Engineered Wood Fiber Surfacing Material

Product to be delivered as needed when requested. Delivery shall be to the Boston Parks Department, Franklin Park Maintenance Yard, 1 Circuit Drive, Boston, MA 02130. All deliveries shall be in approx. 90 yard loads (Tractor Trailer).

A - Hardwood fiber must meet or exceed U.S. Consumer Products Safety Commission and ASTM F-1292-99 guidelines. Material shall be a randomly sized mix of hardwood fibers, approximately ten times longer than wide. All wood fiber playground surfacing shall be of virgin Native American hardwoods. Wood fiber absolutely must not contain any recycled wood products or any wood containing paint or other treatment. Material must not contain any twigs, bark, leaf debris or other organic material. Standard wood chips or bark mulch will not be acceptable.

B - Wood fiber must be wheelchair accessible as required by the American with Disabilities Act and have been tested to the guidelines of ASTM PS-83 or ASTM F-1951 for accessibility.

C - Material to be in accordance with the procedures outlined in ASTM F-1292-99, “Standard Specification for Impact Attenuation of Surface Systems Under and Around Playground Equipment” and per ASTM F-355-95, Procedure C.

D - The material must have less than 120 G’s maximum and less than 800 HIC at a 12 inch depth with a 12 ft. fall height.

E - Coefficient of permeability must be greater than 0.6 cm/sec per ASTM D-2434.

F - Moisture absorption of the material shall be no greater than 150% by weight per ASTM D-422.

G - Mechanical Sieve Analysis must be, ASTM C-127

0.750 in. 95% min. 0.375 in. 75% min. #4 45% min. #10 15% min. #60 1.0% min. #200 . 1% min.

H - The density of the material shall be from 18 lbs per cubic foot to 23 lbs per cubic foot. Wood fiber resilient surfacing shall be randomly sized, approximately ten times longer than wide. The material shall meet the gradation requirements of ASTM C136.

If requested, manufacturing site specific test data must be supplied from a certified laboratory.