Northwest HS Generator Replacement - Bid Drawings (03.26.24).pdf

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Attached to
9774. 1 Generator and Electrical Equipment Replacement at Northwest HS
Solicitation number
BPM044089
Issued by
Montgomery County, Galesville CDP, Maryland

About this file

This document is a set of bid drawings and specifications for the replacement of generators and electrical equipment at Northwest High School in Germantown, Maryland, which is located in Montgomery County. The scope of work generally consists of two phases. Phase 1 involves providing conduits and raceways for the new generator, a new concrete pad, and connecting existing lighting fixtures to the emergency lighting circuits. Phase 2 includes providing the new generator and associated equipment, connecting existing boilers, kitchen refrigeration, telecom room, and lighting fixtures to the new standby power system. The work must comply with various building codes and standards. The project is being bid by Montgomery County Public Schools. No specifics are provided regarding pricing, set asides, incumbents, funding sources, or contract term.

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MECHANICAL

T-1 TITLE SHEET

ELECTRICAL

VICINITY PLAN DRAWING INDEX

BOARD OF EDUCATION

MECHANICAL AND ELECTRICAL ENGINEERS

JAMES POSEY ASSOCIATES, INC.

11155 RED RUN BOULEVARD, SUITE 310

BALTIMORE, MARYLAND 21117

PHONE: 410.265.6100

Maryland Professional Engineer Registration No. 24861 (Date)

These contract documents for Northwest High School were prepared under my supervision and to the best of my knowledge, information, and belief, they comply with the relevant building codes of the State of Maryland.

PROFESSIONAL CERTIFICATION

03/26/2024

CODE ANALYSIS

E

EXISTING BLDG

IIB

N

Y

Y

342,101 SF

PROPOSED ALTERATION

THE SCOPE OF THIS WORK IS

TO REPLACE EXISTING

GENERATOR AND REVISE

NORMAL LIGHTING CIRCUITS

IN TOILET ROOMS, BOILER

ROOM AND ELEC ROOM TO

EMERGENCY LIGHTING.

THERE IS NO INCREASE IN

FLOOR AREA, NO SITE

CHANGES, NO CHANGE IN

CLASSIFICATION OR TYPE OF

CONSTRUCTION.

(FROM INTERNATIONAL BUILDING CODE/2018)

IBC OCCUPANCY CLASSIFICATION

TYPE OF CONSTRUCTION

NUMBER OF STORIES ABOVE GRADE

HIGH RISE (Y/N)

FIRE ALARM (Y/N)

FULLY SPRINKLERED (Y/N)

TOTAL BUILDING FLOOR AREA

SYMBOLS LIST, ABBREVIATIONS, AND DETAILS

FIRST FLOOR REFERENCE DRAWING

SECOND FLOOR REFERENCE DRAWING

THIRD FLOOR REFERENCE DRAWING

PART FIRST FLOOR PLANS - DEMOLITION

PART FIRST FLOOR PLANS - NEW WORK

PART FIRST FLOOR PLANS - DEMOLITION / NEW WORK

PART FIRST FLOOR PLANS - DEMOLITION / NEW WORK

PART FIRST AND SECOND FLOOR PLANS - DEMOLITION / NEW WORK

PART SECOND FLOOR PLANS - DEMOLITION / NEW WORK

PART SECOND FLOOR PLANS - DEMOLITION / NEW WORK

PART THIRD FLOOR PLANS - DEMOLITION / NEW WORK

PART THIRD FLOOR PLANS - DEMOLITION / NEW WORK

POWER RISER DIAGRAMS

SCHEDULES

E-0 E-1 E-2 E-3 E-4 E-5 E-6 E-7 E-8 E-9 E-10 E-11 E-12 E-13 E-14

DIAGRAMS, SYMBOLS AND ABBREVIATIONS

PART FIRST FLOOR PLANS - DEMOLITION / NEW WORK

M-1 M-2

AERIAL SITE PLAN

SCOPE OF WORK GENERALLY CONSISTS OF THE FOLLOWING OVER TWO PHASES. PHASE 1 SHALL CONSIST OF THE FOLLOWING:

* PROVIDE CONDUITS AND RACEWAYS FOR NEW GENERATOR.

* PROVIDE CONDUITS AND RACEWAYS FOR NEW DEVICES AND CONNECTIONS TO EXISTING EQUIPMENT. FINAL CONNECTIONS TO

NEW DEVICES AND EXISTING EQUIPMENT SHALL BE PERFORMED DURING THE SECOND SUMMER.

* PROVIDE NEW CONCRETE PAD FOR NEW GENERATOR.

* CONNECT LIGHTING FIXTURES IN TOILET ROOMS ON NORMAL CIRCUITS TO EXISTING EMERGENCY LIGHTING CIRCUITS, WHERE

INDICATED ON DRAWINGS.

PROJECT SCOPE SHALL INCLUDE THE WORK FOR PHASE 2:

* PROVIDE NEW GENERATOR AND ASSOCIATED EQUIPMENT.

* CONNECT EXISTING BOILERS AND ASSOCIATED PUMPS TO THE NEW STANDBY PANELBOARD.

* CONNECT EXISTING KITCHEN REFRIGERATION EQUIPMENT TO NEW STANDBY PANELBOARD.

* CONNECT EXISTING MAIN TELECOM ROOM RECEPTACLES TO THE NEW STANDBY PANELBOARD.

* CONNECT NORMAL LIGHTING FIXTURES IN THE MAIN MECHANICAL ROOM/BOILER ROOM AND MAIN ELECTRICAL ROOM TO THE NEW

EMERGENCY PANELBOARD.

* CONNECT LIGHTING FIXTURES IN TOILET ROOMS ON NORMAL CIRCUITS TO THE NEW EMERGENCY PANELBOARD, WHERE INDICATED

ON DRAWINGS.

THE SCOPE OF WORK INDICATED ON THIS SHEET IS INTENDED AS A BRIEF SUMMARY FOR GENERAL INFORMATIONAL PURPOSES ONLY, AND DOES NOT NECESSARILY INCLUDE ALL OF THE WORK REQUIRED. THE CONTRACTOR SHALL PROVIDE MATERIALS AND LABOR AS

REQUIRED TO COMPLETE THE WORK AS INDICATED IN THE CONTRACT DOCUMENTS.

SCOPE OF WORK

2018 IBC: INTERNATIONAL BUILDING CODE

2018 IMC: INTERNATIONAL MECHANICAL CODE

2018 IPC: INTERNATIONAL PLUMBING CODE WITH WSSC AMENDMENTS

ASHRAE 90.1: ENERGY STANDARD FOR BUILDINGS EXCEPT LOW RISE RESIDENTIAL BUILDINGS.

NEC 2017: NATIONAL ELECTRICAL CODE

ASHRAE 2017-2020 HANDBOOKS.

APPLICABLE CODES & STANDARDS

4 0

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

8 8 16

EXCEPT WHERE DIMENSIONS ARE INDICATED,

GRAPHIC SCALE MUST BE USED.

