Response to Information Request - Received on 19/04/2012 · OPW11/0335

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TABLE OF CONTENTS
                                                                                                                                                             Page No

SECTION 1.INTRODUCTION........................................................................................................................1
                     1.1               Project.................................................................................................................1
                     1.2               Proposed Scope of Work                  ................................................................................
                                                                                                                                                               ....1
                     1.3               Commission          ........................................................................................................
                                                                                                                                                                   1

SECTION 2 THE SITE...................................................................................................................................2
                 -




                     2.1               Site Description                                                                                   .........................2
                                                                 ..........................................................................




                     2.2               Geology      ....................................................................................................
                                                                                                                                                         ...........3
                     2.3               ASS Mapping           .............................................................................................
                                                                                                                                                           .........3

SECTION 3 FIELDWORK
                 .
                                                                      ...............................................:.............................................4
                                       ................................




                     3.1               Drilling and Sampling Methods............................................................................4
                     3.2               Bore Locations and Supervision..........................................................................4

SECTION 4 INVESTIGATION RESULTS .....................................................................................................5
                 .




                     4.1               Results     ............................................................................................................
                                                                                                                                                               ....5
                     4.2               Subsurface Conditions                                                                                         .............5
                                                                           ...........................................................................




                     4.3               Groundwater .....................................................................................,.................5
                     4.4               Laboratory Testing ..............................................................................................5
                                       4.4.1      Screening Tests .......................................................................................5
                                       4.4.2      Chromium Suite Analysis.........................................................................8

SECTION 5 COMMENTS ..............................................................................................................................9
                 -




                     5.1               Assessment Criteria for Acid Sulfate Soils ..........................................................9
                     5.2               Acid Sulfate Soils ................................................................................................9
                     5.3               Neutralisation of Disturbed ASS ........................................................................10


                     TABLES:
                     Table 1: Observed Groundwater Depths/Reduced Levels During Drilling .................................5

                     Table 2: Summary of Screening Test Results............................................................................6

                     Table 3: Summary of Laboratory Results ..................................................................................8

                     Table 4: Action Criteria Based on ASS Analysis for Three Broad Texture Categories...............9


                     ATTACHMENTS:

                     Drawing No. 1                Locality Plan & Test Locations


                     Appendix A                   Bore Reports with Explanatory Notes

                     Appendix B                   Laboratory Report Sheets
                     Appendix C                   Draft Acid Sulfate Soil Management Plan




Residential Development
215-219 David Low Way, Peregian Beach
Project No. 07160                                                                                                                                          18 June 2007