D.—l.

Table II.—Economic Comparison of Alternative Lines.

Working-cost does not include artificial ventilation of summit tunnels for lines G, C 2, E, and P, it not being required.

Table I.—Physical Characteristics of Alternative Lines.

74

Name of Length of East Line. Approach. Maximum Grade, Length of West Maximum Grade, Total Length of East Approach. Approach. West Approach. Line. Percentage Total curved. Curvature. Rise and Fall. Elevation of j Length of Sum- Grade in Summit Grade at Summit. mit Tunnel. Tunnel. A B C CI D Dl D2 E M. ch. 0 37 1 68 2 57 2 57 2 29 2 29 2 29 2 78 3 33 lin 40 1 in 50 1 in 30 1 in 30 lin 40 lin 40 1 in 40 lin26 1 in 24 M. ch. 8 6 7 76 7 68 8 11 7 75 8 19 8 5 7 50 7 13 lin 37 1 in 32 lin 25 1 in 25 1 in 28 1 in 28 lin 28 lin 22 1 in 20 M. ch. 8 43 9 64 10 45 10 69 10 24 10 48 10 34 10 48 10 46 20 20 28 34 34 38 35 24 24 Degrees. 372 754 950 1,223 1,216 1,442 1,264 953 953 Ft. 1,199 1,431 1,932 1,932 1,663 1,663 1,663 2,155 2,415 Ft. 2,392 2,508 2,754 2,754 2,624 2,624 2,624 2,870 3,000 Ft. 31,837 20,328 13,662 13,662 15,378 15,378 15,378 5,788 None Ft. 1 in 37 1 in 32 1 in 28 lin 28 1 in 33 1 in 33 1 in 33 1 in 55

B ■9 Train-miles, Otira to Bealey. Cost of Working, Otira to Bealey. Total Annual Charges. Total Length of Line. Maximum Grade. Length of Summit Tunnel. 500 Trains each Way per Annum. 700 Trains ' 1,000 Trains each Way each Way per Annum, per Annum. 500 Truins 700 Trains each Way each Way per Annum, per Annum. Cost of Construction. Interest on Constructioncost at 3J per Cent. 700 Trains each Way per Annum. 1,000 Trains each Way per Annum. 1,000 Trains each Way per Annum. 500 Trains each Way per Annum. A B C CI D Dl D2 E F M. ch. 8 43 9 64 10 45 10 69 10 48 10 48 10 34 10 48 10 46 1 in 37 1 in 32 1 in 25 1 in 25 1 in 28 lin28 1 in 28 1 in 22 1 in 20 Ft. 31,837 20,328 13,662 13,662 15,378 15,378 15,378 5,788 None 8,540 9,800 10,560 10,850 10,300 10,600 10,420 10,600 10,570 11,956 13,720 14,784 15,204 14,420 14,840 14,588 14,840 14,798 17,080 19,600 21,120 21,720 20,600 21,200 20,840 21,200 21,140 £ 4,560 5,008 5,260 5,338 5,792 5,864 5,811 6,805 7,092 £ 5,450 6,028 6,475 6,576 6,930 7,020 6,953 8,098 8,473 £ 6,785 7,550 8,298 8,435 8,633 8,753 8,664 10,035 10,544 £ 566,000 480,000 480,000 493,000 493,000 498,000 473,000 435,000 400,000 £ 19,810 16,800 16,800 17,255 17,220 17,430 16,555 15,225 14,000 £ 24,370 21,808 22,060 22,593 23,012 23,294 22,366 22,030 21,092 £ 25,260 22,828 23,275 23,831 24,150 24,450 23,508 23,323 22,473 £ 26,595 24,350 25,098 25,690 25,853 26,183 25,219 25,260 24,544