[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-663104-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-663104-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","subdivision-manual-general-subdivision-design-principles-design-standards","Subdivision Manual - General Subdivision Design Principles - Design Standards","","Subdivision Manual sets out the City of Cornwall’s subdivision review guidance for new development. It defines general subdivision design principles, water distribution, storm and sanitary sewer standards, and roadway design requirements, including lighting, sidewalks, curbs, alignment, and construction testing. The manual explains approval, inspection, acceptance, and testing processes, and addresses variance handling through Council and subdivision agreement approval.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & Report",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/subdivision-manual-general-subdivision-design-principles-design-standards/663104/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/subdivision-manual-general-subdivision-design-principles-design-standards/663104.png","ImageObject",300,407,{"name":42,"@type":43},"Guten Appetit_Joghurt","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-29","2026-10-28",true,{"@type":52,"interactionType":53,"userInteractionCount":30},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What is the purpose of the City of Cornwall subdivision review process described in the manual?","Question",{"text":62,"@type":63},"It encourages well designed, attractive subdivisions and provides guidance on requirements and design standards for new subdivision development. It is supported by bylaws and the City’s Official Plan.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Are variances allowed for specific minimum subdivision standards?",{"text":67,"@type":63},"Generally, no variance is allowable for specific minimum standards. Any variance requires Council approval through a specific request or through approval of the Subdivision Agreement.",{"name":69,"@type":60,"acceptedAnswer":70},"How does the manual handle alternative or “neo-traditional” design approaches?",{"text":71,"@type":63},"It notes that certain alternative approaches are being used in test installations across Ontario. The City may consider a limited number of small scale test installations case-by-case based on documented alternative standard models.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},663104,1793225100,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,105,110,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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Preservation and Environmental lssues ……………1  \n1.2 Parks ………………………………………………………………………………………………………………………………………………1  \n1.3 Phasing, Building Types, Zoning …………………………………………………………………………2  \n1.4 Service Extensions, Sidewalks …………………………………………………………………………2  \n1.5 Draft Plan Approval ………………………………………………………………………………………………………2  \n1.6 Subdivision Plan Approval ……………………………………………………………………………………3  \n1.7  \nFinal Approval …………………………………………………………………………………………………………………3  \nDraft Plan Approval Flow Chart ……………………………………………………………………………4  \nSubdivision Plan Approval Flow Chart ………………………………………………………………5  \nFinal Acceptance Flow Chart ………………………………………………………………………………5a  \nSECTION II:  \nWATER DISTRIBUTION SYSTEM DESIGN STANDARDS  \nII.1 Location of Pipe in Right-of-Way …………………………………………………………………………6  \nII.2 Hydraulic Design ……………………………………………………………………………………………………………6  \nI1.3 Parallel Installations…………………………………………………………………………………………………7  \nII.4 Crossings with Sewers ……………………………………………………………………………………………7  \nII.5 Dead End Mains ……………………………………………………………………………………………………………7  \nII.6 Depth of Cover and Frost Protection …………………………………………………………………7  \nII.7 Hydrants ……………………………………………………………………………………………………………………………………8  \nII.8 Thrust Block ……………………………………………………………………………………………………………………9  \nI.9 Gate Valve, Butterfly Valve, Air Relief Meter,  \nBlow-off Drain Chambers …………………………………………………………………………………9  \nII.10 Minimum Pipe Size ……………………………………………………………………………………………………………9  \nII.11 Pipe Material ……………………………………………………………………………………………………………………9  \nII.12 Service Connections …………………………………………………………………………………………………10  \nII.13 Construction …………………………………………………………………………………………………………………10  \nII.14 Approvals ………………………………………………………………………………………………………………………11  \nII.15 Testing and Inspection …………………………………………………………………………………………11  \nSECTION Ⅲ: STORM AND SANITARY SEWER DESIGN  \nⅢ.1 Storm and Sanitary Sewer Design Criteria ………………………………………………12  \nLocation of Pipe in Right-of-Way  \n.1  \n.2  \n.3  \n.4  \nHead Loss  \nCatchbasins  \n.5  \nLot Grading  \n.6  \n.7  \nService Lateral  \nSewer Pipe Material  \n.8  \n.9  \nApprovals  \n.10 Testing