CHAPTER 4 STUDY QUESTIONS 2) True or False. 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 . x; =@~fKJU >e A .E,fjd=| ^'(rN_92>#e' ?Ab t40 [$b3F l`fz>q!`\U1Dsb@2l P9 % hYoF#4rPzL@]Gb)3d@pa@sc/IK^0@Qq. False. (Road and Bridge Spec. 6) Where can the typical underdrain drawings be found? For questions or concerns regarding MCS grades or certification status, contactus at MaterialsCertification@vdot.virginia.gov. Grade Adjustment of Existing Miscellaneous Structures 600-8 3. 57 stone MUST be capped with a minimum of 4 crusher run prior to placement of pipe or box culvert. SCOPE Pipe subsoil drains shall be constructed in accordance with this specification and in conformity with the lines, grades and cross-sections shown, 402.02 Section 402. Heavily compacted soils contain few large pores, less total pore volume and, consequently, a greater density. SUMP DRAINS 7-3 7.3. 5) Why is lime used with soil? List components of edge drain systems 3. bKjL,gBZqa>,\w At the engineer of record's. 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. SECTION LS 2530 SANITARY SEWERS. Materials Division - Virginia Department of Transportation B. stiffness 35 psi) is the collecting conduit 4) Aggregate backfill (#8 or #57) 5) Non perforated smooth wall outlet pipe (min. Soils & Aggregate Inspector - NETTCP Soils & Aggregate CCWA $ 350.00 $ 250.00 Handson proficiency will be scheduled upon . Pipe should never be stacked on the bells as they could be damaged. 0 Trench excavation, backfill, and compaction; Section 02250. 12) How long after installation is complete can the video inspection can be done? What term describes that the particles in a mixture are sized so that they fill most of the voids and there is very little space in between soil or stone particles? The moisture content at which a soil begins to behave like a liquid is called the liquid limit. endobj 2016v1.0 Chapter 4 7, 10 General procedures for pipe installation: 1) Locate utilities 2) Excavate trench 3) Explore foundation INSTALLATION PROCEDURES 4) Place structural bedding material to grade. No additional payment will be made for the repair or replacement of existing concrete damaged, ITEM NO. VDOT Soils Flashcards | Quizlet To use this website, you must agree to our, SECTION 55 PIPE FOR STORM DRAINS AND CULVERTS (FAA D-701), State of Illinois Department Of Transportation CONSTRUCTION INSPECTOR S CHECKLIST FOR STORM SEWERS, SECTION 08000 STORM DRAINAGE TABLE OF CONTENTS, Wastewater Capital Projects Management Standard Construction Specification, Section 02702 SEWER PIPE INSTALLATION AND TESTING, SPECIFICATION FOR PIPE SUBSOIL DRAIN CONSTRUCTION. SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering. 10) What is the maximum backfill lift thickness? 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 . 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. This type of joint provides a leak resistant joint when a profile gasket is used. (don t test 1st compacted lift) = 104 in. Concrete Field 1. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix C | 5 When you learn and master soils inspection, your market value shoots up. This site uses cookies to enhance site navigation and personalize your experience. How far should the hammer fall?, What are the moisture and density content corresponding to the peak of the curve . Participated in traffic . SECTION 33 41 00 REINFORCED CONCRETE PIPE. Geotechnical Design Parameters for Retaining Walls, Sound Barrier Walls and Non-Critical Slopes. xZKs2>Ip P7[Sq9FoLLmJgl~K"5JtB2+!765nt-8\Gf._o{}E Silt Tight: A joint that is resistant to infiltration of particles that are smaller than particles passing the No. No. Soil compaction occurs when soil particles are pressed together, reducing pore space between them (Figure 1). SUBDRAINS AND FOOTING DRAIN COLLECTORS. 200 sieve (75 micrometers). 4 0 obj General: Submit the following in accordance with The General Conditions. Specifications i. 5.01 Design, PROJECT COST ESTIMATE ASSUMPTIONS AND EXCLUSIONS, SPECIFICATIONS FOR SEWER PIPE AND LINING INSERTION - TRENCHLESS; GENERAL GUIDELINES (As Provided by NASSCO), TECHNICAL NOTE Culvert Sliplining and Lining of Casings with HPPipe. 