TCEC_Spec_Book.pdf
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This is a Specifications and Drawings document published by the United States Department of Agriculture Rural Utilities Service (RUS) and reprinted by Tri-County Electric Cooperative, Inc. (TCEC) for 24.9/14.4 kV overhead electric distribution line construction. The document serves as a technical reference guide for RUS borrowers and contains comprehensive construction specifications, standardized assembly drawings, and design parameters for electrical distribution infrastructure. The specifications cover single-phase, two-phase, three-phase, and double-circuit primary pole top assemblies, as well as auxiliary components including guying assemblies, anchor assemblies, transformer assemblies, grounding assemblies, secondary assemblies, and service assemblies. The document includes detailed material lists organized by functional category, maximum line angle tables for various conductor sizes and loading districts, pole setting depth specifications, and construction guides for proper installation of equipment. TCEC, headquartered in Madison, Florida, provides these standardized specifications to establish uniform requirements and safety standards for construction projects across its service territory in Madison, Jefferson, Taylor, and Dixie Counties.
The specifications emphasize compliance with the National Electrical Safety Code (NESC) current standards and applicable state and local electrical safety requirements, with all overhead distribution circuits required to meet Grade C strength requirements at minimum. The document incorporates RUS design standards and safety factors and specifies that borrowers may select materials from designated categories listed in RUS Informational Publication 202-1. The specifications include provisions for using alternative insulator types and quantities, post-type insulators, fiberglass crossarms, polymer insulators, and narrow-profile narrow-wing configurations to accommodate varying project requirements and site conditions. Construction guidance addresses conductor handling, sagging procedures, splicing requirements, hot-line clamp installations, stirrup usage criteria, and pole-top assembly configurations. The bulletin was originally published in June 2000 as an update and revision of previous REA Bulletin 50-5, with significant reformatting into nineteen separate functional sections and updated drawing nomenclature to provide clearer standardization and consistency across RUS borrower electric systems nationwide.
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Text version
Tri-County Electric Cooperative, Inc.
Home Office:
2862 West US 90 Madison, FL 32340 850-973-2285 1-800-999-2285 www.tcec.com
United States Department Of Agriculture
Electrification Administration
Reprinted By:
TCEC
Specifications & Drawings for
24.9 / 14.4 kV Line
Construction
RUS Bulletin:
1728F-803 June 2000
Table of Contents
RUS Bulletin 1728F-803 1
Bulletin Index 3
General Construction Specifications 6
Conductor Installation Specifications 8
Construction Specifications for Pole Top Assemblies 10
Maximum Line Angles on Pin Insulator Assemblies Table I 11
Maximum Line Angles on Pin Insulator Assemblies Table II 12
Maximum Line Angles on Pin Insulator Assemblies Table III 13
Maximum Line Angles on Pin Insulator Assemblies Table IV 14
Maximum Line Angles on Pin Insulator Assemblies Table V 15
Single Phase Primary Pole Top Assembly Units Index A 16
VA1.0 17
VA1.1P VA1.2P 18
VA1.3P 19
VA1.11P 20
VA1.12G 21
VA2.0 22
VA2.1P 23
VA2.21P 24
VA3.1 25
VA3.2 26
VA4.1 27
VA4.2 28
VA5.1 29
VA5.3, VA5.4 30
VA5.5G 31
VA5.21, VA5.31 32
VA5.71F 33
VA6.1 34
VA6.2 35
VA6.21 36
VA6.41 37
VA6.22G 38
Two Phase Primary Pole Top Assembly Units Index B 39
VB1.11P, VB1.12P 40
VB1.11PL 41
VB1.11F 42
VB1.1NP 43
VB1.7NP 44
VB2.21P 45
VB2.21PL 46
VB1.21F 47
VB2.1NP 48
VB2.9NP 49
VB3.1 50
VB4.1 51
VB5.1 52
VB5.21, VB5.31 53
VB5.71F 54
VB6.21 55
VB6.41 56
Three Phase Pole Top Assembly Units Index C 57
VC1.11P, VC1.12P 60
VC1.11PL 61
VC1.11F 62
VC1.13P 63
VC1.41P 64
VC1.42P 65
VC1.41F 66
VC1.42F 67
VC1.1NP 68
VC1.7NP 69
VC1.81G 70
VC2.21P 71
VC2.21F 72
VC2.51P 73
VC2.51F 74
VC2.52P 76
VC2.52F 76
VC2.1NP 77
VC2.9NP 78
VC3.1 79
VC3.2L 80
VC4.1 81
VC4.2L 82
VC5.1 83
VC5.2L 84
VC5.11G 85
VC5.21, VC5.31 86
VC5.21F 87
VC5.71F 88
VC5.82G 89
VC6.21, VC6.31 90
VC6.21F 91
VC6.41 92
VC6.51 93
VC6.51F 94
VC6.52G 95
VC6.91G 96
Double Circuit Pole Top Assembly Units Index D 97
VD1.81P, VD1.82P 98
VD1.81F 99
VD1.83P 100
VD1.83F 101
VD1.7NP 102
VD2.21F 103
VD2.91P 104
VD2.91F 105
VD2.93F 106
VD2.9NP 107
VD3.1G 108
VD4.1G 109
VD5.71F 110
VD5.91G 111
VD6.91 112
VD6.91F 113
Triple Circuit Pole Top Assembly Units Index T 114
VT1.11F 115
VT1.81F 116
VT2.21F 117
VT2.51F 118
VT2.91F 119
VT5.21F 120
VT6.21F 121
VT6.31F 122
VT6.81F 123
VT6.91F 124
Guying Assembly Units Index E 125
Construction Specifications for Guys 126
E1.1, E2.1 127
E1.01, E2.01 128
E12.2, E12.3 129
E13.2, E13.3 130
E3.1 131
E3.10 132
E4.PB 133
E5.1G36 134
E5.1G54 135
E5.1G78 136
Anchor Assembly Units Index F 137
Construction Specification for Anchoring 138
Table F 139
F2.8, F2.10, F2.12, F2.15 140
F7.2, F7.3 141
Transformer Assembly Units Index G 142
Construction Specification for Taps, Jumpers and Arrestors Index G 143
G1.1G 144
VG1.2 145
VG1.3 146
VG1.4, VG1.5 147
VG1.6 148
VG2.1, VG2.1F 149
G2.1G 150
VG3.1, VG3.1F 151
G3.1G 152
VG3.2, VG3.2F 153
G3.2G 154
VG3.3, VG3.3F 155
G3.3G 156
Grounding Assembly Units Index H 157
Construction Specifications for Grounding 158
H1.2 159
H1.11 160
H1.12 161
H1.EXT 162
Secondary Assembly Units Index J 163
Construction Specification for Secondaries and Service Drops 164
J1.1, J1.2 165
J2.1, J2.2 166
J3.1 167
Service Assembly Index K 168
K1.1 169
K1.3 170
K2.1 171
K3.1, K3.2 172
K4.1G 173
K4.2G 174
K4.3G 175
K4.4G 176
K6.2 177
Tying Guides Index L 178
VL1.1G 179
VL1.2G 180
L2.1G 181
L2.2G 182
L3.1G 183
L3.2G 184
L3.3G 185
L4.1G 186
L4.2G 187
Miscellaneous Assembly Units and Guides Index M 188
Right-of-Way Clearing Specifications 189
M1.30G 190
VM5.4 191
Neutral Assembly Units Index N 192
Maximum Line Angles on Spool Insulator Assemblies Table VI 193
Maximum Line Angles on Spool Insulator Assemblies Table VII 194
N1.1 195
N2.1 196
Protection Assembly Units Index P 197
P1.01, P1.1 198
P1.3 199
VP1.01, VP1.1 200
VP1.3 201
VP1.11 202
Metering Assembly Units Index Q 203
Q1.1 204
Q3.1 205
Q3.2 206
Q3.3 207
VQ4.1 208
Oil Circuit Recloser Assembly Units Index R 209
VR1.2 210
VR2.2, VR2.2F 211
VR3.2 212
VR3.2F 213
VR1.21 214
VR2.21 215
VR3.21 216
VR4.1 217
VR4.11, VR4.21 218
VR4.3, VR4.2 219
VR4.31 220
VR5.1 221
Sectionalizing Assembly Units Index S 222
S1.01, S1.02 223
VS1.01, VS1.02, VS2.01, VS2.02 224
VS1.1, VS1.2 225
VS1.3, VS1.4 226
VS2.21 227
VS2.31 228
VS2.31F 229
VS3.02, VS3.2 230
VS4.02, VS4.2 231
VS4.31 232
Wood Poles, Crossarms and Braces Index W 233
Construction Specification for Poles and Crossarms 234
Pole Setting Depths Table W 235
W1.1G 236
W2.1G 237
W2.8, W2.10, W2.8FT, W2.8FD, W2.10FT, W2.10FD 238
W3.1, W3.2 239
Voltage Alteration Equipment Assembly Units Index Y 240
VY1.1 241
VY1.3 242
VY2.1 243
VY3.3 244
Table of Selected SI to Metric Conversion Appendix I 245
Derivation of Maximum Permissible Line Angles Appendix II 246
1 | P a g e
UNTIED STATES DEPARTMENT OF AGRICULTURE
Rural Utilities Service
RUS BULLETIN 1728F-803
SUBJECT: Specifications and Drawings for 24.9 / 14.4 kV Line Construction
Incorporated by reference in 7 CFR Part 1728
TO: All RUS Borrower
RUS Electric Staff
EFFECTIVE DATE: Date of Approval
EXPIRATION DATE: Not applicable. Incorporated by reference in 7 CFR Part 1728
OFFICE OF PRIMARY INTEREST: Distribution branch, Electric Staff Division
FILING INSTRUCTIONS: This bulletin is an update and revision of previous REA Bulletin 50-
5 (D-803), (revised September, 1969), and has been renumbered and renamed as RUS Bulletin
1728F-803, Specifications and Drawings for 24.9 / 14.4 kV Line Construction. Replace previous
Bulletin 50-5 with this bulletin and file with 7 CFR Part 1728.
