Forging a Bright and Sustainable Future Together.    

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Our Projects

Engineering Sustainable Solutions Across Industries.

 

Benefits Health Systems Outpatient and Surgery Center

Helena, Montana

 

Pioneer recently concluded a comprehensive geotechnical drilling investigation and performed the foundation design for a new 4-story structural steel building, poised at the former mall location in Helena. The project faced a challenge as the team unearthed uncontrolled fill material, a remnant from the demolished mall structure. Further complicating the site conditions, laboratory analysis of consolidation tests indicated that the subgrade soil was prone to significant collapse when saturated. To address these challenges, Pioneer's design incorporated the use of rammed aggregate piers. This innovative technique was instrumental in stabilizing both the uncontrolled fill and the native subgrade soil, significantly mitigating the risk of settlement. In addition to the design phase, Pioneer meticulously oversaw the on-site quality assurance during the installation of the rammed aggregate piers, ensuring the intent of the design was met.

 

 

Prickly Pear Creek Realignment Project

East Helena, Montana

 

Near Helena, Montana, Pickly Pear Creek was contaminated after a century's worth of smelter activities deposited arsenic, lead, and other containments into its soil and groundwater. A 5-year cleanup solution included lowering the groundwater and restoring the creek to its natural channel. This included moving over a million cubic yards of materials. 

 

FIDIC - 2019 International Merit Award 

 

ACEC - 2019 Grand National and Montana Engineering Excellence Awards. 

  

Montana Contractors Association - Special Recognition Excellence Awards for Water Quality and Habitat Restoration. 

 

 

Since 2011, Pioneer has provided a full range of planning, data collection, environmental permitting, remedial design, project management, construction management, and monitoring services at the East Helena Smelter Resource Conservation and Recovery Act Site to support corrective measures implemented to remediate contaminated soil and groundwater at the site. The project removed a derelict dam and impacted reservoir sediments and then relocated approximately 1.25 miles of Prickly Pear Creek and its floodplain to the eastern margin of the site. These actions permanently lowered groundwater beneath the entire site and reduced groundwater flux through inaccessible contaminated soils which reduced contributions to the contaminated groundwater plume without long-term pumping.  

Pioneer completed the following major activities: 

 

1. Collected baseline stream, wetland, and soils data to support, permitting and design. 

2. The creek relocation project disturbed approximately 45 acres of jurisdictional wetlands and over a mile of 

    existing stream channel. Pioneer led the complicated permitting effort that

    included multiple joint applications, letter and conditional letter of map revision elements, floodplain permits, and

    a full range of other environmental permits.  

3. Designed the stream channel and floodplain to replace all wetland losses with functions and values (FEWA) that

    meet or exceed the pre-project conditions.  

4. Designed the stream and floodplain to provide the desired hydraulic controls for the site ground water remedy

    and to deliver materials for the final plant site cap. 

5. Finalized the design and mitigation plans, obtained all permits, solicited, awarded, managed and completed the

    construction contract. 

6. Construction was completed in July 2017 and Pioneer is currently performing monitoring and maintenance 

    activities at the site.  

 

 

 

 

CLIENT:   

Montana Environmental Trust Group, LLC (METG) 

 

LOCATION: 

East Helena, MT 

 

TIME: 

2011 to Present 

 

KEY PERSONNEL:   

Joel Gerhart, P.E. 

George Austiguy, P.E. 

Murray Strong 

Tony Wesche, P.E. 

 

CONTRACT AMOUNT:  

$2.3 Million- Planning and Design 

$11 Million - Construction 

 

SERVICES: 

Stream Assessment 

Wetlands Delineation 

Wetland Mitigation Design 

Wetland, Stream, and Environmental Permitting 

Stream Channel, Floodplain/ Wetland Design 

Project Coordination 

Construction Contracting Management/Oversight  

 

CONTACT: 

Ms. Cynthia Brooks, Trustee, President, METG, GETG 11 Flagg Street 

Unit 1 

Cambridge, MA 02138 617 448-9762  

cb@g-etg.com 

 

Powell Countywide Modernization Project

Powell County, Montana

 

Scope of Work:

 

As part of the Powell County Modernization project, Pioneer performed detailed survey, structure inventory, and site visits on the Clark Fork, Blackfoot, and Little Blackfoot Rivers and their tributaries. This work included hydraulic structure survey of 105 hydraulic structures, bathymetric channel cross

section survey at 182 channel locations and survey of reference marks at 8

United States Geological Survey (USGS) gaging stations. Structure Inventories of 74 stream spanning structures were performed. A total of 66 site visits were performed. All survey tasks and data acquisition were performed in accordance with FEMA and DNRC guidance standards.

