Site work and paving for a civil project in Buffalo, South Dakota. Completed plans call for site work for a bridge / tunnel; road / highway; and for paving for a road / highway.

The Contractor will perform all construction staking. The staking work includes, but is not limited to, establishing or re-establishing the project centerline; establishing control points and benchmarks as needed; setting additional benchmarks as needed; taking original and final cross sections of all Contractor secured borrow sources and State designated borrow sources; taking cross sections of all topsoil stockpiles; and staking right-of-way, easements, and fence. The Contractor will perform all construction layout and reference staking necessary for the accurate control and completion of all structures, grading, paving, drainage, median crossovers, signing, pavement marking, permanent benchmarks, detours, fence, and all other appurtenances required for the complete construction and acceptance of the work. The layout will include, but is not limited to, staking clearing line, slope staking and slope stake referencing, grade staking (blue tops), structure staking, and performing the miscellaneous staking as described in the plans and in this specification. Butte, Harding SWPPP = 5.00 AC Structure (12x12 CIP RCBC) & Approach Grading, Replace RCBC Aprons Contract Id: 9804 Length Miles: 0.247 Work Type 2 Prime Contractors must be prequalified in the work type specified for any bid $250,000 or greater. All bids will be checked for qualifications with results posted on the SDDOT website. The Department of Transportation reserves the right to reject any or all bids. Contractors may submit questions to the forum until 10:00 am CT on 11/28/2025. The department may post questions and answers until 10:00 am CT on 12/02/2025 at which time the forum will be closed. SDDOT - Item No 003 - Replace Culvert RCBC, Replace RCBC Aprons, Approach Grading