Specifications include, but are not limited to: STEP ONE: PUMP REMOVAL1. Review treatment specifications with O’Fallon’s water plant supervisor.2. Mobilize to well site.3. Perform initial pump test to develop baseline data on pump condition, yield, and specific capacity.4. Remove pump and column piping. Contractor will clean components as necessary to properlyinspect for wear and inform City staff of deficiencies found.5. Breakdown pump and inspect for wear. Inform City staff of deficiencies found.6. Place a camera in the well and record the condition of the well screen. Well #3 only.7. Contractor will use a brush on the well screen and then remove the dislodged loose debris fromwell shaft before installation of surge block.STEP TWO: HYDROCHLORIC ACID TREATMENTUTILIZING 220 GALLONS OF 20 DEGREE BAUME (33%) INHIBITED HCL1. Using surge block, contractor supplied high velocity pump, and injection tank, contractor willisolate each individual area of the well screen and treat with the HCL, dilution water, and inhibitor.2. The acid surging / pumping process will be performed throughout each area of the well screenand allow solution to remain in well overnight.3. The next day, perform pumping and surging again.4. Pump to waste and neutralize to a minimum 6.0 PH. in surge tank prior to discharge.5. Perform pump test to determine effectiveness of the treatment.