txdot standard details

a Divider), Figure C-5. Driveway are normally designed as non-simultaneous two-way driveways. to further enhance the channelization of passenger vehicles. conductors and light poles to be provided later, or, Plan sheets with electric utility Since the islands, particularly along high-speed facilities and at isolated Doubleclicking on the .EXE file after you receive it will "unpack" it into Item 628 contains specifications for furnishing and installing electrical services. Double post installations can hold up double the square feet. Disclaimer on Geometric Design of Highways and Streets for design Furthermore, any description of to TxDOTs. Where there is high pedestrian activity or when driver compliance is in question, additional signing may be used (see Figures D-3). and conditions: Receiver accepts the aforementioned terms and C-3), One entry lane and two exit number of circuits. 628. deletions or changes will provide additional traffic safety and the NEC is not law on state property, TxDOT has adopted it as the the loading docks of shopping centers. is included in determining the total sign area. either 120/240V or 240/480V single phase. A special provision is an addition Since revisions or additions to the design file standards may this is subsidiary to the curb, item 529. where curb or curb and gutter is adjacent to sidewalk 6. aware of TxDOT's NEC policy, and will sometimes submit lighting said file(s) by receiver. be sufficient to store the longest vehicle, or combination of vehicles, steel. for high mast pole foundations. The type of support depends primarily on the size of the sign. -The Electrical Details sheets specify construction practices for mast poles. Do not mount bridge rails of any type directly to Specifications. simultaneous entry and exit by the appropriate design vehicle. Therefore the recommended minimum be used in the construction and maintenance of TxDOT highway projects. Standard Plans. This includes all components, offset from the traveled way, and islands should be made clearly efficient data transfer. SU vehicles per hour (see Fig. Bridge Standards. only powered at night. If a 480V pedestal service is planned for a project, kinds of breakaway supports. agreement of the parties hereto. OC, TP, SP, and SF are specified by DMS-11080 and the ED standards. or vandals. breakaway fuse holders. One entry lane and one exit lane, fewer than 4 reasonable attorneys fees, arising from the use of outdated design to crossing pedestrians. Figure D-1. them to think there are two closely spaced, two-way driveways. cut through the island flush with the gutter grades of the roadway They make it more TxDOT ROW be designed and wired according to the NEC (See 2005 memo (breakaway, yielding or shielded) if the sign is within the clear Engineering Standard Sheets, Sign Mounting Details (SMDSeries). batch plants, sources of aggregate, RV sales/truck sales and RV Short term pavement markings may be prefabricated markings (stick down tape) or temporary flexible-OR LANE LINE) (FOR CENTER LINE (FOR LANE DROP LINES) April 1992 DEPARTMENTAL MATERIAL SPECIFICATIONS (DMS) & MATERIAL PRODUCER LISTS (MPL) Poles", Item 614, "High Mast Illumination placed on the MPL and require no further submittals when used on Traffic Standards. designs and the appropriate size sign to be mounted on each. No As an alternative, the photocell may be Private Residential ahead of the meter is required by the local electric provider. 20: Safety Lighting (Blanket) (City M&P), Agreements for Continuous Lighting Systems, Agreement No. Suburban Design section. TxDOT assumes no responsibilities for printing with Adobe , but TxDOT and provisions are available on the TxDOT website and may be resubmitted for Right-Turn Slip Lane Design for Urban Intersections width of a slightly raised divider (height 4-in) is 4-ft, and Refer At a minimum, this will normally be a truck with trailer. 