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Geotech Report - Acid Sulfate Soil Assessment
Attached to the e-mail Operation Works Application - OPW19/0266 - 215 David Low Way, Peregian Beach - (EMAIL 2/3) - Site Based Stormwater Management Plan, Acid Sulphate Soil & Groundwater Management Plan.
5.3 Neutralisation of Disturbed ASS The calculated liming rate for the natural silty clay soils based on the results of the Chromium Suite results is given in Table 3 (and on the laboratory report sheets included in Appendix B) and is 2 kg of ag-lime/tonne of dry natural silty clay soils, based on a factor of safety of 1.5 and the use of good quality fine ag-lime with a neutralising value of 100 %. It is suggested that consideration be given to the adoption of a neutralising value of 80 % in calculation of the required liming rate to allow for potential inconsistencies in the quality of the ag-lime. The calculated liming rate using a neutralising value of 80 % for the ag-lime would be approximately 3 kg dry natural silty clay soils. BUTLER PARTNERS PTY LTD Reviewed by BRUCE BUTLER MIKE NEIGHBOUR Principal Principal Residential Development Page 10 of 10 215-219 David Low Way, Peregian Beach Project No. 07160 18 June 2007
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