Bridges
Butler Engineering can provide Engineering expertise and staffing necessary to service Central and Southeastern Idaho. Our structure design includes all detailing, plan quantities, plans and specifications. These structures have been designed in accordance with current AASHTO specifications and the procedures outlined in the ITD Design Manuals. The bridge and structure design is performed by Robert B. Butler, PE/LS, Anthony Koon, PE, and Eric Rawlins, EIT.
Our engineering staff performs regular checking of concepts and calculations for high quality design. Senior engineers always review the work of other engineers.
Our engineering staff performs their work in accordance with the AASHTO LRFD accepted standards and practices, performing quality control checks at all stages of their work. Individual project specifications are reviewed prior to beginning the project and the Client’s staff is appraised of all checks in accordance with their published specifications. Management level performs independent checks of the design engineer’s work.
• Site Review. Coordinate and meet on site with the Client and government officials to discuss alternatives. Obtain from Client all pertinent information pertaining to existing utilities, property ownerships and other GIS data.
• Preliminary Design. The purpose of the preliminary design is to initiate, resolve, and approve the overall design aspects. The preliminary design will use the design standards established during the site review phase and will set the characteristics of the road. Butler will use GPS field surveying to collect the data meeting industry standards. Project base maps will be prepared using the survey data and record drawings of previous utility projects. Right of Way surveys will also be provided to define Right of Way lines within the project area. Civil design will use the surveying to refine the planning efforts on the accepted alternative. The horizontal alignment and vertical grade of the Roadway and Bridge will be set by use of established design standards. Storm drain issues, intersection layout, signing and pavement markings and traffic control will be addressed. To complete the preliminary design, value-engineering studies will be conducted to ensure the designs are the most economical and take advantage of existing resources.
• Final Design. The final design is the result of detailed assessments about design guidelines, plan review, right-of way, utility location, materials, storm drainage, time determination, special provisions, agreements, and estimate of cost that must all be addressed prior to finalizing a project. Material Reports provided by Butler will contain necessary design information and will be finalized during this phase.
• Plans, Specifications & Estimate. The final step before Bid is to revise the plans and incorporate design changes resulting from final design review. The plans, specifications and cost estimate will be stamped by the responsible design engineers, registered in the State of Idaho and submitted to the Client for construction advertising and bidding.
• Project Management and Construction Inspection. We will assist the Client on managing the project construction. We will provide bidding packages of final plans and specifications and recommend the award to the lowest responsible bidder after review of all submitted bid documents. We will provide survey layout and project quality control testing and inspection. Throughout the development of plans and the construction of the project, we will be available to make presentations and reports to Client.
• Provide As Constructed Plans. When project is completed, we will provide as constructed plans.