(Zero Air Voids = ZAV). Soils and Aggregate Compaction Technician MARTCP. Excavate Trench Proper trench widths will allow for proper compaction alongside the pipe. All rights reserved. bored but can't be bothered to do anything. 2016v1.0 Chapter 4 2, 3 Structural System Structural System Figure 4.2a: Reinforced Concrete Figure 4.2b: Flexible Pipe Culverts are generally designed for the loads they must carry after construction is completed. suzanna_gevorgyan. suzanna_gevorgyan. Gravity sanitary sewers and appurtenances. VDOT - Certifications Classes - Community College - Modern Campus The trench s dimensions and location are typically 1 foot wide and 2 to 4 inches below the subgrade and adjacent to the pavement edge. Clearly the pipe needs to function as a conduit, as the whole idea of a pipe is to move liquid in a controlled manner and direction. 3 ft. Section Procedures) When lift holes are provided in concrete pipe or precast box culverts, the Contractor shall install a lift hole plug furnished by the manufacturer. Description. General: Submit the following in accordance with The General Conditions. (500 grams) of soil. Fill out, edit & sign PDFs on your mobile, Description of vdot soils and aggregate compaction, Related Forms ICC Soils Special Inspector Certification Test Training | SI Certs Silts and clays are made of particles that are smaller than which sieve? Enrollment can be completed on through Germanna Community College or CCWA. 1.02 REFERENCES, PART 1 - GENERAL Section 02702 SEWER PIPE INSTALLATION AND TESTING 1-1. VDOT uses AASHTO and Unified Soil Classification Systems to classify soils. Stagger tests to ensure consistent compactive effort has been achieved. CATCH BASINS 7-3 7.4. Contractor shall be responsible for all utility fees. For registration assistance, questions or concerns, please contact: The MCS courses are currentlybeing delivered through a partnership between VDOT, the Virginia Education Center for Asphalt Technology (VECAT) with Germanna Community College (GCC)and the Community College Workforce Alliance (CCWA). Additional temporary fill is needed to protect the pipe from construction loads. 2016v1.0 Chapter 4 17, 18 8) At the end of the run ( feet) a 45 degree elbow is used to connect the longitudinal pipe to the non perforated outlet pipe to force the collected water to discharge. (test every other 4 in. Conform to requirements of Section 01 33 00 Submittals. Refer to VDOT Road and Bridge Specifications, Section Procedures (d) Post Installation Inspection for detail requirements and remediation procedures. 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. If vibratory rollers are used in the backfill operations, vibratory motors shall not be activated until at least 3 feet of backfill has been placed and compacted over the pipe. PDF Appendix B - Virginia Department of Transportation - Home of the rammer used to compact the soil or soil and aggregate mixture in the mold and the number of layers placed into the compaction mold for compaction. By using this site you agree to our use of cookies as described in our, You have been successfully registered in pdfFiller, VDOTSoilsandAggregateCompaction 3 CONSTRUCTIONANDACCEPTANCETESTING OFSUBGRADEMATERIAL LEARNINGOUTCOMES Understandtheimportanceofsubgradeandthedifferenttypesofsubgradematerial Understandthevarioustypesandmethodsofmechanicalandchemicalstabilization, VisitingProfessorofLaw,StanfordLawSchool(Winter;Spring2013);InezMilhol. Web Policy / Privacy Statement / WAI Compliance / Email Safety / Site Map, APD Instructional and Informational Memoranda, Minimum Requirements for Quality Assurance and Quality Control on Design Build and P3 Projects, AASHTOWare Project Preconstruction (AWP-P) Manual, Construction Instructional and Informational Memoranda, Instructional and Informational Memoranda, Alternative Intersection Informational Design Guides, LD Instructional and Informational Memoranda, PMO Instructional and Informational Memoranda, Pollution Prevention Field Guide for Construction Activities, Roadside Development Report Excel spreadsheet tool, Nutrient Management Plan for Construction Projects, Nutrient Management Plan for Roadside Management, VDOT BMP Maintenance Manual Appendix C - Plant Palette Tables, Materials Certification School Information, Guide to the Traffic Impact Analysis Regulations, Land Development Inspection Documentation Best Practices Manual, OD Instructional and Informational Memoranda, Guide Manual for Causes and Repair of Cracks in Bridge Deck, Traffic Calming Guide for Neighborhood Streets, Manual on Uniform Traffic Control Devices (MUTCD), TED Instructional and Informational Memoranda, VDOT Traffic Operations and Safety Analysis Manual (TOSAM), Instructional and informational memoranda, Manual for the Procurement and Management of Professional Services. 200 sieve. 200 sieve. CHAPTER 4 STUDY QUESTIONS 2) True or False. This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. Summary B. Submittals C. Site Information D. Sewer Pipe and Fittings E. Lateral Locations F. Lateral Installation G. Inspection Tee Installation H. Removal, SECTION 02630 PART 1 - GENERAL 1.01 DESCRIPTION A. N7R;No7^Y endobj
