hbbd``b`$CC`q@ &H" materials (soils, aggregate and asphalt) in the field, the Geotechnical firm shall be responsible for the continuous monitoring of the placement and compaction of aggregate base materials, asphalt concrete pavement and the placement and compaction of earthwork and backfill of trenches and structures to ensure compliance with the Specifications. Manhole Backfill Frequency Example: Depth of Backfill = 9 feet Depth of Backfill (ft.) 5 ft. = Depth of Backfill below top 5 feet 1) 9 ft. 5 ft. = 4 ft. 2) 4 ft. x 3 lifts/ft. SOILS COMPACTION AND TESTING 2015 Technical Training & Certification Program . A REVIEW OF THE USE OF RECLAIMED ASPHALT - Read online for free. This happens because large pores more effectively move water downward through . waste aggregate )-4CWP( 4% ceramic waste pow der) represents a 10% aggregate substitution with ceramic waste. Contractor shall be responsible for all utility fees. The top few inches should be slightly yielding (loose) and fill the corrugations. CULVERTS AND BRIDGES 7-5 7.7. Pipe Materials B. Often, shaped beddings are used to insure proper placement and compaction of materials under the pipe haunch. SUMP DRAINS 7-3 7.3. f$C@PbYV-Q5];b:N U0[ @{ 1103 POINT REPAIRS AND OBSTRUCTION REMOVALS, Storm Sewer Trenchless Upgrade Alternatives and Recommendations, SECTION 32 14 13.19 PERMEABLE INTERLOCKING CONCRETE PAVEMENT (1995 MasterFormat Section 02795). Each layer of Class I and regular backfill material shall be compacted by rolling, tamping with mechanical rammers, or hand tamping with heavy metal tampers with a face of at least 25 square inches. STORM SEWERS. 7-1 7.2. This program will encompass nuclear density testing, one-point proctor and "Speedy" moisture, construction and testing of embankments and subgrade, pipe installation, roller patterns and reports.
This course includes downloadable resources including a procedural outline and a pdf of the standard, instructional video content, interactive knowledge checks, and a self . The function of the pipe, the soil type present in the trench, the depth of the pipe can all influence the type of pipe selected. VDOT Soils and Aggregate Compaction 2016v1.0 Chapter 1 | 1 Testing is no longer mandatory on the last day of class. 3) What are the testing requirements for backfilling around pipe?
PDF Pavement Design Guide for Subdivision and Secondary Roads in Virginia When planning a pipeline installation, there are 2 key functions that we must design the pipeline to provide. SOILS AND AGGREGATE FIELD CERTIFICATION STUDY GUIDE 2015 Prepared by: The Virginia Department of Transportation, Materials Division Note: The information included in this manual is generally compatible with current VDOT Speci cations and instructions; however, it should not be considered a source book for speci cations. 155 0 obj
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The Contractor shall report findings of foundation exploration to the Engineer for approval prior to placing pipe. 1100 SLIP-LINING SANITARY SEWERS, SEDIMENT/STORMWATER MANAGEMENT BASIN CONSTRUCTION CHECKLIST, LS 2540 SEWER LATERALS AND INSPECTION TEES, CLEANING, INSPECTION, AND TESTING OF SEWERS, SECTION 33 41 13 PUBLIC STORM UTILITY DRAINAGE PIPING, Beacon Hill Sewer District Standard Specifications. 1) Metal pipe gauge: Examples 12, 14, 16 2) Metal pipe corrugation dimensions: Examples 2 2/3 x ; 3 x 1 3) Concrete pipe strength: Examples Class III, IV or V 4) ph and Resistivity needs to be known by designer 2016v1.0 Chapter 4 5, 6 5) Maximum height of cover: Maximum height for each type of pipe must be given Compare information from drainage summary with maximum cover chart for pipe to be used Check standards for minimum height of cover Measuring Metal Pipe Corrugation example 3 x 2 3 2 Examples of concrete pipe stamp: They typically include manufactured date, diameter, pipe type, class, place of manufacturing. Enrollment can be completed on through Germanna Community College or CCWA. