Engineering Standards

15th Edition Errata 3, effective May 29, 2020

Download Complete Engineering Standards

Memorandums

Errata 3 Notice of Corrections (May 29, 2020)

Errata 2 Notice of Corrections (January 31, 2020)

Engineering Standards — Materials Approval Process (Jan. 10, 2020)

Errata 1 Notice of Corrections (March 11, 2019)

Significant Changes of Note in 15th Edition Release (July 11, 2018)

Engineering Standards, 15th Edition Release (June 25, 2018)

Approved Certifying Bodies for NSF/ANSI 61 (Jan. 18, 2018)

Combination Air-Release and Vacuum Acceptable Manufacturer Policy — Denver and Total Service Contract Areas (July 2, 2013)

Fire Hydrant Acceptable Manufacturer Policy — Denver and Total Service Contract Areas (March 27, 2013)

Material Specifications — Table of Contents

Note: These Material Specifications are provided for standardization purposes only. They represent minimum design standards that may require upgrading for specific applications.

Number Title
MS-1 Ductile Iron Pipe
MS-2 Polyvinyl Chloride Pressure Pipe
MS-3 Ductile Iron Waterworks Fittings
MS-4 Double-Disc Gate Valves
MS-5 Resilient Seated Gate Valves
MS-6 Rubber Seated Butterfly Valves
MS-7 Swing Check Valves
MS-8 Tapping Valves — Mechanical Joint Type
MS-9 Fabricated Carbon Steel and Stainless Steel Tapping Sleeves
MS-10 Pressure Regulating Valves
MS-11 Combination Air-Release and Vacuum Valves
MS-12 Cast Iron Valve Boxes
MS-13 Dry-Barrel Fire Hydrants
MS-14 Polyethylene Encasement Material
MS-15 Meter Registers and Register Boxes
MS-16 Magnetic Drive Displacement Type Water Meters
MS-17 Magnetic Drive Compound Type Water Meters
MS-18 Magnetic Drive Turbine Type Water Meters
MS-19 Magnetic Drive Turbine Type Fire Service Water Meters
MS-20 Normal Weight and Precast Concrete
MS-21 Controlled Low Strength Backfill Material
MS-22 Concrete Reinforcement
MS-23 Brass and Bronze Goods
MS-24 Water Service Line Pipe
MS-25 Meter Pits, Domes, and Lids
MS-26 Wax Tape Material
MS-27 Flanged In-Line Basket Strainers
MS-28 Concrete Vaults
MS-29 Mechanical Joint Restraint
MS-30 Bolted Sleeve-Type Couplings
MS-31 Supervisory Control and Data Acquisition
MS-32 Fire Hydrant Meters
MS-33 Manhole Rings, Covers, and Risers
MS-34 Tunneling Materials
MS-35 Concrete Manholes
MS-36 Flanged Joint Accessories
MS-37 Dismantling Joints
MS-38 Resilient Seated Insertion Valves

Update: 15th Edition Errata 2, effective January 31, 2020

Standard Drawings — Table of Contents

Note: These drawings are provided for standardization purposes only. They represent minimum design standards that may require upgrading for specific applications.

