CONTRACTOR'S VIEW OF OPTIMIZING MATERIALS AND ENERGY

Changes (which have been necessitated by shortages) in the highway contracting and construction fields are categorized, policies established by general contractors in times of shortages are listed, and 12 suggestions are made for cutting costs in highway construciton. It is recommended that restrictive specifications requiring fixed-form construction be replaced with provisions allowing the option of using slip- form techniques in such areas as the placement, consolidation and finishing of portland cement concrete. The requirements for reinforcing steel could be simplified particularly with respect to median barriers. The increased use of prefabricated bridge components is recommended for standardization of bridge components. It is proposed that precast inlet and manhole standard details be developed and included in contracts as acceptable alternatives, and that efforts be made to use naturally occurring materials as aggregates. Where site conditions permit, alternative designs for pipes should be prepared. Standard contract provisions should permit the elimination of transverse steel in continuously reinforced concrete pavement. It is also recommended that the concept of flare-end section of pipe be implemented in lieu of headwalls. Further recommendations are presented which relate to national standardization of highway elements; the substitution of latex, acrylic and polyester coatings; minimization of geometric complexities in bridges, thick lift bituminous paving, and the use of the dryer drum.

Media Info

  • Media Type: Print
  • Pagination: pp 29-33
  • Monograph Title: OPTIMIZING THE USE OF MATERIALS AND ENERGY IN TRANSPORTATION CONSTRUCTION
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00149912
  • Record Type: Publication
  • Files: TRIS, TRB, ATRI
  • Created Date: Apr 13 1977 12:00AM