Specifications include, but are not limited to: SITE PREPARATION: INCLUDES INSTALLATION OF EQUIPMENT, SOLID COLOR POURED IN PLACE SURFACING UNDER PLAYGROUND STRUCTURE AND WOOD FIBER SURFACING UNDER SWING FRAME. POURED IN PLACE SURFACING: MINIMUM THICKNESS OF 2½ INCHES OVER 4 INCH CONCRETE PAVEMENT AND 4 TO 6 INCHES OF COMPACTED ROCK BASE. CURBING AROUND THE PERIMETER OF THE SURFACING SHALL BE A 6 INCH WIDE AND 12 INCH DEEP CONCRETE CURB. EXCAVATION TO BE INCLUDED. WOOD FIBER SURFACING: MINIMUM THICKNESS OF 15 INCHES OVER GEOTEXTILE FABRIC OVER 3” – 4” ROCK BASE. EXCAVATION TO BE INCLUDED. (SEE ATTACHED SPECIFICATIONS) ALL EQUIPMENT AND SURFACING MUST CONTAIN IPEMA CERTIFICATION AND ISO9001 CERTIFICATION. SUBMIT CERTIFICATION WITH PROPOSAL.