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. Fill out, edit & sign PDFs on your mobile, Description of vdot soils and aggregate compaction, Related Forms SECTION 02150 REMOVAL OR ABANDONMENT OF EXISTING UTILITIES AND UNDERGROUND STRUCTURES. Students must bring valid ID & attend class in order to test. Soil Compaction Handbook ff Soil Compaction Soil compaction is defined as the method of mechanically increasing the density of soil. large void spaces and is loosely compacted. Description This section describes the installation of gravity sewer pipelines fabricated of vitrified, DRAINAGE MATS For Vertical: Flow 15-P For Horizontal: Flow 18-H Soil Drainage Mat with Built-In Protection Layer POLYGUARD DRAINAGE MATS are three-part prefabricated geocomposite drain consisting of a, City of West Linn Public Works Standard Construction Specifications Table of Contents DIVISION SIX STORM DRAIN TECHNICAL REQUIREMENTS 1 601 PIPE AND FITTINGS 1 601.01 Description1 601.02 Materials1, STANDARD SPECIFICATIONS FOR PRIVATE BUILDING SEWER LINES IN PUBLIC RIGHT-OF-WAY Approved and adopted as Official Document Number 800576 this 10th day of December, 1980 Donald R. Boyd, P.E., Director Water, 1.0 ACTIVITY DESCRIPTION 1.1 This document provides basic safety guidelines related to excavation and trenching in pipeline construction activities. % 10) Backfill the trench using clean #8 or #57 aggregate as soon as practical, but not later than the end of each working day. x 12 in./ft. VDOT: Soils and Aggregate Compaction. These items shall conform to Section 31, "Storm Drain Installation," of these Standard Provisions. 296 0 obj
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Your one-stop source for VDOT maps, data and project info. ), Index. Suggested participants would include contractor and supplier quality control personnel, consultants, testing firms and agency . TThe Construction Materials Testing Soils exam is delivered on a computer at Pearson Vue Testing Centers. SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering. 1 (do not test 1st lift) = 4) = 11 tests required per 300 5) Length of run = 856 ft.; therefore 3 sets of tests required 6) 11 x 3 = 33 tests required for total run (minimum) (Answer) 2016v1.0 Chapter 4 13, 14 Backfill around Drop Inlets (minimum) One test every other lift around the perimeter; beginning after the first 4 inch compacted lift above the bedding and continue to the top of the structure. The UD 4 is used with new construction, while the UD 7 is used for retrofitting existing pavements. This program will encompass nuclear density testing, one-point proctor and "Speedy" moisture, construction and testing of embankments and subgrade, pipe installation, roller patterns and reports. 309 0 obj
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VDOT: Soils and Aggregate Compaction Certification Proficiency Exam Bierolson. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix D | 1 It is designed to prove an individuals' understanding of nuclear density testing, one-point proctor and "Speedy" moisture tests. 1-800-UNILOCK www.unilock.com FOREWORD This outline specification has been prepared for, CITY OF PETALUMA STORM DRAIN DESIGN AND CONSTRUCTION STANDARDS & SPECIFICATIONS 400 SERIES AUGUST 1999 Revised 10/98 City of Petaluma Petaluma, California STORM DRAIN INSTALLATION DETAIL, Session 7: Retrofitted Edge Drains 7.1 Learning Outcomes 1. 11) Backfill depth is at least equal to the diameter of the pipe. Do not compact directly on pipe as it may damage the pipe. What term refers to the texture and firmness of a soil? False. Culvert Profile. A drained pavement structure has a higher bearing capacity that can effectively support traffic loadings, and lead to long lasting pavement at the least maintenance cost. J\b 0). To prevent sloping soils from becoming. What is the moisture content at which soil can be compacted to its maximum dry density with the least amount of comparative effort called? Install Pipe The grade of the pipe should always be monitored during installation. For flexible pipe this begins 12 over top of pipe for smaller pipe and 18 for pipe 54 and larger. Geotechnical Bulletin PLAN SUBGRADES, SECTION 701 CULVERT PIPE, ENTRANCE PIPE, STORM SEWER PIPE, AND EQUIVALENTS, SECTION 33 05 16.13 PRECAST CONCRETE UTILITY STRUCTURES, Specification Guidelines: Allan Block Modular Retaining Wall Systems, Section 2 Specification 2.18 Concrete and/or Corrugated Steel Storm Sewer TABLE OF CONTENTS, SECTION IV - TESTS AND INSPECTIONS PART 1 - GENERAL. If performed improperly, soil density settlement of the soil could occur and result in unnecessary maintenance costs or structure failure. Please click on the course title to see the full course description. Gravity sanitary sewers and appurtenances.
