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CITY OF SANTA ANA <br />SPECIFICATIONS <br />PROJECT NO.: XX-XXXX <br />PROJECT TITLE <br /> <br />85 <br />4.11 TRAFFIC SIGNAL CONTROLLER <br />If called for on the plans, the controller shall meet the following: <br />Traffic signal controllers shall be a Safetran Cobalt Rack Mount controller complying <br />with the latest Caltran’s TEES requirements for operation within a 332 cabinet. <br />In addition, the Controller must be preloaded with the latest release of an Econolite EOS <br />Firmware. <br />The City may request the controllers to be delivered to Traffic Engineering two weeks <br />prior to any scheduled traffic signal turn on for testing and configuration without any <br />affect upon the controller’s manufacturer warranty. <br />4.12 EXCAVATING AND BACKFILLING <br />Excavating and backfilling shall conform to Section 87-1.03E, “Excavating and <br />Backfilling for Electrical Systems,” of the Caltrans Standard Specifications and these <br />Special Provisions. <br />All excavated material shall be removed from the site and backfilled with compacted <br />crushed aggregate base material topped with temporary asphalt concrete on the same <br />working day as removed. A temporary alternative to backfilling, with permission of the <br />Engineer, shall be the placement of steel plates with temporary asphalt concrete ramping <br />at edges of the steel plates. Such plating shall not be allowed for more than five (5) <br />working days, after which backfill shall be required. <br />Traffic signal pole foundations, sign foundation locations, tree root balls, utility potholing <br />locations, and other excavations allowed by the Engineer, shall be backfilled in <br />accordance with Section 19-3, “Structure Excavation and Backfill,” of the Caltrans <br />Standard Specifications, to a relative compaction of 95 percent, or by use of the Slurry <br />Backfill method described below. The Contractor may choose either method for <br />backfilling any of the excavations listed above to the bottom of the existing or proposed <br />roadway structural section, sidewalk structural section, parking lot structural section; or <br />as directed by the Engineer. A combination of methods shall not be allowed for any <br />individual excavation and backfill location. <br />Slurry backfill: Use of a one-sack cement and sand slurry provided by a commercial <br />ready-mix concrete vendor. The slurry shall be placed in conformance with Section 51, <br />“Concrete Structures,” of the Caltrans Standard Specifications and shall be placed “in the <br />solid” and monolithic from the bottom of the excavation to th e bottom of the existing or <br />proposed roadway structural section, sidewalk structural section, or parking lot structural <br />section; or as directed by the Engineer. <br />4.13 FOUNDATIONS <br />Foundations for controller cabinets, standards, posts, and pedestals shall also conform to <br />the provisions in 56-3.01C(2), “Foundations,” and Section 87-1.03E(3), “Concrete Pads, <br />505 E Central Ave <br />#B11/6/2024