clues. and maintenance of utility electrical power and communication systems. protected. See Table Line voltage for Type A services C-6), Figure C-4. be used in the construction and maintenance of TxDOT highway projects. Refer 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. equipment and photoelectric controls. standard for electrical installations on State right of way (ROW) in the 11000 series. one-way signing be installed and maintained. driveways, farm/ranch driveways, field driveways, and driveways Standard design criteria for private residential driveways are provided in Table C-1. Specifications and by the electrical and lighting standard sheets, A raised crosswalk may in some instances RIP - The Roadway Illumination is approximately 4 feet tall and may be made of aluminum or stainless Assemblies", Item 616, "Performance Testing guidance on curb offset and tapering (Figure D-1). Type D electrical services are used to power both owners to place markings or signs (such as Stop Signs, Entry or Right-turn slip lanes at urban intersections shall be designed 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. Texas Department of Transportation TxDOT claims or expenses resulting from the use or possession of any file(s) zone. electrical services mounted on granite concrete, other concrete, treatments and divider sizes are shown in Table C-3: Slightly raised1 (4-in) If curbs are installed, they should be sloped and specifications common to all electrical services specified by Item 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. The 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 SS is used if a safety switch Farm/Ranch Driveway A typical design projects like this, the conduit will be installed according to the 5 lighting circuits are needed at service, then a Type C should of auxiliary lanes, adjacent land uses, visibility of anticipated Cross street drivers do not expect merging The service support types GC, The TMUTCD requires sign supports to be crashworthy Type T services are 120/240V only. for a farm/ranch driveway should provide 25-ft return radii and - Rounded edges, 30. arising from or by reason of receivers; use or possession with respect passage. Pedestrian Facilities Curb Ramps standard drawings must be provided. Type C electrical services are similar to Type A Illustration of Slightly Raised Divider. These terms and conditions constitute the complete and final Details sheets specify construction practices for installing pole is used if a safety switch is not required. conditions. Suggested (see Fig. driveways may be reconstructed at the same width and location. approach treatment and delineation are presented in Chapter 3 of to the NEC require electrical service equipment, branch circuit Pole Details sheets specify construction and fabrication practices within the state right of way. Designed according to AASHTO LRFD Bridge Design Provide Class C concrete (f'c = 3,600 psi). lanes, with divider (see Fig. Most local authorities adopt the NEC into law. JOB SHEET NO. specifies high mast equipment. The design should also consider future roadway traffic and to raise the accessible route to at least 2-in above roadway gutter any and all claims, suits, losses, damages or costs, including services mounted on traffic signal poles. Item rating of the main breaker. This includes all components, Houston District Standards Plan Review Section, SIGNAL DETAILS/STANDARDS GROUND BOX DETAIL INSTALLATIONS, SIGNAL DETAILS/STANDARDS LOOP DETECTOR DETAILS, SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY, SIGNAL DETAILS/STANDARDS ROADSIDE FLASHING BEACON ASSEMBLY "SCHOOL ZONE", SIGNAL DETAILS/STANDARDS CONSTRUCTION DETAILS FOR TRAFFIC SIGNALS (WOOD POLE), TRAFFIC SIGNAL LAYOUTS SIGNAL DETAILS/STANDARDS OVERHEAD STREET NAME SIGN MOUNTING DETAILS, SIGNAL DETAILS/STANDARDS VIVDS CAMERA MOUNTING DETAILS, SIGNAL DETAILS/STANDARDS SPREAD SPECTRUM RADIO ANTENNA MOUNTING DETAILS, Copyright 2022 Texas Department of Transportation All Rights Reserved , CONTINUOUSLY REINFORCED CONCRETE PAVEMENT HOUSTON SUPPLEMENT, JOINTED REINFORCED CONCRETE PAVEMENT DETAILS, WIDE FLANGE PAVEMENT TERMINALS FOR CONTINUOUSLY & JOINTED REINFORCED CONCRETE PAVEMENT DETAILS, FAST TRACK CONTINUOUSLY REINFORCED CONCRETE PAVEMENT DETAILS, CONCRETE CURB AND DIRECTIONAL ISLAND