Summary
Removing and replacing a manhole and installing in it a new storm overflow weir.
The excavation and removal of a brick manhole which is mounted on an existing concrete vault and replacing it with a pre-cast manhole; In the vault, an existing storm overflow weir will be removed and replaced with a stainless-
steel weir, securely grouted in-place or secured water-tight by some other method as approved by the Engineer; Grout invert channels will be installed to direct normal flows into the existing sewer outlets; The excavation shall then be backfilled with compacted fill and surface restored. See attached file and outside link.