD TO INSULATED PIPE WITH BLACK ZIP TIE. SEAL ENDS OF EACH SECTION OF INSULATION WITH

MASTIC PRIOR TO INSTALLATION.

11. ALL NEW INTERIOR HOT WATER SUPPLY AND RETURN PIPING, MAKEUP WATER PIPING, FITTINGS, AND VALVES SHALL BE COVERED WITH PVC

JACKET COLORED FOR SERVICE: RED COLOR FOR HOT WATER SUPPLY AND RETURN. GREEN COLOR FOR MAKEUP WATER.

12. LABEL ALL NEW PIPING WITH PLASTIC MARKERS ENCIRCLING CIRCUMFERENCE OF INSULATED PIPE DENOTING SERVICE AND WITH FLOW ARROWS TO

INDICATE FLUID FLOW DIRECTION. SECURE MARKERS WITH (2) BLACK ZIP TIES LOCATED NEAR ENDS OF PIPE MARKER.

11. LABEL BOILERS AND PUMPS WITH LAMINATED NAMEPLATE FIELD WITH 1/2" HIGH WHITE LETTERS. SCREW ATTACHED TO THE FRAME OF THE

EQUIPMENT.

12. NEW HVAC CONTROLS SHALL BE AN OPEN PROTOCOL BACNET SYSTEM UTILIZING BTL LISTED DEVICES AND COMMUNICATING USING BACNET

PROTOCOL. SYSTEMS USING PROPRIETARY LEVEL PROTOCOL ARE NOT ALLOWED.

13. PROVIDE CONDUIT FOR ALL NEW CONTROL WIRING - EMT FOR INDOOR APPLICATIONS AND RIGD OR IMC FOR EXTERIOR APPLICATIONS.

14. WARRANTY ALL WORK, EQUIPMENT, AND MATERIALS FOR A MINIMUM OF ONE YEAR FROM THE DATE OF ACCEPTANCE BY THE OWNER.

15. WARRANTY REFRIGERANT AND COMPRESSOR PARTS FOR AN ADDITIONAL 4 YEARS BASE BID WITH NO DEDUCTIBLE TO REPLACE PARTS AND ALL

REFRIGERANT LOST OR CONTAMINATED BY EQUIPMENT BURNOUT.

16. WARRANTY REFRIGERANT AND COMPRESSOR PARTS FOR AN ADDITIONAL 5 YEARS UNDER ALTERNATE 2.

DAS AND

6 AIR CONTROL PIPING DETAIL

ME0.01 SCALE: NONE

GENERAL ELECTRICAL NOTES

1. ELECTRICAL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE LATEST ADOPTED EDITION OF THE NATIONAL ELECTRICAL CODE AND

ALL APPLICABLE LOCAL AND STATE CODES.

2. ALL REQUIRED ELECTRICAL PERMITS AND INSPECTION FEES SHALL BE OBTAINED AND PAID FOR BY THE ELECTRICAL CONTRACTOR.

3. SCHEDULE ALL REQUIRED INSPECTIONS WITH AHJ AND MAKE CORRECTIONS RESULTING FROM INSPECTIONS. PROVIDE ALL ACCESS, LADDERS,

EQUIPMENT, INSTRUMENTS, ETC AS REQUIRED BY AHJ TO MAKE INSPECTIONS

4. COORDINATE WITH EQUIPMENT SUPPLIER FOR FIELD WIRING OF COMPONENTS REQUIRED FOR OPERATION OF EQUIPMENT.

5. FIELD VERIFY ALL EXISTING CIRCUITS, PANELS, BREAKERS ETC FOR RATINGS, CAPACITIES, LOCATION, AND CONDITION TO ENSURE SUITABILITY

FOR USE AND MAKE MODIFICATIONS REQUIRED FOR NEW CONFIGURATIONS.

