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Danish Flats Environmental Services


Challenge

Design and construction bid document preparation for a series of ponds and piping that includes one sludge pond and 8 evaporation ponds on 42.5 acres of lined area with HDPE to commercially dispose of and evaporate produced water from oil and gas projects throughout the region.

Solution
Weaver Boos Consultants, LLC (WBC) designed a facility to commercially dispose of produced water that will be trucked to the site for evaporation in a series of 8 ponds at 5 acres in size each.  The facility is designed to handle tanker trucks delivering the production or “brine” water on a 24 hour per day basis.

The site is located in a remote arid region of eastern Utah located approximately 3 miles north of the Cisco, UT exit 212 from Route 70, and approximately 43 miles west of the Utah-Colorado state border.  The site is ideally situated for the produced water disposal facility given that there are no residences within 20 miles, the climate is arid, and the nearest surface body of water is approximately 7 miles to the south.

The facility is comprised of the following:

  • An access road.
  • Truck off-loading pad.
  • Truck off-loading stand-pipes.
  • 6 concrete acceptance pits.
  • A sludge pond lined with compacted clay and 60-mil thick HDPE geomembrane at 2.5 acres in size.
  • Conveyance piping and valves.
  • 8 – 5 acre evaporation ponds lined with compacted clay and 60-mil HDPE geomembrane at 40 acres in total area.
  • Leak detection sumps and observation pipes.
  • Drainage controls.

Results
WBC completed the design and permit documents for submission to the State of Utah Department of Natural Resources, Division of Oil, Gas, and Mining.  The permit was approved and the design was then offered to select contractors for bids.  WBC performed the bid document distribution, answered bidder questions, and received the bidders’ proposals.  A contractor was recommended and the facility is currently under construction.  WBC is providing the construction quality assurance (CQA) services to ensure that the facility is completed per the design.