In addition to doing the structural excavation for the arena

’

s original construction, J&H Excavating was recently involved in the removal and replacement of the building

’

s ice floor. This work involved cutting and removing the existing concrete floor. After the floor was removed, new sub-base had to be installed for the new slab and mechanical piping.

This newly installed sub-base was placed with a dozer

using automatic grade control from a robotic total station. This allowed the material to be placed to a tolerance not realistically achievable by conventional methods