When a system is designed from scratch or if new blocks are designed, a bill of quantities is supplied along with the irrigation design plan. If the company that designed the system is delivering the materials as well, the bill of quantities is used to check and...
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Plant Population Calculations
Calculating Plant Population per Hectare. Plant spacing: 6m x 2m Calculating Area per Plant 6m x 2m =12m2 per plant Calculating Plant Population per Hectare. Area of a hectare / Area per plant 10,000m2 / 12m2 = 833 plants per hectare Calculating Plants...
Irrigation Block Information
On the irrigation design plan information concerning each block is given in a table that shows the block number, area, spacing, emitter delivery and application rate. Block Information on Irrigation Design Plan. Block Area...
Pipe Notations
The notations next to the different sections of pipes indicate the pipe size and class for that particular section of pipe, and the length of the pipe. Using the notation of 110/6-175 for the mainline in the table above as an example, the 110/6 indicates the pipe size...
Symbols associated with an irrigation plan
On an irrigation design plan symbols or different colours are used to depict the various pipes, valves and other features. Usually, a key is provided with the symbols and their meaning. It may be that some symbols are not the same on some irrigation plans. In the...