Hello I have an issue I want resolved.

I want to calculate for the number cement to buy and sand for the follwoi details:

BLOCKWORK
Superior quality hollow sandcrete block wall bedded and jointed in cement sand mortar (1:6)

225mm thick walls filled solid - qty 10 unit M2
225mm thick walls qty 18 unit M2

12mm cement and sand (1:3) smooth rendering to:
Blockwall. Qty 56 unit M2

Thanks.

Will u pay I can do the job for u. I'm a surveyor.