Mary Street Lift Station Replacement, City of Redding, Redding CA Water Works Engineers designed the replacement of the City of Redding’s Mary Street Lift Station. The existing 40-plus year old lift station was near the end of its useful life, and was replaced and expanded to a peak ?ow of 2600 gpm to meet the growth in its service area. The pump station is near the Sacramento River Trail and high-end homes, so system reliability, aesthetics, security, and odor control were key design factors for the new pumping facility. The new lift station uses parallel sets of dry-pit submersible pumps in a dual wet-well arrangement for system reliability and redundancy. A wall-mounted, inline raw sewage grinder grinds in?uent solids and minimize the potential for the pumps to “rag up” . Smaller pumps

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