49
P.W.R. Kowloon.
(2). Two small pumps were erected in the Shing Mun Valley below Pineapple Pass to deliver additional water to the Conduit when the main intake was below overflow level. During the year, approximately 10 million gallons were pumped.
(3). On 22nd June, a portable fire pump was hired and used to pump water from the Lai Chi Kok stream to the Kowloon Filter Beds. Pumping continued at intervals until 21st July, when a total of approximately 2 million gallons had been delivered.
(4). Arrangements were under consideration to transport additional supplies by water boat from the temporary Tsun Wan Supply, but fortunately, it was not necessary to do so. A quantity of 1.32 million gallons was actually transported to Kowloon by the Hong Kong & Godown Company for their own use.
Particulars of further measures taken to cope with the water shortage will be found in the Sessional Paper to be published in 1930.
The Paterson Fast Gravity Filtration Plant was put into operation on 10th June and has been in daily use up to the end of the year. This plant supplies Lai Chi Kok Water Boat Dock, Cheung Sha Wan, and Sham Shui Po and has greatly relieved the work of the slow sand filters.
The total quantity of water filtered by this plant during the year was 170.63 million gallons or an average of 0.835 million gallons per day.
Despite the restrictions referred to above, the total consumption for the year is only 14.19 less than that of the previous year when there were no restrictions.
During the year, 1,420.62 million gallons from the Shing Mun River were delivered through the Tunnels into the Reception Reservoir. A large percentage of this quantity, however, was not required and had to be allowed to run to waste.
The total yield of the Shing Mun River for the year, as measured by the recorder at the upper Intake, was 2,517 million gallons compared with 2,962 million gallons in 1928 and 4,576 million gallons in 1927.
The total quantity supplied was 1,232.36 million gallons, giving an average daily consumption of 3.38 million gallons or 19.8 gallons per head per day, based on an estimated population of 170,740. The details are given in Annexe H.