Pre-Cast Reinforced Concrete Box and End Sections

This solicitation seeks a catalog of pre‑cast reinforced concrete (RC) box culvert cells and associated end sections for Sedgwick County public‑works projects. Bidders must price a wide range of standard‑size boxes (51 size categories) and ancillary items such as rubber gaskets, geotextile fabric, curbs, and “Popits,” all conforming to ASTM C850 and Kansas DOT Section 735 specifications. Design analysis must be performed using Ericksson Culvert software (v5.12.0+), with load‑rating documentation required for spans ≥ 20 ft. The contract is a two‑year, unit‑price agreement with three optional one‑year extensions, awarded on a lowest‑responsible‑and‑responsive‑bid basis. No bids were received for this release. • Products: Pre‑cast concrete boxes (various dimensions) + end sections + misc. accessories. • Technical compliance: KDOT Std. Spec. 735, Ericksson Culvert analysis, ASTM C850, load‑rating forms. • Procurement: Open competition, unit‑price pricing, 2‑year base term with up to 3 one‑year renewals.