Table 1: Minimum Frequencies of Quality Control Testing / Inspection Product Description Minimum QC Testing / Inspection Frequencies , , Acceptance Criteria Survey Control Survey control accuracy On-going verification methods of accuracy during lay-out (ie closure into known x, y z coordinates etc) SS 145 Benchmark Level loops: 2nd order: ±0.008 m √km Layout level loops: 3rd order: ±0.024 m √km Control Line Traverse: 1:10,000. Survey/Layout Staking accuracy 1 per 20 stakes Appendix - Survey Layout Services and Products Machine Controlled Grading Grading accuracy Verification to Drawings, lines and grades every 100 metres Appendix - Survey Layout Services and Products Traffic Control / Management On-going monitoring during active work, spot check after hours. SS 194 & SPs Concrete Roadside Barrier Per SS 941 Materials and Concrete tests per SS 211, with all plastic concrete tests performed on each batch of concrete Per SS 941 Bridge End Fill ASTM C 117, Sieve Analysis of Aggregates by Washing 1 per 750 m3 SS 201 Roadway Aggregate Quality (other than gradation and fracture) ASTM D 2419 Sand Equivalent 1 per aggregate source SS 202 D 6928 Micro Deval 1 per aggregate source SS 202 ASTM C 88 Mg SO4 Soundness 1 per aggregate source, if Micro Deval fails SS 202 SS 202 Appendix 2 - Petrographic Analysis Test 1 per source if the aggregate fails any of the above three tests To the satisfaction of the Ministry Representative Add’l test for High Fines Surfacing Aggregate ASTM D 4318 Plastic Limit 1 per aggregate source SS 202 During all Roadway Aggregate Production ASTM C 117, Sieve Analysis of Aggregates by Washing 1 per 300 t or part thereof of production SS 202 or SS 531 SS 202 Appendix 1 - Fracture Count on Coarse Aggregate (BCH 1-13) 1 for every second sample of washed sieve test for base aggregates SS 202 or SS 531 During Barge Loading ASTM C 117, Sieve Analysis of Aggregates by Washing 1 per 2,000 t of production barge loading SS 202 or SS 531
SS 202 Appendix 1 - Fracture Count on Coarse Aggregate (BCH 1-13) 1 for every second sample of washed sieve test for base aggregates Compaction: Embankment ASTM D 698 Standard Test Method for Laboratory Compaction 1 per material, or a variance of the material type. To Ministry Representative's satisfaction ASTM D 2922 Density of Soil and Soil-Aggregate in Place by Nuclear Methods 4 tests per 20m per lift (2 at randomly selected locations and 2 within 0.5m of the left and right edges. SS 201 Control Strip (see Appendix – Control Strip Compaction Method) 1 per material, or a variance of the material type, as required by the Ministry Representative To Ministry Representative's satisfaction Proof Roll As required by the Ministry Representative To Ministry Representative's satisfaction Bridge End Fill ASTM D 698 Standard Test Method for Laboratory Compaction 1 per 5,000 m3 ASTM D 2922 Density of Soil and Soil-Aggregate in Place by Nuclear Methods 1 per 100 m2 of each lift SS 202 Top 300 mm of Subgrade ASTM D 698 Standard Test Method for Laboratory Compaction 1 per material, or a variance of the material type ASTM D 2922 Density of Soil and Soil-Aggregate in Place by Nuclear Methods 4 tests per 20m per lift (2 at randomly selected locations and 2 within 0.5m of the left and right edges. SS 201 Base and aggregates ASTM D 698 Standard Test Method for Laboratory Compaction 1 per 25,000 m3 of each type of material and whenever the accepted gradation curve is changed. SS 202 ASTM D 2922 Density of Soil and Soil-Aggregate in Place by Nuclear Methods 4 tests per 20m per lift (2 at randomly selected locations and 2 within 0.5m of the left and right edges. SS 202