ABSTRACT

PRODUCT DATA Rock type Ordovician Sandstone Colour Not Commercially Significant Grain Medium Product Crushed Stone DRILLING DATA Hole Diameter 105mm Bench Height 10-12.5m Contractor A Jones Rock Drillers SECONDARY BREAKING Dropball on Ruston-Bucyrus 22-RB CRUSHING PLANT No information

SIR A McALPINE QUARRY PRODUCTS LTD (SIR A McALPINE plc)

Hendre, Mold, Clwyd CH7 5QL Phone 0352 741200 Telex 617056 OS Map 116 OS Grid Reference SJ194680 Personnel C J Jones, Unit Manager

PRODUCT DATA Rock type Carboniferous Limestone Colour Not Commercially Significant Grain Medium Products Crushed Stone Asphalt or Tarmacadam DRILLING DATA Hole Diameter 105mm Bench Height 15m Contractor A Jones Rock Drillers SECONDARY BREAKING Dropball on Ruston-Bucyrus 22-RB LOAD AND HAUL Face shovel Liebherr 974 Trucks (2) Aveling Barford RD35 (2) Aveling Barford RD40 Loaders Caterpillar 966C Caterpillar 968 CRUSHING PLANT Primary Hazemag Impactor Secondary None