C—2a

SCREENING OF COAL The following table shows the percentage of coal sold as unscreened and the results obtained from the screening of the balance of the output:—

ACCIDENT INSURANCE The State Coal-mines carries its own compensation risk, provision being made in the accounts, which are debited with premiums at the rate of £5 J per cent, on collierywages and £2 per cent, on depot wages. The Insurance Working Account shows a surplus of £24,576 ss. Id. on the year's operation, and this amount brings the total of the Accident Insurance Reserve Account at 31st March, 1947, to £79,713 Bs. sd. The cost of claims percentage on wages paid amounted to £2 17s. 9d., as compared with £3 3s. lid. for the previous year, the average cost of each claim being £24 10s. 7d. •compared with £25 lis. Id. during the 1945-46 financial year.

5

Mine. Percentage sold as Percentages of Screened, Nuts, and Small obtained from Coal screened. Unscreened. Screened. Small. Liverpool .. Strongman Dobson 99-58 9-88 413 6-67 81-25 80-07 93-33 18-75 19-93 Wallsend 5-16 70-28 2972 Blackball 7-81 29 •76 70-24 Stockton 22-52 58-00 42-00 Mossbank . . 66-95 33-05 Burke's Creek 27-04 71 •53 28-47 Kemp's Opencast Waitewhena 58-81 55-66 41-19 44-34 Glen Afton 54-69 45-31 Kimihia Opencast Wairaki Opencast Bar 20 6-27 68-74 68-14 77-50 3131 • 2226 86 50 Wangaloa 77-00 23-00 Percentage of House, Domestic, Kitchen, and Slack (North Island Grading). House. Domestic. Kitchen. Slack. Wilton 5-45 51-12 48-88 Mangapehi Tatu 6-04 11-81 49-il 33*31 54-88 50-89