-
1
MINIMUS COMPOST TOILET
2m
4m
100
800
900
300
600
100
700
900
PVCcap with
fly screen
Vent pipe - 100or 150mmdia. PVC4mlong, fly screenat top
Use 200mm hollow blocks to makebaffle
90 or 100mm PVCair duct
100mmhollow blocks
75mmconcrete slabon fill, 30 slope
VentilationPipe Wooden access door ENDVIEW
Optional
SECTION B- B
Footing 300x300
Pedestal Vent hole 100x250 with fly screen
Squat plate All Dimensions Shown in Millimetres
Air ducts
Access lid/inspection cover
Access door for removal of organic matter Reinforced, formed
concrete beam
SECTION A- A Liquiddrain to greywater system or absorption
trench
FIG. 1 Clivus Plans Adapted FromRybczynski's Variation on the
Clivus Multrum ( Page158 of "Goodbye to the FlushToilet")
-
2
MINIMUS COMPOST TOILET
500
500
1m
300
300
500
150
200
200
350
620
820
1m
FIG. 1a
PLAN VIEW "A"
100 or 150mmdia. holefor vent (can be placed anywhere on slab
but preferably along backwall)
100x100x10 R.C.Slab
150
350
1m
500 Corrugated G.I. sheet painted
black. Use G.I. anchor bolts
PLAN VIEW "B"
B 90
Composting Chamber
Humus Chamber
Liquid
A Drain A
90 B 1.62m
90 2.4m
510
90 100
-
3
MINIMUS COMPOST TOILET
FIG. 2 STANDARD BLOCK ARRANGEMENT
1m
6 x 125mmbolts grouted in
3/4
3/4 10
9
8
7
6
Cement fill Baffle wall
Reinforced conc. lintel
3/4
5
3/4 4
3
3/4 3/4 2
1
100x100 steel angle Heavy line = line of stepped footing
Corner (1 1/4 ) blocks 10 50x50mm steel 9 angle to support front
8 end of 200mm
blocks 7
6
Concrete lintel 5
4 38mm x 75 3 h/w framing
2
1
Concrete floor
Substitute 1/2 & 3/4 blocks here for stepped footing
2.4m
620
Conc. curb
-
4
MINIMUS COMPOST TOILET
1m
1/2
1/2
3/4
3/4
90
400
210
3/4
1/2
3/4
FIG. 3 COURSE 1 & 3, NARROW CHAMBER
1 1/4 1 1/4
1 1/4 1 1/4
FIG. 4 COURSES 2 & 4, NARROW CHAMBER
1 1/4 1 1/4
Angle iron back cut out where it sits on blocks
1 1/4 2.4m
1 1/4
FIG. 5
COURSE 5 FOR NARROW CHAMBER (2 1/2 blocks wide)
1 1/4
Conc. Lintel
Air ducts centre line
1 1/4 Break hole in inside of end blocks
to key into concrete lintel
-
5
MINIMUS COMPOST TOILET
1.4m
1/2
1 1/
4 1
1/4
21
21
400
400
90
1 1/
4 1
1/4
FIG. 6
BLOCK ARRANGEMENT FOR COURSE 7, NARROW CHAMBER
Walls joined with brick ties
1/2
FIG. 7 COURSE 1 FOR WIDE CHAMBER
Air duct centre line
2.4m
-
6
MINIMUS COMPOST TOILET
1/2
1/4 1/4
3/4 1/2 3/4
3/4 1/2 3/4
Step
Top
FIG. 8 BLOCK ARRANGEMENT FOR STEPPED TOP
10
9
8
7 1/4
1/2
1/4
6 3/4 3/4 5 1/2
4
3
2
Flat or angled steel
Concrete floor
2.4m
1 Conc.
curb
620
FIG. 9 BLOCK ARRANGEMENT FOR BAFFLES
Standard Chamber
Wide Chamber
1/2 1/2
3/4 1/2 3/4
3/4 1/2 3/4
-
MINIMUS COMPOST TOILET
FIG. 10
OLD BLOCK ARRANGEMENT (use when you don't want to cut front
corner blocks)
1m 6 x 125mm bolts grouted in
10 Cement fi lll 9 Baffle wall
8 Reinforced
conc. lintel 7
6 3/4
5 3/4
4 3 3/4
2
1 3/4
100x100 steel angle
Heavy line = line of stepped footing
2.5m
Alll (1 1/4) corner blocks shaded
For rear wall layout see FIG.2