PURPOSE: The specifications and drawings of this bulletin have been published to set forth requirements, specifications and standards for the construction of 24.9 / 14.4 kV overhead electric distribution lines and associated equipment and construction assembly units.
GENERAL: Listed below are some of the significant changes and additions which were made during the update of this bulletin:
(a) The bulletin has been reformatted into 19 separate sections or categories. Each section generally contains construction specifications, an index of drawings, and construction drawings of assemblies designed to perform a similar function.
(b) New tables have been added to define maximum line angles and soil classification data. Appendix 2 at the end of the bulletin documents the formula and data used to determine the line angles in the tables.
2 | P a g e
(c) All of the drawing numbers have been changed to a uniform format in which each character in the number has a functional meaning.
(d) Each drawing has been given a new, shorter, and more uniform title or name.
(e) “Design parameters”, which define and usually limit maximum line angles or mechanical loading (tension), have been added to most of the drawings.
(f) Several new drawings exhibit the application of post type insulators.
(g) Several new construction “guides” drawings have been added which show the configuration and spacing of more than one assembly on a structure, or show the installation details of full or partial assembly units. These drawings do not list the material used.
(h) New construction and specifications for the use of stirrups were added.
3 | P a g e
BULLETIN 1728F-803: INDEX
SECTION CATEGORY DESCRIPTIONS
General Construction Specifications
Conductor Installation Specifications
A SINGLE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
Index A
Construction Specifications for Pole Top Assemblies
Tables I – V: Maximum Line Angles
Single-Phase Primary Pole Top Construction Drawings
B TWO-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
Index B
Two-Phase Primary Pole Top Construction Drawings
C THREE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
Index C
Three-Phase Primary Pole Top Construction Drawings
D DOUBLE-CIRCUIT PRIMARY POLE TOP ASSEMBLY UNITS
Index D
Double Circuit Primary Pole Top Construction Drawings
E GUYING ASSEMBLY UNITS
Index E
Construction Specifications for Guys
Guying Construction Drawings
F ANCHOR ASSEMBLY UNITS
Index F
Construction Specifications for Anchoring
Table F: Soil Classifications
Anchor Construction Drawings
G TRANSFORMER ASSEMBLY UNITS
Index G
Construction Specifications for Taps, Jumpers and Arrestors
Transformer Construction Drawings
H GROUNDING ASSEMBLY UNITS
Index H
Construction Specifications for Grounding
Grounding Construction Drawings
4 | P a g e
BULLETIN 1728F-803: INDEX (Continued)
J SECONDARY ASSEMBLY UNITS
Index J
Construction Specifications for Secondary and Service Drops
Secondary Construction Drawings
K SERVICE ASSEMBLY UNITS
Index K
Service Construction Drawings
L TYING GUIDES
Index L
Tying Guide Drawings
M MISCELLANEOUS ASSEMBLY UNITS AND GUIDES
Index M
Right-of-Way Clearing Specifications
Miscellaneous Construction Drawings and Guides
N NEUTRAL ASSEMBLY UNITS
Index N
Tables VI, VII: Maximum Line Angles
Neutral Construction Drawings and Guides
P PROTECTION ASSEMBLY UNITS
Index P
Protection Construction Drawings
Q METERING ASSEMBLY UNITS
Index Q
Metering Construction Drawings
R OIL CIRCUIT RECLOSER ASSEMBLY UNITS
Index R
Oil Circuit Recloser Construction Drawings
S SECTIONALIZING ASSEMBLY UNITS
Index S
Sectionalizing Construction Drawings
5 | P a g e
BULLETIN 1728F-803: INDEX (Continued)
W WOOD POLES, CROSSARMS AND BRACES
Index W
Construction specifications for Poles and Crossarms
Table W: Pole Setting Depths
Pole and Crossarm Guides and Assembly Drawings
Y VOLTAGE ALTERATION EQUIPMENT ASSEMBLY UNITS
Index Y
Voltage Alteration Equipment Construction Drawings
APPENDICES
1 TABLE OF SELECTED SI TO METRIC CONVERSIONS
2 DERIVATION OF MAXIMUM PERMISSIBLE ANGLES
6 | P a g e
GENERAL CONSTRUCTION SPECIFICATIONS
All construction work shall be done in a safe, thorough, and workmanlike manner in accordance with the staking sheets, plans and specifications, and the construction drawings.
The provisions of 7 CFR section 1724.50 “Compliance with National Electrical Safety Code (NESC)” applies to all borrower electric system facilities regardless of the source of financing.
A borrower must ensure that its electric system, including all electric all electric distribution, transmission and generating facilities, is designed, constructed, operated and maintained in accordance with all applicable provisions of the most current and accepted criteria of the
National Electric Safety Code (NESC) and all applicable and current electrical and safety requirements of any State or local governmental entity. This requirement applies to the borrower’s electrical system regardless of the source of financing. Copies of the NESC may be obtained from the Institute of Electrical and Electronic Engineers, Inc. at the following address:
IEEE Customer Service
445 Hoes Lane, PO Box 1331
Piscataway, NJ 088555-1331
Any electrical standard requirement established by RUS are in addition to, and not in substitution for or a modification of, the most current and accepted criteria of the NESC and any applicable electrical or safety requirement of any State or local governmental entity.
Overhead distribution circuits shall be constructed with not less than Grade C strength requirements as described in section 26, Strength Requirements, of the NESC when subjected to the loads specified in NESC Section 25, Loadings for Grade B and C. Overhead transmission circuits shall be constructed with not less than Grade B strength requirements as described in NESC
Section 26.
The drawings of equipment and materials used in the construction assemblies are meant depict the general categories of items found in RUS Informational Publication 202-1, “list of Materials
Accepted for Use on Systems of RUS Electrification Borrowers,” material that resembles a specific product or a manufacturer is unintentional.
Materials to be used for construction are designated by one of more small alphabetical characters shown on the drawings and in the “ITEM” column in the material blocks. The borrower may use any material contained in the “list of Materials” from the category of materials as designated by the corresponding small letter(s). For example, “b” designates a steel, pole top pin.
7 | P a g e
The borrower may use, at its discretion, any of the applicable pole top pins from category “b” of the “List of Materials.”
Similarly, the drawings of the bulletin show the use of three 4 ¼ -inch, ANSI Class 52-9A suspension insulators for 24.9 / 14.4 kV primary deadends. The borrower may use three 6-inch, ANSI Class 52-1 or two, 9-inch, ANSI Class 52-4 suspension insulators or one polymer distribution insulator, all of which are contained in category “k” in the List of Materials.” In the latter cases, the quantity (“QTY”) of the insulators to be used must be modified accordingly.
The Federal Aviation Administration (FAA) required (14 CFR part 77) that in cases where structures or conductors will exceed a height of 200 feet, or are within 20,000 feet of an airport the nearest regional or area office of the FAA be contacted and FAA Form 7460-1 be filled if necessary.
8 | P a g e
CONDUCTOR INSTALLATION SPECIFICATIONS
Conductors must be handled with care. Conductors shall neither be trampled on nor run over by vehicles. Each reel shall be examined and the wire inspected for cuts, kinks, or other injuries.
Injured portions shall be cut out and the conductor spliced. The conductors shall be pulled over suitable rollers or stringing blocks properly mounted on the pole or crossarm if necessary to prevent binding while stringing.
Conductors shall be sagged in accordance with conductors with the conductor manufacture’s recommendations. All conductors shall be sagged evenly. The air temperature at the time and place of sagging shall be determined by a certified thermometer.