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. Trench widths may be varied, based on the competency of the in situ soil, backfill materials, compaction levels and loads. VDOT: Soils and Aggregate Compaction Certification Proficiency Exam Where applicable, pulleys may be incorporated into the system to change the direction of pull so that inspection personnel need not physically enter the pipe, culvert or manhole. Virginia Department of Transportation documents: Road and Bridge Specifications and appropriate supplemental specifications Virginia Test Methods Manual Road and Bridge Standards. For more information about taking the . X, `| Once a soil or aggregate mixture has been placed in a layer on the embankment, the contractor can use various types of compaction equipment to densify the soil to the desired level of compaction. ACI Concrete. A review of the proper minimum/maximum height of cover for the specific type of pipe should be completed. VDOT Soils and Aggregate Compaction: Chapter 2. 2. + (12 in. 1.02 SUBMITTALS A. 7) Install the longitudinal perforated pipe at the bottom of the trench without bedding material. 15) In the case of UD 4, the Open Graded Drainage Layer (OGDL) is placed on top of the completed trench. This course includes downloadable resources including a procedural outline and a pdf of the standard, instructional video content, interactive knowledge checks, and a self . A copy of the Storm Sewer/Culvert Inspection Report (inspection report)including any video tape/digital Video Recording (DVD)/digital photographs shall be provided to the VDOT Inspector within two business days of the completion of the inspection and made part of the project records. This website includes hyperlinks to sites neither controlled nor sponsored by VDOT or the Commonwealth of Virginia. in the field: the soil moisture is near the liquid limit. 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. 295 0 obj <>/Filter/FlateDecode/ID[<8B56AE6A42E26944BC3979D310C9B904>]/Index[282 27]/Info 281 0 R/Length 72/Prev 509365/Root 283 0 R/Size 309/Type/XRef/W[1 2 1]>>stream The moisture content at which a soil can be compacted to its maximum dry density with the least amount of comparative effort is called the optimum moisture content. We encourage you to plan accordingly and register soon, to allow ample time for your staff to meet all the requirements needed for recertification. 32-02.05 Precast Manhole Sections and Castings. Please check your spelling or try another term. CON 310 Soils and Aggregates (Soils and Compaction) Homework Name:_____ 1) Why is it important for material testing technicians understand how to perform both the nuclear density test and the sandcone test for compaction testing? STORM SEWERS 402.01. suzanna_gevorgyan. -z`a0y VDOT: Soils and Aggregate Compaction - Community College Workforce Alliance Upstream or down stream? SECTION 02530 STORM DRAINAGE STRUCTURES. Product data for drainage piping specialties. PDF SOILS COMPACTION AND TESTING 2015 - Iowa Department of Transportation Identify typical construction, 02530-1 of 5 SECTION 02530 STORM DRAINAGE STRUCTURES 02530.01 GENERAL A. SECTION 02630 STORM DRAINAGE PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. 2016v1.0 Chapter 4 10, 11 Place Bedding Stable and uniform bedding must be provided for the pipe and any protruding features of its joints and/or fittings. Natural ground slope, PIPE INSPECTION AND REPAIR. 3) What are the testing requirements for backfilling around pipe? Another option with the flared bell is the Modified Tongue & Groove, or Baby Bell which is a cross between a straight walled T&G and a Standard Bell it does not stick out from the barrel as far as a flared bell. 8 in. The mandrel shall be fabricated of metal, fitted with pulling rings at each end, stamped or engraved on some segment other than a runner with the nominal pipe/culvert size and mandrel outside diameter. Your one-stop source for VDOT maps, data and project info. 308 0 obj <>stream Description Storm drainage structure construction shall include, but not necessarily be limited to, furnishing and installing or, Installation PowerPoint for Grasscrete Formers 1 This document describes the two single-use tools utilized to create the Grasscrete product. 