MANHOLE_RISERS_DRWINGS_SPECIFICATIONS.pdf

The document is a technical specification and drawing for manhole riser rings, specifically related to a procurement opportunity by the City of St. Petersburg, Florida. The specification details three different height options for manhole riser rings: 3", 4", and 6", with a consistent outside diameter (OD) of 37.25" and an inside diameter (ID) of 23.25". The riser rings are designed with embedded rebar reinforcement and include integrated lifting handles that are wired to the internal rebar structure.

The technical drawing provides detailed specifications for manufacturers and potential bidders, illustrating the structural characteristics of the riser rings. The City of St. Petersburg is seeking 100 three-inch riser rings with the specified dimensions, emphasizing the requirement for rebar reinforcement. While specific pricing details are not included in this technical specification document, the drawing serves as a critical reference for vendors preparing quotes for this municipal infrastructure component procurement.