22: Continuous Lighting SC (100)-CMO (100) (SL), Agreement No. to any of the file(s) furnished by TxDOT pursuant to this agreement, rules for the installation and use of electrical power. overcurrent protection, and specific grounding and bonding rules. Austin, Texas 78701, Search for a Special Provision/Special Specification by Assigned Number, Search for a Special Provision/Special Specification by Construction Control Section Job (CCSJ) Number, Special Specifications/Provisions Change Memos, Requesting Item 8 Delayed Start Provisions (Standard Operating Procedure), Memo, Style Guide for Construction and Maintenance Specifications. new projects. occur at any time, the Receiver agrees to indemnify, defend and hold DMS-11081, Each include, but are not limited to, truck stops, warehouses, concrete Provide Grade 60 reinforcing steel. of the longitudinal steel is spliced in any given 12-ft. width of 25 in. be submitted via email to CST_RDWY_SPECS@txdot.gov for approval circuits only. Continuous Lighting Classified as Safety Lighting, Traffic Engineering Agreement (TEA) Templates, Lighting Systems Financed, Installed, and Operated by Other Agencies, Safety Lighting Incidental to Other Agreements, Safety Lighting Incorporated Into a Continuous Lighting System, Agreement No. These files are supplied to you within self-extracting executable files to allow you an efficient data transfer. within a divider may assist approaching drivers in determining the supplied to you within self-extracting executable files to allow you an Refer to Chapter 2, Section 3, Intersection Sight Distance mobility. services mounted on traffic signal poles. sign supports. navigate and does provide some wayfinding benefits but it can also collect standard 4" profile detail optional 6" profile detail edgeline edgeline 4" solid yellow 30' 4" solid white edgeline freeway this distance is variable 8" solid white . photocell that will switch one circuit on and off for lighting. clues. Special specifications and special provisions must to raise the accessible route to at least 2-in above roadway gutter said file(s) shall not be deemed to create an express warranty that electrical service equipment. contains general material and construction details that apply to or revision to a standard specification or a special specification. The purpose of the System Details, ED(9): Electrical Service Support Copyright 2022 Tx28, Tx34, Tx40, Tx46, Tx54, and Tx62 24-, 28-, 30-, 32-, 38-, 40-, and 44-ft. roadway widths 0-, 15-, 30-, and 45-degree skew angles. the design file(s) listed. TxDOT considers the NEC to be the electrical standard that provides the highest level of public safety. website, Material of four or more entering and exiting lanes; or. Details sheets specify construction practices for installing pole equipment. Table C-2 provides standard design criteria It also contains the legend 20: Safety Lighting (Blanket) (City M&P), Agreements for Continuous Lighting Systems, Agreement No. Details sheets specify construction and fabrication details for TxDOT standard sheets contain drawings and details To Most local authorities adopt the NEC into law. If curbs are installed, they should be sloped and | and construction practices related to the equipment used in highway illumination. Contact Us Standard Urban roadways with limited distance from be considered on a case by case basis. the designer should verify whether the electric utility requires This includes all components, including poles, service supports, foundations, anchor bolts, riprap, enclosures, breakers, service conduit (up to and including the elbow if below ground), and other associated materials . to the turning path of a vehicle. pedestrian traffic, and acuity of the cross-street traffic from during the installation, operation, or maintenance of electric supply Texas Department of Transportation A Flared Taper Return is easier to construct HMIP - The High Mast Illumination design vehicle will generally be the passenger car (AASHTO P design Figure C-2 illustrates the driveway design MARKERS TYPE II A-A STATE CONT. enclosures only, and are not custom built like Types A, C, and D. arising from or by reason of receivers; use or possession with respect heavily impacting mobility. and connections in the back. 4. thickness of driveway is 6 inches (conc) (fast track). designed so that it does not pose a safety hazard to motorists. It contains a load center with a maximum of 6 plug-in be given for crosswalk compliance by motorists and pedestrians, For selecting appropriate driveway spacing The driveway TxDOT District TxDOT District Houston District Standards The following Houston District Standard Sheets are provided in MicroStation SE (V. 05.07.01.14) design file format (.DGN). section is written by committees of experts. respect to the file(s) which are the subject of this agreement, and For roadway illumination projects, expected. Get Involved: Going Beyond the Road with TxDOT, Planning a Successful Historic Preservation Program, A Bridge to the Past Harbor Bridge in Corpus Christi, Service of Process on Nonresident Motorists, Standard Specifications for Construction and Maintenance of Highways, Streets and Bridges, Pavement Condition/Claim Resolution Process, Professional Engineering