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 by this clause) and a copy of the Declarations and Endorsement Page of the CGL policy listing all policy endorsements to Entity before work begins. However, failure to obtain the required documents prior to the work beginning shall not waive the Consultant's obligation to provide them. The Entity reserves the right to require complete, certified copies of all required insurance policies, including endorsements required by these specifications, at any time. Subcontractors Consultant shall require and verify that all subcontractors maintain insurance meeting all the requirements stated herein, and Contractor shall ensure that Entity is an additional insured on insurance required from subcontractors. Special Risks or Circumstances Entity reserves the right to modify these requirements, including limits, based on the nature of the risk, prior experience, insurer, coverage, or other special circumstances. 5-4.3 Worker's Compensation Insurance Add the following to this subsection: The Contractor shall furnish the Agency with satisfactory proof of Worker's Compensation Insurance. The insurance shall be taken out with a responsible insurance carrier authorized under the laws of the State of California and satisfactory to the Agency. For work that is sublet, the contract shall require the subcontractor similarly provide Worker's Compensation Insurance for the subcontractor's employees. 5-7 SAFETY 5-7.8 Steel Plate Covers 5-7.8.1 General Add the following to this subsection: When backfilling operation of an excavation in the travel way, whether transverse or longitudinal cannot be properly completed within a work day, steel plate bridging with a non-skid surface and shoring may be required to preserve unobstructed traffic flow. 5-7.8.2 Thickness Add the following to this subsection: For spans greater than five (5) feet -three (3) inches, a structural design for the steel plate bridging shall be prepared by a California registered civil engineer and approved by the Engineer. Steel plate bridging shall be designed for HS20-44 truck loading per Caltrans Bridge Design Specifications Manual. The Contractor shall maintain steel plates with a non-skid surface having a minimum coefficient of friction equivalent to 0.35 as determined by California Test Method 342. The contractor may use standard steel plate with known coefficient of friction equal or exceeding 0.35. 15