22_RUS Bulletin 1728F-806 UG Main VEA Standard - 18 October 2018.pdf

UNITED STATES DEPARTMENT OF AGRICULTURE

Rural Utilities Service

RUS BULLETIN 1728F-806

RD-GD-2018-93

SUBJECT: Specifications and Drawings for Underground Electric Distribution

TO: RUS Electric Staff RUS Electric Borrowers

DATES:

Effective Date: October 11, 2018 Incorporation by Reference: IBR approved by Director, Office of the Federal Register - 2018.

OFFICE OF PRIMARY INTEREST: Electric Staff Division

FILING INSTRUCTION: This bulletin replaces RUS Bulletin 1728F-806, Specifications and Drawing for Underground Electric Distribution, dated June 2000.

PURPOSE: This bulletin contains complete specifications settings forth the RUS requirements for constructing rural underground electric distribution systems using state-of-the-art materials, equipment, and construction methods. This information is incorporated by reference in 7 CFR Part 1728.

Christopher A. McLean Assistant Administrator, Electric Program Date

Disclaimer: The contents of this guidance document does not have the force and effect of law and is not meant to bind the public in any way. This document is intended only to provide clarity to the public regarding existing requirements under the law or agency policies.

https://www.ecfr.gov/cgi-bin/text-idx?SID=1ae2d7625e74b4c9e5053e0192dae4c1&mc=true&node=pt7.11.1728&rgn=div5

RUS Bulletin 1728F-806

TABLE OF CONTENTS

1 General 4 2 Storage of Material and Equipment 5 3 Handling of Cable 5 4 Plowing 6 5 Special Requirements for Coordination Between Owner and Contractor 7

Where Cable is to be Installed by Plowing 6 Trenching 7 7 Installing Cable in Trench 8 8 Installing Cable by Directional Bore 9 9 Minimum Bending Radius of Cable 9 10 Conduit 9 11 Tagging of Cables at Termination Points 10 12 Joints/Splices 10 13 Primary Cable Termination and Stress Cones 10 14 Special Precautions for Cable Joints/Splices and Terminations 11 15 Secondary and Service Connections 11 16 Pedestals 12 17 Inspection and Inventory of Buried Units 12 18 Backfilling 12 19 Equipment Pads 13 20 Transformers 13 21 Below Grade Enclosures 13 22 Utility Safety Signs 13 23 Sacrificial Anodes 14 24 Grounding 14 25 Cable Route Location Markers 14 26 Installed Cable and Acceptance Tests 14 27 Placement of Surge Arresters 15

Attachments

Attachment A - Drawing Descriptions Attachment B - Construction Drawings Attachment C - RUS Standard Format and Meaning of Underground Distribution Assembly Numbers

INDEX:

ASSEMBLIES

Underground Distribution – Bul. 1728F-806

SPECIFICATIONS AND STANDARDS:

Construction Specifications and Drawings – Bul. 1728F-806 Underground Distribution – Bul. 1728F-806

UNDERGROUND DISTRIBUTION:

Underground Rural Distribution – Bul. 1728F-806

ABBREVIATIONS

ANSI – American National Standards Institute IEEE - Institute of Electrical and Electronic Engineers, Inc.

NEMA - National Electrical Manufacturers Association NESC - Compliance with National Electrical Safety Code NRECA – National Rural Electric Cooperative Association

1 GENERAL

a These specifications provide for the construction of underground distribution power facilities as specified by the owner. The owner is defined as the organization contracting for the services and when used in connection with RUS financed facilities, is synonymous with the term borrower as defined in ~1710.2.

b It is the responsibility of the owner to ensure that all construction work shall be accomplished in a thorough and workmanship manner in accordance with the staking sheets, plans and specifications, and the construction drawings.

c If construction work is performed by the Owner's force labor account crews instead of a contractor, any reference to "Contractor" in the narrative portions or drawings of this bulletin shall also apply to the force labor account crews.

d The provisions of 7 CFR 1724.50, Compliance with National Electrical Safety Code (NESC) applies to all borrower electric system facilities regardless of the source of financing.

(1) The owner shall ensure that its electric system, including 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 NESC and all applicable and current electrical and safety requirements of any State or local government entity in which they serve. Copies of the NESC may be obtained from the Institute of Electrical and Electronic Engineers, Inc., EEE Customer Service 445 Hoes Lane P.O. Box 1331 Piscataway, NJ 08855-1331 Telephone: (800)678-4333 Web site: http://shop.ieee.org/ieeestore/

(2) This requirement applies to the borrower’s electric system regardless of the source of financing.

(3) 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.

http://shop.ieee.org/ieeestore/ e Overhead distribution design specifications and standards are in RUS Bulletin 1728F-804 and Bulletin 1728F-803. With the underground assemblies attached to the overhead facilities, please note: Overhead distribution circuits shall be constructed with not less than the 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 Grades B and C. Overhead transmission circuits shall be constructed with not less than the Grade B strength requirement as described in NESC Section 26.

f An effective program for identifying underground cable routes is a good mapping system.

g The drawings of equipment and materials shown in the construction assemblies depict the general categories of items found in RUS Informational Publication 202-1, “List of Materials Acceptable for Use on System of RUS Electrification Borrowers” (“List of Material”). Any drawing of any piece of equipment or material that resembles a specific product of a manufacturer is unintentional.

h Owners shall use the new assembly and guide coding system on the new assembly units and guide drawings as listed in the RUS Bulletin 1728F-806. However, owners may elect to continue using the old numbers of these assembly and guide drawings, but only for the previous (dated June 2000 publication) assemblies and guide drawings and their old numbers if they make the applicable material changes to the old assemblies.

2 STORAGE OF MATERIAL AND EQUIPMENT

All material and equipment to be used in construction shall be stored so as to be protected from deteriorating effects of the elements. If outdoor storage cannot be avoided, the material and equipment must be protected from the elements as appropriate, and with due regard to public safety.

3 HANDLING OF CABLE

The cable shall be handled carefully at all times to avoid damage, and shall not be dragged across the ground, fences or sharp projections. This includes setting up utility signs to mark cable laying in a vehicle traffic area to prevent cable damage. Care shall be exercised to avoid excessive bending of the cable. The ends of the cable shall be sealed at all times against moisture with suitable end caps. Where it is necessary to cut the cable, the ends will be terminated or sealed immediately after the cutting operation.