6. GUARANTEE ALL WORK AND MATERIALS FOR ONE YEAR EFFECTIVE THE DAY THE PROJECT IS ACCEPTED BY OWNER.

7. ALL MATERIALS SHALL BE NEW AND U.L. LISTED UNLESS SPECIFICALLY NOTED OTHERWISE.

8. MAKE ALL ELECTRICAL CONNECTIONS TO EQUIPMENT REQUIRING POWER CONNECTIONS.

9. GENERAL WIRING SHALL BE INDIVIDUAL COPPER CONDUCTORS WITH THHN/THWN INSULATION UNLESS NOTED OTHERWISE RATED AT NOT LESS

THAN 600 VOLTS AND CONCEALED IN CONDUIT. MINIMUM WIRE SIZE IN CONDUIT IS #12 AWG. #12 AND #10 CONDUCTORS SHALL BE

SOLID. CONDUCTORS #8 AND LARGER SHALL BE STRANDED TYPE. WIRING TO LIGHTING FIXTURES SHALL BE AS REQUIRED BY U.L. LABEL.

10. CONDUIT SHALL BE RIGID OR IMC OUTDOORS AND IN UTILITY ROOMS WHEN WITHIN 10' OF FLOOR OR PLATFORM LEVEL. CONDUITS INSTALLED

ABOVE 10' INDOORS MAY BE EMT. USE RMC OR IMC FOR EXPOSED OUTDOOR APPLICATIONS. USE SCHEDULE 40 PVC BELOW GRADE OR

FLOOR SLAB. USE IMC OR RMC WHERE REQUIRED BY CODE OR WHERE SUBJECT TO PHYSICAL DAMAGE INCLUDING CONDUITS WITHIN 10' OF

FLOOR IN UTILITY ROOMS. USE IMC OR RMC FOR CONDUIT INSTALLED IN HAZARDOUS AREAS. USE IMC OR RMC ELBOWS WHERE

TRANSITIONING FROM BELOW GRADE TO ABOVE GRADE.

11. SUPPORT ALL CONDUIT WITH STRAPS AND CLAMPS. RUN ALL CONDUIT PARALLEL OR PERPENDICULAR TO STRUCTURE. SECURE SUPPORTS TO

STRUCTURE.

12. SECURE CONDUITS TO STRUCTURE AT CONNECTIONS TO EQUIPMENT AND DEVICES. PROVIDE LB OR LR TYPE FITTING AND TRANSITION TO

LIQUIDTITE FLEX OR MC CABLE AS APPLICABLE TO MAKE FINAL CONNECTIONS TO EQUIPMENT.

13. COORDINATE CONDUIT LOCATIONS WITH LARGER UTILITIES SUCH AS PIPE AND DUCTS. CONDUITS SHALL BE COORDINATED AND ADJUSTED TO

AVOID CONFLICTS.

14. COORDINATE LOCATION AND REQUIREMENTS FOR ELECTRICAL CONNECTIONS TO EQUIPMENT.

15. RECEPTACLES INSTALLED IN THE VERTICAL POSITION SHALL HAVE THE GROUND PIN ORIENTED IN THE UP POSITION.

16. PROVIDE AN EMBOSSED ADHESIVE TAPE LABEL ON EACH RECEPTACLE, CONTROL DEVICE STATION, AND OTHER MISCELLANEOUS ITEMS.

INDICATE PANELBOARD AND CIRCUIT NUMBER ON THE LABEL TO READILY IDENTIFY WHERE THE DEVICE IS SERVED FROM. THE LIGHT SWITCH

LABEL SHALL BE PLACED ON THE BACKSIDE OF THE COVERPLATE. THE LETTERING SHALL BE 3/16" WHITE LETTERS ON BLACK BACKGROUND

OR BLACK LETTERS OR CLEAR BACKGROUND.

17. LABEL INDIVIDUAL CONDUCTORS IN PANELBOARD, SWITCHBOARDS, JUNCTION BOXES, DEVICE BOXES, ETC. WITH WIRE MARKERS IDENTIFYING THE

CIRCUIT POSITION NUMBER TO WHICH THE CONDUCTOR IS CONNECTED.