Access to test grades will be first done on GCC and CCWA and certification credentials will ONLY be available throughVDOT University Virtual Campus, so ALL students must have a valid account on VDOT University. 57 stone MUST be capped with a minimum of 4 crusher run prior to placement of pipe or box culvert. True. SECTION IV - TESTS AND INSPECTIONS PART 1 - GENERAL 1.01 Testing - General Testing shall be of the type and frequency described in each section and summarized in Item 1 of this section. 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 prevents disruption of the backfill envelope when removing the shoring or trench box. Drop Inlet Backfill Frequency Example: Depth of Backfill = 9 feet Depth of Backfill (ft.) x 12 inches /foot = Depth of backfill in inches 1) 9ft. 296 0 obj
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11) Backfill depth is at least equal to the diameter of the pipe. Work shall consist of furnishing and constructing a Rockwood Vintage TM unit segmental retaining wall (SRW), CONCRETE SEGMENTAL RETAINING WALL SYSTEM PART 1: GENERAL SPECIFICATIONS 1.01 Work Included A. Backfill and compaction shall be advanced simultaneously on both sides of the pipe. This Section describes the requirements for excavating, filling, and grading for earthwork at Parking Structure, new exit stair and as required to, DIVISION 2 - SEWERAGE AND DRAINAGE SECTION 02720 - STORM DRAIN SYSTEMS PART 1 - GENERAL 1.01 DESCRIPTION A. Furnish and install all storm drains, including manholes, inlets, service lines and other appurtenant. STORM DRAIN DESIGN AND CONSTRUCTION STANDARDS & SPECIFICATIONS 400 SERIES. The original Former is a vacuum formed light gauge plastic mold, The contractor shall moist-cure the completed Lime Treated Subbase for a minimum of days before allowing any traffic on the compacted surface. Materials. If the inspection is conducted by video: The video camera must have fully articulated lenses (360 degree inspection). VDOTSoilsandAggregateCompaction 6 FIELDMOISTUREANDDENSITYTESTING WITHTHENUCLEARGAUGE LEARNINGOUTCOMES . MP-1 MP-2 MP-3 MP-4 MP-4.01 MP-4.02 MP-4.03 MP-5 MP-5.01 MP-5.02 MP-5.03 MP-5.04 MP-5.05 MP-5.06 MP-5.07 MP-5.08 MP-5.11 MP-5.12 MP-5.13 MP-5.14 MP-5.15 MP-5.16 MP-5.18 MP-5.19 MP-5.20, RIPRAP From Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas http://www.mass.gov/dep/water/laws/policies.htm#storm Definition: A permanent, erosion-resistant ground cover, SECTION 33 41 03 POLYVINYL CHLORIDE (PVC) PIPE PART 1 GENERAL 1.01 SECTION INCLUDES A. Heavily compacted soils contain few large pores, less total pore volume and, consequently, a greater density. This happens because large pores more effectively move water downward through . RIPRAP From Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas http://www.mass.gov/dep/water/laws/policies. This work shall consist of providing pipe or pipe arch of the diameter or shape designated, laid upon a firm bed and backfilled as specified. Some links may require the Adobe Reader. 2e\o ngV10J6q`pp)|Hpm3@BF >
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= 12 lifts 3) 12 lifts 1 lift (skip first lift) = 11 lifts 4) 11lifts 4 (test every fourth compacted lift) = 2.75, round up to 3 tests in bottom 4 ft. of backfill Top 5 ft. of backfill x 3 lifts/ft. A trench at the edge of the pavement provides a cavity with the least resistance for water to flow and accommodate pavement drainage. And the pipe must provide structure, because if the ground above the pipe collapses then the pipe can no longer perform as a conduit. 794 (d), please call 800-367-7623. 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 . This section covers the installation and testing of all sewer pipe furnished under the following specification sections: Concrete, SPECIFICATION FOR PIPE SUBSOIL DRAIN CONSTRUCTION 1. 2 0 obj
Contractor shall ensure that all permits are obtained prior to any construction. %
pipe stiffness 65 psi) 6) An end wall for the protection of the outlet pipe. This course is based on ASTM D6938-17a1 Standard Test Method for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth). xZKs2>Ip P7[Sq9FoLLmJgl~K"5JtB2+!765nt-8\Gf._o{}E -z`a0y VDOT Soils and Aggregate Compaction: Chapter 1 - Quizlet The video tape/dvd/digital photographs should be of such clarity, detail and resolution as to clearly show the conditions of the interior of the pipe/culvert and detect any defects within the pipe or culvert as specified herein. hbbd``b`$BAD`LZ H0j( a2H-q