4 PLOWING

a When cables, flexible conduit, and cable-in-conduit are to be installed by plowing, it is the responsibility of the owner to ensure that the plowing equipment be subject to the approval of the Owner and the public authorities having jurisdiction over highway and road rights-of-way. The plow shall be provided with a means to assure positive hold-down of the plow blade to provide proper depth at all times.

b The design of the plowshare shall ensure that the cable passing through the plow will not be bent in a radius less than 12 times the outside diameter of the cable. The equipment shall be capable of extending the plow a minimum of 6 inches below the specified depth under all terrain conditions of plow utilization.

c The owner shall ensure that equipment and construction methods used during construction cause minimum displacement of the soil. The slot made in the soil by the cable plows shall be closed immediately by driving a vehicle track or wheel over the slot or by other suitable means.

d Starting and terminating points of the plowing operation shall be excavated prior to cable installation to reduce possible cable damage and to assure sufficient burial depth.

e During the plowing operation, care is to be exercised to feed the cable or wire into the ground through the plow loosely and at minimum tension. Besides using proper equipment and construction methods, supervision by the owner or owner’s representative shall be furnished at all times at the site of plowing operations to assure compliance with these specifications.

f If, during the plowing operation, the plow should strike a buried object or rock that would stop the equipment and necessitate removal of the plow from the ground, the plow must be removed from the ground carefully and, if practical, without backing the plow. If it should be necessary to back the plow to remove it from the ground, the cable must be uncovered a sufficient distance back for inspection by the Owner to determine whether the cable or wire has been damaged.

g The cable shall be inspected carefully as it is payed out from the reel to be certain that it is free from visible defects. Every instance of damaged cable observed at any time, whether prior to installation, during installation, or when discovered by test or observation subsequent to installation in plant, shall be immediately called to the attention of the Owner. Repair or correction of such damage shall be done promptly and in accordance with the written instruction of the Owner. The location of any such repair shall be indicated on the staking sheet.

5 SPECIAL REQUIREMENTS FOR COORDINATION BETWEEN OWNER AND

CONTRACTOR WHERE CABLE IS TO BE INSTALLED BY PLOWING

a Staking sheets shall be reviewed jointly in the field by the contractor and Owner prior to the start of construction. At that time, the Contractor shall propose any desirable changes or clarifications. These changes, if approved by the Owner, shall be made and recorded on the staking sheets. No changes on the staking sheets shall be made by the Contractor without the prior written approval of the Owner. A representative of the Owner shall remain in the immediate vicinity of the plowing operations at all times and will consider and possibly approve any acceptable changes proposed by the Contractor. A representative of the Owner shall also inspect any damage to cable and approve acceptable methods of repair or correction of such damage in accordance with the provisions of these specifications.

b In the event that rock is encountered during the plowing operation so that the buried cable cannot be installed to the required minimum depths in soil, the Contractor shall determine for the Owner the nature and extent of the rock encountered. Based on this information, the Owner will determine whether the cable is to be rerouted, trenched in rock, protected by conduit or concrete or a change made to aerial construction. This decision shall be made promptly, and appropriate changes in units shall be made on the staking sheets.

Such changes shall be in writing, dated, and initialed by the Owner.

c Due to the necessity of making on-the-spot corrections and changes on staking sheets, it may not be possible for the Owner to issue revised staking sheets to the Contractor in all cases. When changes are made, dated, and initialed by the Owner on a set of the Contractor's staking sheets, it shall be the Contractor's responsibility to transfer these changes to all other sets of staking sheets being used by the Contractor for construction purposes.

d The Contractor shall provide a competent representative to work with the Owner on the inventory and inspection of buried cable units. The inventory of buried cable will be made as soon after the plowing operation as practical to avoid later disagreements on the quantity of cable installed when changes are required in the project.

6 TRENCHING

a It is the responsibility of the owner to ensure that all trenching depths specified are listed as minimum as measured from the final grade to the top surface of the cable or conduit.

The routing shall be as shown on the staking sheets and plans and specifications unless conditions encountered are such that changes are necessary to accomplish the work. In such event, the Owner shall be notified promptly. If rock or other difficult digging (i.e.

trench caves in) is involved, the Contractor shall determine the nature and extent of the difficulty, and the Owner will determine whether rerouting, rock trenching, plowing, rock sawing or other changes are necessary. Loose soil or crumbly rock shall not be considered as "difficult digging." The trench widths specified are minimums and should be increased as necessary to obtain the required depths in loose soils.

b Where trenches are intended for more than one cable, particular care shall be taken to provide for extra depth and width to allow for soil falling into the trench during the laying of the first cables.

c Care shall be exercised to minimize the likelihood of waterflow since this may cause trench damage and reduction in trench depth. If this occurs, the trench must be cleared to the specified depth before installing the cable.

d All trenches including secondary and service trenches shall follow straight lines between staked points to the greatest extent possible to help in cable locating. The trenches shall be dug so that the bottom has a smooth grade. Large rocks, stones and gravel in excess of l inch shall be removed from the bottom of the trench. Where this cannot be done, a 2 inch bed of sand or clean soil shall be placed in the bottom of the trench.

e Construction shall be arranged so that trenches will be left open for the shortest practical time to avoid creating a hazard to the public and to minimize the likelihood of collapse of the trench due to other construction activity, rain, accumulation of water in the trench, etc.

7 INSTALLING CABLE IN TRENCH

a It is the responsibility of the owner to ensure that the cable shall be placed in the trench as soon after the trenching operation as feasible. Wherever possible, cable shall be payed out from the reel mounted on a moving vehicle or trailer. The reel shall be supported so that it can turn easily without undue strain on the cable. The cable shall be carefully placed in the trench by hand. All cable placements shall be done under constant supervision to be certain that no damage to the cable occurs.

b The cable shall be inspected carefully as it is removed from the reel in laying operations to be certain that it is free from visible defects. The Owner shall decide upon corrective action when defects are discovered.

c Where more than one cable are to be placed in a trench, the spacings required by the specifications must be observed. Care shall be taken that any soil falling into the trench during the laying of the first cable does not reduce the clearances of the last cable below that specified. Should this occur, the excess soil shall be removed carefully by hand or with equipment so as not to damage the installed cables.

d Sufficient slack, and in no case less than 24 inches, shall be left at all risers, transformer pads, pedestals and terminal points so that movements of cable after backfilling will not cause damaging strain on the cable or terminals. The cable trench shall be mechanically compacted 36 inches minimum from all riser poles, pads, pedestals and terminal points.

e The ends of all secondary cable terminated below ground shall be long enough to reach at least 12 inches above the top of the underground enclosure.

8 INSTALLING CABLE BY DIRECTIONAL BORE

It is the responsibility of the owner to investigate the boring route. If the bore is in public/private right-of-way, a review of the permit is required to determine what type of construction may be required for the installation. During the boring operation, multiple bend/turns should be avoided as it increases the pulling tension on the cable. The cable and or conduits must be handled and or trained with proper guides at the entry and exit points to prevent damage. Procedures for cable handling in trenching and plowing also apply to installation by directional boring.

9 MINIMUM BENDING RADIUS OF CABLE

The minimum bending radius of primary cable is 12 times the overall diameter of the cable. The minimum bending radius of secondary and service cable is six times the overall diameter of the cable.

In all cases the minimum radius specified is measured to the surface of the cable on the inside of the bend. No cable bends shall be made within 6 inches of a cable terminal base.

