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SECTION 26 05 13 - MEDIUM VOLTAGE CABLES (continued)
<br />PART 2 – PRODUCTS
<br />2.1 MATERIALS
<br />A. General:
<br />1. Cable provided under this Section shall be rated for insulation level of 133 percent at 15kV, 25kV, or 35kV.
<br />2. Cable insulation shall be thermosetting rubber-based suitable for normal installation indoors or outdoors, in conduit, in air, and
<br />intermittent or continuous submergence in water.
<br />3. Cable shall be single conductor bearing UL label “MV 105” and comply with or exceed applicable ICEA and AEIC standards.
<br />B. Manufacturers: Provide products of one of the following:
<br />1. Kerite Company.
<br />2. The Okonite Company.
<br />3. General Cable Corporation.
<br />4. Southwire.
<br />5. Or pre-approved equal.
<br />C. Materials:
<br />1. Conductor: Conductors shall be soft or annealed uncoated or tinned coated aluminum.
<br />2. Insulation System: Cable insulation system shall include two separate screen layers, primary insulation and shield.
<br />a. Conductor screen shall consist of extruded inner layer of non-conduct- ing energy suppression or semi-conducting material.
<br />Conductor screen shall be in intimate contact with outer surface of conductor.
<br />b. Primary insulation shall be high quality ozone-resistant ethylene-propylene rubber (EPR) based compound. Insulation system
<br />shall be suitable for use at conductor temperatures not exceeding 90 degrees C for normal operation, 130 degrees C for emergency
<br />overload conditions, and 250 degrees C for short circuit conditions. Minimum and maximum thickness of insulation system shall be
<br />85/120 mils for 5kV rated systems and 210/220 mils for 15kV rated systems.
<br />c. Insulation screen shall be outer layer of thermosetting semi-conducting material. Insulation screen shall be in intimate contact
<br />with outer insulation surface.
<br />d. Insulation shield shall be a five-mil copper tape applied helically with minimum 25 percent overlap.
<br />3. Jacket: Continuous jacket of moisture, heat, oil resistant black polyvinyl chloride shall be applied over insulation and shielding
<br />system. Minimum thickness of jacket shall be in accordance with ICEA.
<br />D. Cable Connectors:
<br />1. Connectors shall be copper, tin-plated, long-barrel compression type and suitable for voltage applications up to 35 KV.
<br />2. For sizes 250 MCM and larger, connectors shall be two-hole mount type with provisions for two bolts for joining to apparatus
<br />terminal.
<br />3. Manufacturers: Provide products of one of the following:
<br />a. FCI-Burndy.
<br />b. T&B Connectors.
<br />c. Or pre-approved equal.
<br />E. Cable Terminations:
<br />1. Cable terminations shall comply with Class 1 requirements of IEEE 48.
<br />2. Terminations shall be molded elastomer, cold-shrinkable types with grounding provisions for cable shielding.
<br />3. Manufacturers: Provide products of one of the following:
<br />a. Elastimold.
<br />b. G&W Electric Company.
<br />c. Raychem Corporation.
<br />d. 3M Company.
<br />e. Or pre-approved equal.
<br />F. Cable Splices:
<br />1. Make cable splices using standard splice kits that reinstate cable’s insulation and jacket and continue metallic shielding through
<br />entire cable joint.
<br />2. Splices shall be premolded, cold-shrinkable types.
<br />3. Manufacturers: Provide products of one of the following:
<br />a. Elastimold.
<br />b. G&W Electric Company.
<br />c. Raychem Corporation.
<br />d. 3M Company.
<br />e. Or pre-approved equal.
<br />G. Pulling Compound:
<br />1. Provide pulling compound to facilitate wiring pulling. Compound shall be UL-listed, waxed or water based type. Compound shall be
<br />compatible with all jacket types.
<br />2. Pulling tension coefficient of friction shall not exceed 0.35.
<br />3. Use winter-grade compound for outdoor, low-temperature installations.
<br />4. Manufacturers: Provide products of one of the following:
<br />a. Ideal Industries.
<br />b. Greenlee.
<br />c. Or pre-approved equal.
<br />F. Fireproofing Tape for Cables in Manholes, Handholes, and Boxes:
<br />1. Tape shall be 30-mils thick of self-extinguishing material that does not support combustion. Tape shall not deteriorate when
<br />subjected to water, salt, sewage, or fungus
<br />2. Secure tape with glass cloth tape.
<br />G. Color code cables by applying general purpose, flame-retardant tape, wrapped in overlapping turns covering an area of at least two
<br />inches. Colors shall be as follows:
<br />1. Phase A: Black.
<br />2. Phase B: Red.
<br />3. Phase C: Blue.
<br />4. Shield: Silver Braided.
<br />5. Equipment Ground (Insulated): Green
<br />2.2 SOURCE QUALITY CONTROL
<br />A. Factory Testing:
<br />1. Cables shall be factory tested in accordance with testing standards of ICEA and UL.
