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ELECTRIC SYMBOLS
I GENERAL NOTES I MOUNTING HEIGHT SCHEDULE I
1. WHERE "SPLIT CIRCUIT" IS INDICATED, EXTEND SPLIT CIRCUIT HOME RUNS TO A COMMON JUNCTION BOX ABOVE THE PANEL INDICATED. TIE HOME RUNS TOGETHER
USING SPLICE KIT AND EXTEND A SINGLE SET OF CONDUCTORS TO CIRCUIT BREAKER NUMBER INDICATED. WIRING USED IN SPLIT CIRCUITS SHALL BE THE SAME SIZE.
2. THE ELECTRICAL DRAWINGS ARE DIAGRAMMATICAL IN NATURE AND INDICATE THE GENERAL LOCATION OF OUTLETS, EQUIPMENT, AND THE CIRCUIT ARRANGEMENT OF
THE REQUIRED WIRING. ALTHOUGH THE DRAWINGS DO NOT NECESSARILY INDICATE THE ACTUAL ROUTES OF SURFACE MOUNTED CONDUITS, WHERE INDICATED, THEY
SHALL BE FOLLOWED AS CLOSELY AS PROPER COORDINATION WITH THE WORK OF OTHER TRADES AND SPACE WILL PERMIT. WHERE CONDUIT RUNS ARE NOT SHOWN
ON THE DRAWINGS, SUCH AS FOR MECHANICAL EQUIPMENT, COORDINATE CONDUIT RUNS WITH THE WORK OF OTHER TRADES AND STRUCTURE. SIMPLIFY INSTALLATION
WHEREVER POSSIBLE, BUT SUBJECT TO APPROVAL BY THE COR FOR VISUAL AND STRUCTURAL REASONS. IT IS NOT WITHIN THE SCOPE OF THE DRAWINGS TO SHOW ALL
NECESSARY OFFSETS, BENDS, PULL BOXES, AND OBSTRUCTIONS. THE DRAWINGS ARE NOT INTENDED TO BE SCALED, REFER TO THE ARCHITECTURAL DRAWINGS FOR
DIMENSIONS.
3. NOT ALL SYMBOLS SHOWN IN LEGENDS ARE USED - SEE DRAWINGS FOR APPLICABLE DEVICES.
4. MOUNTING HEIGHTS INDICATED AS '+##' ARE MEASURED FROM FINISHED FLOOR UNLESS OTHERWISE NOTED.
5. PROVIDE LABELS DENOTING EQUIPMENT SERVED AND CORRESPONDING CIRCUIT NUMBER ON DEDICATED RECEPTACLES.
6. SEAL PENETRATIONS OF FIRE- AND/OR SMOKE -RATED CONSTRUCTION WITH U.L. APPROVED STOPPING MATERIAL TO RESTORE THE ORIGINAL RATING OF THE
PENETRATED CONSTRUCTION.
7. SEAL PENETRATIONS OF NON -RATED PARTITIONS WITH APPROVED MATERIAL TO PREVENT AIRFLOW AND DEBRIS.
8. MOUNTING HEIGHTS SHOWN ON ELECTRICAL, COMMUNICATIONS, AND SYSTEMS DRAWINGS ARE FOR BIDDING PURPOSES ONLY. REFER TO INTERIOR ELEVATION
DRAWINGS FOR MOUNTING HEIGHTS OF DEVICES AND EQUIPMENT. WHERE DISCREPANCIES OCCUR, INTERIOR ELEVATIONS TAKE PRECEDENCE.