10 CONDUIT

a Cable Protection shall have all exposed ends of the conduit plugged during construction to prevent the entrance of foreign matter and moisture into the conduit. Burrs or sharp projections which might injure the cable shall be removed. Conduits shall be sized to meet the fill limits based on the number and size of cables to be installed. Lubricants used in the aid of cable pulling shall be compatible with both the conduit and cable.

b Direct Buried Riser shield or conduit shall extend at least 18 inches below grade at all riser poles. If full round conduit is used as a riser shield, an end bell shall be installed on the lower end to prevent damage to the cable. Any aluminum portion of the riser shall not be placed below grade.

c Three Phase Riser Guide conduit provides good protection when all three phases are in one conduit. The advantage of each phase in a separate conduit is having improved reliability and lower cable pulling tensions. However, the disadvantages has the separated phase and neutral currents causing induced current in magnetic metal conduits leading to increases in line losses which develops heat that can damage the cable insulation.

D It is the responsibility of the owner to perform cable pulling calculations prior to pulling through a conduit system so that maximum cable tensions are not exceeded. When pulling conductors into a conduit system, the owners shall lubricate cable as needed to reduce pulling tensions.

11 TAGGING OF CABLES AT TERMINATION POINTS

As the cables are laid, it is the responsibility of the owner to ensure that they are identified and tagged.

The identification shall be of a permanent type, such as that done on plastic or corrosion resistant metal tags. The tag shall be securely attached to the cable. Paper or cloth tags are not acceptable.

12 JOINTS/SPLICES

a Cable joints/splices shall be of the pre-molded rubber, heat-shrink, or cold-shrink type, of the correct voltage rating and shall be installed in accordance with the joint/splice manufacturer's instructions. Joints/Splices that depend solely on tape for a moisture barrier shall not be used.

b Not more than one joint/splice may be permitted for each 2000 feet of cable installed unless authorized by the Owner. No bends may be permitted within 12 inches of the ends of a joint/splice. The cable or circuit numbers and the exact location of all joints/splices shall be noted on the staking sheets (as built).

13 PRIMARY CABLE TERMINATION AND STRESS CONES

a Prefabricated stress cones or terminations shall be installed in accordance with the manufacturer's instructions at all primary cable terminals. They shall be suitable for the size and type of cable that they are used with and for the environment in which they will operate. Any indication of misfit, such as a loose or exceptionally tight fit, shall be called to the Owner's attention. The outer semi-conductive surface of the termination shall be bonded to the system neutral. A heat-shrink or cold-shrink sleeve shall be installed to seal between the body of the termination and the cable jacket.

14 SPECIAL PRECAUTION FOR CABLE JOINTS/SPLICES AND TERMINATIONS

A portable covering or shelter shall be available for use when joints/splices or terminations are being prepared and when prefabricated terminations are being switched. The shelter shall be used as necessary to keep rain, snow and windblown dust off the insulating surfaces of these devices. Since cleanliness is essential in the preparation and installation of primary cable fittings, care shall be exercised to prevent the transfer of conducting particles from the hands to insulating surfaces. Mating surfaces shall be wiped with a solvent to remove any possible accumulation of dirt, moisture or other conducting materials. A silicone grease or similar lubricant should be applied afterwards in accordance with the manufacturer's recommendations. Whenever prefabricated cable devices are opened, the unenergized mating surfaces shall be lubricated with silicone grease before the fittings are reconnected.

15 SECONDARY AND SERVICE CONNECTIONS

a 15.1 A suitable inhibiting compound shall be used with all secondary and service connections.

b All secondary cable connections located below grade or in secondary pedestals shall be made with pre-insulated secondary connector blocks. Diving bells with open terminals, insulating boots or moisture barriers that depend solely on tape are not acceptable.

c All transformer secondary phase terminal connections shall be completely insulated. If the secondary phase terminals are threaded studs, the connection shall be made with a pre-insulated secondary transformer connection block. If the transformer secondary phase terminals are insulated cable leads, connection shall be made with a pre-insulated secondary connector block or with a secondary prefabricated joint/splice when the transformer leads continue directly to the service.

d If a transformer is so large that it must have secondary spades, the spades shall be taped or otherwise insulated. Boots used for insulation shall be taped or secured so that they cannot be readily slipped off.

e Secondary connections to terminals of pole-mounted transformers shall be made so that moisture cannot get inside the cable insulation. This may be accomplished by covering the terminals and bare conductor ends with an appropriate moisture sealant (a listing of acceptable items is in RUS Informational Publication 202-1, List of Materials for use on systems of RUS Electrification Borrowers) or by providing a drip loop.

f 15.6 The secondary connections and insulation shall have accommodations for all future and existing services as shown on the plans and specifications.

16 PEDESTALS

Where required, pedestal stakes shall be driven vertically into the bottom of the trench before cables are placed, and shall be located as shown on the staking sheets. Pedestal posts and supporting stakes shall be in place before the cable is installed. All pedestals should be approximately at the same height above finished grade.

17 INSPECTION AND INVENTORY OF BURIED UNITS

Before any backfilling operations are begun, it is the responsibility of the owner to ensure that the Contractor and Owner shall jointly inspect all trenches, cable placement, risers, pedestal stakes, and other construction that will not be accessible after backfilling, and an inventory of units shall be taken.

If corrections are required, a second inspection shall be made after completion of the changes.

18 BACKFILLING

a The first 6 inches of trench backfill shall be free from rock, gravel or other material which might damage the cable jacket. In lieu of cleaning the trench, the Contractor may, at the Contractor's option, place a 2 inch bed of clean sand or soil under the cable and 4 inches of clean soil above the cable. Cleaned soil backfill when used shall contain no solid material larger than l inch. This soil layer shall be carefully compacted so that the cable will not be damaged.

b Backfilling shall be completed in such a manner that voids will be minimized. Excess soil shall be piled on top and shall be well tamped.

c 18.3 Pieces of scrap cable or other material remaining after installation shall not be buried in the trench as a means of disposal.

c Conduit provides protection for the cable to be installed. However, the backfilling method for cable in conduit shall be the same as direct buried cable. Additional protection can be obtained by pouring a concrete cap over a partial filled backfill above the direct buried cable or conduit.

Further protection for the conduits is done by concrete encapsulation using spacers to insure enough concrete surrounds the conduits.

19 EQUIPMENT PADS

The site for the pad shall be on undisturbed earth adjacent to but not over the trench. The site shall be cleared of all debris and excavated to the specified depth. Gravel or sand may be added to the site and thoroughly compacted. The developer/property owner shall provide the finished grade so steps can be taken to insure foundations are installed level at the specified elevation.

20 TRANSFORMERS

Transformers shall be handled carefully to avoid damage to the finish and shall be positioned in accordance with the staking sheets and the plans and specifications. Only qualified and experienced personnel shall be allowed to make connections and cable terminations.

