| COLLIERY | HEWLETT | ||||
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| LOCATION | Hart Common, in the triangle formed by the Pendleton – Hindley, Dobbs Brow Jc. – Horwich Fork Jc., and Hindley – Bolton L&YR lines. | ||||
| OWNERS |
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Hewlett Colliery
Used with kind permission of Pitheadgear
Shafts
No.1 (upcast), Sunk 1871, 16 feet diameter, to Arley Mine at 450 yards from surface. Haigh Yard Mine at 322 yards also worked from this shaft.No.2 Pit (downcast), 16 feet diameter, sunk 1871 to Haigh Yard Mine.
Production commenced c1875. Both shafts latterly filled up below Hindley Green Five Feet horizon.
Winding
No.1 Pit, Twin cylinder vertical engine 30 inches x 60 inches, 14 feet diameter winding drum.
No.2 Pit, Twin cylinder horizontal engine approx. 30 inches x 60 inches
Both pits fitted out with double deck cages carrying two tubs per deck.
Power
Electrical power installed by Lancashire Electric Power Company in 1908.
Electrically driven air compressor at No.1 Pit.
Pumping
No.1 Pit, originally Bull-type pumping engine, two bucket lifts, bottom lift 6 inches diameter, 55 yards, top lift 11 inches diameter, 75 yards to surface. Supplemented by winding water at both pits as required.
Above plant replaced by electrically driven pumps, run and standby, 6 inches Gwynnes centrifugal, 25hp., 700gpm.
No.2 Pit, Swift & House, Wigan, three-throw 6 inches x 9 inches ram pump, 103 gpm at 465 feet head. Installed at Haigh Yard Mine level. John Wood & Sons three-throw ram pump 8 inches x 12 inches, 180gpm. at 765 feet head.
New pump installed 1925 to pump all water – 250hp. Mather & Platt six-stage centrifugal pump, 600gpm. at 878 feet head. This pump subsequently transferred to Crawford Colliery (re-development)
Average make of water, 66,000 gallons per day.
Ventilation
Originally furnaces in Haigh Yard Mine and Arley Mine.
Electrically driven Walker “Indestructible” fan installed c1908, 85,000cfm
Boilers
Range of Lancashire boilers. A feedwater heater was installed adjacent to No.2 Pit engine house, fed by exhaust steam.
Seams Worked (1919)
Trencherbone (Hindley Green Five Feet), Hindley Green Four Feet, Haigh Yard.
Output, 101,156 tons for year, plus 2334 tons fireclay. 14,119 tons obtained by three disc coal cutters, 4000 tons by one bar machine, 18,263 tons by five chain coal cutters, 13,333 tons by ten percussion (“Siskol”) machines. – Total machine cut 49,715 tons.
NOTE – Hindley Green Five Feet Mine, 153 yards below surface.
CLOSURE – 1 January 1931. Abandoned March 1931.
Copyright © NMRS Records: G. Hayes Collection