CAUTION:

8 321616

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

GRAPHIC SCALES

2 0

SCALE: 1/4" = 1'-0"

4 4 8

DR. MONIQUE T. FELDER

MR. SETH P. ADAMS

MS. KARLA SILVESTRE

MS. LYNNE HARRIS

MS. BRENDA WOLFF

MS. GRACE RIVERA-OVEN

MRS. SHEBRA L. EVANS

MS. JULIE YANG

MRS. REBECCA SMONDROWSKI

MR. SAMI SAEED

INTERIM SUPERINTENDENT

ASSOCIATE SUPERINTENDANT,

OFFICE OF FACILITIES MANAGEMENT

PRESIDENT / AT-LARGE

VICE PRESIDENT / AT-LARGE

DISTRICT 5

DISTRICT 1

DISTRICT 4

DISTRICT 3

DISTRICT 2

STUDENT MEMBER

2024 Google - Map data 2024 Googlec c 2024 Google - Map data 2024 Googlec c

TITLE SHEET

T-1

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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BID SET 03/26/24

PSC No

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

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No. 24861

P T

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UEZ

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13501 RICHTER FARM ROAD, GERMANTOWN, MD 20874

AutoCAD SHX Text Montgomery County Public Schools

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NORTHWEST HIGH SCHOOL

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CODE ANALYSIS

AutoCAD SHX Text Generator and Electrical Equipment Replacement

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MECHANICAL SYMBOLS AND ABBREVIATIONS

TYP

OA

NO

NIC

MBH

EXH

CFM

A/D

TYPICAL

OUTDOOR AIR

NORMALLY OPEN

NOT IN CONTRACT

THOUSAND BTU'S PER HOUR

EXHAUST

CUBIC FEET PER MINUTE

ACCESS DOOR

DRAWING M1

DETAIL OR DIAGRAM NO. 3 SHOWN ON

POINT OF CONNECTION, NEW TO EXISTING

SHUT-OFF VALVE

STRAINER

FLOW DIRECTION ARROW

ECCENTRIC REDUCER

CONCENTRIC REDUCER

PRESSURE REDUCING / REGULATING VALVE

UNION

PIPE CAP OR PLUG

FT FEET

M1

CONCRETECONC

INDICATES DIAMETER

EXHAUST AIREA

UNLESS OTHERWISE NOTEDUON

RX REMOVE EXISTING

POUNDS PER SQUARE INCHPSI

MAXIMUMMAX

IN INCH, INCHES

GALV GALVANIZED

FLOORFL

DIAMETERDIA

BLW BELOW

AFF ABOVE FINISHED FLOOR

BLDG BUILDING

CLG CEILING

MECH MECHANICAL

MINIMUMMIN

NORMALLY CLOSEDNC

MEDIUM PRESSURE GAS PIPEG (2 PSI)

EXISTINGEX

DEMOLITION WORK TERMINATION POINT

EXISTING TO REMAINETR

MANUFACTURERMFR

ABOVEABV

TO DRAWING ON WHICH IT OCCURS.

SYMBOL FOR SPECIFIC NOTE. NOTE APPLIES

DOMESTIC COLD WATER PIPECW

GAS PIPEG

BTUH BRITISH THERMAL UNITS PER HOUR

AAV AUTOMATIC AIR VENT

ø

MCPS MONTGOMERY COUNTY PUBLICK SCHOOLS

GAUGE COCK / TEST PORT

METER

SOLENOID VALVE

M

LOW PRESSURE GAS PIPEG

CFH CUBIC FEET PER HOUR

70'

MAIN LEVEL

UPPER LEVEL

LOWER FLOOR

MAIN LEVEL

UPPER LEVEL

ABOVE GROUND PIPE: SCHEDULE 40 STEEL PIPE

PIPE AND VENT REGULATORS PER IFGC 2018

408, 410.2 AND 410.3

BELOW GROUND PIPE: POLYETHYLENE PIPE

DIAGRAM 2

M-1

GAS RISER

NOT TO SCALE

MECH YARDGRADE

ROOF ROOF

LOWER FLOOR

GRADE

EX 6"

EX BOILER B-2

(5650 CFH)

EX 6"

EX 4"

EX BOILER B-1

(5650 CFH)

EX 4"

EX 3"

EX DWH-1

(199 CFH)

EX DWH-1

(199 CFH)

EX 2"

EX 2"

EX KITCHEN UTILITY

RACEWAY (540 CFH)

RX GENERATOR

(1560 CFH)

NEW GENERATOR

(3620 CFH)

EX DRYER

(125 CFH)

EX 1 1/4"

EX 1 1/4"

EX 1"

EX 1 1/2"

EX 1 1/4"

EX 1 1/4"

EX SCIENCE

LABS (54 CFH)

EX SCIENCE

LABS (54 CFH)

EX SCIENCE

LABS (54 CFH)

EX 1" EX 1"EX 1" EX 1"

EX 3"

G G

GG

G

EX 2 1/2"

EX BOILER HWB-1

(1400 CFH)

EX 2"

EX 3"

EX SCIENCE

LABS (90 CFH)

EX 1 1/4"

EX SCIENCE

LABS (100 CFH)

EX 1 1/4"EX 1 1/4"EX 1 1/4"

EX 1 1/2"EX 1 1/2"

G

EX 1"

EX SCIENCE

LABS (54 CFH)

EX SCIENCE

LABS (100 CFH)

EX SCIENCE

LABS (90 CFH)

EX 3" (BELOW

GRADE)

EX BOILER HWB-2

(1400 CFH)

EX 3"

EX 2"EX 2"

GRADE

RX 2 1/2"

EX 3"

M

EX 4"

EX 3"

EX 2"

EX 3"

EX 3"

EX 4"

G (2 PSI)

G (2 PSI)

GRADE

EX METER BY

WASH GAS

(ROOTS 11M175)

EX FLOW: 17,319 CFH AT 2 PSI

NEW FLOW: 19,379 CFH AT 2 PSI

WASHINGTON GAS

SERVICE ASSEMBLY

2"

G (2 PSI)

DIAGRAM 1

M-1

EQUIPMENT CONNECTION

NOT TO SCALE

2" GAS (2 PSI)

SHUT OFF VALVE

TEST PORT (TYP)

6" LONG CAPPED DIRT LEG

MIN 10 PIPE DIAMETERS

EMERGENCY

GENERATOR

PRESSURE REDUCING VALVE

(2 PSI INLET, 11" WC OUTLET)

1 PIPE SIZE LARGER THAN

EQUIPMENT CONNECTION SIZE

SEE ELECTRICAL

DRAWINGSEQUIPMENT

CONNECTION

POINT

GRADE

CONCRETE PAD

PIPE THRU EQUIPMENT BASE

G (2 PSI)

G (2 PSI)

G (2 PSI) G (2 PSI)

G (2 PSI)

M-1

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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BID SET 03/26/24

PSC No

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 33986, Expiration date: 01-16-2025.

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33986

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DIAGRAMS, SYMBOLS

AND ABBREVIATIONS

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M-2

FIRST FLOOR PART PLAN

DEMOLITION

SCALE:1/4"=1'-0"

MECHANICAL

134ELECTRICAL

134A

TRASH

CONTROL

EX BOILER B-2

EX PUMP P-11

EX PUMP P-12

EX PUMP P-9

EX PUMP P-10

EX PUMP P-3

EX PUMP P-1

MECH SERVICE

YARD

LOADING DOCK

CORRIDOR

MECH

164A

WEIGHT

DANCE

EX CONCRETE

PAD ON GRADE

EX PAVING

EX BOILER B-1

EX PUMP P-5

EX PUMP P-6

EX PUMP P-7

M-2

FIRST FLOOR PART PLAN

DEMOLITION

SCALE:1/4"=1'-0"

M-2

FIRST FLOOR PART PLAN

NEW WORK

SCALE:1/4"=1'-0"

M-2

FIRST FLOOR PART PLAN

NEW WORK

SCALE:1/4"=1'-0"

EMERGENCY GENERATOR

(SEE ELEC DRAWINGS)

DIRT LEG

SEE DIAGRAM 2

M-1

INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING CONDITIONS

HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR GENERAL FIELD

OBSERVATIONS AND MAY NOT INDICATE EXISTING CONDITIONS IN DETAIL OR

DIMENSION. DETERMINE EXISTING CONDITIONS PRIOR TO FABRICATION OR

PERFORMANCE OF ANY WORK. SHOULD CONDITIONS BE DISCOVERED THAT

PREVENT EXECUTION OF THE WORK AS INDICATED, IMMEDIATELY NOTIFY THE

ENGINEER IN WRITING AND AWAIT DIRECTION BEFORE PROCEEDING WITH THE

WORK.

DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF MATERIALS.

DO NOT ABANDON IN PLACE ANY MECHANICAL AND RELATED ELECTRICAL

COMPONENTS UNLESS OTHERWISE NOTED ON DRAWINGS.

UNLESS OTHERWISE NOTED, MECHANICAL/PLUMBING ITEMS SHOWN HEAVY

DASHED ( ) SHALL BE REMOVED, ITEMS SHOWN HEAVY SOLID SHALL BE

NEW ( ) AND ITEMS SHOWN LIGHT ( ) SHALL REMAIN.

C.

B.

A.

GENERAL NOTES:

D. NEW GENERATOR AND GAS PIPING TO BE INSTALLED BEFORE EXISTING IS REMOVED.

REFER TO ELECTRICAL DRAWINGS FOR ADDITIONAL PHASING INFORMATION.

NORTH NORTH

NORTH NORTH

EX TRANSFORMER

RX EMERGENCY

GENERATOR (SEE

ELEC DWGS)

EX CHILLER-2 EX COOLING

TOWER CT-1

EX DOMESTIC WATER

HEATER DWH-2

EX DOMESTIC WATER

HEATER DWH-1

EX CHILLER CH-1

MECH SERVICE

YARD

EX CHILLER-3

EX PUMP CHWP-1

EX PUMP CHWP-2

EX PUMP HWP-1

EX PUMP HWP-2

EX BOILER HWB-2

EX BOILER HWB-1

EX SIDEWALK

EX GRASS

G

EX 3"

EX 2"

G

EX 2"

EX 2"

EX 6"

EX 4"

EX 2"

RX 2 1/2"

EX 3" (BLW GRADE)

EX 3" (BLW GRADE)

EX 3" G (2 PSI) SERVICE

BELOW GRADE

M

EX GAS SERVICE

SEE DIAGRAM

M-1

X

X

X

X

G (2

P

SI

MECHANICAL

134ELECTRICAL

134A

TRASH

CONTROL

EX BOILER B-2

EX PUMP P-11

EX PUMP P-12

EX PUMP P-9

EX PUMP P-10

EX PUMP P-3

EX PUMP P-1

MECH SERVICE

YARD

LOADING DOCK

CORRIDOR

MECH

164A

WEIGHT

DANCE

EX CONCRETE

PAD ON GRADE

EX PAVING

EX BOILER B-1

EX PUMP P-5

EX PUMP P-6

EX PUMP P-7

EX TRANSFORMER

EX CHILLER-2 EX COOLING

TOWER CT-1

EX DOMESTIC WATER

HEATER DWH-2

EX DOMESTIC WATER

HEATER DWH-1

EX CHILLER CH-1

MECH SERVICE

YARD

EX CHILLER-3

EX PUMP CHWP-1

EX PUMP CHWP-2

EX PUMP HWP-1

EX PUMP HWP-2

EX BOILER HWB-2

EX BOILER HWB-1

EX SIDEWALK

EX GRASS

G

EX 3"

EX 2"

G

G (2 PSI)

G (2

P

SI

EX 2"

EX 2"

EX 6"

EX 4"

EX 2"

EX 3"

EX 3" (BLW GRADE)

EX 3" (BLW GRADE)

EX 3" G (2 PSI) SERVICE

BELOW GRADE

M

EX GAS SERVICE

SEE DIAGRAM

M-1

X

X

X

X

2"

G (2

P

SI

G (2 PSI)

G (2

P

SI

EX 3"

G (2

P

SI

M-2

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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4 0

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

8 8 16

BID SET 03/26/24

PSC No

N

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 33986, Expiration date: 01-16-2025.

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33986

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PART FIRST

FLOOR PLANS -

DEMOLITION / NEW WORK

M-2

M-2

M-2

M-2

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DENOTES REFERENCE TO SPECIFIC NOTE ON DRAWING.

DETAIL, DIAGRAM, OR PLAN NUMBER

DRAWING NUMBER WHERE DETAIL, DIAGRAM, OR PLAN IS LOCATED.

DETAIL REFERENCE: DETAIL, DIAGRAM, OR PLAN NUMBER/DRAWING NUMBER

E-0

1/E-0

HOMERUN TO PANELBOARD. NUMBER OF ARROW HEADS INDICATES NUMBER OF CIRCUITS.

NUMBER OF HASH MARKS INDICATES NUMBER OF CONDUCTORS. WHERE NO HASH MARKS

APPEAR, PROVIDE TWO (2) CONDUCTORS PLUS GROUND. REFER TO PANEL SCHEDULES FOR

CONDUCTOR SIZES. PROVIDE GROUND WIRES IN CONDUITS.

WIRING IN CONDUIT RUN CONCEALED IN CEILING SPACE ABOVE CEILINGS AND EXPOSED IN OPEN

CEILINGS, UNLESS OTHERWISE NOTED. WIRING IN CONDUIT DESIGNATED WITH "EM" DENOTE

EMERGENCY LIGHTING CIRCUIT. PROVIDE GROUND WIRES IN CONDUITS.

WIRING IN SURFACE METAL RACEWAY.

WIRING IN CONDUIT CONTINUED.

WIRING IN CONDUIT TURNING DOWN.

JUNCTION BOX WITH COVER PLATE, CEILING OR WALL MOUNTED.

PULLBOX, SIZED AS REQUIRED.

ELECTRIC PANELBOARD 120/208V, SURFACE MOUNTED.

ELECTRIC PANELBOARD 277/480V, SURFACE MOUNTED.

BOX OR CABINET AS INDICATED, SURFACE MOUNTED.

AUTOMATIC TRANSFER SWITCH.

ENCLOSED CIRCUIT BREAKER.

ENCLOSED SWITCH (DISCONNECT/SAFETY SWITCH) IN NEMA TYPE 1 ENCLOSURE, UNLESS

OTHERWISE NOTED. MOUNT 5'-6" ABOVE FLOOR TO TOP OF ENCLOSURE, UNLESS OTHERWISE

NOTED. RATING AND FUSING AS INDICATED.

COMBINATION MOTOR STARTER IN NEMA TYPE 1 ENCLOSURE. MOUNT 5'-6" ABOVE FLOOR TO TOP

OF ENCLOSURE.

PHASE AND VOLTAGE PROTECTION DEVICE (PHASE LOSS MONITOR) IN NEMA TYPE 1 ENCLOSURE, MOUNTED ADJACENT TO COMBINATION STARTER. PROVIDE 4 #10 IN 3/4" CONDUIT TO

COMBINATION STARTER AND MAKE CONNECTIONS.