The sag of all conductors after stringing shall be in accordance with the engineer’s instructions.
Conductors shall be spliced and dead-ended as shown on the construction drawings. There shall be not more than one splice per conductor in any span and splices shall be located at least 10 feet from the conductor support. No splices shall be located in Grade B crossing spans and preferably not in adjacent spans. Splices shall be installed in accordance with manufacturer’s specifications and recommendations.
All conductors shall be cleaned thoroughly by wirebrushing before splicing or installing connectors or clamps. A suitable inhibitor shall be used before splicing or applying connectors over aluminum conductor.
Connectors and hot-line clamps suitable for the purpose shall be installed as shown on the drawings and also in accordance with the manufacturer’s specifications and recommendations.
On all hot-line clamp installations, the clamp and jumper shall be installed so that they are permanently bonded to the load side of the line, allowing the jumper to be de-energized when the clamp is disconnected.
The use of stirrups to connect tap conductors (jumper wires) to primary conductors may be used if the following criteria are met:
• The stirrup and hot line clamp shall be sized to meet or exceed the current carrying capacity of the tap conductor or equipment jumper;
• All stirrup conductors shall be made of copper or bronze;
• All stirrup conductors shall be made of #2 copper equivalent or larger;
• All-purpose or aluminum hot line clamps shall not be used with stirrups;
• All stirrups, connectors, and clamps shall be installed in accordance with the manufacturer’s specifications;
9 | P a g e
• Stirrups with two compression connectors are not to be used in areas of vibrating conductors;
• Stirrups are not to be used to connect main lines or heavily loaded tap lines.
Stirrups are not recommended to be used to connect reclosers, autotransformers, or line regulators. Stirrups and hot line clamps should not be used for sectionalizing tap and especially main lines for operational or maintenance purposes. Permanent compression or bolted type connectors should be used because of their better current carrying capabilities and reliability.
Line switches, fused cutouts, or solid blade cutouts should be used at line locations where occasional line sectionalizing may be required.
At locations where permanent connections using compression or bolted types connectors are not desired, and where the installation or sectionalizing equipment is also not desired, then the standards specify the installation of hot line clamps (over armor rod on aluminum conductors).
10 | P a g e
CONSTRUCTION SPECIFICATIONS FOR POLE TOP ASSEMBLIES
Line designs which use high poles to clear obstacles such as railroads must avoid upstrain on pin-type or post type insulators on adjacent shorter poles.
The neutral conductor should be installed on the same side (preferably the road side) of all of the tangent and small angle poles throughout the length of line.
Prior RUS approval is given if it is under the circumstances necessary to lower the neutral attachment on standard construction pole top assemblies an additional distance not exceeding
2 feet for the purpose of economically meeting conductor clearance requirements of the NESC.
Prior RUS approval is given if it is under the circumstances necessary to lower the neutral attachment on standard construction pole top assemblies an additional distance of up to 6 feet for the purpose of performing construction and future line maintenance on these assemblies from bucket trucks designed for such work.
With pin-type or post-type insulators, the conductor must be tied to the top groove of the insulator on tangent poles and on the side of the insulator away from the strain at angles. Pin-type and post-type insulators must be tight on the pins and brackets, respectively, and the top groove must be in line with the conductor after tying.
Factor-formed ties must be installed in accordance with the manufacturer’s specifications and recommendations.
A 3 inch by 3 inch (minimum), square curved washer, item “d”, shall be used abutting the pole when installing primary or neutral conductor deadend assemblies directly to the pole to mitigate the crushing of wood fibers and to facilitate the allowable longitudinal loading as given in the design parameters on the construction drawings.
A locknut must be installed with each nut and eyenut, on all machine, upset, and double arming bolts, and all other threaded hardware such as insulator pins and studs.
The calculated “maximum line angles” values in the tables are based on the “designated maximum transverse loading on insulator pins as specified by RUS, and the application of the appropriate overload factors from the 1997 edition of the NESC.
“Allowable longitudinal (or transverse) loading” values in the design parameters were derived from known or designated maximum strengths of materials to which the appropriate NESC safety factors have already been applied.
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TABLE I
MAXIMUM LINE ANGLES ON PIN INSULATOR ASSEMBLIES
Designated Maximum Transverse Load = 500 lbs. / Conductor
WIND SPAN (feet)
CONDUCTOR SIZE 150 200 250 300 350 400
LIGHT LOADING DISTRICT
4 ACSR (7/1) 13 13 12 12 11 11
2 ACSR (6/1) 11 10 10 9 8 8
2 ACSR (7/1) 8 8 7 7 6 6
1/0 ACSR (6/1) 7 6 6 5 5 4
123.3 AAAC (7) 7 6 6 5 5 4
2/0 ACSR (6/1) 6 6 5 5 4 4
3/0 ACSR (6/1) 5 5 4 4 3 3
4/0 ACSR (6/1) 5 4 4 3 3 2
246.9 AAAC (7) 5 4 4 3 3 2
336.4 ACSR (18/1) 4 4 3 2 2 1
336.4 ACSR (26/7) 3 2 2 2 1 1
MEDIUM LOADING DISTRICT
4 ACSR (7/1) 13 12 11 11 10 9
2 ACSR (6/1) 11 10 9 8 8 7
2 ACSR (7/1) 8 8 7 7 6 6
1/0 ACSR (6/1) 7 6 6 5 5 4
123.3 AAAC (7) 7 6 6 5 5 4
2/0 ACSR (6/1) 7 6 6 5 5 4
3/0 ACSR (6/1) 5 5 4 4 3 3
4/0 ACSR (6/1) 5 5 4 4 3 3
246.9 AAAC (7) 5 5 4 4 3 3
336.4 ACSR (18/1) 5 4 4 3 3 2
336.4 ACSR (26/7) 3 3 3 2 2 2
HEAVY LOADING DISTRICT
4 ACSR (7/1) 11 10 9 8 6 5
2 ACSR (6/1) 9 8 7 6 5 4
2 ACSR (7/1) 7 6 6 5 4 3
1/0 ACSR (6/1) 6 5 4 4 3 2
123.3 AAAC (7) 6 5 4 4 3 2
2/0 ACSR (6/1) 6 5 4 3 3 2
3/0 ACSR (6/1) 5 4 3 3 2 1
4/0 ACSR (6/1) 4 4 3 2 2 1
246.9 AAAC (7) 4 3 3 2 1 1
336.4 ACSR (18/1) 4 3 3 2 1 1
336.4 ACSR (26/7) 3 2 2 1 1 0
