Material Specifications

Memo: Engineering Standards — Materials Approval Process

Memo: Fire Hydrant Acceptable Manufacturer Policy – Denver and Total Service Contract Areas

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

Table of Contents

Number	Title
	Abbreviations
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	Flanged 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 1 through 4-Inch
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 5/8 through 2-Inch
MS 17	Magnetic Drive Compound Type Water Meters 2 through 6-Inch
MS 18	Magnetic Drive Turbine Type Water Meters 1 ½ through 16-Inch
MS 19	Magnetic Drive Fire Service Type Water Meters 3 through 10-Inch Turbine Type
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 — 2-Inch and Smaller
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
Appendix A	Procedure for Evaluation of Materials