2020 overhead reconductor
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CITY OF PORT ANGELES
2020 OVERHEAD RECONDUCTOR
TABLE OF CONTENTS
SHEET 1:
SHEET 5:
SHEET 6:
SHEET 7:
PROJECT OVERVIEW
OVERHEAD LINE SECTION #1
LINE SECTION #1 PROFILE VIEW
69kV/12.47kV H-FRAME DETAIL
PROJECT OVERVIEW
REPLACE TWO H-FRAME STRUCTURES AND APPROXIMATELY 730 CIRCUIT FEET OF 556.5
ALL-ALUMINUM CONDUCTOR (AAC) AND 336.4 AAC CROSSING THE TUMWATER CREEK RAVINE
IN LINE SECTION 1. REPLACE ONE 69kV TRANSMISSION SWITCH POLE, ONE GUY POLE AND
APPROXIMATELY 160 CIRCUIT FEET OF 556.5 AAC AT THE INTERSECTION OF VALLEY STREET
AND WEST 2ND STREET IN LINE SECTION 2. MAKE ALL APPROPRIATE MODIFICATIONS AND
REPLACEMENTS TO POLES AND FRAMING UNITS AS INDICATED IN THESE DRAWINGS. ALL LINES
TO BE REPLACED SHALL BE DE-ENERGIZED BY THE CITY PRIOR TO REPLACEMENT AND
TRANSFER TO NEW POLES. ALL GUYS AND ANCHORS SHALL BE REPLACED UNLESS
OTHERWISE NOTED. ALL NON-CONSUMABLE MATERIALS FOR THE PROJECT SHALL BE
FURNISHED BY THE CITY. THE FOLLOWING IS A LISTING OF APPROXIMATE QUANTITIES OF
MAJOR MATERIALS:
REMOVAL
- 6 WOOD POLES
- 2670 FEET OF 556.5 AAC CONDUCTOR
- 2920 FEET OF 336.4 AAC CONDUCTOR
INSTALLATION
- 4 WOOD POLES
- 2 FIBERGLASS POLES
- 2670 FEET OF 556.5 AAC CONDUCTOR
- 2920 FEET OF 336.4 AAC CONDUCTOR
LINE SECTION 1
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CONTACTS
SHAILESH SHERE
ANGEL TORRES
GEORGE DRAKE
DEPUTY DIRECTOR OF POWER SYSTEMS
ELECTRICAL ENGINEERING SPECIALIST
GENERAL FOREMAN
JIM SHAY JOB SITE COORDINATOR
SHEET 8: OVERHEAD LINE SECTION #2
NOT TO SCALE
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SHEET 3: STRINGING CHARTS
SHEET 9: 69kV SWITCH POLE DETAIL (NORTH)
LINE SECTION 2
SHEET 4: 69kV SINGLE-LINE DIAGRAM
SHEET 10: 69kV SWITCH POLE DETAIL (EAST)
VICINITY MAP
SHEET 2: GENERAL CONSTRUCTION NOTES
(360)-417-4742
(360)-417-4702
(360)-417-4708
(360)-417-4748
TIMOTHY AMIOT WAREHOUSEMAN (360)-417-4738
JONATHAN BOEHME CITY ENGINEER(360)-417-4803
NOT TO SCALE
ELECTRIC SYMBOLS LEGEND
EDGE OF EMBANKMENT
EDGE OF ROAD
NEW POLE
OVERHEAD FUSE DISCONNECT
REPLACE POLE
EXISTING CONDUCTOR
DOWN GUY & ANCHOR
NEW CONDUCTOR
REMOVE POLE
FUSED DISCONNECT SWITCH
REMOVE CONDUCTOR
ABBREVIATIONS
15KV - 15,000 VOLTS
3Ø - THREE PHASE
69KV - 69,000 VOLTS
AAC - ALL ALUMINUM CONDUCTOR
ACSR - ALUMINUM CONDUCTOR STEEL REINFORCED
ANCH - ANCHOR
ASSY - ASSEMBLY
AWG - AMERICAN WIRE GAUGE
CIR - CIRCUIT
C/O - CUT-OUT (FUSED)
CU - COPPER
DBL - DOUBLE
DE - DEAD END
FPT - FULLY PRESSURE TREATED
G/O - GANG-OPERATED
MOV - METAL OXIDE VARISTOR
MP - METERING POINT
OH - OVERHEAD
PRI - PRIMARY 3Ø (12,470 VOLTS Ø TO Ø AND 7,200
VOLTS Ø TO GROUND)
SCH - SCHEDULE
SEC - SECONDARY (VOLTAGE LESS THAN 600 VOLTS)
SVC - SERVICE
SW - SWITCH
TW - TREE WIRE
UG - UNDERGROUND
XFMR - TRANSFORMER
N.C. - NORMALLY CLOSED
N.O. - NORMALLY OPEN
1.0 GENERAL
1.1 CONSTRUCTION REQUIREMENTS PRESENTED HEREIN SHALL BE STRICTLY
ADHERED TO BY THE CONTRACTOR. REQUIREMENTS PRESENTED SHALL BE
USED IN CONJUNCTION WITH THOSE PRESENTED IN THE PROJECT
DRAWINGS AND SPECIFICATIONS. QUESTIONS CONCERNING ANY
INFORMATION PRESENTED ON THE DRAWINGS OR CONTAINED IN THE
SPECIFICATIONS AND/OR STANDARDS SHALL BE REFERRED TO PERSONS
LISTED AS CONTACTS ON THE PROJECT DRAWINGS, HERETO KNOWN AS THE
CITY STAFF.
