You have been contracted to build a 60′ x 150′ storage facility. Site preparation plans for call for the excavation of 9″ of topsoil 3′ beyond the building liines. How may cubic yards of topsoil will be removed?

You have been contracted to build a 60′ x 150′ storage facility. Site preparation plans for call for the excavation of 9″ of topsoil 3′ beyond the building liines. How may cubic yards of topsoil will be removed?