Agmt13 Pacific Electric Contracting, Inc.

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C. Patterns for decorative pavement or surfacing shall be standard "Bomanite" patterns as copyrighted by the Bomanite Corporation of Palo Alto, California or equal. The specific pattern shall be as designated or called for on the plans. 2.08 ACCESSORY MATERIALS A. Materials for water stops and other items required in the piacement of Portland Cement Concrete shall conform to the applicable requirements of Section 51 of the State Standard Specifications unless otherwise specifically noted or called for on the plans or detail drawings. B. Curing compound for use on exposed surfaces of Portland Cement Concrete shall be "Non- Pigmented Curing Compound - chlorinated Rubber Base-Clear" conforming to the requirements contained in Section 90-7.01 B of the State Standard Specifications. 2.09 MATERIAL FOR FORMS A. Material for forms for cast-in-place concrete shall conform to the requirements of Section 51- 1.05 of the State Standard Specifications. . PART 3 - EXECUTION 3.01 STRUCTURAL EXCAVATION A. Structural excavation may be either by hand, or by machine and shall be neat to the line and dimension shown or called for on the plans. Excavation shall be sufficient width to provide adequate space for working therein, and comply with CAL-OSHA requirements. B. Where an excavation has been constructed below the design grade, the bottom of the excavation shall be backfilled to grade with approved material and compacted in place to 95% of the maximum dry density. C. Surplus excavation material remaining upon completion of the work shall be either removed from job site, or conditioned to optimum moisture content and compacted as fill at the site. 3.02 BRACING AND SHORING A. The Contractor shall furnish, place and maintain such bracing and shoring as may be required to support the sides of the excavations for the proper protection to workmen; to facilitate the work; to prevent damage to adjacent structures or facilities. Upon completion of the work, all bracing and shoring shall be removed, unless otherwise directed. B. The Contractor is solely responsible for all bracing and shoring and shall, if required, submit an application and supporting data for an effective shoring system to the Engineer. The Engineer may forward the application to the California Division of Industrial Safety for design, assumed soils conditions, and the estimation of forces to be resisted, together with plans and specifications of the materials and methods to be used. The application shall be prepared by a Civil Engineer registered in California. No excavation around cast-in-place concrete structures shall proceed until the Contractor has received the return of an approved application, if required. C. Refer to Section 02202 for Special Requirements for Shoring in Bay Mud Conditions. 3.03 FORMS FOR CONCRETE A. Concrete improvements shall be formed with a smooth and true upper edge and the side of the form shall be placed next to concrete with a smooth finish. Forms shall be constructed or made rigid enough to withstand the pressure of the fresh concrete to be placed without any distortion. B. All forms shall have been thoroughly cleaned prior to placement and shall be coated with an approved form oil sufficient to prevent adherence of concrete prior to placing. CONCRETE IMPROVEMENTS 02550-5 EAST BAYSHRORE ROAD STREET LIGHTING PROJECT