[ 11 ]
Plans were prepared as follows:-
Land Sales
J
leases
31
surrenders
Survey sheets traced
Sunprints prepared
18 sets
25
JJ
10
2)
34
Jy
7,812
3,079
Miscellaneous plans & tracings
Plans supplied to Government Departments comprised:--
Survey sheets
Miscellaneous prints
436
865
Prints supplied to the Public numbered 156 which sold for $4,520.50.
One section of the new printing equipment arrived from the United Kingdom and was installed in February, 1948. By 31st March, 1948, 318 copies of survey sheets had been reproduced mainly for Government Departments.
Surveys.
63. (1) Trigonometrical Surveys:-The inspection, rebuilding and repairing of main and minor triangulation beacons and a reconstruction and amplification of lost minor triangulation records was undertaken.
(a) There are 69 beacons in the Main Triangulation system. Since 1946 to date a total of 37 main beacons has been inspected and 9 others observed but not visited. Of the 37 inspected, 19 required rebuilding or repairing of which 14 have received attention.
(b) Of the 10 Main Triangulation stations inspected, it was found that seven required rebuilding or repairing. Station No. 98 was observed but not visited. Main beacons Nos. 6, 8, 15, 34 and 114 have been rebuilt, whilst Nos. 4, 18, 19, 23 and 38 have been repaired.
(c) In the Minor Triangulation System there are at present about 120 beacons. Since 1946 to date, 50 No. have been revalued by triangulation, 62 No. have been inspected and two others have been observed as existing but not visited.
(d) Of the 62 inspected, 18 required rebuilding or repairing, of which 16 have received attention. Consideration is further required for the improvement of Markstones at Kai Lung Wan Cemetery, Pokfulam Reservoir and B.P. No. 19 at Razor Hill.
(e) The following 18 Minor Triangulation Stations were inspected:-Tsing Lung Tau, Sham Tseng, P.W.D. Shatin, Nos. 82, 85, 86, 89, 91a, 108, R4, R5, R6, R7, R9, R26, R27, K.W.W.15 and T7. Of these, three required rebuilding and one required re-locating. Two minor stations were observed but not visited.