3.6 Select pH AS 1289.4.3.1 1 test per 400 between 5 10 – backfill in metres contact with Resistivity AS 1289.4.4.1 1 test per 400 > 3 000 (ohm.cm). steel when cubic metres structure is subject to SO4 content AS 1289.4.2.1 1 test per 500 < 500 (mg/kg) inundation cubic metres TP 320 Refer Clause 5.4 4 Wall Backfill Not less than 95%. Construction Compaction Position of Survey Certificate in Refer Part CH30 Refer Clause 5.1 Levelling Pads accordance with "Levelling Pads" Part CH30 "Survey" Position at Survey Certificate in Refer Part CH30 Table 5.5 completion of accordance with each row Part CH30 "Survey" Panel Position at Survey Certificate in Refer Part CH30 Refer Table 5.5 completion of accordance with wall Part CH30 "Survey" ____________
3.6 Select backfill in contact with steel when structure is subject to inundation pH AS 1289.4.3.1 1 test per 400 metres between 5 – 10 Resistivity AS 1289.4.4.1 1 test per 400 cubic metres > 3 000 (ohm.cm). SO4 content AS 1289.4.2.1 1 test per 500 cubic metres < 500 (mg/kg) 4 Wall Construction Backfill Compaction TP 320 Refer Clause 5.4 Not less than 95%. Position of Levelling Pads Survey Certificate in accordance with Part CH30 "Survey" Refer Part CH30 Refer Clause 5.1 "Levelling Pads" Position at completion of each row Survey Certificate in accordance with Part CH30 "Survey" Refer Part CH30 Table 5.5 Panel Position at completion of wall Survey Certificate in accordance with Part CH30 "Survey" Refer Part CH30 Refer Table 5.5 ____________
Part_S20_Reinforced_Soil_Structures_May_2008.docx