Art. 804.04 Electrical Service Installation - Lighting
b.Underground Electric Service.
1.Ground Mounted Service. The ground mounted service shall be installed on a corrosion resistant pedestal or structure with a service disconnect switch, meter base (if required), and all appurtenances to complete the installation.
2.Pole Mounted Service. The service shall be installed on a 12 ft (3.7 m) wood pole on which the meter base (if required) and service disconnect switch shall be channel mounted. The wood pole shall be installed according to Article 830.03(c), except the pole shall be plumb.
c.Conduit Protection. Feeder conductors in PVC conduit on the service pole or structure shall be protected by a galvanized steel “U” guard. When on a pole, the “U” guard shall be attached to the pole with 3/8 in. x 3 in. (M10 x 75 mm) galvanized steel lag bolts.
804.05 Basis of Payment. This work will be paid for at the contract unit price
per each for ELECTRIC SERVICE INSTALLATION. For aerial electric service, work on the utility side of the weatherhead at the service pole will be paid for according to Article 109.04 when not provided by the utility company. For underground electric service, work on the utility side of the service pole, pedestal, or structure where the service cables penetrate the ground will be paid for according to Article 109.04 when not provided by the utility company. Any charges by the utility company to provide electrical service will be paid for according to Article 109.05. SECTION 805. ELECTRICAL SERVICE INSTALLATION - TRAFFIC SIGNALS
805.01 Description. This work shall consist of furnishing and installing an
electrical service installation. Type A service installation shall include one weather-head, one ground rod, one meter pan, one circuit breaker, one weatherproof enclosure, galvanized steel conduit, nonmetallic conduit, conduit clamps, lag screws, electric cables of the type and size specified by local utility company, and other miscellaneous items. The meter will be furnished by the utility company. Type B service installation shall be according to the Type A service installation, except no meter will be installed. Type C service installation shall include one weatherproof enclosure, one circuit breaker, one weather-head, one ground rod, galvanized steel conduit, conduit clamps, lag screws, electric cables of the type and size specified by a local utility company, and other miscellaneous items. The Contractor shall make connections to the line side of the circuit breaker, and coil the remainder above the junction box for Grounding Art. 806.03 installation by the utility company. No separate grounding of weatherproof enclosure will be installed, unless it is required by the utility company.
805.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Weatherhead ................................................................................. 1086.02(a)
b.Circuit Breaker and Weatherproof Enclosure ................................ 1086.02(b)
c.Grounding ...................................................................................... 1086.02(c)
d.Wood Pole ......................................................................................... 1069.04 CONSTRUCTION REQUIREMENTS
805.03 Installation. The service installation shall be installed according to the
details shown on the plans. Exceptions will be made to comply with the local utility company’s standard practices. When a service pole is necessary, it shall be installed according to Article 830.03(c).
805.04 Basis of Payment. This work will be paid for at the contract unit price
per each for SERVICE INSTALLATION, of the type specified. Any charges by the utility company to provide electrical service to the service installation will be paid for according to Article 109.05. SECTION 806. GROUNDING
806.01 Description. This work shall consist of furnishing and installing a
grounding electrode(s) and connecting the grounding electrode(s) by means of a grounding electrode conductor.
806.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Grounding Electrode Conductors ................................................... 1087.01(a)
b.Grounding Electrodes .................................................................... 1087.01(b)
c.Access Wells ................................................................................. 1087.01(c) CONSTRUCTION REQUIREMENTS
806.03 Grounding Electrodes. Cast-in-place concrete foundations shall
have a grounding electrode installed through the concrete foundation, as shown on the plans. Other grounding applications shall have a grounding electrode installed 18 in. (450 mm) below grade. The grounding electrode conductor shall be attached to the grounding electrode by a mechanical ground clamp, except in an access well where an exothermic weld connection shall be made. Access well installed grounding electrodes shall be installed 12 in. (300 mm) below grade and filled with crushed stone from 4 in. (100 mm) below the exothermic connection to a point 20 in. (500 mm) below grade.
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 699–700 of 1,217. View official source ↗