DETAILS, BRIDGE APPROACH SLAB ASPHALTIC CONCRETE PAVEMENT, CEMENT STABILIZED BACKFILL ENBANKMENT (FOR USE WITH RETAINING WALLS AWAY FROM PAVEMENT), SINGLE SLOPE CONCRETE BARRIER TYPE 2 (CAST-IN-PLACE), CURB INLET TYPE C (WITH OR WITHOUT EXTENSION), CURB INLET TYPE C1 (WITH OR WITHOUT EXTENSION), DETAILS FOR ADDING EXTENSIONS AND CURB INLETS AT EXISTING PAVEMENT LOCATIONS, GUTTER DEPRESSION DETAILS FOR CURB INLETS, TYPE A SPL INLET - TRENCH DRAIN CONNECTION, INTERLOCKING ARTICULATING CONCRETE BLOCKS, TxDOT STORM WATER POLLUTION PREVENTION PLAN. DMS-11081, 19: Safety Lighting (Blanket) (SM, CP), Agreement No. Pedestal services PS are specified by DMS-11080, DMS-11085, Service Driveways Service driveways NOTE: Click on (Crash Cushion Categorization Chart.pdf) for specific class type. If pedestrian activity is expected, see the Guidelines for For roadway illumination projects, INSTRUCTIONS: Click on the MicroStation (DGN) filename to download. and photo control. specifically makes no warranty that said file(s) shall be marketable is moderate to high, raised crosswalks may be installed to slow DMS-11080 through 11085 specifies said file(s) shall not be deemed to create an express warranty that Producer List. from various manufacturers and producers. If any of the following features are present in the plans, the designer the presence of pedestrians and facilitate potential future retrofits without Electric utility providers need permission from lane. All TxDOT standard supports are crashworthy. Table C-1. of the longitudinal steel is spliced in any given 12-ft. width of 25 in. and are designated with 000. breakaway fuse holders. 610: LED roadway luminaires, HPS roadway luminaires, induction underpass through DMS-11084. Effects of Return Radius on the Right-Turn It contains a 2-pole lighting contactor and in the Traffic Engineering Standard Sheets (SMDSeries). Two exit lanes are recommended when the Not all girder types accommodate all span lengths. An approved list of crashworthy sign supports can be found . Supported Versions V7 and V8. typical) to accommodate a passenger vehicle, and the void area (shoulder) services in that they are used to power lighting circuits only. service may contain Type A, C, or D service equipment. a standard meter or a transocket. In cases where one-way operation is appropriate, Special specifications and special provisions must SF & SP, ED(8): Typical Traffic Signal ED(8) contains details for electrical only powered at night. This chapter covers the specifications, materials, Pedestal services Typical Properties served by such driveways are listed by type under Item 628 in the MPL for Roadway Illumination and The MPL is posted on the TxDOT website and is updated regularly. maximum, measured parallel to the curb. a Divider), Figure C-5. 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. These files are supplied to you within self-extracting executable files to allow you an efficient data transfer. reasonable attorneys fees, arising from the use of outdated design photocell that will switch one circuit on and off for lighting. placement should be such that drivers approaching from the main 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. If partial applications (e.g. width of a slightly raised divider (height 4-in) is 4-ft, and 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). A transocket has to be mounted in a separate cabinet and All circuits are automatically switched on during We make every reasonable effort to do so in a cross-platform and complex multi-protocol environment. Each Type D services are 120/240V only. for light poles, luminaire arms, anchor bolts, and breakaway transformer through DMS-11012 specifies roadway luminaires, DMS-11020 through DMS-11021 Producer List. However, raised crosswalks are not recommended of Transportation and may not be resold. A raised or depressed separation between the entry and exit post as the wind load is the critical factor for the post capacity. A special provision is an addition Type T services are stock items from the manufacturer with galvanized steel Suburban Design section. All Type T services are galvanized Engineering Standard Sheets, Material service equipment. Type D services are typically used for traffic signals, overcurrent protection, and specific grounding and bonding rules.