ABSTRACT

PRODUCT DATA Rock type Carboniferous Limestone Colour Medium brownish grey Grain Medium Product Crushed Stone DRILLING DATA Hole Diameter 105mm Bench Height 15m Contractor Drill Quip UK

SECONDARY BREAKING Dropball on Ruston-Bucyrus 22-RB LOAD AND HAUL Trucks Terex Loaders Terex CRUSHING PLANT Primary Baxter Jaw Secondary BJD Hammermill

PIONEER AGGREGATES (UK) LTD

Long Ashton, Bristol, Avon BS18 9DW Phone 0272 392471 OS Map 172 OS Grid Reference ST537714 Personnel D Howarth, Unit Manager

PRODUCT DATA Rock type Carboniferous Limestone Colour Greyish brown Products Crushed Stone Ready-mixed Concrete DRILLING DATA Hole Diameter 105-125mm Bench Height 12-18m Drills Holman Voltrak COMPRESSORS CompAir 650HE SECONDARY BREAKING Hydraulic Hammer LOAD AND HAUL Trucks (2)Terex 3305B Loaders Caterpillar 980C

Tertiary Baioni Impactor

PIONEER AGGREGATES (UK) LTD

Walwyns Castle, Haverfordwest, Dyfed SA62 3DZ Phone 0437 781261 OS Map 158 OS Grid Reference SM872106 Personnel G Banner, Unit Manager

PRODUCT DATA Rock type Silurian Sandstone Colour Dark blue, grey, brown Grain Medium Product Crushed Stone DRILLING DATA Hole Diameter 105-110mm Bench Height 15-20m Contractor A Jones Rock Drillers LOAD AND HAUL Trucks Aveling Barford RD30 Aveling Barford RD35 Loaders Caterpillar 950 Terex 7261

CRUSHING PLANT Primary Pegson 48×27 Jaw (Single Toggle) Secondary Pegson 900 Autocone Tertiary Pegson 2′ Gyrasphere

PIONEER AGGREGATES (UK) LTD

Harthill, Strathclyde ML7 5TN Phone 0501 51325 OS Map 65 OS Grid Reference NS885640 Personnel K Walton, Unit Manager

PRODUCT DATA Rock type Quartzitic Dolerite Colour Dark grey Grain Medium

Asphalt or Tarmacadam DRILLING DATA Hole Diameter 105mm Bench Height 17m Contractor LOAD AND HAUL Loaders Caterpillar CRUSHING PLANT Primary Boliden Allis 120×100 Jaw Secondary Boliden Allis 45″ Gyratory Tertiary (3) Boliden Allis 36″ Hydrocone

PIONEER AGGREGATES (UK) LTD

Westbury-sub-Mendip, Wells, Somerset BA5 3BZ Phone 0749 870472 OS Map 183 OS Grid Reference ST507505 Personnel R Mawdley, Unit Manager

PRODUCT DATA Rock type Carboniferous Limestone Colour Medium grey Products Crushed Stone Asphalt or Tarmacadam DRILLING DATA Hole Diameter 105mm Bench Height 12-18m Contractor Celtic Rock Services LOAD AND HAUL Trucks Terex Foden Loaders Caterpillar CRUSHING PLANT Primary Baxter 45×32 Jaw Secondary BJD 33 Impactor Tertiary Hazemag APK40 Impactor

I C PIPER Head Office 4 Caradon View, Minions, Liskeard, Cornwall PL14 5LL Phone 0579 62016 Personnel I C Piper, Owner Quarries Bearrah Tor I C PIPER