1.2 IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO HAVE ALL
DRAWINGS, SPECIFICATIONS, APPLICABLE CITY CONSTRUCTION
STANDARDS, PERMITS, ETC., AT THE JOBSITE AT ALL TIMES. IT SHALL BE THE
RESPONSIBILITY OF THE CITY'S DESIGNATED PROJECT MANAGER TO
APPROVE ANY PROPOSED MODIFICATIONS TO THE DESIGN. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO NOTE ANY APPROVED CHANGES
ON THE AS-BUILT COPY OF THE DRAWINGS. IF THE CONTRACTOR ELECTS
TO ACCEPT INSTRUCTIONS OR INTERPRETATIONS OF DESIGN DRAWINGS
AND SPECIFICATIONS BY PERSONS OTHER THAN THOSE LISTED AS
CONTACTS ON THE PROJECT DRAWINGS, THEY SHALL BE RESPONSIBLE FOR
ANY REWORK CAUSED BY THE ACCEPTANCE OF ANY ERRONEOUS
INSTRUCTIONS.
1.3 THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY
PERMITS AND ESTABLISHING ALL NECESSARY TRAFFIC CONTROLS PRIOR TO
COMMENCING WORK. A COPY OF ALL ISSUED PERMITS SHALL BE MADE
AVAILABLE FOR INSPECTION BY CITY STAFF FOR THE DURATION OF THE
PROJECT.
1.4 ALL PROPERTY CORNERS, POLES, STUBS, AND ANCHORS WILL BE STAKED
BY CITY STAFF PRIOR TO CONSTRUCTION UNLESS OTHERWISE NOTED IN
THE PROJECT DOCUMENTS. THE CONTRACTOR SHALL BE RESPONSIBLE
FOR VERIFYING THAT ALL STAKED STRUCTURE AND GUY LOCATIONS ARE IN
ACCORDANCE WITH THE PROJECT DRAWINGS AND THAT ALL STAKING WILL
BE PROTECTED DURING CONSTRUCTION ACTIVITIES.
1.5 PRIOR TO CONSTRUCTION, THE CITY WILL MAKE A REASONABLE EFFORT TO
COMPLETE ANY REQUIRED TREE CLEARING IN ACCORDANCE WITH ALL
EASEMENT AGREEMENTS AND VEGETATION MANAGEMENT SPECIFICATIONS.
THE CONTRACTOR MAY PROCEED WITH THE WORK PRIOR TO TREE
CLEARING IF CLEARING OPERATIONS DO NOT INTERFERE WITH THE
CONTRACTOR'S OPERATIONS.
1.6 THE CONTRACTOR SHALL HAVE FULL OWNERSHIP AND DISPOSITION OF ALL
MATERIALS REMOVED DURING THE COURSE OF THE PROJECT.
1.7 UPON COMPLETION OF WORK, PROJECT DRAWINGS STAMPED WITH
“FOREMAN'S COPY” SHALL BE SENT TO THE CITY'S DESIGNATED PROJECT
MANAGER WITH ALL AS-BUILT CHANGES NOTED.
1.8 PRIOR TO START OF ANY EXCAVATION THE CONTRACTOR SHALL LOCATE
UNDERGROUND UTILITIES AND BE SOLELY RESPONSIBLE FOR DAMAGE TO
BURIED UTILITIES CAUSED BY THEIR CONSTRUCTION ACTIVITIES.
1.9 THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING ANY EQUIPMENT
NECESSARY TO CONDUCT THE WORK DESCRIBED IN THE PROJECT
DRAWINGS AND SPECIFICATIONS.
1.10 THE CONTRACTOR SHALL COORDINATE TRANSFER OF ALL
TELECOMMUNICATIONS ATTACHMENTS. CONTACT INFORMATION FOR LOCAL
TELECOMMUNICATIONS FIRMS SHALL BE PROVIDED BY CITY STAFF.
1.11 TRANSMISSION SWITCHES INSTALLED BY THE CONTRACTOR SHALL BE
TESTED BY OPENING AND CLOSING THE SWITCH WHILE DE-ENERGIZED
NOT LESS THAN THREE TIMES BY CITY STAFF. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR MAKING ANY ADJUSTMENTS TO THE SWITCH CALLED FOR
BY CITY STAFF BEFORE ACCEPTANCE OF WORK.
2.0 POLE EXCAVATIONS
2.1 POLE EXCAVATIONS SHALL BE MAINTAINED IN A SAFE CONDITION AT ALL
TIMES TO PROTECT THE WORKERS AND THE PUBLIC. EXCAVATIONS SHALL
REMAIN OPEN NO LONGER THAN 24 HOURS. WHILE OPEN, EXCAVATIONS
SHALL BE COVERED TO PREVENT COLLECTION OF STORM WATER OR OTHER
RUNOFF. OPEN EXCAVATIONS LEFT OVERNIGHT OR ON NON-WORKING DAYS
SHALL BE COVERED OR SECURED BY MEANS ACCEPTABLE TO THE CITY OR
PERMITTING AGENCY TO PROTECT THE PUBLIC AND ANIMALS. THE
CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR DAMAGES.
2.2 WORK SHALL BE SCHEDULED TO COINCIDE WITH ANY CULTURAL RESOURCE
MONITORING DEEMED NECESSARY BY THE CITY. IF ANY ITEMS OF POSSIBLE
ARCHEOLOGICAL INTEREST ARE UNCOVERED DURING EXCAVATION, THE
CONTRACTOR SHALL CEASE WORK IMMEDIATELY AND INFORM CITY STAFF.
WORK SHALL NOT RESUME AT THE SITE UNTIL APPROVAL HAS BEEN
OBTAINED BY THE CITY'S CULTURAL RESOURCES OFFICER.
2.3 THE BOTTOM OF ALL EXCAVATIONS IN EARTH SHALL HAVE CLEAN, LEVEL
SURFACES OF UNDISTURBED MATERIAL WITH ADEQUATE BEARING
CAPACITY. WHEN SUITABLE BEARING MATERIAL IS NOT ENCOUNTERED, THE
HOLE SHALL BE CLEARED OF THE UNSUITABLE MATERIAL AND REPLACED
WITH COMPACTED SELECT BORROW.