18. LABEL DISCONNECT SWITCHES, EQUIPMENT ENCLOSURE PANELS, ETC WITH ENGRAVED PHENOLIC NAMEPLATES ATTACHED TO THE COVER OF THE

ITEM IN A VISIBLE LOCATION. INCLUDE THE ITEM IDENTIFICATION, VOLTAGE, PHASE AND FEEDER OR CIRCUIT SOURCE WHERE APPLICABLE.

ENGRAVED LABELS SHALL USE 1/2" HIGH LETTERING. USE BLACK PLATES WITH WHITE LETTERS FOR 277/480 VOLT EQUIPMENT. USE BLUE

PLATES WITH WHITE LETTERS FOR 120/208 VOLT EQUIPMENT.

19. PROVIDE NEW DIRECTORIES FOR EACH PANEL WITH CIRCUITS MODIFIED UNDER THIS CONTRACT. FIELD VERIFY EACH EXISTING CIRCUIT USE.

MARK EXISTING BREAKERS THAT ARE NOT WIRED AS SPARE. THE PANEL DIRECTORIES SHALL BE TYPED.

20. FUSES 0 -600 AMPS SHALL BE UL CLASS "RK1" LOW PEAK DUAL ELEMENT TIME DELAY AS MANUFACTURED BY BUSSMAN OR EQUAL.

21. ALL TERMINALS, SPLICING CONNECTORS, LUGS, ETC. SHALL BE IDENTIFIED FOR USE WITH THE TYPE OF CONDUCTOR CONNECTED AND SHALL

BE PROPERLY INSTALLED.

NA AL

PER

SHEET NO.

ME0.01

MAIN ENTRY

ADMIN OFFICES

(SECOND FLOOR)

COMMONS

GYMNASIUM

EXIST. 5 PSI GAS PIPING

ON ROOF

EXIST. 7'x4' MASONRY CHIMNEY - PROVIDE (2) NEW

14"∅ STAINLESS STEEL FLUE LINERS IN (2)

VITRIFIED CLAY FLUES, AND NEW STAINLESS STEEL

CAP ON TOP OF CHIMNEY WITH SHED TOP AND

SCREENED SIDES. SEE DETAIL 3/503.

MECHANICAL ROOM IN BASEMENT

BELOW. SEE ME4.01 FOR ENLARGED

PLAN OF THIS ROOM.

EXIST. 5 PSI GAS PIPING

ON ROOF

GAS DROP TO MECHANICAL

ROOM BELOW

MAIN BUILDING

ANNEX CLASSROOMS

CLASSROOM ANNEX - SEE ME4.02

AND ME4.04 FOR WORK ON ROOF

IN THIS AREA

NA AL

PER

AUXILLARY GYM - ALTERNATE BID #1.

SEE ME4.03 AND ME4.05 FOR WORK

ON ROOF IN THIS AREA

AUXILIARY GYM

OVERALL

1 CAMPUS BUILDINGS PLAN

ME1.01 SCALE: 1/16" = 1'-0"

SHEET NO.

ME1.01

PROVIDE ONE NEW STAINLESS STEEL HOOD (~7'x4'x2' TALL)

WITH SIDE AND END SCREENS TO PROTECT (3) EXISTING

17.25"x17.25" CHIMNEY FLUES. CHIMNEY TERMINATES ~5'

ABOVE ROOF. REPAIR CHIMNEY CAP BLOCKS WITH NEW

MORTAR AT JOINTS.

DEMO 14"∅ FLUE PENETRATION THIS

FLUE AND INSTALL CLEANOUT TYPE CAP

IN THIMBLE. SEAL TIGHT WITH

SEALANT.

DEMO 10"∅ FLUE PENETRATION THIS

FLUE. CORE DRILL NEW OPENING FOR

15" ID THIMBLE FITTING.

DEMO. COMPRESSION TANK ABOVE AND

ASSOCIATED SUPPORTS.

DEMO BOILER COMPLETE INCLUDING

ASSOCIATED FLUE, HWS, HWR PIPING

TO HEADERS, POWER WIRING AND

CONTROLS WIRING. DEMO GAS PIPING

TO MAIN ABOVE. (TYP OF 3).