9. SUPPORT BOXES AND CONDUIT ABOVE CEILING INDEPENDENTLY. DO NOT SUPPORT FROM SUSPENDED CEILING SYSTEM.
10. WHERE CONCEALED BY INACCESSIBLE FINISHES, PROVIDE ACCESS DOORS FOR JUNCTION & PULL BOXES, CONTROL DEVICES & EQUIPMENT, DISCONNECT SWITCHES,
AND OTHER ITEMS REQUIRING SERVICE, MAINTENANCE, OPERATION, OR ADJUSTMENT. SIZE AND LOCATE ACCESS DOORS FOR EASE OF PERFORMANCE OF THE
FUNCTION INTENDED. DOORS SHALL NOT BE SMALLER THAN 18" x 18". COORDINATE LOCATION OF ACCESS DOORS WITH AFFECTED TRADES. SUBMIT PANEL LOCATIONS
FOR APPROVAL BY THE ARCHITECT PRIOR TO INSTALLATION.
11. INSTALL ADJACENT DEVICES UNDER A COMMON FACEPLATE, WITH NO MORE THAN FOUR DEVICES IN A SINGLE FACEPLATE. WHERE MORE THAN FOUR ADJACENT
DEVICES ARE PRESENT, EVENLY DIVIDE DEVICES INTO SEPARATE GROUPS OF NO LESS THAN TWO DEVICES PER GROUP. PROVIDE BARRIERS WITHIN BOXES TO
SEPARATE DEVICES WHERE DIFFERENT CIRCUITS AND DIFFERENT VOLTAGES ARE PRESENT.
12. PROVIDE LUGS AS NECESSARY FOR TERMINATING OVERSIZED CONDUCTORS OR OTHERWISE MAKE PROVISIONS FOR TERMINATING OVERSIZED CONDUCTORS IN
DEVICES WHOSE LUGS DO NOT ACCEPT THE OVERSIZED CONDUCTOR SIZE.
13. SHARED NEUTRAL CONDUCTORS ARE PROHIBITED.
14. ALL OUTAGES MUST BE SCHEDULED WITH A MINIMUM OF 21 CALENDAR DAYS IN ADVANCE. NOTIFY SOUND TRANSIT PERSONNEL (CONTRACTING OFFICER). MAKE AN
APPLICATION FOR OUTAGES TO SOUND TRANSIT HIGH VOLTAGE FACILITY DEPARTMENT WITH THE PROVIDED REQUEST FORMS AND SUBMIT FOR APPROVAL FOR THE
OUTAGES. NO OUTAGES WILL TAKE PLACE WITHOUT WRITTEN AUTHORIZATION TO SOUND TRANSIT PERSONNEL BY THE CONTRACTOR. OUTAGES CAN BE CANCELED BY
SOUND TRANSIT UP UNTIL THE SCHEDULED TIME OF THE OUTAGE. OUTAGES SHALL BE COORDINATED WITH SOUND TRANSIT PERSONNEL (CONTRACTING OFFICER) TO
MINIMIZE TOTAL OUTAGES TO THE FACILITY.
15. ADJUST WIRE SIZES TO COMPENSATE FOR VOLTAGE DROP. THE LENGTH OF A SINGLE PHASE 20A CIRCUIT (ONE-WAY) SHALL NOT EXCEED THE FOLLOWING VALUES
(BASED ON 16A LOAD):
MAXIMUM 20A CIRCUIT LENGTH SCHEDULE
CONDUCTOR
SIZE (AWG)
MAXIMUM 120V
CIRCUIT LENGTH
MAXIMUM 277V
CIRCUIT LENGTH
#12
60'-0"
135-0"
#10
90'-0"
210'-0"
#8
140'-0"
330'-0"
#6
225-0"
525'-0"
0 1 12/10/2024 I EH I DA I DT I ISSUED FOR BID
No. I DATE I DSN I CHK I APP I REVISION
DESIGNED BY:
D. TAFTFARREN
DRAWN BY:
E. HAJAS
CHECKED BY:
D.ANDERSON