21 BELOW GRADE ENCLOSURES

Excavations for sleeve-type transformer pads and other below-grade enclosures shall be made so as to disturb the surrounding earth as little as practical. Enclosures shall be installed with side walls plumb.

When enclosures are of fiber, plastic, or other semi-flexible material, backfilling should be done with covers in place and with careful tamping so as to avoid distortion of the enclosure. When installation is complete, the cover of the enclosure shall not be lower than and not more than 2 inches higher than the grade specified by the Owner. Soil in the immediate vicinity shall be tamped and sloped away from the enclosure. At the Owner's option, the excess soil shall be removed from the site or spread evenly over the surface of the ground to the satisfaction of the Owner.

22 UTILITY SAFETY SIGNS

a Utility safety signs shall be in accordance with the provisions of ANSI Z535.2011 and any updated revision of these codes when it is released, Environmental and Facility Safety Signs shall be applied in accordance with RUS drawings. Copies of the ANSI Z535.2-2011 may be obtained from:

National Electrical Manufacturers Association (NEMA) 1300 North 17th Street Suite 1847 Rosslyn, Virginia 22209.

b Transformers and other high voltage equipment enclosures installed at ground level in a public access area shall display owner/operator contact information with contact name and telephone number.

23 SACRIFICIAL ANODES

Sacrificial anodes specified shall be installed with backfill package intact and connecting leads positioned for proper connection after the equipment is in place. Anodes shall not be moved, positioned, lifted, nor lowered into place by pulling on the connecting leads.

24 GROUNDING

a 24.1 All neutral conductors, ground electrodes, sacrificial anodes and grounded parts of equipment shall be interconnected. All interconnections for grounding shall be made and consistent with installation standard used by the owner. A copper-clad or galvanized steel ground rod with minimum length of 8 feet shall be installed at all equipment locations and at all accessible cable joints/splices and taps.

b 24.2 All pad-mounted equipment enclosures, including transformers, shall be grounded in such a manner that two separate grounding paths exist between the enclosure and the grounding rod(s).

c 24.3 Counterpoise grounding is an effective means of reducing the impedance to ground in areas of high-resistivity soils. A common designed counterpoise is a horizontal grid or conductor below ground level functioning as one plate of a large capacitor, with the conductive layers of the earth acting as the other plate. A counterpoise shall not be used when normal electrode grounding can be installed.

25 CABLE ROUTE LOCATION MARKERS

The above ground location of permanent cable markers shall be as shown on the staking sheets. URD cable markers provide identification of cable routes to contractors, other utilities, and general public to guard against unauthorized contact.

26 INSTALLED CABLE AND ACCEPTANCE TESTS

a The best method for quality assurance of the cable is to require the manufacturer to submit samples for testing before the cable is accepted. The acceptance tests are simple checks to ensure that the cable components meet the current specifications and compliance standards. NRECA has a list of cable testing facilities. The typical cable sampling rates are to test one sample, each, from the first and last reel on the order of 50,000 feet or less and one sample for each additional 50,000 feet of cable ordered.

b Continuity: After installation of the cable, authorized personnel shall perform a simple continuity test on the system. This can easily be accomplished by grounding the conductor at the source and checking for continuity from the end of each tap with an ohmmeter or with a battery and ammeter.

c WARNING: A hazardous voltage may exist on the cable; therefore, before handling the cable, the conductor shall be grounded to permit any charge to drain to earth.

27 PLACEMENT OF SURGE ARRESTERS

The arrester connection on a riser pole shall have the grounding conductor going from system neutral to the pole ground to surge arrester ground than to cable neutral/ground. The combination of both the line lead length and ground lead length shall be less than 3 feet.27.2 The higher margin of protection on the underground cable system is reached when the riser type class arresters are used at each overhead riser pole cable termination. Also, by the placement of a distribution class arresters at open points on the cable system to help limit the transient voltage reflection peaks. Note a higher surge arrester MCOV rating should be selected for both open and mid-point arresters on the underground cables system as compared to the MCOV rating of the overhead riser pole arrester.

Bulletin 1728F-806 Attachment A - Drawing Descriptions Attachment B - Construction Drawings Attachment C - RUS Standard Format and Meaning of Underground Distribution Assembly Numbers

Attachment A

Attachment A

SECTION CATEGORY DESCRIPTIONS

UA SINGLE-PHASE RISER POLE ASSEMBLY UNITS

Single-Phase Riser Primary Pole Installations

UA1 Single Phase Cable Terminal Pole with Two Brackets UA2 Single Phase Cable Terminal Pole with One Bracket UA3 Single Phase Cable Terminal Pole with Crossarm Mounted Cutout UA4 Single Phase Cable Terminal Pole without Cutout UA.G Cable Terminal Pole Arrester Connection Guide UA1.USG Alternate Connection For Underground Source Guide

UB TWO-PHASE RISER POLE ASSEMBLY UNITS

Two-Phase Riser Primary Pole Installations

UB1 Two Phase Cable Terminal Pole with Cutouts and Crossarm Mounting Arresters UB2 Two Phase Cable Terminal Pole with Cutouts and Bracket Mounting Arresters UB3 Two Phase Cable Terminal Pole without Cutouts and Crossarm Mounting

Arresters UB4 Two Phase Cable Terminal Pole without Cutouts and Bracket Mounting Arresters UB5 Two Phase Cable Terminal Pole with Upper Crossarm Mounting Cutouts and

Crossarm Mounting Arresters UB6 Two Phase Cable Terminal Pole with Upper Crossarm Mounting Cutouts and

Bracket Mounting Arresters

UC THREE-PHASE RISER POLE ASSEMBLY UNITS

Three-Phase Riser Primary Pole Installations

UC1 Three Phase Cable Terminal Pole with Cutouts and Crossarm Mounting Arresters UC2 Three Phase Cable Terminal Pole with Cutouts and Bracket Mounting Arresters

UC3 Three Phase Cable Terminal Pole without Cutouts and Crossarm Mounting Arresters

UC4 Three Phase Cable Terminal Pole without Cutouts and Bracket Mounting Arresters

UC5 Three Phase Cable Terminal Pole with Upper Crossarm Mounting Cutouts and Crossarm Mounting Arresters

UC6 Three Phase Cable Terminal Pole with Upper Crossarm Mounting Cutouts and Bracket Mounting Arresters

UC7.1 Bracket Mounting Switches UC7.2 Horizontal Mounting Switches UC7.3 Vertical Switches Mounted on Three Crossarms UC7.4 Vertical Switches Mounted on Four Crossarms

UC8.1 Three Phase Cable Terminal Pole with Vertical Framing and Two Brackets per Phase

UC8.2 Three Phase Cable Terminal Pole with Vertical Framing and One Brackets per Phase