1 4 INSTALLATION OF PIPE AND TESTING OF PIPE BACKFILL LEARNING OUTCOMES Understand basic pipe and soil concepts and how they relate to preconstruction issues Understand fundamental trench concepts and pipe installation procedures Understand . SOILS COMPACTION AND TESTING 2015 Technical Training & Certification Program . Stagger tests to ensure consistent compactive effort has been achieved. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix E | 9 SECTION 02612 NONREINFORCED CONCRETE SEWER PIPE, Division 2 Section 32 14 13.19 Section 02795. If the soils is 100 percent saturated and the voids are full of water and has a high MC. 71 terms. Milo Wade; 3 years ago ; Views: Transcription. The camera must have the means to measure deformation/deflection of the pipe. General: CONCRETE SEGMENTAL RETAINING WALL SYSTEM PART 1: GENERAL SPECIFICATIONS 1.01 Work Included A. 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. CHARACTERISTICS OF SOILS AND THEIR PDF fileVDOT Soils and Aggregate 3. SECTION 9.02 BUILDING SUBSURFACE DRAINS (PERIMETER, ETC. After pipe installation and prior to backfilling, plugs shall be installed from the exterior of the pipe or box culvert and snugly seated. 6) The tolerance on the optimum moisture content at which aggregate must be compacted is 2 percentage points. The mandrel shall be pulled through the pipe or culvert by hand with a rope or cable. 16) What is the level of compaction required for pipe backfill? Construction Materials Testing Soils - NICET 19 terms. If you have questions, please provide us with the course title and number when e-mailing or calling. 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. stream 1. 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. The top few inches should be slightly yielding (loose) and fill the corrugations. 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. If your certification expires this year, you must successfully complete all requirements for the certification by completing an instructor-led or self-study course and any proficiency in the same calendar year. 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. Bierolson. Use units conforming to the dimensions, SECTION 33 05 16.13 PRECAST CONCRETE PART 1 - GENERAL 1.01 SECTION INCLUDES A. 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* STORM SEWER CALCULATIONS 7-4 7.6. VDOT: Soils and Aggregate Compaction - Community College Workforce Alliance endstream endobj 283 0 obj <> endobj 284 0 obj <> endobj 285 0 obj <>stream ASTM D6938 Standard Test Methods for In-Place Density and Water Content 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. True. 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. All rights reserved. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. Materials. 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. Get the free VDOT Soils and Aggregate Compaction Description . PurRoses 1. 1.01 Testing - General, June 2007 CHAPTER 7 - CULVERTS 7.0 CHAPTER 7 - CULVERTS 7.1 GENERAL, HDPE PRODUCTS QUALITY, PERFORMANCE AND ECONOMY COMBINED, Chapter 3 CULVERTS. In a rigid pipe, this zone has zero effect on the load carrying capacity. Provide concrete sewer pipe less than 12 inches in diameter, and in other sizes, Note: The text must be edited to suit specific project requirements. Advanced fatigue and rutting characterisation of Polish asphalt Community College Workforce Alliance | The Mission of CCWA is to meet . 14) What is the maximum deflection allowed for flexible pipe? 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. + (12 in. 322 0 obj <>stream 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. Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. Structural Fill See Section (A)(2)(g) of the Road and Bridge Specifications for complete requirements for backfill material. 2016v1.0 Chapter 4 11, 12 Types of Joints for Concrete Pipe Tongue & Groove: A bell & spigot type joint with straight walls (flush bell). 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. 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. 