COST COMPARISON BETWEEN SUBTERRENE AND CURRENT TUNNELING METHODS. APPENDIX A. BASELINE COST ANALYSES

A study was made to compare tunnel construction costs between the Subterrene tunneling system and methods currently in use. Three completed tunnels were selected for study cases to represent finished diameters ranging from 3.05 meters (10 feet) to 6.25 meters (20.5 feet). The study cases were normalized by deleting extraneous work and assigning labor, equipment, and materials costs for the Southern California area in 1974. Detailed cost estimates (shown in Appendix A) were then made for the three tunnels for baselines.

  • Supplemental Notes:
    • Paper copy also available in set of 3 reports as PB-244 480-SET, PC$19.00.
  • Corporate Authors:

    Mathews (AA) Incorporated

    11900 Parklawn Drive
    Rockville, MD  United States  20852

    National Science Foundation

    Division of Advanced Technology Applications
    Washington, DC  United States  20550
  • Authors:
    • Bledsoe, J D
    • Hill, J E
    • Coon, R F
  • Publication Date: 1975-5

Media Info

  • Pagination: 328 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00093191
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: 9013-A Final Rpt., NSF/RA/T-75-001A
  • Contract Numbers: NSF-C840
  • Files: TRIS
  • Created Date: Dec 3 1976 12:00AM