3. Under DIVISION 9 — CONSTRUCTION SPECIFICATIONS, please note the following:
A. Under ITEM E — PROTECTIVE SURFACING (POURED IN-PLACE RUBBER}, add language to
address base materials. The specification shall read as follows:
ITEM ‘E’ — PROTECTIVE SURFACING (POURED-IN PLACE RUBBER)
A. SCOPE
This work shall consist of installation of a protective surface material at the location(s) shown on the
layout plan per the detail of the plan set provided or as ordered by the Engineer.
B. MATERIALS AND CONSTRUCTION
The Contractor shall supply all labor, materials, equipment and transportation necessary for the required
work. The depth of material may vary based on the fall height of the adjacent playground equipment
and shall consist of a poured-in-place rubber system.
Subgrade shall be crushed stone 6” thick and comply with the manufacturers specifications for gradation
and density. Manufacturer's specifications are included with this document.
The Contractor shall hire a materials testing contractor to test the crushed stone. The testing contractor
shall be approved by the City. Tests will be for density (Proctor Test and Nuclear Gauge Test) and
Gradation (Sieve Analysis). The Sieve Analysis and Proctor Tests shall be completed and acceptable to the
City prior to placement of crushed stone. On site density testing (Nuclear Gauge) will be required after
the crushed stone has been placed and before the poured in place surface has been installed. A minimum
of 2 nuclear gauge density readings shall be taken for every piece of playground equipment with a
rubberized surface. Total readings shall be no less than 20. Failing test results will be subject to material
replacement or other corrective actions deemed acceptable to the City.
Poured-in-place Rubber System Specifications or approved equal
PART 1 — General
1.01___ POURED IN PLACE RUBBER PLAYGROUND SURFACING
A. Poured In Place Rubber Playground Surfacing is a 2-layer, seamless system comprised of
a base layer of 100% post-consumer recycled SBR rubber & polyurethane binder and a
top layer of EPDM rubber and polyurethane binder. The porous system is field-applied in
any configuration and dimension ta achieve required fall heights.
1.02 SAFETY AND TESTING
2 ADDENDUM 2
