Sessional_Paper_1914 — Page 55

HONGKONG.

DIAGRAM OF LOW LEVEL DAM UNDER CONSTRUCTION

AT TYTAM TUK SHEWING PROGRESS TO 30TH JUNE, 1914.

Laid before the Legislative Council by Command of His Excellency the Governor, August 20th, 1914.

Draw-off tower

Total length of dam excluding tongue into hillside at ends 1,195 feet.

Overflow, length overall 279 feet

Overflow face

Flood-water channel

Ordnance Datum

'Culverts for stream diversion

DOWN-STREAM ELEVATION OF COMPLETED DAM

130 ft.-

Ordnance Datum

A. F. CHURCHILL,

Director of Public Works.

23-7-14

No.

15

1914

51

igin

su

gro

nd

Excavation to 30th June, 1914, shewn thus:-

Trench completed 225 feet

SECTION THROUGH CENTRE LINE OF DAM

[1

31

Concrete & masonry

77

SCALE 1 inch = 100 Feet,