2.4 THE STABILITY OF THE EXCAVATION SHALL BE MAINTAINED UNTIL
BACKFILLING IS SATISFACTORILY COMPLETED. IF SLOUGHING, RAVELING OR
CAVING BECOMES A PROBLEM, EXCAVATION STABILIZATION METHODS
SHALL BE USED. IF STEEL CASING IS USED, THE CASING SHALL BE OF
SUFFICIENT STRENGTH TO WITHSTAND THE STRESSES AND VIBRATIONS OF
EXCAVATION AND BACKFILL.
A.THE INSIDE DIAMETER OF THE CASING SHALL BE LARGE ENOUGH TO
ACCOMMODATE THE POLE AND/OR POLE BEARING PLATES AND SHALL
ALLOW SUFFICIENT ROOM FOR TAMPING OPERATIONS.
B. IF REQUIRED BY THE ENGINEER, THE CASING SHOULD BE REMOVED
DURING BACKFILLING AND TAMPING SO THAT VOIDS ARE NOT FORMED
BETWEEN THE POLE AND THE NATURAL EARTH.
2.5 EXCAVATION OF ROCK FOR POLE HOLES SHALL BE ACCOMPLISHED USING
AUGERS, HYDRAULIC ROCK SPLITTERS, DRILL AND SHOOT TECHNIQUES OR
OTHER METHODS APPROVED BY CITY STAFF.
2.6 EXCAVATION FOR FIBERGLASS POLES SHALL ONLY BE TO THE DEPTHS
SPECIFIED ON THE PROJECT DRAWINGS OR TO THE SETTING DEPTHS
PROVIDED BY CITY STAFF. THE MINIMUM SIZE OF THE VOID BETWEEN THE
POLE AT GROUND LINE AND THE EDGE OF THE EXCAVATION SHALL BE
BETWEEN 6 AND 12 INCHES MINIMUM, DEPENDING UPON THE MATERIAL
BEING EXCAVATED. HOLES SHALL BE EXCAVATED USING AN AUGER.
EXCAVATION WITH A BACKHOE WILL NOT BE ALLOWED, UNLESS APPROVED
BY THE CITY ENGINEER. THE DEPTHS OF THE HOLE SHALL BE MEASURED AT
THE LOW SIDE OF THE HOLE. POLES SET PARTLY IN EARTH AND PARTLY IN
ROCK SHALL BE SET TO THE DEPTHS SHOWN FOR EARTH.
2.6 POLES LOCATED IN POOR SOIL, SUBJECT TO NORMAL LOADS, SHALL BE
OVER-EXCAVATED BY TWO FEET OR AS SPECIFIED ON THE DESIGN
DRAWINGS. POLES LOCATED IN POOR SOIL AND WHICH HAVE LONG SPANS
OR ARE SUPPORTING HEAVY EQUIPMENT SHALL BE OVER-EXCAVATED BY
THREE FEET OR AS SPECIFIED ON THE DESIGN DRAWINGS.
2.7 EXCAVATION SHALL BE CONDUCTED AND COORDINATED IN SUCH A WAY
THAT EXCAVATED MATERIAL SUITABLE FOR BACKFILL MAY BE REUSED FOR
BACKFILL AND FOR MINOR GRADING AROUND POLES.
2.8 THE CONTRACTOR SHALL RE RESPONSIBLE FOR INSTALLATION OF EROSION
CONTROL IN ACCORDANCE WITH THE MINIMUM REQUIREMENTS AS
OUTLINED IN THE DEPARTMENT OF ECOLOGY STORMWATER MANAGEMENT
MANUAL FOR WESTERN WASHINGTON AND IN PROJECT SPECIFICATIONS.
CITATIONS AND FINES RESULTING FROM THE FAILURE OF THE CONTRACTOR
TO ADEQUATELY INSTALL AND FOLLOW THE EROSION AND SEDIMENT
CONTROL REQUIREMENTS SHALL BE BORNE BY THE CONTRACTOR.
3.0 STRUCTURE SETTING REQUIREMENTS
3.1 POLES SHALL BE LOCATED AND SET TO THE PROPER DEPTHS AS DESCRIBED
ON THE DESIGN DRAWINGS.
3.2 GROUND RODS SHALL BE INSTALLED ON ALL NEW POLES WITH PRIMARY
DISTRIBUTION LINES AND CONNECTED TO THE NEUTRAL.
3.3 POLES SHALL BE HANDLED IN SUCH A MANNER AS TO MINIMIZE DAMAGE.
POLES SHALL NOT BE DRAGGED. MOVEMENT OF POLES OVER GREAT
DISTANCES SHALL BE ACCOMPLISHED WITH SKIDS. CANT HOOK OR ANY
OTHER SURFACE PENETRATING EQUIPMENT SHALL NOT BE USED.
3.4 ANY STRUCTURE OR PORTION THEREOF MAY BE ASSEMBLED ON THE
GROUND PRIOR TO ERECTION, PROVIDED THAT THE METHOD WILL NOT
PERMANENTLY DEFORM OR DAMAGE THE STRUCTURE, AND THAT ALL
MATERIAL ON THE STRUCTURE WILL BE PROTECTED DURING ERECTION.
3.5 ALL HOLES REQUIRED FOR STRUCTURAL ASSEMBLY WHICH ARE NOT
DRILLED OR CUT BY THE POLE MANUFACTURER PRIOR SHALL BE DRILLED IN
AN APPROVED MANNER. HOLES, GAINS AND CUTS IN WOOD POLES MADE IN
THE FIELD SHALL BE TREATED WITH A CITY-APPROVED WOOD
PRESERVATIVE.
