Dug and installed in between already installed 200mm x 200mm dia concrete piles in bad ground with a high-water table. Notwithstanding this, the Strainer Main crossed over a highly critical Strelly Main which had to be excavated with the utmost of care. The installation of this Strainer pipe then allowed us to construct a large concrete reinforced slab and plinths complete with ducting’s and services which enabled all apparatus associated with the Strainer to be sat/housed.