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Metropolitan Wastewater Management Commission Capital Improvement Program <br />repair, keeping equipment downtime to a minimum, and is less expensive than purchase of <br />manufactured parts. <br />Odor Scrubber Fans – The regional treatment plant’s odor scrubber fans convey odorous air from the <br />pretreatment solids/grit dewatering building to the odorous air scrubber. The fans have been in service <br />for 27 years and have reached the end of their useful life. Replacement will maintain the operational <br />reliability of the scrubber system, which is a legal requirement for worker safety and control of odors <br />from the treatment facility. <br />Primary Treatment Sludge and Scum Pumps – The regional treatment plant’s primary sludge and scum <br />pumps convey sludge and scum removed in primary clarification to the anaerobic digestion process. <br />The pumps are air-operated diaphragm type and have been in service for 27 years. Replacement with <br />rotary lobe-type pumps will provide for continued reliability and are more energy efficient. <br />Return Activated Sludge Pumps – The regional treatment plant’s return activated sludge pumps are <br />essential equipment to the secondary treatment process. The pumps have been in service for 27 years <br />and have reached the end of their useful life. These pumps convey settled sludge from the secondary <br />clarifiers to the aeration basins and the solids handling complex, a key function for removal of <br />suspended solids and biochemical oxygen demand. Two of the four pumps are currently being replaced <br />in FY10-11 and this replacement project will complete the full set. <br />Oil & Grease Extraction System – The oil and grease extraction system is laboratory equipment that <br />removes oil and grease from wastewater samples for measurement analysis. <br />Computer replacement includes scheduled replacement of personal and laptop computers, monitors, and <br />a network file server. <br />Fleet replacement consists of replacement of a farm tractor, boom mower, and two turf mowers. This <br />equipment is utilized in grounds maintenance. <br />Major Rehabilitation Program - Budget <br />The FY 11-12 Capital Programs budget includes $507,400 for Major Rehabilitation projects which are <br />identified on the table below. <br />Page 44 DRAFT FY 11-12 BUDGET AND CIP <br />