Underground Civil Construction

Lethithemba Trading (Pty) Ltd has it’s roots in Civil Construction. Therefore the company has it presence in the construction of the following underground civil constructions:

Shot-Crete

Both wet-crete and dry-crete application of Shot-Crete material is possible.

Chemical Grouting of Strata

Used to seal leaking walls that have been pre-grouted the surrounding strata to prevent water from seeping through. The sealing agent is a two component polypropylene based expanding flexible material. Water leaks of hundreds of litres per minute across a gap of 80mm have been successfully stopped.

Concrete structures: ​

Our teams’ experience and capabilities range from simple surface beds to drainage sumps and waterproof walls or seals. With the introduction of a professional engineering team, we are now able to design and certify all types of civil structures. We have developed techniques to place and transport 35MPa ready-mixed concrete up to 140m underground over several hundred meters with pumps, or kilometres in self propelled Flameproof concrete mixers. We also have a purpose built shuttering system used in building waterproof concrete seals.