Laserfiche WebLink
Work Authorization #3 <br /> 09/03/03 <br /> Page 2 <br /> • Scope of Services <br /> Masteller & Moler, Inc . will provide services either directly or by way of sub-contractors for the <br /> expansion and improvements to the CRWWTP from 2 MGD to 4 MGD . In general, these <br /> services shall include preparation of a Preliminary Engineering Report based on treatment using <br /> the extended aeration mode ; engineering design and preparation of Construction Plans; <br /> preparation and submittal of permitting applications ; preparation of specifications and bid <br /> documents; assistance during bidding and contract award; services during construction including <br /> administration and period field inspection. It is anticipated that the expanded and improved <br /> facilities will generally include the following items : <br /> • Addition of one ( 1 ) mechanical bar screen and one ( 1 ) grit collection system. <br /> • Modification of control elevations at equalization splitter box. <br /> • Addition of two (2) new brush aerators on the existing ditch aeration tanks. <br /> • Addition of two (2) new 70 ' diameter circular clarifiers with return activated sludge <br /> pumps and waste activated sludge pumps to match existing clarifiers. <br /> • Modification of existing waste activate sludge pumps and equip new waste activated <br /> sludge with variable speed drive systems . <br /> • Elimination of existing pneumatic ejectors for scum handling and conveyance and pipe <br /> scum directly to existing plant pumping station. <br /> • Addition of two (2) new traveling bridge automatic backwashing type filters to match <br /> existing filters . <br /> • Addition of two (2) new chlorine contact basins matching and adjacent to existing <br /> chlorine contact basins, including one ( 1 ) additional vertical turbine pump in existing <br /> chamber. <br /> • Addition of a new bulk sodium hypo-chloride system including feed pumps, double <br /> wall tanks, double wall piping and enclosure similar to West WWTP installation. <br /> • Expansion of existing control system with additional I/O cards and software to control <br /> and monitor functions for the proposed expansion equipment. <br /> • Paving and grading modifications as required for new construction. <br /> The estimated construction cost of the project is $ 5 , 500,O0000 <br /> 2 of 7 <br />