Twin Chimneys MSW Unit 4 Cell 5 Landfill Earthwork

Greenville County, South Carolina is issuing Request for Proposals (RFP) #26098 for landfill earthwork services at the Twin Chimneys Landfill. The procurement seeks excavation of approximately 160,000 cubic yards of soil and rock material to prepare Unit 4 Cell 5 for future Municipal Solid Waste liner construction, with excavated materials to be stockpiled on-site. Deliverables include site clearing and grubbing (1.3 acres), excavation and stockpiling of miscellaneous soil (160,000–167,000 cubic yards), clay (10,000–20,000 cubic yards), and rock (8,000 cubic yards), structural fill placement (7,500 cubic yards), access road construction with geotextile and stone, erosion control matting installation (3,000–4,000 square yards), temporary sediment basin decommissioning, and permanent seeding (12–14 acres). Contractors must demonstrate completion of at least two similar projects within the past five years and provide comprehensive insurance including general liability of $1,000,000 per occurrence/$2,000,000 aggregate, automobile liability of $1,000,000 per occurrence, workers' compensation coverage, umbrella/excess liability of $1,000,000 per occurrence/$1,000,000 aggregate, and professional errors and omissions coverage of $1,000,000 per occurrence/$1,000,000 aggregate. The project must achieve substantial completion within 150 calendar days from Notice to Proceed, with final completion within 180 calendar days, and liquidated damages of $1,000 per day apply for failure to achieve substantial completion and $500 per day for failure to achieve final completion. Questions must be submitted by April 1, 2026, at 12:00 p.m., with proposals due April 10, 2026, at 3:00 p.m., and the Notice to Proceed anticipated May 1, 2026. Evaluation will be based on seven equally weighted criteria at 10 points each: responsiveness to RFP, experience and past performance, proposed project schedule, methodology and project understanding, references, cost, and equipment list.

No minority or disadvantaged business enterprise set-asides are identified for this procurement. The award is a firm fixed-price contract with unit pricing for most excavation and material placement items and lump sum pricing for mobilization/demobilization, quality control testing, survey and control, clearing and grubbing, erosion and sediment control, and temporary basin decommissioning. A bid bond equal to 5 percent of the bid price is required at submission, with performance and payment bonds equal to the total bid price required within 15 working days of award. The project will be administered by Greenville County's Procurement Services Division, with engineering oversight provided by HDR Engineering, Inc. of Charlotte, North Carolina, which prepared the contract documents and specifications. All work must comply with EJCDC 2018 standard general conditions with supplementary project-specific conditions, and the contractor assumes responsibility for all costs associated with bonds, insurance, mobilization, independent quality control testing, and environmental compliance. The contract will include a one-year correction period following substantial completion. No specific budget range or award value is disclosed in the available documentation, though pricing will be evaluated as one of seven equal evaluation criteria.