Drawings_(Revised)_IFB_W912C3-18-B-0002,_Pad_Mounted_Transformers,_9_Aug_2018.pdf

A T L A N T I c 0 c E A N

PUNTA BORINQUEN

(FORME..R__fl.AMEY U S AIR FORCE BASE) r ~~-~--'-._~-~--~-;~

FORT BUCHANAN

MAINTAIN /REPLACE PAD MOUNTED TRANSFORMERS,

\ p u E R T 0 R I c 0 ROOSEVELT ROADS f' fl SALINAS / ::,) __,, _ v TRAING AREA ('

(r'----..J'--.,,,_'\ ""~~_./~} ~~~~ _,......,_ ~-~

TRANSCLOSURES, PRIMARY MAIN SWITCHES &

~ ~c;- v '"/~/~ ©-

• TRANSFER SWITCH c A R I B B E A N s E A -·-

N

SHEET NO.

D E x 0 F D R A w N G s

DRAWING NO. TITLE

T-1

E-1 E-2

TITLE SHEET, LOCATION SITE MAPS, AND INDEX OF DRAWINGS

SITE MAP AND WORKING DETAILS FORT BUCHANAN, PUERTO RICO

DETAILS

LOCATION MAP

Project Site

BUCHANAN SITE MAP

400 0 100 !lO

~ 1N FEET

LIST OF ABBREVIATIONS NOTE: SOME ABBREVIATIONS LISTED ARE NOT CONTAINED IN THESE DRAWINGS

A A.B.I.

A/C

AFF

AL, ALUM

ALT

AMP,A

AP

APPROX

ARCH

ARR

AWG

G B, BOT

BD

BLDG, B

BW

C Cl cc.ere

CFM

CKT

CLG

CMU

CND,C

COL

CONC

COND

CONN

CONST

D D

DET, DTL

D, DIAM.

DIM

DWG

ACOUSTICAL BATT INSULATION

AIR CONDITIONING

ABOVE FINISH FLOOR

ALUMINUM

ALTERNATE

AMPERE

ACCESS PANEL

APPROXIMATE

ARCHITECTURAL

ARRESTOR

AMERICAN WIRE GAGE

BOTIOM

BOARD

BUILDING

BOTH WAY

CIRCUIT NUMBER

CENTER TO CENTER

CUBIC FEET PER MINUTE

CIRCUIT

CENTERLINE

CEILING

CONCRETE MASONRY UNITS

CONDUIT

COLUMN

CONCRETE

CONDUCTOR

CONNECTION

CONSTRUCTION

DEPTH, DEEP, DEGREE OF CURVATURE

DETAIL

DIAMETER

DIMENSION

DRAWING

E EA

EF

EL, ELEV

ELEC

EMB

EMT

ETC

EW

EXIST, EX, E

F F

G

FDB

FD

FFE

FIN

FL

FT

FWB

GA, G

GALV

GB

GFCI

GPM

GR

GRD

GW

H H, HGT, HT

HEX

HP

ID

IN

IN C.W.

