NOTE:
NOTE
Air should be excluded from s.t.l. to encourage the growth of amaaic bacteria to liquify sludge to facilitate the flow of the effluent accumated gasses are expected to be connected and expelled through f.a.o which should carried
above eave be protected against nestling of birds as in drawing. drains should be givien sufficient falls and joints should be properly made to prevent blocking of the apperture and expedite the excape of accummulated gasses.
septic tanks must be construd in concrete and not sandecrete blocks top of septic tank to be not less than 150mm above finished ground level where two or more water closets connected to the same soil pipe the trap on each
water closet other than the highest shall be ventilated to be an antisyphon pipe to the open air at point 75mm above the water seal in the highest water antisyphon pipe and connection should be at 50mm intervals and shall be
connected with the arm of soil sipe at point not less than 150mm and not more than 300mm from the highest point of the water seal which is nearest to the soil pipe
SA
ST1 ST2
75
MH
75
1200
2250
ground level
+ 00 FENCE ELEVATION ground plan
earth 1200 1200
226 600
SA
foundation 450
MH ST1 ST2
SECTION V-V V
2400
1201 1201
450
1001 links
450
450
1201 1201
section
450
450 4500 450 1050 450 2600 300 2600 300 precast system,cross section
ballon cage to svp termination
above roof level
FENCE WALL PLAN V
500
50 600x600 precast conc manhole cover
100
soil and vent pipe
600
2100
sludge level
non return valve
PROJECT:
PROPOSED RESIDENCIAL FACILITY FOR
reinforced concrete wall
flushing cistern
soak away
225mm average depth
cistern overflow pipe
2100
3000
375
benching to full
2700
wc with 50mm
minimum seal 50mm dia. anti - syphonage pipe bore channel
LOCATION:
225
baffle wall Acheampong Akuapem North
1200
front height inspection eye
1350 Eastern
12mm smooth paster
hardcore filling
reinforced conc. wall
concrete
benching floor gradient
mortar mix for joint 12' 2" grips
should be made under joint.
225
to septic tank
concrete base
300
foundation concrete TITLE
allow shanks of drains to rest on rammed SHEET NO:
earth base (drain gradient 21-40) 450
50mm blinding
17
900
longitudinal section
cross section
SEPTIC TANK DETAILS & FENCE WALL
CLIENT:
450
Dunu Antoinnette Amma
3000
soak away
1800
750
perforated pipe should be removed every 3 months and 750
perforated of slots cleaned with wire brush top over of filter
section DRAWN BY: JOB
450
median should be examined and nessary turned over and cleaned
every 2 mont. it may be necessary on account of clogging to MARY DOFENYO (+(233) - 246 - 568328 )
remove part of median and renew.s.t.should be opened every six 750 225 1350 150 1200 225 3000 225
months and depth ot top crust scertaine if this exceeds 12 plus DESIGN BY:
should be removed.
ground plan
MARY DOFENYO (+(233) - 246 - 568328 )
DATE:
June,2025
SCALE: 1 : 100
Note: All diamension are in millimater and go through diamension befroce setting out excuvation
GSPublisherVersion 0.6.100.100
