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23A - PROJ - WATER MAIN IMPROVEMENTS
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23A - PROJ - WATER MAIN IMPROVEMENTS
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Last modified
11/26/2014 3:00:25 PM
Creation date
11/26/2014 2:51:39 PM
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City Clerk
Doc Type
Agenda Packet
Agency
Public Works
Item #
23A
Date
12/2/2014
Destruction Year
2019
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CITY OF SANTA ANA <br />SPECIFICATIONS <br />PROJECT NO. 11 -6416 <br />SEVENTEENTH STREET WATER MAIN IMPROVEMENTS <br />ANNULAR SPACE <br />The annular space shall be completely grouted to support the carrier pipe and provide long <br />time stability. Grout shall consist of Portland Cement, fly ash, and /or additives. Mix design <br />shall be approved by the Engineer and conform to Section 201 of the Standard Specifications. <br />REMOVAL OF JACKING AND RECEIVING PIT SUPPORTS <br />Remove support elements except those required by Engineer to remain in place, from <br />excavation. In addition, remove support elements as needed to install carrier pipe. Removal <br />of support system shall be performed in a manner that will not disturb or harm adjacent <br />construction or facilities. Fill voids created by removal of support system with clean sand, <br />flowable fill, or similar fill material approved by Engineer. <br />BACKFILLING OF JACKING AND RECEIVING PIT <br />Seal jacking and receiving pit opening and backfill at shafts. Backfill shall be gunite sand, <br />gunite concrete or pressure concrete and the process shall conform to the applicable <br />provisions of Section 306 -2.3 of the Standard Specifications, these Technical Provisions, as <br />directed by the Engineer and as shown on the Contract Documents. <br />The per unit price for Bore and Jack, Install Steel Casing and PVC Pipe shall include full <br />compensation for constructing boring and receiving pits, furnishing all pipe, steel casing, <br />fittings, trenching, sheeting, shoring, labor, permanent paving within the trench, materials, <br />tools, equipment and appurtenances for all related items of work necessary for the bore and <br />jack installation of the steel casing complete in place, backfilled, paved and testing. No <br />additional compensation will be allowed. <br />Any increase in the depth of excavation of eighteen (18) inches or less including where <br />called for on the plans to deepen the pipe or use fittings to avoid a crossing utility shall be <br />considered to be included in the contract unit price for said work and no additional <br />compensation shall be allowed. <br />3.10 TRACING WIRE <br />A minimum of 12 gauge (Blue) Tracing Wire, insulated with high molecular weight <br />polyethylene (HMWPE) specifically for use in direct burial applications, shall be placed and <br />secured to the top of all PVC pipe as it is being laid. The tracing wire shall be stubbed up at <br />each valve (left accessible inside the valve box) and hydrant (coiled around the barrel just <br />below the top flange with 16 inches excess). Tracing wire shall be secured to the top of the <br />pipe at 5 -foot intervals or less to ensure that the wire remains at the same location as the PVC <br />pipe being laid. <br />T -3o <br />23A -110 <br />
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