All State and Local Contract Opportunities

HIGH RESOLUTION SITE CHARACTERIZATION

Solicitation # 5400021667

Posted 11/18/25, 9:17 AM

No Updates

Due 9/10/21, 8:45 AM

State

South Carolina

Source

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The South Carolina Department of Health and Environmental Control (DHEC) Underground Storage Tank Management Division is procuring High-Resolution Site Characterization (HRSC) Assessment Investigation services for nine underground storage tank facilities in Richland County. The solicitation seeks contractors to utilize advanced HRSC technologies to determine subsurface geology and assess the horizontal and vertical extent of free product and petroleum chemicals at regulated underground storage tank sites. Eligible bidders must hold current UST Division Class I certification, possess a minimum of three years of HRSC technology experience, and employ South Carolina licensed well drillers. Specific deliverables include comprehensive site work plans, soil and groundwater sample collection and analysis, 3D modeling, and detailed project reports. Laboratory analysis must be performed by DHEC-certified laboratories, with specific requirements for analyzing constituents such as BTEXN, PAHs, RCRA metals, and TPH compounds. The solicitation timeline included a non-mandatory pre-bid conference on August 5, 2021, with proposal questions due by 5:00 PM ET that same day, and final bid submissions required online by August 24, 2021, at 2:30 PM ET. Award notification was anticipated for September 1, 2021, with a proposed contract period of nine months.

Only contractors with specific qualifications can respond to this solicitation, including mandatory UST Division Class I certification and demonstrated experience with HRSC technologies. Bidders must maintain an approved Annual Contractor Quality Assurance Plan (ACQAP) with HRSC-specific standard operating procedures and comply with South Carolina Regulation 61-92 and SUPERB Site Rehabilitation regulations. The contract was ultimately awarded to Schnabel Engineering, LLC, located in Glen Allen, Virginia, with a total evaluated amount of $662,097.58. The procurement process allows for one contract award, with the successful vendor responsible for comprehensive site investigations across nine specific underground storage tank sites. Pricing is structured on a unit price basis, covering services such as site work plans, soil and groundwater sampling, laboratory analyses, drilling operations, and report preparation. Contractors must provide all-inclusive pricing that incorporates daily labor costs, mobilization expenses, and comprehensive service delivery. The contract requires detailed documentation, maintenance of chain of custody for samples, and adherence to strict environmental quality assurance protocols.

Generated 11/20/25, 3:01 PM

Name	Size	Type	Posted
ATTACHMENT A- LAB & SUB IDENTIFICATION.pdf	855KB	PDF	11/20/25
ENVIRONMENTAL PROCEDURES.docx	48KB	Document	11/20/25
QAPP REVISION 4.0.pdf	3MB	PDF	11/20/25
Amendment - 1.pdf	329KB	PDF	11/20/25
ATTACHMENT B- PRICING SHEET.xlsx	16KB	Spreadsheet	11/20/25