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City of Everett 01 1100 - 4 <br />2026 Biosolids Removal and Disposal UT 3752-30 <br />01 1100 - 4 SUMMARY OF WORK <br />3.Dredge Operations <br />a.Contractor shall determine and implement the best operational <br />procedure for the successful removal of the defined quantity of <br />biosolids within the allotted amount of time. <br />b.Contractor shall float any associated piping from the dredge to the <br />Biosolids Pad instead of running along the dike to protect wetland <br />areas in the case of a spill. <br />c.Contractor shall take measures to protect the bottom of the pond from <br />damage caused by dredging into the pond bottom clay layer. This <br />includes, but is not limited to, keeping a distance of half a foot from <br />the contractor’s dredge drag head to the pond’s liner. <br />d.Contractor’s plan for removal shall be submitted and approved prior to <br />the start of the work. <br />C.Dewatering <br />1. Equipment <br />a.The Contractor shall provide all labor, equipment, and appurtenances <br />necessary to perform and support the dewatering, managing on site, <br />and transportation of the biosolids. <br />b.The City is not responsible for the performance efficiency of any item <br />of the Contractor’s equipment or equipment system used in this <br />Contract. <br />2.Dewatering Chemicals <br />a.The net weight of dewatering agents to be used for this project shall <br />be submitted to the City’s Project Manager upon delivery to the work <br />site. Costs for dewatering agents shall be incidental to the unit cost <br />per Dry Ton of biosolids treated. <br />3. Operations <br />a.The Contractor shall understand that it is imperative that each load of <br />material must contain at a minimum of 28% TS. Materials with a solids <br />content of less than 28% TS will be too wet to transport. <br />b.Contractor shall determine and implement the best operational <br />procedures for the successful dewatering of the biosolids to the <br />required minimum TS content of 28% TS. <br />c.Upon completion of the work, the Contractor will be responsible for <br />returning the Biosolids Pad staging areas and haul routes along the <br />pad to their original condition at the start of the project. Any damage <br />by the Contractors operations to the Biosolids Pad staging areas and <br />haul routes along the Pad will be the responsibility of the Contractor <br />to repair to the satisfaction of the City’s Project Manager.