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|rowspan="2" align="right" |'''<font color = "white"><font size = 4.7><i>HELPFUL EPG VIDEOS: </i></font color="white"></font size = 5>|| ||align="left"|''' <BIG><font color = "white"><i>'''[[media:Logging into the EPG.wmv|•Logging into the EPG]]</i></font color="white"> ||align="left"|''' <BIG><font color = "white"><i>'''[[media:Help Finding EPG Info.wmv|•Finding Info in the EPG]]</i></font color="white">'''
 
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| ||align="left" colspan="2"|''' <Big><font color = "white"><i>[[media:Article History and Receiving.wmv|•Article History & How to Receive EMails When Articles are Revised]]</i></font color="white">
 
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|colspan="4" align="center"| <sup>'''___________'''</sup>
 
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|colspan="4" align="center"| '''<Big><font color = "white"><i>Want help on how to update your EPG guidance? &nbsp;It is available at [[:Help Article#EPG Approval Process|EPG Approval Process]].'''</i></font color="white">
 
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|colspan="4" align="center"| <sup>'''___________'''</sup>
 
 
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|colspan="4" align="center"| '''<Big><font color = "white"><i>[http://www.modot.org/business/standards_and_specs/highwayspecs.htm The Electronic MoDOT Spec Book for Mobile Devices] is now available. You may also [https://www6.modot.mo.gov/eMoDOTWeb/jsp/signon/signon.jsp sign up for E-Update notices]. To receive notices regarding Engineering Policy Revisions, select "Engineering Policy" then mark the appropriate subjects of interest. '''</i></font color="white">
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! style="padding-left:90px; padding-right:90px; |
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----
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Our mission is to provide a world-class transportation system that is</br>safe, innovative, reliable and dedicated to a prosperous Missouri.
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|style="border: 1px solid #696969; color: #000; background-color: #A9A9A9"|<big><center>'''<font color = "white"><i>WELCOME'''</i></font color="white"></center></big>
 
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| valign="top" width="60%" cellspacing="3" cellpadding="3" style="border: 1px solid #FF8C00; background:#FFA500" align="center"|'''<big><font color="white"><i>RECENT POLICY CHANGES IN THE EPG</i></font color="white"></big>'''
 
 
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|valign="top" style="border: 1px solid #A9A9A9; color: #000; background-color: #F8F8FF"|
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| [[image:Google search.png|200px|bottom|link=https://epg.modot.org/modot/EPG_GoogleSearch.html]]
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{| style="margin: 1em auto 1em auto"
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| [[image:recent_changes.png|200px|bottom|link=Recent Policy Changes in the EPG]]
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| [[image:TA_image.png|200px|bottom|link=616.8_Typical_Applications_(MUTCD_6H)#616.8.2.1_Typical_Applications]]
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| [[image:MASH_info.png|200px|bottom|link=https://epg.modot.org/files/c/ce/MASH_Implementation.pdf]]
 
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|[[image:Main Page Apr 6, 2018.jpg|center|400px|thumb|''' <center>  All four lanes of [http://www.modot.org/southwest/Online%20Public%20Meeting/ChestnutRROverpass.htm Chestnut Expwy. west of Rte. 65] in Springfield are now open. Lane closings are expected for the next couple of weeks as the project is finished.      </center>''']]
 
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|[[image:Main Page Apr 6a, 2018.jpg|center|400px]]
 
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|'''[http://www.modot.org/stlouis/major_projects/PoplarStreetRampproject.htm Sliding the eastbound I-64/I-55 bridge] (the Poplar St. Bridge) 9 ft. to the south across the Mississippi River to add an extra lane to the eastbound lanes.'''
 
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|[[image:Main Page Apr 6b, 2018.gif|center|400px]]
 
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|[[image:Main Page Apr 6c, 2018.jpg|center|400px]]
 
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|[[image:Main Page Apr 2, 2018.jpg|center|400px|thumb|''' <center>  MoDOT is repairing [http://www.modot.org/kansascity/major_projects/I_470_Bridges.htm 15 bridges along I-470 from Blue Ridge Blvd. to I-70].  Crews are progressing well on the Cedar Cr. Bridge in Lee’s Summit.      </center>''']]
 
