TUNNEL SURVICES
TYPICAL BLAST DESIGN FOR DRILL AND BLAST TUNNELS
A tunneling method involves the use of explosives. Drilling rigs are used to drill blast holes on the proposed tunnel surface to a designated depth for blasting. Explosives and timed detonators (Delay detonators) are then placed in the blast holes.
ROCK MASS ASSESSMENT AND CHARACTERIZATION
During the feasibility and preliminary design stages of a project, when very little detailed information is available on the rock mass and its stress and hydrologic characteristics, the use of a rock mass classification scheme can be of considerable benefit.
UNDERGROUND SUPPORT SYSTEMS AND SOLUTIONS
Mining ground support and rock tunnel support systems describe a set of procedures, techniques and materials used to improve the stability and maintain the load bearing capability of rock near to the edges of excavation in mine tunnels, mine shafts and tunnels in civil engineering projects.
TUNNEL REHABILITATION AND SOLUTIONS
Tunnel rehabilitation, not only determining the source of a tunnel’s deterioration, but providing engineered long-term solutions by applying state of the art tunnel rehabilitation waterproofing and strengthening techniques.
GROUTING AND INJECTION SOLUTIONS
Grouting and Injection are important components of the modern era concrete construction industry. Some of the main grouting and injection solutions are:
Cementitious Grouting, Micro fine Cement Grouting, Epoxy Injection and chemical Grouting.
CONFINED SPACE HSE PRACTICES
A confined space is one which is both enclosed, and largely enclosed, and which also has a reasonably foreseeable risk to workers of fire, explosion, and loss of consciousness. Available solutions for best practices includes competence, training, supervision and permit-to-work procedures.
SHOTCRETE MIX DESIGN AND APPLICATIONS
A method of applying concrete projected at high velocity primarily on to a vertical or overhead surface. The impact created by the application consolidates the concrete.
SCANLINE
SURVEYS
A reliably technique in which a line is drawn over an outcropped rock surface and all the discontinuities intersecting it are measured and described.