Attachment 2: Statement of Work S. Fork Bunkhouse Well

US Department of Agriculture (USDA)

Statement of Work

Project
South Fork Bunkhouse Well Abandonment
General Information

1.0 Scope of Work

The Rio Grande National Forest is seeking a Contractor to abandon a water well. The purpose of the contract is to ensure the abandoned well is plugged according to the regulations and requirements of the Colorado Division of Water Resources. The optional item will include provisions for abandonment beyond the depth estimated.

2.0 Background

In the town of South Fork, Colorado the Rio Grande National Forest operates a private water system and recently installed a new well to replace an old well to supply water to a bunkhouse and ancillary dwelling. The old well needs to be abandoned per State regulation. The well needed to be abandoned is approximately 101 feet deep in an unconfined aquifer (Type II) and is located as specified on Form GWS-44. Contractor Requirements

3.0 Technical Requirements / Tasks

Abandon Existing Well
• The Contractor shall provide all materials, labor, equipment, tools, transportation, permits, licenses, supervision, expertise, and other incidentals necessary to successfully plug and abandon the existing well per Colorado Division of Water Resources 2 CCR 402-2 Rule 16 – Standards for Plugging, Sealing, and Abandoning Wells and Boreholes. The existing well is approximately 101 feet in depth. o Well must be plugged, sealed, and abandoned by filling the well to the static water level with clean sand, clean gravel, approved grout or coated (to delay hydration) granular bentonite. o Between the static water level and the ground surface, the borehole must be filled with clean native clay, approved grout, drill cuttings, or granular bentonite grout to the ground surface. The uppermost five (5) feet of casing must be filled with approved grout, or a permanent watertight cover must be installed at the top of the casing. Casing does not need to be removed. • The Contractor shall salvage the existing submersible pump, and give to COR. • The contractor shall dispose of the drop pipe.
• The Contractor shall submit a Well Abandonment Report to the Colorado Division of Water Resources as stated on Form GWS-44 Well Permit Application.

4.0 Government Furnished

No Government Furnished materials shall be provided.

5.0 Deliverables / Schedule

• Project Schedule/Timeline, describing the approximate timeline for completing the project task. • Copy and proof of submitted a Well Abandonment Report to the Colorado Division of Water Resources (using