Item 18 - Traffic Signal Installation at Segerstrom Avenue and Rosewood Avenue

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: 25-6030 TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD AVENUE 4.15 CONDUIT Traffic signal, interconnect communications, and roadway lighting conduit shall conform to the provisions in Section 86-1.02B, "Conduit and Accessories," and Section 87-1.03B, "Conduit Installation," of the Caltrans Standard Specifications and these Special Provisions. Traffic signal conduit shall be schedule 80 PVC unless shown otherwise on the plans. SCE service conduit shall be Schedule 40 PVC unless otherwise noted. Insulated bonding bushings will be required. All conduits, excluding SCE service conduits, shall be installed at the depth not less than 42" below finished grade. Only when conduits are to be installed between adjacent pull boxes, from traffic signal pole to pull box or pull box to cabinet where the in-between distance is too short to meet the 42" depth and the 45-degree sweep requirements, the conduit may be installed at lower depth but not less than 18" below finished grade. Unless shown otherwise on the plans, the minimum size of conduit shall be: 1. 2" between an electrolier and the adjacent pull box 2. 2" between a pedestrian push button post and the adjacent pull box 3. 2" between a IA signal standard 4. 3" between a Type 15 signal standard 5. 3" between signal standard with mastarm and the adjacent pull box 6. 24" between a controller cabinet and the adjacent pull box 7. 2" for advanced inductive loop detector runs 8. 2" between an overhead sign and the adjacent pull box 9. 4" for street crossings containing traffic signal conductors 10. 3" for traffic signal interconnect cable (SIC) only 11. 3" between pull boxes not otherwise specified Curb terminations shall be as shown on Caltrans Standard Plan ES-5E, Type A, except that conduit shown in Caltrans Standard Plan ES-5E, Type A shall be 2" (53 mm). A Bull -Line pull tape or equivalent with a minimum tensile strength of 500 pounds shall be installed in all conduits. The ends of conduit and conduit fittings shall be provided with insulated and galvanized bonding bushings. After conductors have been installed, the ends of conduits shall be sealed with industry grade sealing compound. Conduit installation by "Trenching in Pavement Method" shall not be allowed within the traveled way of any public street without prior written authorization by the Engineer.