Past Projects

Some of the past projects that our teams delivered as Dunn Hiebert & Associates Ltd.:

Alliance Pipeline Project

220 km of 20"and 30" LNG pipeline in NE British Columbia and NW Alberta, for Alliance. Scope was construction inspection and construction management, and engineering support during construction. With both winter and summer construction, through a broad range of muskeg swamp, rolling bush land, and developed farmland.

Access NEX 42"

300 km of 42" pipe from Conklin, AB to Sturgeon Terminal. The project featured three spreads (Central, South and North). Scope included inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (May 2012-May 2015).

Enbridge

Enbridge Alberta Clipper LSR Pipe Line Project:

340 km of 36" oil pipeline through the NE Alberta, for Enbridge. Scope was construction management, administration and inspection and engineering support during construction . Construction was both winter and summer, through farm land, private acreages and Edmonton's refinery district.

Enbridge Athabasca Pipeline Twinning Project Spread 3 & 4

136 km of 36” pipe from north of Vermillion, AB to Hardisty, AB. inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (June 2013-November 2014).

Enbridge Wood Buffalo Extension

106 km of 36” pipe from Enbridge Cheecham terminal, AB to Kirby Lake, AB. Scope inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (October 2015-April 2016).

Enbridge Norlite Diluent Pipeline Project

250 km of 24” Pipe Mainline construction featuring two winter spreads and a summer spread. Scope included inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (November 2015-March 2018).

Enbridge Line 3 Replacement-Spread 1 & 2

260 km of 36” pipe from Hardisty Station, AB to Rosetown, SK. Scope includes inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (July 2017-Present)

Enbridge Wyndwood Expansion Project

27 km of 36” expansion loop from Stone Creek, B.C. to Enbridge’s Compressor Station 2 at Willow Flats, B.C. Scope includes inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (October 2017-Present).

Murphy

Murphy West Tupper Gathering System

In NW British Columbia for Murphy Oil, Scope was initial routing a multi line ditch (16", 8" and two 4") engineering support right through all phases through construction management, administration and inspection.

Murphy East and West Tupper Gas Plants and Sales Lines:

In NW British Columbia for Murphy Oil: Scope included assist engineering with plant lay out, regulatory and mechanical and electrical though the construction management, administration and inspection.

Spectra Energy

Spectra Energy South Peace Pipe Line Project

90 km of 20" natural gas pipeline in interior NE British Columbia, for Spectra Energy. Scope included initial routing, regulatory support, detailed design support, assist with construction contract documents, construction inspection and construction management, engineering support during construction. Construction was done in the summer and early winter, through a broad range of muskeg swamps, rolling bush land, rocky terrain and developed and undeveloped farmland and the environmental sensitive Ottata creek area.

Spectra Energy Dawson Creek Gas Plant

Two phases for Spectra Energy: Scope included construction management, administration and inspection on site and off.

Spectra Energy T-North 2011 Looping Project

Two section adding up to 57 km of 36" natural gas pipeline through NE British Columbia, for Spectra Energy: Scope included initial routing, assist in environmental assessment and land owner concerns, assist with bid document and support engineering through field construction, management, administration and inspection.

Spectra Energy T-North 2012 Looping Project

27 km of 42" natural gas pipeline through NE British Columbia, for Spectra Energy: Scope included initial routing, assist in environmental assessment and land owner concerns, assist with bid document and support engineering through field construction, management, administration and inspection.

Spectra Energy Prince Rupert LNG Project

842 km initial routing of pipeline corridor for a 48" pipeline for Spectra Energy: Scope initial routing for constructability and the access to engage the services of environmental crews, geotechnical crews to start the regulatory process.

Spectra Jackfish Lake Expansion Project

Two expansion loop segments (13 km and 23 km) of 36” pipe, including new compressor install and compressor modification. Scope included inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (August 2016-April 2017).

Williams Energy

Williams Energy Boreal Pipeline Project

400 km of 12" for Williams Energy: Scope included field inspection and administration, and engineering support during construction, through muskeg areas, forested and developed farmland, with a major crossing on the Athabasca.

Williams Energy Horizon Lateral Project- 67.7 km of 8” pipeline connecting the Williams Horizon Liquid Plant (HELP), north of Fort McMurray to the William Boreal Pipeline tie-in location. inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (Fall 2015-Winter 2016).
Williams Energy Boreal Pipeline Project

400 km of 12” pipe from Red Water, AB to the Suncor Plant in Fort McMurray, AB. inspection and supervision of all construction activities and mainline installation, administration and assisting project management team and engineering through all phases of construction activities (November 2010 to April 2012).