Res 2015-011/amendment No. 1 to the Service Contract for Wastewater Treatment Facilities Operations and Maintenance between the City and CH2M Hill

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(1) The sludge from the primary clarifiers (co- settled primary sludge and WAS) flows into a covered holding tank with a volume of 145,000 gallons before being dewatered. The sludge is thickened to between 20% and 25% solids, using two centrifuges. Each centrifuge has a thickening capacity of 100 GPM. (2) The centrate is recycled to the primary distribution box through the lift station behind the aeration basins. The thickened solids are conveyed into a trailer and hauled to the landfill by a subcontractor. SECTION 1.3. FACILITIES SITE. Please see Attachment A for a map of the portion of the approximately 16.65 acre Facilities Site for which the Company is responsible. SECTION 1.4. CITY FACILITIES PROPERTY. (A) City Vehicles provided for use by the Company: Year 2005 Make FORD Model F -350 VIN 1FDWF30575EC20103 (B) City Equipment provided for use by the Company: (1) Golf Cart SR# D5011365412; No Physical Damage Requirement (2) Golf Cart SR# H2021509 731 (3) John Deere Skid - Loader City ID 006210(77 -445); Value $35,000 (C) Spare parts and consumables provided for use by the Company: This listing will be developed in initial inventory prior to commencement. SECTION 1.5. MAPS OF WASTEWATER COLLECTION SYSTEM. This information can be accessed at the City's Department of Water/ Wastewater Utilities.