Owner: 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…
Owner: 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…
Owner: 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…
Owner: Maine Turnpike Authority Partner: Reed & Reed Type: Highway Construction Location: York, Maine Project Description: H.B. Fleming is constructing 28 rock-socketed, drilled-shaft foundations to support the new toll gantries and overhead signage. Challenge: The project requires drilling hard rock at multiple locations in multiple phases. Solution: To minimize drilling durations at each location and…