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|[[image:Main Page Mar 27, 2018.jpg|center|400px|thumb|''' <center>  (L to R) Sr. Traffic Studies Specialist Jeff Baird, a private citizen, Area Engr. Karen Yeomans and Proj. Manager Jenn Becker talk at a public hearing in Brentwood, MO about [http://l.facebook.com/l.php?u=http%3A%2F%2Fwww.modot.org%2Fstlouis%2Fnews_and_information%2FDistrict6Release.shtml%3Faction%3DdisplaySSI%26newsId%3D214955&h=ATOG4rzxJ4soZGAJRbM4OVu2ySBzAcOH4IXD9vJ7ArYnqUuts53-TSSRXponQihxWQx_hpEyrgMzBuMQ3KxuQJbwMf4X6QOUfiWogCwFq4dcoefabtJFF6UQHcrEGomThd3X construction along Manchester Rd. between Lindbergh and Big Bend] scheduled for 2020.      </center>''']]
 
 
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MoDOT has made great strides to build a good transportation system and increase taxpayers' trust in its ability to deliver what was promised. Innovative concepts, such as [[:Category:143 Practical Design|Practical Design]] and [[:Category:139 Design - Build|design-build]], were used to deliver those commitments and have made MoDOT a leader in the transportation industry.
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<b>MoDOT’s three pillars of “Safety, Service and Stability” steer our leadership and employees.  Our commitment to safety includes keeping both customers and ourselves safe.  Our service includes providing outstanding customer service, delivering transportation solutions of great value and using resources wisely.  Keeping roads and bridges in good condition, operating a reliable and convenient transportation system, and advancing Missouri’s economic development reflect our commitment to stability.<br/>Innovative concepts, such as [[:Category:143 Practical Design|Practical Design]] and [[:Category:139 Design - Build|design-build]], are used to deliver our commitments.  These and other forward-thinking concepts shape the content of the ENGINEERING POLICY GUIDE (EPG). This document provides a single reference for all engineering and engineering-related [https://modotgov.sharepoint.com/sites/br Bridge], [https://modotgov.sharepoint.com/sites/cm Construction], [https://modotgov.sharepoint.com/sites/DE/ Design], [https://modotgov.sharepoint.com/sites/ts Highway Safety & Traffic], [https://modotgov.sharepoint.com/sites/mt Maintenance], [https://modotgov.sharepoint.com/sites/tp Planning] and [https://modotgov.sharepoint.com/sites/DE/SitePages/Right-of-Way.aspx Right of Way] guidance.</b>
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These forward-thinking, innovative concepts are reflected in the ''ENGINEERING POLICY GUIDE'' (EPG).  This document provides a single reference for all engineering and engineering-related guidance by combining the former [http://sharepoint/sites/de/RealEstate/SitePages/Home.aspx Right of Way], [http://sharepoint/sites/de/Pages/default.aspx Design], [http://sharepoint/systemdelivery/br/pages/default.aspx Bridge], [http://sharepoint/systemdelivery/cm/Pages/default.aspx Construction], [http://sharepoint/systemdelivery/tr/Pages/default.aspx Traffic] and [http://sharepoint/systemdelivery/mt/default.aspx Maintenance] manuals. 
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MediaWiki, the engine behind the Wikipedia on the World Wide Web, is the software delivering the EPG.  Over 40 million hits on the EPG endorse this format to be easy to navigate and pleasing to read.  A small [[:Help:Contents|'''HELP ARTICLE''']] is included to assist with helpful hints on how to use the EPG as well as other points of interest.
 
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|colspan="5" | <font size = 2> '''Perhaps you've wondered how many hits the most popular EPG articles have.  As of early April, the numbers of hits are:'''
 
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|<font size=2>'''20.'''  [[:Category:136 Local Public Agency (LPA) Policy|EPG 136]]||<font size = 2> 169177
 
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  ||&nbsp;<font size = 2>'''10.''' [[751.5 Standard Details|EPG 751.5]]|| align="right"| <font size = 2> 238212
 
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|<font size = 2>'''19.'''  [[:Category:134 Engineering Professional Services|EPG 134]]||<font size = 2> 177164    ||&nbsp;<font size = 2>'''9.'''  [[616.23 Traffic Control for Field Operations|EPG 616.23]]||align="right"|<font size = 2> 273590
 
