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European Union Inter Aide Sierra Leone
1
TRAINEE BOOKLET
How to build a latrine ?
“This document has been produced with the financial assistance of the European Union. The contents
of this document are the sole responsibility of Inter Aide and can under no circumstances be regarded as reflecting the position of the European Union.”
Inter Aide Sierra Leone
2
SITE LOCALISATIO
N
LATRINE
HOUSE
KITCHEN
WATER ACCESS
As far as possible
>30m
>10m
>10m
Inter Aide Sierra Leone
3
LATRINE SITE LOCALISATIO
N
Inter Aide Sierra Leone
4
Diameter
75 cm = 30 inches = 2 feet 6 inches
If between 75cm
and 85cm high RISK OF COLLAPSING
If M
ore than 85cm = NO CASTING
Depth
MINIM
UM = 2m
= 80 inches
= 6 feet 8 inches
DIAMETER
PIT DIG
GING
DEPTH
Inter Aide Sierra Leone
5
Girdle mould
Center Peg
Foot rest mould
Drop hole mould
Arch mould
Shovel
Trowel
Measuring tape
Hawk saw frame
& blade
Rubbing
boards
Sand
x 5 head pans
Gravel
x 3 head pans
Water
x 2 batters
Head pan
Binding W
ire
x 3m
Cem
ent
x ½ bag
Iron rode 6mm
x 8m
Cem
ent paper
or
banana leaves
Straight edge
FOR ONE SLAB
Material & Tools for casting
For one dome slab
Inter Aide Sierra Leone
6
SAND DOME
10 cm = 4 inches
Flat
Inter Aide Sierra Leone
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METALLIC STRUCTURE
Spacers
Verticals
0,40 m
= 16 inches
Rings
Small : 1,70 m
Big : 3.70 m
Cem
ent
paper
or
Banana
leaves
Inter Aide Sierra Leone
8
CONCRETE W
ORK
Inter Aide Sierra Leone
9
FOOT REST & COVER
30cm
30cm
30cm
30cm
40cm
40cm
40cm
40cm
Inter Aide Sierra Leone
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CASTING END, CURING
Need 2 weeks
Curing
under protection
Children
Animals
Sun
Do not touch
slab
during this curing time,
especially the cover
Inter Aide Sierra Leone
11
FINAL DESIG
N
Inter Aide Sierra Leone
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TEST
Wedges
6 persons
Inter Aide Sierra Leone
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INSTALLATIO
N, FENCING,
FINISHING
Inter Aide Sierra Leone
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TRANSPORT
Carry it with 4 people M
inimum
Do not roll it
Inter Aide Sierra Leone
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FINAL LATRINE
Recommended