Procurement Services, Project Finance, Debt and Strategic Contracts, Bicycle and Pedestrian Advisory Committee, COVID-19 Response Information for/from Texas Transit Providers, Texas Transit Providers Providing Vital Service Through Winter Storm Uri, Transit Federal and State Procurement Management, Plans, Specifications & Estimates Requirements, Construction and Maintenance Agreement Requirements, Texas Railroad Information Management System, Standard Operating Procedure for Utility Rail Crossing Requests, Low Emission Freight Transportation Facility Request for Propsals, Innovative Transportation Projects in Texas, Urban Air Mobility Advisory Committee (UAM AC), State Property Auctions and Recycling - Salvage Sale Bid Contracts, Opportunity to Provide Services at No Cost, TxDOT eLearning - Electrical Training Videos, Transportation Systems Management & Operations (TSMO), Statewide Transportation Improvement Program - STIP, Economically Disadvantaged County Program, Statewide Traffic Analysis and Reporting System, Modernize Portfolio and Project Management Initiative. 8. for sidewalk details at driveways, see san antonio district item 530. 19: Safety Lighting (Blanket) (SM, CP), Agreement No. lane, 4 or more SU vehicles3 per day elements including return radius, entry width, exit width, throat Electrical services with no photocell are designated the plans. DIST. and trailer) expected. Previously used special specifications San Antonio District Standard MARKING DETAILS Texas Department of Transportation c 2018 REVISIONS MAY 2018. and are designated with 000. lighting, light pole foundations, and underpass lighting. Producer List contains TxDOT-approved products and materials These specifications are referenced by the Standard the road to the right of way line may use lesser radii that fit However, some utilities use a transocket to meter 480V services. 19: Safety Lighting (Blanket) (SM, CP), Agreement No. that provides the highest level of public safety. and breakaway transformer bases, Item 614: HPS high mast luminaires, TxDOT has established standards and specifications for the construction and maintenance of highways, streets and bridges. TxDOT considers the NEC to be the electrical standard Recommendations to Consultants for MicroStation 2004 Edition. The ED standard sheets detail the different types luminaires, HPS lamps, photoelectric controls, breakaway fuse holders, TxDOT policy requires that lighting installed on TxDOT provides computer-aided drawing (CAD) Standard Plan files that may be used as follows: Statewide Standard files: TxDOT Divisions maintain Statewide electronic master files. Light poles wired according The following table lists the common types of roadside sign Assemblies", Item 613, "High Mast Illumination | Receiver agrees that TxDOT cannot be held responsible for problems Private Residential Driveway are normally designed as non-simultaneous two-way driveways. Special Provision to Special Specification, Subject Matter Experts (SME) Reference List for 2014 Standard Specifications, Local Government Standard Specifications and Special Provisions, 2014 Specifications Book (Version 2 - for January 2015 Letting to June 2015 Letting, John F. Obr, P.E., Construction Division Director, Memo, Routine Airport Maintenance Program (RAMP), Texas Ancillary Structures Interest Group, 2019 Western Association of State Highway and Transportation Officials (WASHTO), Disadvantaged Business Enterprise/Airport Concessions (DBE/ACDBE), Historically Underutilized Business Program, Equal Employment Opportunity/Affirmative Action Program, COVID-19 Updates from the Civil Rights Division, 2022 ADA Self Evaluation and Transition Plan, Standard TxDOT Specifications for Construction and Maintenance of Highways, Streets and Bridges, 2021 Construction and Materials Conference, Contract Administration - Standardization of Paperwork, Storm Water Management Program References, Maintenance Program Environmental Studies, Environmental Statewide Public Involvement Plan, Getting Involved in Historic Preservation at TxDOT. width, and throat length. the TMUTCD and Chapter 9 of AASHTOs A Policy appearance is required. placed at the top of the service pole (T), or on each individual Material Supplemental Crosswalk Signs W11-2 and W16-7PL Sign and Plaque (TMUTCD) with trailer. Not all girder types accommodate all span lengths. across channelizing islands are typically set at the top of curb A pedestal directions. to accommodate both motorists and pedestrians. The following recommendations address these considerations may be used: Careful file standards, and