H.B. Fleming has been amassing geotechnical design-build experience for the better part of a century. These projects illustrate the breadth and depth of our expertise.
Owner: Vermont Agency of Transportation (VTrans) Partner: S.D. Ireland Type: Richmond, Vermont Location: Merrimack, New Hampshire Project Description: HB Fleming installed a 240-foot sheet pile wall to support a 60-foot-deep excavation, next to fast-moving traffic on I-89. The sheet pile wall was designed to accommodate a future phase, in which the other side of I-89…
DetailsOwner: Lynn Water and Sewer Commission Partner: Methuen Construction Location: Lynn, Massachusetts Project Description: HB Fleming constructed five cofferdams to allow construction of a new pump station along with launching/receiving pits for a micro-tunneling operation. We drove 150 piles to support the new pump station. Challenge: The project required excavating 40 feet deep in soft…
DetailsOwner: PBM Nutritionals LLC Partner: PC Construction Location: Georgia, Vermont Project Description: HB Fleming drove 12 test piles at four different locations using high-strain dynamic testing. We also designed and performed a static load test with a maximum test load of 1,050,000 lbs. Challenge: We were asked to evaluate potential foundations for a proposed manufacturing…
DetailsOwner: Novo Nordisk Partner: Turner Location: Lebanon, New Hampshire Project Description: HB Fleming installed 14 helical piles with a 40-ton design capacity to support a 23 x 9’ footing on soft soil. Challenge: When excavating for footings, an area of soft soil was uncovered near an old excavation support structure, which could not support the…
DetailsOwner: Redgate Partner: Callahan Construction Managers Type: Infrastructure Support Location: Revere, Massachusetts Project Description: HB Fleming drove 340 piles 120 feet deep to conduct a static load test to 480 feet prior to installing a 340-foot-long permanent sheet pile bulkhead. We also installed six helical piles for a canopy structure. Challenge: The project had an…
DetailsOwner: Greater Augusta Utility District Partner: D&C Construction Location: Augusta, Maine Project Overview: HB Fleming installed two pipes, totaling 900 feet, across the Kennebec River and built a 180 foot-long trestle to launch two barges. Challenge: A 125-foot navigable channel needed to be maintained in the river at all times. Excavated material could not leave the…
DetailsOwner: ALDI Grocery Stores Partner: Fortunato Construction Location: Westfield, Massachusetts Project Description: HB Fleming installed 316 helical piles to support uplift loading at a new ALDI grocery store. Challenge: A layer of dense fill at the surface made installation to the required depth difficult. Solution: To get beyond the dense fill, the team pre-drilled the…
DetailsOwner: Maine Water Company Partner: Sargent Corporation Type: Access Platform/Trestle, Subaqueous Pipeline Location: Skowhegan, Maine Project Description: H.B. Fleming installed a 260-foot long trestle to accommodate a 110-ton crane and excavators, excavated a trench for the new water intake line, and fused and sunk a new 12″ HDPT pipe with intake screen. Challenge: Install a…
DetailsOwner: Town of Concord Partner: D&C Construction Type: Access Platform/Trestle, Subaqueous Pipeline Location: Acton, Massachusetts Project Description: For this project, H.B. Fleming fused and installed 1,100 linear feet of 20″ pipe, connected new pipe to the existing pipeline, and designed and fabricated a pile-supported frame to support the intake. Challenge: Install a new drinking-water intake…
DetailsOwner: University of Southern Maine Partner: PC Construction Type: Ground Improvement, Rock Anchors Location: Portland, Maine Project Description: For this project, HB Fleming installed 24 rock anchors with a design load of 206 kips in tension, 378 rigid inclusions with a design load of 106 kips in compression, 106 stone columns with a design load…
DetailsOwner: City of Portland Partner: Sargent Corporation Type: Excavation Support Location: Portland, Maine Project Description: Drove 1.8 million pounds of sheet pile up to 98 feet deep; installed 1.3 million pounds of internal framework. Challenge: The combined sewer overflow storage tank required excavating 36 feet below grade in soft soils next to an existing highway…
DetailsOwner: McNabb Properties Partner: Severino Trucking Type: Excavation Support Location: Portsmouth, New Hampshire Project Description: Installed 450 linear feet of shoring for a 25-foot excavation; installed and tested 59, 85-kip-capacity soil anchors; installed and tested 18, 85-kip-capacity rock anchors. Challenge: Plans for the proposed building called for excavating up to 20 feet below the bedrock…
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