,J JB

EACH

EACH FACE

ELEVATION

ELECTRIC, ELECTRICAL

EMBBEDED

ELECTRICAL METALLIC TUBING

ETCETERA

EACH WAY

EXISTING

FARENHEIT

F ARENHEIT DRY BULB

FLEXIBLE DUCT

FINISHED FLOOR ELEVATION

FINISH

FLOOR, FLASHING

FOOT, FEET

FARENHEIT WET BULB

GAGE

GALVANIZED

GYPSUM BOARD

GROUND FAULT CIRCUIT INTERRUPTOR

GALLONS PER MINUTE

GRADE

GROUND

GROUND WATER

HEIGHT

HEXAGONAL

HORSEPOWER

INSIDE DIAMETER, INSIDE DIMENSION

INCH

INCH COLD WATER

JUNCTION BOX

KV

KVA

KW

L L

IV

LBS

LED

LT

MAX

MBH

MECH

MD

MIN

MISC

MTD

N, NW

NFPA

NIC

NO

NTS

O OD

OPNG

OBD

KILOVOLT

KILOVOLT-AMPERE

KILOWATT

LENGTH, LENGTH OF CURVE

POUNDS

LIGHTING EMITING DIODE

LIGHT

MAXIMUM

MEGA BRITISH HOUR

MECHANICAL

MANUAL DAMPER

MINIMUM

MISCELLANEOUS

MOUNTED

NORTH, NEW

NATIONAL FIRE PROTECTION

ASSOCIATION

NOT IN CONTRACT

NUMBER

NOT TO SCALE

OUTSIDE DIAMETER

OPENING

OUTSIDE BLADE DAMPER

p

PL

PRELIM

PSI

PVC

PSF

R R

RR

RG

s

RE, REF

REINF

REV

RM

RLA

RTU

PLATE

PRELIMINARY

POUNDS PER SQUARE INCH

POINT OF VERTICAL CURVE,

POLYVINYL CHLORIDE

POUNDS PER SQUARE FOOT

RADIUS, RISER, RUBBER SHEATH

RETURN REGISTER

RETURN GRILLE

REFERENCE, REFER TO

REINFORCEMENT

REVISION

ROOM

RA TED LOAD AMPERE

ROOF TOP UNIT

SCH, SCHED SCHEDULE

SD SPLITTER DAMPER

SECT SECTION

SHT

SPEC

SQ

SS

STD

STL

STO

STRUCT

SW

SHEET

SPECIFICATION

SQUARE

STAINLESS STEEL

STANDARD

STEEL

STORAGE

STRUCTURE. STRUCTURAL

SWITCH

T 3/P

TS

TON

TYP

U UG

\/ v

VCP

VERT

w w W/

WP

WT

X XFMR

90'

3W

TOP, TANGENT

THREE POLE

TUBULAR STEEL

TONELATE

TYPICAL

UNDERGROUND

VENT, VOLT, VALVE

VITRIFIED CLAY PIPE

VERTICAL

WIDTH, WASTE, WATER, WATT, WEST

WITH

WATERPROOF, WEATHERPROOF

WEIGHT

TRANSFORMER

ANGULAR

AT

AND

ANGLE DEGREE

NUMBER. POUND

DIAMETER

THREE WAYS

REVISED AND ENDORSED BY:

ACTIVITY PRINT NAME I INITIAL DATE REV.NO I DATE

ENVIROMENTAL DIVISION (DPW

0 & M DIVISION (DPW

' MASTER PLANNING (DPW) PROJECT MANAGER

A. MOJICA 1

1DIRECTORATE OF EMERG. SERV. (DES DRAFTSMAN

D. LEBRON INSTALLATION SAFETY OFFICE (ISO

DPTMS- AT/FP

NETWORK ENTERPRICE CENTER (NEC

ARCH, STRUC. DESIGN

F. ZAYAS

ELECTRICAL DESIGN

A. MOJICA I ENERGY CONSERVATION I I I !MECHANICAL DESIGN

N/A

APPROVED

REVISIONS

DEPARTMENT OF THE ARMY

HEADQUARTERS UNITED STATES ARMY

DIRECTORATE OF PUBLIC WORKS

FORT BUCHANAN, PUERTO RICO

APPD.BY

MAINTAIN/REPLACE PAD MOUNTED TRANSFORMERS

TRANSCLOSURES,PRIMARY MAIN SWITCHES AND TRANSFER SWffCH

TITLE SHEET, LOCATION SITE MAP, PROJECT SfTE LOCATION ANO INDEX OF DRAWINGS

RECOMMEND APPROVAL

LUIS E. TORRES

CHIEF, ENGINEERING DIVISION

SCALE: DRAWING NO.

I NOT TO SCALE I DPW-PR-1370-18

DATE:

FEBRUARY.2018 I T-1

MARIA A. LOPEZ

PROJECT NUMBER

R02-18 89-K-1370-R-18

IJ0-53105

DRAWER NO. I 1

ACTING DIRECTOR OF PUBLIC WORKS OF

T41

T2

TX1

T5

T3

T4T7

TX2

T8 T25

T43

TX3

T32

T28T27

TC

T30

T10

T46 T13

T11

T12

T45T48

T17 T18 T19

T20

TX7

TX4

T38

T44

TX6

T26

T35

TX5T168

T15T16

T47

EQUIPMENT INVENTORY

T39

T34

T39

T9

T169

T143

TX8

T6

NEW DPW FACILITIES 1

T-1

ITEM EXISTING LABEL REQUIRED KVA OUTPUT

VOLTAGE

PHASE

VOLTAGE

BUILDING

SERVED

APPLICABLE

NOTES FACILITY

T-2 T-3 T-4 T-5 T-6 T-7 T-8 T-9 T-10 T-11 T-12 T-13 T-14 T-15 T-16 T-17 T-18 T-19 T-20 T-21 T-22 T-23 T-24 T-25 T-26 T-27 T-28

