HOLD POINTS The following is a summary of Hold Points referenced in this Part: CLAUSE REF. HOLD POINT RELEASE RESPONSIBILITY MAXIMUM RESPONSE TIME 2.0 Submission of Quality Plan (if not provided previously) Superintendent 20 working days 4.1.1 Submission of the details of Nominated Mixes and Certificate(s) DPTI 20 working days 4.1.2 Submission of Job Mix Formula DPTI 15 working days 4.1.4 Submission of mix data from a mobile plant DPTI As required VERIFICATION REQUIREMENTS AND RECORDS Test Records & Verification for Asphalt Mix Design Initial Assessment The Contractor must undertake the testing specified in this Part & Table R27B(d) and must supply written evidence of compliance. Test Records & Verification for Plant Production The Contractor must undertake the testing specified in this Part and Table 12.2 this Clause and must supply written evidence of compliance within the Lot Package. TABLE 12.2 - PLANT PRODUCTION TESTING CLAUSE REF. SUBJECT PROPERTY TEST PROCEDURE TEST FREQUENCY ACCEPTANCE LIMITS 5.2 Controls Temperature at manufacture Thermometer reading or infrared gun Each truckload Clause 5.2 "Manufacturing Controls" 6.0 Production Sampling & Testing Binder Content & Combined Grading AS 2891.3.3 Clause 6.1 Refer Clause 4.3, 4.4, 4.6 & 4.7 and Asphalt Mix Design Assessment Bulk Density AS 2891.9.2 AS 2891.9.3 Refer Clause 6.1 Report Only Absorption of Compacted Specimens AS 2891.9.2 Refer Clause 6.1 ≤ 2.0% for AC20 ≤ 1.0% for SMA Maximum Density AS 2891.7.1 Refer Clause 6.1 Report Only Voids on Compacted Specimens AS 2891.8 Clause 6.1 Refer Clause 4.3, 4.4, 4.6 & 4.7 and Asphalt Mix Design Assessment Binder Film Index (BFI) (1) AS 2891.8 Refer Clause 6.1 Refer Clause 4.3, 4.4 & 4.7 Indirect Tensile Strength (ITS) TP 460 Refer Clause 6.1 Clause 4.3 (1) Absorption for RAP component assumed to be zero.
Other design characteristics To assess conformity As detailed in quality plan Suitability of delivery vehicles by visual assessment To check adequacy of insulation to first use and in case of doubt Cleanliness of delivery vehicles by visual assessment To contamination Every load prior to loading1 TABLE R27A(d) - PLANT CALIBRATION REQUIREMENTS ITEM OF INSPECTION/TEST PURPOSE MINIMUM FREQUENCY Weighing equipment Visual inspection To ascertain that weighing equipment is functioning correctly Daily Testing of weighing accuracy To ensure accuracy within quality plan requirements a) On installation (3) b) Annually c) In case of doubt Admixture dispensers Organoleptic inspection To ascertain that the dispenser is functioning correctly First batch of the day containing admixture Test for accuracy To ensure accuracy within quality plan requirements a) On installation (3) b) Annually c) In case of doubt Flow meters Comparison of the actual amount with the metered amount by reconciliation To ensure accuracy within quality plan requirements a) On installation (3) b) Annually c) In case of doubt Batching system (on batch plants) Comparison of actual mass of constituents in the batch with the intended mass using the method prescribed in the quality plan To ascertain the batching accuracy in accordance with the quality plan a) On installation (3) b) Annually c) In case of doubt Proportioning system (on continuous plants) Comparison of actual mass in a measured period of time with the intended mass using the method prescribed in the quality plan To ascertain the accuracy in accordance with the quality plan a) On installation (3) b) Annually c) In case of doubt Temperature Monitoring equipment Visual To ascertain the equipment is functioning correctly Daily Test of accuracy To ensure correct temperatures are recorded a) On installation(3) b) Annually c) In case of doubt (3) or after comprehensive repair. ATTACHMENT R27B ASSESSMENT AND REGISTRATION OF ASPHALT MIX DESIGNS SUBMISSION
Materials for Asphalt Aggregate, Sands & Mineral Filler Clause 3.1 Refer Clause 3.1 Refer Clause 3.1 Hydrated Lime Refer Clause 3.1 Refer Clause 3.1 Refer Clause 3.1 3.2 Reclaimed Asphalt Pavement Material (RAP) Binder Content (wash out) & Grading AS 2891.3.3 Refer Clause 3.2 Report Only Asphalt Binder Viscosity TP 664 Refer Clause 3.2 Report Only Moisture Content AS 1289.B1.3 Refer Clause 3.2 Report Only 4.0 Mix Requirements Total Absorption by Combined Agg. AS 2891.9.2 Attachment R27B Report Only Mix Design Proportions Refer PC044 Attachment R27B Report Only Binder Content & Combined Grading AS 2891.3.3 Attachment R27B Refer Clause 4.3, 4.4, 4.6 & 4.7 and Asphalt Mix Design Assessment Bulk Density AS 2891.9.2 AS 2891.9.3 Attachment R27B Report Only Absorption of Compacted Specimens AS 2891.9.2 Refer Table 6.1 ≤ 2.0% for AC20 ≤ 1.0% for SMA Maximum Density AS 2891.7.1 Attachment R27B Report Only Voids on Compacted Specimens AS 2891.8 Attachment R27B Refer Clause 4.3, 4.4, 4.6 & 4.7 and Asphalt Mix Design Assessment Void in Mineral Aggregate (VMA) AS 2891.8 Attachment R27B Clause 4.3 & 4.4 Tensile Strength Ratio (TSR) AGPT/T232 Attachment R27B Refer Clause 4.3 & 4.4 Binder Film Index (BFI) AS 2891.8 Attachment R27B Refer Clause 4.3 & 4.4 Indirect Tensile Strength (ITS) TP 460 Attachment R27B Refer Clause 4.3 Viscosity of the Binder of the Combined Mix Containing RAP AGPT/T192 Attachment R27B Refer Clause 4.5 DPTI will compare the mix design and test results submitted with the requirements contained in: Parts R15 & R27. AS 2150, Sections 4, 5 and 6. AGPT04B-14 Guide to Pavement Technology – Part 4B: Asphalt.