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Industrial Structural & Mechanical Engineering | Dos Santos Engineering

Field Service to Review HAC at St Mary’s Cement

Field Service to Review HAC at St Mary’s Cement Industry: Cement | Service: Engineering CHALLENGE: Evaluate issues occurring on the Sandwich Belt high angle conveyor system used to elevate raw mill feed to a silo conveyor. Identifying the Cause of Belt Buckling and Idler Wear DSI was asked to investigate an issue in which the […]

Upgrade of High Angle Conveyor for Cement

Upgrade of High Angle Conveyor Industry: Cement | Service: Engineering CHALLENGE: Inconsistency in the material at the inlet and outlet of the sandwiched belts reveals movement of the material enroute. Poor execution of the inflection zone. Non-compliant replacement belts. Incorrect idlers troughing angle, not correctly troughed and shimmed and pressing rolls were worn and needed […]

Wyodak Mine

Wyodak Mine Industry: Mining | Service: Engineering New Upper Support at HAC On the night of the 28th of June 2013, a large storm blew through the town of Gillette, Wyoming. This storm, with reported wind gusts above 120 mph, damaged the upper support of the High Angle Conveyor, R-1, at the Wyodak Mine. The […]

SakhalinCoal Project

SakhalinCoal Project Industry: Mining | Service: Feasibility Study Feasibility Study SakhalinCoal determined that the market for its coal at their mine on Sakhalin Island in Russia was abundant; however, increasing mine production to 5 MTPY with future expansion of 10 MTPY was met by challenges and limitations. These included: Consistency of mine production. Ability to […]

United Bulk Terminal — Elevated Dock Office Support Structure

United Bulk Terminal — Elevated Dock Office Support Structure Industry: Ports & Terminals  |  Service: Structural & Mechanical Engineering Location: United Bulk Terminal, Davant, LA The Challenge As part of United Bulk Terminal’s expansion program, the upper surge bin on the transfer tower was to be replaced with a new elevated dock office — a […]

United Bulk Terminal — Transfer Magnet Monorail Engineering

Industry: Ports & Terminals  |  Service: Lift Planning & Rigging Engineering, Structural & Mechanical Engineering Location: United Bulk Terminal, Davant, LA — C1–C2–C6 Transfer Tower The Challenge As part of the terminal’s expansion to add a parallel C2 conveyor alongside the existing C1, United Bulk Terminal needed magnetic separators installed at the C1–C6 transfer to […]

United Bulk Terminal — Sky Hopper Support Structure Engineering

Industry: Ports & Terminals  |  Service: Structural & Mechanical Engineering Location: United Bulk Terminal, Davant, LA The Challenge As part of a terminal expansion at United Bulk Terminal, a new C2 conveyor was to be installed parallel to the existing C1 conveyor on the C1–C2–C6 transfer tower. The new conveyor required the addition of new […]

Jaw Crusher Support Stand Design — Metal Recycling Facility

Industry: Metal Recycling  |  Service: Structural & Mechanical Engineering The Challenge A metal recycling plant needed a support stand designed for a new jaw crusher on a very compressed timeline. The urgency was compounded by the fact that complete dimensional and load data from the equipment supplier were not available when the design needed to […]

Derailed Coal Stacker Recovery — Emergency Structural Engineering and Lift Planning

Industry: Energy & Power  |  Service: Lift Planning & Rigging Engineering, Structural & Mechanical Engineering The Challenge Extreme high winds swept through a power plant stockyard and propelled an unsecured coal stacker down its track, through the end stops, until it came to rest on a hillside. The stacker’s yard conveyor truss and drive house […]

Shawnee Fossil Plant — New Hopper Design for Conveyor BC-9

Industry: Energy & Power  |  Service: Structural & Mechanical Engineering, Conveyor Engineering & Analysis Location: Shawnee Fossil Plant, Paducah, KY The Challenge Shawnee Fossil Plant needed to replace the reciprocating feeders feeding Conveyor BC-9 with new vibratory feeders, and replace the existing rack-and-pinion gate with a heavier-duty unit. What began as a local reinforcement and […]