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Gate Pillar footings

agentsmith · 2009-06-23 14:43:15

Looking at installing two ready made sandstonegate gate pillars and need figure out foundations. Planning around a 4:1 ratio with a little water for the two house pillars 26"x26" square (5-6ft tall) and assuming I allow a couple of inches extra each side for support and use a depth of 12". I get following calcs using…

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23-06-2009 3:43pm

#1

agentsmith

Registered Users Posts: 82 ✭✭

Join Date: April 2006

Posts: 59

Looking at installing two ready made sandstonegate gate pillars and need figure out foundations.

Planning around a 4:1 ratio with a little water for the two house pillars 26"x26" square (5-6ft tall) and assuming I allow a couple of inches extra each side for support and use a depth of 12". I get following calcs using 28x28x12in=9408cu in = 0.15cu m multiplied by two for the 2 pillars so estimated 3.0 cu m concrete required.

How many sacks of sand/aggregate/cement would I therfore need buy to mix this volume?

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