T-30 T-31 T-32 T-33 T-34 T-35 T-36 T-37 T-38 T-39 T-40 T-41 T-42 T-43 T-44 T-45 T-46 T-47 T-48

TX-1

TX-2

TX-3

TX-4

TX-5

TX-6

TX-7

120/208 120/208 120/208

277/4801-500 1-225 1-300 1-750 1-1,500 1-300 1-150 1-500

1-225 1-500 1-1000 1-112.5 1-1500 1-1500 1-500 1-225 1-500 1-300 1-750 1-750

1-112.5

1-1000

1-225 1-225

1-750

1-225 1-150 1-300 1-750

1-225 1-150

1-750 1-75 1-150 1-225 1-150 1-50 1-300 1-1000

3-75 3-75 3-75 3-75 3-75 3-50 3-100

120/208 120/208

120/208 120/208

120/208

120/208

480/277 120/208

120/208 120/208 120/208 120/208 120/208 120/208

120/208 120/208

120/208 120/208 120/208 120/208 120/208 120/240 120/208 120/208

120/208 120/208 120/208 120/208 120/208

120/208

277/480

277/480

277/480 277/480

277/480

277/480

277/480 277/480 277/480 277/480 277/480 277/480

Health Clinic Youth Center Bowling Alley

NAVY 73, 74, 75, 77, 78

AFRC

Physical Fitness Center Welcome Center AFRC Vehicle Maintenance Shop Area 600

Network Enterprise Center (NEC) Elementary School Elementary School Chiller High School Buildings USAR Vehicle Maintenance PX Main Store Commissary Middle School Middle School Middle School Middle School PXtra Community Club

Golf Course Well Pump Maxie Williams

Headquarters Building

Brown Feeder - South Gate Turbine

Brown Feeder - Old DPW Turbine

Reserve Center

TBS/Medcom Medcom, USAR

CPAC & EOC

USAR

El Caney E Caney

Directorate of Logistics

Brown Feeder - Site 4 Toro Creek Brown Feeder - Site 1 East Side

Various Activities Brown Feeder - Sites 2 & 3 East Side Former Vacant

Chiller, Bldg. 1300 Network Enterprise Center (NEC) Elementary School (Temporary Facility)

Mc Arthur Field Gas Station Child Development Center

Golf Club MWR Administration Office DES/Fire Department Pentagon Federal Credit Union National Guard

