Specifications include, but are not limited to: • Shelter should be a minimum of twenty-eight-feet (28’) in diameter, large enough to fit three (3), 6-foot (6’) picnic tables and 1(1) 8-foot (8’) ADA table comfortably underneath. Benches shall be purchased separate by the City. The shelter shall be located at the location identified on the site plan.; • Shelter shall have a hexagon shape, high-pitched hipped roof with cupola.; • The diameter of posts and beams shall be a minimum of six-inch (6”) x six-inch (6”) and beams should be in proportion to the structure and sized to carry the loads of the roof.; • Shelter should have a minimum ground snow load of 30 psf, a 90-mph wind load, and designed to Exposure C.; • All hardware and anchoring systems shall be corrosion resistant.; • Future electrical conduit must be able to move throughout the beam and not exposed.; • Posts shall be attached to Simpson Strong-Tie Connectors or equivalent anchors capable of preventing uplift of the shelter. Assurance shall be provided with regards to the method of anchoring the support posts in order to meet or exceed the minimum design standards.; • If metal posts or beams are used, powder-coating is the preferred, but not required, finish that is UV and chemical resistant and suitable for public spaces.; • All accessible edges shall be machined to a rounded finish. All welds shall be buffed smooth, and polished to a non-visible finish.; • Footings: The type of concrete to be used for the footings should be identified on the drawings and should be based on the load the footings will carry. A Nebraska Engineer stamped drawing showing concrete footing detail should be provided to the City with this submittal. The drawing will be reviewed by the City’s Building Department for compliance with local building codes before Notice of Award. If awarded the project, the Contractor/Vendor will be responsible for coordinating a footing inspection with the City’s Building Department before any concrete is poured for the shelter.; • Shelter Concrete Slab Site and Base Preparations: - The site shall be prepared at the appropriate grade for the concrete floating slab. The interaction between the concrete slab and column footings shall be coordinated with the shelter manufacturer recommendations, as well as the structure footing design previously described.; - The top of the poured concrete should be approximately 3-inches (3”) higher than the existing grade.; - Site preparation shall include stripping a minimum of eight-inches (8”) of topsoil.