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|<font size = 2>'''18.'''  [[751.40 Widening and Repair (Non-LRFD)|EPG 751.40]]||<font size = 2> 179332  ||&nbsp;<font size = 2>'''8.'''  [[:Category:600 INCIDENTAL CONSTRUCTION|EPG 600]]||align="right"|<font size = 2> 275598
 
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|<font size = 2>'''17.'''    [[136.4 Consultant Selection and Consultant Contract Management|EPG 136.4]]||<font size = 2> 179499    ||&nbsp;<font size = 2>'''7.''' [[:Category:100 GENERAL|EPG 100]]||align="right"|<font size = 2> 325772
 
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|<font size = 2>'''16.'''    [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)|EPG 620.2]]||<font size = 2> 189014  ||&nbsp;<font size = 2>'''6.'''  [[:Category:700 STRUCTURES AND HYDRAULICS|EPG 700]]||align="right"|<font size = 2> 341785
 
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|<font size = 2>'''15.'''    [[:Category:903 Highway Signing|EPG 903]]||<font size = 2> 197447  ||&nbsp;<font size = 2>'''5.'''  [[:Category:900 TRAFFIC CONTROL|EPG 900]]||align="right"|<font size = 2> 360763
 
 
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|<font size = 2>'''14.'''    [[:Category:200 GEOMETRICS|EPG 200]]||<font size = 2> 204543  ||&nbsp;<font size = 2>'''4.'''  [[:Category:101 Standard Forms|EPG 101]]||align="right"|<font size = 2> 385986
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| [[image:Broken link.png|200px|bottom|link=mailto:engineering.policy@modot.mo.gov?Subject=Report%20a%20broken%20link&Body=Please%20include%20the%20broken%20link,%20article%20number%20and%20a%20screenshot%20if%20possible]]
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| [[image:Approval process.png|200px|bottom|link=Help_Article#EPS_Approval_Process]]
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| [[image:E-update.png|200px|bottom|link=Help_article#Signing_Up_for_E-Updates]]
 
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|<font size = 2>'''13.'''    [[751.50 Standard Detailing Notes|EPG 751.50]]||<font size = 2> 206559      ||&nbsp;<font size = 2>'''3.''' [[136.12 Figures, Glossary and Other Useful Links|EPG 136.12]] ||align="right"|<font size = 2> 389833
 
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|<font size = 2>'''12.'''    [[136.9 Plans, Specs and Estimates (PSE)|EPG 136.9]]||<font size = 2> 216849  ||&nbsp;<font size = 2>'''2.''' [[:Category:751 LRFD Bridge Design Guidelines|EPG 751]]||align="right"|<font size = 2> 455541
 
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|width="130"|<font size = 2>'''11.'''    [[:Category:616 Temporary Traffic Control|EPG 616]]||<font size = 2> 222475  || width="150"|&nbsp;<font size = 2>'''1.''' EPG Main Page||align="right"|<font size = 2> 3098351
 
 
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'''[[127.29 Storm Water#Special Watersheds where MoDOT|Special Watersheds where MoDOT has been assigned a Wasteload Allocation]]'''
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<b>The design concepts and criteria within the Engineering Policy Guide (EPG) are intended for use when designing new construction projects on new locations or designing reconstruction projects on existing locations. Projects on existing roadways call for a flexible, practical, and performance-based approach to design.  The EPG encourages flexible and practical design, which emphasizes the role of the planning and design teams in determining appropriate design dimensions based on project-specific conditions and existing and future roadway performance, more than on meeting specific nominal design criteria. Although new design values and concepts may be presented throughout the EPG, this does not imply that existing roadways are unsafe, nor does it mandate the initiation of projects to improve existing roadways.  While the EPG does include nearly all engineering related aspects of roadway design and maintenance it is not all encompassing. The use of properly equipped and maintained vehicles, operated by a capable user, is also pertinent to the safe and efficient operation of a transportation facility.</b>
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4/9/18: Guidance to go with the MDNR permit agreement has been added.
 
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'''[[:Category:110 State and Federal Wage Rates and Other Requirements#Required Notices and Posters|Project Bulletin Board Inspection Rate]] '''
 
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4/5/18: The bulletin board inspection rate was revised from every two months to every three months.
 
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'''[[:Category:749 Hydrologic Analysis#749.5.3 Time of Concentration|EPG 749.5.3 Time of Concentration]]'''
 
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4/5/18: Time of Concentration guidance was revised by providing an optional combination of Kirby-Hathaway and Kirpich equations and adding the optional low slope factor presented in new research.
 
