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.