Sheet Title
Sheets i and ii Standard Drawing Abbreviations
Sheet 1 Water Distribution System Typical Layout
Sheet 2 Water Distribution System Typical Layout for Curved Streets
Sheet 3 Water Distribution System Typical Layout for Cul-De-Sac
Sheet 4 Typical Public Right-of-Way Section
Sheet 5 Typical Private Street Section
Sheet 6 Typical Quarter Section Hydraulic Grid System
Sheet 7 Piping at Street Intersections for Future Connections
Sheet 8 Typical Trench Section
Sheet 9 Typical Trench Section for Pipeline in Dipping Bedrock
Sheet 10 Plan, Profile, & Location for Fire Hydrants, Mains, & Valves
Sheet 11 Tracer Wire Installation for PVC Water Main
Sheet 12 Non-Programmable Marker Ball Installation
Sheet 13 Ditch or Canal Crossing
Sheet 14 Storm & Sanitary Sewer Crossing
Sheet 15 Open Cut Crossing Over or Under Conduit or Conflicting Utility
Sheet 16 Bored Crossing
Sheet 17 Bore Casing Detail
Sheet 18 Concrete Kickblocks Bearing Surfaces & Installation
Sheet 19 Concrete Kickblock Requirements for Water Main & Tap Size Combos
Sheet 20 Stud Nut Tightening Sequence
Sheet 21 Length of Restrained Pipe
Sheet 22 Non-Insulated Flange Lug
Sheet 23 Insulated Flange Lug
Sheet 24 Typical Concrete Manhole Installation
Sheet 25 Butterfly Valve Assembly (16″ & 20″ Ductile Iron Mains)
Sheet 26 Chlorination Tap (Ductile Iron Mains)
Sheet 27 Single Air Valve Assembly (16″ & 20″ Ductile Iron Mains)
Sheet 28 Double Air Valve Assembly (16″ & 20″ Ductile Iron Mains)
Sheet 29 Pitot Installation
Sheet 30 Pressure Regulating Valve Vault Installation Typical Plan
Sheet 31 Pressure Regulating Valve Vault Installation Typical Section
Sheet 32 Pressure Regulating Valve Manhole Installation Typical Plan
Sheet 33 Pressure Regulating Valve Manhole Installation Typical Section
Sheet 34 Check Valve Manhole Installation Typical Plan
Sheet 35 Check Valve Manhole Installation Typical Section
Sheet 36 Transmission Main Blowoff Installation
Sheet 37 Standard Design for 2″ Blowoff in Manhole
Sheet 38 Temporary Blowoff Installation for 12″ & Smaller Mains
Sheet 39 2″ Blowoff Hydrant
Sheet 40 Valve Operation
Sheet 41 Potable Water System Square Operating Nut
Sheet 42 Recycled Water System Pentagon Operating Nut
Sheet 43 Valve Box Support Plate
Sheet 44 Valve Operator Extension
Sheet 45 Valve Operator Guide
Sheet 46 General Meter & Service Notes
Sheet 47 3″ & Larger Domestic & Fireline Connections
Sheet 48 Fireline Connection with Domestic Service Tap
Sheet 49 National Fire Protection Association 13D Residential Sprinkler Services
Sheet 50 ¾″ & 1″ Service Line, Stop Box, & Outside Meter Installation
Sheet 51 2″ & Smaller Non-Copper Service Line Replacement
Sheet 52 2″ & Smaller Non-Copper Service Line Replacement & Inside Meter Relocation
Sheet 53 Manifold Service Line with Individual Meter Pits
Sheet 54 Manifold Service Line with Shared Access
Sheet 55 Outside Setting for ¾″ & 1″ Meter
Sheet 56 Outside Setting for 1 ½″ & 2″ Meter with Check Valve and Bypass in Manhole
Sheet 57 Large Meter in Vault
Sheet 58 Large Meter in Vault (Irrigation Service Only)
Sheet 59 Inside Setting for Existing ¾″ & 1″ Meter with AMR
Sheet 60 Inside Setting for 1 ½″ & 2″ Meter & Bypass with Inside Backflow Prevention Assembly
Sheet 61 Inside Setting for 3″ & Larger Meter
Sheet 62 Remote AMR Device Installation on Outside Building Wall
Sheet 63 Inside Backflow Prevention Assembly for Outside Setting of 1 ½″ & 2″ Meter & Bypass in Manhole
Sheet 64 Outside Setting for 2″ & Smaller Double Check Valve Assembly in Manhole
Sheet 65 Outside Setting for 2 ½″ to 10″ Double Check Valve Assembly in Vault
Sheet 66 Outside Setting for 2″ & Smaller Reduced Pressure Principle Assembly in Enclosure
Sheet 67 Outside Setting for 3″ & Larger Reduced Pressure Principle Assembly N-Type, Above Ground
Sheet 68 Irrigation Outside Setting for 2″ & Smaller Reduced Pressure Principle Assembly in Enclosure
Sheet 69 Drinking Fountain Double Check Valve Below Ground Installation
Sheet 70 Drinking Fountain Double Check Valve Above Ground Installation
Sheet 71 Standard Design for Hydrant Interconnection
Sheet 72 Standard Hydrant Meter Installation
Sheet 73 Traffic Impediment Bollard
Sheet 74 Reference Post
Sheet 75 Standard Adjustable Support
Sheet 76 Heavy Duty Adjustable Support
Sheet 77 6″ ø Industrial Vent Pipe Assembly
Sheet 78 6″ ø Residential Vent Pipe Assembly
Sheet 79 Polyethylene Wrap on Pipe & at Tap Installation
Sheet 80 Insulated Flanged Joints, Rods, & Bolted Sleeve Type Couplings
Sheet 81 Metallic Pipe Joint Bonding
Sheet 82 Exothermic Weld Protection
Sheet 83 Field Installation Wax Tap (Flanged Connection)
Sheet 84 Field Installation Wax Tape (Bolted Steel Sleeve Type Coupling Connection)
Sheet 85 Steel Pipe-Closure 20″ & Smaller
Sheet 86 One Piece Buttstrap 20″ & Smaller
Sheet 87 Denver International Airport Airside Fire Hydrant Assembly
Sheet 88 Anode Installation
Sheet 89 Manhole Ring and Cover Over Meter Pit

Questions?

Email Katie Ross.