# Title
 1  2010 - 10/01/2010 - Applicablity of Subpart S to tunnels contructed by auger boring.
 2  2002 - 11/29/2002 - Typographical error in internet text of 1926.800(r)(13)(ii).
 3  2002 - 08/08/2002 - Request for an interpretation regarding the applicability of 1926.800 to the Fort Point Channel Crossing Immersed Tube. Tunnel.
 4  2001 - 05/23/2001 - Construction standards for equipment such as Shuttle Buggy.
 5  2001 - 05/03/2001 - Application of 1926.800 to lone employees working underground in a tunnel or shaft connected to a tunnel.
 6  2000 - 11/03/2000 - Application of the Confined Spaces Advisor to construction; personal fall arrest system requirements.
 7  1998 - 05/28/1998 - Numerous clarifications regarding underground construction;variances; joint ventures.
 8  1996 - 03/15/1996 - Fire prevention and protection requirements applicable to underground construction.
 9  1994 - 08/08/1994 - Wedge Sockets Wire Rope Clips (Piggy-Back Clip).
 10  1994 - 07/26/1994 - Wire rope clips in conjunction with wedge sockets.
 11  1993 - 07/24/1993 - Definition of Potentially Gassy Atmosphere.
 12  1992 - 08/19/1992 - Cage, skip and load connections to hoist ropes.
 13  1992 - 05/20/1992 - Use of liquefied petroleum gas (LPG) underground.
 14  1992 - 05/05/1992 - Transportation of compressed gas chambers.
 15  1991 - 01/29/1991 - Rehabilitation of a sewer tunnel constructed in the years between 1926 and 1932
 16  1980 - 09/23/1980 - Cut and cover construction.
 17  1978 - 02/17/1978 - Safety aspects of personnel and material hoists.
 18  1976 - 07/19/1976 - Cut-and-cover operation regulations of Excavation, Trenching, and Shoring.
 19  1976 - 04/16/1976 - Methylacetylene-propadiene, stabilized, by definition, is not a liquefied petroleum gas, but is considered as a fuel gas.
 20  1976 - 04/15/1976 - The handling, Storing and Use of MAPP Gas in Underground Construction Work.
 21  1975 - 07/07/1975 - Clarification of 29 CFR 1926.350(b)(4) to Permit Cylinders Containing Oxygen, Acetylene or Other Fuel Gas to be Taken into Tunnels.
 22  1975 - 04/30/1975 - Cut and cover tunneling operations.