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  • Treatment and Chemical Application - Ontario. ca
    The tank length should be no greater than 12 m (39 ft) to control the density of the bubble blanket Tank depth should be 1 5 to 3 0 m (5 to 10 ft); greater depths are recommended for high algae loads Flow velocities should be designed to limit scouring of the float from below
  • PERFORMANCE ASSESSMENT OF TWO TYPES OF OIL GRIT SEPARATOR FOR . . .
    Ontario Ministry of the Environment Toronto and Region Conservation Authority Over the past 15 years, the Great Lakes Basin has experienced rapid urban growth Stormwater runoff Each separator is a concrete precast tank with three chambers The first chamber is the sediment chamber, which is designed to trap the heavy grit and large
  • Design Guidelines For Sewage Works - Ontario. ca
    Tank design is generally open and may be common wall or earthen bermed to minimize heat loss Aerobic digesters may be covered to minimize heat loss for colder temperature applications Tank depths of 3 6 to 4 6 m (11 8 to 15 1 ft) are suggested The tanks and piping should be designed to permit sludge addition, withdrawal and supernatant
  • Sludge thickening and dewatering - Ontario. ca
    Chemical conditioning for thickening operations attempts to promote more rapid phase separation, higher solids concentration and a greater degree of solids capture Tank shape - circular; Tank sidewater depth - 3 to 3 7 m (9 8 to 12 1 ft); Tank diameter The Ministry of the Environment, Conservation and Parks works to protect and sustain
  • Sludge storage and disposal - Ontario. ca
    Liquid alkaline stabilized high pH (>12) sludge should not be stored in a lagoon, but should be stored in a tank or vessel equipped with rapid sludge withdrawal mechanisms for sludge disposal or re-treatment Provisions should be made for adding alkaline material in the storage tank Mixing equipment should be provided in all storage tanks
  • 21-075 — Storage of Liquid Manure - Ontario
    (10–16 ft) deep If precipitation can enter the tank, at least 60 cm (2 3 ft) of the tank will be used for precipitation and freeboard For example, on a 2 4 m (8 ft) deep tank, 35% of the volume will be used for precipitation and freeboard Many operators prefer a 3 6 m (12 ft) depth (or deeper) since this reduces
  • Design Guidelines For Sewage Works - Ontario. ca
    Ministry of the Environment ISBN 978-1-4249-8438-1 PIBS 6879 Acknowledgements The Design Guidelines for Sewage Works were prepared under the guidance of the Ontario Ministry of the Environment Sewage Technical Working Group with the assistance of Hydromantis, Inc in association with XCG Consultants Ltd This document underwent review by various branches of the Ontario Ministry of the
  • Soil, ground water and sediment standards for use under Part
    Ministry of the Environment April 15, 2011 PIBS # 7382e01 Introduction This document, consisting of Tables 1 to 9, sets out the prescribed contaminants and the applicable site condition standards for those contaminants for the purposes of Part XV 1 of the Environmental Protection Act The Tables can be summarized as follows:
  • Appendices | Design Guidelines For Sewage Works | ontario. ca
    Appendix VI: Summary of Major Changes Between 1984 and 2008 (MOE Design Guidelines for Sewage Works) The MOE Design Guidelines for Sewage Works have been updated to include new sewage collection and treatment technologies The information was obtained from other guidelines, including: the Ten States Standards and design guidelines from other States and Provinces in North America
  • Environmental design criteria | Stormwater Management . . . - Ontario. ca
    The channel is classified as stable or transitional according to the Stability Index value computed using the Rapid Geomorphic Assessment (RGA) form (Appendix C) Entrenchment Ratio: T ≥ 2 2: The channel is slightly entrenched according to the Rosgen (1996) classification system: Bankfull Depth: D BFL < 0 75 m: The bankfull depth is less than
  • Stormwater Management Planning and Design Manual - Ontario. ca
    This manual will also be used as a baseline reference document in the review of stormwater management applications for approval under section 53 of the Ontario Water Resources Act as administered by the Ministry of the Environment Acknowledgements This project was initiated and funded by the Ontario Ministry of the Environment
  • Well Regulation - Well Maintenance (technical bulletin) - Ontario. ca
    Requirements and best management practices published by the Ministry of the Environment and Climate Change This is technical bulletin 1 of 11 on well issues created for a person who is considering a new water supply well or who currently owns a water supply well such as a septic tank system, works properly and has been properly maintained





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