DEMO GAS TRAIN TO BURNERS. PLUG

AT CONNECTION TO ANY COMMON VENT

PIPING.

DEMO GAS BRANCH SERVING B3

TO THIS POINT AND CAP MAIN.

DEMO MAKEUP WATER CIRCUIT PIPING

ABOVE AND DROPS TO BOILERS.

EXIST. CHILLED WATER PUMPS AND

ASSOCIATED PIPING, STARTERS,

CONTROLS, ETC TO REMAIN. PROTECT

FROM DAMAGE.

EXIST. MAKEUP WATER CIRCUIT PIPING

ABOVE TO REMAIN.

EXIST. CHILLER AND ASSOCIATED PIPING

TO REMAIN. PROTECT FROM DAMAGE

DEMO HWR AT FLOOR FROM

HEADER TO BOILERS 1 & 2

80G HW COMP

TANK (ABOVE)

BOILER

DEMO ALL SUPPLY AND RETURN

PIPING FROM BOILERS TO SUPPLY

AND RETURN HEADERS AT WALL.

EXIST. 5" RETURN HEADER ~24"AFF AND ASSOCIATED

RISERS TO REMAIN UNLESS NOTED OTHERWISE.

DEMO GAS TRAIN TO BURNERS.

REUSE VENT LINES FOR NEW

GAS TRAIN. (TYP OF 2)

DEMO BOILER B3 RETURN RISER,

AND CONTROL VALVE. PROVIDE

BLIND FLANGE ON RISER

SHUTOFF VALVE

DEMO STARTERS AND SUPPORT FRAMING

FOR P8,10,11. DEMO CIRCUITS TO

PANEL PB IN ELECTRICAL RM.

P-8

P-9

BOILER

P-10

P-11

DEMO 5" SUPPLY HEADER, AND

RISERS TO ~8' AFF. DEMO ALL

PUMPS, VALVES, ETC. ZONE

SUPPLY PIPING ABOVE TO REMAIN.

DEMO SUPPLY RISER FROM B-3

INCLUDING CONTROL VALVE.

DEMO AIR SEPARATOR ABOVE

MCC

P-12

P-13

RETAIN REGULATOR VENT PIPING

AND CONTROLS INTERFACE

WIRING WITH BMS TO BE

RECONNECTED TO NEW BOILERS.

(TYP OF 2)

SUCTION RESIDUAL OIL FROM ABANDONED FUEL

OIL LINES. DEMO LINES FLUSH TO FLOOR AND

FILL WITH GROUT. (TYP AT EACH BOILER.)

REMOVE AND SALVAGE SHOT

FEEDER FOR REUSE IN NEW

LOCATION.

DEMO STARTER FOR P13. DEMO CIRCUIT

TO PANEL PB IN ELECTRICAL ROOM.

EXIST. 120 GALLON COMPRESSION TANKS

(4) ABOVE TO REMAIN. RECONNECT AIR

RELEASE PIPING AS REQUIRED FOR

LOCATION OF NEW SEPARATOR.

EXIST. ECONOMIZER HX AND

ASSOCIATED PIPING TO REMAIN.

PROTECT FROM DAMAGE.

MECHANICAL ROOM

CHW BUFFER G

TANK

EXIST. CHILLED WATER BUFFER TANK

AND ASSOCIATED PIPING TO REMAIN.

PROTECT FROM DAMAGE.

EXIST. GAS MAIN AT

STRUCTURE ABOVE

EXIST. FD. PROTECT FROM

CLOGGING AND DRAIN LINE ROD 50'

CLEAR AT SUBSTANTIAL COMPLETION.

(TYP OF 6 INCLUDING THE ONE IN

THE ELECTRICAL RM.)

EXIST. REFRIG. MONITOR TO

REMAIN.

EXIST. GAS DOMESTIC WATER

HEATERS TO REMAIN. PROTECT

FROM DAMAGE.

EXIST. GAS RISER TO ROOF

TO REMAIN.

SLOPE DN.