12 | P a g e
TABLE II
Designated Maximum Transverse Load = 750 lbs. / Conductor
WIND SPAN (feet)
CONDUCTOR SIZE 150 200 250 300 350 400
LIGHT LOADING DISTRICT
4 ACSR (7/1) 21 21 20 19 19 18
2 ACSR (6/1) 17 17 16 15 15 14
2 ACSR (7/1) 13 13 12 12 11 11
1/0 ACSR (6/1) 11 10 10 9 9 8
123.3 AAAC (7) 11 10 10 9 9 8
2/0 ACSR (6/1) 11 10 9 9 8 8
3/0 ACSR (6/1) 8 8 7 7 6 6
4/0 ACSR (6/1) 8 8 7 6 6 5
246.9 AAAC (7) 8 7 7 6 6 5
336.4 ACSR (18/1) 7 7 6 5 5 4
336.4 ACSR (26/7) 5 5 4 4 3 3
4 ACSR (7/1) 21 20 19 18 18 17
2 ACSR (6/1) 17 16 16 15 14 13
2 ACSR (7/1) 13 13 12 12 11 10
1/0 ACSR (6/1) 11 10 10 9 9 8
123.3 AAAC (7) 11 10 10 9 9 8
2/0 ACSR (6/1) 11 10 10 9 9 8
3/0 ACSR (6/1) 8 8 8 7 7 6
4/0 ACSR (6/1) 8 8 7 7 6 6
246.9 AAAC (7) 8 8 7 7 6 6
336.4 ACSR (18/1) 8 7 7 6 6 5
336.4 ACSR (26/7) 5 5 5 4 4 4
4 ACSR (7/1) 19 18 17 15 14 13
2 ACSR (6/1) 16 15 13 12 11 10
2 ACSR (7/1) 12 11 10 10 9 8
1/0 ACSR (6/1) 10 9 8 8 7 6
123.3 AAAC (7) 10 9 8 8 7 6
2/0 ACSR (6/1) 10 9 8 7 7 6
3/0 ACSR (6/1) 8 7 7 6 5 5
4/0 ACSR (6/1) 8 7 6 6 5 4
246.9 AAAC (7) 7 7 6 6 5 4
336.4 ACSR (18/1) 7 7 6 5 4 4
336.4 ACSR (26/7) 5 5 4 4 3 3
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TABLE III
Designated Maximum Transverse Load = 1,000 lbs. / Conductor
WIND SPAN (feet)
CONDUCTOR SIZE 150 200 250 300 350 400
LIGHT LOADING DISTRICT
4 ACSR (7/1) 29 28 28 27 27 26
2 ACSR (6/1) 24 23 22 22 21 21
2 ACSR (7/1) 18 18 17 17 16 16
1/0 ACSR (6/1) 15 14 14 13 13 13
123.3 AAAC (7) 15 14 14 13 13 12
2/0 ACSR (6/1) 15 14 14 13 12 12
3/0 ACSR (6/1) 12 11 11 10 10 9
4/0 ACSR (6/1) 11 11 10 10 9 9
246.9 AAAC (7) 11 10 10 9 9 8
336.4 ACSR (18/1) 11 10 9 9 8 7
336.4 ACSR (26/7) 7 7 6 6 5 5
4 ACSR (7/1) 28 28 27 26 25 24
2 ACSR (6/1) 23 23 22 21 21 20
2 ACSR (7/1) 18 18 17 17 16 15
1/0 ACSR (6/1) 15 14 14 13 13 12
123.3 AAAC (7) 15 14 14 13 13 12
2/0 ACSR (6/1) 15 14 14 13 13 12
3/0 ACSR (6/1) 12 11 11 10 10 10
4/0 ACSR (6/1) 12 11 11 10 10 9
246.9 AAAC (7) 11 11 10 10 9 9
336.4 ACSR (18/1) 11 10 10 9 9 8
336.4 ACSR (26/7) 8 7 7 7 6 6
4 ACSR (7/1) 27 26 24 23 22 20
2 ACSR (6/1) 22 21 20 19 18 16
2 ACSR (7/1) 17 16 15 15 14 13
1/0 ACSR (6/1) 14 13 13 12 11 10
123.3 AAAC (7) 14 13 13 12 11 10
2/0 ACSR (6/1) 14 13 13 12 11 10
3/0 ACSR (6/1) 11 10 10 9 8 8
4/0 ACSR (6/1) 11 10 10 9 8 8
246.9 AAAC (7) 11 10 9 9 8 7
336.4 ACSR (18/1) 10 10 9 8 8 7
336.4 ACSR (26/7) 7 7 6 6 5 5
14 | P a g e
TABLE IV
Designated Maximum Transverse Load = 1,500 lbs. / Conductor
WIND SPAN (feet)
CONDUCTOR SIZE 150 200 250 300 350 400
LIGHT LOADING DISTRICT
4 ACSR (7/1) 45 44 44 43 42 42
2 ACSR (6/1) 37 36 35 35 34 33
2 ACSR (7/1) 28 28 27 27 26 26
1/0 ACSR (6/1) 23 23 22 22 21 21
123.3 AAAC (7) 23 22 22 21 21 20
2/0 ACSR (6/1) 23 22 22 21 21 20
3/0 ACSR (6/1) 18 18 17 17 16 16
4/0 ACSR (6/1) 18 17 17 16 16 15
246.9 AAAC (7) 17 17 16 16 15 15
336.4 ACSR (18/1) 17 16 15 15 14 14
336.4 ACSR (26/7) 12 11 11 10 10 9
4 ACSR (7/1) 44 44 43 42 41 40
2 ACSR (6/1) 36 36 35 34 33 33
2 ACSR (7/1) 28 28 27 27 26 25
1/0 ACSR (6/1) 23 23 22 22 21 21
123.3 AAAC (7) 23 22 22 21 21 20
2/0 ACSR (6/1) 23 22 22 21 21 20
3/0 ACSR (6/1) 18 18 17 17 17 16
4/0 ACSR (6/1) 18 18 17 17 16 16
246.9 AAAC (7) 18 17 17 16 16 15
336.4 ACSR (18/1) 17 17 16 16 15 15
336.4 ACSR (26/7) 12 12 11 11 11 10
4 ACSR (7/1) 43 41 40 39 37 36
2 ACSR (6/1) 35 34 33 32 30 29
2 ACSR (7/1) 27 26 25 25 24 23
1/0 ACSR (6/1) 22 22 21 20 19 19
123.3 AAAC (7) 22 21 21 20 19 18
2/0 ACSR (6/1) 22 21 21 20 19 18
3/0 ACSR (6/1) 18 17 16 16 15 14
4/0 ACSR (6/1) 17 17 16 15 15 14
246.9 AAAC (7) 17 16 16 15 14 14
336.4 ACSR (18/1) 17 16 15 14 14 13
336.4 ACSR (26/7) 12 11 11 10 10 9
15 | P a g e
TABLE V
Designated Maximum Transverse Load = 2,000 lbs. / Conductor
WIND SPAN (feet)
CONDUCTOR SIZE 150 200 250 300 350 400
LIGHT LOADING DISTRICT
4 ACSR (7/1) 60 60 60 60 59 59
2 ACSR (6/1) 50 50 49 48 48 47
2 ACSR (7/1) 39 38 38 37 37 36
1/0 ACSR (6/1) 32 31 31 30 30 29
123.3 AAAC (7) 31 31 30 30 29 29
2/0 ACSR (6/1) 31 31 30 30 29 28
3/0 ACSR (6/1) 25 24 24 23 23 22
4/0 ACSR (6/1) 24 24 23 23 22 22
246.9 AAAC (7) 24 23 23 22 22 21
336.4 ACSR (18/1) 23 22 22 21 20 20
336.4 ACSR (26/7) 16 16 15 15 14 14
4 ACSR (7/1) 60 60 60 59 58 57
2 ACSR (6/1) 50 49 48 48 47 46
2 ACSR (7/1) 39 38 37 37 36 36
1/0 ACSR (6/1) 32 31 31 30 30 29
123.3 AAAC (7) 31 31 30 30 29 29
2/0 ACSR (6/1) 31 31 30 30 29 29
3/0 ACSR (6/1) 25 24 24 24 23 23
4/0 ACSR (6/1) 25 24 24 23 23 22
246.9 AAAC (7) 24 24 23 23 22 22
336.4 ACSR (18/1) 24 23 23 22 22 21
336.4 ACSR (26/7) 16 16 16 15 15 15
4 ACSR (7/1) 60 58 57 55 54 52
2 ACSR (6/1) 49 47 46 45 44 43
2 ACSR (7/1) 38 37 36 35 34 33
1/0 ACSR (6/1) 31 30 29 28 28 27
123.3 AAAC (7) 30 30 29 28 27 26
2/0 ACSR (6/1) 30 30 29 28 27 26
3/0 ACSR (6/1) 24 24 23 22 22 21
4/0 ACSR (6/1) 24 23 23 22 21 21
246.9 AAAC (7) 23 23 22 21 21 20
336.4 ACSR (18/1) 23 22 21 21 20 19
336.4 ACSR (26/7) 16 16 15 14 14 13
16 | P a g e
INDEX A
SINGLE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
DRAWING NUMBER DRAWING TITLE (DESCRIPTION)
VA1.0 SINGLE PHASE, SINGLE SUPPORT (POLE TOP ASSEMBLIES ONLY)
VA1.1P, VA1.2P SINGLE PHASE SINGLE SUPPORT TANGENT (POST INSULATOR)
VA1.3P 1-PH SINGLE SUPPORT SLIGHT ANGLE (POST INSULATOR)
VA1.11P 1-PH SINGLE SUPPORT TANGENT ON CROSSARM (POST INSULATOR)
VA1.12G SINGLE PHASE JUNTION POLE GUIDE
VA2.0 SINGLE PHASE DOUBLE SUPOPRT POLE TOP ONLY ASSEMBLIES
VA2.1P SINGLE PHASE DOUBLE SUPPORT (POST INSULATORS)
VA2.21P 1-PH DOUBLE SUPPORT ON CROSSARMS (POST INSULATORS)
VA3.1 1-PH SUSPENSION SUPPORT ANGLE (ALUMINUM CONDUCTORS)
VA3.2 SINGLE PHASE SUSPENSION SUPPORT ANGLE (COPPER CONDUCTORS)
VA4.1 SINGLE PHASE SUSPENSION SUPPORT DEADEND ANGLE (90° – 150°)
VA4.2 1-PH SUSPENSION WITH JUMPER SUPPORT DEADEND ANGLE (20° – 90°)
VA5.1 SINGLE PHASE SUSPENSION SUPPORT DEADEND (POLYMER INSULATOR)
VA5.3, VA5.4 SINGLE PHASE SUSPENSION SUPPORT MISCELLANEOUS DEADENDS
VA5.5G SINGLE PHASE TAP GUIDE
VA5.21, VA5.31 SINGLE PHASE SUSPENSION SUPPORT DEADEND ON CROSSARMS
VA5.71F SINGLE PHASE SINGLE DEADEND ON FIBERGLASS CROSSARM
VA6.1 1-PH SUSPENSION SUPPORT DOUBLE DEADEND (POLYMER INSULATOR)
VA6.2 1-PH DOUBLE DEADEND WITH JUMPER SUPPORT (FEED THROUGH)
VA6.21 SINGLE PHASE SUSPESION SUPPORT DOUBLE DEADEND ON CROSSARMS
VA6.41 SINGLE PHASE SUSPENSION SUPPORT DOUBLE DEADEND ON
FIBERGLASS CROSSARM (POLYMERS)
