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The document details Red-Lined deliverables and approval workflow, including sealing and professional engineering sign-off, digital submission requirements, and specific redline data checks. It further specifies how to indicate as-constructed versus proposed invert elevations, redrawing thresholds, and required storm sewer, SWM, sanitary sewer, and watermain attributes, plus procedures for As-Constructed record submissions.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/red-line-revision-red-line-drawings-storm-sewers-stormwater-management-facilities-sanitary-sewers-watermains-record-submissions-as-constructed/662969/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/red-line-revision-red-line-drawings-storm-sewers-stormwater-management-facilities-sanitary-sewers-watermains-record-submissions-as-constructed/662969.png","ImageObject",300,407,{"name":92,"@type":93},"Himbo","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is required to revise design drawings after they have been approved?","Question",{"text":112,"@type":113},"Submit two prints of each affected original drawing with proposed changes shown as red strike-throughs plus leader and boxed annotations, along with a letter explaining the required changes.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What documentation and sign-off are required for “Red-Lined” drawings?",{"text":117,"@type":113},"“Red-Lined” as-constructed drawings must be sealed and signed by a Registered Professional Engineer and labeled “Red-Lined” and dated, then submitted to the Director of Engineering for review, including digital submission requirements.",{"name":119,"@type":110,"acceptedAnswer":120},"When must drawings be redrawn due to differences in invert elevations or alignments?",{"text":121,"@type":113},"If differences exceed specified thresholds (e.g., greater than 150 mm for invert elevations or affected profile portions, and greater than 2.0 m for certain manhole location differences), affected portions must be redrawn in the required plan/profile views, with supporting hydraulic calculations where applicable.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},662969,1793223985,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143},687197100911,"https://ap-avatar.wpscdn.com/avatar/a000239b6f1da00475?x-image-process=image/resize,m_fixed,w_180,h_180&k=1785132997149421697","1. Design revisions after approval (Red Line Revision)  \nTo make any changes to the design drawings after they have been approved, submit two prints of each of the original drawings affected with the proposed changes shown as a strikethrough of the design with a leader and box surrounding the changes in red. A letter outlining the reasons for the required changes must also be submitted. The Engineering Department will inform the Developer/Designer if the proposed changes meet with the approval of the Municipality. One copy of the requested change will be signed and returned, accompanied by a letter authorizing the changes to be made on the original approved detailed design drawings. No changes are to be made to any original approved drawings without following this procedure.  \na) “Red-Line” DRAWINGS  \nGeneral  \nPrior to Acceptance for Maintenance by the City, the Consulting Engineer shall produce a complete set of “Red-Lined” as constructed drawings in accordance with City’s “Red-Lined” drawing requirements.  \nThese drawings shall be sealed and signed by a Registered Professional Engineer and labelled “Red-Lined” and dated.  \nUpon completion of construction and prior to Acceptance for Maintenance by the City, “Red-Lined” drawings shall be submitted to the Director of Engineering for review. These drawings shall also be submitted in digital format, as described atthe end of this Section.  \n“Red-Lined” storm and sanitary sewer design sheets shall be provided in digital spreadsheet format and also included in the drawing sets.  \nInformation required for the “Red-Lined” engineering drawings include:  \n• Verification of location and survey of invert elevations of all sewers, manholes, catchbasins and rear yard catchbasins. In the case of manholes on easements, ditch inlet catchbasins and rear yard catchbasins, the rim elevation is also required  \n• Distance between sewer manholes, including pipe sizes and calculated sewer grades. Sewer lengths shall be shown to the nearest 0.1 m and sewer grades calculated to two decimal places  \nWhere there is a major difference between the design and “Red-Lined” data, the Consulting Engineer is required, in writing, to explain the discrepancy and verify  \nthat the “Red-Lined” discrepancy does not adversely affect the intent of the services.  \nb) Storm Sewers  \nAll sewer invert elevations, if different from the proposed, shall be indicated on the “Red-Lined” drawings. If the difference is greater than 150 mm, affected portions of sewer (in profile) shall be redrawn. Hydraulic calculations shall be provided, reflecting these changes, for review and acceptance.  \nAny manhole locations that differ by more than 2.0 m from the proposed locationshall be redrawn in both plan and profile.  \nThe following shall be indicated on the “Red-Lined” drawings, if different from the proposed:  \n• Type of manhole  \n• Pipe size  \n• Grade of sewer  \n• Type of pipe material  \n• Class of pipe  \n• Type of bedding  \nc) Stormwater Management Facilities  \nAll SWM facility invert elevations and storage volumes, if different from the proposed, shall be indicated on the “Red-Lined” drawings.  \nThe design versus ‘as-constructed’ storage volumes and discharge rates shall be shown on “Red-Lined” drawings.  \n“Red-Lined” SWM drawings shall confirm that the proposed SWM facility design (storage and discharge) is not compromised, otherwise the SWM facility shall be retrofitted accordingly prior to Acceptance for Maintenance.  \nThe SWM facility ‘Red-Lined” drawings shall be used as the baseline to indicate accumulated sediment levels, later at the time of Assumption.  \nd) Sanitary Sewers  \nAll sewer invert elevations, if different from the proposed, shall be indicated on the “As-Constructed” drawings. If the difference is greater than 150 mm, affected portions of sewer (in profile) shall be redrawn.  \nAny manhole location that differs by more than 2.0 m from the proposed locationshall be redrawn both in plan and profile.  \nThe followi","cbCaisBAnEcNWzLH","https://ap.wps.com/l/cbCaisBAnEcNWzLH","pdf",85569,"English","# Design revisions after approval (Red Line Revision)\n## Red-Line DRAWINGS\n### General\n### Storm Sewers\n### Stormwater Management Facilities\n### Sanitary Sewers\n### Watermains\n# Record Submissions (As-Constructed)","[{\"question\":\"What is required to revise design drawings after they have been approved?\",\"answer\":\"Submit two prints of each affected original drawing with proposed changes shown as red strike-throughs plus leader and boxed annotations, along with a letter explaining the required changes.\"},{\"question\":\"What documentation and sign-off are required for “Red-Lined” drawings?\",\"answer\":\"“Red-Lined” as-constructed drawings must be sealed and signed by a Registered Professional Engineer and labeled “Red-Lined” and dated, then submitted to the Director of Engineering for review, including digital submission requirements.\"},{\"question\":\"When must drawings be redrawn due to differences in invert elevations or alignments?\",\"answer\":\"If differences exceed specified thresholds (e.g., greater than 150 mm for invert elevations or affected profile portions, and greater than 2.0 m for certain manhole location differences), affected portions must be redrawn in the required plan/profile views, with supporting hydraulic calculations where applicable.\"}]","Red Line Revision - Red-Line Drawings, Storm Sewers, Stormwater Management Facilities, Sanitary Sewers, Watermains - Record Submissions (As-Constructed) | PDF",15]