Electronic Data Collection and Analysis System
Yin Foo, Des; Foley, Margaret
E-Publications; PublicationNT; E-Books; Report ; 39/1992
Made available via the Publications (Legal Deposit) Act 2004 (NT).
Power and Water Authority
Report ; 39/1992
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Technical Report WRD92039 Viewed at 15:07:17 on 29/07/2010 Page 94 of 192. (iii) Documentation of a Handbook describing field procedures should be undertaken. Forrm.:.lation of policy and a convention for equipment setup and operational procedure, and data processing and handling procedures should be addressed by relevant test pumping and professional personnel. Documentation of a this policy should then be undertaken. The following recommendations address issues raised after trialling the first prototype system. This consists of a central loggin'J system which monitors the pumped bore and a "close" observation bore, pump discharge, and barometric pressure. (i) The use of vented or unvented transducers. The "absolute" (or non-vented) transducers initially purchased are no longer available. Any further transducers supplied by the NINDATA company will be "gauge" transducers. recm:rrnended for this The unvented tranducer system prototype was based on the perc:.eved working conditions on site and the need to prov:,de a relatively greater measure of protection for any vented system. Under the system recommended above, the potential for cable damage has been largely eliminated and therefore a vented system would be appropriate. (ii) The measurement of pumped bore drawdown. The "scatter" associated with pumped bore data may be significant and methods for filtering or eliminating this effect should be sought. Methods for isolating pump and motor vibrations should also be investigated. Alternatively, different types of water level sensors should be examined. As a final option, the retrieval of pumped bore data should be maintained at the current manual status.
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