VA6.22G 1- PH DOUBLE DEADEND GUIDE (FEED THROUGH ON CROSSARMS)
VA1.01 VA1.01P VA1.011 VA1.011P
ITEM MATERIAL QTY QTY QTY QTY
a Insulator, pin type (7.2 kV) 1 1 b Pin, pole top, 20” 1 c Bolt, machine, 5/8” x required length 2 3 d Washer, square, 2 1/4" 2 4 1 1 f Pin, crossarm, steel 5/8” x 14” 1 ea Insulator, post type (24.9 / 14.4 kV) 1 1 eb Bracket, pole type 1 ek Locknuts 2 3 1 1 bb Stud, insulator, 1 3/4" 1 ff Stud, insulator, 7 1/2" 1
DESIGN PARAMETERS:
VA1.01: SEE TABLE I
VA1.01P: SEE TABLE II
VA1.011P: SEE TABLE II
SINGLE PHASE, SINGLE SUPPORT
(POLE TOP ASSEMBLIES ONLY)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA1.0
VA1.1P VA1.2P
ITEM MATERIAL QTY QTY
c Bolt, machine, 5/8” x required length 3 3 d Washer, square, 2 1/4" 5 4 j Screw, lag, 1/2" x 4” 2 bs Bolt, single, upset 1 bb Stud, insulator, 1 3/4" 1 1 cm Insulator, spool, 3” 1 1 ea Insulator, post type (24.9 / 14.4 kV) 1 1 eb Bracket, pole top 1 1 ec Bracket, offset neutral 1 ek Locknuts 4 4
MAXIMUM LINE ANGLES:
5° – Small Conductors 2° – Larger than #1/0
SINGLE PHASE SINGLE SUPPORT TANGENT
(POST INSULATOR)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA1.1P
VA1.2P TCEC
ITEM QTY MATERIAL
c 4 Bolt, machine, 5/8” x required length d 5 Washer, square, 2 1/4" da 1 Bracket, insulated ea 1 Insulator, post type (24.9 / 14.4 kV) eb 1 Bracket, pole top ek 4 Locknuts bb 1 Stud, insulator, 1 3/4" cm 1 Insulator, spool, 3”
See Table II
SINGLE PHASE SINGLE SUPPORT SLIGHT ANGLE
(POST INSULATOR)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA1.3P
c 2 Bolt, machine, 5/8” x required length d 6 Washer, square, 2 1/4" g 1 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” i 2 Bolt, carriage, 3/8” x 4 1/2" j 1 Screw, lag, 1 1/2" x 4” az 4 Letters, 2” C, 2” N, with 1” nails cu 2 Brace, crossarm, 28” ea 2 Insulator, post type (24.9 / 14.4 kV) ek 6 Locknuts ff 2 Stud, insulator, 7 1/2"
SINGLE PHASE SINGLE SUPPORT TANGENT ON
CROSSARM (POST INSULATOR)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA1.11P
1 VA1.1 Primary Assembly
1 VA1.11 Primary Assembly p Connectors, as required av Jumpers, as required
See: “VA1.1”
“VA1.11”
SINGLE PHASE JUNTION POLE GUIDE
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA1.12G
VA2.01 VA2.01P
a Insulator, pin type (7.2 kV) 2 b Pin, offset, pole top, 20” 2 c Bolt, machine, 5/8” x required length 3 3 d Washer, square 2 1/4" 2 2 ea Insulator, post type (24.9 / 14.4 kV) 2 eb Bracket, pole type 2 ek Locknuts 3 3 bb Stud, insulator, 1 3/4" 2
VA2.01: See Table III VA2.01P: See Table IV
SINGLE PHASE DOUBLE SUPPORT
(POLE TOP ONLY ASSEMBLIES)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA2.0
c 4 Bolt, machine, 5/8” x required length d 3 Washer, square, 2 1/4" da 1 Bracket, insulated ea 2 Insulator, post type (24.9 / 14.4 kV) eb 2 Bracket, pole top ek 4 Locknuts bb 2 Stud, insulator, 1 3/4"
See Table IV
SINGLE PHASE DOUBLE SUPPORT
(POST INSULATORS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA2.1P
c 1 Bolt, machine, 5/8” x required length d 16 Washer, square, 2 1/4" g 2 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” i 4 Bolt, carriage, 3/8” x 4 1/2" j 2 Screw, lag, 1/2" x 4” n 3 Bolt, double arming, 5/8” x required length az 4 Letter, 2” C, 2” N, with 1” nails cu 4 Brace, crossarm, 28” ea 4 Insulator, post type (24.9 / 14.4 kV) ek 19 Locknuts ff 4 Stud, insulator, 7 1/2"
SINGLE PHASE DOUBLE SUPPORT ON CROSSARMS
(POST INSULATORS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA2.21P
ITEM QTY MATERIAL NOTES:
1. When more than one guy is required, install guys 6” below assemblies and install 12” guy strain insulator (“w”) at top of primary guy.
2. Use assembly for aluminum conductors.
For smaller copper conductors use “VA3.2”.
d 2 Washer, square, 2 1/4" k 1 Insulator, polymer m 2 Angle clamp/shoe o 2 Bolt, eye, 5/8” x required length bo 1 Shackle, anchor bv Armor rod, as required dd 4 Washer, square, curved, 3” ek 3 Locknuts
ALLOWABLE TRANSVERSE
LOAD = 5,000 lbs. / CONDCTOR
20° - 60°: #1/0 ACSR & Larger 30° - 60°: Smaller conductors
SINGLE PHASE SUSPENSION SUPPORT ANGLE
(ALUMUNINUM CONDUCTORS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA3.1
1. When more than one guy is required, install guys 6” below assemblies and install 12” guy strain insulator (“w”) at top of primary guy.
2. Use assembly for copper conductors. For larger aluminum conductors use “VA3.1”.
c 2 Bolt, machine, 5/8” x as required length d 4 Washer, square, 2 1/4" k 1 Insulator, polymer o 1 Bolt, eye, 5/8” x required length m 1 Angle, clamp / shoe bv Armor rods, as required bo 1 Shackle, anchor cm 1 Insulator, spool, 3” da 1 Bracket, insulated dd 3 Washer, square, curved, 3”
See Table VI and VII
SINGLE PHASE SUSPENSION SUPPORT ANGLE
(COPPER CONDUCTORS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA3.2
1. Separate 6” (top position only) when angle equals 90°.
2. When additional guys are required, install guys 6” below deadend assemblies and use two VA5.4’s or install 12” guy strain insulators (“w”) at top of uppermost guys.
k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary o 4 Bolt, eye, 5/8” x required length p Connectors, as required av Jumpers, as required ek 4 Locknuts cp 2 Deadend, clamp/shoe neutral dd 8 Washer, square, curved, 3”
ALLOWABLE LONGITUDINAL
LOAD = 5,000 lbs. / CONDUCTOR
SINGLE PHASE SUSPENSION SUPPORT DEADEND
ANGLE (90° – 150°)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA4.1
1. Use 3” curved washers, “dd”, on eyebolts, “o” when off gain of pole.
2. Use fiberglass phase rod when necessary for clearance.
c 2 Bolt, machine, 5/8” x required length d 2 Washer, square, 2 1/4" dd 8 Washer, square, curved 3” k 2 Insulator, polymer l 2 Deadend, clamp / shoe, primary o 4 Bolt eye, 5/8” x required length p Connectors, as required av Jumpers, as required bb 1 Stud, insulator, 1 3/4" cp 2 Deadend, clamp/shoe, neutral ea 1 Insulator, post type (24.9 / 14.4 kV) eb 1 Bracket, pole top ek 6 Locknuts eu 1 Link, insulated, 12” minimum
SINGLE PHASE SUSPENSION WITH JUMPER
SUPPORT DEADEND ANGLE (20° – 90°)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA4.2
1. VA5.3 or VA5.4 may be used instead of assembly shown.
2. When more than one guy is required, install top guy 6” below primary assembly and use VA5.4, or install 12” guy strain insulator (“w”) at top of guy.
