![]() soil or geological map showing the topsoil or subsoil encountered at the site land map showing boundaries of properties with different ownerships according to the official register of owners ![]() This can be used for preparation of a project location map, to determine the water catchment area and to serve as a source of information on road connections, etc. contoured sheet of map at a scale of 1:25 000 to 1:50 000. The following maps and data about the site should be gathered to facilitate the preliminary investigations and calculations: Factors to be considered in site selection are described in more detail in Chapter 1 on considerations in the selection of sites for aquaculture (Pillay, 1977). There are both ecological and technological as well as economic and social considerations involved in site selection. Success of the project depends to a large extent on the proper selection of the site. In aquaculture project operations, site selection is of paramount importance. 2.2 Procedures for Preparation of Outline Plan The purpose of an outline plan is to confirm that the proposed project can be economically developed on the selected site, and to investigate and provide all data, calculations and outline plans based on the different investigations required for the project approval and detailed planning. (v) Preparation of tender documents of the project.ĭuring each stage, a number of activities and analyses must be carried out and the findings used to meet the requirements of the subsequent phase, until the project is finally completed. (iv) Preparation of estimates of the project. (iii) Preparation of detailed plan of the project. (ii) Preparation of outline or feasibility plan of the project. At this stage, the production target based on a marketing study, the species to be cultured and the systems of culture to be adopted, the availability of a large enough drainable and accessible land area free from flooding and having adequate soil conditions as well as adequate water source, must all be investigated and determined. This process includes the following stages: Project preparation is usually considered to include all those activities short of a final decision to implement. The purpose of this lecture is to present in simple form the various steps required in preparation of plans, estimates and tender documents for projects and to describe some of the planning procedures that are used in these processes. Inadequate and poor preparation of projects has often caused the final construction cost of the project to be much higher than estimated. It has been increasingly recognized that one of the major difficulties encountered in the implementation of aquaculture development programmes in developing countries is proper project preparation. To contractors they do not mean much profit and they are dispersed and difficult to supervise. In developing countries engineers have frequently neglected these minor works, particularly those required at the farm level. Sometimes, however, the smaller structures, secondary channels, etc., used for aquaculture projects are badly made or omitted entirely from engineering plans. Preparation of Plans and Cost Estimates and Tender DocumentsĤ CONSTRUCTION OF CHIPATA FISH FARM IN ZAMBIAĮngineering planning, design and construction of dams, barrages, pumping stations, etc., is normally carried out with a high degree of efficiency.
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