u\?#v#_ 13) Use vibratory plate with a welded foot to compact the aggregate backfill. 5) Why is lime used with soil? Description. LD Instructional and Informational Memoranda. STORM SEWERS 402.01. For more information about taking the . 9) The outlet pipe is connected to the back of the end wall. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering. VDOT: Soils and Aggregate Compaction. June 21st, 2018 - 2018 Soil Classification and Compaction Proficiency Samples 177 according to the AASHTO or the data sheet Shrinkage Factors of Soils by the . 2016v1.0 Chapter 4 16, 17 PAVEMENT DRAINS Pavement subsurface drainage is essential in obtaining a well performing pavement, whether it is flexible, rigid or composite. 2016v1.0 Chapter 4 12, 13 Typical Pipe and Box Culvert Backfill: BACKFILL TESTING FREQUENCIES Test Location 4 Compacted Lift Foundation One test per lift on alternating sides of the pipe for each 300 feet of pipe or portion thereof. Pipe Culverts 600-1 A. Endwalls, Inlets, Manholes, and Spring Boxes 600-5 2. 0 vdot soils and aggregate certification + (12 in. Identify typical construction, 02530-1 of 5 SECTION 02530 STORM DRAINAGE STRUCTURES 02530.01 GENERAL A. When moving concrete pipe you should pick it up by one end. Section Includes: Furnishing and installing nonreinforced concrete sewer pipe. Students must bring valid ID & attend class in order to test. Rubber gaskets may be used when the joint slope is five degrees or less, however it is usually limited to mastic or butyl sealants. 1 0 obj
GRIT Manual. True or false: Open graded aggregates are used in pavement to give the structure more strength. This section includes all labor, materials, equipment, and incidentals required and installation of Polyvinyl Chloride, STANDARD SPECIFICATIONS SECTION 03461 PRECAST REINFORCED CONCRETE MANHOLES AND MANHOLE BASES PART 1 - GENERAL A. waste aggregate )-4CWP( 4% ceramic waste pow der) represents a 10% aggregate substitution with ceramic waste. What is the behavior of a material where the material deforms under load and does not return to its original shape called? Soils & Aggregate Inspector - NETTCP When joining pipe: Begin at the downstream end (Bell faces upstream) Ensure spigot and bell are clean and free of debris Properly lubricate spigot and bell with pipe lubricant Is Contractor aware of the maximum insertion angle? hb```f````2X@(
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$ Students are required to register for classes on the GCC and/or CCWA web sites. 1.02 REFERENCE, CLEANING, INSPECTION, AND TESTING OF SEWERS PART 1 - GENERAL 1.01 SECTION INCLUDES A. VDOT: Soils and Aggregate Compaction - Community College Workforce Alliance Effect of Rock-Sized Aggregates on Soil Compaction Results . Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. 4 in. VDOT: Soils and Aggregate Compaction. This site uses cookies to enhance site navigation and personalize your experience. BOX 27032 RICHMOND, VIRGINIA 23273 PERMIT NO. All rights reserved. 2. ]1YW'; q=A D0Yf BD0A8 Dh s @!2au28!w)#Nb=` L
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3. In this research work three methods of handling rock sized aggregates which include compacting the whole sample (method . 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. 6) The tolerance on the optimum moisture content at which aggregate must be compacted is 2 percentage points. What term refers to the texture and firmness of a soil? 71 terms. 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. 11 terms. SECTION 15076 CEMENT-MORTAR LINED AND COATED (CML&C) STEEL PIPE PART 1 GENERAL 1.01 DESCRIPTION This section designates the requirements for steel pipe fabrication, test in shop, installation of steel, SECTION LS 2530 SANITARY SEWERS PART 1 GENERAL 1.1 SUBMITTALS A. When performing a manual visual inspection: There must be adequate crawl/walking space and VDOT Safety Policy and Procedure #8 Confined Space Entry Policy and Procedure must be followed. back to courses page. ]6)[mesog)!df{9IsRC cS /%INL %PDF-1.5
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Prepared by Risi Stone Systems Used by permission. Verifying that the correct pipe has been delivered for the applications on your project. For flexible pipe this begins 12 over top of pipe for smaller pipe and 18 for pipe 54 and larger. For questions or concerns regarding MCS grades or certification status, contactus at MaterialsCertification@vdot.virginia.gov. Trenching, Backfilling and Compacting: 02223, DRAINAGE MATS For Vertical: Flow 15-P For Horizontal: Flow 18-H, City of West Linn Public Works Standard Construction Specifications. A. Construct subdrains, subdrain cleanouts and outlets, and footing drain collectors. You do not have to place pipe bedding material down first when installing a UD 4. The Soils and Aggregate Inspector Certification Course is designed for those individuals responsible for the sampling and testing of soils and aggregates used in base, subbase and roadway embankment construction. Install Pipe The grade of the pipe should always be monitored during installation.
