7.30 It has been found that the availability of aerial photography has resulted in a demand for this facility, from all offices interested in engineering and land development, far in excess of that anticipated. In addition, requests for air photography have arisen in connection with those projects being dealt with by several firms of Consulting Engineers appointed by Government, and this too has placed an increased work-load on the limited air survey and reprographic staff available at present.
7.31 Local Professional and Assistant Professional Land Survey Staff have been undergoing training in the operation of the RC10 camera during the latter half of the year and this will continue until the Air Survey Unit has a number of navigator/camera operators capable of performing this work. Navigation of the 'Islander' aircraft during photographic runs has been greatly assisted since the installation of the NF2 Navigation Sight in January.
7.32 Draft proposals for a new Photogrammetric Plotting Contract were circulated to a number of international air survey firms, and it is expected that tenders for this contract will be called later in 1973.
Cartography
7.33 Work at the two basic scales of 1/600 and 1/1,200 for basic mapping was restricted during the year to the addition of metric grids and conversion tables, and revision work to existing master transparencies. The cartographic specification and design of sheet format for the proposed new 1/750-1/1,000 dual-scale series was virtually completed.
7.34 Some of the pressure on the Cadastral and Land Registration Plan sections showed a small but welcome decrease during the year. This respite enabled staff on loan from other sections to return to their normal duties and enabled some redrawing of Land Records to proceed.
7.35 The 1/2,400 series was maintained on a revision basis during the year. Production of 1/4,800 sheets therefrom ceased pending a decision to adopt 1/5,000 scale.
7.36 The first pilot sheet at 1/5,000 is virtually completed. This series will be produced by direct photo-reduction of the 1/2,400 series with new contours at 10 m. vertical interval. Full production for the urban areas will commence during the next year.
90
7.30 It has been found that the availability of aerial photography has resulted in a demand for this facility, from all offices interested in engineering and land development, far in excess of that anticipated. In addition, requests for air photography have arisen in connection with those projects being dealt with by several firms of Consulting Engineers appointed by Government, and this too has placed an increased work-load on the limited air survey and reprographic staff available at present.
7.31 Local Professional and Assistant Professional Land Survey Staff have been undergoing training in the operation of the RC10 camera during the latter half of the year and this will continue until the Air Survey Unit has a number of navigator/camera operators capable of performing this work. Navigation of the 'Islander' aircraft during photographic runs has been greatly assisted since the installation of the NF2 Navigation Sight in January.
7.32 Draft proposals for a new Photogrammetric Plotting Contract were circulated to a number of international air survey firms, and it is expected that tenders for this contract will be called later in 1973.
Cartography
7.33 Work at the two basic scales of 1/600 and 1/1,200 for basic mapping was restricted during the year to the addition of metric grids and conversion tables, and revision work to existing master trans- parencies. The cartographic specification and design of sheet format for the proposed new 1/750-1/1,000 dual-scale series was virtually completed.
7.34 Some of the pressure on the Cadastral and Land Registration Plan sections showed a small but welcome decrease during the year. This respite enabled staff on loan from other sections to return to their normal duties and enabled some redrawing of Land Records to proceed.
7.35 The 1/2,400 series was maintained on a revision basis during the year. Production of 1/4,800 sheets therefrom ceased pending a decision to adopt 1/5,000 scale.
7.36 The first pilot sheet at 1/5,000 is virtually completed. This series will be produced by direct photo-reduction of the 1/2,400 series with new contours at 10 m. vertical interval. Full production for the urban areas will commence during the next year.
90
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