(A) Each wet well shall be constructed of precast concrete and shall meet the dimension requirements noted on the plans. Each precast wet well shall be furnished and installed as specified herein.
(B) Excavation shall be made to the required depth and the foundation on which the wet well is to be set shall be approved by the engineer. The excavation shall include the removal of obstructions and unsuitable materials for a good foundation. The excavation shall allow for a minimum of 12-inch thick bedding of crushed stone under the wet well to a width one foot wider than the outside wall of the wet well.
(C) (1) The base, barrel and flat top slab of the wet well shall be constructed from precast, reinforced sections, staked to form the wet well and manufactured according to the latest revision of A.S.T.M. C-478 and AASHTO M-199.
(2) Sections shall be joined with mastic material and grouted to provide a water-tight connection.
(3) Penetrations for the piping shall be made by using flexible connectors made of high quality rubber or synthetic rubber which is precast into the sections; or provide a water-tight connection by applying a waterproof grout to all sections disturbed in the installation process.
(4) All work in the wet well shall be inspected and approved by the Engineer.
(Ord. passed 6-21-2011)