ENCLOSED COMBINATION SOFT

STARTERS EQUAL TO SQUARE D

ATS22D32S6U WITH INTEGRATED

BYPASS, A 50A BREAKER, A 32A

CONTACTOR W/120V COIL. RUN

INDICATING LIGHT AND MANUAL

H-O-A SWITCH ON FRONT OF

NEMA 1 ENCLOSURE.

1/2"C (3)#12+#12G TO NEW 35A/3P

BRKR IN PANEL PB (TYP)

1/2"C W/(3)#12+#12G

INERTIA PAD FOR BASE

MOUNTED PUMP (TYP).

EXIST. INLINE CHILLED

WATER PUMP ~8' AFF.

CONNECT NEW GAS PIPING

TO EXIST. 5 PSI MAIN

ABOVE. (TYP).

6X5 TEE ~12"AFF. RISE UP TO CONNECT TO

EXIST. 5" AT ELBOW.

6" HWR (12"AFF)

NEW 5" BOILER LOOP HWS DROP TO 12" CL

ABOVE EXIST. HEADER. CONNECT TO NEW HWR

RISER

EXIST. 5" BHWR HEADER (~24"AFF)

DV2

DV1

5" HWS 11'AFF

1" BOILER DRAIN VALVE (TYP)

NEW REINFORCED 6" CONC.

PAD FOR EACH BOILER.

NEW 5" HWR RISER FROM EXIST.

BWR HEADER WITH VALVE IN RISER.

BOILER

3082 MBH

BOILER

3082 MBH

1/2"C W/(3)#12+#12G

2-1/2" LOW PRESSURE

GAS FROM REGULATOR TO

BURNER. (TYP).

5" DROP TO PUMP SUCTION

DIFFUSER (TYP).

MCC

SHUTOFF VALVE

IN RISER (TYP)

DAS P10 G

P11

1/2"C W/(3)#10+#10G

TO NEW MOTOR.

(TYP OF 2)

1/2"C W/(3)#12+#12G TO

EXIST. 15A/3P BRKR IN

PANEL PB (TYP OF 2)

LONG RADIUS

ELBOW AT PUMP

TYPICAL ENCLOSED COMBINATION

SOFT STARTER PACKAGE EQUAL TO

SQUARE D ATS22D32S6U WITH

INTEGRATED BYPASS, 50A BREAKER,

32A CONTACTOR W/120V COIL.

RUN INDICATING LIGHT AND

MANUAL H-O-A SWITCH ON FRONT

OF NEMA 1 ENCLOSURE.

1/2"C W/(3)#10+#10G

TO NEW 50A/3P BRKR

IN PANEL PB.

MECHANICAL ROOM

NEW 1" MAKEUP WATER PIPING

WITH PRV STATION AND BYPASS.

CONNECT TO EXIST. AIR RELEASE

PIPING.

PAINT ALL NEW AND EXIST. GAS PIPING IN

MECHANICAL ROOM SAFETY YELLOW WITH 2

COATS OIL BASED SEMIGLOSS ENAMEL.

CHW BUFFER G

TANK

ADD NEW 1" RPZ BFP ABOVE TO

MAKEUP WATER BRANCH SERVING

BOILER EQUIPMENT. PROVIDE

FUNNEL AIR GAP FITTING AT VENT

AND PIPE TO NEAREST FLOOR DRAIN.

ELECTRICAL ROOM

NA AL

PER

MDP1

MDP2

4000A

1200A

EXIST. FULLY LOUVERED 4'-0"

DOORS AND 8'x3' LOUVER

ABOVE TO REMAIN\ FOR

BOILER COMBUSTION AIR AND

VENTILATION.

EXIST. EXHAUST FAN AND

ASSOCIATED DUCT TO REMAIN.

DRIVE RAMP DOWN

MAIN BUILDING

BASEMENT MECHANICAL ROOM

1 DEMOLITION PLAN

ME4.01 SCALE: 1/4" = 1'-0"

EXIST. PANEL PB

ADD THE FOLLOWING BREAKERS:

35A/3P FOR PUMP P8

35A/3P FOR PUMP P9

50A/3P FOR PUMP P10

50A/3P FOR PUMP P11

MDP1

MDP2

4000A

1200A

MAIN BUILDING

BASEMENT MECHANICAL ROOM

2 REPLACEMENT PLAN

ME4.01 SCALE: 1/4" = 1'-0"

PAINT ALL NEW AND EXIST.

