Laserfiche WebLink
CITY OF SANTA ANA <br /> SPECIFICATIONS <br /> PROJECT NO.: 25-6030 <br /> TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD <br /> AVENUE <br /> 4.15 CONDUIT <br /> Traffic signal, interconnect communications, and roadway lighting conduit shall conform <br /> to the provisions in Section 86-1.02B, "Conduit and Accessories," and Section 87-1.03B, <br /> "Conduit Installation," of the Caltrans Standard Specifications and these Special <br /> Provisions. <br /> Traffic signal conduit shall be schedule 80 PVC unless shown otherwise on the plans. SCE <br /> service conduit shall be Schedule 40 PVC unless otherwise noted. Insulated bonding <br /> bushings will be required. <br /> All conduits, excluding SCE service conduits, shall be installed at the depth not less than <br /> 42" below finished grade. Only when conduits are to be installed between adjacent pull <br /> boxes, from traffic signal pole to pull box or pull box to cabinet where the in-between <br /> distance is too short to meet the 42" depth and the 45-degree sweep requirements, the <br /> conduit may be installed at lower depth but not less than 18"below finished grade. <br /> Unless shown otherwise on the plans, the minimum size of conduit shall be: <br /> 1. 2"between an electrolier and the adjacent pull box <br /> 2. 2"between a pedestrian push button post and the adjacent pull box <br /> 3. 2" between a 1A signal standard <br /> 4. 3"between a Type 15 signal standard <br /> 5. 3"between signal standard with mastarm and the adjacent pull box <br /> 6. 2-4"between a controller cabinet and the adjacent pull box <br /> 7. 2" for advanced inductive loop detector runs <br /> 8. 2"between an overhead sign and the adjacent pull box <br /> 9. 4" for street crossings containing traffic signal conductors <br /> 10. 3"for traffic signal interconnect cable (SIC) only <br /> 11. 3"between pull boxes not otherwise specified <br /> Curb terminations shall be as shown on Caltrans Standard Plan ES-5E,Type A,except that <br /> conduit shown in Caltrans Standard Plan ES-5E, Type A shall be 2" (53 mm). <br /> A Bull-Line pull tape or equivalent with a minimum tensile strength of 500 pounds shall <br /> be installed in all conduits. <br /> The ends of conduit and conduit fittings shall be provided with insulated and galvanized <br /> bonding bushings. After conductors have been installed, the ends of conduits shall be <br /> sealed with industry grade sealing compound. <br /> Conduit installation by "Trenching in Pavement Method" shall not be allowed within the <br /> traveled way of any public street without prior written authorization by the Engineer. <br /> 64 <br />