ABSTRACT

QUARRY ON STAND ROCK DATA Rock type Carboniferous Sandstone (Gritstone)

PENRYN GRANITE LTD (CHARTER CONSOLIDATED plc)

Kessel Downs, Longdowns, Penryn, Cornwall TR10 9DH Phone 0326 73851 OS Map 204 OS Grid Reference SW749327 Personnel D Toy, Unit Manager

PRODUCT DATA Rock type Carnmenellis Granite Grain Coarse Products Crushed Stone Ready-mixed Concrete DRILLING DATA Hole Diameter 105mm Bench Height 20m Drills Ingersoll-Rand CM351

LOAD AND HAUL Trucks Caterpillar Loaders Caterpillar 966C Caterpillar 968 CRUSHING PLANT Primary Kue Ken 36×42 Jaw (Double Toggle) Secondary Symons 3′ Cone Tertiary Symons Cone

PENRYN GRANITE LTD (CHARTER CONSOLIDATED plc)

Newlyn, Penzance, Cornwall TR18 5AA Phone 0736 62378 OS Map 203 OS Grid Reference SW469279 Personnel D Cook, Unit Manager

PRODUCT DATA Rock type Hornfels Diabase Colour Light speckled grey Grain Medium to fine Products Crushed Stone Asphalt or Tarmacadam Ready-mixed Concrete DRILLING DATA Hole Diameter 110mm Bench Height 20-30m Drills Holman Voltrak SECONDARY BREAKING Dropball on Ruston-Bucyrus 22-RB LOAD AND HAUL Trucks (3) Caterpillar Loaders Caterpillar 966C Caterpillar 968 CRUSHING PLANT Primary Kue Ken 36×24 Jaw (Double Toggle) Secondary Allis Chalmers Cone Tertiary (2) Allis Chalmers 3′ Cone

PETERBOROUGH QUARRIES LTD (EVERED HOLDINGS plc) Head Office West End, Maxey, Peterborough, Cambs PE6 9HA Phone 0778 342355 Personnel A Crowson, Managing Director and Production Director Quarries Crossleys, Greetham, Thornaugh PETERBOROUGH QUARRIES LTD (EVERED HOLDINGS plc)