UF FOUNDATIONS ASSEMBLY UNITS

Types & Products Used in Foundation Installations

UF.PBC, Primary Pull Box Underground Cable

UF.PBN

UF1.BC, Single Phase Equipment Foundations

UF1.BN

UF1.PC, Single Phase and Three Phase Equipment Foundations

UF1.PN,

UF3.PN

UF3.BC, Three Phase Equipment Foundations

UF3.BN,

UF3.VC

UF3.PC Concrete Pad for Thee Phase Equipment

UG TRANSFORMER ASSEMBLY UNITS

Types & Products Used in Transformer Installations

UG1.01, Single Phase One Bushing Padmounted Transformer (Radial Feed)

UG1.1

UG1.2 Single Phase Two Bushing Padmounted Transformer (Radial Feed) UG1.02, Single Phase Two Bushing Padmounted Transformer (Loop Feed)

UG1.3

UG2.1 Open Delta Connection with Single Phase Padmounted Transformers UG3.01, Three Phase Three Bushing Padmounted Transformer (Radial Feed)

UG3.1

UG3.2 Three Phase Six Bushing Padmounted Transformer (Radial Feed) UG3.02, Three Phase Six Bushing Padmounted Transformer (Loop Feed)

UG3.3

UH GROUNDING ASSEMBLY UNITS

Types & Methods used in Grounding Installations

UH.01 Ground Rod Assembly UH1.1 Grounding Assembly for Padmounted Transformers and Enclosures (1 Rod) UH1.2 Grounding Assembly for Padmounted Transformers and Enclosures (2 Rod) UH1.4 Grounding Assembly for Padmounted Transformers and Enclosures (4 Rod) UH1.7 Grounding Array for Padmounted Transformers and Enclosures UH2.0, Counterpoise Grounding

UH2.2

UH2.7 Trench Type Grounding Assembly – Riser to Transformer Outside of Conduit UH3.1 Grounding Assembly for Sectionalizing Enclosures (1 Rod) UH4.1 Grounding Assembly for Cable Above Grade Enclosures (1 Rod) UH4.1G Jacketed Cable Grounding Installation (Heat Shrink or Cold Shrink)

UJ SECONDARY ASSEMBLY UNITS

Types & Products used in Secondary Installations

UJ1.01 Secondary Splice UJ1 Secondary Insulated Connector Block UJ2 Transformer Connector Block UJ3.1 Secondary Pedestal Single Phase Above Grade Enclosure

UJ3.3 Secondary Pedestal Three Phase Above Grade Enclosure UJ4.1 Secondary Handhole Single Phase Below Grade Enclosure UJ4.3 Secondary Handhole Three Phase Below Grade Enclosure

UK SECONDARY SERVICE ASSEMBLY UNITS

Types & Products used in Secondary Meter Installations

UK1.1 Secondary Cable Riser Pole without Meter Base UK2.1 Secondary Riser Bottom Connection UK2.2 Secondary Riser Bottom Side Connection UK3.1 Temporary Conduit Termination without Meter Base UK4 Secondary Breaker

UM MISCELLANEOUS ASSEMBLY UNITS

Miscellaneous Installation Products & Service

UM1.XX Right-Of-Way Clearing UM2 Cable Route Marker UM3 Safety Signs

UM6.C, Caps and Plugs

UM6.PL

UM6.EL Elbows UM6.FI Fault Indicators UM6.IN Inserts UM6.JN Multipoint Junctions UM6.PK Parking Stands UM6.RK, Primary Terminations

UM6.SP,

UM6.T,

UM6.TS

UO OUTDOOR LIGHTING ASSEMBLY UNITS

Types & Products used in Outdoor Lighting Installations

UO1 Outdoor Light Installation Guide UO2 Light Structure Installation Guide

UP SYSTEM PROTECTION ASSEMBLY UNITS

System Cable Protection & Interface Products Used

UP1, Arresters

UP2,

UP3

UP4, Arresters and Anodes

UP5

UP7.01, Riser Shield, Back Plate, Conduit Cable Riser

UP7.02,

UP7.03

UP7.04 Conduit Elbow UP7.B1 Single Conduit Riser with Stand-Off Brackets UP7.B2 Two Conduit Riser with Stand-Off Brackets UP7.B3 Three Conduit Riser with Stand-Off Brackets UP7.C Strap Attached Conduit Riser UP7.FC Flex Conduit Riser UP7.UG U-Guard Riser UP8 Underground Conduit

UQ METERING ASSEMBLY UNITS

Types & Products used in Metering Installations

UQG Meter Options Guide UQ_._B_ Meter on Building UQ_._P_, Through Type Meter Pedestal and Meter Pedestal Wood Post

UQ_._S_

UQ_._T_ Meter Pedestal at Transformer

UR RECLOSER ASSEMBLY UNITS

Types & Products used in Recloser Installations

UR3._ _ Three Phase Padmounted Recloser

US SECTIONALIZING ASSEMBLY UNITS

Types & Products used in System Sectionalizing Installations

US1.DC Single Phase Padmounted Transformer Deferred Unit Cabinet Type US1.DP Single Phase Padmounted Transformer Deferred Unit Pedestal Type US1.DV Single Phase Padmounted Transformer Deferred Unit Pad Sleeve Type US1.PJ., Single and Three Phase Primary Junctions

US3.PJ.

US_SF_ Switch / Fuse Enclosure Installation

US1.SF_, Single Pole Switching 200 Amp Fuse Enclosure Installation Wiring Diagrams US2.SF_ (Single Phase & Two Phase)

US3.SF_ Fuse Enclosure (200-600 Amp) Wiring Diagrams (Three Phase)

UT TRENCH ASSEMBLY UNITS

Types & Products used in Trenching & Boring Installations

UT1, Trenches for Conduit and Direct Burial Cables

UT2,

UT3,

UT4,

UT5

UY VOLTAGE ASSEMBLY UNITS

Types & Products used in Voltage Control Installations

UY1.1.XX Single Phase Padmounted Voltage Regulation with No Bypass Switch UY1.1.XXSW Single Phase Padmounted Voltage Regulation with Bypass Switch UY3.2L Three Phase Padmounted Shunt Reactor with Loop Feed UY3.3L Three Phase Padmounted Capacitor with Loop Feed

Attachment B

Attachment B

Construction Drawings

INDEX UA

DRAWING NUMBERS DRAWING TITLE (DESCRIPTION)

1728F-806

(New) 1728F-806

(Old)

UA1 UA1 SINGLE PHASE CABLE TERMINAL POLE WITH TWO BRACKETS

UA2 UA2 SINGLE PHASE CABLE TERMINAL POLE WITH ONE BRACKET

UA3 UA3 SINGLE PHASE CABLE TERMINAL POLE WITH CROSSARM

MOUNTED CUTOUT

UA4 SINGLE PHASE CABLE TERMINAL POLE WITHOUT CUTOUT

UA.G UX11 CABLE TERMINAL POLE ARRESTER CONNECTION GUIDE

UA1.USG UNDERGROUND SOURCE CONNECTION GUIDE

SINGLE PHASE RISER POLE ASSEMBLY UNITS

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REVISED CONNECTIONS FOR UNDERGROUND SOURCE

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1. OBJECTIVE: FUSE TUBE IS NOT ENERGIZED WHEN