3.6 AFTER SETTING AND ALIGNING POLES, THE BACKFILL SHALL BE
MECHANICALLY TAMPED FOR THE FULL DEPTH OF THE EXCAVATION IN
LAYERS NOT MORE THAN EIGHT INCHES THICK. BACKFILL SHALL CONSIST
OF SUITABLE MATERIAL FROM THE EXCAVATION. IF INSUFFICIENT MATERIAL
IS AVAILABLE, SELECT BORROW SHALL BE USED. DENSITY OF THE
COMPLETED BACKFILL SHALL EQUAL OR EXCEED THAT OF THE
SURROUNDING UNDISTURBED EARTH. FOR LOCATIONS IN POOR SOIL AND
WET EARTH, BACKFILLING SHALL RE AS FOLLOWS:
A.WHERE THE POLES ARE SUBJECT TO NORMAL LOADS AND LINE ANGLES
OF TEN DEGREES OR LESS, THE BOTTOM AND TOP TWO FEET OF
BACKFILL SHALL CONSIST OF EITHER CRUSHED ROCK OR SELECT
BORROW MIXED WITH DRY CEMENT.
B. WHERE POLES ARE HEAVILY GUYED OR SUPPORT HEAVY EQUIPMENT,
THE BOTTOM 12 INCHES OF THE OVER--EXCAVATED HOLE SHALL BE
FILLED WITH CRUSHED ROCK OR SELECT BORROW MIXED WITH DRY
CEMENT. THE BACKFILL FOR THESE POLES SHALL BE EITHER CRUSHED
ROCK OR SELECT BORROW MIXED WITH DRY CEMENT.
3.7 CROSSARMS, CROSS-BRACES, VEE--BRACES, AND KNEE--BRACES SHALL BE
ASSEMBLED AND ATTACHED IN ACCORDANCE WITH THE DRAWINGS.
CONNECTORS AND GRID GAINS SHALL BE FULLY SEATED AND ALL BOLTS
SHALL BE ADEQUATELY, BUT NOT EXCESSIVELY TIGHTENED AFTER THE
STRUCTURE HAS BEEN ERECTED AND ALL LOCK NUTS OR EQUIVALENT HAVE
BEEN INSTALLED.
4.0 BACKFILL MATERIAL
4.1 MATERIAL EXCAVATED FOR TRANSMISSION STRUCTURES SHALL NOT BE
REUSED AS BACKFILL MATERIALS. MATERIALS USED FOR BACKFILLING
SHALL BE CRUSHED ROCK CONFORMING TO THE REQUIREMENTS OF
SECTION 4.2.
4.2 BORROW FOR BACKFILLING SHALL BE WELL--GRADED CRUSHED STONE
HAVING A MAXIMUM PARTICLE SIZE OF 1” IN DIAMETER AND FREE FROM
DEBRIS, ORGANIC MATTER, OR OTHER DELETERIOUS MATERIALS.
5.0 GUYS AND ANCHORS
5.1 INSTALLATION OF GUY STRAIN INSULATORS SHALL BE IN ACCORDANCE WITH
COPA STANDARDS. 15,000LB FIBERGLASS INSULATORS SHALL BE USED ON
10M AND 3/8” GUYS AND 30,000LB FIBERGLASS INSULATORS SHALL BE USED
ON 18M, 7/16” AND 1/2” GUYS. ALL GUY STRAIN INSULATORS SHALL BE EIGHT
FEET LONG UNLESS OTHERWISE NOTED.
5.2 GUYS SHALL BE INSTALLED WHERE REQUIRED AND AS SHOWN ON THE
DRAWINGS. SPLICING OF GUYS SHALL NOT BE PERMITTED. ALL GUYS SHALL
BE TIGHTENED TO TAKE OUT THE SLACK IN THE GUY STRANDS AND TO HOLD
THE POLES IN THEIR PROPER POSITION AFTER CONDUCTORS HAVE BEEN
SAGGED. IF AFTER INSTALLATION OF CONDUCTOR POLES ARE OUT OF
PLUMB BY ONE OR MORE POLE TOP DIAMETERS, THE CONTRACTOR SHALL
RE--TENSION ALL GUYS TO BRING THE POLE TO A PLUMB POSITION. ALL
NUTS ON POLE BANDS, CLAMPS AND OTHER FITTINGS SHALL BE TIGHTENED
IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.
5.3 POLE TO POLE TIES SHALL BE INSTALLED AS SHOWN ON THE DRAWINGS.
PRIOR TO THE INSTALLATION OF CONDUCTORS, THE POLE TO POLE TIES
SHALL BE SUFFICIENTLY, BUT NOT EXCESSIVELY, TIGHTENED AND SHALL
NOT CAUSE DEFLECTION IN THE POLE TOPS.
5.4 HELIX ANCHORS SHALL BE INSTALLED PER COPA STANDARDS. HELIX
ANCHORS SHALL BE PROVIDED HAVING A SINGLE 10--FOOT EXTENSION ROD.
THE CONTRACTOR SHALL OBTAIN AND INSTALL ADDITIONAL ANCHOR RODS
AS REQUIRED TO ENSURE PROPER ANCHOR INSTALLATION. IF AFTER
INSTALLATION OF THE SCREW ANCHOR, REQUIRED COVER IS NOT
ACHIEVED, THE ENGINEER SHALL BE CONTACTED FOR APPROVAL AND
ACCEPTANCE OF THE ANCHOR. LOAD TESTING MAY BE REQUIRED FOR
VALIDATION PURPOSES.
5.5 PLATE ANCHORS SHALL BE INSTALLED IN ACCORDANCE WITH COPA
STANDARDS. PLATE ANCHORS FOR DEAD END AND LARGE ANGLE
STRUCTURES SHALL BE BACKFILLED USING A LEAN CONCRETE MIXTURE
HAVING A MINIMUM 28 DAY COMPRESSIVE STRENGTH OF 2500 PSI. PLATE
ANCHORS SHALL HAVE A SINGLE 10 FOOT ROD. APPROXIMATELY 1 TO 1--1/2
CUBIC YARDS OF REDI--MIX CONCRETE SHALL BE USED WITH EACH ANCHOR.