HARD-WIRED ELECTRICAL CONNECTION. CONNECT TO EQUIPMENT AS NOTED.

SURGE PROTECTIVE DEVICE.

TAMPER-RESISTANT DUPLEX RECEPTACLE (NEMA 5-20R) ON GENERATOR STANDBY POWER

CIRCUIT, SURFACE WALL-MOUNTED 48" ABOVE FLOOR TO TOP OF BOX.

TAMPER-RESISTANT DOUBLE-DUPLEX (QUADRUPLEX) RECEPTACLE (NEMA 5-20R) ON GENERATOR

STANDBY POWER CIRCUIT, SURFACE WALL-MOUNTED 16" ABOVE FLOOR TO BOTTOM OF BOX,

UNLESS OTHERWISE NOTED TO BE MOUNTED AT TOP OF DATA RACK.

TAMPER-ESISTANT DUPLEX RECEPTACLE (NEMA 5-20R), WEATHER-RESISTANT AND GFCI-TYPE

WITH WEATHERPROOF WHILE-IN-USE COVER, ON GENERATOR STANDBY POWER CIRCUIT,

SURFACE MOUNTED 24" ABOVE FLOOR TO BOTTOM OF BOX.

TAMPER-RESISTANT DUPLEX RECEPTACLE (NEMA 5-20R) ON GENERATOR STANDBY POWER

CIRCUIT, CEILING-MOUNTED.

PROVIDE DEDICATED NEUTRAL CONDUCTOR FOR EACH BRANCH CIRCUIT.

THE EXISTING FACILITY WILL REMAIN IN OPERATION DURING RENOVATION. INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE SHALL BE COORDINATED WITH THE USER TO MINIMIZE

DISRUPTION. INTERRUPTION OF UTILITIES SHALL NOT OCCUR DURING SCHOOL WORK HOURS.

A.

B.

NOTES:

GENERAL

POWER

DEMOLITION

J

DISCONNECT AND REMOVE EXISTING WIRING IN CONDUIT.

DISCONNECT AND REMOVE EXISTING HOMERUN WIRING IN CONDUIT BACK TO SOURCE.

DISCONNECT AND REMOVE PANELBOARD OR CABINET AS INDICATED.

DISCONNECT AND REMOVE TRANSFORMER.

DISCONNECT AND REMOVE ENCLOSED SWITCH (DISCONNECT/SAFETY SWITCH).

DISCONNECT AND REMOVE RECEPTACLE.

EXISTING TO REMAIN CEILING OUTLET AND LIGHTING FIXTURE.

EXISTING TO REMAIN CEILING OUTLET AND LIGHTING FIXTURE ON GENERATOR POWER CIRCUIT, OR PREVIOUSLY ON NORMAL POWER CIRCUIT AND CHANGED TO GENERATOR POWER CIRCUIT.

EXISTING WALL PACK ON EMERGENCY CIRCUIT.

EXISTING TO REMAIN WALL MOUNTED EXIT SIGN.

EXISTING TO REMAIN CEILING MOUNTED EXIT SIGN.

EXISTING TO REMAIN TOGGLE SWITCH.

EXISTING TO REMAIN KEY SWITCH.

EXISTING TO REMAIN PANELBOARD, 277/480V OR 120/208V, SURFACE OR RECESSED MOUNTED, EXISTING TO REMAIN EQUIPMENT CABINET AS INDICATED.

EXISTING TO REMAIN WIRING IN CONDUIT.

EXISTING TO REMAIN WIRING IN CONDUIT CONTINUED.

EXISTING TO REMAIN HOMERUN WIRING IN CONDUIT BACK TO SOURCE.

EXISTING TO REMAIN CEILING MOUNTED JUNCTION BOX.

EXISTING MOTOR CONNECTION.

EXISTING EQUIPMENT CONNECTION.

EXISTING TO REMAIN ENCLOSED SWITCH (DISCONNECT/SAFETY SWITCH).

EXISTING TO REMAIN MOTOR STARTER.

EXISTING TO REMAIN VARIABLE FREQUENCY DRIVE.

EXISTING TO REMAIN SURFACE MOUNTED RECEPTACLE.

EXISTING TO REMAIN RECESSED MOUNTED RECEPTACLE.

EXISTING TO REMAIN RECEPTACLE ON GENERATOR CIRCUIT.

EXISTING

S E

S K E

S3 E

N

GENERATOR

EQUIPMENT GROUNDING

CONDUCTOR. REFER TO

RISER DIAGRAM FOR SIZE

N H

NEUTRAL TERMINAL

OUTPUT CIRCUIT BREAKER

(TYPICAL)

PROVIDED BY MANUFACTURER

G

#2 GROUNDING ELECTRODE

CONDUCTOR

GROUND ROD

G

GROUNDING TERMINAL

#2 SYSTEM BONDING JUMPER

H = "HOT" ENERGIZED CONDUCTOR, TYPICAL OF 1 PER PHASE.

N = NEUTRAL GROUNDED CONDUCTOR.

#2 BONDING JUMPER

H N G

TO ATS-1 VIA GENERATOR

DOCKING STATION

TO ATS-2

DIAGRAM3

E-0 GENERATOR GROUNDING WIRING

NOT TO SCALE

DETAIL1

E-0 GENERATOR CONCRETE PAD

NOT TO SCALE

DETAIL2

E-0 TYPICAL UFER GROUND

NOT TO SCALE

UFER GROUND AT

GENERATOR PAD

FIRE DETECTION AND ALARM

MM MONITOR MODULE.

UFER GROUND

(REFER TO

DETAIL 2/E-0)

2" MINIMUM COVER

8" THICK CONCRETE MINIMUM

EQUIPMENT DIMENSION 8"

6" COMPACTED GRAVEL BASE

8" MINIMUM

GRADE

MI

NI

MU

M

UNDISTURBED EARTH

OR COMPACTED BACKFILL

3/4"

CHAMFER

4500 PSI CONCRETE

6" MIN.

MECHANICALLY FASTEN SIGN TO FRONT OF MAIN SWITCHBOARD

EMERGENCY AND STANDBY POWER

300KW, 277/480 VOLTS, 3-PHASE, 4-WIRE

NATURAL GAS GENERATOR

LOCATED OUTDOORS

OUTSIDE COOLING TOWER ENCLOSURE

E-0

DETAIL

PLACARD AT MAIN SERVICE

NOT TO SCALE

8"

GENERATOR DOCKING STATION

FOR CONNECTIONS TO A TEMPORARY PORTABLE GENERATOR

CONFIGURE TEMPORARY PORTABLE GENERATOR WITH

GENERATOR NEUTRAL CONNECTED TO GENERATOR GROUND.

GENERATOR SHALL BE A SEPARATELY DERIVED SYSTEM.