13) Use vibratory plate with a welded foot to compact the aggregate backfill. <> Rock more than 2 inches in its greatest dimension shall not be placed within 12 inches of pipe. ]1YW'; q=A D0Yf BD0A8 Dh s @!2au28!w)#Nb=` L *w @y7![RYT6 Ke`riO05 ~z ALL students must have a valid account on VDOT University. Location B. Sizing TABLE OF CONTENTS 08020 MATERIALS A. Furnish and install culvert pipe, entrance pipe, and storm sewer pipe. ]6)[mesog)!df{9IsRC cS /%INL Enrollment can be completed on through Germanna Community College or CCWA. excavated drop inlet protection (Temporary) 6.50.1 6.51.1. Haunching material may be Class 1 and must be placed and compacted in 6 inch loose/4 inch compacted maximum lifts, compacted to 95 percent standard proctor density. If you have questions, please provide us with the course title and number when e-mailing or calling. Lane provides the complete product line to meet all your HDPE drainage needs -, Chapter 3 CULVERTS Description A culvert is a closed conduit used to convey water from one area to another, usually from one side of a road to the other side. From this we can highlight the following requirements: Visual/ Video Inspection is required on: All Storm Sewer Pipes (100%) Selected Number of Pipe Culverts (>10%) 2016v1.0 Chapter 4 15, 16 Must be done with VDOT Rep Present Conducted no sooner than 30 days after completion of Installation and placement of final cover (except pavement). As a reminder, all certification courses are available either online or through a self-study option at the respective community colleges. Students must bring valid ID & attend class in order to test. 17) What is the minimum amount of cover over pipe allowed for design loads? 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. ITEM NO. 0 vdot soils and aggregate certification 4 in.) What classification systems does VDOT use to classify soils? % SECTION 15076 CEMENT-MORTAR LINED AND COATED STEEL PIPE. 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. 1. Screen the sample over a 3/4-inch sieve and replace the aggregate retained with an equal weight of No. 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. (test every other 4 in. pipe stiffness 65 psi) 6) An end wall for the protection of the outlet pipe. 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. The initial backfill of select Type I backfill protects the pipe during installation from impact damage and extends to the springline of the pipe. Civil. %PDF-1.5 % Please click on the course title to see the full course description. waste aggregate )-4CWP( 4% ceramic waste pow der) represents a 10% aggregate substitution with ceramic waste. Cleaning, Inspecting, and Testing Storm Sewers C. Cleaning and, SECTION 33 41 13 PUBLIC STORM PART 1 - GENERAL 1.01 SECTION INCLUDES A. 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. SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 11/5/13), Stormwater/Wetland Pond Construction Inspection Checklist. What term describes the distribution of various particle sizes with the material? Test pattern is to begin after the first 4 lift above bedding and continue to 1 foot above top of the pipe. 155 0 obj <>stream The components of an underdrain system are: 1) Trench 2) Non woven geotextile drainage fabric 3) Perforated longitudinal pipe (min. Explore Foundation A stable foundation must be provided to ensure proper line and grade is maintained. 16) In the case of UD 7, as asphalt concrete cap is used to complete the backfilling and provide the final surface that is even with the shoulder. %PDF-1.4 SIENA STONE GRAVITY RETAINING WALL INSTALLATION SPECIFICATIONS. STEPS TO CONSTRUCTING A MOISTURE-RESISTANT FOUNDATION SOURCES OF MOISTURE IN NEW CONSTRUCTION. Proper haunching provides support to ensure the pipe s strength is achieved. FOUNDATIONS STEPS TO CONSTRUCTING A MOISTURE-RESISTANT FOUNDATION Build a Better Home Details are critical when constructing a sound building foundation that will withstand water and control dampness. PMO Instructional and Informational Memoranda. (804) 523-2292. help@ccwa.vccs.edu. Cleaning, Inspecting, and Testing Sanitary Sewers B. Topics include permits and fees, trench widths, pipe laying, bedding, initial, SECTION 08000 STORM DRAINAGE 08010 DESIGN A. PDF Appendix E - Proficiency Checklists (REVISED) - Virginia Department of large void spaces and is loosely compacted. For information on the VECAT program, contact Caroline Fahed, 804-288-3169. Bierolson. True or false: Open graded