Part ii division of bridge development has been superseded by the manual for hydrologic and hydraulic design which is generally applicable where drainage areas exceed one square mile and for all bridge openings. Database updated when new product request are received from customers and products evaluations are completed. Category 3 drainage standard numbers description mdsha fhwa view pdf download. The drainage criteria in this manual are to be used in conjunction with the montgomery county department of transportations design standards and construction policies. Maryland state highway administration baltimore, maryland. While special problems may require unique solutions, the design of most drainage faci 1 ities can be accompl ished by routine procedures.
Stormwater management design manual table of contents iv table of contents. Sizes precast drainage inlets are available in many sizes from small area drains to large inlets or. This chapter presents a unified approach for sizing stormwater bmps in the state of maryland to meet pollutant removal goals, maintain groundwater recharge, reduce channel erosion, prevent overbank flooding, and pass extreme floods. You can quickly and easily access specific project information, including a general overview, interactive map, news, schedule, pictures and video. At that time, the cad standards could be used for virtually any version of bentleys microstation software. Oos manual for hydrologic and hydraulic design, chapter 11, evaluating scour at bridges. Limits the software listed herein have been approved for use as specified. Looking for information on a construction project near you. Mdot sha continues operations to keep maryland roadways open and safe. Geopak drainage course guideusers manual link to pdf file hydraulic calculator. Stormwater management design manual table of contents i table of contents issue date. The maryland state highway administration and the maryland department of the environment. Maryland department of transportations state highway administration mdot sha has uploaded the vendor information to the.
Where the length of pipe exceeds 60 ft, the minimum diameter is 24 in. Md sha office of structures tiderout2 users manual may 2015 page 2. This website was developed using mediawiki, a wiki application that allows for easy editing and that has powerful search abilities. This criteria will be used in conjunction with the current standard plates of the book of standards, highway and incidektal structures, maryland state. Urban hydrology for small watersheds chapter 1 introductionintroduction the conversion of rural land to urban land usually increases erosion and the discharge and volume of storm runoff in a watershed.
Maryland drainage inlets use precast drainage inlets are typically used for storm drain systems in lieu of built in place inlets. Microstation v8 cad standards manual maryland state. Microstation v8 cad standards manual sha ids cad standards subcommittee july 2004. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. Drainage design criteria montgomery county, maryland. Chapter 3 appendix a checklists for preparation of. Interested parties may download this material for design of projects in baltimore county. Highway drainage manual design guidelines software i. A new design manual has been adopted by county council resolution 6310 to assist professional engineers and architects with preparation of plans and other contract documents when bidding on county construction projects.
All operations, including maintenance, construction, traffic incident monitoring and response, as well as business functions, remain active to serve maryland residents, commercial truck partners, businesses and travelers. The last comprehensive release of cad standards by maryland state highway administration was in 1995. Hot mix asphalt pavement design guide the maryland asphalt association,inc. Karuna pujara, maryland state highway administration and. Get information on vehicles and driving, the transit in maryland and what to expect when traveling and. Chapter 1 april 2011 maryland sha office of structures 2 chapter 1 introduction welcome to the manual for hydrologic and hydraulic design. Section iii drainage anne arundel county, maryland. Design manual for roads and storm drains carroll county, md. The 2000 maryland stormwater design manual is the official guide for stormwater management prin ciples, methods, and practices in maryland.
Maryland state highway administration intercounty connector db project page 1 of 36 draft 041706 rfp part iii drainage performance specification ps 303 drainage performance specification 1. It took seven years in ma king a new drainage manual was published in 2014. Storm drain design of systems within maryland state highway administration. The 2000 maryland stormwater design manual is the official guide for stormwater.
Activities to be undertaken by sha shall include, but not be limited to. The maryland stormwater design manual has been revised. For drainage areas greater than 300 square miles, use the u. Implementing the stormwater management design policies, principles, methods, and practices found in the latest version of the 2000 maryland stormwater design manual for sha projects. When there are conflicts between supplemental and original requirements, the newest shall supersede. The design manual for roads and storm drains, adopted in 1994, provides a thorough set of directives and guidelines for designing and constructing roads and storm drains in. Home page for the maryland department of transportation. Drainage manual virginia department of transportation. This new manual was major overhaul from the 2007 manual with two separate parts policy and procedure.
It also causes other problems that affect soil and water. Many of the manuals listed on this page are living documents, meaning changes and updates will be made to them periodically. Procedures for the design of detention facilities are. Methods andprocedures are given for the hydraulic design of storm drainage systems. This manual is prepared by the office of structures, structure hydrology and hydraulics division, to offer guidance and. The recurrence interval for the design flood frequency for the design of. Maryland state highway administration highway hydraulics. The maryland department of the environment mde recently adopted the 2011 maryland standards and specifications for soil erosion and sediment control. Contractors are now welcome to register signup on the website for ebidding with mdot sha. Stormwater management design manual table of contents.
Project portal offers a comprehensive view of major current, funded, and planned projects occurring across the state of maryland. Md sha office of structures tiderout2 users manual may 2015 page 3 preface. Sha major capital projects go through different phases. The use of alternative programs is subject to approval by the chief, highway hydraulics division. Chapter 5 drainage of highway pavements page 52 hydraulics manual m 2303. Chapter iv bridges, culverts, and retaining walls chapter contents page no. A line of investigation loi is a linear location where runoff from a drainage area sheet flows from the. The ddot workspace, v8 cad standards manual and associated support files will be. Drainage manual idf curves and rainfall distributions. The tenth edition of this guide has been prepared in order to bring designers information on the current maryland state highway administration specifications and to incorporate the latest knowledge,techniques and technology that have been.
The following is a list of the individual chapters of the design manual that may be downloaded. Design methods are presented for evaluating rainfall and runoff magnitude, pavement drainage, gutter flow, inlet design, median and roadside ditch flow, structure design, and storm drain piping. Roadway design florida department of transportation home. Bridge deck drainage systems are to be designed to limit the spread of water. State highway administration readily available documents. Welcome to the minnesota stormwater manual website.
Pavement design guide june 2016 maryland state highway. This drainage manual is still meant to be a model manual for state dots to adopt however it is providing an. Table of contents maryland stormwater design manual toc2. The design manual was originally published in october 2000, and was revised in may 2009. The ministry of transportation mto has developed a number of drainage and hydrology documents to support consultants, design engineers, drainage professionals and mto staff in the following areas. Chapter 11 evaluating scour at bridges april 6, 2016. Details from the 2011 maryland standards and specifications.
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