National Guard

Post Office / TBS / Chapel

1-300

277/480

120/208

T1

1-750 277/480 3

1-315 3

1-315

1-500 13,200 3

1-1000 13,200 3

1-1000 13,200 3

T1

T-23

T24

T-49

T-50

T-51

1-500

1-500

1-500

13,200

13,200

13,200

SOLAR PANELS - COMMISSARY PARKING

SOLAR PANELS - AQUA PARK

SOLAR PANELS - BLDG. 353 PARKING

52 T-52 1-75 120/208 3 MOTOR POOL USAR CAGUAS

53 T-53 1-2500 480/277 3 PRNG READINESS CENTER

54 T-54 1-1500 13,200 3 SOLAR PANELS - OLD DPW 556

55 T-55 1-2500 480/277 3 ELEMENTARY SCHOOL COMPLEX

56 T-56 1-1500 480/277 3 JFHQ - PRNG

1-500

T37

T40

T50 T51

T55

T54

T53

T36

T49

T52

T-1 T-2 T-3 T-4 T-5 T-6 T-7 T-8 T-9 T-10

T-13 T-143 T-15 T-16 T-17 T-18 T-19 T-20 T-168 T-169 T-23 T-24 T-25 T-26 T-27 T-28

20 MVA Substation Low Voltage Service

T-30 T-C T-32 T-39 T-34 T-35 T-36 T-37 T-38 T-39 T-40 T-41 T-1 T-43 T-44 T-45 T-46 T-47 T-48

TX-1

TX-2

TX-3

TX-8

T-49

T-50

T-51

T-52

T-53

T-54

T-55

T-56

LABEL

T56

T-12 T-11

73 to 78

1029 & 1030

1004 & 1062 1070 & 1072

353-357

224,225 227,228,231

192-193

679-681

79 to 82

1300-1301

Trailers

171-172

218,219,220, 34, 37, 38

13.2 KV LINE

13.2 KV LINE

13.2 KV

13.2 KV

13.2 KV

13.2 KV

UTILITY LINE

13.2 KV

UTILITY LINE

13.2 KV

UTILITY LINE

B - 545 -550

13.2 KV

UTILITY LINE

64 PMS 13,200 3 NEXT TO BLDG. 514PMS 514

65 PMS-1 13,200 3PMS-1 AREA 200

66 PMS-2 13,200 3PMS-BP AREA 200

67 PMS-3 13,200 3 NEXT TO BLDG. 231PMS-3 231

68 TRANSFER 13,200 3TS AREA 200

AREA 200

AREA 200

AREA 200

T-29 1-75 3120/208PM1

TX-5

TX-6

TX-7

1,20 2,4,6,8,9,13,14,22

1,20

1,20

1,20 1,20

1,20 1,20 1,18

7,20

7,20 1,20

1,20

NOTES:

1- CLEAN ENCLOSURE DIRT & DUST, INCLUDING INSIDE, OUTSIDE AND BETWEEN DOORS. ADD SOLVENT TO THE CONNECTORS AND BUSHINGS OF THE PRIMARY 15 KV AND SECONDARY 600 V SIDES, TO TAKE AWAY MOISTURE. VERIFY AND ADJUST CONNECTION TIGHTNESS AND CLEAN CONDUCTORS. REPLACE ALL OUTSIDE TRANSFORMER LABELS. USE SKETCH INFORMATION PROVIDED ON SHEET E-3. REMOVE CORROSION AND SEAL CAVITIES DUE TO CORROSION. SEAL SPACE BETWEEN METAL AND CONCRETE PAD. PAINT ENCLOSURE INCLUDING OUTSIDE, INSIDE AND BETWEEN DOORS. PAINT THE CONCRETE PAD WITH YELLOW TRAFFIC COLOR. ADD NITROGEN TO PAD MOUNTED

TRANSFORMER.

2. HEALTH CLINIC CTs: DISCONNECT SIX CURRENT TRANSFORMERS AS SHOWN IN SPECIFIC TASK 5.8.3.1 RETURN THREE OF THE SIX CT's, NOT OPERATIONAL, TO COR.

3. TRANSFORMER ENCLOSURE: TWO EXISTING 300 KVA TRANSFORMER WILL BE REPLACED FOR A NEW TRANSFORMER AND RETURNED TO

COR. CONTRACTOR SHALL DISPOSE THE OLD AND DAMAGED 300 KVA TRANSFORMER LOCATED IN O&M PARKING LOT AT DPW.

4- PERFORM ACCEPTANCE TESTS: INSULATION POWER FACTOR TEST, INSULATION RESISTANCE TEST (MEGGER), TURN RATIO TEST, OIL

SCREEN

(DIELECTRIC, NEUTRALIZATION, INSULATION POWER FACTOR AND WATER CONTENT) AND SUBSTATIONS GROUND TEST. VERIFY TIGHTENING OF CONNECTION. PROVIDE RESULTS AND RECOMMENDATIONS TO DPW, ENGINEERING DIVISION. IF ANY EQUIPMENT REQUIRES ADDITION OF ANY OF THE NOTES ESTIPULATE ON THIS SHEET AND IS NOT STATED AT THE TABLE APPLICABLE NOTE, CONTRACTOR SHALL APPLY IT.

5. BLDG.194 BOXES: TRANSFORMER AT THIS LOCATION WILL BE REPLACED. CONTRACTOR SHALL REPLACE TWO BOXES ATTACHED TO THE TRANSFORMER AND ITS COMPONENTS FOR NEW NEMA 4X ENCLOSURES FOR THE SAME DIMENSION. REPLACE AND INSTALL A NEW LOAD

CENTER, RAIN PROOF, 120/208V. LOAD CENTER SHALL BE SAME CAPACITY AS EXISTING. REPLACE ONE THREE EXISTING LIGHTING CONTACTORS, 150 AMPS, 120/240V. 250 AMPS, 208 V. REMOVE EXISTING CONTROL BOX AND TIMER BOX. PURCHASE AND INSTALL A

NEW, TWO POSITION SWITCH BOX, 208V ON/OFF NEMA 3R FOR LIGHTING CONTROL.