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'''[[media:747 Bridge Survey Report April 2018.docx|Bridge Survey Report]]'''
 
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4/4/18: The latest version of this form is now available.
 
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'''[[237.13 Contract Plan File Name Convention#237.13.5 Example Set of Electronic Design Data|EPG 237.13.5 Example Set of Electronic Design Data]]'''
 
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4/3/18: This chart has been updated with current examples.
 
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'''[[236.5 Property Management#236.5.16 Legal Opinion of Title|EPG 236.5.16.1 Fee Simple vs. Less Than Fee Simple Interest]]'''
 
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4/2/18: Clarified guidance about the legal title of opinion for excess property appraised for $25,000 or less that includes any references to right of way in the acquisition deed.
 
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'''Light Bar Guidance'''
 
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4/2/18: In [[616.8 Typical Applications (MUTCD 6H)|EPG 616.8 Typical Applications]], light bar policy in [[media:616.8.35 MT Apr 2018.pdf|TA-35]] and TAs [[media:616.8.35a MT Apr 2018.pdf|35a]]-[[media:616.8.35d MT Apr 2018.pdf|d]] was clarified by highlighting in a note that the light bar is optional. Also, Light Bar guidance in [[616.27 Fleet Lighting#Level 5|EPG 616.27 Fleet Lighting]] was updated.
 
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'''Obtaining DBE Concurrence Electronically in eAgreements'''
 
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3/28/18:  DBE Concurrence may now be electronically obtained in eAgreements.  [[:Category:134 Engineering Professional Services#7. DBE Concurrence must be obtained|MOU execution process]], [[:Category:134 Engineering Professional Services#DBE Concurrence must be obtained from External|consultant contract]] and [[:Category:134 Engineering Professional Services#DBE Concurrence must be obtained from External Civil|supplemental agreement]] guidance was updated.
 
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'''[[751.2 Loads#Wind Pressure on Vehicles|EPG 751.2.2 Transient Loads]]'''
 
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3/27/18: Wind pressure on vehicles, [[751.2 Loads#751.2.2.6 Other Loads|braking force and centrifugal force]] are assumed to act horizontally at the roadway surface, per AASHTO agenda.
 
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'''[[:Category:402 Bituminous Surface Leveling|Contract Leveling Course (CLC)]] and [[:Category:409 Seal Coat|Seal Coat]]'''
 
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3/27/18: The Contract Leveling Course and Seal Coat guidelines, pdf files, as well as their respective JSP packages were updated.
 
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'''[[103.1 Bid Opening and Award Process#103.1.6.6.1.2 File Naming Convention for Plan Sheet Changes|EPG 103.1.6.6.1.2 File Naming Convention for Plan Sheet Changes]]'''
 
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3/20/18: Guidance was updated for ProjectWise.
 
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'''[[237.14 Electronic Design Data Delivery|EPG 237.14 Electronic Design Data Delivery]]'''
 
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3/16/18:  EPG 237.14 has been completely rewritten and updated. Please carefully read and note the changes.
 
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'''[[751.1 Preliminary Design#For retaining walls supported|EPG 751.1.2.21 Substructure Type]]'''
 
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3/9/18: Guidance for minimum galvanized penetration (elevation) was added for piles for retaining walls supported on piles and bridge end bents on piles with embankments supported by MSE walls.
 
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'''TMA Light Bar'''
 
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3/8/18: In [[:Category:612 Impact Attenuators#612.1.3 MoDOT Protective Vehicle/TMA Guidelines|EPG 612.1.3 MoDOT Protective Vehicle/TMA Guidelines]], the TMA Light Bar is now temporarily optional and not required to be purchased for use. In [[616.8 Typical Applications (MUTCD 6H)#Listing of Typical Applications for Maintenance|EPG 616.8 Typical Applications]], [[media:616.8.35 MT 2018.pdf|TA-35 MT]] and [[616.8 Typical Applications (MUTCD 6H)#Listing of Typical Applications for Maintenance|TAs 35a-35d MT]] were also updated with this information.
 
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'''Tack Coat Estimate Factors'''
 
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2/27/18: The [[Media:450 Estimate Factors 2018.doc|tack coat estimate factors]] were updated in [[:Category:450 Bituminous Pavement Design|EPG 450 Bituminous Pavement Design]].
 
