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ProGrass First in Turf 1 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 The infill shall consist of specifically graded i00%SBR ground rubber. The depth of the infill material shall be no less than 75%of the nominal fiber height at installation. SYSTEMS WITH SHOCK PAD ENHANCEMENTS WILL NOT BE ACCEPTED AS EQUAL. t 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.o INSTALLATION AND EXECUTION The turf contractor shall strictly adhere to the installation procedures outlined under this section. 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 1 base. 6.2 The turf rolls are to be installed directly over the properly prepared aggregate base. Extreme i 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. 6.3 The full width rolls shall be laid out across the playing field. Utilizing state of the art sewing or gluing procedures,each turf panel shall be attached to the next forming the fabric of the field. Q When all of the rolls of the playing surface have been installed, the sideline areas shall be installed at b right angles to the playing field. 6.4 Turf-Set 73 brand hot melt adhesive will be applied for attachment of turf when mechanically sewn seams are not feasible. This applies to the installation of any inlaid lines such as, but not t 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 71 77