Detailed summary of the working group on environmental control (T6) Page: 1 of 13
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FERMILAB-Conf-01/440 November 2002
Detailed Summary of the Working Group on Environmental
S Control (T6)
E Wilhelm Bialowons
tam Chris Laughton
For the next generation of large accelerators, the civil engineering of accelerator tunnels and
associated underground enclosures will be a major component of the technical challenge of build-
ing such machines. Because of the large scale involved, the engineering will be required to be as
cost-effective as possible, and issues such as ground motion and artificial sources of vibration in
the environment will need to be carefully considered. Installation and alignment of the machine
components will be tasks of unprecedented scope, and will require unprecedented precision. Ex-
amine in detail the most important and most difficult aspects of these challenges, both from the
point of view of performance and cost-effectiveness. In particular, identify what the site require-
ments are for the different machines under discussion (JLC, NLC, TESLA, VLHC, Muon source), and
describe how tunneling methods are affected by them. Identify, for the different types of acceler-
ators, the different length scales that are involved in defining the alignment tolerances, and what
are the tolerances over that length scale. Specify the R&D efforts needed to define the scope of
the most critical challenges, and prioritize the efforts, in terms of the potential to provide maximal
performance and/or cost-effectiveness. Establish a technology-limited time line, and the resource
requirements, for the most important of these efforts.
Fred Asiri, SLAC; Ralph Assmann, CERN; Lars Babendererde, Babendererde Ingenieure GmbH;
Robert Bauer, Illinois State Geological Survey; Wilhelm Bialowons, DESY; Reinhard Brinkmann,
DESY; Phil Burrows, Oxford; John Cogan, SLAC; Clay Corvin, SLAC; Bill Foster, FNAL; Joe Frisch,
SLAC; Peter Garbincius, FNAL; Lindemar Hdnisch, DESY; Linda Hendrickson, SLAC; Keith Jobe,
SLAC; Vic Kuchler, FNAL; Joe Lach, FNAL; Chris Laughton, FNAL; Catherine LeCocq, SLAC; Tom
Mattison, UBC; Rainer Pitthan, SLAC; Johannes Prenting, DESY; Armin Reichold, Oxford; Michael
Schmitz, DESY; Andrei Seryi, SLAC; Nick Simos, BNL; Steve Smith, SLAC; Peter Tenenbaum, SLAC;
Toby Wightman, American Underground Construction Association.
3. Tunneling experts (attended the workshop during July 9-10)
Robert Bauer, Illinois State Geological Survey
Lars Babendererde, Babendererde Ingenieure GmbH
Philip Frame, Consultant Geologist
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Bialowons, Wilhelm; Laughton, Chris & Seryi, Andrei. Detailed summary of the working group on environmental control (T6), article, November 21, 2002; Batavia, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc739776/m1/1/: accessed April 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.