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FUSE TUBE IS OPEN

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2. MATERIAL SAME AS NORMAL FEED RISER ASSEMBLY

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ALTERNATE CONNECTION

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UA1.USG

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RUS

AutoCAD SHX Text

AUG 2016

FOR UNDERGROUND SOURCE GUIDE

INDEX UB

1728F-806

(New) 1728F-806

(Old)

UB1 (UB1) TWO PHASE CABLE TERMINAL POLE WITH CUTOUTS AND

CROSSARM MOUNTING ARRESTERS

UB2 (UB2) TWO PHASE CABLE TERMINAL POLE WITH CUTOUTS AND

BRACKET MOUNTING ARRESTERS

UB3 (UB3) TWO PHASE CABLE TERMINAL POLE WITHOUT CUTOUTS AND

CROSSARM MOUNTING ARRESTERS

UB4 (UB4) TWO PHASE CABLE TERMINAL POLE WITHOUT CUTOUTS AND

BRACKET MOUNTING ARRESTERS

UB5 TWO PHASE CABLE TERMINAL POLE WITH UPPER CROSSARM

MOUNTING CUTOUTS AND CROSSARM MOUNTING ARRESTERS

UB6 TWO PHASE CABLE TERMINAL POLE WITH UPPER CROSSARM

MOUNTING CUTOUTS AND BRACKET MOUNTING ARRESTERS

TWO PHASE RISER POLE ASSEMBLY UNITS

ITEM

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QTY.

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MATERIAL

AutoCAD SHX Text d

AutoCAD SHX Text j

AutoCAD SHX Text p

AutoCAD SHX Text Uae

AutoCAD SHX Text av

AutoCAD SHX Text bo

AutoCAD SHX Text ek

AutoCAD SHX Text Ugk

AutoCAD SHX Text Uhc

AutoCAD SHX Text dq

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text Washer, square 2 1/4".

AutoCAD SHX Text Screw, lag 1/2" x 4" as required.

AutoCAD SHX Text Connectors, as required.

AutoCAD SHX Text Surge arrester

AutoCAD SHX Text Jumpers, as required.

AutoCAD SHX Text Anchor, shackle.

AutoCAD SHX Text Cable termination.

AutoCAD SHX Text Cable support.

AutoCAD SHX Text Eye screw, elliptical or drive hook.

AutoCAD SHX Text

NOTES:

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1. TOTAL ARRESTER LEAD LENGTH MUST BE UNDER 3'.

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2. NO BENDS PERMITTED WITHIN 6" OF CABLE TERMINAL BASE.

AutoCAD SHX Text c

AutoCAD SHX Text Crossarm, 3 5/8" x 4 5/8" x 8'-0"

AutoCAD SHX Text Bolt, carriage, 3/8" x 4 1/2"

AutoCAD SHX Text Staples, as required.

AutoCAD SHX Text Crossarm mounting bracket.

AutoCAD SHX Text Brace, wood, 28"

AutoCAD SHX Text g

AutoCAD SHX Text i

AutoCAD SHX Text al

AutoCAD SHX Text cu

AutoCAD SHX Text Uhd

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text 2*

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text Locknuts, as required.

AutoCAD SHX Text Bolt, machine, 5/8" x required length.

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TWO PHASE CABLE TERMINAL POLE

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WITHOUT CUTOUTS AND CROSSARM

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MOUNTING ARRESTERS

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UB3

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3. MINIMUM 4" BETWEEN BOLTS.

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RUS

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AUG 2016

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2 - PHASE PRIMARY

AutoCAD SHX Text Uhc

AutoCAD SHX Text cu

AutoCAD SHX Text al

AutoCAD SHX Text bo

AutoCAD SHX Text

NEUTRAL

AutoCAD SHX Text p

AutoCAD SHX Text Uhd

AutoCAD SHX Text Ugk

AutoCAD SHX Text Uae

AutoCAD SHX Text dq

AutoCAD SHX Text c,d,ek

AutoCAD SHX Text p

AutoCAD SHX Text av

AutoCAD SHX Text i,ek j

INDEX UC

1728F-806

(New) 1728F-806

(Old)

UC1 (UC1) THREE PHASE CABLE TERMINAL POLE WITH CUTOUTS AND

CROSSARM MOUNTING ARRESTERS

UC2 (UC2) THREE PHASE CABLE TERMINAL POLE WITH CUTOUTS AND

BRACKETS MOUNTING ARRESTERS

UC3 THREE PHASE CABLE TERMINAL POLE WITHOUT CUTOUTS AND

CROSSARM MOUNTING ARRESTERS

UC4 THREE PHASE CABLE TERMINAL POLE WITHOUT CUTOUTS AND

BRACKET MOUNTING ARRESTERS

UC5 THREE PHASE CABLE TERMINAL POLE WITH UPPER CROSSARM

MOUNTING CUTOUTS AND CROSSARM MOUNTING ARRESTERS

UC6 (UC2-1) THREE PHASE CABLE TERMINAL POLE WITH UPPER CROSSARM

(UC2-2) MOUNTING CUTOUTS AND BRACKET MOUNTING ARRESTERS

UC7.1 BRACKET MOUNTED SWITCHES

UC7.2 (UC5-1,UC6-1) HORIZONTAL MOUNTED SWITCHES

UC7.3 VERTICAL SWITCHES MOUNTED ON THREE CROSSARMS

UC7.4 VERTICAL SWITCHES MOUNTED ON FOUR CROSSARMS

UC8.1 THREE PHASE CABLE TERMINAL POLE WITH VERTICAL FRAMING

AND TWO BRACKETS PER PHASE

UC8.2 THREE PHASE CABLE TERMINAL POLE WITH VERTICAL FRAMING

AND ONE BRACKET PER PHASE

THREE PHASE RISER POLE ASSEMBLY UNITS

INDEX UF

1728F-806

(New) 1728F-806

(Old)

PRIMARY PULL BOX UNDERGROUND CABLE

UF.PBC CONRETE PRIMARY PULL BOX

UF.PBN NON-CONRETE PRIMARY PULL BOX

SINGLE PHASE EQUIPMENT FOUNDATIONS

UF1.BC (UM1-7C) CONRETE BOX PAD FOR SINGLE PHASE EQUIPMENT

UF1.BN (UM1-7NC) NON-CONCRETE BOX PAD FOR SINGLE PHASE EQUIPMENT

SINGLE PHASE AND THREE PHASE EQUIPMENT FOUNDATIONS

UF1.PC (UM1-5C) CONCRETE PAD FOR SINGLE PHASE EQUIPMENT

UF1.PN (UM1-5NC) NON-CONCRETE PAD FOR SINGLE PHASE EQUIPMENT

UF3.PN NON-CONCRETE PAD FOR THREE PHASE EQUIPMENT

THREE PHASE EQUIPMENT FOUNDATIONS

UF3.BC CONCRETE BOX PAD FOR THREE PHASE EQUIPMENT

UF3.BN NON-CONCRETE BOX PAD FOR THREE PHASE EQUIPMENT

UF3.VC CONCRETE VAULT FOR THREE PHASE EQUIPMENT

UF3.PC (UM1-6C) CONCRETE PAD FOR THREE PHASE EQUIPMENT

FOUNDATION ASSEMBLY UNITS

NOTES:

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1. COVER, IF METAL, SHALL BE GROUNDED.

