CONDUCTIVE CONCRETE: CONDUCRETE® EARTHING
Installationinstructions
Conducrete® is easy to install in either horizontal or vertical applications.
Verticalinstallations
Conducrete® can be installed dry or as a water based slurry and pumped 1.Drillholetodesireddepthanddiameterasdeterminedbysoilresistivityat
intothetrenchorhole. thesiteandtherequiredRvalue.Thetypeofdrillrigusedisdependenton
soilconditions.
Horizontalinstallations
2.Placeconductorinmiddleofdrilledhole.
1.Dig trench to designed depth, width and length. Smooth out bottom of
3.Mix Conducrete® in a slurry (16 litres water/1 (no.) 25kg bag of
trench.Typicallythetrenchis0.5mwideand0.6mdeep.Thelengthofthe
Conducrete®) and pump down hole from bottom to displace any mud or
trenchisdeterminedbythesoilresistivityatthesiteandtherequiredsystem
waterastheholefills.Forshallowholes(3m)itmaybepossibletousethe
Rvalue.
materialdry.
2.Laycopperwire(orapprovedalternative;contactforverification)incentre
oftrench.
Recommended number of 25kg bags/m
3.Pour dry Conducrete® over wire. Cover the wire to 4cm depth with
of length using various diameters
Conducrete®. One (no.) 25kg bag of Conducrete® covers 3.5-5.0m of
trench.
Holediametercm: No.of25kgbags/m
4.EnsurethewireiscompletelyimmersedinConducrete®.
5cm 0.1
5.Carefullyhandshovel10cmofloosenativebackfillovertheConducrete®.
10cm 0.4
6.Backfillremainderoftrenchusingnativeexcavatedmaterial.
15cm 1.0
20cm 1.8
Recommended number of 25kg bags/m of trench
25cm 2.8
using various trench dimensions
30cm 4.0
Conducrete® 0.25m 0.4m 0.5m 0.6m
MaximumThickness:
One(no.)25kgbag=0.025m³
Samplecalculation:15cmdiameterhole,10mdeep;
0.04m 0.20 0.32 0.40 0.48
howmany25kgbagsrequired?=1.0x10=10(no.)bags.
0.05m 0.25 0.40 0.50 0.60
0.1m 0.50 0.80 1.00 1.20
0.15m 0.75 1.20 1.50 1.80
0.2m 1.00 1.60 2.00 2.40
One(no.)25kgbag=0.025m³
Samplecalculation:trench0.5mwide,0.04mthickness,lengthof10m;
howmany25kgbagsrequired?=0.40x10=4(no.)bags.
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