5-Ch.6 DRAWINGS.pdf

PDF 617 KB Posted

Attached to
BD27-113 Wattis Mine Coal Fire Abatement
Solicitation number
BD27-113
Issued by
Cache County, Utah

About this file

This is a drawings file related to an RFP issued by the State of Utah Division of Purchasing, conducted by the Division of Oil, Gas, and Mining, for the Wattis Mine Coal Fire Abatement project in Carbon County. The project scope involves sealing five mine openings, eleven subsidence openings, fifteen exhaust vents and air intakes, and twenty-seven open cracks at an abandoned coal mine. Work methods include excavation and grading, drilling shallow borings, and use of a walker "spider" excavator with appropriate attachments to suffocate an active underground coal fire. A mandatory in-person site visit is required on Tuesday, October 20th at 10:00 am at the northwest parking lot located at the intersection of UT-10 S Carbon Avenue and Ridge Road in Carbon County, with GPS coordinates 39.536251, -110.816029. The meeting is expected to last approximately four hours and will involve driving and hiking over rugged terrain, with high-clearance four-wheel-drive vehicles recommended. Attendance by an authorized representative is mandatory for bid eligibility, and bids from firms not on record as attending the entire meeting will be considered nonresponsive. Bidders are advised to supplement the site visit by examining the project independently, though entry into the mines themselves is prohibited due to hazardous conditions.

The drawings file serves as a supporting exhibit to the RFP and provides technical documentation of the project site conditions and specifications. This file contains the visual representations and technical details necessary for bidders to develop accurate proposals and understand the scope of work involved in this specialized abandoned mine closure project. No additional pricing terms, set asides, incumbent information, or funding details are specified within the drawings file itself.

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Text version

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TRIM BROW OF LOOSE, UNSTABLE MATERIALS

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ANGLE OF REPOSE

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POLYUREA SILICATE FOAM INFILL

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2 MIN.

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(5' MINIMUM)

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HISTORIC BACKFILL

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ADIT DIMENSIONS VARY

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WATTIS COAL MINE FIRE 2 ABATEMENT PROJECT CONSTRUCTION SPECIFICATIONS

CHAPTER 7: MAPS & PROJECT SPECIFIC DRAWINGS

rmillar Callout 08-19-2026 rmillar Polygon rmillar Callout PRIOR TO EXCAVATION, DRILL INTO MINE "Y JUNCTION" OF HO1 AND HO2 PORTALS AND INJECT PUSF TO REDUCE COMBUSTION GASES rmillar Polygon rmillar Text Box

POLYUREA SILICATE FOAM (PUSF) INFILL

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BOREHOLE PATH AND CASING

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BEDROCK

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AFTER INFILLING IS COMPLETE, ADD BACKFILL AND BLEND TO MATCH EXISTING CONTOURS

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CLEAR HISTORIC BACKFILL MATERIAL AS NEEDED TO ACCESS MINE INTERIOR

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HO1/HO2 EXCAVATION & PUSF INFILL CLOSURE

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Dave Hibbard Sticky Note Completed set by Dave Hibbard

Dave Hibbard Sticky Note Completed set by Dave Hibbard

Dave Hibbard Sticky Note Completed set by Dave Hibbard

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APPLY PUSF INFILL TO 12 INCHES BELOW SURFACE

rmillar Callout FOR SURFACE FEATURES, APPLY PUSF TO EACH OPENING WITH A HAND APPLICATOR WAND TO SURFACE rmillar Callout FOR VENTING CRACKS, DRILL INTO THE CRACK AND INFILL WITH PUSF FROM THE BOTTOM OF BOREHOLE TO SURFACE rmillar Text Box

SOIL COVER

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TYPICAL HO3 BOREHOLE & SURFACE PUSF INFILL

rmillar Callout Designed by Brierley Associates Corporation Englewood, CO 80110 rmillar Callout 0300 & 0310 rmillar Callout

WATTIS COAL MINE FIRE 2 ABATEMENT PROJECT CONSTRUCTION SPECIFICATIONS

CHAPTER 7: MAPS & PROJECT SPECIFIC DRAWINGS

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COAL MINE OR SEAM

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BEDROCK

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POLYUREA SILICATE FOAM (PUSF) INFILL

