AgdaPkt 2000-02-07 - Laserfiche WebLink

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3I- 2- The existing fields are made up of turf growing on native soil which is composed mainly of clay, and as a result, drainage and playability throughout the year is very poor. In addition, clay deforms readily under use, and puddles would form with any amount of rain.' With the proposed sand-based construction, approximately 18 inches of sand would form the surface that turf would grow on. Underneath the surface, an extensive network of perforated drainage pipes would be laid to take water away from the field. A similar design has been used at Sandpiper Park (in Redwood Shores) with great success. The availability of the fields will be much higher, since rainwater can seep down through sand much faster than through evaporation. Theoretically, drainage should not be an issue stopping play, even during rain. However, these fields are situated in low-lying areas where drainage can be problematic during the worst of situations. In the case that water from the field can no longer be drained into the street (Le. flooding of the streets), the field would also be out of service. The project was designed by The Beals Group, Inc., landscape architect of San Jose. They have extensive experience with sand-based field and difficult drainage situations. They also brought in a specialist in sand and seed mix selection, to ensure the highest possibility of success. Their estimate of probable cost for the project is $850,000. A complete copy of the Contract Documents is available for review in the Engineering and Construction office, as well as the Parks, Recreation and Community Services Department. The existing turf will be removed under a separate contract because the process will take six weeks. This is being done to get the field ready for construction soon after a contractor is selected for the renovation project Fiscal Impacts The City Council earmarked $1 million from the General Fund for the purpose of increasing (in the most effective way) the availability of sport fields. A Council Subcommittee secured County contributions of $1.2 million for the specific purpose of improving Taft, Garfield, and Fair Oaks school sites. Of the $1 million budgeted, $775,000 remains available after the design. County funds are expected to become available prior to award of the contract. S. ~ftter Varametsanti -------s-e-nior Civil Engineer SPV:ss S/Iibrary/reports/advertise Sport Field at Taft Schooll '- - .-- rÆ~ City Manager .~..--. ...---. T