<br />2. Conductors shall comply with electrical resistance requirements of ICEA.
<br />3. Perform insulation resistance test in accordance with ICEA. Each cable shall have an insulation resistance not less than that
<br />corresponding to insulation resistance constant of 20,000 megohms-1000 feet at 15.6 deg C.
<br />4. Perform high voltage AC test in accordance with ICEA.
<br />5. Measure and record shield resistance from end to end on completed cable.
<br />6. Corona Test: Each reel of completed shielded power cable shall be partial discharge tested in accordance with ICEA.
<br />7. Record cable physical measurements.
<br />PART 3 – EXECUTION
<br />3.1 INSTALLATION
<br />A. Install cables complete with proper terminations at both ends. Check for proper phase sequence and proper motor rotation.
<br />B. Splice and terminate medium voltage cables in accordance with cable manufacturer’s recommendations.
<br />1. Use experienced personnel familiar with materials and procedures to be employed.
<br />2. Make splices watertight for below-grade installations, and submersible in manholes and handholes.
<br />C. Pulling:
<br />1. Use insulating types of pulling compounds containing no mineral oil.
<br />2. Pulling tension shall be within limits recommended by cable manufacturer.
<br />3. Use dynamometer when mechanical means are used.
<br />4. Cut off section subject to mechanical means.
<br />D. Bending Radius: Limit to twelve times cable overall diameter.
<br />E. Slack: Provide maximum slack at terminal points and in manholes.
<br />F. Wrap cables located within manholes, handholes, and boxes with fireproofing tape for cable’s entire length for each individual cable.
<br />Secure fireproofing tape with glass cloth tape. Fireproof cables in accordance with cable manufacturer’s recommendations, and cover cables
<br />with tape extending at least one inch into each duct.
<br />G. Identification: Identify cable conductors at each terminal, manhole and splice location. Identification tags shall be laminated thermoset
<br />plastic, 1/16-inch thick, engraved block white letters on black background, square corners, and beveled front edges. Tag shall be secured to
<br />cable using non-conductive tie-wraps.
<br />H. Each MV cable identification tag shall include the following information;
<br />1. Manufacturer
<br />2. Cable Size
<br />3. Voltage Rating
<br />4. Date installed (MM/YY)
<br />5. From-To Location (Ex: 1A1 to 1A2)
<br />6. Loop number
<br />7. Circuit number
<br />8. Phase I.D. (Ex. Ph.A or Ph.A-C)
<br />3.2 FIELD QUALITY CONTROL
<br />A. Tests and Inspections:
<br />1. Perform acceptance testing of medium voltage cable system. Each cable circuit shall be inspected and tested on an individual, per-
<br />phase basis. Testing and inspection shall be performed by independent testing agency.
<br />2. Visual and Mechanical Inspection: Inspect each power cable installation in accordance with NETA acceptable testing specifications.
<br />Inspect each splice and termination.
<br />3. Electrical Tests: Perform electrical testing of each power cable in accordance with NETA testing procedures and recommendations
<br />of independent testing agency. Testing shall include:
<br />a. Shield continuity test.
<br />b. DC or AC high potential test.
<br />c. Adhere to following procedures before performing over-potential tests:
<br />1) Disconnect all equipment, including but not limited to: transformers, switches, motors, circuit breakers, and surge arrestors
<br />from cable circuit to prevent test interruptions due to flashovers or trip-outs resulting from excessive leakage current.
<br />2) Establish adequate clearance between circuit test ends and grounded objects and to other equipment not under test.
<br />3) Ground all circuit conductors not being tested, all cables shields, and nearby equipment.
<br />4) Clean insulation surfaces.
<br />5) Keep cable ends dry.
<br />d. Apply high-potential slowly in eight to ten equal steps to 80 percent of manufacturer’s test value. Record leakage current at each
<br />test voltage and plot resulting curve on graph paper.
<br />e. Stop the test if leakage current increases excessively or if a “knee” appears in the curve before reaching maximum test voltage.
<br />f. Upon reaching specified maximum test voltage, maintain voltage for 15 minutes, record leakage current at 30 seconds, one
<br />minute, and at one-minute intervals thereafter. Plot leakage current versus time on the same graph as step voltage curve.
<br />g. Reduce conductor test potential to zero and measure residual voltage at discrete intervals.
<br />h. Apply grounds for a time period adequate to drain all insulation stored charge.
<br />i. Repair or replace and retest new cable that fails tests.
<br />j. Test curves shall be signed by the individual performing tests and submitted to the CONTRACTING OFFICER.
<br />4. Where existing cables are spliced to cables provided under this Contract, new cable shall be high-potential tested prior to splicing.
