desludging

Another option might be the regular emptying of shallow pits - known as desludging - and transportation of the material to other disposal sites.

7. Typical Scenarios 1994

The need for regular desludging of the interceptor tank calls for a well-organized sewerage department.

Chapter 5 2000

If the sewer system is to work effectively, the responsibility for tank desludging must fall on the organization which is responsible for maintenance of communal sewers.

Chapter 5 2000

Routine inspection is necessary to check whether desludging is needed and to ensure that there are no blockages at the inlet or outlet.

Chapter 5 2000

The principal problems related to desludging revolve around responsibility.

Chapter 5 2000

These are mainly the organization of desludging services for the interceptor tanks.

Chapter 5 2000

This in turn may have implications for the design of latrine to be used, as consideration may need to be given to the possibility of resiting latrines or regular desludging because of lack of capacity.

7. Typical Scenarios 1994

One option may be to undertake a regular programme of desludging, as was done in Mazar-i-Sharif in northern Afghanistan in 1993 when people displaced from Kabul occupied schools and university buildings in the city.

7. Typical Scenarios 1994

After desludging the effective liquid retention time is greater because liquid then occupies the regions previously full of sludge and scum.

Chapter 4 1992

N = the number of years between desludging (often 2-5 years; more frequent desludging may be assumed where there is a cheap and reliable emptying service);

Chapter 4 1992