SITE MAP AND WORKING DETAILS FORT BUCHANAN, PUERTO RICO

E-1

4,6,8,9,10,12,13,14,15,21

4,6,8,9,10,13,14,15,21 4,6,8,11,14,16,15,21,22

3,4,6,8,9,10,13,14 4,6,8,9,12,13,14,15,21,22

4,6,8,9,12,13,14

4,6,8,9,10,13,14,22 4,6,8,9,10,12,13,14,15,21

4,5,6,8,9,12,13,14,22

GOLF COURSE

4,6,8,9,13,14,22

4,6,8,9,13,14,22

7,20

7,20

7,20

7,20

N/A

N/A

N/A

N/A

N/A

PMS

PMS-3

PMS-1

PMS-BP

TS

6- REPLACE TRANSFORMER FOR SAME CAPACITY STAINLESS STEEL TRANSFORMER AND PER EFFICIENCY TABLE SHOWN ON THE SCOPE OF REQUIRE CHARACTERISTIC ARE ALSO INCLUDED IN THE SCOPE OF WORK. SEE ITEM 5.10.3.1 FOR BLGD. 167.

7- CLEAN ENCLOSURE DIRT & DUST, INCLUDING INSIDE, OUTSIDE AND BETWEEN DOORS. ADD SOLVENT TO THE CONNECTORS AND BUSHINGS OF THE PRIMARY 15 KV AND SECONDARY 600 V SIDES TO TAKE AWAY MOISTURE. VERIFY AND ADJUST CONNECTION TIGHTNESS AND CLEAN CONDUCTORS. PAINT THE CONCRETE PAD WITH YELLOW TRAFFIC COLOR.

8- INSULATION RESISTANCE TEST: THE CONTRACTOR SHALL PERFORM INSULATION RESISTANCE TEST ON SECONDARY EXISTING 600v CABLES WHERE NEW TRANSFORMERS BEING INSTALLED, IN ORDER TO CONFIRM CABLE OPERATION FOR ACCEPTATION.

9- CURRENT TRANSFORMERS (CT's) : THE CONTRACTOR SHALL HOOK-UP RECORDED CT's CABLES CONNECTIONS IN ELEVEN (11) TRANSFORMERS AND TEMPORALLY DISCONNECT FROM POWER METERS. RETAIN Ct's AND RECONNECT CT's AFTER NEW TRANSFORMER BEEN PLACED AND POWER METERS BEEN INSTALLED. RE-INSTALL CURRENT TRANSFORMERS AS SAME AS BEFORE, UTILIZING RECORDED HOOK-UP CONNECTIONS, INCLUDING THE SAME PHASING.

10- ADVANCE METER (POWER METER MODBUS) : SHALL BE REMOVED AND RETAINED FOR REINSTALLATION AFTER NEW TRANSFORMER BEEN INSTALLED. CONTRACTOR SHALL HOOK-UP RECORDED ADVANCE METER CABLE AND CONDUITS, TAGGED, COIL CONDUIT AND FITTING BACK AND RETAIN FOR REINSTALLATION. ENSURE CABLES ARE NOT DAMAGED DURING THIS PROCESS. RE-INSTALL ADVANCE METER AS SAME AS BEFORE UTILIZING RECORDED HOOK-UP CONNECTIONS. THIS WORK SHALL BE PERFORMED IN STRICT

COORDINATION WITH THE NETWORK ENTERPRISE CENTER (NEC) AUTHORIZED PERSONNEL.

11- NAVY INSTRUMENTATION: DISCONNECT AND REMOVE ELECTRICAL POWER METER BOX. PROVIDE REMOVED EQUIPMENT WITH COMMUNICATION MATERIAL TO COR. DISCONNECT, REMOVE AND RETURN 6 CURRENT TRANSFORMERS, NOT OPERATIONAL TO COR.

12- MAIN BREAKERS: REPLACE FIVE (5) THREE (3) EXISTING MOLDED CASE CIRCUIT BREAKERS AT THE SECONDARY SIDE AND ON FIVE THREE NEW RANSFORMER AFTER NEW EQUIPMENT BEEN PLACED. CONDUCT REQUIRED TESTING FOR NEW CIRCUIT BREAKERS AS DEFINED BY THE UL489 TEST STANDARD. PROVIDE EXISTING AND REMOVED BREAKERS TO COR.

