During the past eighteen months the Christchurch City Council has curried out extensive additions to the oily water supply. Mr J. M. Stewart, artesian well borer, of this city, was the successful tenderer, the _ work comprising fifteen bores of various diameters up to 16in. and aggregating nearly 3,000 lineal feet in depth. The inflow to the pumps at the main station at Cashmere has in consequence been increased by three million gallons daily. At Woolston a 6in'bore sunk to 370 ft gives a! flow of 400gnl per minute, and rises 29ft above the surface; while a IGin, 6ft I distant, sunk to 120 ft, (lows ;500gal per njinntf. but rises only 21in above ground level. There' arc, however,, some higher levels where artesian flows are not readily obtained, and at the 1 city abattoirs a lOin bore has been I fitted with a Ileos vertical spin-) die bore bole pump, operating 750 ft be'ow the surface, and supplies 120 gal per minute direct from the bore under a pressur* of COlb per square inch.
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Evening Star, Issue 19783, 6 February 1928, Page 7
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174Page 7 Advertisements Column 1 Evening Star, Issue 19783, 6 February 1928, Page 7
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