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BOREHOLE PATH AND CASING

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RUBBLE AREA, CONTAINING VENTILATION PATHWAYS

RFQ-Coal-Seam-0871_001
Screenshot 2026-06-19 155556
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MT Coal Seam Fire Mitigation_COMPILED DRAFT
Table of Contents
Section 1: Brierley Associates Firm & Team Overview
Brierley Associates Corporation:
CM Thermal and Fire, LLC:
Section 2: Relevant Project Experience
Kenilworth Mine Fire Emergency Services, Kenilworth, UT
Wattis No. 2 Mine Fire, Wattis, UT
Legacy Coal Mining Geohazard Assessment, Central Illinois
Abandoned Mine Lands Subsidence Investigation, Inventory, Risk Assessment and Mitigation, Southeast/Northeast, WY
Coal Fire Engineering, Confidential Client
Coal Mine Fire Abatement Design and Construction Management PKA-1414, Garfield, Boulder and Rio Blanco Counties, Colorado, Colorado Division of Reclamation Mining and Safety
IHI No. 3 Coal Mine Fire Investigation, PKA-942, Colorado Division of Reclamation Mining and Safety, Rifle, Colorado
Section 3: Proposed Project Team
Construction and Project Oversight Roles and Responsibilities
Organizational Chart
Project Team Availability and Proximity
Section 4: Experience with Contractor Bid Documents
Section 5: Understanding of Coal Seam Fire Mitigation Challenges
Project Background
Fire History
Section 6: Field Investigation Approach and Proposed Strategy
Phase 1 – Inventory Review, Planning, and Scheduling
Phase 2 – Field Investigations
A. Surface Investigation
B. Subsurface Investigation and Monitoring
Phase 3 – Engineering Analysis and Mitigation Design
Phase 4 – Bid Package Development
Health and Safety
Section 7: References
Section 8: Brief Description of Recent Work Funded by EPA Or Other Federal Infrastructure/Climate Programs, and Experience Integrating BABA, Davis-Bacon, Or Similar Requirements
Attachment A: Resumes of Key Personnel
Attachment B: Dave Hallman’s Publication on Mine Fire Abatement Methods (March 2024)
Master Construction Specs - Master_Construction_Specs_WebsiteVersion042024
AditBackfillClosure_RM
20260806_BoreholeFoamInjection_Drawing 2.pdf
RFQ-Coal-Seam-0871_001
Screenshot 2026-06-19 155556
Screenshot 2026-06-19 162447
MT Coal Seam Fire Mitigation_COMPILED DRAFT
Table of Contents
Section 1: Brierley Associates Firm & Team Overview
Brierley Associates Corporation:
CM Thermal and Fire, LLC:
Section 2: Relevant Project Experience
Kenilworth Mine Fire Emergency Services, Kenilworth, UT
Wattis No. 2 Mine Fire, Wattis, UT
Legacy Coal Mining Geohazard Assessment, Central Illinois
Abandoned Mine Lands Subsidence Investigation, Inventory, Risk Assessment and Mitigation, Southeast/Northeast, WY
Coal Fire Engineering, Confidential Client
Coal Mine Fire Abatement Design and Construction Management PKA-1414, Garfield, Boulder and Rio Blanco Counties, Colorado, Colorado Division of Reclamation Mining and Safety
IHI No. 3 Coal Mine Fire Investigation, PKA-942, Colorado Division of Reclamation Mining and Safety, Rifle, Colorado
Section 3: Proposed Project Team
Construction and Project Oversight Roles and Responsibilities
Organizational Chart
Project Team Availability and Proximity
Section 4: Experience with Contractor Bid Documents
Section 5: Understanding of Coal Seam Fire Mitigation Challenges
Project Background
Fire History
Section 6: Field Investigation Approach and Proposed Strategy
Phase 1 – Inventory Review, Planning, and Scheduling
Phase 2 – Field Investigations
A. Surface Investigation
B. Subsurface Investigation and Monitoring
Phase 3 – Engineering Analysis and Mitigation Design
Phase 4 – Bid Package Development
Health and Safety
Section 7: References
Section 8: Brief Description of Recent Work Funded by EPA Or Other Federal Infrastructure/Climate Programs, and Experience Integrating BABA, Davis-Bacon, Or Similar Requirements
Attachment A: Resumes of Key Personnel
Attachment B: Dave Hallman’s Publication on Mine Fire Abatement Methods (March 2024)
Master Construction Specs - Master_Construction_Specs_WebsiteVersion042024
AditBackfillClosure_RM

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