2. SCOPE OF WORK Brunswick County has established the following objectives for this project. Any changes to the specifications or Scope of Work will be made in the form of an addendum to this Request for Proposals and will be supplied to all known prospective contractors and posted on the Brunswick County website. Notwithstanding the foregoing, contractors will be responsible for ensuring that they have all addenda. Brunswick County may negotiate and refine the final Scope of Work with the selected contractor. Brunswick County reserves the right to negotiate additional services with the selected contractor at any time after the initial contract award. A. Mobilization Contractor must mobilize, be set up to process, and begin processing sludge within two (2) weeks of notice by County. If contractor fails to meet said deadline through no fault of County, contractor may be held liable to County for obtaining other means of sludge removal. B. Required Sludge Levels 1. Contractor will be required to maintain a sludge level in the lagoon at a point no greater than three (3) feet below the supernatant collection weir. 2. Contractor is strictly prohibited from discharging solids over the weir from the sludge thickening unit. The sludge level in the thickening unit will be maintained at a point no greater than one (1) foot below the discharge weir. C. Sludge Dewatering and Removal 1. Contractor is responsible for removing the sludge from the thickening unit. 2. Sludge is to be removed at a rate necessary to remain in compliance with Section B: Required Sludge Levels, as set forth above. 3. Contractor is required to provide all equipment and chemicals necessary to facilitate sludge dewatering and removal. 4. Any chemical used in the settling process and in dewatering must be National Sanitation Foundation (“NSF”) approved for use in drinking water. 5. Contractor will operate its own equipment so as to not interfere with the production of drinking water at the NWTP. 6. Contractor must use some means of dewatering the sludge onsite to limit the number trucks entering and leaving the NWTP to no more than four (4) loads per day. 7. Contractor is required to provide its own trucks for sludge removal from the NWTP (subcontractors may be used with prior County approval). D. Sludge Disposal 1. Contractor must develop its own contracts for disposal sites for the sludge removed from the NWTP and have a contingency plan if land is not available. These sites must be permitted by the NC DEQ for land application of water treatment plant residuals. 2. Contractor is required to provide an annual report to County by January 15 of the following year detailing the location and quantities of sludge that was disposed