c 1 Bolt, machine, 5/8” x required length d 2 Washer, square, 2 1/4" k 1 Insulator, polymer l 1 Deadend clamp/shoe, primary o 2 Bolt, eye, 5/8” x required length cp 1 Deadend, clamp/shoe, neutral
(POLYMER INSULATOR)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA5.1
NOTES:
1. See assembly drawing VA5.1
2. See Tying Guide Drawing VL1.2G
3. When connection to existing bolt end, use eyenut “aa” and locknut “ek” instead of eyebolt assembly “o -d-ek”.
4. If above assemblies used for primary angle assembly:
(a) Rotate eyenut 90° & install anchor shackle “bo” in VA5.3
(b) See drawing VA3.1 and Tying Guide Drawing VL1.1G
5. Distribute extension link, (item “du”), may be substituted for anchor shackle (item “bo”), eye bolt (item “o”) and eye nut (item “aa”) on Assembly VA5.2
VA5.3 VA5.4
ITEM MATERIAL QTY QTY
d Washer, square, curved, 3” 2 4 k Insulator, polymer 1 1 l Deadend clamp/shoe, primary 1 1 o Bolt, eye, 5/8” x required length 2 aa Nut, eye, 5/8” 2 bo Shackle, anchor 1 cp Deadend, clamp/shoe, neutral 1 1 ek Locknuts 2 2 eu Link, extension, insulated, 12” minimum 1
SINGLE PHASE SUSPENSION SUPPORT
MISCELLANEOUS DEADENDS
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA5.3
VA5.4 TCEC
Tap assembly may be installed 6” from top of pole when perpendicular to line. Raise neutral and guy attachment 9” also.
1 VA1.1P Primary Assembly
1 VA5.4 Primary Assembly
SINGLE PHASE TAP GUIDE
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA5.5G
VA5.21 VA5.31 NOTES:
1. Designate as VA5.31 for assembly with three crossarms.
2. Neither assembly suitable for Grade B construction.
3. Double arming eye bolt, item “dy”, may be used instead of double arming bolt, item “n”, and eyenut, item “aa”.
4. Install 60” crossarm braces, 1/2" machine bolts and round washers for VA5.31 assembly.
ITEM MATERIAL QTY QTY
c Bolt, machine. 5/8” x required length 1 2 d Washer, square, 2 1/4" 12 14 d Washer, round, 1 3/8” diameter 4 g Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” 2 3 i Bolt, carriage, 3/8” x 4 1/2" 4 i Bolt, machine, 1/2" x 6” 4 j Screw, lag, 1/2" x 4 2 k Insulator, polymer 1 1 n Bolt, double arming, 5/8” x required length 3 3 aa Nut, eye, 5/8” 2 2 cu Brace, crossarm, 28” 4 cu Brace, crossarm, 60” 4 ek Locknuts 17 18 l Deadend, clamp/shoe, primary 1 1 cp Deadend, clamp/shoe, neutral 1 1
DESIGN PARAMETERS:
LOAD = (lbs. / CONDUCTOR)
VA5.21: 2,000 (#2 ACSR MAX)
VA5.31: 3,000 (#2/0 ACSR MAX)
ON CROSSARMS
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA5.21
VA5.31 TCEC
1. Not suitable for Grade construction.
2. Do NOT use hole in crossarm for down guy attachment.
k 1 Insulator, polymer l 1 Deadend, clamp/shoe, primary cc 2 Bolt, machine, 3/4' x required length cp 1 Deadend, clamp/shoe, secondary dd 2 Washer, curved, 3” gg 1 Crossarm, fiberglass, deadend, 10’ – 0”
SINGLE PHASE SINGLE DEADEND ON FIBERGLASS
CROSSARM
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA5.71F
Maximum line angle may be increased to 15° by installing anchor shackles, item “bo”, to (horizontal) eyenuts and installing side guy as required.
c 1 Bolt, machine, 5/8 x required length k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary o 2 Bolt, eye, 5/8” x required length p Connectors, as required aa 2 Nut, eye, 5/8” av Jumpers, as required bo 2 Anchor shackle cp 2 Deadend, clamp/shoe, neutral dd 4 Washer, square, curved, 3” ek 5 Lockunts
MAXIMUM ALLOWABLE LONGITUDINAL
MAXIMUM LINE ANGLE = 5° (SEE NOTE)
SINGLE PHASE SUSPENSION SUPPORT DOUBLE
DEADEND (POLYMER INSULATORS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA6.1
ITEM QTY MATERIAL NOTE:
Maximum line angle may be increased to 15° by installing anchor shackles, item “bo”, to (horizontal) eyenuts and installing side guy as required.
k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary o 2 Bolt, eye, 5/8” x required length p Connectors, as required aa 2 Nut, eye, 5/8” av Jumpers, as required bb 1 Stud, insulator, 1 3/4" cp 2 Deadend, clamp/shoe, neutral ea 1 Insulator, post type (24.9 / 14.4 kV) eb 1 Bracket, pole type ek 6 Locknut
SINGLE PHASE DOUBLE DEADEND
WITH JUMPER SUPPORT (FEED THROUGH)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA6.2
1. Not suitable for Grade B construction.
2. See drawing “N6.21” for additional details
3. Maximum line angle may be increased to 15° by installing anchor shackles, item “bo”, to (horizontal) eyenuts and installing side guy as required.
c 1 Bolt, machine, 5/8 x required length d 12 Washer, square, 2 1/4" g 2 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” i 4 Bolt, carriage, 3/8” x 4 1/2" j 2 Lag, screw, 1/2" x 4” k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary n 3 Bolt, double arming, 5/8” x required length p Connectors, as required aa 4 Nut, eye, 5/8” av Jumpers, as required cp 2 Deadend, clamp/shoe, neutral cu 4 Brace, crossarm 28” ek 19 Locknuts
SINGLE PHASE SUSPESION SUPPORT
DOUBLE DEADEND ON CROSSARMS
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA6.21
2. Do NOT use hole in crossarm for down guy attachment.
k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary cc 2 Bolt, machine, 3/4' x required length cp 2 Deadend, clamp/shoe, neutral dd 2 Washer, curved, 3”
SINGLE PHASE SUSPENSION SUPPORT DOUBLE
DEADEND ON FIBERGLASS CROSSARM
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA6.41
Not suitable for Grade B Construction 1 VA6.21 Primary Assembly
1 VA2.021 Primary Assembly
1 N2.21 Neutral Assembly
ALLOWABLE UNBALNCED LONGITUDINAL
TENSION: 2,000 lbs. / CONDUCTOR
MAXIMUM LINE ANGLE = 5° (See Dwg.
