MIL-HDBK-1005/7A
Page
7.4.2.2
Valve
.................................. 102
7.4.3
Appurtenances ........................... 102
7.4.3.1
Operator Shutoff Valves and Gates
....... 102
7.4.3.2
Valve Boxes
............................ 102
7.4.3.3
Valve Vaults or Manholes ................. 104
7.5
Cross Connections and Backflow Prevention
With Nonpotable Supplies ................. 105
7.5.1
Backflow ................................ 105
7.5.1.1
Sources
................................ 105
7.5.1.2
Protection Against Contamination ......... 105
7.5.2
Backflow Preventers ..................... 106
7.5.3
Air Gaps ................................ 106
7.6
Service Connections ..................... 106
7.6.1
Piping .................................. 106
7.6.1.1
Selection Factors ....................... 106
7.6.1.2
Structural Requirements ................. 107
7.6.2
Appurtenances ........................... 107
7.6.2.1
Corporation Stops or Cocks ............... 107
7.6.2.2
Curb Stops or Cocks ..................... 107
7.6.2.3
Goosenecks .............................. 107
7.6.2.4
Service Meters ........................... 107
7.6.2.5
Stop -and -Waste Valve ..................... 110
7.6.2.6
Seismic Zones ........................... 110
7.6.3
Installations ........................... 110
7.7
Irrigation Systems ....................... 110
7.7.1
Sanitary Protection ...................... 110
7.7.1.1
Backflow Prevention ..................... 110
7.7.1.2
Buried Sprinklers ........................ 111
7.7.1.3
Sprinklers With Risers ................... 111
7.8
Meter Vaults and Boxes ................... 111
7.8.1
Meter Vaults ............................ 111
7.8.1.1
Construction ............................ 111
7.8.1.2
Access .................................. 111
7.8.2
Boxes
.................................. 111
7.8.2.1
Construction Boxes ....................... 111
7.8.2.2
Covers .................................. 111
7.8.2.3
Combinations ............................ 111
Section 8
STORAGE
8.1
Function ................................
112
8.1.1
General
................................
112
8.1.2
Purpose
................................
112
8.1.3
Site Considerations ......................
112
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