DETAIL6

E-0 PLACARD AT GENERATOR DOCKING STATION

NOT TO SCALE

MECHANICALLY FASTEN SIGN TO FRONT OF GENERATOR DOCKING STATION

GROUND SOIL

BARE COPPER CONDUCTOR #4

GROUNDING ELECTRODE

CONDUCTOR TO GENERATOR

GROUND

CONCRETE

FOUNDATION

BARE COPPER CONDUCTOR, #4 AWG

MINIMUM, OR STEEL REINFORCING BAR

1/2" DIAMETER, 20' LENGTH MINIMUM

NONMETALLIC

PROTECTIVE SLEEVE

2" MINIMUM COVER

SPLICE CONNECTION,

FASTENERS AS REQUIRED

#4 REINFORCEMENT BARS

12" ON-CENTERS BOTH WAYS

S K 3E

J

D

M S M

VFD

D

WP

ELECTRICAL SYMBOLS AND ABBREVIATIONS

CB

ATS

SPD

ABBREVIATIONS

AMPERE(S)

AIR-CONDITIONING

AMPERES INTERRUPTING CAPACITY

AUTOMATIC TRANSFER SWITCH

AUDITORIUM

BUILDING SERVICES

CONDUIT

CIRCUIT BREAKER

CHILLED WATER PUMP

CURRENT TRANSFORMERS

DISTRIBUTION

EMERGENCY

ENERGY MANAGEMENT SYSTEM

EMERGENCY POWER OFF

EXISTING TO REMAIN

EXISTING

FIRE ALARM CONTROL PANEL

FLOOR

GROUND, GFCI (RECEPTACLE)

GENERATOR

GROUND FAULT CIRCUIT INTERRUPTER

HOT

HORSEPOWER

HEATING AND VENTILATION UNIT

HEATING WATER BOILER

HEATING WATER PUMP

A, AMP

A/C

AIC

ATS

AUD

BS

C

CB

CHWP

CT

DIST

EM

EMS

EPO

ETR

EX

FACP

FL

G

GEN

GFCI

H

HP

HV

HWB

HWP

KVA

KW

LTG

MCPS

MDF

MIN

N P

PA

PH

PSI

PVC

REC

REFRIG

RM

RX

SPD

V

VFD

W

WP

XFMR

KILOVOLT-AMPERES

KILOWATTS

LIGHTING

MONTGOMERY COUNTY

PUBLIC SCHOOLS

MAIN DISTRIBUTION FRAME

MINIMUM

NEUTRAL

POLE(S) OR PUMP

PUBLIC ADDRESS

PHASE

POUNDS PER SQUARE INCH

POLYVINYL CHLORIDE

RECEPTACLE

REFRIGERATOR

ROOM

REMOVE EXISTING

SURGE PROTECTIVE DEVICE

VOLT(S)

VARIABLE FREQUENCY DRIVE

WIRE(S)

WEATHERPROOF &

WEATHER-RESISTANT

TRANSFORMER

AND

G

AUTOMATIC TRANSFER SWITCH

4-POLE

H

NORMAL POWER SOURCE

SEPARATELY DERIVED

GENERATOR POWER SOURCE

N

H N

TO LOAD

GENERATOR EQUIPMENT

GROUNDING CONDUCTOR.

REFER TO RISER DIAGRAM

FOR SIZE.

NORMAL POWER

EQUIPMENT GROUNDING

CONDUCTOR

N

H

G

H = "HOT" ENERGIZED CONDUCTOR, TYPICAL OF 1 PER PHASE.

N = NEUTRAL GROUNDED CONDUCTOR.

G

BONDING JUMPER BY

MANUFACTURERG

ATS GROUNDING TERMINAL

NEUTRAL TRANSFER

PHASE TRANSFER

(TYPICAL 1 PER PHASE)

EQUIPMENT GROUNDING

CONDUCTOR. REFER TO

RISER DIAGRAM FOR SIZE

E-0

DIAGRAM

AUTOMATIC TRANSFER SWITCH GROUND WIRING

NOT TO SCALE

E-0

DETAIL

GENERATOR DUCTBANK

NOT TO SCALE

PVC SCHEDULE 40

CONDUIT

UNDERGROUND

METALLIC

WARNING TAPE

COMPACTED CLEAN

BACKFILL

3" MINIMUM

" M

IN

IM

UM

B

EL

OW

F

IN

IS

HE

D

GR

AD

E

E-0

DETAIL

DIRECTLY-BURIED CONDUIT

NOT TO SCALE

" M

IN

IM

UM

3"

3"

3"

2"

3"

1" CONDUITS FOR

BATTERY CHARGER,

BLOCK HEATER,

CONTROL CIRCUITS,

AND GROUND

WARNING TAPE

12" BELOW FINISHED GRADE

3000 PSI WITH PEA GRAVEL

CONCRETE ENCASING CONDUITS

FINISHED GRADE

GENERATOR PVC CONDUIT

(SIZE AS REQUIRED)

P

PROVIDE CAP

1" CHAMFER ALL EDGES

15"

FINISHED GRADE

24"

E-0

DETAIL

STEEL BOLLARD

NOT TO SCALE

4" DIAMETER x 6'-0"

LONG STEEL PIPE

PAINT WITH ALTERNATE 6"

BLACK AND YELLOW STRIPES

D

D M

E-0

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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O M

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C O

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TY

P

U

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IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

R

EENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

SYMBOLS LIST ,

ABBREVIATIONS

AND DETAILS

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GENERAL NOTES:

INFORMATION SHOWN ON THIS DRAWING PERTAINING TO EXISTING

CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

A.

SPECIFIC NOTES:

1 PROPOSED ROUTE FOR FEEDER S1A-2 FOR PANEL S1B.

E-1

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REFERENCE PLAN

SCALE:1"=20'-0"

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E-1

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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N

TG

O M

ER

Y

C O

U N

TY

P

U

BL

IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

N

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

REENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

FIRST FLOOR

REFERENCE DRAWING

10 0

SCALE: 1" = 20'-0"

20 20 40

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

A.

E-2

SECOND FLOOR

REFERENCE PLAN

SCALE:1"=20'-0"

E-9

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E-2

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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EN

T

M O

N

TG

O M

ER

Y

C O

U N

TY

P

U

BL

IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

REENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

SECOND FLOOR

REFERENCE DRAWING

10 0

SCALE: 1" = 20'-0"

20 20 40

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

A.

E-3

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REFERENCE PLAN

SCALE:1"=20'-0"

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Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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N , M

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TG

O M

ER

Y

C O

U N

TY

P

U

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IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

REENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

THIRD FLOOR

REFERENCE DRAWING

10 0

SCALE: 1" = 20'-0"

20 20 40

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

THE EXISTING FACILITY SHALL REMAIN IN OPERATION DURING RENOVATION.

INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE SHALL BE

COORDINATED WITH THE OWNER TO MINIMIZE DISRUPTION. INTERRUPTION

OF UTILITIES SHALL NOT OCCUR DURING SCHOOL WORKING HOURS.

REMOVE AND REINSTALL EXISTING CEILING TILES WITHIN CONSTRUCTION

AREAS AS REQUIRED.

CONSTRUCTION SHALL BE PERFORMED IN PHASES. AVOID INTERRUPTION TO

ANY SERVICES. GENERATOR POWER DISTRIBUTION SYSTEM SHALL BE

OPERATIONAL AT ALL TIMES WHEN SCHOOL IS IN SESSION.

UNLESS OTHERWISE NOTED, ELECTRICAL ITEMS SHOWN HEAVY DASHED

( ) SHALL BE REMOVED AND ELECTRICAL ITEMS SHOWN LIGHT SOLID

( ) SHALL REMAIN.

DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF

MATERIALS. DO NOT ABANDON IN PLACE ANY ELECTRICAL COMPONENTS

UNLESS OTHERWISE NOTED ON DRAWINGS.

WHERE EQUIPMENT IS NOTED "DISCONNECT" OR "REMOVE", REMOVE

ASSOCIATED WIRE AND CONDUIT BACK TO SOURCE, UNLESS OTHERWISE

NOTED.

