Standard Procedures, Specifications, and Drawings



Click on the links below to download associated Adobe Acrobat PDF documents that you can print.

SECTION I - General Requirements (293 KB)
SECTION II - Potable Water System Requirements (350 KB)
SECTION III - Sewer System Requirements (206 KB)
SECTION IV - Recycled Water System Requirements (113 KB)
Download ENTIRE Standard Procedures and Specs - not including Drawings (864 KB)

DRAWINGS (Download drawings by CATEGORY)
General Water and Sewer Details (356 KB)
Sewer Details (964 KB)
Water Details (2.4 MB)

DRAWINGS (Download drawings INDIVIDUALLY)
G-1 Standard Trench Section for Water and Sewer Mains and Side Sewer Installations
G-2 Concrete Encasement Section
G-3 Close Crossing Detail
G-4 Marker Post (4” x 4”)
G-4A Roman Numeral Chart
S-1 Peaking Factor Versus Average Daily Flow
S-2 Standard Manhole
S-3 Drop Manhole
S-4 Standard Shallow Manhole
S-5 Standard Manhole Frame and Cover
S-6 Miscellaneous Manhole Details
S-6A Manhole Pad Details
S-7 Manhole Frame and Cover Adjustment Details
S-8 Typical Side Sewer Installation
S-9 Lateral Sewer Connection to Existing Sewer Main
S-10 Side Sewer Cleanout Riser for Commercial, Industrial and Multi-Family Complexes
S-11 Sampling Manhole
S-12 Grease and Sand Trap
S-12A Grease and Sand Trap for Trash Enclosure
S-13 Grease Interceptor 750-1500 Gallon Capacity
S-14 Grease Interceptor 2000-3000 Gallon Capacity
S-15 Sampling Box
W-1 Valve Box Installation
W-2 Concrete Thrust Blocks
W-3 Concrete Thrust Blocks for Vertical Bends
W-4 Valve Nut Extension
W-5 Backflow Prevention Method for Tanker Trucks and Portable Spray Rigs
W-6 Fire Hydrant Installation
W-7 1” Service Installation
W-8 1 ½” – 2” Service Installation
W-9 2” Blow-off Assembly at Dead End 6” and 8” mains
W-10 3” Blow-off Assembly at Dead End 10” and 12”
W-11 Blow-off Assembly at Low Point of Mains 6”, 8”, 10”, 12”, and 14” Mains
W-12 Temporary Blowoff for 12” Mains and Smaller when Valve is not Bolted to Tee or Cross
W-12A Temporary Blow-off Thrust Block Detail
W-13 Gate Valve Installation 10” Gate Valve and Smaller
W-14 Butterfly Valve Installation 12” to 18” BFV
W-15 1” Air Release & Vacuum Relief Valve Installation 6”-10” Potable Water Mains
W-15A 1” Air Release & Vacuum Relief Valve Installation 6”-10” Potable Water Mains
W-15B 1” Air Release & Vacuum Relief Valve Installation 6”-10” Recycled Water Mains
W-16 2” Air Release & Vacuum Relief Valve 12” Potable Water Main or Larger Installation
W-16A 2” Air Release & Vacuum Relief Valve 12” Potable Water Main or Larger Installation
W-16B 2” Air Release & Vacuum Relief Valve 12” Recycled Water Main or Larger Installation
W-17 Tapping Sleeve and Tapping Valve Installation
W-17A Excavation for Tapping Sleeves & Valves
W-18 Combination Blowoff and Sampling Tap for 2” to 3” Blowoff (Temporary Installation)
W-19 Meter Box Installations 5/8 Inch to 3 Inch
W-20 3” Meter Installation
W-20A 4-Inch Service w/2-Inch Meter Installation
W-21 Backflow Preventer Installation ¾” to 2”
W-22 2 ½” to 10” Reduced Pressure Backflow Prevention Device
W-23 Double Detector Check for 2 1/2”-10” Fire Lines Above Ground Installation
W-23A Double Detector Check for 2 1/2”-10” Fire Lines Above Ground Installation (Optional)
W-24A 1” Water Service with Two 5/8” Meter Manifold
W-24B 2” Water Service with Three 5/8” Meter Manifold
W-24C 2” Water Service with One ¾” Meter & One 1-1/2” Meter Manifold Installations
W-25 Fiberglass Enclosure for Backflow Preventer
W-26 Standard Sampling Station
W-27 Air Release & Vacuum Relief Valve Cover
W-28 Recycled Water Sign Post Detail
W-28A Standard Details for Placement of Recycled Water Irrigation Decal Signs
W-28B Recycled Water Decal Detail
W-28C Recycled Water Aluminum Sign Detail
W-29 Brass Address Tags for Manifolded Meters Sampling Station
W-30 Construction Jumper
W-31 ¾” to 3” PRV Installation For Recycled Water Irrigiation System

APPENDIX - DOHS Criteria for Separation

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