Item 13 - SR-55/Ritchey Street Water Improvements

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2. Detail drawings govern over general drawings 3. Addenda and change order drawings govern over Contract Drawings 4. Contract Drawings govern over standard drawings M. Temporary Shoring System The project is surrounded by existing business and the SR 55 Freeway. In order to excavate the jacking and receiving pits, the Contractor will be required to implement a temporary shoring system. The Contractor shall submit shoring design stamped by a civil or structural engineer registered in the State of California. Geotechnical parameters for the shoring design are contained in the geotechnical report. The choice of shoring method will be left to the Contractor's judgment since economic considerations and/or the individual Contractor's construction experience may determine which method is more economical and/or appropriate. However, other factors such as the location of nearby utilities, encroachment on adjacent properties, and allowable vibrations may influence the choice of support. Minimum parameters/loads for design of a temporary shoring system are provided in the geotechnical report. All trenching, sheeting, shoring and bracing shall be in accordance with the State of California, Occupational Safety and Health Administration (Cal/OSHA) criteria. Excavation shoring systems shall conform to the applicable Section of Article 6, Title 8 of the State of California Construction Safety Orders. N. Days Lost Due to Weather Conditions In setting the Contract Time, it has been assumed that up to twenty (20) working days maybe lost as a result of weather conditions which will slow down the normal progress ofwork. Therefore, no extension in Contract Time shall be allowed for the first twenty (20) working days lost due to weather conditions. O. Coordination The following agencies and property owners will require special coordination requirements. The following is a summary of these requirements: Metropolitan Water District: The Contractor shall request a shutdown of the existing MWD SA-7 meter facility through the City of Santa Ana. The request for shut down of the MWD turnout shall be in writing to the City a minimum of three weeks prior to making the connection to the pipeline east of the freeway and three weeks prior to the transfer of operation from the existing SA-7 facility to the new SA-7 facility. 2. Western Exterminator Company: The Western Exterminator Company is located adjacent to the City's SA-7 property. To perform the required construction, the City is in the process of obtaining the new proposed property and the temporary construction easement from Western Exterminator Company. The Contractor City of Santa Ana RFP 21-066 Page Al-12