# APPENDIX S
CIVIL ENGINEERING OFFICE
GENERAL STATISTICS
(A) Road Works Carried Out
New roads completed (miles)
(B) Drainage Works Carried Out
Hong Kong Kowloon New Territories Total New drains laid (ft.) 1,100 10,896 18,990 30,986 1,570 ... 7,508 ...(C) Sewage Laboratory
1967-68 1968-69 1969-70 1970-71 1971-72 No. of samples of sewage and seawater collected for analysis 33,579 25,092 ... 64,855 81,750 No. of tests carried out 133,720 173,440 47,816 49,249 111,470 133,650(D) Production in Government Quarries
1967-68 1968-69 1969-70 1970-71 1971-72 Total Crushed Stone (Tons) Mainland ... ... 58,671 112,671 ... Island ... ... ... ... ... Total ... ... 112,671 130,999 245,190 307,090 Bitumen-Coated Materials (Tons) Mainland ... 4... 30,623 32,624 29,754 38,270 Island ... ... ... 28,715 ... ... Total ... ... 99,397 100,257 88,546 108,410 139,485 Ready-mixed Concrete (Tons) Mainland ... ... ... ... 23,415 19,464 ... ... ... ... ... ... ...(E) Materials Testing Laboratories-Physical tests on soils and building materials
1967-68 1968-69 1969-70 1970-71 1971-72 Tests for compressive strength of concrete cubes 61,496 ... ... ... ... Tests on physical properties of cement ... ... 49 1,488 ... Grading and other tests on aggregates ... ... ... 2,456 ... Tests on steel and other metals ... ... 13,982 ... ... Tests on bitumen and bituminous products ... ... ... ... ... Soil tests ... ... ... ... ... Pipe tests • ... ... ... ... Miscellaneous tests ... ... ... ... ... ... Total ... ... ... ... ...(F) Quarries Revenue
$ Sales of Quarry Products... 7,838,469 Quarry Contract Premia 20,772,678 Sales of Sand 2,426,693 Laboratory Fees 71,073 ... 70,147 Departmental Charges on Stone Sales Total 31,179,060...
D1
1
3,336 3,090 624 1,481 87,953 Amount $180