We can carry out calculations using our software with input data files provided by users. All of our programs use text-based input data files that can be developed with a text editor program (The files should not include any control or other non-text characters) There is enough information on this web site in the form of sample files and user manuals, to enable input data files to be generated. In the future, we will provide programs that can be downloaded free to check the input data for errors and to calculate the cost of the run.

When we have done the calculations, we will e-mail the results files and any graphical plots that may be generated. Graphical plots can be provided in pdf format files or as jpg files.

The following are the formulae used to determine the cost of using each program. They are subject to revision from time to time.

**Calculation of software run costs for files submitted
by e-mail. Prices are in US$ Total cost includes
plotting of contours and grid and returning plots in .pdf
files, with output file.**

KWIKGRID Model run cost is = A + N x (0.1+P/1000000) x S A is a base cost for each run. N is the final number of conductor segments. P is a the number of potential points calculated. S is a factor related to the ratio of upper and deep layer soil resistivities. If the soil is layered, the calculations are slower. The factor is determined from the ratio of the resistivities to the power 0.25 A = $50.00 Examples of S factor For soil resistivity ratio 1 :1 S = 1.0 For soil resistivity ratio 4 :1 S = 1.4 For soil resistivity ratio 8 :1 S = 1.7 For soil resistivity ratio 16 :1 S = 2.0 For soil resistivity ratio 32 :1 S = 2.4 TACLINK Model run cost = A + N x B A is a base cost for each run. B is cost per node in model. N is number of nodes in model A = $50.00 B = $0.30 CONIND Model run cost = A + 0.2 x N x M A is a base cost for each run. N is number of nodes in model. M is a factor based on the number of different coating resistances used with the MULT parameter. It is determined from the square root of the number of coatings. A = $50.00 Examples of M factor For 1 coating M = 1.0 For 2 coating M = 1.4 For 3 coating M = 1.7 For 4 coating M = 2.0 For 5 coating M = 2.2 For 6 coating M = 2.4 For 7 coating M = 2.6 For 8 coating M = 2.8 For 9 coating M = 3.0 For 10 coating M = 3.2 KWIKGRID EXAMPLES Small model Segments 50 Points 40x30 1200 Soil 1: 1 1.000 Cost $55.06 Medium model Segments 600 Points 100x75 7500 Soil 1: 8 1.682 Cost $158.48 Large model Segments 1800 Points 200x150 30000 Soil 1: 16 2.000 Cost $518.00 TACLINK EXAMPLES Small model Nodes 10 Cost $53.00 Medium model Nodes 150 Cost $95.00 Large model Nodes 500 Cost $200.00 CONIND EXAMPLES Small model Nodes 10 Coatings 1 Cost $52.00 Medium model Nodes 100 Coatings 3 Cost $84.64 Large model Nodes 500 Coatings 8 Cost $332.84

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