VDOT Materials Certification Schools - Business | Virginia Department This work consists of constructing storm sewers of the size and class required, including excavation, bedding, and backfill. 6) The tolerance on the optimum moisture content at which aggregate must be compacted is 2 percentage points. We developed this course with the input of 30-year inspection managers, engineers, and other industry experts. -z`a0y
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(Road and Bridge Spec. Silt tight joints provide protection against infiltration of the backfill material containing a high percentage of fines, and typically utilize some type of filtering or sealing component, such as an elastomeric rubber seal or geotextile. 71 terms. 9) The outlet pipe is connected to the back of the end wall. At the engineer of record's.
You do not have to place pipe bedding material down first when installing a UD 4. VDOT: Soils and Aggregate Compaction. This section covers excavation and trenching work and shall include the necessary clearing, grubbing, and preparation, BMP C220: Storm Drain Inlet Protection Purpose To prevent coarse sediment from entering drainage systems prior to permanent stabilization of the disturbed area. Manhole, Frame, and Cover Installation (includes Drop Manhole) Additional Manhole Depth. Single Offset: This joint first appeared in the early 1990 s. This style of spigot is much easier to manufacture. (Zero Air Voids = ZAV). CADD Manual. Pipe should never be stacked on the bells as they could be damaged. 1.02 SUBMITTALS A. Senior Transportation Construction Inspector to join us in VDOT's Northern Virginia to inspect all phases of construction on highway construction and maintenance projects.To oversee, monitors .
VDOT Soils and Aggregate Compaction: Chapter 1 - Quizlet Inspect how the pipe is being stored on site to ensure no damage is being done to the pipe prior to installation. Drawings and General Provisions of Contract, including General and Special Conditions and other Division 1 Specification Sections, CHAPTER 9 SEWER / STORM DRAIN / IRRIGATION LINES SECTION 9.01 GENERAL This section covers the requirements for piping materials and installation of Lehi City sewer, storm drainage and irrigation collection. Fine particles are more sensitive to the presence of water than coarse particles. 18) What is the minimum amount of cover over pipe to prevent damage from construction loads? The values are often affected by varying percentages of large aggregate which consultants and contractors do not usually put into consideration.
PDF Specifications (REVISED) - Virginia Department of Transportation VDOT uses AASHTO and Unified Soil Classification Systems to classify soils.
Advanced fatigue and rutting characterisation of Polish asphalt The joint consists of a tongue (male end) and groove (female end) with no defining areas for gasket material placement. VDOT states 75 years for higher functional classification roads and 50 years for lower functional classification roads. Links may open in a new window. Soil compaction occurs when soil particles are pressed together, reducing pore space between them (Figure 1). American Water Works Association Computation of U.S. x]mo8^AXIQ/Ivzvw8NjL{bs(JIeYy!E'b~t_,NO?Ob]/yI(24z\|D/__8yC2|A5ID Q^G{q}I4w4/.jYYL%o#'? The video camera inspection is to be conducted with a VDOT representative present. Dense graded means that the particles in the mixture are sized do that they fill most of the voids; there is very little space between the soil or stone particles. Responds to data requests. Links may open in a new window. Figure 4.3: Minimum Cover to Allow Construction Traffic over Pipe 2016v1.0 Chapter 4 3, 4 The following tables give VDOT specifications for maximum height of cover for some types of pipe.
Effect of Rock-Sized Aggregates on Soil Compaction Results As stated earlier, soils are made up of many different types, shapes and sizes of particles.
VDOT: Soils and Aggregate Compaction - Community College Workforce Alliance 142 0 obj
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Currently VDOT certified or Mid Atlantic Regional Technician Program (MARTCP) in the following disciplines: - Expected VDOT Certifications Soil and Aggregate Field Compaction Asphalt Field Hydraulic Cement Concrete Field Pavement Marking Flagger Certification Certification & Issuing Agency Soil and Aggregate Compaction - VDOT or NICET LEVEL II* This item shall consist of the construction of both sanitary and storm sewer precast concrete manholes in accordance with, Specification Guidelines: Allan Block Modular Retaining Wall Systems The following specifications provide Allan Block Corporation's typical requirements and recommendations.
VDOT Soils and Aggregate Compaction Flashcards | Quizlet ]1YW'; q=A D0Yf BD0A8 Dh s @!2au28!w)#Nb=` L
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ALL students must have a valid account on VDOT University. Upstream or down stream? 129 0 obj
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Explore Foundation A stable foundation must be provided to ensure proper line and grade is maintained.
(PDF) Recycled Concrete Aggregated for the use in Roller Compacted 200 sieve. All rights reserved.
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