<br />After acceptance of test of new cable, make the splice and insulation-resistance test entire cable. Perform shield continuity test. When
<br />tests are positive, perform high-potential test. Test voltage and procedures shall be in accordance with NETA and independent testing
<br />agency recommendations. Cable failures shall be brought to attention of the CONTRACTING OFFICER in writing.
<br />B. Cable Tension Field Quality Control: Testing and Supplier Services:
<br />1. Provide services at the Site during cable installation to ensure that cable tensions are not exceeded. Provide cable splicing when
<br />tension exceeds cable manufacturer’s recommendations.
<br />2. Provide services of cable manufacturer’s representative to prepare cable pulling calculations. Manufacturer’s representative shall
<br />inspect, monitor, and assist in cable installation, and shall certify that cables have been correctly installed.
<br />3. Required field services include:
<br />a. Document, with assistance of manufacturer’s representative, actual conduit installation parameters needed to prepare cable
<br />pulling calculations.
<br />b. Prepare pulling calculations in advance of cable installation.
<br />c. Monitor actual pulling tensions during installation to ensure that recommended tensions are not exceeded.
<br />d. Certify jointly with manufacturer’s representativ e that cable installation is in accordance with cable manufacturer’s
<br />recommendations.
<br />4. Provide equipment, coordinate, and identify information necessary to ensure proper installation of cables. Contract Price shall
<br />include all costs associated with equipment, coordination, and identification of all information necessary for complete, functional system.
<br />END OF SECTION 26 05 13
<br />SECTION 26 05 19 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />A. Section Includes:
<br />1. Copper building wire rated 600 V or less.
<br />2. Connectors, splices, and terminations rated 600 V and less.
<br />1.2 DEFINITIONS
<br />A. RoHS: Restriction of Hazardous Substances.
<br />B. VFC: Variable-frequency controller.
<br />1.3 ACTION SUBMITTALS
<br />A. Product Data: For each type of product.
<br />B. Sustainable Design Submittals:
<br />1. Product Data: For each conductor and cable indicating lead content.
<br />2. Product Data: For recycled content, indicating postconsumer and preconsumer recycled content and cost.
<br />3. Product Data: For solvents and adhesives, indicating VOC content.
<br />4. Laboratory Test Reports: For solvents and adhesives, indicating compliance with requirements for low-emitting materials.
<br />1.4 INFORMATIONAL SUBMITTALS
<br />A. Qualification Data: For testing agency.
<br />B. Field quality-control reports.
<br />1.5 QUALITY ASSURANCE
<br />A. Testing Agency Qualifications: Member company of NETA.
<br />1. Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.
<br />PART 2 - PRODUCTS
<br />2.1 COPPER WIRE
<br />A. Description: Flexible, insulated and uninsulated, drawn copper current-carrying conductor with an overall insulation layer or jacket, or
<br />both, rated 600 V or less.
<br />B. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the
<br />Work include, but are not limited to, the following:
<br />1. Alpha Wire Company.
<br />2. American Bare Conductor.
<br />3. Belden Inc.
<br />4. Encore Wire Corporation.
<br />5. General Cable Technologies Corporation.
<br />6. Okonite Company (The).
<br />7. Service Wire Co.
<br />8. Southwire Company.
<br />9. WESCO.
<br />C. Standards:
<br />1. Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.
<br />2. RoHS compliant.
<br />3. Conductor and Cable Marking: Comply with wire and cable marking according to UL's "Wire and Cable Marking and Application
<br />Guide."
<br />D. Conductors: Copper, complying with ASTM B 3 for bare annealed copper and with ASTM B 8 for stranded conductors.
<br />E. Conductor Insulation:
<br />1. Type RHH and Type RHW-2: Comply with UL 44.
<br />2. Type USE-2 and Type SE: Comply with UL 854.
<br />3. Type TC-ER: Comply with NEMA WC 70/ICEA S-95-658 and UL 1277.
<br />4. Type THHN and Type THWN-2: Comply with UL 83.
<br />5. Type THW and Type THW-2: Comply with NEMA WC-70/ICEA S-95-658 and UL 83.
<br />6. Type UF: Comply with UL 83 and UL 493.
<br />7. Type XHHW-2: Comply with UL 44.
<br />8. Type EVE and Type EVJE: Comply with UL 62
<br />F. Shield:
<br />1. Type TC-ER: Cable designed for use with VFCs, with oversized crosslinked polyethylene insulation, spiral-wrapped foil plus 85
<br />percent coverage braided shields and insulated full-size ground wire, and sunlight- and oil-resistant outer PVC jacket.
<br />PART 3 - EXECUTION
<br />3.1 CONDUCTOR MATERIAL APPLICATIONS
<br />A. Feeders: Copper; solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.
<br />B. Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.
<br />C. Branch Circuits: Copper. Solid for No. 12 AWG and smaller; stranded for No. 10 AWG and larger.
