Thogan
3 -
HONGKONG.
DIAGRAM OF LOW LEVEL DAM UNDER CONSTRUCTION AT TYTAM TUK SHEWING PROGRESS TO 31ST DECEMBER, 1915.
Laid before the Legislative Council by Command of IIis Excellency the Governor, February 24th, 1916.
Draw-off tower
Total length of dam excluding tongue into hillside at ends 1195 feet-
Overflow length overall 279 feet
Ordnance Datum
·Culverts for stream diversion
Ordnance Datum
W. CHATHAM
DIRECTOR OF PUBLIC WORKS
Overflow Face
Flood-water channel-
DOWN - STREAM ELEVATION OF COMPLETED DAM
original
Concrete & Masonry, 31st December 1915
Ground
Surface
SECTION THROUGH CENTRE LINE OF DAM
SCALE I INCH - 100 FEET
Excavation to 31st December 1915 shewn thus:- Concrete & Masonry
6
-49 Feet
120 Feet
Origina!
-41 Feet
Progress
31st Dec. 1915
No.
2
1916
Ground
Ordnance Valum
109% Feet
CROSS SECTION ON LINE A-B
SCALE I INCH=30 FEET
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