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Gallup Allison Phase III Emergency Project

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The AML Program, in partnership with the U.S. Department of the Interior, Office of Surface Mining Reclamation and Enforcement (OSMRE), is responding to abate hazardous conditions caused by open subsidence features above an abandoned underground coal mine in Allison, New Mexico.

The Phase III work addresses continuing subsidence issues at the Allison project site. In 2016, the AML Program completed an investigation and construction to safeguard a large sinkhole partially located in the backyard of a residential property in Allison.  Shortly after completion of this phase of work, a secondary sinkhole opened at the site, and ground cracks surrounding the sinkhole area continued to widen and deepen.  Growing subsidence features present a significant risk to property and public health and safety at the Allison site.

This project involves the following work:

  • Site clearing and grubbing
  • Drilling and injection grouting to construct a bulkhead in underground mine workings and to compact subsurface soils
  • Excavation and backfill within an existing sinkhole and associated tension cracks and piping holes associated with underground mine workings
  • Re-establishing an existing drainage channel
  • Seedbed preparation, seeding, and mulching

Public Notice

Notice Type

Date & Time

Type of Meeting

Attendance List

Public Meeting


 Allison Emergency Project – Phase III Project Manual


Figure 1 (Title Sheet)                     Figure 4 ( Cross Section)
Figure 1 (Site Location Map)          Figure 5 (Bulkhead)
Figure 3 (Drillholes)                        Figure 6 (Compaction)

Emergency Bid

Pre-Bid Opening

Emergency Bid: 
Abandoned Mine Land Program
DATE: September 29, 2017, at 5:00 PM

DATE: Friday, September 22, 2017, 11:30 AM

BID DOCUMENT – Please follow instructions below:
1. Please READ all information in project manual before submitting a bid. 
2. Upon entering all your data into form do a “SAVE AS” and save into your computer if you wish to save document.
3. To print, click on the FILE tab then arrow down to PRINT.
4. Sign form and mail to:
General Services Department
Purchasing Division
P.O. Box 6850
Santa Fe, NM 87502
(505) 827-0472

NEW MEXICO PAY EQUITY INITIATIVE – Executive Order #2009-049 December 18, 2009

NOTE:  Technical questions and/or comments contact: Meghan McDonald @ 505.476.3408 or e-mail

Completion of Contract

Year Completed: 
Cost: $1,921,356.53
Project Engineer: Meghan McDonald, P.E. 
Project Manager: