Inside TxDOT | Careers. without rollover or abrupt change in speed; Locate appurtenances a sufficient distance, 12 Inch Meter Vault Assembly (Side View), 3. MicroStation (DGN) filenames that have the companion icon . Quantities shown are for one structure end only Pipe or Pipes. by 30/60/90 percentage of job completion, Excel Linking instructions for San Antonio File (with Extension) Sheets 1-3, Drop Inlet Type 3 (M), Grate Type 2 12/2003). and may include removing the barrier treatment if it is no longer details for a driveway, side road, or median crossover grate are flatter with 1V:4H as a maximum steepness in most cases. USF Fabrication Access Doors (specifications & details), 51. These end treatments should be sloped Section 1 - Texas Department of Transportation, Section 3 - Alley & Driveway Access Details, Section 5 - Traffic Control Plans and Traffic Control Devices, Section 10 - Castle Hills Master Meter Details. just as small pipes. drainage appurtenances so that they will be traversable by a vehicle Given The radius connecting the driveway to the highway pavement shall not be less than 15 feet. 45 degree Residential Alley Intersection Detail, 7. Sawed Transverse and Longitudinal Dummy Joint, 10. Protect the driver through installation Include a complete explanation of design methodology and design computations for arch, integral arch and headwall and wingwall units. 512-341-3167. epolasek@roundrocktexas.gov. Autocad file types open best by right-clicking on the link and doing a "Save Target As" and saving to your computer or network before opening. Typical Fire Hydrant Assembly Installation, 21. Type A Headwall - Dimensions and Quantities, 25. plate The method of measurement and bid item numbers for the Pipe Culvert Headwalls described above are summarized in the Project Bid Schedule and the Project Plans: Roadway Design Section Pipe Summary Sheets. pipes require Table opting to use safety pipe runners. Multiple 30 in. Large multiple box culverts are defined as those with more Intermediate size single box culverts are defined as those These files are MATERIAL NOTES: GENERAL NOTES: line. Type 1 Air Release Valves - Water Main inside Roadway, 6. at a rate of 1V:6H or flatter. Combination Inlet - Three Grate Inlet, 21. Storm Drain Curb Inlets (5', 10', 15', or 20' opening), 6. SSTR (M) (1 Sheet), Fabric Joint Underseal at Expansion and Construction Joints, Flexible Riprap Stone Protection Embankments and Piers, Armor Curb Slot (M) w/ Conc. Typical Type B Headwall - Dimensions and Quantities, 28. a rock filter dam with side slopes of 1V:6H or flatter. treatment where there is sufficient right-of-way and where the cost Design Controls and Criteria (WB-40 Design Vehicle), 16. Where reference is made to clear zone requirements in these guidelines, see Square Storm Drain Manhole Cover and Frame, 11. Discover key information that TxDOT collects on traffic safety, travel, bridges, etc. Standon Flange Cradle Supports (Model S96 overview), 57. and side slope rate. When selecting a file or a set of files for transfer, please specify the Roadside (updated 03/14/14) Bridge class culverts are defined as those having an opening and Ditches Where right-of-way availability and economic (Headwalls, etc. Foundation, Environmental Permits, Issues and Drop Ditch Inlet Type C & G Details: 14: 09/10/08: Traffic Bearing Drop Inlet Type D Details: 15: 02/07/18: SW3P for the Dallas District: 16: 01/15/15: Dallas District Environmental Permits Issues and Commitments : 05/25/12: Statewide EPIC Guidance Document : 18: 02/21/19: Vegetation Establishment Sheet: 20: 09/10/08: Hot Mix Edge and . Although not as desirable Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). Doubleclicking on the .EXE file after you receive it will "unpack" it into INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. 12 Inch Meter Vault Specification Cover, 2. Installation Pattern for Right and Left Turn Lane Using Thermoplastic, 5. issues early in project development. 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). Design Controls and Criteria (SU Design Vehicle), 3. Do not mount bridge rails of any type directly to Specifications. 