<br />3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS
<br />A. Service Entrance: Type THHN/THWN-2, single conductors in raceway Type XHHW-2, single conductors in raceway
<br />B. Feeders Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN/THWN-2, single conductors in raceway
<br />Type XHHW-2, single conductors in raceway.
<br />C. EV Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN/THWN-2, single conductors in
<br />raceway, Type XHHW-2, single conductors in raceway.
<br />D. EV Branch Circuits above ground: Type XHHW-2 , multi-conductor cable in raceway or cable tray per plans.
<br />E. Non-EV Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN/THWN-2, single conductors
<br />in raceway Type XHHW-2, single conductors in raceway.
<br />3.3 INSTALLATION OF CONDUCTORS AND CABLES
<br />A. Conceal cables in finished walls, ceilings, and floors unless otherwise indicated.
<br />B. Complete raceway installation between conductor and cable termination points according to Section 260533 "Raceways and Boxes
<br />for Electrical Systems" prior to pulling conductors and cables.
<br />C. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or
<br />insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.
<br />D. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will not damage cables or raceway.
<br />E. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where
<br />possible.
<br />F. Support cables according to Section 260529 "Hangers and Supports for Electrical Systems."
<br />3.4 CONNECTIONS
<br />A. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque
<br />values are not indicated, use those specified in UL 486A-486B.
<br />B. Make splices, terminations, and taps that are compatible with conductor material.
<br />3.5 IDENTIFICATION
<br />A. Identify and color-code conductors and cables according to Section 26 05 53 "Identification for Electrical Systems."
<br />B. Identify each spare conductor at each end with identity number and location of other end of conductor, and identify as spare
<br />conductor.
<br />3.6 SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS
<br />A. Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply with requirements in Section 260544
<br />"Sleeves and Sleeve Seals for Electrical Raceways and Cabling."
<br />3.7 FIRESTOPPING
<br />A. Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore original fire-resistance rating of
<br />assembly.
<br />END OF SECTION 26 05 19
<br />SECTION 26 05 26 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 RELATED DOCUMENTS
<br />A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification
<br />Sections, apply to this Section.
<br />1.2 SUMMARY
<br />A. Section includes grounding and bonding systems and equipment.
<br />B. Section includes grounding and bonding systems and equipment, plus the following special applications:
<br />1. Underground distribution grounding.
<br />2. Foundation steel electrodes.
<br />1.3 ACTION SUBMITTALS
<br />A. Product Data: For each type of product indicated.
<br />1.4 INFORMATIONAL SUBMITTALS
<br />A. Field quality-control reports.
<br />1.5 CLOSEOUT SUBMITTALS
<br />1.6 QUALITY ASSURANCE
<br />PART 2 - PRODUCTS
<br />2.1 SYSTEM DESCRIPTION
<br />A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and
<br />marked for intended location and application.
<br />B. Comply with UL 467 for grounding and bonding materials and equipment.
<br />2.2 MANUFACTURERS
<br />A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the
<br />Work include, but are not limited to, the following:
<br />1. Advanced Lightning Technology, Ltd.
<br />2. Burndy; Part of Hubbell Electrical Systems.
<br />3. ERICO International Corporation.
<br />4. ILSCO.
<br />5. Siemens Industry, Inc., Energy Management Division.
<br />6. Thomas & Betts Corporation; A Member of the ABB Group.
<br />2.3 CONDUCTORS
<br />A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having
<br />jurisdiction.
<br />B. Bare Copper Conductors:
<br />1. Solid Conductors: ASTM B 3.
<br />2. Stranded Conductors: ASTM B 8.
<br />3. Bonding Jumper: Copper tape, braided conductors terminated with copper ferrules; 1-5/8 inches wide and 1/16 inch thick.
<br />C. Lead Content: Less than 300 parts per million.
<br />2.4 CONNECTORS
<br />A. Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and
<br />combinations of conductors and other items connected.
<br />B. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation
<br />conditions.
<br />C. Bus-Bar Connectors: Mechanical type, cast silicon bronze, solderless compression-type wire terminals, and long-barrel, two-bolt
<br />connection to ground bus bar.
<br />D. Bus-Bar Connectors: Compression type, copper or copper alloy, with two wire terminals.
<br />E. Beam Clamps: Mechanical type, terminal, ground wire access from four directions, with dual, tin-plated or silicon bronze bolts.
<br />F. Cable-to-Cable Connectors: Compression type, copper or copper alloy.
<br />G. Cable Tray Ground Clamp: Mechanical type, zinc-plated malleable iron.
<br />H. Conduit Hubs: Mechanical type, terminal with threaded hub.
<br />I. Ground Rod Clamps: Mechanical type, copper or copper alloy, terminal with hex head bolt.
<br />J. Ground Rod Clamps: Mechanical type, copper or copper alloy, terminal with hex head bolt.
<br />K. Lay-in Lug Connector: Mechanical type, copper rated for direct burial terminal with set screw.
