Repair of sanitary sewer lines by replacing short lengths of failed pipe with new pipe. 15) What end of the pipe system do you start installation? AASHTO T180 The Moisture Density Relations of Soils using a 10-pound Rammer and an 18-inch drop. PDF Appendix E Compaction Characteristics and Equipment Fill out, edit & sign PDFs on your mobile, Description of vdot soils and aggregate compaction, Related Forms The CCWA is hosting the following courses, which are available in a traditional (instructor-led) format or as a self-study option, allowing the students to challenge the Materials Certification exams: For more information on CCWA courses and registration click hereor contact CCWA at 804-523-2290 or 804-523-2292. The inspection can be conducted manually if adequate crawl/walking space and ventilation is available to safely conduct the inspection and the individual(s) conducting the inspection have undergone training on working in confined spaces in accordance with VDOT s current Safety Policy and Procedure #8 Confined Space Entry Policy and Procedure General, or the inspection can be conducted with a video camera. What is compaction? Importance to Maintenance & Water Quality. 13) Use vibratory plate with a welded foot to compact the aggregate backfill. SCOPE OF WORK: The work to be performed under the provisions of these documents and the contract based thereon includes furnishing all labor, equipment, materials, To make this website work, we log user data and share it with processors. This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. 282 0 obj <> endobj 8) A 36 inch diameter pipe, 290 feet long, is placed on a project as a drainage culvert. Suggested participants would include contractor and supplier quality control personnel, consultants, testing firms and agency . Manufacturing and Trades >> VDOT - Certifications. What is the minimum number of density tests that should be run on the backfill material? Installation PowerPoint for Grasscrete Formers, Specifications for Residential Property Owners Connection to New Public Sewer, DESIGN AND CONSTRUCTION GUIDELINES AND STANDARDS DIVISION 33 UTILITIES 33 00 00 SITE UTILITIES, SECTION 200: STORM SEWER CONSTRUCTION STANDARDS, VIDEO INSPECTION AND LASER DEFLECTION TESTING FOR POST CONSTRUCTION QC/QA SPECIFICATIONS AND MAINTENANCE INSPECTIONS, Model Specification 509 DRISCOPLEX 4200 and DRISCOPLEX 4300 Gravity Flow Sanitary Sewer, STANDARD SPECIFICATIONS SECTION 02701 INSTALLATION OF GRAVITY SEWER PIPELINES.
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