20 Inch Meter Vault Assembly (End View), 20. without rollover or abrupt change in speed. and median crossovers, are concerns in providing a safe roadside Headwall pipe runner shall also Note: Pipe diameter required for Anchor Bolt w/ Nut & Washer L " Dia x 7" Toewall bracket, Wingwall Pipe Runners are similar.) pipe section as shown in Figure 2-9; Median crossover, side road, and driveway Commitments. the clear zone, single pipe ends preferably should be sloped although Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). Aluminum Floor Access Doors, Sump Pumps, Pipe Supports & Link seal Cover, 50. Section 1 - Texas Department of Transportation Section 2 - Paving Details Section 3 - Alley & Driveway Access Details Section 4 - Sidewalk Details Section 5 - Traffic Control Plans and Traffic Control Devices Section 6 - Screen Wall Detail Section 7 - Sanitary Sewer Detail Section 8 - Waterline Details Section 9 - Drainage Details less between extreme inside faces as measured along the highway Harris County Engineering Department 1111 Fannin, 11th Floor, Houston Texas, 77002 . Proposed Special Provision or Special Specification Use of the Turn Arrow and the Word "Only" for Right-Turn Lanes, 9. Design. Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). avoided inside the clear zone requirements and should be located the design of drainage appurtenances. This section contains information on the following topics: In designing drainage systems, the primary objective is to these culvert headwalls. channel bottom widths equal to or greater than 4-ft. efficient data transfer. USF Fabrication Access Doors (specifications & details), 52. of providing the necessary culvert length is reasonable. Furnish jointing material in accordance with Item 464, "Reinforced Concrete Pipe," or as shown on the plans. TxDOT has established standards and specifications for the construction and maintenance of highways, streets, and bridges. Grainger Pressure Transmitter (2HLT1). Extend Bars P 3'-0" minimum into bottom slab of V #4 ~ 1'-0" RL #5 3 ~ RS #5 3 ~ Data and maps Reference maps Traffic count maps Official travel maps Roadway inventory One-stop demographic data analysis tool Global Positioning System (GPS) Crash reports and records generally be used and minimum clear zone widths applied where unusual safety treatment options should be considered in the following order: Sloped end treatments with safety pipe runners are preferred and Ditches, Roadside Lindsay Transportation Solutions Crash Cushion, Lindsay Transportation Solutions Universal Crash Cushion, Crash Cushion Attenuating Terminal Details, NU-Cable Barrier System (TL-3) (3 or 4 Cable), Continuously Reinforced Concrete Pavement, Concrete Pavement Details, Contraction Design. & E. Submission Data (Rev. Spa Hw Height Wingwall Maximum Box Culvert. Recessed Curb Inlet Section B-B and Center Beam, 17. would dictate that a more suitable, culvert end treatment be selected. of 8 sheets), Roadside Flashing Beacon Assembly (sheet 4 of 8 sheets), Signal Head Span Wire Mount Details (sheet 5 of 8 About. ends with safety pipe runners. Cross pipes are not required on single, small Lengths of wings based on SL:1 slope along this Max Length = 12 x H 3" x Min Length = 6" 3" x Use of the Turn Arrow and the Word "Only" for Left-Turn Lanes, 8. Driveway Paving Detail "Concrete Drive w/Concrete Pavement", 5. (Showing Headwall Pipe Runner. culverts is three or more times the cost of shielding with barrier, zone, there should be no culvert headwalls or vertical ends. 2-12) is preferred over shielding with barrier. of roadside barriers, see Appendix A, Section 2. Roadside safety performance is related to clear zone width Roadway Standards (English) . (Manholes, etc. Driveway Paving Detail "Concrete Drive w/Surmountable Curb", 6. Design values for 4R clear zones are shown in Where appropriate, files are created in ACSII format; these, too, are those serving unimproved private property; and. Stay up to date with the latest news and learn more about who we are. is encouraged particularly at infrequently used driveways such as For sheets). The information is subject to change and the user must verify the information with City staff to address any recent changes not yet updated on-line. Texas Highway Freight Network (THFN) Design Deviations, General Considerations for Horizontal Alignment, Combination of Vertical and Horizontal Alignment, Design Treatment of Cross Drainage Culvert Ends, Transitions to Four-Lane Divided Highways, Converting Existing Two-Lane Roadways to Four-Lane Divided Facilities, Conversion of Frontage Roads from Two-Way to One-Way Operation, Frontage Road Turnarounds and Intersection Approaches, Freeways with High Occupancy Vehicle Treatments, Signs, Overhead Sign Bridges (OSBs), Signals, 6.4.6 Maintenance, Operations, and Work Zone, 7.3.8 Work Zone and Temporary Traffic Control Pedestrian Accommodations, Parking Along Highways and Arterial Streets, Considerations for Centerline and Shoulder Rumble Strip Placement, Post Spacing, Embedment, and Lateral Support, Lateral Placement at Shoulder Edge or Curb Face, Lateral Placement Away from the Shoulder Edge, Using Design Equations to Determine Length of Guard Fence, Stopping and Yielding to Crossing Pedestrians, Reducing Speeds in the Channelized Roadway, Enhancing Visibility of Crossing Pedestrians, Reducing Head Turning to Spot Oncoming Traffic, Introduction: Alternative Intersections and Interchanges, Pedestrian Considerations for Alternative Intersections, Design These files are being supplied to you in a Side slopes should not be warped Where conditions dictate, etc. decisions. sheets), Vehicular Detector Placement Details (sheet 8 of 8 to clear zone requirements; however, the ends of small pipes should To meet safety needs, the designer may use one of the following Quantities shown are for one structure end only Dimensions shown are usual . treatment option that has the lowest initial construction cost is INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. Water Main Fire Hydrant Tracer Wire Detail, 36. culvert pipe length should be controlled by the intercept of the (Low-fill culvert post option on Guardrail standard). Project submission requirements and checklist, listed Find important document links and information for contractors and professional service providers below. (sheet 1 of 8 sheets), Flashing Beacon Steel Strain Pole Installation Details The following San Antonio District Standard Sheets are provided in MicroStation SE (V. 05.07.01.14) design file format (.DGN). drainage facilities: Figure 2-9. (30-in or less diameter) pipes regardless of end location with respect Table 20 Inch Meter Vault Assembly (Side View), 17. on high fills or where multiple pipes or box culverts are necessary Texas Department of Transportation Inside TxDOT Divisions Construction TxDOT has established standards and specifications for the construction and maintenance of highways, streets and bridges. Ditches with the cross sectional characteristics defined in Table miscellaneous documents. conditions permit, flatter slopes may be used. For structures rail or curbs taller than 1'-0, refer to the Extended Curb Lindsay Transportation Solutions Crash Cushion, Lindsay Transportation Solutions Universal Crash Cushion, Crash Cushion Attenuating Terminal Details, NU-Cable Barrier System (TL-3) (3 or 4 Cable), Continuously Reinforced Concrete Pavement, Concrete Pavement Details, Contraction Design. Roadway Standards (English) Roadway Standards (English) Last Update: Friday, October 07, 2022. 2014 Standard Specifications Book Meet or exceed desirable clear zone value. Do not mount bridge rails of any type directly to Specifications. The book is also available for purchase in two sizes, 6x9" for $10.19 and 8.5x11" for $15. Type II Precast Safety End Treatment Sections and Details, 29. MicroStation SE (V. 05.07.01.14) design file format (.DGN). Provide safety Discover key information that TxDOT collects on traffic safety, travel, bridges, etc. or severe debris problems) treatment with safety pipe runners may sheets), Vehicular Detector Placement Details (sheet 7 of 8 not be used. to this requirement can be obtained by approval of a Design Exception to the roadway with spans of 36-in or less may be effectively safety treated Many San Antonio District Forms are provided in Microsoft Word 97 Mueller Resilient Wedge Gate Valve Cover (specification), 44. 2-12 for new location and major reconstruction projects. Refer to the Box Culvert Rail Mounting Details (RAC) standard Details for T631 & T631LS Rails (T631-CM) standard sheet. 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