REMOVE EXISTING EQUIPMENT AND DEVICES INDICATED, INCLUDING

ASSOCIATED WIRE AND CONDUIT BACK TO SOURCE UNLESS OTHERWISE

NOTED.

EXISTING CIRCUITS INTERRUPTED BY DEMOLITION, BUT ARE TO REMAIN,

SHALL BE MADE CONTINUOUS.

WHERE DEVICES ARE TO BE REMOVED AND REINSTALLED, PROVIDE WIRE AND

CONDUIT TO NEW LOCATION AS REQUIRED.

IN BLOCK OR CONCRETE WALLS TO REMAIN, PROVIDE STAINLESS STEEL

BLANK COVER PLATES FOR DEVICES REMOVED.

A.

B.

C.

D.

E.

F.

G.

H.

I.

J.

K.

SPECIFIC NOTES:

1 REMOVE EXISTING 400A AUTOMATIC TRANSFER SWITCH AFTER NEW

GENERATOR POWER DISTRIBUTION SYSTEM IS INSTALLED.

DISCONNECT LIGHTING FIXTURE FROM NORMAL LIGHTING CIRCUIT AND

CONNECT TO EXISTING EMERGENCY LIGHTING CIRCUIT AS INDICATED ON NEW

WORK PLAN.

REMOVE WIRING IN CONDUIT BACK TO MCC AND LABEL COMPARTMENT WITH

COMBINATION STARTER AS SPARE.

REMOVE WIRING IN CONDUIT BACK TO MCC AND LABEL COMPARTMENT WITH

CIRCUIT BREAKER AS SPARE.

DISCONNECT EXISTING BRANCH CIRCUITS FROM CIRCUIT BREAKERS.

REMOVE INTERIOR COMPONENTS OF EXISTING PANEL. ENCLOSURE OF PANEL

SHALL REMAIN AND BECOME A PULLBOX.

E-4

PART FIRST FLOOR PLAN

ELECTRICAL / MECHANICAL ROOM - DEMOLITION

SCALE:1/4"=1'-0"

E-4

PART FIRST FLOOR PLAN

MEN'S 139A AND WOMEN'S 139B - NEW WORK

SCALE:1/4"=1'-0"

S K E

S E

S K E S K E

S ES E

S K E

S E

OUTDOOR

SERVICE YARD

OUTDOOR

SERVICE YARD

ELECTRICAL

134A

TRASH

CONTROL

ETR POWER COMPANY

TRANSFORMER

CT SECTION

MAINS

SECTION

MAINS

SECTION

CB

M

ATS

RX PANEL EM

RX PANEL EM1

RX 30KVA

XFMR ETR MCC

ETR FIRE ALARM

CONTROL PANEL

NOTIFIER AFP-400 &

NOTIFIER AFP1010

ETR BOILER B-1

5HP-480V-3PH

ETR BOILER B-2

5HP-480V-3PH

MCC-1-5B

M

D D D VFD VFD

VFD

D D

ETR PUMP P-5

7.5HP-480V-3PH

ETR PUMP P-6

5HP-480V-3PH

ETR PUMP P-7

40HP-480V-3PH

ETR PUMP P-11

5HP-480V-3PH

ETR PUMP P-12

5HP-480V-3PH

ETR PUMP P-9

15HP-480V-3PH

ETR PUMP P-10

15HP-480V-3PH

MCC-5AEM-14MCC-A-3MCC-A-2

D

MCC-C-4

ETR PUMP P-3

7.5HP-480V-3PH

ETR PUMP HWP-12

1/4HP-120V

EM1-7

ETR PUMP HV-4

3HP-480V-3PH

EM-32

MCC-B-5MCC-B-4 MCC-B-3A

ETR PUMP P-1

25HP-480V-3PH

MCC-C-1

S3 E

S3 E

S 3 E

S 3 E

EM-13

VFD

EM-20

3 3 4

S E

S E

S E

S E

S3 E

S 3 E

DISCONNECT AND REMOVE EXISTING

100KW NATURAL GAS GENERATOR

AFTER NEW GENERATOR IS

INSTALLED AND OPERATIONAL.

BUILDING SERVICES

OFFICE (BSO)

LOCKER

131A

STORAGE

127B

1HP1-2,5,7

MECHANICAL

TOILET

131B

MEN'S

139A

WOMEN'S

139B

G DRESS

135D

B DRESS

135E

MAKE-UP

135F

BS

139C

REMOVE EXISTING CONCRETE PAD

AND PATCH AND REPAIR FLOOR TO

MATCH EXISTING CONDITIONS

ETR DISTRIBUTION

PANEL MDPN

BY EATON/

CUTLER-HAMMER

TYPE PRL-4

ETR SWITCHBOARD MDP

BY WESTINGHOUSE /

CUTLER-HAMMER

POW-R-LINE C

277/480V-4000A-3PH-4W

CIRCA 7/11/1997

ETR DISTRIBUTION

PANEL 1HP1

BY WESTINGHOUSE /

CUTLER-HAMMER

ETR DISTRIBUTION

PANEL 1LP1

BY WESTINGHOUSE /

CUTLER-HAMMER

ETR PANEL 1LP2

ETR ENCLOSED CIRCUIT

BREAKER

E-4

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

G

ER

M

AN

TO

W

N , M

D

R

IC

H

TE

R

F

AR

M R

O

AD

N O

R

TH

W

ES

T H

IG

H

S C

H O

O L

G

EN

ER

AT

O R

A N

D E

LE

C

TR

IC

AL

E

Q U

IP

M

EN

T

R

EP

LA

C

EM

EN

T

M O

N

TG

O M

ER

Y

C O

U N

TY

P

U

BL

IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

N

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

REENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

PART FIRST

FLOOR PLANS -

DEMOLITION

E-4

E-4

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KEY PLAN

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

THE EXISTING FACILITY SHALL REMAIN IN OPERATION DURING RENOVATION.

INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE SHALL BE

COORDINATED WITH THE OWNER TO MINIMIZE DISRUPTION. INTERRUPTION

OF UTILITIES SHALL NOT OCCUR DURING SCHOOL WORKING HOURS.

REMOVE AND REINSTALL EXISTING CEILING TILES WITHIN CONSTRUCTION

AREAS AS REQUIRED.

CONSTRUCTION SHALL BE PERFORMED IN PHASES. AVOID INTERRUPTION TO

ANY SERVICES. GENERATOR POWER DISTRIBUTION SYSTEM SHALL BE

OPERATIONAL AT ALL TIMES WHEN SCHOOL IS IN SESSION.

A.

B.

C.

D.

SPECIFIC NOTES:

1 REMOVE EXISTING 400A AUTOMATIC TRANSFER SWITCH AFTER NEW

GENERATOR POWER DISTRIBUTION SYSTEM IS INSTALLED.

PROVIDE 2 #12 + #12 GROUND IN 3/4" CONDUIT AND CONNECT EXISTING

LIGHTING FIXTURES ON NORMAL LIGHTING CIRCUIT IN THE MECHANICAL AND

ELECTRICAL ROOM TO NEW EMERGENCY LIGHTING CIRCUIT AFTER NORMAL

AND EMERGENCY LIGHTS HAVE BEEN DISCONNECTED FROM LIGHTS OUTSIDE

OF THE SPACE.

DISCONNECT LIGHTING FIXTURE FROM NORMAL LIGHTING CIRCUIT AND

CONNECT TO EXISTING EMERGENCY LIGHTING CIRCUIT AS INDICATED ON NEW

WORK PLAN.