<br />L. Service Post Connectors: Mechanical type, bronze alloy terminal, in short- and long-stud lengths, capable of single and double conductor
<br />connections.
<br />M. Signal Reference Grid Clamp: Mechanical type, stamped-steel terminal with hex head screw.
<br />N. Straps: Solid copper, copper lugs. Rated for 600 A.
<br />O. Tower Ground Clamps: Mechanical type, copper or copper alloy, terminal one-piece clamp.
<br />P. U-Bolt Clamps: Mechanical type, copper or copper alloy, terminal listed for direct burial.
<br />Q. Water Pipe Clamps:
<br />1. Mechanical type, two pieces with zinc-plated bolts.
<br />a. Material: Tin-plated aluminum.
<br />b. Listed for direct burial.
<br />2. U-bolt type with malleable-iron clamp and copper ground connector rated for direct burial.
<br />R. Lead Content: Less than 300 parts per million.
<br />2.5 GROUNDING ELECTRODES
<br />A. Ground Rods: Copper-clad steel, sectional type; 3/4 inch by 10 feet.
<br />B. Ground Plates: 1/4 inch thick, hot-dip galvanized.
<br />PART 3 - EXECUTION
<br />3.1 APPLICATIONS
<br />A. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded conductors for No. 6 AWG and larger unless otherwise
<br />indicated.
<br />B. Underground Grounding Conductors: Install bare tinned-copper conductor, No. 3/0 AWG minimum.
<br />1. Bury at least 24 inches below grade.
<br />C. Grounding Bus: Install in electrical equipment rooms, in rooms housing service equipment, and elsewhere as indicated.
<br />1. Install bus horizontally, on insulated spacers 2 inches minimum from wall, 6 inches above finished floor unless otherwise indicated.
<br />2. Where indicated on both sides of doorways, route bus up to top of door frame, across top of doorway, and down; connect to horizontal
<br />bus.
<br />D. Conductor Terminations and Connections:
<br />1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors.
<br />2. Underground Connections: Welded connectors except at test wells and as otherwise indicated.
<br />3. Connections to Ground Rods at Test Wells: Bolted connectors.
<br />4. Connections to Structural Steel: Welded connectors.
<br />3.2 GROUNDING AT THE SERVICE
<br />A. Equipment grounding conductors and grounding electrode conductors shall be connected to the ground bus. Install a main bonding jumper
<br />between the neutral and ground buses.
<br />3.3 GROUNDING SEPARATELY DERIVED SYSTEMS
<br />A. Generator: Install grounding electrode(s) at the generator location. The electrode shall be connected to the equipment grounding conductor
<br />and to the frame of the generator.
<br />3.4 GROUNDING UNDERGROUND DISTRIBUTION SYSTEM COMPONENTS
<br />A. Comply with IEEE C2 grounding requirements.
<br />B. Pad-Mounted Transformers and Switches: Refer to plans.
<br />3.5 INSTALLATION
<br />A. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise indicated or required by Code. Avoid
<br />obstructing access or placing conductors where they may be subjected to strain, impact, or damage.
<br />B. Ground Rods: Drive rods until tops are 2 inches below finished floor or final grade unless otherwise indicated.
<br />1. Interconnect ground rods with grounding electrode conductor below grade and as otherwise indicated. Make connections without
<br />exposing steel or damaging coating if any.
<br />2. Use exothermic welds for all below-grade connections.
<br />3. For grounding electrode system, install at least three rods spaced at least one-rod length from each other and located at least the
<br />same distance from other grounding electrodes, and connect to the service grounding electrode conductor.
<br />C. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance except where routed through short lengths of
<br />conduit.
<br />1. Bonding to Structure: Bond straps directly to basic structure, taking care not to penetrate any adjacent parts.
<br />2. Bonding to Equipment Mounted on Vibration Isolation Hangers and Supports: Install bonding so vibration is not transmitted to rigidly
<br />mounted equipment.
<br />3. Use exothermic-welded connectors for outdoor locations; if a disconnect-type connection is required, use a bolted clamp.
<br />D. Grounding and Bonding for Piping:
<br />1. Metal Water Service Pipe: Install insulated copper grounding conductors, in conduit, from building's main service equipment, or
<br />grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes; use a
<br />bolted clamp connector or bolt a lug-type connector to a pipe flange by using one of the lug bolts of the flange. Where a dielectric main
<br />water fitting is installed, connect grounding conductor on street side of fitting. Bond metal grounding conductor conduit or sleeve to
<br />conductor at each end.
<br />2. Bond each aboveground portion of gas piping system downstream from equipment shutoff valve.
<br />E. Grounding for Steel Building Structure: Install a driven ground rod at base of each corner column and at intermediate exterior columns at
<br />distances not more than 60 feet apart.