PLATE ANCHORS FOR SMALL ANGLE STRUCTURES SHALL BE BACKFILLED
WITH SELECT BORROW OR NATIVE MATERIALS MIXED WITH CEMENT,
INSTALLED AND COMPACTED IN EIGHT INCH LIFTS.
6.0 CONDUCTOR
6.1 ALL NEW CONDUCTORS SHALL BE PULLED DIRECTLY FROM THE REEL AND
THROUGH CORRECTLY SIZED ROLLERS OR STRINGING BLOCKS PROPERLY
MOUNTED ON A POLE OR CROSSARM TO PREVENT BINDING OR DAMAGE
WHILE STRINGING.
6.2 ALL NEW CONDUCTORS SHALL BE SAGGED PER THE STRINGING CHARTS
SHOWN ON THE PROJECT DRAWINGS. THE TEMPERATURE AND SAG OF ALL
EXISTING CONDUCTORS TO BE TRANSFERRED TO ANY NEW STRUCTURE
SHALL BE RECORDED USING THE TENSION METHOD, MID-SPAN SAG METHOD,
OR RETURNING WAVE METHOD ON THE AS-BUILT DRAWINGS PRIOR TO
TRANSFER. EXISTING CONDUCTORS SHALL THEN BE PULLED TO THEIR
RECORDED SAG OR TENSION VALUES ONCE TRANSFERRED TO THE NEW
STRUCTURE.
6.3 A CALIBRATED THERMOMETER AND DYNAMOMETER SET SHALL BE USED
FOR ALL STRINGING OPERATIONS. THE CALIBRATION DATE FOR EQUIPMENT
USED TO STRING CONDUCTORS SHALL BE WITHIN ONE YEAR OF THE
STRINGING DATE. THE AMBIENT TEMPERATURE SHALL BE RECORDED WITHIN
ONE HOUR BEFORE AND AFTER NEW CONDUCTORS ARE TENSIONED AND
CLIPPED IN.
6.4 FULL-TENSION AUTOMATIC SPLICES SHALL BE UTILIZED IN ALL INSTANCES
WHERE SPLICING IS REQUIRED. ALL CONDUCTORS SHALL BE CLEANED
THOROUGHLY WITH A WIRE BRUSH BEFORE SPLICING OR INSTALLING
CONNECTORS OR CLAMPS. A SUITABLE OXIDATION INHIBITOR SHALL BE
APPLIED BEFORE SPLICING OR APPLYING CONNECTORS TO ALUMINUM
CONDUCTOR. ALL SPLICES MUST BE APPROVED BY CITY STAFF PRIOR TO
IMPLEMENTATION.
SPAN GUY
SERVICE LATERAL
SERVICE METER
GENERAL CONSTRUCTION NOTES
CREEK BED
NOT TO SCALE
STRINGING CHART FOR 556.5 AAC DAHLIA, 160 FT RULING SPAN
NESC RULE 250D EXTREME ICE WITH CONCURRENT WIND LOADING
DESIGN LIMIT 25% RATED TENSILE STRENGTH
MAXIMUM SAG 4FT-8IN AT 167 DEG F
Span
Length
Horizontal Tension Method (lbs)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
160-0 827 782 743 709 678 650 626 602 582 563 546 530 516
Span
Length
Mid-Span Sag Method (ft-in)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
150-0 1-9 1-10 2-0 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10
160-0 2-0 2-2 2-3 2-4 2-5 2-7 2-8 2-9 2-10 2-11 3-1 3-2 3-3
170-0 2-3 2-5 2-6 2-8 2-9 2-11 3-0 3-1 3-3 3-4 3-5 3-7 3-8
Span
Length
Returning Wave Method (seconds, 3 waves)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
150-0 3.98 4.09 4.2 4.3 4.39 4.49 4.57 4.66 4.74 4.82 4.9 4.97 5.04
160-0 4.24 4.36 4.48 4.58 4.69 4.79 4.88 4.97 5.06 5.14 5.22 5.3 5.37
170-0 4.51 4.63 4.76 4.87 4.98 5.08 5.18 5.28 5.38 5.46 5.55 5.63 5.71
STRINGING CHART FOR 556.5 AAC DAHLIA, 730 FT RULING SPAN
NESC RULE 250D EXTREME ICE WITH CONCURRENT WIND LOADING
DESIGN LIMIT 50% RATED TENSILE STRENGTH
MAXIMUM SAG 32FT-2IN AT 167 DEG F
Span
Length
Horizontal Tension Method (lbs)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
730-0 1430 1416 1402 1388 1375 1363 1350 1338 1326 1315 1304 1293 1282
Span
Length
Mid-Span Sag Method (ft-in)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
720-0 23-7 23-10 24-1 24-4 24-7 24-9 25-0 25-3 25-5 25-8 25-11 26-1 26-4
730-0 24-3 24-6 24-9 25-0 25-3 25-6 25-8 25-11 26-2 26-5 26-7 26-10 27-1
740-0 24-11 25-2 25-5 25-8 25-11 26-2 26-5 26-8 26-11 27-1 27-4 27-7 27-10
Span
Length
Returning Wave Method (seconds, 3 waves)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
720-0 14.53 14.6 14.67 14.75 14.82 14.88 14.95 15.02 15.09 15.15 15.22 15.28 15.35
730-0 14.73 14.8 14.88 14.95 15.02 15.09 15.16 15.23 15.3 15.36 15.43 15.5 15.56
740-0 14.93 15.01 15.08 15.16 15.23 15.3 15.37 15.44 15.51 15.57 15.64 15.71 15.77
STRINGING CHART FOR 336.4 AAC TULIP, 730 FT RULING SPAN
NESC RULE 250D EXTREME ICE WITH CONCURRENT WIND LOADING
