On-Call Combination Sewer Vacuum (Vactor) Truck Services

Dorchester County, South Carolina is soliciting bids on on-call combination sewer vacuum (vactor) truck services under IFB 2027-04, with bids due August 20, 2026 at 2:00 p.m. and written questions due August 18, 2026 at 8:00 a.m. A local-vendor preference under Dorchester County Code Chapter 2, Article VI, Division 10 is available to vendors submitting a completed affidavit.

The scope encompasses sanitary sewer cleaning, lift station maintenance, pump and haul operations, emergency utility response, and standby services for the County's wastewater collection and treatment infrastructure. Contractors must operate 24/7/365 with equipment including a nine-cubic-yard minimum debris tank capacity, 500-foot jetting hose length, high-pressure water jet systems, and heavy-duty vacuum systems. Emergency response must include acknowledgment within 30 minutes and on-site arrival within two hours of notification.

The contract term is one year with four optional one-year renewal terms. The County intends to make multiple awards to the lowest responsive and responsible bidders and reserves the right to deviate from a rotation system based on emergency conditions, equipment availability, and contractor capacity. No minimum purchase quantity is guaranteed.

Pricing is submitted on an hourly basis, with separate rates for normal business hours (Monday–Friday, 8:00 a.m.–4:30 p.m.) and after-hours services including weekends and County holidays; bidders specify minimum billable hours per service call. Payment is due within 30 days of approved invoices. Bids remain valid for 60 days.

Bidders must hold a Dorchester County business license (required post-award), provide three governmental or utility references with five-year experience in similar work, submit equipment inventory and personnel availability details, and hold emergency response certification. Insurance includes general liability ($1 million), automobile liability ($1 million), workers' compensation, and professional liability ($1 million), with the County listed as additional insured.