What is compaction? General: CONCRETE SEGMENTAL RETAINING WALL SYSTEM PART 1: GENERAL SPECIFICATIONS 1.01 Work Included A. Concrete Field - Current ACI must be submitted to MaterialsCertification@vdot.virginia.gov ; Soils and Aggregate Compaction - Physical demonstration of proficiency - scheduled by CCWA **New **Central Mix Aggregate Plant - Physical demonstration of proficiency - scheduled by CCWA **New** To learn about CHANGES up to 2018, please review the . Storm drainage piping, fittings, and accessories at proposed station areas and locations other than under and immediately adjacent, Beacon Hill Sewer District Standard Specifications Residential Gravity Side Sewer Including Design Criteria and Standard Construction Drawings Residential Gravity Side Sewer Design Criteria 1. 8 in. Schedule PH (Form 1120) (1960). CHARACTERISTICS OF SOILS AND THEIR PDF fileVDOT Soils and Aggregate Leak Resistant: A joint which limits water leakage at a maximum rate of 200 gallons/inch diameter/mile/day for the pipeline system for the project specified head or pressure. CULVERTS AND BRIDGES 7-5 7.7. 200 sieve (75 micrometers). Additionally, a copy shall be furnished to local VDOT Asset Management personnel to document the pipe/culvert condition at that point in time. Proper installation is essential to pavement performance as it increases bearing capacity, increases service life and lowers maintenance costs. The moisture content at which a soil begins to behave like a liquid is called the liquid limit. or structures. PDF a/o May 2018 MATERIALS CERTIFICATION SCHOOLS FREQUENTLY ASKED QUESTIONS Civil. VDOT: Soils and Aggregate Compaction - Community College Workforce Alliance container, large spoon, and 1.1 lbs. Responds to data requests. 7) What is the maximum height of cover for a 48 inch pipe diameter Class IV concrete pipe culvert? Copyright 2023, VDOT. No. List components of edge drain systems 3. 2) 108 in. Fillable Online VDOT Soils and Aggregate Compaction Fax Email Print small voids and is compact. VDOT Soils and Aggregate Compaction: Chapter 3. PDF SPEEDY MOISTURE TEST Equipment Needed: Complete speedy kit, No. 4 sieve Pipe Testing Frequency Example 1: Pipe Diameter = 48 in. CADD Manual. x 12 in./ft. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Instantly. Furnish and install culvert pipe, entrance pipe, and storm sewer pipe. large void spaces and is loosely compacted. Manhole, Frame, and Cover Installation (includes Drop Manhole) Additional Manhole Depth. 4 in.) In the top 5 feet; perform one test every other lift around the perimeter and continue to the top of the structure. 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. Try Now! The diameter of the mandrel at any point shall not be less than the allowable percent deflection of the certified actual mean diameter of the pipe or culvert being tested. Generally excavated embankment material is used as the final backfill. (804) 523-2292. help@ccwa.vccs.edu. 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. Proper haunching provides support to ensure the pipe s strength is achieved. 2016v1.0 Chapter 4 4, 5 PRE CONSTRUCTION ISSUES Prior to construction the pipe delivered to the project should be inspected and verified to be the pipe specified for the project. When backfill material is above the spring line of the pipe, start at the trench wall and work towards the pipe. Some links may require the Adobe Reader. PDF 6 - Section 4 - Construction and Inspections - Henrico County, Virginia %PDF-1.7
Similarly, VDOT will recognize NICET Construction Materials Testing Level II Certification in Concrete. Table of Contents 1. The foundation is to be explored below the bottom of the excavation to determine the type and condition of the foundation. lift) = 13 tests required (minimum) (Answer) Backfill around Manholes (minimum) One test every fourth compacted lift around the perimeter; beginning after the first 4 inch compacted lift above the bedding and continue to 5 feet below the top of the structure.