The design of the approximately 650-foot long loadout building integrated several measures for the collection and containment of spills. The storage tank containment was constructed of clay that was native to the site, and was proved acceptable for use through tests conducted by the Pinnacle team. Pinnacle designed secondary containment systems for the storage tank farm (three 98,000 barrel tanks), the rail loadout building, and the truck unloading area to meet federal SPCC requirements. The use of soil cement enabled Pinnacle to reduce the amount of imported crushed rock required to carry both heavy truck and train car loads. Due to existing silty soil conditions, soil cement was used as an innovative solution for stabilization under all rails and switches and for heavily traveled trucking areas, increasing the durability of the truck roads while minimizing construction and maintenance costs. Pinnacle also assisted the client with environmental services, including environmental due diligence for land acquisition acquisition of an air permit, wetland fill permit, construction stormwater permit, and industrial stormwater permit and completion of an SPCC plan, FRP, construction SWPPP, and industrial SWPPP.Ĭivil engineering design tasks on the project included completing the earthwork balance design (involving the movement of nearly 400,000 cubic yards of fine clay material), SWPPP design/plans, drainage design, secondary containment design, and wetlands mitigation design services. These studies provided the client with the information needed to authorize the preparation of plans and specifications for a complete rail loop transloading facility.Īs lead engineer for the client’s project team, Pinnacle provided the civil engineering design for the approximately 200-acre facility, and retained another civil engineering firm to design track and switches as well as a bridge required for crossing to the inside of the loop. The study expanded to a double loop track transloading facility where crude oil could be brought to the site by truck and pipeline, then piped into three 90,000 bbl (oil barrels) storage tanks, enabling the owner to off-load crude oil into unit trains.
Pinnacle provided additional services for the client by preparing a feasibility study for a loop track transloading facility, which would enable the client to dramatically reduce loading and shipping costs. Pinnacle Engineering assisted a North Dakota client with environmental issues related to an existing four-track (40 cars each) facility that transloaded crude oil from trucks to rail cars in North Dakota.
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