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The guide is written by Central Office Drainage and reviewed with district drainage engineers who make final project-specific decisions, especially where engineering judgment is required. It clarifies how the Drainage Manual establishes minimum standards that govern when conflicts occur, and documents the handbook’s historical revisions and purpose.",{"@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/drainage-design-guide-office-of-design-drainage-section-january-2024-tallahassee-florida/664917/",{"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/drainage-design-guide-office-of-design-drainage-section-january-2024-tallahassee-florida/664917.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",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 the purpose of the Drainage Design Guide?","Question",{"text":112,"@type":113},"It serves as a reference for designers, offering guidelines for common drainage and stormwater aspects of FDOT projects. The guidance is suggested or preferred approaches, not mandatory replacements for professional judgment.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the Drainage Manual relate to the Drainage Design Guide?",{"text":117,"@type":113},"The Drainage Manual provides minimum standards and governs over the Drainage Design Guide when discrepancies are noted between the documents.",{"name":119,"@type":110,"acceptedAnswer":120},"Who is responsible for reviewing and applying these guidelines on projects?",{"text":121,"@type":113},"Central Office Drainage writes the technical information, and district drainage engineers review and comment on it. District drainage engineers make the final project-specific decisions, particularly for subjective drainage design judgment.","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},664917,1793278992,{"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":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},1099514068035,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","DRAINAGE DESIGN GUIDE  \nOFFICE OF DESIGN, DRAINAGE SECTION JANUARY 2024  \nTALLAHASSEE, FLORIDA  \nThis page left blank intentionally.  \nTABLE OF CONTENTS  \nChapter 1  \nChapter 2  \nChapter 3  \nChapter 4  \nChapter 5  \nChapter 6  \nChapter 7  \nChapter 8  \nChapter 9  \nChapter 10  \nAppendix A  \nAppendix B  \nAppendix C  \nAppendix D  \nAppendix E  \nAppendix F  \nAppendix G  \nAppendix H  \nAppendix I  \nAppendix J  \nAppendix K  \nAppendix L  \nAppendix M  \nAppendix N  \nIntroduction Hydrology Open Channel Culvert  \nBridge Hydraulics Storm Drains Exfiltration Systems Optional Pipe Material  \nStormwater Management Facility Temporary Drainage Design  \nAPPENDICES  \nData Collection/Published Data Hydrology Design Aids  \nOpen Channel Flow Design Aids Gutter Flow Using HEC-RAS Partial Depth Pipe Flow Graphs  \nApplication Guidelines for Pipe End Treatments Risk Evaluations  \nShoulder Gutter Transition Slope at Bridges Inlet Efficiencies  \nExfiltration Design-Hydro-Geotechnical Aids-K for Saturated and Compacted Lab Soil Specimens  \nDrainage Well Design-Reasonable Assurance Report Exfiltration Design-Sample Plans  \nPipe Corrosion Tables and Charts  \nA Rational for Stormwater Rule Standards  \nCHAPTER 1: INTRODUCTION  \n1. INTRODUCTION .......................................................................................................1-1  \n1.1 Background...........................................................................................................1-1  \n1.2 Purpose .................................................................................................................1-1  \n1.3 Revisions ...............................................................................................................1-2  \n1.4 Definitions of Terms and Acronyms..................................................................1-3  \n1. INTRODUCTION  \n1.1 BACKGROUND  \nIn 1987, Florida Department of Transportation (FDOT) published the Drainage Manual asa three volume set: Volume 1 - Policy; Volumes 2A and 2B - Procedures; Volume 3 -Theory.  \nIn October 1992, the FDOT revised Volume 1 - Policy to Volume 1- Standards and designated Volumes 2A, 2B, and 3 as general reference documents.  \nIn January 1997, the FDOT renamed Volume 1-Standards to “Drainage Manual”. In the years that followed, the FDOT developed numerous handbooks to replace Volumes 2A, 2B, and 3 of the original 1987 Drainage Manual. With this, the Drainage Manual was maintained as a “standards” document while the handbooks provided guidance addressing drainage design practice, analysis and computational methods, along with design aids and reference material.  \nIn 2016, the Department consolidated the handbooks into the Drainage Design Guide. Chapters 2 through 10 of the Drainage Design Guide each represent a handbook in previous form. The appendices of the handbooks , with a few exceptions, were incorporated as appendices in the Drainage Design Guide. Whereas, the remaining handbook appendices were inserted into the appropriate chapter of the Drainage Design Guide.  \n1.2 PURPOSE  \nThe Drainage Design Guide is a reference for designers, which provides guidelines for common drainage and stormwater aspects of FDOT projects. The guidelines do not replace the need for professional engineering judgment or preclude the use of other information. These guidelines are suggested or preferred approaches, not requirements. The Drainage Manual provides minimum standards and governs over the Drainage Design Guide, when discrepancies are noted between both documents.  \nThe technical information in these guidelines is written by Central Office Drainage and is then reviewed and commented upon by the district drainage engineers. The district drainage engineer has the final project specific decisions concerning the application of these guidelines, especially given the subjective judgment required to do good drainage design. If you have project specific questions on this material, please collaborate with your district d","cbCaikVUqNWetcdB","https://ap.wps.com/l/cbCaikVUqNWetcdB","pdf",30152217,806,"English","# Introduction\n## Background\n## Purpose\n## Revisions\n## Definitions of Terms and Acronyms\n# Hydrology\n## Open Channel\n## Culvert\n# Bridge Hydraulics\n## Storm Drains\n## Exfiltration Systems\n# Stormwater Management Facility\n## Temporary Drainage Design\n# Appendices\n## Data Collection/Published Data","[{\"question\":\"What is the purpose of the Drainage Design Guide?\",\"answer\":\"It serves as a reference for designers, offering guidelines for common drainage and stormwater aspects of FDOT projects. The guidance is suggested or preferred approaches, not mandatory replacements for professional judgment.\"},{\"question\":\"How does the Drainage Manual relate to the Drainage Design Guide?\",\"answer\":\"The Drainage Manual provides minimum standards and governs over the Drainage Design Guide when discrepancies are noted between the documents.\"},{\"question\":\"Who is responsible for reviewing and applying these guidelines on projects?\",\"answer\":\"Central Office Drainage writes the technical information, and district drainage engineers review and comment on it. District drainage engineers make the final project-specific decisions, particularly for subjective drainage design judgment.\"}]","DRAINAGE DESIGN GUIDE - Office of Design, Drainage Section January 2024 - Tallahassee, Florida | PDF",2031]