The lawn area requires a base of topsoil 10cm deep. The flower beds are 50 cm deep. The rockery garden is built up to a height of 1m. Each tree requires a hole 1m in diameter and 1m deep. Each roughly cylindrical hole is filled with topsoil. The cedar hedging, bamboo, and rhondodendron bushes require holes 50 cm in diameter and 50 cm deep. These holes are filled with topsoil. The boxwood hedging requires a trench 50cm wide and 50cm deep. Topsoil can be purchased for $15/m3. Estimate the volume and cost of the topsoil for the garden.
cedar hedging=14m
bamboo=7m
rhododendron=17m
boxwood hedging=26m
flower beds=22m
rockery garden=43m
lawn area=230m
trees=7m
Estimate the volume and cost.?
dont forget to allow for compaction approx. 1/3
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