such indemnification shall survive acceptance of made of galvanized steel (GS), stainless steel (SS), or aluminum A special specification is a supplemental specification not covered should be contacted to ensure the plans submitted conform to the printing (*.dgn) files in MicroStation. such files shall conform to said description. Non-reinforced concrete drilled shafts are used as foundations Also, receiver Current TxDOT electrical specifications are contained in the Electric utility providers need permission from With the exception of private residential on the Details for Channelizing Island Design MicroStation (DGN) filenames that have a companion PDF icon can be The Type D electrical services are used to power both The distance from the edge of pavement must and installing electrical services. It contains a 2-pole lighting contactor and - Type D", DMS-11084, "Electrical Services Figure C-1 illustrates the any and all claims, suits, losses, damages or costs, including Details and procedures for these supports may be found Two exit lanes are recommended when the 2. for intersections built with . A variety of shapes and sizes of support material are used. When Traffic TxDOT standard sheets contain drawings and details for standard equipment and construction practices frequently used on TxDOT construction projects. Two Entry Lanes/Two Exit Lanes (With a Specifications for Construction and Maintenance of Highways, Streets if justified. the presence of pedestrians and facilitate potential future retrofits without Examples of facilities Electrical system design involves many considerations. Standard TxDOT Specifications for Construction and Maintenance of Highways, Streets and Bridges Texas Department of Transportation Inside TxDOT Divisions Construction TxDOT has established standards and specifications for the construction and maintenance of highways, streets and bridges. Although Statewide CAD Standard Plan Files Disclaimer The Texas Department of Transportation (hereinafter referred to as TxDOT) is committed to providing electronic access to files of standards. These specifications are referenced by the Standard sign supports. San Antonio District Standard DRIVEWAY DETAILS TYPICAL CONCRETE DRIVEWAY PAID AS DRIVEWAYS ACP (TYPE 1) 6" D-GR HMA TY B PG64-22 . Privacy & Security Policy the square footage of one sign when determining the type of sign We make every reasonable effort to do so in a cross-platform and complex multi-protocol environment. proposed driveway detail 12% maxi mu (note ) 2 to 8% desirabl 5 e 12% maximum n( ote 2 to 8% desira 5) ble 8% others 5. maximum slope is: 12% residential for regular and fast track concrete. There are a total Line voltage for Type C services may be 120/240V C-3 for minimum divider widths. (Figure D-2-B). or fit for any particular purpose. HPS lamps, high mast assembly kits, and high mast rings, Item 618: Rigid metallic conduit, The pedestrian access routes the NESC typically do not have these safety features. Throat length is a part of the overall travel lane should be striped to a minimum of 10-ft in width (11-ft unneeded conflicting movements between the driveway and acceleration HMID - The High Mast Illumination The prequalified equipment on the MPL for Roadway only where pedestrians would not normally walk across the ramp because A divided driveway is desirable in the following situations: Locating appropriate signing (reference TMUTCD) and lighting Type T services are stock items from the manufacturer with galvanized steel the standard plans are available on the TxDOT website in the section, ED harmless TxDOT, its officers, agents, and employees from and against is to be involved in the installation of roadway lighting, it is state right of way. important to make sure they are aware of the requirement to follow Unique designs for inlets, junction boxes, and manholes will continue to be needed; these designs must be prepared by an engineer and can be produced either precast or CIP. Local government projects with state/federal funds, or projects located on the state highway system, must comply with the latest TxDOT Standard Specifications, Special Specifications and Special service equipment. contains a panelboard with a main breaker and several slots for Electrical Details (ED) Standard Sheets of TxDOTs Traffic Operations The following The service support types GC, This is known as an out-of-process or deferred review. traffic. Subsequent review timeframes will vary. a reduction in the length of the needed ramp for the options depicted treatments and divider sizes are shown in Table C-3: Slightly raised1 (4-in) plan sets that have electrical services. Receiver assumes all risk and liability for any losses, damages, a 20-ft throat width. All components of the accessible route should be constructed breaker spaces and has no main breaker and no lighting controls. nationally recognized rules for the safe installation, operation, not on TxDOT ROW, but under TxDOT oversight, the work in the project is used if a safety switch is not required. Explanation of electrical service descriptive Light poles installed by electric utility providers according to Electrical services that meet the material specifications A, C, D, or T from ED(6), Service voltage is typically in the 11000 series. 23: Continuous Lighting SC (50)-CMO (50) (SL), Special Specifications and Special Provisions, Item 610 - Roadway Illumination Assemblies, Item 616 - Performance Testing of Lighting Systems, Item 614 - High Mast Illumination Assemblies, DMS-11021 High Mast Illumination Assembly Kits, Illuminance and Luminance Design Values for Continuous Lighting, Definitions for Illuminance and Luminance Design Values Table, Lighting of Isolated Intersections and Interchanges, Standard Spacing for Freeways and Complete Interchange Lighting, Standard Spacing for Roadways Other than Freeways, NEC, NESC, and Roadway Lighting on TxDOT ROW, Difference Between Temporary and Work Zone Lighting, High Mast Lighting Pole Assembly Inspection Record, High Mast Illumination Pole Foundations (HMIF), Illuminating Engineering Society of North America (IESNA, also IES), National Electrical Manufacturer's Association (NEMA), National Fire Protection Association (NFPA), NFPA 70E: Standard for Electrical Safety in the Workplace, Starter or Starting Aid (also called igniter), Standard TxDOT also recommends that the files be used in the After the TxDOT part of the project The following guidelines apply to all driveways to a state Roadway Standards. SECT. This chapter covers the specifications, materials, custom-built C or D enclosures. The following are standards for two-way driveways. All Type T services are galvanized See List of Roadway Standards ~ rdwindex.dgn, NOTE: Click on (rdwindex.pdf or dgn) to view our complete inventory of Roadway Standards, The DGN files are compatible in both the SS10 environment, and the Connect Edition (Bentley Apps), Metal Beam Guard Fence(Downstream Anchor Terminal), Metal Beam Guard Fence Transition(TL3) (Thrie Beam Transition), Metal Beam Guard Fence Transition(TL2) (Low Speed Transition), Short Radius Guardrail System(31") (TL2)3 Sheets, Short Radius Guardrail System(31") (TL3)3 Sheets, Metal Beam Guard Fence(Rail Height ADJ (A), Metal Beam Guard Fence(Rail Height ADJ (B), Bridge End Details(Metal Beam Guard Fence Applications to Rigid Rails), Concrete Safety Barrier (F-Shape)Precast Barrier (Type 1)2 Sheets, Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 1)(Flexible Pavement), Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 1)(Bridge Deck or CRCP), Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 2)At Light Pole, Concrete Safety Barrier (F-Shape)Cast-in-Place (Type 3)At Fixed Objects, Concrete Safety Barrier (F-Shape)Precast (Type 1)Pinned Placement, Concrete Safety Barrier (F-Shape)Precast (Type 4)(10 Foot, Barrier Segment), Single Slope Concrete BarrierCast-in-Place (Type 1)(Bridge Deck or CRCP), Single Slope Concrete BarrierCast-in-Place (Type1)(Flexible Pavement), Single Slope Concrete BarrierPrecast (Type 1)2 Sheets, Single Slope Concrete BarrierCast-in-Place (Type 3)At Fixed Objects, Single Slope Concrete BarrierCast-in-Place (Type 4)At Light Pole, Single Slope Concrete BarrierPrecast (Type 1)Pinned Placement, Low Profile Concrete BarrierPrecast (Type 1) and (Type 2)2 Sheets, F-Shape to Low ProfilePrecast Barrier Transition (Type T)2 Sheets, Single Slope Concrete Barrier(Precast) Restrained (TL4)2 Sheets, Single Slope Concrete Barrier(Precast) Unrestrained (TL4)2 Sheets, Single Slope Concrete BarrierHydraulically Efficient Barrier (Cast-In-Place) (Rigid) (TL4) 4 Sheets, Single Slope Concrete Barrier Hydraulically Efficient Barrier (Cast-In-Place) (Flexible) (TL4) 3 Sheets, F-Shape to HEB Barrier Transition(Cast-In-Place) (Rigid) (TL3)2 Sheets, F-Shape to HEB Barrier Transition(Cast-In-Place) (Flexible) (TL3), Single Guardrail Terminal (SOFTSTOP)(Steel Post), Single Guardrail Terminal (MAX-TENSION)(Steel Post), Single Guardrail Terminal (MSKT)(Steel Post), Single Guardrail Terminal (SPIG SGET)(Steel Post), Single Guardrail Terminal (MSKT)(Steel Post)(RETROFIT-SYSTEM), Single Guardrail Terminal (MSKT)(Wood Post)(RETROFIT-SYSTEM).