RISING ABOVE THE REALITY ON NEIS

This article describes the conditions faced during tunneling for the Northeast Interceptor Sewer (NEIS), being built along three reaches for the city of Los Angeles. Work began with pre-excavation grouting in mid-2002. The first of three Lovat TBMs arrived in March 2003. The 8.5 km alignment runs through loose alluvial deposits, with bolted and gasketed pre-cast concrete segmental primary lining before installation of internal pre-cast concrete carrier pipe. Describes adjustments made to the machines, difficulties of working in "gassy" ground and the compressed air systems needed. The job is 99% complete and should come in on time and within budget.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/0041414X
• Supplemental Notes:
  • Special issue: Tunnels & Tunnelling North America, Vol. 12, March 2004
• Corporate Authors:

  Polygon Media Limited

  Tubs Hill House, London Road
  Sevenoaks, Kent TN13 1BY,   United Kingdom 
• Authors:
  • Wallis, S
• Publication Date: 2004-3

Language

• English

Media Info

• Features: Figures; Photos;
• Pagination: p. 25-27
• Serial:
  • Tunnels & Tunnelling International
  • Volume: 12
  • Publisher: Progressive Media Markets, Ltd
  • ISSN: 0041-414X

Subject/Index Terms

• TRT Terms: Earth pressure; Excavation and tunneling; Excavations; Grout; Sewers; Soil stabilization; Tunnel borers
• Geographic Terms: Los Angeles (California)
• Subject Areas: Geotechnology; Pipelines;

Filing Info

• Accession Number: 00973130
• Record Type: Publication
• Source Agency: UC Berkeley Transportation Library
• Files: BTRIS, TRIS
• Created Date: May 3 2004 12:00AM