1953-1954 — Page 88

Public Works Department Annual Report 工務司署年報 All AI Reviewed
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314. Out of a total of 332 samples taken from service reservoirs 316 were of the required standard of purity. The overall percentage of samples showing absence of B. Coli in 100 c.c. was 95%.

315. A total of 808 samples were taken from consumers' taps of which 763 were up to the required standard. The majority of the unsatisfactory samples was due to local defects in the consumers' inside service, principally to contamination in storage tanks.

316. Pumping. The number of gallons pumped during the year as compared with the previous year is as follows:

Total 1953/54 1952/53 Increase Raw Water 3,273 M.G. 2,293 M.G. 980 M.G. Filtered Water 2,482 M.G. 2,457 M.G. 25 M.G. 5,755 M.G. 4,750 M.G. 1,005 M.G.

The total quantity pumped was 21.2% greater than last year.

317. Waste Detection. The necessity for a restricted supply again severely hampered the work of this important branch of the distribution section. Its activities were mainly concerned with tracing visible defects in both public mains and in inside services. Satisfactory progress was, however, made in bringing record plans up to date, and a number of areas were examined in detail.

318. Metered Services. The policy of providing separate meters for individual flats was further pursued. During the year 2,635 additional metered services were installed making a total of 39,625, of which 20,910 are on the Island and 18,715 on the Mainland.

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314. Out of a total of 332 samples taken from service reservoirs 316 were of the required standard of purity. The overall percentage of samples showing absence of B. Coli in 100 c.c. was 95%. 315. A total of 808 samples were taken from consumers' taps of which 763 were up to the required standard. The majority of the unsatisfactory samples was due to local defects in the consumers' inside service, principally to contamination in storage tanks. 316. Pumping. The number of gallons pumped during the year as compared with the previous year is as follows: Total 1953/54 1952/53 Increase Raw Water 3,273 M.G. 2,293 M.G. 980 M.G. Filtered Water 2,482 M.G. 2,457 M.G. 25 M.G. 5,755 M.G. 4,750 M.G. 1,005 M.G. The total quantity pumped was 21.2% greater than last year. 317. Waste Detection. The necessity for a restricted supply again severely hampered the work of this important branch of the distribution section. Its activities were mainly concerned with tracing visible defects in both public mains and in inside services. Satisfactory progress was, however, made in bringing record plans up to date, and a number of areas were examined in detail. 318. Metered Services. The policy of providing separate meters for individual flats was further pursued. During the year 2,635 additional metered services were installed making a total of 39,625, of which 20,910 are on the Island and 18,715 on the Mainland. Page 70:
Baseline (Original)
Pa 314. Out of a total of 332 samples taken from service reservoirs 316 were of the required standard of purity. The overall percentage of samples showing absence of B. Coli in 100 c.c. was 95%. 315. A total of 808 samples were taken from consumers' taps of which 763 were up to the required standard. The majority of the unsatisfactory samples was due to local defects in the consumers' inside service, principally to contamination in storage tanks. 316. Pumping. The number of gallons pumped during the year as compared with the previous year is as follows: Total 1953/54 1952/53 Increase Raw Water Filtered Water 3,273 M.G. 2,482 M.G. 5,755 M.G. 2,293 980 2,457 25 57 4,750 1,005 last year. The total quantity pumped was 21.2% greater than 317. Waste Detection. The necessity for a restricted supply again severely hampered the work of this important branch of the distribution section. Its activities were mainly concerned with tracing visible defects in both public mains and in inside services. Satisfactory progress was, however, made in bringing record plans up to date, and a number of areas were examined in detail. 318, Metered Services. The policy of providing separate meters for individual flats were further pursued. During the year 2635 additional metered services were installed making a total of 39,625, of which 20,910 are on the Island and 18,715 on the Mainland. 70: Page $
2026-05-11 19:57:52 · Baseline
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Pa

314. Out of a total of 332 samples taken from service reservoirs 316 were of the required standard of purity. The overall percentage of samples showing absence of B. Coli in 100 c.c. was 95%.

315. A total of 808 samples were taken from consumers' taps of which 763 were up to the required standard. The majority of the unsatisfactory samples was due to local defects in the consumers' inside service, principally to contamination in storage tanks.

316. Pumping. The number of gallons pumped during the year as compared with the previous year is as follows:

Total

1953/54

1952/53

Increase

Raw Water

Filtered Water

3,273 M.G.

2,482 M.G.

5,755 M.G.

2,293

980

2,457

25

57

4,750

1,005

last year.

The total quantity pumped was 21.2% greater than

317. Waste Detection. The necessity for a restricted supply again severely hampered the work of this important branch of the distribution section. Its activities were mainly concerned with tracing visible defects in both public mains and in inside services. Satisfactory progress was, however, made in bringing record plans up to date, and a number of areas were examined in detail.

318, Metered Services. The policy of providing separate meters for individual flats were further pursued. During the year 2635 additional metered services were installed making a total of 39,625, of which 20,910 are on the Island and 18,715 on the Mainland.

70:

Page $

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