 

Project Performance:

 

Results of the survey tasks were compiled into a report and submitted to DNRC and FEMA. The project was completed on schedule and within the original budget.

 

Knowledge Enhancement & Lessons Learned:

 

In the Global Positioning System (GPS) structure survey work early stages, field data was uploaded daily for engineering QA/QC and to expedite the development of structure drawings in AutoCAD. The QA/QC team members realized that field crews were collecting more survey points than needed to define the required bridge and culvert elements for modeling. These additional points were slowing both QA/QC and drafting efforts. In response, Pioneer developed a more concise and standardized list of required survey points and relayed the information to the survey field team. This updated method was used for the remainder of the GPS survey data acquisition and increased the efficiency of the survey field team, the QA/QC process, and the hydraulic engineering team.

 

 

 

 

CLIENT:   

Montana Department of Natural Resources and Conservation

 

LOCATION: 

Powell County, MT 

 

TIME: 

2011 to Present 

 

KEY PERSONNEL:   

Mark Meyer 

George Austiguy, P.E. 

Jon Jupka

David Wilson

Jacob Ulgenes

Mason Bowditch

Danny Reiss

Remy Georgeton

Jared Cooper

 

CONTRACT AMOUNT:  

$489,900 

 

SERVICES: 

Land Survey

Structure Survey

Bathymetric Survey 

 

CONTACT: 

Steve Story, Chief Water Operations Bureau

1424 9th Avenue

Helena, Montana

59620-1601

 

406-444-6816

sestory@mt.gov

 

Upper Harshaw Creek Mines Environmental Remediation

Santa Cruz County, Arizona

 

The Coronado National Forest is a United States National Forest that includes an area of about 1.78 million acres spread throughout mountain ranges in southeastern Arizona and southwestern New Mexico. Under CERCLA, officials developed an environmental cleanup plan for the abandoned Harshaw Creek Mines Sites within the forest. 

 

With a redesign required of the Marstellar Consolidation Cell to accommodate more waste, the Pioneer Team worked closely with the Forest Service to develop alternate plans and implement the preferred alternative.  At the Endless Chain Waste Rock site, more waste was consolidated in place than planned and the site was redesigned to accommodate the change. 

 

 

To remediate the Upper Harshaw Creek Mines in the Coronado National Forest, Santa Cruz County, Arizona, the Pioneer Team implemented a Forest Service design to reclaim historic mine waste at these sites. Remediation work involved: 

·                Construction of three separate, on-site consolidation cells for disposal of waste. 

·                Removal of over 78,000 cubic yards of contaminated waste rock and tailings from five abandoned mines: the Marstellar, Augusta, Blue Nose, Endless Chain, and Morning Glory Mine sites. 

·                Collection of confirmation samples from waste rock removal areas and use of field-portable X-Ray Fluorescence testing to ensure that cleanup levels for arsenic and lead were achieved at each location. 

·                Cover material placing over the consolidation cells. 

·                Road building, reclamation, channel construction, adit and shaft closure work. 

 

Oversight work required before and after surveys to calculate waste volumes and provide as-built drawings.  Density testing was conducted within the consolidation cells to verify proper compaction.   

 

Due to unforeseen conditions, the Pioneer team had to employ an adaptive approach to accommodate rock excavation in the consolidation cells and significant increases in waste volumes (over 56%).  By working closely with the Forest Service we were able to overcome these challenges and complete all work within the required project timeline. 

 

Work was completed at the Marstellar, Augusta, and Blue Nose sites in early March 2021. Construction on the Endless Chain and Morning Glory sites was completed in December 2021. 

 

 

 

 

CLIENT:   

USDA Forest Service

 

LOCATION: 

Coronado National Forest

Santa Cruz County, Arizona 

 

TIME: 

2020 to 2021

 

KEY PERSONNEL:   

Tim Ranf, P.E. 

Marty Bennett

Cedar Richards

 

Weston Solutions, Inc. (Construction Oversight)

 

Overley's, Inc. (Construction work) 

 

CONTRACT AMOUNT:  

$2,760,888

 

SERVICES: 

Environmental Remediation

Construction Oversight

Engineering Oversight

Construction

Surveying

 

CONTACT: 

Maria McGaha

USDA Forest Service

333 Broadway SE

Albuquerque, NM 87102

 

505-842-3837

maria.mcgaha@usda.gov