• Pay Bill
  • Customer Support
  • Contact
  • Emergencies

Engineering Standards

As of Feb. 15, 2010, all submittals must comply to these Engineering Standards. Failure to comply will put your project at risk of being delayed and/or rejected.

Complete Engineering Standards

Questions?

Contact Don Wyman
303-628-6628
303-435-4669 (cell)
E-mail


  • Chapter 1: General Information
    Chapter 1: General
    Table of Contents
    Section Title Page
    1.01 Authority 1
    1.02 Effective Date of Standards 1
    1.03 Revisions, Amendments or Additions 1
    1.04 Denver Water Control 1
    1.05 Organization and Interpretation of Standards 1
    1.06 Definitions 2
    1.07 Abbreviations 7
  • Chapter 2: Main Extensions
    Chapter 2: Main Extensions
    Table of Contents
    Section Title Page
    2.01 Inside Denver 1
    2.02 Outside Denver 1
    2.03 Extensions Defined 1
    2.04 Engineering Standards to Apply 1
    2.05 Application Procedure 1
    2.06 Construction Procedure 2
    2.07 Plans and Specifications 3
    2.08 Engineering 8
    2.09 Surveying 8
    2.10 Placing Survey Lines 8
    2.11 Inspection 9
    2.12 Contractors 9
    2.13 Points of Delivery 10
    2.14 Special Conditions 10
    2.15 Exceptions Under Chapter 2 11
    2.16 Specimen Sheets Illustrated Procedures 11
    2.17 Electronic Plan Submittals 11
  • Chapter 3: Service Lines, Firelines and Appurtenances
    Chapter 3: Service Lines, Firelines and Appurtenances
    Table of Contents
    Section Title Page
    3.01 General 1
    3.02 Ownership and Maintenance 1
    3.03 Layout 3
    3.04 Separate Trenches 5
    3.05 Combination Service Lines 5
    3.06 Pumps 6
    3.07 Tanks 6
    3.08 Connections for Water 6
    3.09 Taps and Saddles 7
    3.10 Size 7
    3.11 Pipe Material 8
  • Chapter 4: Easements and Licenses
    Chapter 4: Easements and Licenses
    Table of Contents
    Section Title Page
    4.01 General 1
    4.02 Granting an Easement to Denver Water 1
    4.03 Granting an Easement to a Distributor 3
    4.04 Obtaining a License to Use or Cross Denver Water Property 4
    4.05 Acquiring an Easement from Denver Water 5
    4.06 Specimen Sheets Illustrating Procedures 6
  • Chapter 5: System Design and Layout
    Chapter 5: System Design and Layout
    Table of Contents
    Section Title Page
    5.01 General 1
    5.02 Quality of the Distribution System 1
    5.03 Sizing of Distribution Mains 1
    5.04 Fire Protection Systems 2
    5.05 Operating Pressures within the Distribution System 3
    5.06 Pressure Regulating Stations 3
    5.07 Storage Facilities 3
    5.08 Electric Pump Motors 3
    5.09 Pumping Facilities 4
    5.10 Layout of the Distribution System 6
    5.11 Line Valves 8
    5.12 Connections to Conduits 8
    5.13 Supervisory Control and Data Acquisition (SCADA) 8
    5.14 Interconnects with Other Water Systems 12
    5.15 Flow Measurement 13
  • Chapter 6: Materials
    Chapter 6: Materials
    Table of Contents
    Section Title Page
    6.01 Materials and Testing 1
    6.02 Size of Mains 1
    6.03 Pipe Classes 1
    6.04 Selection of Pipe 2
    6.05 Pipe Fittings 2
    6.06 Line Valves 4
    6.07 Pressure Regulating Valves 4
    6.08 Tapping Valves and Sleeves 4
    6.09 Check Valves 5
    6.10 Stop and Waste Valves 5
    6.11 Control of Backflow and Cross Connection 5
    6.12 Valve Boxes 8
    6.13 Valve Reference Marker Posts 8
    6.14 Meters 9
    6.15 Size of Meter 9
    6.16 Type of Meter 9
    6.17 Magnetic Drive Displacement Meters 9
    6.18 Compound and Turbine Meters 10
    6.19 Outside Meter Settings 10
    6.20 Inside Meter Settings and Remote Readers 11
    6.21 Meter Bypass Lines 12
    6.22 Meter Check Valves 12
    6.23 Valves for Use with Meters 12
    6.24 Meter Couplings 13
    6.25 Meter Yokes (Line Setters) 13
    6.26 Valve and Meter Supports 13
    6.27 Meter Pits and Covers for 3/4-Inch and One-Inch Meters 13
    6.28 Vaults 14
    6.29 Concrete Structures 15
    6.30 Steel Reinforcement for Concrete 15
    6.31 Manholes 15
    6.32 Manhole Base Slabs and Base Beams 16
    6.33 Sump Pits for Vaults and Manholes 16
    6.34 Vent Pipes 16
    6.35 Manufacturer and Model of Fire Hydrants 16
