(1) Vendor needs to provide engineering design services to the government authority located in Delta, CO.– Extraction Riser Design: Detailed drawings of the Leachate Extraction Riser Pipe(s), including the riser boot, sump connection, and protective concrete pad details.– Floor Contours: Final grading plan (in relation to the provided subgrade) detailing the floor liner system contours to achieve positive leachate drainage throughout Phase 1.(2) All question must be submitted no later than January 7, 2026.