AutoCAD SHX Text Uja-2

AutoCAD SHX Text Uhw

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ITEM

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MATERIAL

AutoCAD SHX Text Uja-2

AutoCAD SHX Text Equipment Box Pad, non-concrete

AutoCAD SHX Text Equipment Box Pad, concrete

AutoCAD SHX Text

UF.PBC

AutoCAD SHX Text

AutoCAD SHX Text

UF.PBN

AutoCAD SHX Text

AutoCAD SHX Text Uja-2

AutoCAD SHX Text

PRIMARY PULL BOX

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UNDERGROUND CABLE

AutoCAD SHX Text Safety signs

AutoCAD SHX Text

AutoCAD SHX Text Uhw

AutoCAD SHX Text

AutoCAD SHX Text

RUS

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AUG 2016

AutoCAD SHX Text

UF.PBN

UF.PBC

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MATERIAL

AutoCAD SHX Text Equipment Box Pad

AutoCAD SHX Text

RUS

AutoCAD SHX Text

AUG 2016

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1 - PHASE PRIMARY

AutoCAD SHX Text Uja-2

AutoCAD SHX Text

QTY.

AutoCAD SHX Text

AutoCAD SHX Text

UF1.BN

AutoCAD SHX Text

3" MIN.

AutoCAD SHX Text 3"

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BELL-END

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FITTING

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CABINET

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COMPARTMENT

AutoCAD SHX Text C

AutoCAD SHX Text L

AutoCAD SHX Text

COMPARTMENT

AutoCAD SHX Text L

AutoCAD SHX Text C

AutoCAD SHX Text

CABINET

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24" MIN. (SECONDARY)

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30" MIN. (PRIMARY)

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SEE NOTE 3

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SWITCHING CABINET

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OR PADMOUNTED

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TRANSFORMER

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SEE DETAIL

AutoCAD SHX Text 1"

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HOLD-DOWN CLAMPS

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(MIN. OF 2 REQUIRED)

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HOLE 1 INCH

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MINIMUM

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FROM EDGE

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DETAIL

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COMPACTED EARTH

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OR GRAVEL BASE

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SEE NOTE 2

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SEE NOTE 3

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1. UNIT MAY CONSIST OF A ONE-PIECE UNIT OR FOUR SEPARATE WALL SECTIONS. 2. NON-METALLIC SWEEPS SHOULD BE STABILIZED WITH CONCRETE ENCASEMENT IF PULLING TENSIONS DICTATE. 3. LARGER RADIUS SWEEPS, WHICH MAY BE REQUIRED BY PULLING TENSIONS, MAY INCREASE BURIAL DEPTHS.

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NOTES:

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SINGLE PHASE

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EQUIPMENT FOUNDATIONS

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UF1.BC

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UNIT DESIGNATION:

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CONCRETE BOX PAD FOR SINGLE PHASE

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UF1.BC

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UF1.BN

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NON-CONCRETE BOX PAD FOR SINGLE PHASE

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EQUIPMENT

EQUIPMENT

AutoCAD SHX Text

MATERIAL

AutoCAD SHX Text Uja-1

AutoCAD SHX Text Transformer non-concrete pad

AutoCAD SHX Text Transformer concrete pad

AutoCAD SHX Text

UF3.PN

AutoCAD SHX Text

AUG 2016

AutoCAD SHX Text

CABLE OPENING

AutoCAD SHX Text

BOLT DOWN PROVISION

AutoCAD SHX Text

UNIT DESIGNATION:

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UF1.PN

AutoCAD SHX Text

NON-CONCRETE PAD FOR SINGLE PHASE EQUIPMENT

AutoCAD SHX Text

CONCRETE PAD FOR SINGLE PHASE EQUIPMENT

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UF1.PC

AutoCAD SHX Text

UF3.PN

AutoCAD SHX Text

NON-CONCRETE PAD FOR THREE PHASE EQUIPMENT

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1. PAD ASSEMBLIES INCLUDE SITE PREPARATION, BEDDING AND DRAINAGE. 2. EQUIPMENT SHALL BE SECURED TO PAD IN ACCORDANCE WITH MANUFACTURERS INSTRUCTIONS. 3. CABLE OPENING AND PAD DIMENSIONS SHALL BE AS REQUIRED.

AutoCAD SHX Text

NOTES:

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UF1.PC,UF1.PN

AutoCAD SHX Text

UF1.PC

AutoCAD SHX Text

AutoCAD SHX Text

UF1.PN

AutoCAD SHX Text

AutoCAD SHX Text

UF3.PN

AutoCAD SHX Text

AutoCAD SHX Text Uja-1

AutoCAD SHX Text

RUS

AutoCAD SHX Text

SINGLE PHASE AND THREE PHASE

EQUIPMENT FOUNDATIONS

AutoCAD SHX Text

MATERIAL

AutoCAD SHX Text Equipment Box Pad

AutoCAD SHX Text

RUS

AutoCAD SHX Text

AUG 2016

AutoCAD SHX Text

3 - PHASE PRIMARY

AutoCAD SHX Text Uja-2

AutoCAD SHX Text

QTY.

AutoCAD SHX Text

AutoCAD SHX Text

THREE PHASE

AutoCAD SHX Text

EQUIPMENT FOUNDATIONS

AutoCAD SHX Text

3" MIN.

AutoCAD SHX Text 3"

AutoCAD SHX Text

BELL-END

AutoCAD SHX Text

FITTING

AutoCAD SHX Text

30" MIN. (PRIMARY)

AutoCAD SHX Text

SEE NOTE 3

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SWITCHING CABINET

AutoCAD SHX Text

OR PADMOUNTED

AutoCAD SHX Text

TRANSFORMER

AutoCAD SHX Text

SEE DETAIL

AutoCAD SHX Text 1"

AutoCAD SHX Text

HOLD-DOWN CLAMPS

AutoCAD SHX Text

(MIN. OF 2 REQUIRED)

AutoCAD SHX Text

HOLE 1 INCH

AutoCAD SHX Text

MINIMUM

AutoCAD SHX Text

FROM EDGE

AutoCAD SHX Text

DETAIL

AutoCAD SHX Text

SEE NOTE 2

AutoCAD SHX Text

SEE NOTE 3

AutoCAD SHX Text

NOTES:

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1. UNIT MAY CONSIST OF A ONE-PIECE UNIT OR FOUR SEPARATE WALL SECTIONS. 2. NON-METALLIC SWEEPS SHOULD BE STABILIZED WITH CONCRETE ENCASEMENT IF PULLING TENSIONS DICTATE. 3. LARGER RADIUS SWEEPS, WHICH MAY BE REQUIRED BY PULLING TENSIONS, MAY INCREASE BURIAL DEPTHS.