    6.36 Fireline Connections to Mains 17
    6.37 Service Lines 17
    6.38 Corporation Stops 17
    6.39 Curb Stops 17
    6.40 Curb Stop Service Boxes 17
    6.41 Corrosion Protection Systems 17
    6.42 Kickblocks 18
    6.43 Protective Concrete Pads Over Pipe 18
    6.44 Casing Pipe 18
    6.45 Miscellaneous Metalwork and Piping 19
    6.46 Air and Vacuum Valves 19
  • Chapter 7: Earthwork
    Chapter 7: Earthwork
    Table of Contents
    Section Title Page
    7.01 Earthwork Defined 1
    7.02 Exploratory Excavation 1
    7.03 Excavation to Line and Grade 1
    7.04 Trenching Operations 1
    7.05 Excavation for Structures 1
    7.06 Surplus Excavation Material 2
    7.07 Blasting 2
    7.08 Dewatering 2
    7.09 Foundations on Unstable Soil 3
    7.1 Pipe Bedding and Pipe Zone Material 3
    7.11 Backfill and Compaction 4
    7.12 Controlled Low Strength Material (CLSM) 4
    7.13 Cleanup 5
    7.14 Surface Restoration 5
    7.15 Subgrade and Road Preparation 5
  • Chapter 8: Pipe Installation
    Chapter 8: Pipe Installation
    Table of Contents
    Section Title Page
    8.01 Approval by the Denver Water 1
    8.02 Handling of Materials 1
    8.03 Preparation and Inspection of Pipe and Fittings for Installation 1
    8.04 Pipe Joint Lubricant 1
    8.05 Cutting and Fitting of Pipe 1
    8.06 Pipe Alignment and Grade 2
    8.07 Deviation from Alignment and Grade Occasioned by Other Structures 2
    8.08 Temporary Bulkheads 2
    8.09 Frost 2
    8.10 Ductile Iron Pipe 2
    8.11 Polyvinyl Chloride Pressure Pipe 3
    8.12 Installation of Valves 4
    8.13 Installation of Valve Boxes 4
    8.14 Installation of Fittings 4
    8.15 Installation of Tapping Saddles 4
    8.16 Fire Hydrants 5
    8.17 Fireline Connections 5
    8.18 Kickblocks 5
    8.19 Concrete Structures 6
    8.20 Reinforcing Steel for Concrete Structures 8
    8.21 Joint Restraint Devices 9
    8.22 Connections to Denver Water's System 9
    8.23 Corrosion Protection Systems 11
    8.24 Chlorination 11
    8.25 Hydrostatic Testing 12
    8.26 Acceptance and Release for Taps 13
    8.27 Blowoff Assembly 14
    8.28 Sewer Crossing 14
    8.29 Horizontal Directional Drilling 15
  • Chapter 9: 16-inch and 20-inch Transmission Mains
    Chapter 9: 16-inch and 20-inch Transmission Mains
    Table of Contents
    Section Title Page
    9.01 General 1
    9.02 Other Standards to Apply 1
    9.03 Design of Transmission Mains 1
    9.04 Plans and Specifications 2
    9.05 Material 2
    9.06 Installation 2
    9.07 Sewer Crossings 3
    9.08 Easement Width Requirements 3
  • Chapter 10: 24-inch and Larger Conduits
    Chapter 10: 24-inch and Larger Conduits
    Table of Contents
    Section Title Page
    10.01 General 1
    10.02 Other Standards to Apply 1
    10.03 Preliminary Investigation 1
    10.04 Design 2
    10.05 Plans and Specifications 3
    10.06 Materials 4
    10.07 Installation 4
    10.08 Sewer Crossings 4
    10.09 As-Constructed Drawings 5
    10.10 Easement Width Requirements 5
  • Chapter 11: Recycled Water System
    Chapter 11: Recycled Water System
    Table of Contents
    Section Title Page
    11.01 General 1
    11.02 Other Standards to Apply 1
    11.03 Water Quality 1
    11.04 Potable Water Backup 1
    11.05 Conversion from a Potable to a Recycled Line 1
    11.06 Protection of the Potable Water System 1
    11.07 Discharges from the System 2
    11.08 User Permits 2
    11.09 Separation from Sewer Lines 2
    11.10 Separation from Potable Water Lines 2
    11.11 Recycled Water Conduits 2
    11.12 Recycled Water Transmission Mains 3
    11.13 Recycled Water Distribution Mains 4
    11.14 Recycled Water Service Lines and Appurtenances 5
    11.15 Recycled Customers Guidelines 6
    11.16 Metering 7
  • Chapter 12: Integrated Water System
    Chapter 12: Integrated Water System
    Table of Contents
    Section Title Page
    12.01 General 1
    12.02 Maintenance Programs 1
    12.03 Distribution System Sampling 2
    12.04 On-Line Water Quality Monitoring 2
    12.05 Water Quality Complaints and Communication 2
    12.06 Facility Operation and Status 3
    12.07 Reporting Compliance 3
    12.08 Distribution System Discharges 3