DESIGN LIMIT 50% RATED TENSILE STRENGTH
MAXIMUM SAG 40FT-1IN AT 167 DEG F
Span
Length
Horizontal Tension Method (lbs)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
730-0 619 616 613 609 606 603 600 597 594 591 588 585 582
Span
Length
Mid-Span Sag Method (ft-in)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
720-0 33-1 33-3 33-5 33-7 33-9 33-11 34-2 34-4 34-6 34-8 34-10 35-0 35-2
730-0 34-0 34-2 34-4 34-6 34-9 34-11 35-1 35-3 35-5 35-7 35-10 36-0 36-2
740-0 34-11 35-1 35-4 35-6 35-8 35-10 36-1 36-3 36-5 36-7 36-9 37-0 37-2
Span
Length
Returning Wave Method (seconds, 3 waves)
(ft-in)30 F 35 F 40 F 45 F 50 F 55 F 60 F 65 F 70 F 75 F 80 F 85 F 90 F
720-0 17.2 17.24 17.29 17.33 17.38 17.42 17.47 17.52 17.56 17.6 17.65 17.69 17.73
730-0 17.44 17.48 17.53 17.57 17.62 17.67 17.72 17.76 17.8 17.85 17.89 17.94 17.98
740-0 17.67 17.72 17.77 17.82 17.87 17.91 17.96 18 18.05 18.09 18.14 18.18 18.23
STRINGING CHARTS
69kV TRANSMISSION CIRCUIT
SINGLE-LINE DIAGRAM
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535
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536
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OVERHEAD LINE SECTION #1
POLE DESCRIPTIONS
POLE #
COPA
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1
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39-FP-06
REMOVE:
ADD:
COMMENTS:
(2) 65FT CLASS 2 WOOD POLES, DOUBLE DEAD-END 69kV AND 12.47kV FRAMING
H-FRAME STRUCTURE PER DETAIL.
(2) 65FT CLASS 2 WOOD POLES, DOUBLE DEAD-END 69kV AND 12.47kV FRAMINGEXISTING:
1. COORDINATE ALL EXCAVATING ACTIVITIES WITH CULTURAL RESOURCE MONITORING AS DETERMINED BY THE CITY.
2. REMOVE ALL GUY AND ANCHOR ASSEMBLIES (CITY FACILITIES ONLY) AND INSTALL ALL ANCHORS WITH LEADS
NOT LESS THAN 30 FT FROM THE POLE CLOSEST TO THE ANCHOR WHERE STAKED.
3. INSTALL EACH POLE AT A MINIMUM DEPTH OF 8.5 FT.
4. INSTALL FOUR PLATE ANCHORS IN THE EMBANKMENT WEST OF THE H-FRAME STRUCTURE, ONE FOR EACH FRAMING ON
EACH POLE, SUCH THAT THE EYE OF THE ANCHOR IS WITHIN 5 DEGREES OF BEING PARALLEL TO THE GUYED LOAD. PLATE
ANCHORS SHALL HAVE A MINIMUM HORIZONTAL SPACING OF 10 FT. INSTALL HELIX ANCHORS USING NOT LESS THAN 4500
LBS OF TORQUE.
5. INSTALL A 144" FIBERGLASS STRAIN INSULATOR IN EACH GUY SUPPORTING THE 69KV TRANSMISSION FRAMING, SUCH
THAT THE FIBERGLASS STRAIN INSULATOR EXTENDS BELOW THE 12.47KV DISTRIBUTION FRAMING.
6. STRING NEW CONDUCTORS ON SHEAVES FROM STATION 2 TO STATION 1 AND ALLOW 24 HOURS FOR CONDUCTORS TO
SETTLE BEFORE TENSIONING. TENSION CONDUCTORS USING A DYNAMOMETER SET PER THE ATTACHED STRINGING
CHARTS. CONTACT THE CITY ELECTRICAL ENGINEERING SPECIALIST FOR ALTERNATE TENSION VALUES IF TEMPERATURE
IS BEYOND THE STRINGING CHART TEMPERATURE RANGE. RECORD AMBIENT TEMPERATURE BEFORE AND AFTER EACH
CONDUCTOR IS TENSIONED.
7. ATTACH VIBRATION DAMPERS ON EACH CONDUCTOR CROSSING THE RAVINE PER THE H-FRAME DETAIL.
39-FP-07
730 LF 3-556.5 AAC CONDUCTOR FROM STATION 1 TO STATION 2
730 LF 4-336.4 AAC CONDUCTOR FROM STATION 1 TO STATION 2
730 LF 3-556.5 AAC CONDUCTOR FROM STATION 2 TO STATION 1
730 LF 4-336.4 AAC CONDUCTOR FROM STATION 2 TO STATION 1
(12) G404, (4) A003, (2) A002, H001
(12) G404, (6) A005, H001
(12) G404, (6) A005, H001
1
39-ER-01
REMOVE:
ADD:
COMMENTS:
(2) 65FT CLASS 2 WOOD POLES, DOUBLE DEAD-END 69kV AND 12.47kV FRAMING
H-FRAME STRUCTURE PER DETAIL.
(2) 65FT CLASS 2 WOOD POLES, DOUBLE DEAD-END 69kV AND 12.47kV FRAMINGEXISTING:
1. COORDINATE ALL EXCAVATING ACTIVITIES WITH CULTURAL RESOURCE MONITORING AS DETERMINED BY THE CITY.
2. REMOVE ALL GUY AND ANCHOR ASSEMBLIES (CITY FACILITIES ONLY) AND INSTALL ALL ANCHORS WHERE STAKED, WITH
LEADS NOT LESS THAN 30 FT FROM THE POLE CLOSEST TO THE ANCHOR.
