ROBERTSON INDUSTRIES, INC. - Laserfiche WebLink

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PRODUCTS • Description: A dual-durometer poured -in -place system with an upper wearing layer and an underlying impact attenuation cushion layer. The finished surface shall be porous and capable of being installed at varying thickness to comply with Critical Fall Height requirements of playground equipment installed in conjunction with the surface. • Materials: The play surface shall be manufactured from a precise blend of colored rubber granules mixed with polyurethane binder. Polyurethane binder containing any TDI shall not be allowed due to environmental regulations. For hot, humid climates which may accelerate the cure of polyurethanes, Manufacture may substitute a slower curing version of this binder. Systems requiring color mixes containing black shall use black EPDM granules for this purpose. • Materials: ALIPHATIC polyurethane seal coat or approved equal. Polyurethane seal coat will be used on play surfaces designated to be sealed only in lieu of removal and replacement. • Top layers shall in all circumstances be MINIMUM '/z" THICK. Systems advertising "nominal %a" thick", or "3/8" —'/z thick" shall be grounds for rejection. Systems advertising "minimum weight / s.f. top layers" shall be grounds for rejection. In all cases, top layer thickness shall be a MINIMUM %:" THICK, irrespective of advertised system "weight". • Wearing surface (top layer) shall be a mixture of 1-4 mm rubber granules, or black EPDM rubber 1-3.5 mm granules bonded by polyurethane binder applied to 100% of the granules and applied to a minimum thickness of 1/2" over the cushion layer. • Cushion course (bottom layer) shall be a precise blend of SBR rubber particles of heterogeneous distribution bonded by aromatic polyurethane binder applied to 100% of the rubber and installed to a designated thickness as required by the Consumer Product Safety Commissions Guidelines and ASTM F1292-13 Test Criteria. • Finish Texture: Pebble grain • Color choice and/or blend ratios of color shall be selected by the owner or architect. • Color: As selected by City of Santa Ana or designee • Sealant Coating and shall include all incidental labor and materials required to prepare and seat the play surface in accordance with the manufactures recommendations and as specified herein, no additional compensation will be provided. SUB -BASE REQUIREMENTS — GENERAL • Preparation: The sub -base of the entire area to be surfaced shall be cleared of any foreign materials and treated to eliminate growth of grass, weeds, shrubbery, trees, etc. • The native sub -base shall be graded to allow for proper water drainage that will prevent sub -base erosion. • The native sub -base shall be compacted to a 90% rating. • Curbing shall be installed at the perimeter of the area to be installed and may be concrete or other acceptable system that will not deteriorate over the anticipated life of the system. City of Santa Ana RFP 22-100 Page Al-2