Specifications include, but are not limited to: Vendor shall make note of existing site conditions; project consists of two ascending circular tiers in the middle of the intersection. Vehicular traffic closures, detours, and traffic plan shall be approved by City of Little Rock traffic engineer department as needed or prior to any occurring onsite.
Lower tier-supply labor and equipment to excavate 4” of existing top soil behind sidewalk/wall to base of upper tier (this material can be used as fill in upper tier), install weed mat, install “river rock”, and install plants material. Plant material layout shall be coordinated with city zoo staff prior to final installation. Final height of river rock shall be installed at existing top of lower wall height with a 2% slope rise in material towards the center of the circle.
Upper tier-supply labor and equipment to install top soil to a depth of 12” to uniformly cover existing gravel, soil shall be worked around existing boulders, soil shall be lightly compacted as installed to minimize settlement. Install weed mat, install 3-4” depth of “river rock”, and install plant material. Plant material layout shall be coordinated with city zoo staff prior to final installation.