<br />F. Concrete-Encased Grounding Electrode (Ufer Ground): Fabricate according to NFPA 70; use a minimum of 20 feet of bare copper
<br />conductor not smaller than No. 4 AWG.
<br />1. If concrete foundation is less than 20 feet long, coil excess conductor within base of foundation.
<br />2. Bond grounding conductor to reinforcing steel in at least four locations and to anchor bolts. Extend grounding conductor below grade
<br />and connect to building's grounding grid or to grounding electrode external to concrete.
<br />G. Connections: Make connections so possibility of galvanic action or electrolysis is minimized. Select connectors, connection hardware,
<br />conductors, and connection methods so metals in direct contact are galvanically compatible.
<br />1. Use electroplated or hot-tin-coated materials to ensure high conductivity and to make contact points closer in order of galvanic series.
<br />2. Make connections with clean, bare metal at points of contact.
<br />3. Make aluminum-to-steel connections with stainless-steel separators and mechanical clamps.
<br />4. Make aluminum-to-galvanized-steel connections with tin-plated copper jumpers and mechanical clamps.
<br />5. Coat and seal connections having dissimilar metals with inert material to prevent future penetration of moisture to contact surfaces.
<br />3.6 FIELD QUALITY CONTROL
<br />A. Testing Agency: Engage a qualified testing agency to perform tests and inspections.
<br />B. Tests and Inspections:
<br />1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements.
<br />2. Inspect physical and mechanical condition. Verify tightness of accessible, bolted, electrical connections with a calibrated torque
<br />wrench according to manufacturer's written instructions.
<br />3. Test completed grounding system at each location where a maximum ground-resistance level is specified, at service disconnect
<br />enclosure grounding terminal, and at individual ground rods. Make tests at ground rods before any conductors are connected.
<br />a. Measure ground resistance no fewer than two full days after last trace of precipitation and without soil being moistened by any
<br />means other than natural drainage or seepage and without chemical treatment or other artificial means of reducing natural ground
<br />resistance.
<br />b. Perform tests by fall-of-potential method according to IEEE 81.
<br />4. Prepare dimensioned Drawings locating each test well, ground rod and ground-rod assembly, and other grounding electrodes. Identify
<br />each by letter in alphabetical order, and key to the record of tests and observations. Include the number of rods driven and their depth at
<br />each location, and include observations of weather and other phenomena that may affect test results. Describe measures taken to improve
<br />test results.
<br />C. Grounding system will be considered defective if it does not pass tests and inspections.
<br />D. Prepare test and inspection reports.
<br />E. Report measured ground resistances that exceed the following values:
<br />1. Power and Lighting Equipment or System with Capacity of 500 kVA and Less: 10.
<br />2. Power and Lighting Equipment or System with Capacity of 500 to 1000 kVA: 5 ohms.
<br />3. Power and Lighting Equipment or System with Capacity More Than 1000 kVA: 3 ohms.
<br />4. Substations and Pad-Mounted Equipment: 5 ohms.
<br />5. Manhole Grounds: 10 ohms.
<br />F. Excessive Ground Resistance: If resistance to ground exceeds specified values, notify Architect promptly and include recommendations to
<br />reduce ground resistance.
<br />END OF SECTION 26 05 26
<br />SECTION 26 05 29 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 RELATED DOCUMENTS
<br />A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections,
<br />apply to this Section.
<br />1.2 SUMMARY
<br />A. Section Includes:
<br />1. Aluminum slotted support systems.
<br />2. Nonmetallic slotted support systems.
<br />3. Conduit and cable support devices.
<br />4. Support for conductors in vertical conduit.
<br />5. Mounting, anchoring, and attachment components, including powder-actuated fasteners, mechanical expansion anchors, concrete
<br />inserts, clamps, through bolts, toggle bolts, and hanger rods.
<br />1.3 ACTION SUBMITTALS
<br />A. Product Data: For each type of product.
<br />1. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for the following:
<br />a. Slotted support systems, hardware, and accessories.
<br />b. Clamps.
<br />c. Hangers.
<br />d. Sockets.
<br />e. Eye nuts.
<br />f. Fasteners.
<br />g. Anchors.
<br />h. Saddles.
<br />i. Brackets.
<br />2. Include rated capacities and furnished specialties and accessories.
<br />PART 2 - PRODUCTS
<br />2.1 PERFORMANCE REQUIREMENTS
<br />2.2 SUPPORT, ANCHORAGE, AND ATTACHMENT COMPONENTS
<br />A. Aluminum Slotted Support Systems: Extruded-aluminum channels and angles with minimum 13/32-inch- diameter holes at a maximum
<br />of 8 inches o.c. in at least one surface.
<br />1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into
<br />the Work include, but are not limited to, the following:
<br />a. Cooper Industries, Inc.
<br />b. Flex-Strut Inc.
<br />c. Thomas & Betts Corporation; A Member of the ABB Group.
