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Street sweeping shall start at the beginning of clearing and grubbing and shall continue until completion of the project,or <br /> as directed by the Engineer. Street sweeping shall be performed immediately after soil disturbing activities occur or offsite <br /> tracking of material is observed. Street sweeping shall be performed so that dust is minimized. If dust generation is <br /> excessive or sediment pickup is ineffective as determined by the Engineer,the use of water or a vacuum will be required. <br /> At the option of the Contractor, collected material may be temporarily stockpiled in accordance with the approved <br /> WPCP. Collected material shall be disposed of at least once per week. <br /> Material collected during street sweeping operations shall be disposed of in conformance with Section 7-1.13, "Disposal <br /> of Material Outside The Highway Right Of Way,"of the Standard Specifications. <br /> MEASUREMENT AND PAYMENT <br /> The contract lump sum price paid for street sweeping shall include full compensation for furnishing all labor, materials, <br /> tools, equipment, and incidentals and for doing all the work involved in street sweeping, including disposal of collected <br /> material, as shown on the plans, as specified in the Standard Specifications, these special provisions, and as directed by the <br /> Engineer. <br /> 10-1.05 TEMPORARY CONCRETE WASHOUT(PORTABLE) <br /> A portable temporary concrete washout shall be furnished,maintained, and removed as specified in the approved Water <br /> Pollution Control Program in conformance with"Water Pollution Control' of these special provisions and as directed by the <br /> Engineer. <br /> A portable temporary concrete washout shall consist of a commercially available drum at a minimum size of 208-liter or <br /> alternate container upon written approval from the Engineer. The drum shall be stenciled "Concrete Waste Material." The <br /> letters shall be black and 100 mm in height on a white background. The top of the stenciling shall be 300 mm from the top of <br /> the barrel. <br /> PLACEMENT <br /> A portable temporary concrete washout shall be as follows: <br /> A. A portable temporary concrete washout shall be in place prior to placement of concrete and shall be located in the <br /> immediate area of the concrete work as approved by the Engineer. The temporary concrete washout shall be located <br /> away from construction traffic or public access areas. After initial placement,temporary concrete washout shall be <br /> moved as needed for concrete construction work. When the temporary concrete washout is no longer required, as <br /> determined by the Engineer, it shall be removed and disposed of in conformance with the provisions in <br /> Section 7-1.13,"Disposal of Material Outside the Highway Right of Way,"of the Standard Specifications. <br /> B. A sign shall be installed adjacent to each washout at a location determined by the Contractor and approved by the <br /> Engineer. Signs shall be installed in conformance with the provisions in Section 12-3.06B, "Portable Signs" of the <br /> Standard Specifications. Each portable sign shall consist of a base, framework and a sign panel. The sign panel <br /> shall be made out of plywood and shall have a minimum size of 610 mm by 1200 mm. The sign panel shall read <br /> "Concrete Washout"with black letters, 150 mm in height,on a white background. <br /> C. The Contractor shall provide sufficient temporary concrete washout capacity to contain liquid and concrete waste <br /> generated by washout operations without seepage or spills. <br /> Maintaining the portable temporary concrete washout shall include removing and disposing of concrete waste. Concrete <br /> waste material generated shall be removed each day and disposed of in conformance with the provisions in Section 7-1.13, <br /> "Disposal of Material Outside the Highway Right of Way"of the Standard Specifications. <br /> The Contractor shall provide the name and location of the disposal facility to the Engineer before disposal of solid and <br /> liquid concrete waste. The Contractor shall provide verification that the off-site commercial or noncommercial disposal site <br /> has a permit issued by the California Regional Water Quality Control Board(RWQCB). If the disposal site is located outside <br /> of the State of California, the Contractor shall provide a copy of the permit issued by the state or local agency having <br /> jurisdiction over the disposal site. <br /> When relocating or transporting a portable temporary concrete washout, the portable washout shall be properly secured <br /> to prevent spilling of concrete waste material. <br /> PAYMENT <br /> The contract lump sum price paid for temporary concrete washout (portable) shall include full compensation for <br /> furnishing all labor, materials, tools, equipment, including the sign, and incidentals, and for doing all the work involved in <br /> furnishing, placing, maintaining, repairing, replacing, transporting, disposing of concrete waste, and removing the washout, <br /> as specified in the Standard Specifications and these special provisions,and as directed by the Engineer. <br /> Contract No. 10-OM7104 <br /> 145 <br />