AutoCAD SHX Text

COMPACTED EARTH

AutoCAD SHX Text

OR GRAVEL BASE

AutoCAD SHX Text

UNIT DESIGNATION:

AutoCAD SHX Text

CONCRETE BOX PAD FOR THREE PHASE

AutoCAD SHX Text

UF3.BC

AutoCAD SHX Text

UF3.BN

AutoCAD SHX Text

NON-CONCRETE BOX PAD FOR THREE PHASE

AutoCAD SHX Text

EQUIPMENT

AutoCAD SHX Text

EQUIPMENT

AutoCAD SHX Text

UF3.VC

AutoCAD SHX Text

UF3.BC,UF3.BN

AutoCAD SHX Text

UF3.VC

CONCRETE VAULT FOR THREE PHASE EQUIPMENT

AutoCAD SHX Text

MATERIAL

AutoCAD SHX Text Concrete, as required

AutoCAD SHX Text

RUS

AutoCAD SHX Text

AUG 2016

AutoCAD SHX Text

3 - PHASE PRIMARY

AutoCAD SHX Text

QTY.

AutoCAD SHX Text

UF3.PC

AutoCAD SHX Text

CONCRETE PAD FOR

AutoCAD SHX Text

THREE PHASE EQUIPMENT

AutoCAD SHX Text

(SEC.)

AutoCAD SHX Text

(PRI.)

AutoCAD SHX Text 3"

AutoCAD SHX Text

MK3

AutoCAD SHX Text

MK4

AutoCAD SHX Text

MK1

AutoCAD SHX Text

SEE NOTE 1

AutoCAD SHX Text

MK5

AutoCAD SHX Text

MK2

AutoCAD SHX Text B

AutoCAD SHX Text A

AutoCAD SHX Text 3"

AutoCAD SHX Text C

AutoCAD SHX Text 3"

AutoCAD SHX Text 13"

AutoCAD SHX Text 18"

AutoCAD SHX Text D

AutoCAD SHX Text 2"

AutoCAD SHX Text 3"

AutoCAD SHX Text

1. CONCRETE TESTING, 3000 POUNDS MIN. PER SQUARE INCH; 4% TO 6% ENTRAINED AIR, 3/4" MAXIMUM SIZE AGGREGATE. 2. REINFORCING STEEL, ATSM-A615 GRADE 60, PLACE APPROX. 6" O.C. EACH WAY AND SECURELY TIED. 3. MINIMUM CONCRETE COVER OVER REINFORCING STEEL 2 INCHES UNLESS NOTED. 4. WOOD FLOAT FINISH, LEAVING NO DEPRESSIONS. 5. PAD DIMENSION AND REBAR SPACING SHALL BE ADJUSTED TO HANDLE TRANSFORMER SIZE AND WEIGHT.

AutoCAD SHX Text

TOOL OR CHAMFER EDGES

AutoCAD SHX Text E

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NOTES:

AutoCAD SHX Text Reinforcing bar, as required

AutoCAD SHX Text

PAD

AutoCAD SHX Text

3-PHASE TRANSF.

AutoCAD SHX Text

DIMENSIONS IN INCHES

AutoCAD SHX Text

REINFORCING BARS

AutoCAD SHX Text 75, 112 1/2, 150, 225, AutoCAD SHX Text 300, 500

AutoCAD SHX Text #1

AutoCAD SHX Text #2

AutoCAD SHX Text 750, 1000

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text

AutoCAD SHX Text 7 #4

AutoCAD SHX Text 70"

AutoCAD SHX Text 4 #4

AutoCAD SHX Text 10"

AutoCAD SHX Text 6 #4

AutoCAD SHX Text 57"

AutoCAD SHX Text 6 #4

AutoCAD SHX Text 28"

AutoCAD SHX Text 4 #4

AutoCAD SHX Text 26"

AutoCAD SHX Text 12 #4

AutoCAD SHX Text 98"

AutoCAD SHX Text 6 #4

AutoCAD SHX Text 19"

AutoCAD SHX Text 6 #4

AutoCAD SHX Text 94"

AutoCAD SHX Text 7 #4

AutoCAD SHX Text 66"

AutoCAD SHX Text 4 #4

AutoCAD SHX Text 29"

AutoCAD SHX Text A

AutoCAD SHX Text B

AutoCAD SHX Text C

AutoCAD SHX Text D

AutoCAD SHX Text E

AutoCAD SHX Text

MK1

AutoCAD SHX Text

MK2

AutoCAD SHX Text

MK3

AutoCAD SHX Text

MK4

AutoCAD SHX Text

MK5

AutoCAD SHX Text 1500, 2500 kVA

INDEX UG

1728F-806

(New) 1728F-806

(Old)

SINGLE PHASE ONE BUSHING PADMOUNTED TRANSFORMER

(RADIAL FEED)

UG1.01 SINGLE PHASE ONE BUSHING PADMOUNTED TRANSFORMER ONLY

UG1.1 (UG6) RADIAL TYPE SINGLE PHASE ONE BUSHING PADMOUNTED

TRANSFORMER

UG1.2 SINGLE PHASE TWO BUSHING PADMOUNTED TRANSFORMER

(RADIAL FEED)

SINGLE PHASE TWO BUSHING PADMOUNTED TRANSFORMER

(LOOP FEED)

UG1.02 SINGLE PHASE TWO BUSHING PADMOUNTED TRANSFORMER ONLY

UG1.3 (UG7) LOOP TYPE SINGLE PHASE TWO BUSHING PADMOUNTED

TRANSFORMER

UG2.1 (UX1) OPEN DELTA CONNECTION WITH SINGLE PHASE PADMOUNTED

TRANSFORMERS

THREE PHASE THREE BUSHING PADMOUNTED TRANSFORMER

(RADIAL FEED)

UG3.01 THREE PHASE THREE BUSHING PADMOUNTED TRANSFORMER ONLY

UG3.1 (UG17) RADIAL TYPE THREE PHASE THREE BUSHING PADMOUNTED

TRANSFORMER

UG3.2 (UG17-3) THREE PHASE SIX BUSHING PADMOUNTED TRANSFORMER

(RADIAL FEED)

THREE PHASE SIX BUSHING PADMOUNTED TRANSFORMER

(LOOP FEED)

UG3.02 THREE PHASE SIX BUSHING PADMOUNTED TRANSFORMER ONLY

UG3.3 (UG17-2) LOOP TYPE THREE PHASE SIX BUSHING PADMOUNTED

TRANSFORMER

TRANSFORMER ASSEMBLY UNITS