• Publication Date:
  • Publication Type:
    Proposed Rule
  • Fed Register #:
    50:33357-9
  • Standard Number:
  • Title:
    Underground Construction
  • Abstract:

    Underground construction of tunnels and shafts. Rulemaking record is reopened for the limited purpose of receiving public comment on new data pertaining to the prevalence of of certain gassy conditions in tunnel construction and the impact of these data on the costs of operating under those conditions. The record will remain open and public comment will be received until October 18, 1985.

Abstract:
Underground construction of tunnels and shafts. Rulemaking record is
reopened for the limited purpose of receiving public comment on new
data pertaining to the prevalence of of certain gassy conditions in
tunnel construction and the impact of these data on the costs of
operating under those conditions. The record will remain open and
public comment will be received until October 18, 1985.