13- ELECTRICAL POWER METERS: ON ELEVEN (11) OF THE TWELVE (12) NEW TRANSFORMERS, CONTRACTOR SHALL HOOK-UP RECORDED METER CABLES, TAGGED, COIL CONDUIT AND FITTING BACK FROM METER. ENSURE CABLES ARE NOT DAMAGED DURING THIS PROCESS. REMOVE THE POWER METER FORM ELEVEN (11) TRANSFORMER, AND SAFELY SAVE FOR REINSTALLATION AFTER NEW TRANSFORMER ARE INSTALLED. WHERE POWER METERS ENCLOSURES EXIST CONTRACTOR SHALL PAINT/REPAIRED AS SAME AS TRANSFORMER ENCLOSURES. RE-INSTALL AND RE-CONNECT POWER METERS AS SAME AS BEFORE, UTILIZING RECORDED

HOOK-UP CONNECTIONS, INCLUDING THE SAME PHASING .

14- CONCRETE PAD: THE CONTRACTOR SHALL USE, AS REFERENCE, DPW CONCRETE GROUT DETAIL PHOTO IN SHEET E-3 FOR TERMINATION OF THE PAD, WHERE 12 TRANSFORMER ARE INSTALLED. CREATE ONE NEW CONCRETE PAD FOR BLDG.168 USING CONCRETE FLOOR PAD DETAIL ON SHEET E-3. EXISTING CONCRETE PAD: THE CONTRACTOR SHOULD REPAIR THE SLAB SURFACE

WITH NON-SHRINK GROUT AFTER REMOVE THE PM TRANSFORMER.

15- PRIMARY RAISER: FIVE (5) SIX (6) TRANSFORMER PRIMARY RAISERS SHALL BE REMOVED AND DISPOSED: BLDG. 148, T-3; BLDG. 152, T-8; BLDG. 168, T-4; BLDG. 660, T-169; BLDG. NAVY, T-5; BLDG. 167, T-7. FURNISH AND INSTALL NEW UNDERGROUND HIGH VOLTAGE CONDUCTORS (RAISERS) SHALL BE 15 KV, COOPER, CROSS LINKED POLYETHYLENE (XLP). OVER POTENTIAL TEST 15 KV FEEDER SHALL BE COMPLETED. MINIMUM CONDUCTOR GAGE SHALL BE NOT LESS THAN #2 AWG COOPER WITH INSULATION FOR 15 KV. FURNISH AND

INSTALL TERMINATIONS ON BOTH ENDS OF NEW CONDUCTORS, AT POLES AND TRANSFORMERS.

16- NAVY CURRENT TRANSFORMER CT's: DISCONNECT, REMOVE AND RETURN SIX (6) CURRENT TRANSFORMERS, NOT OPERATIONAL

TO COR.

17- NOT USED.

18- CLEAN ENCLOSURE DIRT & DUST, INCLUDING INSIDE, OUTSIDE AND BETWEEN DOORS. ADD SOLVENT TO THE CONNECTORS AND BUSHINGS OF THE PRIMARY 15 KV AND SECONDARY 600 V SIDES TO TAKE AWAY MOISTURE. VERIFY AND ADJUST CONNECTION TIGHTNESS AND CLEAN CONDUCTORS. REPLACE ALL OUTSIDE TRANSFORMER LABELS. USE SKETCH INFORMATION PROVIDED

ON SHEET E-3.

19- EVERY WEEK AFTER COMPLETION OF THE REQUIRED WORK, CONTRACTOR SHALL NOTIFY DPW PERSONNEL IN ORDER TO OPEN TRANSFORMER AND INSPECT IT. THIS INSPECTION SHALL OCCUR IN LESS THAN A WEEK AFTER COMPLETION.

20- DISSOLVED GAS ANALYSIS TEST (DGA): PERFORM DGA TEST IN ALL PAD MOUNTED TRANSFORMER WITH A CAPACITY OF 750 KVA

OR HIGHER. PROVIDE RESULTS AND RECOMMENDATIONS TO DPW, ENGINEERING DIVISION

21- OVER POTENTIAL TEST OR HIPOT: THE CONTRACTOR SHALL PERFORM OVER POTENTIAL TEST, UTILIZING 55 KV DC TO NEW 15 KV

FEEDERS.

