# APPENDIX S
CIVIL ENGINEERING OFFICE
GENERAL STATISTICS
(A) Road Works Carried Out
New roads completed (miles)
(B) Drainage Works Carried Out
New drains laid (ft.)
(C) Sewage Laboratory
Hong Kong Kowloon New Territories Total No. of samples of sewage and seawater etc., collected for analysis 0.7 0.74 1.44 No. of tests carried out 4,171 4,287 11,999 20,457 3,833 16,203(D) Production in Government Quarries
Total Crushed Stone (Tons) 1969-70 1970-71 1971-72 1972-73 1973-74 Mainland Island 81,750 49,249 133,720 173,440 111,470 133,650 198,340 211,797 202,990 147,602 Total 130,999 245,190 307,090 401,330 359,399 Bitumen-Coated Materials (Tons) 1969-70 1970-71 1971-72 1972-73 1973-74 Mainland Island 58,792 29,754 70,140 38,270 110,770 102,909 111,259 28,715 33,623 34,296 Total 88,546 108,410 139,485 136,532 145,555 Ready-mixed Concrete (Tons) Mainland(E) Production in Contract Quarries
Total Crushed Stone (cubic yards) 23,415 179 19,464 30,510 27,665 2,775,931