Trinity Contractors, Inc 3/1/2017

1 Roadway cores shall be taken or nuclear density testing shall occur 2 after completion of the finish rolling, prior to opening to traffic, and on 3 the same day that the mix is placed. I 4 Table 18 HMA Compaction Acceptance Testing Procedures and Responsibilities When Contract When Contract Does Not Includes Bid Include Bid Item "Roadway Item "Roadway Cores" Cores" Roadway Nuclear Basis for Test: Roadway Cores Cores3 Density Gauge 3 Contractor shall Contracting take cores' Agency will take using WSDOT cores' using SOP 7342 WSDOT SOP In-Place 734 Contracting Density Contracting Agency, using Y Contracting Determined by: Agency will Agency will FOP for determine core WAQTC TM 8 I density using determine core FOP for density using AASHTO T 166 FOP for AASHTO T 166 Theoretical Maximum Contracting Agency, using FOP for AASHTO T 209 Density Determined by: Rolling Average of I Theoretical Contracting Agency, using WSDOT SOP 729 Maximum Densities Determined by: Percent Contracting Contracting Contracting Compaction in Agency, using Agency, using Agency, using Each Sublot WSDOT SOP WSDOT SOP FOP for Determined by: 736 736 WAQTC TM 8 'The core diameter shall be 4-inches unless otherwise approved by I the Engineer. 2The Contractor shall take the core samples in the presence of the Engineer, at locations designated by the Engineer, and deliver the core samples to the Contracting Agency. 3The Contracting Agency will determine, in its sole discretion, whether it will take cores or use the nuclear density gauge to determine in- place density. Exclusive reliance on cores for density acceptance is I generally intended for small paving projects and is not intended as a replacement for nuclear gauge density testing on typical projects. 5 1 AMENDMENTS TO THE 2016 STANDARD SPECIFICATIONS BOOK Revised: 8/1/16