Laserfiche WebLink
2024 Pavement Maintenance Overlay SPECIAL PROVISIONS PW# 3823 56 the material produced after the change will be evaluated on the basis of the new JMF for 1 the remaining sublots in the current lot and for acceptance of subsequent lots. For a lot 2 in progress with a CPF less than 0.75, a new lot will begin at the Contractor’s request 3 after the Engineer is satisfied that material conforming to the Specifications can be 4 produced. 5 6 Sampling and testing for evaluation shall be performed on the frequency of one sample 7 per sublot. 8 9 5-04.3(9)C2 Mixture Nonstatistical Evaluation Sampling 10 Samples for acceptance testing shall be obtained by the Contractor when ordered by the 11 Engineer. The Contractor shall sample the HMA mixture in the presence of the Engineer 12 and in accordance with AASHTO T 168. A minimum of three samples should be taken 13 for each class of HMA placed on a project. If used in a structural application, at least one 14 of the three samples shall to be tested. 15 16 Sampling and testing HMA in a Structural application where quantities are less than 400 17 tons is at the discretion of the Engineer. 18 19 For HMA used in a structural application and with a total project quantity less than 800 20 tons but more than 400 tons, a minimum of one acceptance test shall be performed. In 21 all cases, a minimum of 3 samples will be obtained at the point of acceptance, a 22 minimum of one of the three samples will be tested for conformance to the JMF: 23 24 • If the test results are found to be within specification requirements, additional 25 testing will be at the Engineer’s discretion. 26 • If test results are found not to be within specification requirements, additional 27 testing of the remaining samples to determine a Composite Pay Factor (CPF) shall 28 be performed. 29 30 5-04.3(9)C3 Mixture Nonstatistical Evaluation – Acceptance Testing 31 Testing of HMA for compliance of Va will at the option of the Contracting Agency. If 32 tested, compliance of Va will use WSDOT SOP 731. 33 34 Testing for compliance of asphalt binder content will be by WSDOT FOP for AASHTO T 35 308. 36 37 Testing for compliance of gradation will be by FOP for WAQTC T 27/T 11. 38 39 5-04.3(9)C4 Mixture Nonstatistical Evaluation – Pay Factors 40 For each lot of material falling outside the tolerance limits in 5-04.3(9), the Contracting 41 Agency will determine a Composite Pay Factor (CPF) using the following price 42 adjustment factors: 43 44 Table of Price Adjustment Factors Constituent Factor