3. INSTALL NORTH POLE AT A MINIMUM DEPTH OF 8.5 FT AND INSTALL SOUTH POLE AT A MINIMUM DEPTH OF 10.5 FT TO
ACCOUNT FOR GROUND LINE CONTOUR.
4. INSTALL FOUR PLATE ANCHORS IN THE EMBANKMENT EAST OF THE H-FRAME STRUCTURE, ONE FOR EACH FRAMING ON
EACH POLE, SUCH THAT THE EYE OF THE ANCHOR IS WITHIN 5 DEGREES OF BEING PARALLEL TO THE GUYED LOAD. PLATE
ANCHORS SHALL HAVE A MINIMUM HORIZONTAL SPACING OF 10 FT. INSTALL TWO ANCHORS TO THE HILLSIDE
APPROXIMATELY 100 FT WEST OF THE H-FRAME STRUCTURE. INSTALL HELIX ANCHORS USING NOT LESS THAN 4500 LBS OF
TORQUE.
5. INSTALL A 144" FIBERGLASS STRAIN INSULATOR IN EACH GUY SUPPORTING THE 69KV TRANSMISSION FRAMING, SUCH
THAT THE FIBERGLASS STRAIN INSULATOR EXTENDS BELOW THE 12.47KV DISTRIBUTION FRAMING.
39-ER-02
(12) G404, (4) A003, (4) A002, H001
(12) G404, (6) A005, H001
(12) G404, (6) A005, H001
W. 16TH STS
.R
. 1
1
7
TUMWATER CREEK
SR-117
W. 16TH ST
S
C
A
L
E
1
"
=
5
0
0
'
LINE SECTION #1 PROFILE VIEW
PROFILE NOTES
1. THE ROADWAY TO THE WEST OF TUMWATER CREEK IS WASHINGTON STATE ROUTE 117.
2. ALL APPLICABLE PERMITTING SHALL BE OBTAINED BY THE CONTRACTOR AND KEPT ON THE JOBSITE AT ALL TIMES.
3. THE SCALE FOR BOTH ELEVATION AND CONTOUR VIEWS ARE APPROXIMATE WITHIN 2 FEET OF ACTUAL FIELD CONDITIONS. THE H-FRAME
STRUCTURE EAST OF STATE ROUTE 117 IS SET IN A BERM APPROXIMATELY 10 FEET TALL AND 5 FEET WIDE (NOT SHOWN IN CONTOUR VIEW).
POLE SETTING DEPTHS AND GUY ANCHOR PLACEMENT SHALL BE STAKED BY CITY STAFF AND CONFIRMED BY THE CONTRACTOR PRIOR TO EXCAVATION.
4. ALL EXCAVATING ACTIVITIES SHALL BE COORDINATED WITH CULTURAL RESOURCE MONITORING AS DETERMINED BY THE CITY.
5. ELEVATION SCALE IS APPROXIMATELY 5 FEET PER DIVISION.
6. CONTOUR INTERVALS ARE APPROXIMATELY 2 FEET PER INTERVAL.
TUMWATER CREEK RAVINE (ELEVATION)
TUMWATER CREEK RAVINE (CONTOUR)
NOT TO SCALE
69kV/12.47kV H-FRAME DETAIL
DAMPER DETAIL (69kV)
DAMPER DETAIL (12.47kV)
ELEVATION DETAIL
SIDE VIEW (69kV)
SIDE VIEW (12.47kV)
FRAMING DETAIL (12.47kV)FRAMING DETAIL (69kV)
X-BRACE DETAIL
69kV/12.47kV Double Deadend H-Frame
Bill Of Materials
Item Material
Quantity
Stock No.
1
115 kV Suspension Insulator
6 285-074-00110
2
Clevis Fitting
6 285-097-00XXX
3 115 kV Vertical Insulator 3 280-074-00127
4
Clamp, Suspension Trunnion
3 285-074-00119
5Crossarm, Wood, 5-1/2" x 7-1/2" x 22'
4 540-091-00XXX
6
Nut, Eye, Oval, 3/4"
6 320-043-00002
7
Washer, Coil Spring, 3/4"
57 320-092-00012
8
Washer, Square, Flat, 4" x 4" x 1/4"
12 320-092-00013
9Nut, Machine 3/4"
6 320-092-00XXX
10
Bolt, Double-Arming, 3/4" x 28"
3 320-020-00043
11Bolt, Machine 5/8" x 8"
8 320-020-00013
12Bolt, Machine 3/4" x 16"
8 320-020-00029
13Washer, Curved, 3-1/4" x 3-1/4"
8 320-092-00003
14Lock Nut, 3/4"
16 320-092-00012
15
X-Brace, Fiberglass
1 540-091-00XXX
16
Clamp, Deadend, Quadrant
14 285-074-00XXX
17Gain, Grid, Transmission
4 285-074-00XXX
18Pole, Wood, 65/H1
2 540-069-00XXX
19
15 kV Suspension Insulator
6 285-074-00010
20
Nut, Eye, Oval, 5/8"
8 285-043-00001
21
13.5 kV Insulator, Pin Type
6 280-074-00031
22
Neutral Insulator, Pin Type
2 285-074-00032
23
Washer, Coil Spring, 5/8"
16 320-092-00014
24
Lag Screw, Pole Top Pin
8 285-074-00041
25Nut, Machine 5/8"
8 320-092-00XXX
26
Bolt, Double-Arming, 5/8" x 28"
4 320-020-00037
27
Washer, Square, Flat, 2-1/4" x 2-1/4"
32 320-092-00001
28
Pole Eye Attachment Plate
12 285-074-00030
29
Clamp, Deadend
8 285-097-0000X
30Armor Rod, 336 AAC
8 285-074-00087
31Armor Rod, 556 AAC
6 285-074-00106
32
Preformed VORTX Damper, VSD-2525
6 285-074-00XXX
33
Preformed VORTX Damper, VSD-2020
8 285-074-00XXX
34Anchor, Quad Helix 10" x 12" x 14" x 14"
4 285-074-00XXX
35Anchor, 24" Plate
4 285-074-00XXX
36
Wire, Guy, 18M Alumoweld (as required)
12 280-040-00002
37
Insulator, Strain, Fiberglass 144"
12 285-074-00037
38
Ground Wire, #6 Solid Copper (as required)
1 280-016-00006
39
Ground Rod, 5/8" x 8', Copperweld
1 285-074-00022
40
Clamp, Ground Rod, 5/8" Bronze
2 285-097-00011
41
Pole Cap, Nail-On, 12"
2 285-074-00089
21
1
20
8
21
2
11
2
30
9
4
3
5
325
11
3
306
331
314
430
308
4
3
0
232
312
22
0
310 316
413,
420
5
0
1
M
a
r
i
n
e
D
r
.
