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Danish Flats Environmental Services


Challenge
Design and construction document preparation for a series of ponds and piping that includes one sludge pond and 13 evaporation ponds on 65 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 20 ponds (currently have built 13 ponds) at 5 acres in size each. The facility was designed and constructed in two phases with Phase 1 having 8 ponds, and Phase 2 permitted for 12 additional ponds (currently at 5 ponds operational). 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 weighing scales.
  • 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.
  • The sludge pond is covered with bird control netting.
  • Conveyance piping and valves.
  • Currently constructed 13 - 5 acre evaporation ponds lined with compacted clay and 60-mil HDPE geomembrane at 65 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 with 13 ponds in operation out of a possible 20 ponds under the permit. WBC has provided and will continue to provide the construction quality assurance (CQA) services to ensure that the facility is completed per the design and to acquire approval from the regulatory agencies.