APPROVED BY:
D. TAFTFARREN
.;acobs
SUBMITTED BY:
12/O2/24 I R. PARGAS
MOUNTING HEIGHT SCHEDULE
DEVICES/EQUIPMENT
MOUNTING HEIGHT (AFF)
MEASURED TO:
RECEPTACLES
AS INDICATED ON LEGEND/PLANS
CENTER
TOGGLE SWITCHES
4'-0"
TOP
WALL DIMMERS
4'-0"
TOP
MANUAL MOTOR STARTERS
4'-0"
TOP
OCCUPANCY SENSORS - WALL MOUNTED
4'-0"
TOP
LIGHTING CONTROL PANEL
6'-6"
TOP
LIGHTING CONTROL STATION
4'-0"
CENTER
JUNCTION BOXES
AS INDICATED ON LEGEND/PLANS
CENTER
MONITORING/CONTROL PANEL
5'-0"
TOP
SURFACE METAL RACEWAYS
AS INDICATED ON LEGEND/PLANS
TOP
PANELBOARDS
6'-6"
TOP
DISCONNECT SWITCHES
5'-0"
TOP
AUTOMATIC TRANSFER SWITCHES
6'-6"
TOP
MANUAL TRANSFER SWITCHES
6'-6"
TOP
CONTROL STATIONS
6'-6"
TOP
TVSS (NON -INTEGRAL)
6-0" (NTE)
TOP
MAGNETIC MOTOR CONTROLLERS
6'-6"
TOP
LIGHTING CONTACTORS ENCLOSURES
6'-6"
TOP
INDIVIDUAL CKT BREAKERS ENCLOSURES
6'-6"
TOP
EMERGENCY POWER OFF SWITCHES
5'-6"
CENTER
TIME SWITCHES
6'-6"
TOP
TELECOMMUNICATIONS OUTLETS
1'-6"
CENTER
TELECOMMUNICATIONS OUTLETS - OVER COUNTER
0'-6"
CENTER (OVER TOP OF COUNTER)
GROUND FAULT CIRCUIT INTERRUPTER
4'-0"
CENTER
GROUND BUS BARS
2'-0"
CENTER
INTEGRATED COMMUNICATIONS PANELS
6'-0"
TOP
GENERATOR REMOTE ALARM ANNUNCIATOR
5'-0"
TOP
GENERATOR TERMINAL BLOCKS
5'-0"
TOP
BAS TERMINAL BLOCKS
5'-0"
TOP
GENERATOR STOP SWITCH
5'-6"
CENTER
GENERATOR TANK FUEL LEVEL INDICATORS
5'-0"
TOP
UPS BATTERY MONITORING / CONTROL PANEL
5'-0"
TOP
UPS REMOTE MONITORING PANEL
5'-0"
TOP
MAIN SWITCHGEAR BATTERY CHARGER
5'-0"
TOP
RELAY CONTROL PANELS
6'-6"
TOP
MOUNTING HEIGHT SCHEDULE NOTES:
1. USE ABOVE INDICATED MOUNTING HEIGHTS UNLESS INDICATED OTHER WISE ON DRAWINGS OR SPECIFICATIONS.
2. COORDINATE MOUNTING HEIGHTS WITH FIELD CONDITIONS, OTHER TRADES, AND RELATED EQUIPMENT.
3. REDUCE MOUNTING HEIGHTS OF FIRE ALARM VISUAL AND AUDIO/VISUAL ALARMS WHERE REQUIRED TO MAINTAIN 6" MINIMUM SPACING FROM CEILING.
SCALE:
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BRT General Engineering Consultant z " SOUNDTRANSIT CONTRACT No.:
RTA/CN 0205-24
DATE: REVIEWED BY: DATE: SUBMITTAL DATE:
12/10/2024 J. ALTCHECH 12/10/2024 12/10/2024
STRIDE BUS RAPID TRANSIT
SOUTH RENTON TRANSIT CENTER
BT105
ELECTRICAL
GENERAL NOTES AND MOUNTING
R-4332444
DEVELOPMENT ENGINEERING
msippo 11 /25/2025 U
DRAWING NO.:
BT120-EPNO03
FACILITY ID:
BT120
SHEET No: REV:
522 0