<br />d. Unistrut; Part of Atkore International.
<br />2. Standard: Comply with MFMA-4 factory-fabricated components for field assembly.
<br />3. Channel Material: 6063-T5 aluminum alloy.
<br />4. Fittings and Accessories Material: 5052-H32 aluminum alloy.
<br />5. Channel Width: Selected for applicable load criteria.
<br />6. Nonmetallic Coatings: Manufacturer's standard PVC, polyurethane, or polyester coating applied according to MFMA-4.
<br />7. Painted Coatings: Manufacturer's standard painted coating applied according to MFMA-4.
<br />8. Protect finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.
<br />B. Nonmetallic Slotted Support Systems: Structural-grade, factory-formed, glass-fiber-resin channels and angles with minimum 13/32-
<br />inch- diameter holes at a maximum of 8 inches o.c., in at least one surface.
<br />1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into
<br />the Work include, but are not limited to, the following:
<br />a. Allied Tube & Conduit; a part of Atkore International.
<br />b. B-line, an Eaton business.
<br />c. G-Strut.
<br />d. Seasafe, Inc.; AMICO, a Gibraltar Industries Company.
<br />2. Standard: Comply with MFMA-4 factory-fabricated components for field assembly.
<br />3. Channel Width: Selected for applicable load criteria.
<br />4. Fittings and Accessories: Products provided by channel and angle manufacturer and designed for use with those items.
<br />5. Fitting and Accessory Materials: Same as those for channels and angles, except metal items may be stainless steel.
<br />6. Rated Strength: Selected to suit applicable load criteria.
<br />7. Protect finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipping.
<br />C. Conduit and Cable Support Devices: Steel hangers, clamps, and associated fittings, designed for types and sizes of raceway or cable
<br />to be supported.
<br />D. Support for Conductors in Vertical Conduit: Factory-fabricated assembly consisting of threaded body and insulating wedging plug or
<br />plugs for nonarmored electrical conductors or cables in riser conduits. Plugs shall have number, size, and shape of conductor gripping
<br />pieces as required to suit individual conductors or cables supported. Body shall be made of malleable iron.
<br />E. Mounting, Anchoring, and Attachment Components: Items for fastening electrical items or their supports to building surfaces include
<br />the following:
<br />1. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete, steel, or wood, with tension,
<br />shear, and pullout capacities appropriate for supported loads and building materials where used.
<br />a. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated
<br />into the Work include, but are not limited to, the following:
<br />1) Hilti, Inc.
<br />2) ITW Ramset/Red Head; Illinois Tool Works, Inc.
<br />3) MKT Fastening, LLC.
<br />4) Simpson Strong-Tie Co., Inc.
<br />2. Mechanical-Expansion Anchors: Insert-wedge-type, zinc-coated steel, for use in hardened portland cement concrete, with tension,
<br />shear, and pullout capacities appropriate for supported loads and building materials where used.
<br />a. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated
<br />into the Work include, but are not limited to, the following:
<br />1) B-line, an Eaton business.
<br />2) Empire Tool and Manufacturing Co., Inc.
<br />3) Hilti, Inc.
<br />4) ITW Ramset/Red Head; Illinois Tool Works, Inc.
<br />5) MKT Fastening, LLC.
<br />3. Concrete Inserts: Steel or malleable-iron, slotted support system units are similar to MSS Type 18 units and comply with MFMA-4
<br />or MSS SP-58.
<br />4. Clamps for Attachment to Steel Structural Elements: MSS SP-58 units are suitable for attached structural element.
<br />5. Through Bolts: Structural type, hex head, and high strength. Comply with ASTM A 325.
<br />6. Toggle Bolts: All-steel springhead type.
<br />7. Hanger Rods: Threaded steel.
<br />PART 3 - EXECUTION
<br />3.1 APPLICATION
<br />A. Comply with the following standards for application and installation requirements of hangers and supports, except where requirements
<br />on Drawings or in this Section are stricter:
<br />1. NECA 1.
<br />2. NECA 101
<br />3. NECA 102.
<br />4. NECA 105.
<br />5. NECA 111.
<br />B. Comply with requirements for raceways and boxes specified in Section 260533 "Raceways and Boxes for Electrical Systems."
<br />C. Maximum Support Spacing and Minimum Hanger Rod Size for Raceways: Space supports for EMT, IMC, and RMC as required by
<br />NFPA 70. Minimum rod size shall be 1/4 inch in diameter.
<br />D. Multiple Raceways or Cables: Install trapeze-type supports fabricated with steel slotted or other support system, sized so capacity can
<br />be increased by at least 10 percent in future without exceeding specified design load limits.
<br />1. Secure raceways and cables to these supports with single-bolt conduit clamps single-bolt conduit clamps using spring friction
<br />action for retention in support channel.
