Q 111
P.W.E. New Kowloon
The Conduit has been provided with suitable overflows, sand pits and washout pipes, and has a uniform fall of 1 in 1,600.
South Tunnel.-This Tunnel was 'holed' on 4th July or about 19 months after driving was commenced, at a point 2,300 ft. from the South end and 2,350 ft. from the North end.
The rock throughout was of excellent quality and no lining has been required. It is possible however that atmospheric influence on the rock may in the future have a softening effect and that a certain amount of lining may be found necessary.
The Tunnel is of the same sectional area as the North Tunnel and has an average gradient of 1 in 2,300. The invert has been graded smooth with a minimum of 3" cement concrete.
All four tunnel portals have been finished in granite ashlar.
Outlet Cut and Gauge Basin at Shek Lei Pui.-The outlet cut has a length of 245 ft. and traverses a short valley in which a fair amount of subsoil water was encountered.
A catchwater has been constructed on both sides of the outlet cut and also above the Tunnel portal to protect the works from the effects of heavy rainstorms.
The Gauge Basin is of granite ashlar on a cement concrete foundation. A 10 ft. rectangular gauge has been provided—capable of measuring up to 40 million gallons per day.
The Gauge sill level is 483.00 A.O.D. and the delivery discharges direct into the reception Reservoir which has a Top Water Level of 480.00 A.O.D.
1926 Estimates, $600,000.00 Total Estimates $1,100,000.00
1926 Expenditure, $597,911.77 Total Expenditure, $1,047,820.21
(h.) Harbour Pipe.-This was referred to in paragraph 224 (j) of last year's Report.
No work has been carried out under this heading during the year.
Only Crown Agents charges in connection with the Consulting Engineer's work have been incurred.
1926 Estimates, $10,000.00 Total Estimates, $350,000.00
1926 Expenditure, $1,185.76 Total Expenditure $1,244.41
(i.) Access Road Tsun Wan to Pine-Apple Pass.-This work was referred to in paragraph 224 (b) of last year's Report.
The work was completed and the retention money paid to the Contractor before the close of the year.
Q 111
P.W.E. New Kowloon
The Conduit has been provided with suitable overflows, sand pits and washout pipes, and has a uniform fall of 1 in 1,600.
South Tunnel.-This Tunnel was 'holed' on 4th July or about 19 months after driving was commenced, at a point 2,300 ft. from the South end and 2,350 ft. from the North end.
The rock throughout was of excellent quality and no lining has been required. It is possible however that atmospheric influence on the rock way in the future have a softening effect and that a certain amount of lining may be found necessary.
The Tunnel is of the same sectional area as the North Tunnel and has an average gradient of 1 in 2,300. The invert has been graded smooth with a minimum of 3" cement concrete.
All four tunnel portals have been finished in granite ashlar.
Outlet Cut and Gauge Basin at Shek Lei Pui.-The outlet cut has a length of 245 ft. and traverses a short valley in which a fair amount of subsoil water was encountered.
A catchwater has been constructed on both sides of the outlet cut and also above the Tunnel portal to protect the works from the effects of heavy rainstorms.
The Gauge Basin is of granite ashlar on a cement concrete foundation. A 10 ft. rectangular gauge has been provided— capable of measuring up to 40 million gallons per day.
The Gauge sill level is 483.00 A.O.D. and the delivery discharges direct into the reception Reservoir which has a Top Water Level of 480.00 A.O.D.
1926 Estimates, $600,000.00 Total Estimates $1,100.000.00 1926 Expenditure, $597,911.77 Total Expenditure, 1,047,820.21
(h.)Harbour Pipe.-This was referred to in paragraph 224 (j) of last year's Report.
year.
No work has been carried out under this heading during the
Only Crown Agents charges in connection with the Consult- ing Engineer's work have been incurred.
·
1926 Estimates, $10,000.00 Total Estimates, $350,000.00 1926 Expenditure, $ 1,185.76 Total Expenditure $ 1,244.41
(i.) Access Road Tsun Wan to Pine-Apple Pass.-This work was referred to in paragraph 224 (b) of last year's Report.
The work was completed and the retention money paid to the Contractor before the close of the year.
No comments yet.
Private notes are available after approval.