External drainage Design principles Flashcards
1
Q
Principle 1
A
Impervious and proof against corrosion, and have adequate strength.
2
Q
Principle 2
A
Watertight joints
3
Q
Principle 3
A
Adequate means of acces
4
Q
Principle 4
A
Drains as far as possible in straight lines between access points.
5
Q
Principle 5
A
Efficient means of ventilation to be provided and maintained
6
Q
Principle 6
A
Sufficient size to cope effectively with the maximum load carried
7
Q
Principle 7
A
Drains not allowed to pass under buildings, as far as the circumstances permit.
8
Q
Principle 8
A
Every part of the system adequate supported
9
Q
Principle 9
A
Inlets (entrada cloaca) should be on the exterior of the building
10
Q
Principle 10
A
Branch drains length as minimum as possible and junctions in the direction of the flow
11
Q
Principle 11
A
Drains as far as possible from trees.
