Chapter 11

The overflow level of the secondary drain inlet above the primary drain inlet is usually not less than
1 in
2 in
6 in
12 in
Storm drain systems shall be tested upon completion of the rough piping by using
10 ft. Head of water
4.34 psi air
4.34 in. mercury
Smoke or peppermint
Storm water shall not be drained into sewer intended for
Combined sewer systems
Sanitary drainage only
Storm drain system
Storm sewer system
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