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2.7 CONCRETE <br /> A. Miscellaneous concrete for anchorage of the pipe support columns shall conform <br /> to the provisions in CalTrans Standard Specification Section 90-10 Minor <br /> Concrete. <br /> B. Miscellaneous concrete for the headwalls shall be Class`B." <br /> C. Reinforcing steel bars shall be No. 4. <br /> 2.8 PIPE SUPPORT AND CLAMP <br /> A. Pipe support and clamp shall conform to the provisions in CalTrans Standard <br /> Specification Section 75, Miscellaneous Metal. <br /> 2.9 EQUIPMENT <br /> A. General: <br /> 1. Equipment used in constructing the Work shall be in good working order and <br /> shall be operated in strict accordance with manufacturer's instructions and <br /> recommendations. <br /> 2. Any soils contaminated by discharge of fluids from leaky or faulty equipment <br /> shall be removed and properly disposed and the contaminated area backfilled <br /> with clean soil, at no cost to the OWNER. <br /> B. Compaction Equipment <br /> 1. Compaction equipment shall be of suitable type and adequate to obtain the <br /> densities specified, and shall provide satisfactory breakdown of materials to <br /> form a dense fill. Flooding or jetting will not be allowed. <br /> 2. Compaction equipment shall be maintained in such condition that it will <br /> deliver the manufacturer's rated compactive effort. If inadequate densities <br /> are obtained, larger and/or different types of additional equipment shall be <br /> provided by the EARTHWORK CONTRACTOR. Hand-operated <br /> equipment shall be capable of achieving the specified densities. <br /> C. Moisture Control Equipment:Equipment for applying water shall be of a type and <br /> quality adequate for the Work, shall not leak, and shall be equipped with a <br /> distributor bar or other approved device to assure uniform application. Equipment <br /> for mixing and drying out material shall consist of blades, discs, or other approved <br /> equipment. <br /> 2.10 EXCAVATION <br /> A. Excavation is unclassified. Complete all excavation, regardless of the type, <br /> nature, or condition of the materials encountered. The EARTHWORK <br /> CONTRACTOR shall be responsible for making own estimate of the kind and <br /> Forward Compost Facility Stormwater Improvements <br /> 02300 6 EARTHWORK <br />