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'''[[:Category:146 Disadvantaged Business Enterprise (DBE)#146.2 DBE Subcontract|EPG 146.2 DBE Subcontract]]'''
 
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2/22/18: Clarified guidance regarding overruns and underruns as they relate to DBE participation.
 
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'''DBE Concurrence and Executing Consultant Contracts'''
 
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2/16/18: Guidance in [[:Category:134 Engineering Professional Services#MoDOT MOU Execution Process |EPG 134.2.4 MoDOT MOU Execution Process]], [[:Category:134 Engineering Professional Services#134.4 Contract Approval, Execution and Distribution|EPG 134.4 Contract Approval, Execution and Distribution]], [[:Category:134 Engineering Professional Services#134.5.2 Supplemental Agreements|EPG 134.5.2 Supplemental Agreements]] and [[153.8 Design|EPG 153.8 Design]] now directs that DBE Concurrence must be requested prior to executing consultant contracts.
 
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'''D-15 Material List'''
 
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2/9/18: In [[237.7 Equipment and Materials List|237.7 Equipment and Materials List]], designers are now required to include the D-15 in the Electronic Deliverables.
 
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'''[[616.6 Temporary Traffic Control Zone Devices (MUTCD 6F)#616.6.89 Radar Speed Advisory Assembly|EPG 616.6.89 Radar Speed Advisory Assembly]]'''
 
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2/9/18: Expanded and updated guidance on the placement of the Radar Speed Advisory Assembly.
 
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'''Revised Galvanized Pile Requirements'''
 
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2/9/18: In [[:Category:702 Load-Bearing Piles|EPG 702 Load-Bearing Piles]], [[751.1 Preliminary Design#751.1.2 Bridges/Boxes|EPG 751.1.2 Bridges/Boxes]], [[751.36 Driven Piles|EPG 751.36 Driven Piles]], [[751.50 Standard Detailing Notes#E2. Foundation Data Table|EPG 751.50 E2]], [[751.50 Standard Detailing Notes#G. Substructure Notes|EPG 751.50 G]], the revised galvanized pile requirements eliminate steel piling option AASHTO M 270, Gr 36 (ASTM A 709, Gr 36) and replace it with AASHTO M 270, Gr 50 (ASTM A709, Gr 50). 
 
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'''Pipe Culverts'''
 
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2/9/18: Guidance has been clarified and completely rewritten to be in accordance with pipe specifications.  This includes the new articles [[:Category:724 Pipe Culverts|EPG 724 Pipe Culverts]] and [[:Category:1041 Polypropylene Culvert Pipe|EPG 1041 Polypropylene Culvert Pipe]] and the re-titled [[:Category:730 Thermoplastic Pipe Culverts|EPG 730 Thermoplastic Pipe Culverts]]. [[:Category:732 Flared End Sections|EPG 732 Flared End Sections]], [[750.7 Non-Hydraulic Considerations#750.7.2 Types|EPG 750.7.2 Types]], [[:Category:1028 Corrugated Polyvinyl Chloride Culvert Pipe|EPG 1028 Corrugated Polyvinyl Chloride Culvert Pipe]] and [[:Category:1047 Corrugated Polyethylene Culvert Pipe|EPG 1047 Corrugated Polyethylene Culvert Pipe]] were also updated.  EPG 728 Corrugated Polyvinyl Chloride Culvert Pipe was deleted since there is no longer a Sec 728.
 
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'''Drainage relative to MSE Walls'''
 
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2/9/18: Revised guidance in [[:Category:747 Bridge Reports and Layouts#747.2.6.2 Mechanically Stabilized Earth (MSE) Wall Systems|EPG 747.2.6.2 Mechanically Stabilized Earth (MSE) Wall Systems]], [[751.1 Preliminary Design#751.1.2.18 Preliminary Cost Estimate|EPG 751.1.2.18 Preliminary Cost Estimate]], [[751.1 Preliminary Design#751.1.2.31 Design Exceptions|EPG 751.1.2.31 Design Exceptions]], [[751.1 Preliminary Design#751.1.4.3 MSE Walls|EPG 751.1.4.3 MSE Walls]], [[751.10 General Superstructure#751.10.3.1 Type, Alignment and Spacing|EPG 751.10.3.1 Type, Alignment and Spacing ]], [[751.10 General Superstructure#751.10.3.3 General Requirements for Location of Slab Drains|EPG 751.10.3.3 General Requirements for Location of Slab Drains]], [[751.24 LFD Retaining Walls#751.24.1.1 Wall Type Selection|EPG 751.24.1.1 Wall Type Selection]], [[751.24 LFD Retaining Walls#751.24.2 Mechanically Stabilized Earth (MSE) Walls|EPG 751.24.2 Mechanically Stabilized Earth (MSE) Walls]] and [[751.50 Standard Detailing Notes#J1. General|EPG J1. General]] better defines where drainage/water can or cannot be discharged relative to the location of MSE walls and provides ways to divert the drainage/water in the design process.
 