<br />E. Spring-steel clamps designed for supporting single conduits without bolts may be used for 1-1/2-inch and smaller raceways serving
<br />branch circuits and communication systems above suspended ceilings, and for fastening raceways to trapeze supports.
<br />3.2 SUPPORT INSTALLATION
<br />A. Comply with NECA 1 and NECA 101 for installation requirements except as specified in this article.
<br />B. Raceway Support Methods: In addition to methods described in NECA 1, EMT IMC and RMC may be supported by openings through
<br />structure members, according to NFPA 70.
<br />C. Strength of Support Assemblies: Where not indicated, select sizes of components so strength will be adequate to carry present and
<br />future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported
<br />components plus 200 lb.
<br />D. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten electrical items and their supports to
<br />building structural elements by the following methods unless otherwise indicated by code:
<br />1. To Wood: Fasten with lag screws or through bolts.
<br />2. To New Concrete: Bolt to concrete inserts.
<br />3. To Masonry: Approved toggle-type bolts on hollow masonry units and expansion anchor fasteners on solid masonry units.
<br />4. To Existing Concrete: Expansion anchor fasteners.
<br />5. Instead of expansion anchors, powder-actuated driven threaded studs provided with lock washers and nuts may be used in
<br />existing standard-weight concrete 4 inches thick or greater. Do not use for anchorage to lightweight-aggregate concrete or for slabs
<br />less than 4 inches thick.
<br />6. To Steel: Welded threaded studs complying with AWS D1.1/D1.1M, with lock washers and nuts.
<br />7. To Light Steel: Sheet metal screws.
<br />8. Items Mounted on Hollow Walls and Nonstructural Building Surfaces: Mount cabinets, panelboards, disconnect switches, control
<br />enclosures, pull and junction boxes, transformers, and other devices on slotted-channel racks attached to substrate by means that
<br />comply with seismic-restraint strength and anchorage requirements.
<br />E. Drill holes for expansion anchors in concrete at locations and to depths that avoid the need for reinforcing bars.
<br />3.3 INSTALLATION OF FABRICATED METAL SUPPORTS
<br />A. Comply with installation requirements in Section 055000 "Metal Fabrications" for site-fabricated metal supports.
<br />B. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor electrical
<br />materials and equipment.
<br />C. Field Welding: Comply with AWS D1.1/D1.1M.
<br />3.4 CONCRETE BASES
<br />A. Construct concrete bases of dimensions indicated, but not less than 4 inches larger in both directions than supported unit, and so
<br />anchors will be a minimum of 10 bolt diameters from edge of the base.
<br />B. Concrete materials, reinforcement, and placement requirements are specified in Section 033000 "Cast-in-Place Concrete."
<br />C. Anchor equipment to concrete base as follows:
<br />1. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams,
<br />instructions, and directions furnished with items to be embedded.
<br />2. Install anchor bolts to elevations required for proper attachment to supported equipment.
<br />3. Install anchor bolts according to anchor-bolt manufacturer's written instructions.
<br />END OF SECTION 26 05 29
<br />SECTION 26 05 33 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS
<br />PART 1 - GENERAL
<br />1.1 RELATED DOCUMENTS
<br />A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification
<br />Sections, apply to this Section.
<br />1.2 SUMMARY
<br />A. Section Includes:
<br />1. Metal conduits and fittings.
<br />2. Nonmetallic conduits and fittings.
<br />3. Boxes, enclosures, and cabinets.
<br />4. Handholes and boxes for exterior underground cabling.
<br />1.3 DEFINITIONS
<br />A. ARC: Aluminum rigid conduit.
<br />B. GRC: Galvanized rigid steel conduit.
<br />C. IMC: Intermediate metal conduit.
<br />1.4 ACTION SUBMITTALS
<br />A. Product Data: For surface raceways, wireways and fittings, floor boxes, hinged-cover enclosures, and cabinets.
<br />448 South Hill Street
<br />Suite 1001
<br />Los Angeles, CA 90013
<br />Phone: 310-975-2061
<br />Reviewed By:Proj #:
<br />140 Newport Center Drive,
<br />Suite 100
<br />Newport Beach, CA 92660
<br />O: 949.478.8800
<br />www.kpff.com
<br />KPFF
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<br />EV9.01
<br />SPECIFICATIONS -
<br />ELECTRICAL
<br />DLX8_EVSG
<br />515 E Dyer Rd, Santa Ana, CA 92707
<br />Owner
<br />NM23.0003320.000
<br />1416 NW 46TH Street
<br />Suite 105-138
<br />Seattle, WA 98107
<br />WWW.NELSONWORLDWIDE.COM
<br />Phone: (206) 408-8501
<br />Nelco Architecture, Inc.
<br />Issue: No: Date:
<br />CD 30 2023/11/03
<br />CD 50 2024/05/22
<br />CD 90 2025/03/07
<br />Issue for Permit 2025/04/17
<br />2025/04/17
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