22- THE CONTRACTOR SHALL PERFORM MEGGER TEST TO EXISTING 15 KV FEEDERS AT 10 KV DC WHERE NEW TRANSFORMERS

BEING INSTALLED, IN ORDER TO CONFIRM CABLE OPERATION FOR ACCEPTATION.

13,200

13,200

SWITCH

ABBREVIATTIONS:

PMS - PRIMARY MAIN SWITCH

T - TRANSFORMER

TX - TRANSCLOSURE

TS - TRANSFER SWITCH

NA - NOT APPLY

DPW - DIRECTORATE OF PUBLIC WORKS

O&M - OPERATION AND MAITENANCE

TRANSCLOSURES,PRIMARY MAIN SWITCHES AND TRANSFER SWITCH

MAINTAIN/REPLACE PAD MOUNTED TRANSFORMERS

PM- 1

(SHALL BE T-33)

(SHALL BE T-42)

SU

23- REPLACE ALL GROUND TERMINAL LUGS, EQUIPMENT GROUNDING AND BONDING CONDUCTORS FOR NEW COOPER TERMINAL LUGS, BARE

COOPER AWG#6 GROUNDING CONDUCTOR AND AWG #8 STRANDED THWN BONDING CONDUCTORS.

69 SWITCH 13,200 3SU PENFED CREDICT UNION1N/A

NA A

A4,6,8,9,13,14,22

A

A

A

,15,21 A

A

A

A 3, A

70 120/240 1T-57 174 MWR Basketball Court181-15

71 277/480 3T-58 70 New NAVY Bldg181-300

A

T-57

T-58

NON-SHRlr« CONCRETE OROUT

FOR CABINET PROTECTION.

(3"X3") r-------------------------1-----------------, PAD MOUNTED TRASFORMER

II" CONCRETE FLOOR SLAB,

Fe' - 3,000 PSI

6"-0"x6'--6"

·, .. ,, .•. · ·, ~- /. ·.~ .. · '.··"·1·~1 .'.'l ;· ·.• '~ •.• ~ ••. ·..,. .• _' ·_.... .• •. •.

"fr.m'.....;.~'=.:""".*"'"~"F.'l""F:""'i""~"""'l""'!."i"~~*"'~~ . ; t ~ :·: .. : ·~~ . ·. '

. ,,,• ;_~--~~-.·~~-·· ,• ..• ·•· .. · .. •· •. • .. • •·1."~f :J .. 1~-.··.-~· ., •; ·.'~··''· ;,/ ··:~........ :::~~~~~-· ::~1 s·

· · E~m~~... 1a1a1a11 m m ··:: · • • •' ~ ;·Jn!fimm;nmmrnmir--- COMPACTED 116% 1=::':111=::':111=::':11 l==l I 1=111= ~. . : ~- m~rn~u l :y .;. ~ • ·: • mill!Tiilln t-.. -i l~IIIillill' ;rn;...m~' 1-111Wrri~ EXISTING ELECmlCAL

,~III~

:mm'-·

EXISTING UNJIST\JRBED SOIL

EXCAVATION SECTlON

FOR PVC CONDUITS.

NEW CONCRETE FLOOR FOR PAD MOUNTED

TRANSFORMER FOR BLDG 168

STAINLESS STEEL UNl8TRlJT

SUPPORT FAME.

COMMUNICATION CONDUIT TO

*USE CONCRETE GROUT DETAIL. SEE SOW ITEM 5.2 F

*EXCAVATION SHALL BE COMPLETED BY HAND.

*RE-USE EXISTING GROUNDING SYSTEM.

e

0 0

0 0

0 0

0 0 o"' = = 0

0 0

•r

BLOG. COMMUJ«:ATION RACK ~' ..

CT I INPUT POWER OONDUIT ___ _ j

TO SWITCHGEAR

4" X 4" X -,t BASE PLATE

EXISTING SLAB STRUT RACK MOUNTED METER

ENCLOSURE DETAIL

GALVANIZE ANCHOR

BOLT~"X3"

i

;, .. . . . . .. .. . . . . " ·i · ..