and Inspection  \nⅢ.2 Sanitary Flow Determination ……………………………………………………………………………………16  \nⅢ.3 Storm Flow Determination ……………………………………………………………………………………17  \n.1 Peak Runoff-Rational Method  \nⅢ.4 Storm and Sanitary Sewer Pipe Sizing ………………………………………………………18  \nⅢ.5 Open Channel Dimensioning………………………………………………………………………………18  \nⅢ.6 Storm Water Management ………………………………………………………………………………19  \nⅢI.7 Other Guidelines …………………………………………………………………………………………19  \n-ii-  \nSECTION IV: ROADWAY DESIGN STANDARDS  \nIV.1 Roadways ………………………………………………………………………………………………………………………26  \nIV.2 Major Roadways, Railways, and Incompatible Uses ……………………………26  \nIV.3 Intersections …………………………………………………………………………………………………………………26  \nIV.4 Street Lighting ………………………………………………………………………………………………………………26  \nIV.5 Sidewalks………………………………………………………………………………………………………………………………27  \nIV.6 Curbs ……………………………………………………………………………………………………………………………………………27  \nIV.7 Driveway Entrances…………………………………………………………………………………………………………27  \nIV.8 Walkways ………………………………………………………………………………………………………………………27  \nIV.9 Easements ……………………………………………………………………………………………………………………27  \nIV.10 Fencing ……………………………………………………………………………………………………………………………28  \nIV.11 Roadway Signs ……………………………………………………………………………………………………………28  \nIV.12 Cornwall Transit……………………………………………………………………………………………………………28  \nIV.13 Asphalt Pavement Design ………………………………………………………………………………………29  \nIV.14 Vertical & Horizontal Alignment …………………………………………………………………………29  \nIV.15 Construction …………………………………………………………………………………………………………29  \nIV.16 Testing &Inspection ………………………………………………………………………………………………………29  \nIV.17 Concrete …………………………………………………………………………………………………………………………29  \nTable 4.3-Roadway Design Summary ………………………………………………31  \nSECTION V:  \nSTANDARD DETAILS ……………………………………………………………………………………………………32  \nSTANDARD SUBDIVISION AGREEMENT &LETTER OF CREDIT…………144  \nSECTION VI:  \nCONSTRUC","cbCaihx4M1tG2mAr","https://ap.wps.com/l/cbCaihx4M1tG2mAr","pdf",11121711,196,"English","# Section I: General Subdivision Design Principles & Flow Charts\n## Watercourses, Tree Preservation and Environmental Issues\n## Parks\n## Phasing, Building Types, Zoning\n## Service Extensions, Sidewalks\n## Draft Plan Approval\n## Subdivision Plan Approval\n## Final Approval\n# Section II: Water Distribution System Design Standards\n## Location of Pipe in Right-of-Way\n## Hydraulic Design\n## Parallel Installations\n## Crossings with Sewers\n## Dead End Mains\n## Depth of Cover and Frost Protection\n## Hydrants\n## Thrust Block\n## Gate Valve, Butterfly Valve, Air Relief Meter, Blow-off Drain Chambers\n## Minimum Pipe Size\n## Pipe Material\n## Service Connections\n## Construction\n## Approvals\n## Testing and Inspection\n# Section III: Storm and Sanitary Sewer Design\n## Storm and Sanitary Sewer Design Criteria\n## Sanitary Flow Determination\n## Storm Flow Determination\n## Storm and Sanitary Sewer Pipe Sizing\n## Open Channel Dimensioning\n## Storm Water Management\n## Other Guidelines\n# Section IV: Roadway Design Standards\n## Roadways\n## Major Roadways, Railways, and Incompatible Uses\n## Intersections\n## Street Lighting\n## Sidewalks\n## Curbs\n## Driveway Entrances\n## Walkways\n## Easements\n## Fencing\n## Roadway Signs\n## Cornwall Transit\n## Asphalt Pavement Design\n## Vertical & Horizontal Alignment\n## Construction\n## Testing & Inspection\n## Concrete\n# Section V: Standard Details\n# Section VI: Construction Standards\n# Section VII: Construction Inspection and Testing\n## Construction Inspection of Subdivisions\n## Testing Requirements for Subdivisions\n## Guidelines for the Reduction of Letters of Credit\n## Subdivision Damage Control\n## Subdivision Construction and Acceptance\n## Appendix A: Field Testing & Acceptance Procedure","[{\"question\":\"What is the purpose of the City of Cornwall subdivision review process described in the manual?\",\"answer\":\"It encourages well designed, attractive subdivisions and provides guidance on requirements and design standards for new subdivision development. It is supported by bylaws and the City’s Official Plan.\"},{\"question\":\"Are variances allowed for specific minimum subdivision standards?\",\"answer\":\"Generally, no variance is allowable for specific minimum standards. Any variance requires Council approval through a specific request or through approval of the Subdivision Agreement.\"},{\"question\":\"How does the manual handle alternative or “neo-traditional” design approaches?\",\"answer\":\"It notes that certain alternative approaches are being used in test installations across Ontario. The City may consider a limited number of small scale test installations case-by-case based on documented alternative standard models.\"}]","Subdivision Manual - General Subdivision Design Principles - Design Standards | PDF",494]