Sessional_Paper_1916 — Page 46

·Draw-off tower

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41-

HONGKONG.

DIAGRAM OF LOW LEVEL DAM UNDER CONSTRUCTION AT TYTAM TUK SHEWING PROGRESS TO 30TH JUNE, 1916.

Laid before the Legislative Council by Command of His Excellency the Governor, August 3rd, 1916.

No. 16

10 1916

Total length of dam excluding tongue into hillside at ends 1195 feet

Overflow length overall 279 feet☀

Overflow face

Flood-water Channel

Ordnance Datum

Culverts for stream diversion

Ordnance Datum

W.CHATHAM

DIRECTOR OF PUBLIC WORKS

DOWN - STREAM ELEVATION OF COMPLETED DAM

--120 feet

-84 feet-

Son June 1916

Original

Surface

Ground

Ordnance Dałym

Concrete

Be

Masonry 30th

June 1916.

(Temporary Overflow

origin

Ground

surf

SECTION THROUGH CENTRE LINE OF DAM

SCALE | INCH 100 FEET

Excavation to 30TH June 1916 Shewn thus:- Concrete & Masonry »

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- 109/2 feet —

CROSS SECTION ON LINE A-B

SCALE I INCH=30 FEET