'·.. ... • . ..,'4 . . .4· '! ' · .... ..... •' .. . . ., ... , ..• . .... _.,, GALVANIZE STEEL

PLATE 2"X2°Xt

LEFT SIDE OF TRANSFORMER: RIGHT SIDE OF TRANSFORMER:

120/208

[i-11 I !· YOLlS I 7'"

[j __ ] ;

DANGER) I

HIGH r VOLTAGE

-10"-

SECONDARY

DANGEi

HIGH

VOLTAGE

r_J

PELIGR•

ALTO

VOLTAGE

*USE TABLE FOR VOLTAGE LABEL INFORMATION & TRANSFORMER

NUMBER IDENTIFICATION •

TRANSFORMER, PMS, TS &

LABELS

[f J f" 13-75tj ;

r

L-7"'

120/208 DANGER) I VOLlS r SECONDARY HIGH r -10·- VOLTAGE

'---10" -

TRANSFORMER BANK (TRANSCLOSURE) LABELS

*USE TABLE FOR TRANSCLOSURE LABEL INFORMATION. ADD LABEL IDENTIRCATION ACCORDING TO EACH

EQUIPMENT REQUIREMENT.

NON-SHRINK CONCRETE OROLJT

FOR CABr<IET PROTECTlON.

CONCRETE GROUT PROTECTION FOR ALL NEW

TRANSFORMERS

*SEE SOW ITEM 5.2 F

*RE-USE EXISTING GROUNDING SYSTEM.

*INSTALL A SILICONE SEALING COMPOUND UNDERNEATH THE CONCRETE

GROUT & BETWEEN PAD & METAL CABINET.

POINT OF CONNECTION ITEM DESCRIPTION

©'""'* OVERHEAD COM)OOJ"OR, 4 / 0 AWCI, ACSR

©""'* PIN TOP INSULATOR

~ 8ALYANIZED STEEL DOUBLE CROISARM, T2"" LONI, I HOLES MADE BJ

\!) MMUFACTURER. ©""'* STIRRUPS (3 EACH).

~ UGHnNI ARRESRIR, (3 BlCH).

~ T!RMINATDR, 111 KY, PDLl'M!R HOUSm(3 DCll).

©""" FUSEO CUTOUT ASSEMBLY, (3 EACH).

©""'* HOT LINE CU.MP (3 EACH).

©""'* CONCREIE POLE, 114, 41 FT HIGH.

~ CONOUrr RIS!R, 4 INCH!& OIAMl!ll!R, RllMD llALYANlzm Sll!l!L

@ l MOUNTING BRACKEr, 3 EACH FOR UGHnNB ARRESTOR, 3 EACH FOR ASSEMM.Y.

~ CONDUCl'OR, 2AWCl,COPPER,XLP,1.5KY(3 EACH).

(§}* POLYElllYLENE, 2 AM CONDUCTOR.

~ OVERHEAD 6ROLlllD CONDUCl'OR.

@"""'* &ROUND CONNECllCUI CONDUCTOR, 8 AWG, SOLID COPPER.

g-+ CUYISCLAMP.

r.:ort 11-YIEALPUll FOR 2AW8 CABLE.

~ STAINLESSllm.CDNDUlrCLAMP. w UJERUU CDNDUlr 8Ll'PORT.

CONCRETE POLE DETAIL

REV.NO I DATE

PROJECT MANAGER

A. MOJICA

DRAFTSMAN

D. LEBRON

ARCH, STRUC. DESIGN

F. ZAYAS

ELECTRICAL DESIGN

N/A

APPROVED

REVISIONS

DEPARTMENT OF THE ARMY

HEADQUARTERS UNITED STATES ARMY

DIRECTORATE OF PUBLIC WORKS

FORT BUCHANAN, PUERTO RICO

APPD.BY

MAINTAIN/REPLACE PAD MOUNTED TRANSFORMERS

TRANSCLOSURES,PRIMARY MAIN SWfTCHES AND TRANSFER SWITCH

DETAJLS

RECOMMEND APPROVAL

LUIS E. TORRES

CHIEF, ENGINEERING DIVISION

SCALE: I DRAWING NO.

NOT TO SCALE DPW-PR-1370-18

E-2 DATE: FEBRUARY,2018

MARIA A. LOPEZ

ROJECT NUMBER

R02-18

DRAWER NO. I 3

ACTING DIRECTOR OF PUBLIC WORKS 89-K-1370-R-18

IJ0-53105

OF