Tarmac is a leading supplier of aggregates, mortar, concrete blocks, asphalt and ready mixed concrete. The Tarmac Shireoak site north of Birmingham is a bunter sand deposit. Raw Material Analysis The material is spilt 50/50 between sand and gravel but the sand is very fine- typically 30% passes the 300mm sieve, 7% of the raw material is silt. Tonnage: 200,000 TPY, 100 TPH + recirculated ma- terial from the crusher Equipment on

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