BLASTING AT LYTTELTON
35,000 Tons Dislodged Blasting operations yesterday at the Lyttelton Harbour Board’s quarry below Evans Pass dislodged about 35,000 tons of rock when about 150 cases of explosive were detonated by fuse about 5 p.m. It was one of the biggest charges fired at the quarry. The charges were skilfully laid so that the force of the explosion was used to dislodge heavy rock within a planned area, a minimum of material being thrown high into the air. The police at Lyttelton reported no untoward effects from the blast. “I did not even hear it.” said a constable on duty at Lyttelton when the charge was fired. The assistant engineer to the Lyttelton Harbour Board (Mr M. L. Jones) said that the material would be used for protection on the seaward edge of the reclamation area. The large fragments dislodged would be very suitable in giving protection against large waves Dump trucks on the job at the quarry could carry rocks up to 16 tons weight. Mr Jones said. About 2000 tons of rock was being moved at the quarry each day for reclamation.
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Press, Volume C, Issue 29498, 27 April 1961, Page 16
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186BLASTING AT LYTTELTON Press, Volume C, Issue 29498, 27 April 1961, Page 16
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