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Design and Operation of the Midland Treatment Plant: Joint Discussion
Publication year - 1960
Publication title -
journal ‐ american water works association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.466
H-Index - 74
eISSN - 1551-8833
pISSN - 0003-150X
DOI - 10.1002/j.1551-8833.1960.tb00511.x
Subject(s) - raw water , water supply , joint (building) , engineering , truck , filtration (mathematics) , levee , civil engineering , waste management , environmental engineering , geotechnical engineering , mathematics , statistics , aerospace engineering
This article presents a joint discussion on the design and operation of the Midland, Michigan, treatment plant. The first article is titled “Design and Construction,” by John C. Seeley, and discusses the new filtration plant at Midland which was part of a $3,000,000 water supply improvement program approved by the citizens of Midland in March 1956. Included in the program of improvements were modifications in the existing 7‐mgd filtration plant, a 100‐mil gal raw‐water reservoir, Midland's share in an additional pumping station on the Lake Huron supply main, and a new 8‐mgd filtration plant complete with a filtered‐water reservoir and high‐service pumping station. The new filtration plant and raw‐water reservoir are located on the east side of the city, adjacent to the 36‐in. Lake Huron supply main. This location was decided on because of space limitations at the west side site. An ideal site was obtained, making possible a very economical earth embankment construction for the raw‐water reservoir. The site also offered convenient rail and truck transportation for bulk handling of chemicals. The second part of the joint discussion is titled “Startup and Operation,” by Charles A. Froman, and describes the job of putting the new Midland, Michigan, treatment plant into operation which was unique but comparatively easy, because water for the city was being supplied from an older plant at a different location. Operation of the new plant could therefore be started and stopped as desired without interrupting water service to the city. Each time a major alteration or adjustment was needed, the plant was shut down, if necessary, and the problem was solved. Although it was time consuming, this method was ideal from the management standpoint, as it allowed for a complete check of the plant under actual operation. The plant was placed into limited use for 6 weeks while minor modifications were being made in controls and while the contractors were completing some of the finishing touches. The plant is pneumatically controlled, with a number of automatic features; many of the early mechanical troubles were instrumentation problems.