VA6.21)
SINGLE PHASE DOUBLE DEADEND GUIDE
(FEED THROUGH ON CROSSARMS)
JAN 2011
1 – PHASE PRIMARY
24.9 / 14.4 kV
VA6.22G
39 | P a g e
INDEX B
TWO-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
DRAWING NUMBER DRAWING TITLE (DESCRIPTION)
VB1.11P, VB1.12P TWO PHASE SINGLE SUPPORT TANGENT ON CROSSARM (POST
INSULATORS)
VB1.11PL TWO-PHASE SINGLE SUPPORT TANGENT ON CROSSARM (POST
INSULATORS, LARGE CONDUCTOR)
VB1.11F TWO-PHASE SINGLE SUPPORT TANGENT ON FIBERGLASS CROSSARM
(LARGE CONDUCTOR)
VB1.1NP TWO-PHASE SINGLE SUPPORT NARROW PROFILE (CHICKEN WING, POLE
TOP PIN)
VB1.7NP TWO-PHASE SINGLE SUPPORT NARROW PROFILE VERTICAL
CONSTRUCTION (CHICKEN WINGS)
VB2.21P TWO PHASE DOUBLE SUPPORT ON CROSSARMS (POST INSULATORS)
VB2.21PL TWO-PHASE DOUBLE SUPPORT ON CROSSARMS (POST INSULATORS,
LARGE CONDUCTOR)
VB2.21F TWO-PHASE DOUBLE SUPPORT TANGENT ON FIBERGLASS CROSSARMS
(LARGE CONDUCTOR)
VB2.1NP TWO-PHASE DOUBLE SUPPORT NARROW PROFILE (CHICKEN WING,
POLE TOP PIN)
VB2.9NP TWO-PHASE SINGLE SUPPORT NARROW PROFILE VERTICAL ANGLE
(CHICKEN WINGS, CLAMP INSULATORS)
VB3.1 TWO PHASE SUSPENSION SUPPORT ANGLE (POLYMER INSULATOR)
VB4.1 TWO PHASE SUSPENSION SUPPORT DEADEND ANGLE POLYMER
INSULATORS (90° – 150°)
VB5.1 TWO PHASE SUSPENSION SUPPORT DEADEND (POLYMER INSULATORS)
VB5.21, VB5.31 TWO PHASE SUSPENSION SUPPORT DEADEND ON CROSSARMS
(POLYMER INSULATORS)
VB5.71F TWO PHASE SUSPENSION SUPPORT SINGLE DEADEND ON FIBERGLASS
CROSSARM
VB6.21 TWO PHASE SUSPENSION SUPPORT DOUBLE DEADEND ON CROSSARMS
(POLYMERS)
VB6.41 TWO PHASE SUSPENTION SUPPORT DOUBLE DEADEND ON FIBERGLASS
CROSSARM (POLYMERS)
VB1.11P VB1.12P
c Bolt, machine, 5/8” x required length 2 2 d Washer, square, 2 1/4" 5 5 g Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” 1 1 i Bolt, carriage, 3/8” x 4 1/2" 2 2 j Screw, lag, 1/2" x 4” 1 2 bs Bolt, single, upset 1 1 cm Insulator, spool, 3” 1 1 cu Brace, crossarm, 28” 2 2 ea Insulator, post type, (24.9 / 14.4 kV) 2 2 ec Bracket, offset, neutral 1 ek Locknuts 7 7 ff Stud, insulator, 7 1/2" 2 2
2° – Larger than #1/0
TWO PHASE SINGLE SUPPORT TANGENT ON
CROSSARM (POST INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB1.11P
VB1.12P TCEC
c 2 Bolt, machine, 1/2" x req’d length c 4 Bolt, machine, 5/8” x req’d length d 2 Washer, 1 3/8” diameter d 7 Washer, square, 2 1/4" d 4 Washer, saddle g 1 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” bs 1 Bolt, single, upset cm 1 Insulator, spool, 3” cu 2 Brace, crossarm, 60” dd 1 Washer, curved, 3” ea 2 Insulator, post type, 24.9 / 14.4 kV ek 7 Locknuts
MAXIMUM LINE ANGLES
5 °– Small Conductors 2° – Larger than #1/0
TWO PHASE SINGLE SUPPORT ON CROSSARM
(POST INSULATORS, LARGE CONDUCTOR)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VP1.11PL
c 2 Bolt, machine, 3/4" x required length d 2 Washer, square, 2 1/4" d 4 Washer, saddle bs 1 Bolt, single, upset cm 1 Insulator, spool, secondary dd 3 Washer, curved, 3” ea 2 Insulator, post type, 24.9 / 14.4 kV ek 4 Locknut gg 1 Crossarm, tangent, fiberglass, 8’
2° – Larger than # 1/0
TWO PHASE SINGLE SUPPORT TANGENT ON
FIBERGLASS CROSSARM (LARGE CONDUCTOR)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB1.11F
c 5 Bolt, machine, 5/8” x required length d 4 Washer, square, 2 1/4" bs 1 Bolt, single, upset bb 2 Stud, insulator, 1 3/4" cm 1 Insulator, spool, 3” dd 3 Washer, square, curved, 3” ea 2 Insulator, post type (24.9 / 14.4 kV) eb 1 Bracket, pole top ek 3 Locknuts eq 1 Narrow profile standoff bracket (Chicken Wing)
TWO PHASE SINGLE SUPPORT NARROW PROFILE
(CHICKEN WING, POLE TOP PIN)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB1.1NP
bs 1 Bolt, single, upset bb 2 Stud, insulator, 1 3/4" cm 1 Insulator, spool, 3” dd 5 Washer, square, curved, 3” ea 2 Insulator, post type (24.9 / 14.4 kV) eq 2 Narrow profile standoff bracket (Chicken Wing)
TWO PHASE SINGLE SUPPORT NARROW PROFILE
VERTICAL CONSTRUCTION (CHICKEN WINGS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB1.7NP
d 13 Washer, square, 2 1/4" g 2 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” i 4 Bolt, carriage, 3/8” x 4 1/2" j 2 Screw, lag, 1/2" x 4” n 3 Bolt, double arming, 5/8” x required length cm 1 Insulator, spool, 3” cu 4 Brace, crossarm, 28” da 1 Bracket, insulated ea 4 Insulator, post type (24.9 / 14.4 kV) ek 16 Locknuts
TWO PHASE DOUBLE SUPPORT ON CROSSARMS
(POST INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB2.21P
c 4 Bolt, machine, 1/2" x required length c 3 Bolt, machine, 5/8” x required length d 4 Washer, round, 1 3/8” d 13 Washer, square, 2 1/4" d 8 Washer, saddle g 2 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” n 3 Bolt, double arming, 5/8” x required length cu 4 Brace, crossarm, 60” cm 1 Insulator, spool, 3” da 1 Bracket, insulated dd 1 Washer, curved, 3” ea 4 Insulator, post type, 24.9 / 14.4 kV ek 17 Locknuts
TWO PHASE DOUBLE SUPPORT ON CROSSARMS
(LARGE CONDUCTOR, POST INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB2.21PL
d 6 Washer, square, 2 1/4" d 8 Washer, square, 3” d 8 Washer, saddle n 2 Bolt, double arming, 5/8” x required length cc 3 Bolt, machine, 3/4” x required length cm 1 Insulator, spool, 3” da 1 Bracket, insulated dd 1 Washer, curved, 3” ea 4 Insulator, post type, 24.9 / 14.4 kV ek 12 Locknut gg 2 Crossarm, fiberglass, tangent, 8’
TWO PHASE DOUBLE SUPPORT TANGENT ON
FIBERGLASS CROSSARM (LARGE CONDUCTOR)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB2.21F
c 6 Bolt, machine, 5/8” x required length d 4 Washer, square, 2 1/4" bb 3 Stud, insulator, 1 3/4" cm 1 Insulator, spool, 3” da 1 Bracket, insulated dd 3 Washer, square, curved, 3” ea 1 Insulator, “clamp” post type (24.9 / 14.4 kV) eb 2 Bracket, pole top ek 6 Locknuts ea 2 Insulator, post type (24.9 / 14.4 kV) eq 1 Narrow profile standoff bracket (Chicken Wing)
TWO PHASE DOUBLE SUPPORT NARROW PROFILE
(CHICKEN WING, POLE TOP PIN)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB2.1NP
1. Clamp type post insulators to be used on vertical narrow profile construction with an angle.
d 4 Washer, square, 2 1/4" bb 2 Stud, insulator, 1 3/4" cm 1 Insulator, spool, 3” da 1 Bracket, insulated dd 5 Washer, square, curved, 3” ea 2 Insulator, “clamp” post type (24.9 / 14.4 kV) ek 8 Locknuts
TWO PHASE SINGLE SUPPORT NARROW PROFILE VERTICAL
ANGLE (CHICKEN WINGS, CLAMP INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB2.9NP
1. Assembly unit VA5.4 may be substituted at the lower phase position if additional climbing space is desired.
2. When more guys are required, install guys
6” below assemblies and install 12” guy strain insulators (“w”) at top of primary guys.
k 2 Insulator, polymer o 3 Bolt, eye, 5/8” x required length m 3 Clamp/shoe, angle bo 3 Shackle, anchor bv Armor rod, as required dd 5 Washer, square, curved, 3” ek 4 Locknuts eu 1 Link, extension, insulated, 12” minimum
ALLOWABLE TRANVERSE
20° – 60°: #1/0 ACSR & Larger 30° – 60°: Smaller Conductors
TWO PHASE SUSPENSION SUPPORT ANGLE
(POLYMER INSULATOR)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB3.1
1. Separate 6” (top position only) when angle equals 90°
2. VA5.3’s or VA5.4’s may be used instead of assembly shown
3. Distribution extension link, (item “du”), may be substituted for anchor shackle (item ”bo”), eye bolt (item “o”) and eye nut (item “aa”).
k 4 Insulator, polymer l 4 Deadend clamp/shoe, primary o 6 Bolt, eye, 5/8” x required length p Connectors, as required av Jumpers, as required bo 6 Shackle, anchor cp 2 Deadend clamp/shoe, neutral dd 12 Washer, square, curved, 3” du 1 Insulator, extension link, 12” minimum
TWO PHASE SUSPENSION SUPPORT DEADEND
ANGLE POLYMER INSULATORS (90° – 150°)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB4.1
k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary o 3 Bolt, eye, 5/8” x required length cp 1 Deadend, clamp/shoe, neutral dd 6 Washer, square, curved, 3” du 1 Link, extension, insulated, 12” minimum
TWO PHASE SUSPENSION SUPPORT DEADEND
(POLYMER INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB5.1
VB5.21 VB5.31 NOTES:
1. Designate VB5.31 for assembly with three crossarms.
2. Neither assembly suitable for
Grade B construction.
