Q.How many tonnes of earth was excavated to create the london tube network?
A.1,800,000 tonnes of earth were excavated to create the London tube network. There are 171km of tunnels, at an average depth of 24m. The deepest is 67.4m.
Q.How much earth in tonnes comes out of an excavation 9mx7mx3m deep
A.1 tonne of top soil measures about 1 cubic metre. 189 cubic metres (9x7x3) of dry topsoil would therefore weigh about 189 tonnes. Stone is 50% heavier.
Q.Whats the biggest land vehicle in the world?
A.The largest land vehicle in the world is the RB293 bucket wheel excavator, made by MAN Takraf. It weighs 14,196 tonnes, and is 220m long & 94.5m high.
Q.How much in english pounds is a typical JCB agricultural excavator?
A.Brand new, an 8-tonne JCB excavator would cost around £40,000. However, good second-hand versions of such equipment can be found for around £27,000.
Q.How much are mini diggers to buy?
A.The Volvo EC13 mini digger will cost around £11,000 new. This 1.3 tonne compact excavator has a Mitsubishi L3E2 engine and reach of 3.59 - 3.73 metres.
Q.Wot is the biggest tracked 360 degree excavator
A.The largest tracked 360 degree excavator weighs 60 tonnes. It's made by the Telco Construction Equipment Company, a subsidiary of the Indian TATA Group.