PROVIDE 2 #12 + #12 GROUND IN 3/4" CONDUIT AND CONNECT LIGHTS ON

NORMAL LIGHTING CIRCUIT TO EMERGENCY LIGHTING CIRCUIT. EXISTING

NIGHT LIGHT CIRCUIT SHALL REMAIN UN-SWITCHED.

PROVIDE COMBINATION MOTOR STARTER WITH 3P-30A NON-FUSED SWITCH

AND NEMA SIZE 0 STARTER.

PROVIDE STEEL BOLLARD. REFER TO DETAIL 9/E-0 FOR ADDITIONAL

INFORMATION.

PROVIDE GENERATOR DOCKING STATION. REFER TO POWER RISER DIAGRAM

ON DRAWING E-13 FOR ADDITIONAL INFORMATION.

PROVIDE 8'-0" TALL CHAIN LINK FENCE WITH 8'-0" WIDE OPENING AND TWO 4'-0"

WIDE GATES.

PROVIDE 1P-20A CIRCUIT BREAKER IN AVAILABLE SPACE AND PROVIDE

2 #10 + #10G -3/4" CONDUIT. CIRCUIT BREAKER SHALL MATCH EXISTING FOR

TYPE AND AIC RATING.

PROVIDE 2P-40A BREAKER IN AVAILABLE SPACE AND PROVIDE

3 #8 + #10G -1" CONDUIT. CIRCUIT BREAKER SHALL MATCH EXISTING FOR TYPE

AND AIC RATING.

PROVIDE FIRE ALARM WIRING IN CONDUIT AND CONNECT MONITOR MODULES

TO EXISTING FIRE DETECTION AND ALARM SYSTEM FOR "GENERATOR RUN"

AND "GENERATOR FAULT". MAKE CONNECTIONS NECESSARY FOR COMPLETE

INSTALLATION. RE-PROGRAM FIRE ALARM CONTROL PANEL AS REQUIRED.

E-5

PART FIRST FLOOR PLAN

ELECTRICAL / MECHANICAL ROOM - NEW WORK

SCALE:1/4"=1'-0"

MEN'S

139B

WOMEN'S

139A

G DRESS

135D

B DRESS

135E

MAKE-UP

135F

S K E

S E

S K E S K E

BS

139CS ES E

S K E

S E

ETR POWER COMPANY

TRANSFORMER

CT SECTION

MAINS

SECTION

MAINS

SECTION

ETR SWITCHBOARD MDP

BY WESTINGHOUSE /

CUTLER-HAMMER

POW-R-LINE C

277/480V-4000A-3PH-4W

CIRCA 7/11/1997

CB

M

ATS1

PULLBOX

(FORMERLY

EXISTING

PANEL EM)

ETR DISTRIBUTION

PANEL 1HP1

BY WESTINGHOUSE /

CUTLER-HAMMER

ETR DISTRIBUTION

PANEL MDPN

BY EATON/

CUTLER-HAMMER

TYPE PRL-4

ETR MCC

ETR DISTRIBUTION

PANEL 1LP1

BY WESTINGHOUSE /

CUTLER-HAMMER

ETR PANEL 1LP2

ETR BOILER B-1

5HP-480V-3PH

ETR BOILER B-2

5HP-480V-3PH

S1A-7

M

D D D VFD VFD

VFD

D D

ETR PUMP P-5

7.5HP-480V-3PH

ETR PUMP P-6

5HP-480V-3PH

ETR PUMP P-7

40HP-480V-3PH

ETR PUMP P-11

5HP-480V-3PH

ETR PUMP P-12

5HP-480V-3PH

ETR PUMP P-9

15HP-480V-3PH

ETR PUMP P-10

15HP-480V-3PH

S1A-20S1A-14SIA-19S1A-13

D

MCC-C-4

ETR PUMP P-3

7.5HP-480V-3PH

ETR PUMP HWP-12

1/4HP-120V

EM1-7

ETR HV-4

3HP-480V-3PH

SA1-8

MCC-B-5MCC-B-4 MCC-B-3A

ETR PUMP P-1

25HP-480V-3PH

MCC-C-1

S3 E

S3 E

S 3 E

S 3 E

EM-13

VFD

S1A-1

S E

S E

S E

S3 E

S 3 E

EM-1

PANEL EM

PANEL S1A

1HP1-15,17

PANEL EML

PANEL S1R1

E-5

PART FIRST FLOOR PLAN

MEN'S 139A AND WOMEN'S 139B - NEW WORK

SCALE:1/4"=1'-0"

PANEL TEML

PANEL TS1R1

M

P

G WP

4'- 0"

CONCRETE PAD

SEE DETAIL 1/E-0

4'- 0"

4'-0"

BOLLARD

(TYPICAL OF 14)

PROVIDE GENERATOR

ANNUNCIATOR PANEL

ETR ENCLOSED CIRCUIT

BREAKER

D DD D ATS-1

ATS-2

J

1LP2-38

GENERATOR

CIRCUIT BREAKER FOR ATS-1

CIRCUIT BREAKER FOR ATS-2STRIP HEATER & BATTERY

CHARGER

BLOCK HEATER

6KW-208V-1Ø

S1R1-27,29

1LP2-40

TO PANEL EM

TO PANEL S1A

MM

MM

INSTALL CONDUITS 3' ABOVE

TOP OF GATE.

ELECTRICAL

134A

TRASH

CONTROL

BUILDING SERVICES

OFFICE (BSO)

LOCKER

131A

TOILET

131B

STORAGE

127B

MECHANICAL

OUTDOOR

SERVICE YARD

OUTDOOR

SERVICE YARD

ETR FIRE ALARM

CONTROL PANEL

NOTIFIER AFP-400 &

NOTIFIER AFP1010

J

CB

CB

MINIMUM

4'-0"

MINIMUM

MI

NI

MU

M

PULLBOX

(FORMERLY

EXISTING

PANEL EM1)

J

J

E-5

Drawing Title

Date

Scale

MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

G

ER

M

AN

TO

W

N , M

D

R

IC

H

TE

R

F

AR

M R

O

AD

N O

R

TH

W

ES

T H

IG

H

S C

H O

O L

G

EN

ER

AT

O R

A N

D E

LE

C

TR

IC

AL

E

Q U

IP

M

EN

T

R

EP

LA

C

EM

EN

T

M O

N

TG

O M

ER

Y

C O

U N

TY

P

U

BL

IC

S

C H

O O

LS

BID SET 03/26/24

PSC No

N

Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

SS IONAL

REENIGNE

ST

AT

E

DN

LA

YRAMOF

I

M

R

K Q

J. AR

A

No. 24861

P T

C

UEZ

PART FIRST

FLOOR PLANS -

NEW WORK

E-5

E-5

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

THE EXISTING FACILITY SHALL REMAIN IN OPERATION DURING RENOVATION.

INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE SHALL BE

COORDINATED WITH THE OWNER TO MINIMIZE DISRUPTION. INTERRUPTION

OF UTILITIES SHALL NOT OCCUR DURING SCHOOL WORKING HOURS.

REMOVE AND REINSTALL EXISTING CEILING TILES WITHIN CONSTRUCTION

AREAS AS REQUIRED.

CONSTRUCTION SHALL BE PERFORMED IN PHASES. AVOID INTERRUPTION TO

ANY SERVICES. GENERATOR POWER DISTRIBUTION SYSTEM SHALL BE

OPERATIONAL AT ALL TIMES WHEN SCHOOL IS IN SESSION.

