Secondary (fine) Ore Cusher-7C Dribble Chute and Platform

Posted on July 11th, 2024 by sl-dev

The client was looking for a safer and more efficient way to transfer ore to the main course ore bin. The existing ore dribble chute was scanned in 3D and used to design a new dribble chute and platform. The new dribble chute design changed the location of discharge from a conveyor directly to course […]

Primary Crusher Belt Feeder – Motor Lifting Plan

Posted on July 11th, 2024 by sl-dev

Crush/Convey department wanted to implement a new system to lift and convey belt feeder drive motors to a roof opening area. Project objective was to evaluate existing capacity of ceiling beams for trolley and hoist system designed to remove and install belt feeder motors to a roof opening area. Bowman provided a load rating and […]

Fine Ore Cusher – 7B Conveyor Counterweight Evaluation

Posted on July 11th, 2024 by sl-dev

The existing counterweight on the 7B conveyor had a winch system with inadequate lug connections and was rigged at an improper angle, which created structural integrity issues. Bowman calculated the take-up weight on lateral beams to size counterweight box and evaluated counterweight lifting methods compared to the existing winch system. Bowman prepared an economic trade-off […]

Sierrita Mine Access Road Grading and Drainage Plan

Posted on July 3rd, 2024 by sl-dev

Bowman provided engineering services for a construction drawing package for access road grading and drainage improvements. The haul roads were severely damage during storm events so collection, conveyance channels, sediment traps and culverts were designed to manage a 25-year, 24-hour storm event. The design also included a paving plan for specific haul road sections to […]

New SX Settlers Feasibility Engineering

Posted on July 3rd, 2024 by sl-dev

Based on previous wash settler design experience, Bowman was uniquely qualified to do a feasibility study (FS) design for a new solvent extraction (SX) plant at a different operation for the Sierrita Mine. The project required a closely coordinated team of process, mechanical, civil, structural and electrical engineers. Bowman successfully integrated Plant 3D, Revit and […]

Hayden AB-BC TSF Decant System

Posted on July 3rd, 2024 by sl-dev

Bowman provided construction engineering services. Because of changes in the planned use of the AB-BC Tailings storage facility, the diameter of the slurry distribution pipes were reduced from 18” to 12”. This and other changes were implemented in the pump set ups. These changes resulted in overall improved decant system efficiency.

Dysart Unified School District

Posted on May 28th, 2024 by Jillian Taylor

Topographic survey, civil site design, construction services, and construction staking for a new district vehicle support facility on a 26 acre site. The facility has concrete parking for 200 buses, a warehouse and District support and training building.

Buckeye Elementary School

Posted on May 23rd, 2024 by Jillian Taylor

Twenty-eight acre site for construction of new district office, warehouse, bus facility and 4000 LF of half street improvements for a major arterial roadway. We provided civil engineering design services for Durango Road, which included paving, sewer, and public water.

Maricopa Unified School District

Posted on May 21st, 2024 by Jillian Taylor

This project involved topographic survey, new sewer design to replace existing septic system and complete onsite and offsite civil design services, including grading and drainage, domestic water, private fire line, 4 tennis courts, 2 large parking lots, 2 bus drop-offs, all weather running track, football, baseball and softball fields.

Arizona State University Gammage Auditorium

Posted on October 5th, 2023 by Ji Lee

Provide code consulting and fire protection design services for this 3,000-seat auditorium designed by Frank Lloyd Wright in 1964. The building is listed on the National Register of Historic Places and, as the last publicly commissioned building designed by Wright, it is architecturally and culturally significant to Arizona.