ok-2260: Department of Environmental Quality — Public Water Supply Construction Standards
Public comment closed .
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The gist of this rule and the underlying reason for the rulemaking is to allow electronic submittal of plans and specifications and engineering reports; update references to International Fire Code (IFC) and American Water Works Association (AWWA); correct typographical errors and update other incorrect references; provide specific reference to the sedimentation portion of the clarification section; remove “the maximum detention time of the rapid mix basin, at design flow is 30 seconds” and replace with “provide good mixing of the raw water with the chemicals applied and prevent deposition of solids in the mixing zone[;]" add language noting a rapid mix detention time of not more than 30 seconds; and remove “Cathodic protection shall be provided for all steel tanks to prevent under bottom corrosion”. For Appendix E, DEQ is proposing to amend the name of the Appendix. There are no substantive changes to the Appendix.
The agency’s own summary, as published.
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