Sessional_Paper_1912 — Page 31

HIGH WATER ORDINARY SPRING TIDES

LOW WATER ORDINARY SPRING TIDES

HONGKONG.

DIAGRAM OF THE MONG-KOK-TSUI BREAKWATER SHOWING PROGRESS

OF STONE DEPOSITING TO 31ST DECEMBER, 1911.

Laid before the Legislative Council by Command of His Excellency the Officer Administering the Government, April 15th, 1912.

44' 3,

AVERAGE HEIGHT OF STONE DEPOSITED TO 31st DECEMBER, 1911.

8' 0'

00

AVERAGE

LEVEL

OF

BOTTOM

OF DREDGED

TRENCH

„0,8

192' 0"

HIGH WATER ORDINARY SPRING TIDES

LOW WATER ORDINARY SPRING TIDES

MUD LEVEL

13th January, 1912.

Ft. 10 6 0 10 20

SCALE 1 INCH-20 FEET 30 40

50

60

80.

100 Ft.

Total Area of Average Cross Section of Breakwater shewn above 4,790 Sq. Ft. Area of Stone Deposited to 31st December, 1911

=1,424

"

"7

Proportion of Stone Area to Total Area of Cross Section=

29%

MUD LEVEL

27

W. CHATHAM,

Director of Public Works,