3. Double arming eye bolt, item “dy”, may be used instead of double arming bolt item”n”, and eyenut, item “aa”.
4. Install 60” crossarm braces, 1/2" machine bolts and round washers for VA5.31 assembly.
ITEM MATERIAL QTY QTY
c Bolt, machine, 5/8” x required length 1 2 d Washer, square, 2 1/4" 12 12 d Washer, round, 1 3/8” diameter 4 g Crossarm, 3 5/8” x 4 5/8” x 8’-0” 2 3 i Bolt, carriage, 3/8” x 4 1/2" 4 i Bolt, machine, 1/2" x 6” 4 j Screw, lag, 1/2" x 4” 2 k Insulator, polymer 2 2 l Deadend, clamp/shoe, primary 2 2 n Bolt, double arming, 5/8” x required length 3 3 aa Nut, eye, 5/8” 3 3 cu Brace, crossarm, 28” 4 cu Brace, crossarm, 60” 4 cp Deadend, clamp/shoe, neutral 1 1 ek Locknuts 18 19
TWO PHASE SUSPENSION SUPPORT DEADEND ON
CROSSARMS (POLYMER INSULATORS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB5.21
VB5.31 TCEC
2. Do NOT use hole in crossarm bracket for down guy attachment.
c 1 Bolt, machine, 5/8” x required length c 2 Bolt, machine, 3/4” x required length d 2 Washer, square, 2 1/4" k 2 Insulator, polymer l 2 Deadend, clamp/shoe, primary o 1 Bolt, eye, 5/8” x required length cp 1 Deadend, clamp/shoe, neutral dd 4 Washer, curved, 3” gg 1 Crossarm, fiberglass, deadend, 10’
TWO PHASE SUSPENSION SUPPORT SINGLE
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB5.71F
1. Not suitable for Grade B construction
2. Double arming bolt, item “n”, and eyenut, item “aa”, may be replaced with double arming eye bolt, item “dy”.
3. Maximum line angle may be increased by installing anchor shackles, item “bo”, to (horizontal) eyenuts, and installing side guy as required.
c 1 Bolt, machine, 5/8” x required length d 12 Washer, square, 2 1/4" g 2 Crossarm, 3 5/8” x 4 5/8” x 8’ – 0” i 4 Bolt, carriage, 3/8” x 4 1/2" j 2 Screw, lag, 1/2" x 4” k 4 Insulator, polymer l 4 Deadend, clamp/shoe primary n 3 Bolt, double arming, 5/8” x required length o 1 Bolt, eye. 5/8” x required length aa 5 Nut, eye, 5/8” bo 4 Shackle, anchor cu 4 Brace, crossarm, 28” cp 2 Deadend, clamp/shoe, neutral dd 2 Washer, curved, 3” ek 21 Locknuts
MAXIMUM LINE ANGLE = 5° (See Note 3)
TWO PHASE SUSPENSION SUPPORT DOUBLE
DEADEND ON CROSSARMS (POLYMERS)
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB6.21
2. Do NOT use hole in crossarm for down guy attachment.
c 1 Bolt, machine, 5/8” x required length d 2 Washer, square, 2 1/4" k 4 Insulator, polymer l 4 Deadend, clamp/shoe, primary o 1 Bolt, eye, 5/8” x required length aa 1 Nut, eye, 5/8” cc 2 Bolt, machine, 3/4' x required length cp 2 Deadend, clamp/shoe, neutral dd 4 Washer, curved, 3” ek 5 Locknuts
LOADING: (lbs. / CONDUCTOR) =
TWO PHASE SUSPENSION SUPPORT DOUBLE
JAN 2011
2 – PHASE PRIMARY
24.9 / 14.4 kV
VB6.41
57 | P a g e
INDEX C
THREE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
DRAWNING NUMBER DRAWING TITLE (DESCRIPTION)
VC1.11P, VC1.12P THREE PHASE SINGLE SUPPORT ON CROSSARM (POST INSULATORS,
SMALL CONDUCTOR)
VC1.11PL THREE PHASE SINGLE SUPPORT ON CROSSARM (POST INSULATORS,
LARGE CONDUCTOR)
VC1.11F THREE PHASE SINGLE SUPPORT TANGENT ON FIBERGLASS CROSSARM
(POST INSULATORS)
VC1.13P THREE PHASE SINGLE SUPPORT ON CROSSARM (SLIGHT ANGLE)
VC1.41P THREE PHASE SINGLE SUPPORT TANGENT NEUTRAL ON CROSSARM
(POST INSULATORS)
VC1.42P THREE PHASE SINGLE SUPPORT TANGENT PHASES ON CROSSARM (POST
INSULATORS)
VC1.41F THREE PHASE SINGLE SUPPORT TANGENT NEUTRAL ON FIBERGLASS
CROSSARM (LARGE CONDUCTOR)
VC1.42F THREE PHASE SINGLE SUPPORT TANGENT PHASES ON FIBERGLASS
CROSSARM (LARGE CONDUCTOR)
VC1.1NP THREE PHASE SINGLE SUPPORT TANGENT NARROW PROFILE ON
CHICKEN WINGS (BACK TO BACK)
VC1.7NP THREE PHASE SINGLE SUPPORT TANGENT NARROW PROFILE ON
CHICKEN WINGS (VERTICLE)
VC1.81G THREE PHASE JUNCTION GUIDE
VC2.21P THREE PHASE DOUBLE SUPPORT TANGENT ON CROSSARMS (POST
INSULATORS, LARGE CONDUCTOR)
VC2.21F THREE PHASE DOUBLE SUPPORT TANGENT ON FIBERGLASS CROSSARMS
(LARGE CONDUCTOR)
VC2.51P THREE PHASE DOUBLE SUPPORT TANGENT NEUTRAL ON CROSSARMS
(POST INSULATORS, LARGE CONDUCTOR)
VC2.51F THREE PHASE DOUBLE SUPPORT TANGENT NEUTRAL ON FIBERGLASS
CROSSARMS (LARGE CONDUCTOR)
VC2.52P THREE PHASE DOUBLE SUPPORT TANGENT ON CROSSARMS (POST
INSULATORS)
58 | P a g e
(page 2)
THREE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
DRAWNING NUMBER DRAWING TITLE (DESCRIPTION)
VC2.52F THREE PHASE DOUBLE SUPPORT TANGENT ON FIBERGLASS CROSSARMS
(LAGE CONDUCTOR)
VC2.1NP THREE PHASE SINGLE SUPPORT NARROW PROFILE ANGLE ON CHICKEN
WINGS (BACK TO BACK, CLAMP INSULSTORS)
VC2.9NP THREE PHASE SINGLE SUPPORT NARROW PROFILE ANGLE ON CHICKEN
WINGS (VERTICLE, CLAMP INSULSTORS)
VC3.1 THREE PHASE SUSPENSION SUPPORT ANGLE (POLYMERS)
VC3.2L THREE PHASE SUSPENSION SUPPORT ANGLE (LARGE CONDUCTOR)
VC4.1 THREE PHASE SUSPENSION SUPPORT DEADEND ANGLE (POLYMERS)
VC4.2L THREE PHASE SUSPENSION SUPPORT DEADEND ANGLE (POLYMERS,
LARGE CONDUCTOR)
VC5.1 THREE PHASE SUSPENSION SUPPORT DEADEND VERTICAL (POLYMERS)
VC5.2L THREE PHASE SUSPENSION SUPPORT DEADEND VERTICAL (POLYMERS,
LARGE CONDUCTOR)
VC5.11G THREE PHASE TANGENT WITH SINGLE PHASE TAP GUIDE
VC5.21, VC5.31 THREE PHASE SUSPENSION SUPPORT SINGLE DEADEND ON CROSSARMS
(POLYMERS)
VC5.21F THREE PHASE SUSPENSION SUPPORT SINGLE DEADEND ON FIBERGLASS
CROSSARMS (POLYMERS, LARGE CONDUCTOR)
VC5.71F THREE PHASE SUSPENSION SUPPORT SINGLE DEADEND ON FIBERGLASS
CROSSARM (POLYMERS)
VC5.82G THREE PHASE HORIZONTAL TAP GUIDE
VC6.21, VC6.31 THREE PHASE SUSPENSION SUPPORT DOUBLE DEADEND ON
CROSSARMS (POLYMERS)
VC6.21F THREE PHASE SUSPENSION SUPPORT DOUBLE DEADEND ON
FIBERGLASS CROSSARMS (POLYMERS, LARGE CONDUCTOR)
VC6.41 THREE PHASE SUSPENSION SUPPORT DOUBLE DEADEND ON
FIBERGLASS CROSSARM (POLYMERS)
59 | P a g e
(page 3)
THREE-PHASE PRIMARY POLE TOP ASSEMBLY UNITS
DRAWNING NUMBER DRAWING TITLE (DESCRIPTION)
VC6.51 THREE PHASE…
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