2nd St.
Cherry St.
U
/
G
VALLEY ST.
SUBSTATION
OVERHEAD LINE SECTION #2
POLE DESCRIPTIONS
POLE #
COPA
S
C
A
L
E
:
1
"
=
5
0
'
2
19-ES-07
REMOVE:
ADD:
COMMENTS:
40FT CLASS 3 WOOD POLE, G404, A005, S006AEXISTING:
1. COORDINATE ALL EXCAVATING ACTIVITIES WITH CULTURAL RESOURCE MONITORING AS DETERMINED BY THE CITY.
2. INSTALL THE FIBERGLASS POLE AT A MINIMUM DEPTH OF 5 FT.
3. REMOVE ALL GUY AND ANCHOR ASSEMBLIES (CITY FACILITIES ONLY) AND INSTALL ANCHOR WHERE STAKED. TORQUE
ANCHOR TO 3000 LBS. ATTACH POLE BANDING KITS, FIBERGLASS STRAIN INSULATORS AND DOWN GUY LEADS AS SHOWN
IN THE ATTACHED 69kV SWITCH POLE DETAIL (EAST).
1
19-FS-08
REMOVE:
ADD:
COMMENTS:
EXISTING:
1. COORDINATE ALL EXCAVATING ACTIVITIES WITH CULTURAL RESOURCE MONITORING AS DETERMINED BY THE CITY.
2. INSTALL THE FIBERGLASS POLE AT A MINIMUM DEPTH OF 9 FT.
3. REMOVE ALL GUY AND ANCHOR ASSEMBLIES (CITY FACILITIES ONLY) AND INSTALL ALL ANCHORS WHERE STAKED.
TORQUE ANCHORS TO 3000 LBS.
4. INSTALL 12' FIBERGLASS INSULATING LINKS AS NOTED IN THE ATTACHED 69kV SWITCH POLE DETAILS.
5. RECORD SAG OF EXISTING CONDUCTORS AND RECORD ON AS-BUILT DRAWINGS PRIOR TO TRANSFERRING
CONDUCTORS TO NEW POLE. PULL THE 69kV CONDUCTORS WEST OF POLE 19-FS-08 TO MATCH EXISTING SAG.
6. TENSION NEW CONDUCTOR PER THE ATTACHED STRINGING CHARTS. RECORD TEMPERATURES BEFORE AND AFTER
TENSIONING ON AS-BUILT DRAWINGS.
7. MOUNT NEW 69kV "TURNER" STYLE 1200A LOAD-BREAK SWITCHES WITH 9-FOOT SPACING BETWEEN PHASES. ATTACH
SWITCH LABEL "L-002" TO THE NEW POLE PER CITY STANDARD OM009. CITY STAFF SHALL OPERATE THE NEW
SWITCHES AT LEAST THREE TIMES WHILE DE-ENERGIZED TO VERIFY THAT THE SWITCHES OPERATE SMOOTHLY.
MAKE ADJUSTMENTS TO SWITCHES AS DIRECTED BY CITY STAFF.
1
2
40FT CLASS 3 WOOD POLE, G404, A005, S006A
40FT CLASS 3 FIBERGLASS POLE, (2)G405, A005, S006A, (3)G101, (2) 12" FIBERGLASS STRAIN INSULATORS
70FT CLASS 2 FIBERGLASS POLE, (3)1200A LOAD-BREAK 69KV SWITCHES, TM703F, TM001, (3)G505, (3)G405,
(2)A005, (5)144" FIBERGLASS STRAIN INSULATORS, (3)160FT OF 556.5 AAC DAHLIA
70FT CLASS 2 WOOD POLE, (3)1200A LOAD-BREAK 69KV SWITCHES, (2)TM601, TM001, (2)G504, (3)G404, (2)A005,
(3)160FT OF 556.5 AAC DAHLIA
70FT CLASS 2 WOOD POLE, (3)1200A LOAD-BREAK 69KV SWITCHES, (2)TM601, TM001, (2)G504, (3)G404, (2)A005,
(3)160FT OF 556.5 AAC DAHLIA
STANDARD TM 703F
WITH (3) 69kV SWITCHES
(3) STANDARD G405
WITH 144" INSULATORS
INSTALL ADDITIONAL INSULATOR
12' BELOW FIRST INSULATOR
STANDARD
TM001
(2) STANDARD
A005
SCALE: 1"=4'
69kV SWITCH POLE DETAIL (NORTH VIEW)
9'
9'
45'
50'
SCALE: 1" = 5'
STANDARD TM703F
WITH (3) 69kV SWITCHES
(3) STANDARD G505
WITH 144" INSULATORS
69kV SWITCH POLE DETAIL (EAST VIEW)
GROUNDLINE
INSTALL ADDITIONAL INSULATOR 12'
BELOW FIRST INSULATOR
(2) STANDARD G405 WITH
12" INSULATORS
STANDARD A005
(3) STANDARD G101
STANDARD S006A