• ♦Manual Notice 2018-1
• ►1. Introduction
  • ►1. Overview
    • ♦Purpose of Manual
    • ♦Users of Manual
    • ♦Training
    • ♦Experience
    • ♦References
  • ►2. Responsibilities
    • ♦Introduction
    • ♦Traffic Operations Division
    • ♦Bridge Division
    • ♦Districts
• ►2. Lighting Systems, Eligibility, and Warrants
  • ►1. Overview
    • ♦Introduction
    • ♦Types of Lighting Systems
    • ♦Eligibility and Warrants
  • ►2. Continuous Lighting
    • ♦Description
    • ♦Eligibility
    • ♦Warrants
    • ♦Specially Funded Projects
  • ►3. Safety Lighting
    • ♦Description
    • ♦Eligibility
    • ♦Warrants
    • ♦Continuous Lighting Classified as Safety Lighting
  • ►4. Bikeway and Pedestrian Way Lighting
    • ♦Eligibility
    • ♦Adjacent Roadway Lighting
  • ►5. Systems Financed, Installed, and Operated by Other Agencies
    • ♦TxDOT Policy
    • ♦Guidelines
• ►3. Master Lighting Plans
  • ►1. Overview
    • ♦Introduction
    • ♦Definition
    • ♦Benefits
    • ♦Plan Development
• ►4. Lighting Agreements
  • ►1. Overview
    • ♦Introduction
    • ♦Authority
    • ♦When an Agreement is Required
    • ♦When an Agreement is Not Required
    • ♦Ordinance or Resolution
    • ♦Lighting Agreements
    • ♦Initiation of Agreement
    • ♦Traffic Engineering Agreement (TEA) Templates
    • ♦Modifying Standard Templates
    • ♦More Information
  • ►2. Lighting Agreements
    • ♦Background
    • ♦Written Agreement Not Required
    • ♦Default
    • ♦Lighting Systems Financed, Installed, and Operated by Other Agencies
    • ♦Quotation on Plan Title Sheet
    • ♦Safety Lighting Agreements
    • ♦Safety Lighting Incidental to Other Agreements
    • ♦Safety Lighting Incorporated Into a Continuous Lighting System
    • ♦Agreement No. 19: Safety Lighting (Blanket) (SM, CP)
    • ♦Agreement No. 20: Safety Lighting (Blanket) (City M&P)
    • ♦Agreements for Continuous Lighting Systems
    • ♦Agreement No. 21: Continuous Lighting SC (100)-CMO (100)(B)
    • ♦Agreement No. 22: Continuous Lighting SC (100)-CMO (100) (SL)
    • ♦Agreement No. 23: Continuous Lighting SC (50)-CMO (50) (SL)
    • ♦More Information
  • ►3. Lighting Agreement Processing and Execution
    • ♦Background
    • ♦Standard Templates
    • ♦Excess Cost
    • ♦Private Agreements
    • ♦Preparing an Agreement
    • ♦Contract Services Review
    • ♦Executing an Agreement
    • ♦Digital Signature
    • ♦Agreement Requirements for Cities
    • ♦Agreement Requirements for Counties
    • ♦Document Retention
    • ♦More Information
• ►5. Lighting Equipment
  • ►1. Overview
    • ♦Overview
    • ♦TxDOT Standard Specifications Book
    • ♦Departmental Material Specifications
    • ♦Material Producer List
    • ♦Standard Sheets
    • ♦Special Specifications and Special Provisions
  • ►2. Roadway Illumination Assemblies
    • ♦Item 610 - Roadway Illumination Assemblies
    • ♦Configurations
    • ♦DMS 11010
    • ♦RID Standards
    • ♦LED Luminaires
    • ♦HPS Luminaires
    • ♦Prequalification
    • ♦Light Loss Factor (LLF)
    • ♦Light Distribution Patterns
    • ♦Luminaire Poles
    • ♦RIP Standards
    • ♦Shoe Base Poles
    • ♦Transformer Base Poles
    • ♦Light Pole Foundations
    • ♦Poles on Traffic Barriers
    • ♦Poles on Bridges
    • ♦Poles on Retaining Walls
    • ♦Breakaway Connectors
    • ♦Underpass Lighting
    • ♦Item 616 - Performance Testing of Lighting Systems
  • ►3. High Mast Lighting Assemblies
    • ♦Introduction
    • ♦Configurations
    • ♦Item 613 - High Mast Illumination Poles
    • ♦HMIP Standards
    • ♦Item 614 - High Mast Illumination Assemblies
    • ♦DMS-11020 High Mast Light Fixtures
    • ♦SS 6156 LED High Mast Light Fixtures
    • ♦DMS-11021 High Mast Illumination Assembly Kits
    • ♦HMID Standards
    • ♦High Mast Illumination Pole Foundations
    • ♦HMIF Standards
  • ►4. Conduit, Conductors and Ground Boxes
