Underground Storage Tank Improvements and Aboveground Tank Installation

King County is seeking a contractor for underground and aboveground storage tank improvements, including UST cleaning, lining, closure, leak-detection upgrades, cathodic protection, excavation, and related concrete and pavement work.

King County > Metro Transit Department > Capital Division


General
Open
KC001691,3
Sep 15, 2026 01:30 PM
Sep 10, 2026 11:39 AM
$833,000.00
Small Business
Invitation for/to Bid (IFB/ITB)
Local
Ask AI about this solicitation
Contact
kelly.mckeever@kingcounty.gov
+12062639389
Submission Instructions
Online
Acknowledge all addenda before submitting a response
Description

King County is soliciting construction services for improvements at fuel and non-fuel underground storage tanks serving transit facilities. The scope includes cleaning, inspection, repair, and lining of seven existing USTs; permanent closure-in-place of three unused USTs; installation of supplementary sacrificial anodes for cathodic protection; replacement of tank-level monitoring and leak-detection systems; and installation of two aboveground storage tanks with associated footings, bracing, pumps, piping, sensors, and accessories. Additional work includes pavement and concrete removal and restoration, excavation, trenching, backfill, spill-bucket replacement, Washington State Department of Ecology site assessment, contaminated-soil hauling and disposal, and trench-excavation safety systems. Addendum 3 replaces the permanent-closure specification and requires employees performing the work to hold International Code Council UST Decommissioning certification. The engineer's estimate is $833,000, and the solicitation requires a bid guaranty of at least 5% of the total bid price, a minimum 10% utilization requirement for King County Certified Small Contractors and Suppliers, and a 10% apprentice utilization requirement.

Classification Codes
NAICS238910Site Preparation Contractors
PSCF109Leaking Underground Storage Tank Support Services
Smart Codes
underground storage tank servicesaboveground tank installationcathodic protection installation
Specifications
Supply & Service
Timeline
Aug 25, 2026 09:00 PM-Pre-Bid Conference (optional)
Meeting ID: 291 650 471 425 876; Passcode: 7vb738Va; dial in at +1 425-653-6586, phone conference ID 372 313 384#
Sep 10, 2026-Posting Date
Sep 10, 2026 06:39 PM-Open Date
Sep 15, 2026-Bid Opening (optional)
Meeting ID: 239 753 076 090 500; Passcode: 6jL2d8fc; dial in at +1 425-653-6586, phone conference ID 499 385 610#
Sep 15, 2026 08:30 PM-Close Date
Requirements
Required
  • General Liability
  • Workers Compensation
  • Auto Liability
Required
  • Bid Bond — 5%
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