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'''Collars on Precast Concrete Box Culverts'''
 
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2/9/18: Revisions in [[751.8 LRFD Concrete Box Culverts#751.8.1.5 Precast Culvert|EPG 751.8.1.5 Precast Culvert]], [[751.8 LRFD Concrete Box Culverts#751.8.3.2 Steel Reinforcement|EPG 751.8.3.2 Steel Reinforcement]] and [[751.50 Standard Detailing Notes#A2. Concrete Box Culverts and Other Type Structures|EPG 751.50 A2.8]] address collars on precast concrete box culverts when cast-in-place box culverts are called for on the project. The revision also revises when/how geotextile fabric is used on precast joints. 
 
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'''LED Luminaires'''
 
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2/9/18: Guidance is now provided to allow the use of LED luminaires for roadway lighting in [[901.7 Light Source and Intensity|EPG 901.7 Light Source and Intensity]], [[901.8 System Voltage|EPG 901.8 System Voltage]], [[901.9 Layout|EPG 901.9 Layout]], [[901.11 Light Emitting Diode (LED) Luminaire Performance and Computation of Roadway Illumination|EPG 901.11]], [[901.12 Electrical Components|EPG 901.12 Electrical Components]], [[901.13 Lighting Proposed by Other Political Subdivisions on State Highways|EPG 901.13]], [[901.14 Dusk-to-Dawn Lighting Policy|EPG 901.14 Dusk-to-Dawn Lighting Policy]], [[901.16 Construction Inspection Guidelines for Sec 901|EPG 901.16 Construction Inspection Guidelines for Sec 901]].
 
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'''Request to Subcontract Work (Form C-220)'''
 
  
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2/6/18: Guidance for a contractor to fill out Form C-220 was clarified in [[:Category:108 Prosecution and Progress#108.1.3 Disadvantaged Business Enterprises (DBE) Subcontracting|EPG 108.1.3 Disadvantaged Business Enterprises Subcontracting]].
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Latest revision as of 12:52, 12 September 2024

Our mission is to provide a world-class transportation system that is
safe, innovative, reliable and dedicated to a prosperous Missouri.

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MoDOT’s three pillars of “Safety, Service and Stability” steer our leadership and employees. Our commitment to safety includes keeping both customers and ourselves safe. Our service includes providing outstanding customer service, delivering transportation solutions of great value and using resources wisely. Keeping roads and bridges in good condition, operating a reliable and convenient transportation system, and advancing Missouri’s economic development reflect our commitment to stability.
Innovative concepts, such as Practical Design and design-build, are used to deliver our commitments. These and other forward-thinking concepts shape the content of the ENGINEERING POLICY GUIDE (EPG). This document provides a single reference for all engineering and engineering-related Bridge, Construction, Design, Highway Safety & Traffic, Maintenance, Planning and Right of Way guidance.

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The design concepts and criteria within the Engineering Policy Guide (EPG) are intended for use when designing new construction projects on new locations or designing reconstruction projects on existing locations. Projects on existing roadways call for a flexible, practical, and performance-based approach to design. The EPG encourages flexible and practical design, which emphasizes the role of the planning and design teams in determining appropriate design dimensions based on project-specific conditions and existing and future roadway performance, more than on meeting specific nominal design criteria. Although new design values and concepts may be presented throughout the EPG, this does not imply that existing roadways are unsafe, nor does it mandate the initiation of projects to improve existing roadways. While the EPG does include nearly all engineering related aspects of roadway design and maintenance it is not all encompassing. The use of properly equipped and maintained vehicles, operated by a capable user, is also pertinent to the safe and efficient operation of a transportation facility.

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