The following points must be put into consideration
and application if an effective drainage layout is to be executed.
and application if an effective drainage layout is to be executed.
i.
Type of soil where drainage is to be constructed.
Type of soil where drainage is to be constructed.
ii.
Topography or terrain of the community or area.
Topography or terrain of the community or area.
iii.
Individual residential capacity for constructing the
drainage.
Individual residential capacity for constructing the
drainage.
iv.
Types of drainage system to be provided in residential
buildings, industrial areas, markets, highly commercialized areas, traffic
congested areas, slum and marshy areas, waste treatment areas.
v.
Sizes, volume, length and depress of drains to be
constructed.
Sizes, volume, length and depress of drains to be
constructed.
vi.
Water sources and storm or run-off water courses in
the area.
Water sources and storm or run-off water courses in
the area.
vii.
Government policy and finance.
Government policy and finance.


