Laserfiche WebLink
13 17 8 The well or exploratory boring shall be filled by use of a tremie pipe or equivalent, <br /> . prooc<- z g upward from the bottom of the well or boring Any deviation from this <br /> method must be approved by the Director <br /> 13 17 q Sealing materials shall be placed in one continuous operation unless conditions m the <br /> well or boring dictate that sealing operations be conducted in a staged manner end <br /> prior approval is obtained from the Director <br /> 13 17 10 Pressure requu-ed for the placement of sealing ma.erial shall be maintained long <br /> enough for sealing materials to properly set <br /> 13 17 11 Verification shall be rnade to determine that as adequate seal has been installed by <br /> a FED representative <br /> 13 17 12 if the well casing was left in place during sealing operations, a hole at least one foot <br /> larger in diameter than the originally drilled hole shall be excavated around the <br /> outside of the well casing to a depth of 3 feet below the ground surface, and the well <br /> casing shall then be cut off 6 inches above the bottom of this excavation and <br /> removed <br /> 13 17 13 The grout used to fill the well shall be allowed to spill over into the excavation, <br /> during the sealing operation, and fill it for a thickness of one foot and form a "cap" <br /> which has a diameter of at least one foot greater than the diameter of the originally <br /> drilled hole <br /> 13 17 14 After the sealing operation and the sealing material has set, the excavation shall be <br /> filled with clean soil <br /> 13 17 15 Any deviation from this section must obtain prior approval from the Director <br /> 6� <br /> 22 <br />