SITE INFORMATION AND CORRESPONDENCE

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INFORMATION TO BIDDERS SOIL EXCAVATION AND LINER/CAP CONSTRUCTION PUREGROBREA FACILITY 1905 NORTH BROADWAY AVENUE, STOCKTON, CALIF. SECTION 1. STATEMENT OF WORK Part 1. General The bidder shall furnish all labor, equipment, materials, and services to perform the work described below, in accordance with the technical provisions and the accompanying drawings. The work will consist of excavation and stockpiling of soil from two excavation areas, subgrade preparation and testing, liner placement,backfilling, compaction, compaction testing,paving, and survey control for the construction of a liner and cap system at two former surface impoundments (evaporation ponds) at the PuregroBrea Facility, 1905 North Broadway Avenue, Stockton, California. Submittal of a bid for this project shall include submittal of a completed bid schedule (see Section 2.), a proposed schedule for completion of the work described herein, and a list of all equipment to be used on the project and the hourly rates to be charged for use of the equipment. The bidder shall also provide with the bid a listing of all major subcontractors to be utilized in the completion of the work described herein, and shall describe the portion of the work to be performed by each subcontractor. Oversight for this work shall be provided by Unocal's consultant, Sierra-Pacific Groundwater Consultants, Inc. (Sierra-Pacific), located at 4911 Windplay Drive, Suite 4, EI Dorado Hills, California. The successful bidder (hereinafter referred to as the Contractor) will be required to prepare and submit to Unocal a site-specific health and safety plan. The health and safety plan shall incorporate the information in both the Sierra-Pacific health and safety plan and the Unocal health and safety plan for the site. Copies of these health and safety plans will be provided to the Contractor. Sierra-Pacific's designated on-site coordinator shall be the site safety officer(SSO) for this work. Level D personal protective equipment(PPE) shall be required for all site work, unless otherwise specified by the SSO. If contaminated excavated materials pose a dermal contact or inhalation hazard to on-site personnel during the work, the SSO may require the use of level C PPE for the duration of the exposure hazard. The bidder shall be prepared to implement this level of PPE while excavation work is in progress. Level C and level D PPE will conform to the EPA's Office of Emergency and Remedial Response standard, and will be maintained and inspected in accordance with the Code of Federal Regulations under 29 CFR 1910.132. The Contractor shall be responsible for obtaining all required permits for this work. The Contractor shall also be responsible for locating and protecting all existing utility lines, product conveyance lines, and other improvements in the work area. It should be noted, however, that