1933 — Page 90

Public Works Department Annual Report 工務司署年報 All AI Reviewed

Main Traverse.-The following new traverses were run:

Locality. Length
in ft. Angular
Misclose. Linear
Misclose. St. 29 near Upper Peak Tram-Peak Road--May Road-Brewin Path Trig. 6,310 17" 1 in 6090 St. 7 Repulse Bay to St. 24 Stanley Gap 5,537 14" 1 in 8260 St. 24 Stanley Gap to Stanley Police Station 5,412 14" 1 in 6410 Wanchai Gap to Aberdeen 10,000 1′20′′ 1 in 11000 St. 5 in main traverse No. 21 to St. 3 in main traverse No. 1 12,100 30" 1 in 26630 St. 16 in main traverse No. 15 to St. 5 in main traverse No. 21 19,311 1'14" 1 in 10600 St. 5 in main traverse No. 21 to St. 16 in main traverse No. 15... St. 7 in main traverse No. 22 to Tates Cairn (Trig.) 7,385
10,950 50"
2′00′′ 1 in 8500
1 in 9950 Tates Cairn Trig. to St. 14 in main traverse No. 17 13,600 2'00" 1 in 9000 St. 62 in main traverse No. 16 to St. 24 in main traverse No. 16... 13,082 40" 1 in 12400

In addition, six minor traverses were run, the errors being well within the prescribed limits.

GENERAL.

29. Nineteen Colony Sheets were taken up during the period under review. The 1:20000, 1:2400, and 1:10000 (map of Hong Kong and Kowloon) were corrected and the "Victoria" brought up to date. Various small surveys were made and plans prepared for the Police Department in connection with criminal cases. The annual perambulation of the Sino-British boundary was made for the inspection of boundary marks.

LEVELLING.

30. Considerable progress has been made with the levelling of the Colony, which, with the exception of a few short lines in outlying districts, has been completed. A detailed report with value of all bench marks is now in course of preparation. The following tabulated statement shows some of the work done during the year:

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88 Main Traverse.-The following new traverses were run: Locality. Lengthin ft. AngularMisclose. LinearMisclose. St. 29 near Upper Peak Tram-Peak Road--May Road-Brewin Path Trig. 6,310 17" 1 in 6090 St. 7 Repulse Bay to St. 24 Stanley Gap 5,537 14" 1 in 8260 St. 24 Stanley Gap to Stanley Police Station 5,412 14" 1 in 6410 Wanchai Gap to Aberdeen 10,000 1′20′′ 1 in 11000 St. 5 in main traverse No. 21 to St. 3 in main traverse No. 1 12,100 30" 1 in 26630 St. 16 in main traverse No. 15 to St. 5 in main traverse No. 21 19,311 1'14" 1 in 10600 St. 5 in main traverse No. 21 to St. 16 in main traverse No. 15... St. 7 in main traverse No. 22 to Tates Cairn (Trig.) 7,38510,950 50"2′00′′ 1 in 85001 in 9950 Tates Cairn Trig. to St. 14 in main traverse No. 17 13,600 2'00" 1 in 9000 St. 62 in main traverse No. 16 to St. 24 in main traverse No. 16... 13,082 40" 1 in 12400 In addition, six minor traverses were run, the errors being well within the prescribed limits. GENERAL. 29. Nineteen Colony Sheets were taken up during the period under review. The 1:20000, 1:2400, and 1:10000 (map of Hong Kong and Kowloon) were corrected and the "Victoria" brought up to date. Various small surveys were made and plans prepared for the Police Department in connection with criminal cases. The annual perambulation of the Sino-British boundary was made for the inspection of boundary marks. LEVELLING. 30. Considerable progress has been made with the levelling of the Colony, which, with the exception of a few short lines in outlying districts, has been completed. A detailed report with value of all bench marks is now in course of preparation. The following tabulated statement shows some of the work done during the year: Page 90 Page 91

Baseline (Original)

88 Main Traverse.-The following new traverses were run: Locality. St. 29 near Upper Peak Tram- Peak Road--May Road-Brewin Path Trig. Length Angular Linear in ft. Misclose. Misclose. 6,310 17" 1 in 6090 St. 7 Repulse Bay to St. 24 Stanley Gap 5,537 14" 1 in 8260 St. 24 Stanley Gap to Stanley Police Station 5,412 14" 1 in 6410 Wanchai Gap to Aberdeen 10,000 1′20′′ 1 in 11000 St. 5 in main traverse No. 21 to St. 3 in main traverse No. 1 12,100 30" 1 in 26630 St. 16 in main traverse No. 15 to St. 5 in main traverse No. 21 ... 19,311 1'14" 1 in 10600 St. 5 in main traverse No. 21 to St. 16 in main traverse No. 15... St. 7 in main traverse No. 22 to Tates Cairn (Trig.)................ 7,385 50" 1 in 8500 10,950 2′00′′ 1 in 9950 Tates Cairn Trig. to St. 14 in main traverse No. 17 13,600 2'00" 1 in 9000 St. 62 in main traverse No. 16 to St. 24 in main traverse No. 16... 13,082 40" 1 in 12400 In addition, six minor traverses were run, the errors being well within the prescribed limits. GENERAL. 1 and thirty two 600 29. Nineteen Colony Sheets taken up during the period under review. The 1 20000 were 1 2400 sheet No. 19 10000 (map of Hong Kong and Kowloon) was corrected and the 1 "Victoria" brought up to date. Various small surveys were made and plans prepared for the Police Department in connection with criminal cases. The annual perambulation of the Sino-British boundary was made for the inspection of boundary marks. LEVELLING. 30. Considerable progress has been made with the levelling of the Colony, which, with the exception of a few short lines in outlying districts, has been completed. A detailed report with value of all bench marks is now in course of preparation. The following tabulated statement shows some of the work done during the year: Page 90Page 91

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Main Traverse.-The following new traverses were run:

Locality.

St. 29 near Upper Peak Tram-

Peak Road--May Road-Brewin Path Trig.

Length Angular

Linear

in ft. Misclose. Misclose.

6,310

17" 1 in 6090

St. 7 Repulse Bay to St. 24 Stanley

Gap

5,537

14" 1 in 8260

St. 24 Stanley Gap to Stanley

Police Station

5,412

14"

1 in 6410

Wanchai Gap to Aberdeen

10,000

1′20′′

1 in 11000

St. 5 in main traverse No. 21 to St.

3 in main traverse No. 1

12,100

30" 1 in 26630

St. 16 in main traverse No. 15 to

St. 5 in main traverse No. 21 ... 19,311

1'14" 1 in 10600

St. 5 in main traverse No. 21 to St. 16 in main traverse No. 15... St. 7 in main traverse No. 22 to

Tates Cairn (Trig.)................

7,385

50" 1 in 8500

10,950

2′00′′ 1 in 9950

Tates Cairn Trig. to St. 14 in main

traverse No. 17

13,600

2'00"

1 in 9000

St. 62 in main traverse No. 16 to St. 24 in main traverse No. 16...

13,082

40"

1 in 12400

In addition, six minor traverses were run, the errors being

well within the prescribed limits.

GENERAL.

and thirty two

600

29. Nineteen Colony Sheets

taken up during the period under review. The 1

20000

were

2400

sheet No. 19

10000

(map of Hong Kong and Kowloon) was corrected and the 1 "Victoria" brought up to date. Various small surveys were made and plans prepared for the Police Department in connection with criminal cases. The annual perambulation of the Sino-British boundary was made for the inspection of boundary marks.

1933 — Page 90

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