GAS PIPING IN MECHANICAL

ROOM SAFETY YELLOW. 2

COATS OIL BASED SEMIGLOSS

ENAMEL.

DRIVE RAMP DOW

SHEET NO.

ME4.01

GEXIST. ROOF ACCESS HATCH

DISCONNECT AND DEMO DEDICATED OUTSIDE

AIR VENTILATION UNIT AND ASSOCIATED

CONDENSING UNIT, DISCONNECT SWITCH,

POWER WIRING CONNECTIONS, CONTROLS

WIRING CONNECTIONS, ETC COMPLETE.

EXIST. 5 PSI GAS

PIPE ON ROOF

MECHANICAL AND ELECTRICAL DEMOLITION PLAN NOTES:

1. PRIOR TO DISCONNECTING OR DISASSEMBLING ANY AIR HANDLING EQUIPMENT,

MEASURE AND RECORD THE STATIC PRESSURE PRODUCED IN THE SUPPLY, RETURN,

AND EXHAUST DUCT MAINS FOR EACH SYSTEM WITH THE SYSTEM FAN OPERATING AT

FULL SPEED. THESE READINGS ARE TO BE USED AS A REFERENCE FOR ADJUSTING

NEW EQUIPMENT AIRFLOWS. FOR VAV SYSTEMS, MAKE READINGS WITH ALL VAV BOXES

COMMANDED OPEN.

2. AFTER DISCONNECTING ALL UTILITIES, REMOVE UNIT FROM CURB.

3. REMOVE EXISTING GASKET MATERIAL AND DUCT TRANSITIONS AND FLEX CONNECTORS

AND PREPARE FOR NEW TRANSITION WITH FLEX CONNECTOR.

4. REMOVE EXISTING COUNTER-FLASHING SKIRT ON EXISTING VIBRATION PORTION OF

CURB BY REMOVING ALL SCREWS AND TERMINATION BAR SECURING SKIRT TO BACK

FACE OF COUNTER-FLASHING FLANGE.

5. REMOVE VIBRATION ISOLATED PORTION OF THE EXISTING CURB INCLUDING THE

FLOATING TOP RAIL AND THE SUPPORT SPRINGS AND SPRING HOUSINGS INTEGRAL

WITH THE BASE OF THE CURB.

6. CUT ROOF AS REQUIRED AND REMOVE NAILER FROM CURB.

7. GRIND TOP SURFACES SMOOTH WHERE SPRING HOUSINGS ARE REMOVED.

8. PREPARE CURB FOR INSTALLATION OF NEW 8" HEIGHT EXTENSION OF EXISTING CURB,

WITH ADAPTER TO TRANSITION DIMENSIONS AS REQUIRED TO SUIT NEW UNIT. INCLUDE

A NEW 2x4 TREATED WOOD NAILER AT AN ELEVATION OF ~12" ABOVE THE EXISTING

ROOF SURFACE. SECURE CURB EXTENSION TO BASE CURB WITH SELF TAPPING

SCREWS 24" ON CENTER AND WITHIN 6" OF CORNERS.

DEMO ROOF CURB VIBRATION ISOLATION RAIL,

SPRINGS AND HOUSINGS COMPLETE. SEE

DEMOLITION PLAN NOTES.

DISCONNECT AND DEMO 27.5T GAS PACKAGED

UNIT AND ASSOCIATED DISCONNECT SWITCH,

GAS PIPING, POWER WIRING CONNECTIONS,

CONTROLS WIRING CONNECTIONS, ETC

COMPLETE.

ANNEX CLASSROOM

ROOF LEVEL

1 MECHANICAL/ELECTRICAL DEMOLITION PLAN

ME4.02 SCALE: 1/4" = 1'-0"

NA AL

PER

SHEET NO.

ME4.02

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

HVAC Equipment Replacement for Northeast Middle School

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See also