    • ♦Item 618 - Conduit
    • ♦DMS-11030
    • ♦Item 620 - Electrical Conductors
    • ♦DMS-11040
    • ♦Item 621 - Tray Cable
    • ♦DMS 11050
    • ♦Item 622 - Duct Cable
    • ♦DMS 11060
    • ♦Item 624 - Ground Boxes
    • ♦DMS 11070
  • ►5. Electrical Services
    • ♦Item 628-Electrical Services
    • ♦Configurations
    • ♦Standard Sheets
    • ♦DMS 11080
    • ♦Type A Electrical Services
    • ♦Type C Electrical Services
    • ♦Type D Electrical Services
    • ♦Type T Electrical Services
    • ♦Pedestal Services
• ►6. Lighting Design and Layout
  • ►1. Overview
    • ♦Project Design Procedures
    • ♦Project Lead Time
    • ♦Joint Usage
    • ♦Luminaires on Traffic Signal Poles
    • ♦Railroad Crossings
    • ♦Underpasses
    • ♦Tunnels
    • ♦Sidewalks and Bikeways
    • ♦Aesthetic Lighting
    • ♦Other Types of Lighting
  • ►2. Illumination Levels
    • ♦Introduction
    • ♦Illuminance and Luminance
    • ♦Continuous Lighting
    • ♦Illuminance and Luminance Design Values for Continuous Lighting
    • ♦Definitions for Illuminance and Luminance Design Values Table
    • ♦Illumination for Intersections
    • ♦Safety Lighting
    • ♦Lighting of Isolated Intersections and Interchanges
    • ♦Pedestrian Areas
  • ►3. Plan Standards
    • ♦Introduction
    • ♦Scale of Plans
    • ♦Boring Logs
    • ♦Standard Plan Symbols
  • ►4. Conventional vs. High Mast Lighting
    • ♦Introduction
    • ♦Installation Costs
    • ♦Maintenance Costs
    • ♦Some Deciding Considerations
    • ♦High Mast Systems Recommended
    • ♦FAA Obstruction Evaluation
    • ♦High Mast Systems and Light Trespass
    • ♦High Mast Design and Layout
  • ►5. Glare and Sky Glow Issues
    • ♦Introduction
    • ♦Cutoff and BUG Rating
    • ♦Choice of Luminaires
    • ♦Luminaire Modification
  • ►6. Spacing of Light Poles
    • ♦Standard Spacing for Freeways and Complete Interchange Lighting
    • ♦Standard Spacing for Roadways Other than Freeways
    • ♦Merge and Diverge Lanes
    • ♦Lighting Near Overpasses
    • ♦Determining Mounting Height
  • ►7. Pole Placement Guidelines
    • ♦Introduction
    • ♦Clear Zone
    • ♦House Side vs. Median Mounting
    • ♦Two Types of Poles
    • ♦Breakaway Poles Preferred
    • ♦When Not To Use Breakaway Poles
    • ♦Protection of Non-Breakaway Poles
    • ♦Placement of Non-Breakaway Poles
    • ♦Falling Area for Breakaway Poles
    • ♦Use and Placement of Breakaway Poles
    • ♦House Side Lighting
    • ♦Median Lighting
    • ♦Median Lighting Design Examples
    • ♦Avoid Channelizing Islands
    • ♦Breakaway Pole Placement Examples
    • ♦Minimum Values
    • ♦Poles in Sidewalks
    • ♦Foundation Height
    • ♦Striking Height
    • ♦Breakaway Pole Frangibility
• ►7. Electrical Systems
  • ►1. Overview
    • ♦Introduction
    • ♦National Electrical Code
    • ♦National Electrical Safety Code
    • ♦NEC, NESC, and Roadway Lighting on TxDOT ROW
    • ♦Electrical Details
  • ►2. Electrical Service
    • ♦Introduction
    • ♦Electrical Service Data
    • ♦Electrical Service ID
    • ♦Electrical Service Description
    • ♦Service Conduit Size
    • ♦Service Conductors
    • ♦Safety Switch
    • ♦Main Circuit Breaker
    • ♦Two-Pole Contactor
    • ♦Panelboard/Load Center
    • ♦Branch Circuit ID
    • ♦Branch Circuit Breakers
    • ♦Branch Circuit Amps
    • ♦KVA Load
    • ♦Separate Electrical Service for Signs
    • ♦Electrical Service Calculator
    • ♦Where Service Does Not Exist
    • ♦Coordination with Electric Utilities
  • ►3. Circuit Design
    • ♦Introduction
    • ♦Voltage Drop
    • ♦Circuit Length Limits
    • ♦Conductors and Conduit Size
    • ♦Conduit Run Length
    • ♦Overcurrent Protection
    • ♦Grounding Conductor Size
    • ♦Copper Theft
  • ►4. Calculating Voltage Drop
    • ♦Introduction
    • ♦Maximum Allowable Voltage Drop
    • ♦Formula
    • ♦Current in the Run
    • ♦Conductor Resistance
