![]() ![]() The National Center for Asphalt Technology was the first to conduct checks, then an independent pavement consulting firm ran tests for smoothness before a final inspection was conducted by an independent pavement engineer.ĭallas County is one of the fastest growing counties in the state of Iowa, and with growth comes an increase in traffic. The pavement goes through three rounds of judging. The Hayes award is given each year by the National Asphalt Pavement Association (NAPA) to the HMA pavement judged the highest quality in the nation. The goal was accomplished in a big and unique way during the construction of two new lanes of highway on Iowa 141 in Dallas County in 1997, as over 346,000 tons of material was produced and placed during the project, which finished a year ahead of schedule and earned the company the Sheldon G. 1 objective of highway construction: Keep the masses moving. If you need to modify the SUDAS manuals to meet your jurisdiction’s needs, please read this document first.By: Bill WilsonDes Moines Asphalt & Paving Co. The SUDAS Specifications are also included on the Iowa DOT’s Electronic Reference Library (ERL). These documents supersede the standard specifications and take precedence as the work is pursued.īe sure to check the General Supplemental Specifications page to see if any changes to the Specifications Manual have been approved by the SUDAS Board of Directors. If specific testing processes are required, they may be included within the execution requirements or as a separate section within the division.īefore compiling their bids, it is critical for contractors to check the special provisions for each contract and also any supplemental specifications that the contracting authority may have that modify the standard specifications. In addition, figures are included to further clarify construction or product requirements. The construction activities are tailored to the specific products used. If the engineer does not specify which products can or cannot be used, the contractor may select from the included products to incorporate into the project.Ĭonstruction requirements are included in the third part of each division, called execution. ![]() ![]() The second part of each division lists a menu of acceptable products to be used to accomplish the project. It also lists what work activities are included in each bid item and how each item will be measured and paid for. The first part, general, provides a description of the type of work, as well as any specific requirements of the project. The Specifications Manual is set up in a consistent three-part format. The initial division includes the specific bidding requirements, legal requirements related to public contracts in Iowa, and contractual requirements that must be met to successfully complete the project. These standard specifications were developed with the involvement of engineers and construction industry representatives from across the state. The engineer provides specific requirements through the specifications for the contractor to complete the project. The SUDAS Standard Specifications Manual is written to the contractor. Click here for a PDF containing all of the SUDAS Specifications figures. Previous editions of the SUDAS Standard Specifications can be found here.Ĭlick here for a complete list of the SUDAS Specifications figures. When the SUDAS Board of Directors approves changes to the SUDAS Standard Specifications, those changes can be found on the General Supplemental Specifications page. The SUDAS manuals are revised once a year, usually in December. The current version of the SUDAS Standard Specifications is the 2023 Edition ![]()
0 Comments
Leave a Reply. |