Tag Archives: Elevator pits

Waterproofing elevator pits 101

This was supposed to be simple. The site is flat and the building is all slab-on-grade. The geotechnical report stated the design ground water table is more than 3 m (10 ft) below grade. Why is there a need to spend in excess of $100,000, and add more than three weeks to the construction schedule for below-grade waterproofing? The short answer is: elevators.

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