Chapter 6 Structures 6-01 General Requirements for Structures Often times this task creeps into the Quality Control (Q/C) WSDOT Construction Manual M 41-01.34 Page 6-1 March 2019. This set includes: ("Quality Control Manual - Section 1"; "Quality Control Checklist - Section 2"; and "Plant Certification Checklist - Section 3"). Order this convenient package of all three Quality Control sections and receive the special discount package price. #2PQC123 National Ready Mixed Concrete Association (NRMCA) - Quality Control Manual - Section 3, Plain and Reinforced Concrete Specification May 2017 Process Industry Practices Page 5 of 16 concrete structures in concrete documents, any placement of concrete designated NRMCA Quality Control Manual-Section 3, Plant Certi?cation Check List (herein after referred to as the NRMCA checklist) at intervals not exceeding six months. Check the batching accuracy of all volumetric admixture dispens-ers and all volumetric water batching devices (including water meters) according to items 2.5.3 and 2.5.4 of the NRMCA NRMCA QC MANUAL - SECTION 3 - PLANT CERTIFICATION FOREWORDConcrete is a manufactured product, the quality and uniformity of which depend upon control over its manufacture. It must be composed of suitable ingredients accurately combined to specific proportions. BATCH PLANT MAINTENANCE Maintenance PLAN of Concrete Batching Plant CCCC-LBG / DAD November 14 and for proper mixing speed as described in the NRMCA Quality Control Manual. Truck mixers should be equipped with counters or similar means to enable verification of the number of revolutions NRMCA has also developed Quality Management System for Ready Mixed Concrete Companies. This free 260-page book on creating a quality management system is available at the NRMCA website. Also, the Guideline Manual for Quality Assurance Quality Control is a guide to creating a quality plan. This is available at the NRMCA bookstore. Guideline Manual for Quality Assurance Quali