35

H.—6

Return of Defects found on the Inspection of Boilers and Fittings in the Otago District during the financial Year ended the 31st March, 1884.

Description. Dangerous. (Ordinary. Total. 1883 : May 8.—One multitubular boiler, loco make ; formerly used at the Green Island colliery for pumping and winding. Condemned May 8.—Vertical field tubes : Slightly cracked in uptake and several rust holes ; and field-tubes gone May 15. —Circular longitudinal tubular : Very dirty inside, endangering the shell (two stays to go in between crown of dome and shell) and seam leaking on crown May 16.—Vertical field-tubes, field boiler: Ends of tubes burned off through sediment settling May 25.— Portable : Compensation-ring to go round man-hole. Waste through leakage June 15.— Vertical hoist: Uptake entirely gone. New uptake. Corrosion June 25.— Cornish: Wasting inside. Corrosion July 19. —Vertical: Slight laminated scale on uptake July 30.—Vertical: Slight waste internally. Corrosion ... August 4.—Eeturn tubular : Laminated plate in crown of furnace ... August 10. —Steam digester: Angle-irons and crown considerably wasted through corrosion August 27.—Portable : Shell internally corroded. Will soon require to be replaced August 28. —Vertical: Fittings of pressure-gauge useless .. September 6. —Cornish : Plate wasted at blow-off. Corrosion September 24.—Cornish : Plates corroded a good deal where in contact with brickwork October 4.—Saw-mill tramway locomotive : Crown of firebox cracked through shortness of water. New crown October 9. —Portable : Through-stays wasted, and plate round manhole wasted October 16.—Egg end: Fittings of water-gauge bad. New one ... October 16.—Drying cylinders : Safety-valve to be put on steam-pipe of drying cylinders November 5. —Lancashire: Several rivets corroded in No. 2 flue. To be renewed November 9.—Fittings: Two stays to be put on steampipe to support stuffing-box November 23. —Circular longitudinal-tubular : Fittings of pressuregauge done 1884: January 7.—Steam digester: Laminated plate on top, and angle-irons, considerably corroded January 7. —Steam digester: Laminated plate on top, and angleirons, considerably corroded January 12. —Vertical: Uptake corroded nearly through. Is now - sheathed February 5.— Vertical: Man-hole door done through corrosion. New door February 12.—Cornish : Circular seam in tube sprung through overheating, and longitudinal seam partly depressed March 10. —Longitudinal tubular : Tubes all gone through corrosion March 10.—Longitudinal tubular : Tubes all gone through corrosion March 10. —Cornish tubular : Tubes sprung through dirt March 19.—Portable: Tubes sprung through tear and wear March 28.—Portable : Considerably worn through tear and wear ... 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Totals ... 29 81