ABSTRACT

COMPRESSORS CompAir 650HE SECONDARY BREAKING Dropball on Ruston-Bucyrus 19-RB LOAD AND HAUL Face shovel O&K Trucks (4) Foden 14t Loaders (2) Bray CRUSHING PLANT Primary Parker Jaw Secondary Sheepbridge

HILLHOUSE QUARRY COMPANY Head Office Hillhouse Quarry, Troon, Strathdyde KA1O 7HX Phone 0292 313311 Fax 0292 314640 Personnel S B Vernon, Director Quarries Hillhouse HILLHOUSE QUARRY COMPANY

Troon, Strathclyde KA10 7HX Phone 0292 313311 OS Map 70 OS Grid Reference NS345342 Personnel J Cairns, Unit Manager

PRODUCT DATA Rock type Dolerite Sill (Whinstone) Colour Very dark grey Grain Medium Products Crushed Stone Asphalt or Tarmacadam Ready-mixed Concrete DRILLING DATA Hole Diameter 110mm Bench Height 18m Drills Ingersoll-Rand CM350 COMPRESSORS Ingersoll-Rand SECONDARY BREAKING Dropball on Ruston-Bucyrus 22-RB LOAD AND HAUL Loaders Caterpillar CRUSHING PLANT Primary Allis Chalmers Cone Secondary Allis Chalmers Cone Tertiary Allis Chalmers Cone

R HINCHCLIFFE AND SON LTD (MARSHALS HALIFAX plc) Head Office Appleton Quarry, Shepley, Huddersfield, W Yorks HD8 8BB Phone 0484 606390 Personnel R Hinchcliffe,