APPENDIX S
CIVIL ENGINEERING OFFICE
GENERAL STATISTICS
Hong Kong Kowloon New Territories Total (A) Road Works Carried Out New roads completed (miles) 0.51 0.24 0.75 (B) Drainage Works Carried Out New drains laid (ft.) ... 18,425 30,779 53,684 (C) Sewage Laboratory No. of samples of sewage and seawater, etc., collected for analysis ... ... ... 3,438 No. of tests carried out ... ... ... 12,858 (D) Production in Government Quarries Mainland Island Total Total Crushed Stone (Tons) 1968-69 64,855 47,816 112,671 1969-70 81,750 49,249 130,999 1970-71 133,720 111,470 245,190 1971-72 173,440 133,650 307,090 1972-73 198,340 202,990 401,330 Bitumen-Coated Materials (Tons) 1968-69 67,633 32,624 100,257 1969-70 58,792 29,754 88,546 1970-71 70,140 38,270 108,410 1971-72 110,770 28,715 139,485 1972-73 102,909 33,623 136,532 Ready-mixed Concrete (Tons) 1970-71 ... 23,415 ... 1971-72 ... 19,464 ... 1972-73 ... 30,510 ... (E) Materials Testing Laboratories Tests for compressive strength of concrete cubes ... ... 48,743 Tests on physical properties of cement ... 950 Grading and other tests on aggregates ... 2,178 Tests on steel and other metals ... 14,234 Tests on bitumen and bituminous products ... 4,012 Soil tests ... 5,963 Pipe tests ... 380 Miscellaneous tests ... 1,898 Total 187 ... 78,358APPENDIX S
CIVIL ENGINEERING OFFICE
GENERAL STATISTICS
Hong Kong
Kowloon
New Territories
Total
(A) Road Works Carried Out
New roads completed (miles)
(B) Drainage Works Carried Out
0.51
0.24
0.75
New drains laid (ft.)
...
•
4,480
18,425 30,779 53,684
(C) Sewage Laboratory
No. of samples of sewage and seawater, etc., collected for analysis No. of tests carried out
...
...
...
3,438 12,858
(D) Production in Government Quarries
Mainland
Island
•
Total
Mainland
Island
...
Total
...
Total Crushed Stone (Tons)
1968-69
1969-70
1970-71 1971-72 1972-73
64,855 81,750 133,720
133,720 173,440
173,440 198,340 47,816 49,249 111,470 133,650 202,990
112,671 130,999 245,190 307,090 401,330
Bitumen-Coated Materials (Tons)
...
67,633 58,792 70,140 110,770 102,909 32,624 29,754 38,270 28,715 33,623
100,257 88,546 108,410 139,485 136,532
Ready-mixed Concrete (Tons)
...
...
23,415 19,464 30,510
Mainland
(E) Materials Testing Laboratories
Tests for compressive strength of concrete cubes
Tests on physical properties of cement Grading and other tests on aggregates Tests on steel and other metals
...
...
...
•
...
Tests on bitumen and bituminous products
Soil tests
:
:
Pipe tests
Miscellaneous tests
...
Total
187
...
...
48,743
950
2,178
14,234
4,012
...
5,963
380
1,898
78,358
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