    • ♦Length of Run
    • ♦Calculation Example
    • ♦Total Voltage Drop
    • ♦Split Branch Circuit
• ►8. Temporary Lighting
  • ►1. Design and Layout
    • ♦Purpose
    • ♦Difference Between Temporary and Work Zone Lighting
    • ♦Special Considerations
    • ♦Types of Temporary Lighting
    • ♦Illumination Levels
    • ♦Electrical System Integrity
    • ♦Placement of Light Poles
    • ♦Installation
    • ♦Plans and Specifications
  • ►2. Financing
    • ♦General
    • ♦Method of Payment
    • ♦Reusable Equipment
• ►9. Construction and Maintenance Guidelines
  • ►1. Overview
    • ♦Introduction
    • ♦Consistency
    • ♦Assistance
  • ►2. Breakaway Light Poles
    • ♦Frangibility Requirement
    • ♦Structural Requirement
    • ♦Replacement Guidelines
    • ♦New Installation Guidelines
    • ♦Relocated Poles
    • ♦Poles Placed by Maintenance Forces
    • ♦Guidelines Apply to Cities
    • ♦Identifying Transformer Bases
    • ♦Striking Height
    • ♦Anchor Bolts
  • ►3. Group Relamping
    • ♦Background
    • ♦Advantages
    • ♦Strategy
    • ♦Cleaning Luminaires
  • ►4. High Mast Lighting Inspection and Servicing
    • ♦Introduction
    • ♦Documentation (Inspection Form)
    • ♦Items to Inspect
    • ♦Replacing Fixtures
    • ♦Responsibility of Cities
    • ♦Assistance
  • ►5. Other Maintenance Considerations
    • ♦Duct Cable
    • ♦Grout
    • ♦Rehabilitation of Old Circuits
    • ♦Maintenance Level of Service
    • ♦Maintenance Responsibilities of Cities
    • ♦Problems
• ▼10. Resources
  • ►1. Forms
    • ♦High Mast Lighting Pole Assembly Inspection Record
  • ►2. Texas Administrative Code
    • ♦Purpose
  • ▼3. Texas Health and Safety Code
    • ♦Purpose
  • ►4. Electrical Code Policies
    • ♦Memorandums
  • ►5. Clear Zones
    • ♦Clear Zone Specifications
  • ►6. Glossary of Terms and Formulas
    • ♦Introduction
    • ♦AASHTO
    • ♦Alternating Current (AC)
    • ♦Ampere (A)
    • ♦Ballast
    • ♦Blanket Agreement
    • ♦Breakaway Support
    • ♦Candela or Candlepower (cd)
    • ♦Capacitance (C)
    • ♦Clear Zone
    • ♦Complete Interchange Lighting
    • ♦Conductor
    • ♦Continuous Lighting
    • ♦Conventional Lighting
    • ♦Cutoff
    • ♦Direct Current (DC)
    • ♦Electrical Details (ED)
    • ♦Electrical Service
    • ♦FHWA
    • ♦Floodlight
    • ♦Footcandle (FC)
    • ♦Frangible
    • ♦High Mast Illumination Details (HMID)
    • ♦High Mast Illumination Pole Foundations (HMIF)
    • ♦High Mast Illumination Poles (HMIP)
    • ♦Illuminating Engineering Society of North America (IESNA, also IES)
    • ♦High Mast Lighting
    • ♦Inductance (L)
    • ♦Kilowatt (KW)
    • ♦Kilovolt-amp (KVA)
    • ♦Lamp
    • ♦Light Source
    • ♦Lumen (lm)
    • ♦Luminaire
    • ♦Lux (lx)
    • ♦Mast Arm
    • ♦Mounting Height
    • ♦National Electric Safety Code (NESC)
    • ♦National Electrical Manufacturer's Association (NEMA)
    • ♦National Fire Protection Association (NFPA)
    • ♦NFPA 70: National Electric Code (NEC)
    • ♦NFPA 70E: Standard for Electrical Safety in the Workplace
    • ♦Ohm (O)
    • ♦Partial Interchange Lighting
    • ♦Pole
    • ♦Power (P)
    • ♦Power Factor (pf)
    • ♦PVC
    • ♦Reflector
    • ♦Refractor
    • ♦Regulated Output Ballast
    • ♦RMC
    • ♦Roadway Illumination Assembly
    • ♦Roadway Illumination Details (RID)
    • ♦Roadway Illumination Poles (RIP)
    • ♦Safety Lighting
    • ♦Starter or Starting Aid (also called igniter)
    • ♦Transformer
    • ♦Transformer Base
    • ♦Uniformity
    • ♦Volt (V or E)
    • ♦Voltage Drop
    • ♦Warrant

Anchor: #i1005165

Section 3: Texas Health and Safety Code

Anchor: #i1005205

Purpose

The Texas Health and Safety Code Chapter 425 is a State law designed to help minimize light pollution and sky glow. With certain exceptions, it requires outdoor lighting installed or maintained with state funds to be a cutoff luminaire.