(ii) Water Tightness (if necessary). For masonry and cementitious pits,
include water tightness provisions for the roof and sidewall.
(d) Superstructure. Include drawings necessary to build the superstructure with
details like the door frame, hinges, roof, etc.
(e) Plumbing. Provide details for piping connections, pit connection, and urine
diversion if necessary.
(f) Appurtenance. Ensure that the appurtenance follows local practices, customs, and religion for the specific household.
(g) Additional Plumbing. Give plumbing details of pipe lengths between appurtenance and pit. Provide trench details for underground pipelines.
12. Material and Cost List
(a) Material List. List materials to be used, all of which must be found during
the assessment phase at the local hardware store, which may be quite
different from those available in western hardware stores.
(b) Costs:
(i) Capital Costs. Include material and paid labor.
(ii) Operation and Maintenance (O&M) Costs. Include costs for emptying
the pit or spreading sludge if necessary, as well as other costs such as
cleaning and hygiene supplies.
(iii) In-Kind Costs. Quantify labor, materials, food for workers,
translation, etc.
13. Operation and Maintenance. The following should be provided to the community, with consideration for local customs and religions, in the local language or
in pictures (the more pictures the better).
(a) Latrine Cleaning. Consider the difficulty of cleaning all parts of the system,
and include a method for cleaning and note who will be responsible, if
necessary. For ventilated pits, the pipe opening must be screened and
include a cleaning and replacement schedule and responsibility (start out
more frequently). For composting latrines, a mixing schedule of the compost
must be calculated which maintains an aerobic environment and reduces
odor. A source for the bulking material and a schedule should be included.
(b) Personnel. For households, the homeowner is responsible for maintenance,
but this is not so clear for a communal building (market, community center,
etc.). This should be discussed with the community and documented in the
community agreement. If paid personnel are necessary (pumping or compost handling), providers should be researched and documented, as well as
the method to pay for it.
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J. Knight et al.
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