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Pro Grass First in Turf 1 5.1.1 The parallel slit film fiber must be equal to ProGrass Infinity fiber qualifications. 5.1.2 Monofilament fiber must be equal to ProGrass GameTurf diamond spined monofilament. Acceptable monofilament fiber shape is a base with a center core. RECTANGULAR, ELIPTICAL,C- 1 SHAPED OR FLAT MONOFILAMENT FIBERS WILL NOT BE ACCEPTABLE AS EQUAL. 5.2 The tufted fiber face weight shall be no less than 40 ounces per square yard. 5.3 The turf's primary backing shall be a layered polypropylene fabric treated with UV inhibitors. The secondary backing shall consist of an application of a minimum of 20 oz. per square yard of heat- activated urethane to permanently lock the fiber tufts in place,with a minimum tuft bind of 8 pounds.The carpet shall be perforated to promote maximum drainage.CARPETS WITHOUT PERFORATIONS,THATCH ZONES AND ROOT ZONES WILL NOT BE ACCEPTABLE. 5.4 The turf shall be delivered in 15-foot wide rolls.The rolls shall be of sufficient length to go from sideline to sideline. 5.5 A resilient infill system specifically designed to provide the feel, performance, and safety of an optimally maintained natural surface for the sport of baseball. The infill system in the infield and approximately twelve(12)feet inside the warning track consists of a homogeneous mixture of 50% sand and 50%rubber granules, by weight. The infill system used in the outfield consists of l00%SBR rubber granules. The warning track will be comprised of i00%silica sand. SYSTEMS WITH SHOCK PAD ENHANCEMENTS WILL NOT BE ACCEPTED AS EQUAL. 5.6 All field markings including numbers, arrows, hash marks, sports specific lines or other designations will either be tufted in at the factory or inlaid. Painted markings with multiple applications of a suitable paint approved by the turf manufacturer at owners request. 6.0 INSTALLATION AND EXECUTION The turf contractor shall strictly adhere to the installation procedures outlined under this section. 1 Any variance from these requirements must be accepted in writing, by the manufacturer's representative,and submitted to the architect/owner,verifying that the changes do not in any way affect the warranty. 6.1 If the synthetic turf installation and the OGS stone base installation are separate contractors, the synthetic turf contractor reserves the right to reject both planarity and stability of the OGS stone base. 6.2 The turf rolls are to be installed directly over the properly prepared aggregate base. Extreme care should be taken to avoid disturbing the aggregate base, both in regard to compaction and planarity. A static roller is to be on site and available to repair and properly compact any disturbed areas of the aggregate base. I 960 Penn Avenue, 8th Floor • Pittsburgh, PA 15222 • 412.434.6003 • Toll-Free 866.270.6003 • Fax 412.391.2270 ProGrass RFP No. 12-10-03 67