aggregates are used in pavement to give the structure more strength. The gradation is the distribution of various particle sizes within the material. = 15 lifts 5) 15 ifts 2 (one test every other lift) = 7.5, round up to 8 tests in the top 5 ft. of backfill 6) Total tests required = (Number of test below 5 ft.) + (Number of test above 5 ft.) 7) = 11 tests required (minimum) NOTE: Compaction Tests are required on stone backfill (Class I backfill and bedding material); consult the District Materials Division for Maximum Dry Density and Optimum Moisture Content targets for the specific material being used. 6) Line the trench with the non woven drainage fabric. In a saturated soil, the voids are entirely filled with water. False. Soil Compaction Handbook ff Soil Compaction Soil compaction is defined as the method of mechanically increasing the density of soil. <>/Metadata 1689 0 R/ViewerPreferences 1690 0 R>> All of the MCS Certifications arevalid for five years and must be retaken every five years to maintain the certification. The specific locations are shown on the plans. SCOPE. 309 0 obj <>/Filter/FlateDecode/ID[<8C7926BE3CE0893EFFE3D4D04181CA9C><5F163F4C9BEAEE4B999AF08BC3EDB7FD>]/Index[296 27]/Info 295 0 R/Length 74/Prev 443524/Root 297 0 R/Size 323/Type/XRef/W[1 2 1]>>stream In addition to, 7.0 7.1 GENERAL For the purpose of this manual, culverts are defined as structures that are completely surrounded by soil and located below the surface of the roadway parallel to the general direction, QUALITY, PERFORMANCE AND ECONOMY COMBINED LANE S HDPE DRAINAGE PIPE Scan for more information on Lane s HDPE product line. x 12 in./ft. 4 in.) Pipe openings in precast drainage units shall not exceed the outside cross sectional dimensions of the pipes by more than a total of 8 inches regardless of the placement of the pipe, their angles of intersection, or shapes of the pipes. Description Removal or abandonment of existing utilities and underground structures shall include, but not necessarily, 155 E. Front Street (rear) Lititz, PA 17543 Phone (717) 625-1930 Fax (717) 625-1931 Bethel Township Municipal Authority (BTMA) RESIDENTIAL SEWER CONNECTION MANUAL CONSTRUCTION SPECIFICATIONS AND DETAILS, SECTION 9 SEWER/DRAINAGE LINES 9.1 GENERAL This section covers the requirements for piping materials and installation in the Cedar Hills City sewer and drainage collection system. Web Policy / Privacy Statement / WAI Compliance / Email Safety / Site Map, Click here to access guidelines for the VDOT Materials Certification Schools Program (Section 114, Manual of Instructions), ACI Concrete Field Testing Technician Certification Program Schedule, Nuclear Radiation Certifications can now be obtained online through third party vendors, Pavement Marking (only available as an online course), Asphalt Plant Level 1 - Physical demonstration of proficiency -scheduled byGermanna CC, Asphalt Plant Level 2 - Physical demonstration of proficiency - scheduled by Germanna CC, Asphalt Plant Mix Design - Physical demonstration of proficiency - scheduled by Germanna CC, Concrete Field - Current ACI must be submitted to, Soils and Aggregate Compaction - Physical demonstration of proficiency - scheduled by CCWA. SECTION 014500 QUALITY CONTROL PART 1 GENERAL 1.01 RELATED REQUIREMENTS A. 794 (d), please call 800-367-7623. SECTION 701 CULVERT PIPE, ENTRANCE PIPE, STORM SEWER PIPE, AND EQUIVALENTS 701.01 DESCRIPTION. N7R;No7^Y True or false: Open graded aggregates are used in pavement to give the structure more strength. Having one of these functions without the other is worthless. This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. aggregate from the same source, or break up the material . Importance to Maintenance & Water Quality. Computer-based testing (CBT) allows NICET to extend several benefits to our customers: more flexible exam dates and appointment times; immediate scheduling and confirmation; and quicker exam scoring. 2016v1.0 Chapter 4 14, 15 POST INSTALLATION INSPECTION The following is an excerpt from Virginia Test Method 123 Post Installation Inspection of Buried Storm Drain Pipe and Pipe Culverts covering the scope of post installation pipe inspection. A Review of The Use of Reclaimed Asphalt | PDF | Road Surface