UNLESS OTHERWISE NOTED, ELECTRICAL ITEMS SHOWN HEAVY DASHED

( ) SHALL BE REMOVED AND ELECTRICAL ITEMS SHOWN LIGHT SOLID

( ) SHALL REMAIN.

DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF

MATERIALS. DO NOT ABANDON IN PLACE ANY ELECTRICAL COMPONENTS

UNLESS OTHERWISE NOTED ON DRAWINGS.

WHERE EQUIPMENT IS NOTED "DISCONNECT" OR "REMOVE", REMOVE

ASSOCIATED WIRE AND CONDUIT BACK TO SOURCE, UNLESS OTHERWISE

NOTED.

REMOVE EXISTING EQUIPMENT AND DEVICES INDICATED, INCLUDING

ASSOCIATED WIRE AND CONDUIT BACK TO SOURCE UNLESS OTHERWISE

NOTED.

EXISTING CIRCUITS INTERRUPTED BY DEMOLITION, BUT ARE TO REMAIN,

SHALL BE MADE CONTINUOUS.

WHERE DEVICES ARE TO BE REMOVED AND REINSTALLED, PROVIDE WIRE AND

CONDUIT TO NEW LOCATION AS REQUIRED.

IN BLOCK OR CONCRETE WALLS TO REMAIN, PROVIDE STAINLESS STEEL

BLANK COVER PLATES FOR DEVICES REMOVED.

A.

B.

C.

D.

E.

F.

G.

H.

I.

J.

K.

SPECIFIC NOTES:

1 DISCONNECT LIGHTING FIXTURE FROM NORMAL LIGHTING CIRCUIT AND

CONNECT TO EMERGENCY LIGHTING CIRCUIT AS INDICATED ON NEW WORK

PLAN.

REFRIGERATION UNIT. 8.3A-120V REMOVE RECEPTACLE AND ASSOCIATED

CONDUIT AND WIRING BACK TO PANEL K1. PROVIDE RED RECEPTACLE AND

CONNECT TO TO STANDBY PANEL S1R1 AS INDICATED ON NEW WORK PLAN.

EXISTING COOLER COMPRESSOR LOCATED ON ROOF. 7.2A-208V-3Ø.

INTERCEPT EXISTING CIRCUIT AND CONNECT TO STANDBY PANEL S1R1

AS INDICATED ON NEW WORK PLAN.

EXISTING FREEZER COMPRESSOR LOCATED ON ROOF. 17.0A-208V-3Ø.

INTERCEPT EXISTING CIRCUIT AND CONNECT TO STANDBY PANEL S1R1

AS INDICATED ON NEW WORK PLAN.

PROVIDE JUNCTION BOX ABOVE CEILING AND PROVIDE WIRING AND SURFACE

METAL RACEWAY DOWN TO SURFACE MOUNTED RECEPTACLE.

REMOVE EXISTING PANEL AND REPLACE WITH NEW FUSED PANEL. REFER TO

POWER RISER DIAGRAMS ON DRAWING E-13 FOR ADDITIONAL INFORMATION.

E-6

PART FIRST FLOOR

KITCHEN - DEMOLITION

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

S E

S E

S ES E

S E S 3 E

KITCHEN

123A

S 4E

S 3 E

ETR PANEL 1K

OFFICE

123D

OFFICE

123B

J

JJ

J

J J

S

J J

S 1K-1

1K-1

E-6

PART FIRST FLOOR

KITCHEN - NEW WORK

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

S

E

S E

S ES E

S E S 3 E

S 4E

S 3 E

ETR PANEL 1K

OFFICE

123D

OFFICE

123B

LAUNDRY

123C

J

JJ

J

J J

S

J J

S

S1R1-16

ELECTRICAL

126B

E-6

PART FIRST FLOOR

ELECTRICAL 126B

SCALE:1/4"=1'-0"

ETR PANEL 1HP3

ETR DISTRIBUTION

PANEL MDPW

ETR PANEL SL

ETR XFMR T-1B

ETR PANEL 1LP8

RX PANEL 1EM1

ETR XFMR T-1E

ETR PANEL 1LP6 ETR PANEL 1LP5

E-6

PART FIRST FLOOR

HEALTH 103 & TOILET ROOMS - DEMOLITION

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

GIRL'S

102B

S K E

S K E

BOY'S

102A

S K E S K E

TOILET

103C

OFFICE

103B

HEALTH

S E

S E

TOILET

103D

S K E

S 3 E

S 3 E

S E

S E

S E

E-6

PART FIRST FLOOR

HEALTH 103 & TOILET ROOMS - NEW WORK

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

GIRL'S

102B

S K E

S K E

BOY'S

102A

S K E S K E

TOILET

103C

OFFICE

103B

HEALTH

S E

S E

TOILET

103D

S K E

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Drawing Title

Date

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MARCH 26, 2024

Sheet No:

Project No 7911-23

2024 James Posey Associates, Inc.c

DescriptionTag Date

AS NOTED

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BID SET 03/26/24

PSC No

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Professional Certification.

I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of Maryland, License No. 24861, Expiration date: 02-24-2026.

PROFE

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REENIGNE

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No. 24861

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PART FIRST

FLOOR PLANS -

DEMOLITION / NEW WORK

E-6

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CONDITIONS HAS BEEN OBTAINED FROM AVAILABLE BUILDING DRAWINGS OR

GENERAL FIELD OBSERVATIONS AND MAY NOT INDICATE EXISTING

CONDITIONS IN DETAIL OR DIMENSION. DETERMINE EXISTING CONDITIONS

PRIOR TO FABRICATION OR PERFORMANCE OF ANY WORK. SHOULD

CONDITIONS BE DISCOVERED THAT PREVENT EXECUTION OF THE WORK AS

INDICATED, IMMEDIATELY NOTIFY THE ENGINEER IN WRITING AND AWAIT

DIRECTION BEFORE PROCEEDING WITH THE WORK.

THE EXISTING FACILITY SHALL REMAIN IN OPERATION DURING RENOVATION.

INTERRUPTION TO THE EXISTING BUILDING ELECTRIC SERVICE SHALL BE

COORDINATED WITH THE OWNER TO MINIMIZE DISRUPTION. INTERRUPTION

OF UTILITIES SHALL NOT OCCUR DURING SCHOOL WORKING HOURS.

REMOVE AND REINSTALL EXISTING CEILING TILES WITHIN CONSTRUCTION

AREAS AS REQUIRED.

CONSTRUCTION SHALL BE PERFORMED IN PHASES. AVOID INTERRUPTION TO

ANY SERVICES. GENERATOR POWER DISTRIBUTION SYSTEM SHALL BE

OPERATIONAL AT ALL TIMES WHEN SCHOOL IS IN SESSION.

UNLESS OTHERWISE NOTED, ELECTRICAL ITEMS SHOWN HEAVY DASHED

( ) SHALL BE REMOVED AND ELECTRICAL ITEMS SHOWN LIGHT SOLID

( ) SHALL REMAIN.

DEMOLITION SHALL INCLUDE REMOVAL AND OFF-SITE DISPOSAL OF

MATERIALS. DO NOT ABANDON IN PLACE ANY ELECTRICAL COMPONENTS

UNLESS OTHERWISE NOTED ON DRAWINGS.

WHERE EQUIPMENT IS NOTED…

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File details come from the government source that posted it. Updated .