Cleaning, Inspecting, and Testing Storm Sewers C. Cleaning and, SECTION 33 41 13 PUBLIC STORM PART 1 - GENERAL 1.01 SECTION INCLUDES A. Applications for a zoning district map amendment (rezoning), conditional rezoning, planned development, or conditional use permit shall include a VDOT traffic impact statement (VTIS), and applications for a site plan or preliminary plat shall include a traffic impact statement (TIS), where the proposed development is reasonably anticipated to . For all roadway projects that are constructed by private contractors for VDOT and for all roadway projects constructed by others that are or will be proposed to be accepted into the VDOT highway system, a visual/video camera post installation inspection is required on all storm sewer pipes and for a selected number of pipe culverts in accordance with the instructions contained in this VTM and Section of the VDOT Road and Bridge Specifications. 296 0 obj <> endobj The top few inches should be slightly yielding (loose) and fill the corrugations. Drainage Manual. 10) What is the maximum backfill lift thickness? 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. Civil. The components of an underdrain system are: 1) Trench 2) Non woven geotextile drainage fabric 3) Perforated longitudinal pipe (min. protection. SECTION 014500 QUALITY CONTROL PART 1 GENERAL 1.01 RELATED REQUIREMENTS A. Road and Bridge Standards. 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). (500 grams) of soil. Structure Materials C. Installation D. Inlets and Outlets 08030 INSPECTIONS AND TESTING. 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. Suggested participants would include contractor and supplier quality control personnel, consultants, testing firms and agency . 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. Work includes furnishing and installing precast modular blocks, : Construction Inspection ChecklistsTools Stormwater/Wetland Pond Construction Inspection Checklist Project: Location: Site Status: Date: Time: Inspector: SATISFACTORY/ UNSATISFACTORY COMMENTS Pre-Construction/Materials. True or false: A soil that contains a high percentage of fines is more affected by water that one with a low percentage of fines. Locally Administered Projects Manual Updates and Materials Quality Assurance Plan Requirements May 11, 2015. 13) What is the maximum allowed crack size of a rigid pipe? 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. Install Pipe The grade of the pipe should always be monitored during installation. We will be looking into this with the utmost urgency, The requested file was not found on our document library. Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. The UD 4 is used with new construction, while the UD 7 is used for retrofitting existing pavements. The pipe should be stacked and chocked to avoid movement of the pipe. SUMP DRAINS 7-3 7.3. CHAPTER 4 STUDY QUESTIONS 2) True or False. Soil Compaction Handbook ff Soil Compaction Soil compaction is defined as the method of mechanically increasing the density of soil. There is a variety of pavement under/edge drains in the VDOT Road and Bridge Standards Volume 1 ( ) with each addressing a specific geometric condition and groundwater condition. Students are required to register for classes on the GCC and/or CCWA web sites. VDOT Soils and Aggregate Compaction: Chapter 2, VDOT Soils and Aggregate Compaction: Chapter 3, VDOT Soils and Aggregate Compaction: Chapter 4, VDOT Soils and Aggregate Compaction: Chapter 5, VDOT Soils and Aggregate Compaction: Chapter 8, VDOT Soils and Aggregate Compaction: Chapter 6. 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). This prevents disruption of the backfill envelope when removing the shoring or trench box. For positive projection embankment installations, the embankment material should be placed and compacted to a minimum of one foot above the pipe and the trench excavated into the embankment. 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. Copyright 2023, VDOT. 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). Section Includes: Furnishing and installing nonreinforced concrete sewer pipe. All sewer laterals shall tie into the sewer main lines unless approved by the City Engineer. CULVERTS AND BRIDGES 7-5 7.7. It should be reviewed by a qualified civil or geotechnical engineer, or landscape architect familiar with the site conditions. The compaction equipment will ride on the native soil and not allow for proper consolidation of backfill. The following drawing provides typical VDOT standards for pipe bedding and backfill. When backfill material is above the spring line of the pipe, start at the trench wall and work towards the pipe. Grade Adjustment of Existing Miscellaneous Structures 600-8 3. xZKs2>Ip P7[Sq9FoLLmJgl~K"5JtB2+!765nt-8\Gf._o{}E Additionally, a copy shall be furnished to local VDOT Asset Management personnel to document the pipe/culvert condition at that point in time. 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. bKjL,gBZqa>,\w This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. 1.02 REFERENCES, PART 1 - GENERAL Section 02702 SEWER PIPE INSTALLATION AND TESTING 1-1. 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? 5) True or False. 200 sieve. Cracks shall be digitally scanned to allow for accurate measurement. Please click on the course title to see the full course description. 4 in.) The values are often affected by varying percentages of large aggregate which consultants and contractors do not usually put into consideration. 7) What is the maximum height of cover for a 48 inch pipe diameter Class IV concrete pipe culvert? Excavate Trench Proper trench widths will allow for proper compaction alongside the pipe. This type joint gasket combination provides a leak resistant joint. In addition, two app roaches, soil compaction, and optimal workability are When backfill is below spring line of pipe, compact next to pipe first and work towards the trench wall. 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. endobj We developed this course with the input of 30-year inspection managers, engineers, and other industry experts. qc]o^~n_Q%adt|Ha$|y%{DF0*&pu6YoV77Rjk1}O7MEnvGHN5ltvMaCpZVl^hTlkQ0Vd5Lgf]n v.l PU5,ep jL4*$:@i'gCo'?(j]IDD1s0NhJ#+H>L[x5IG ++lx.g44FKp[\E{{ 4Y~r\=5ntm)U&LO,~?rmua*)[FDyU{|ba ,n-Osl?*O%AAwoi6y(^f6.qtRz m%UieD,s ,`#2%"%z*)T C]}9xiool+5hlG 7x9xq.N?K#!v70o%W"aa#gqm?btkABf1y6kudW\L-NzUvZK4oN^G)D|;&dU_9*k5NR]Nlmu.J NT6lW-a% ItC&1`{z'`kP wh"0h{ 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. 11 terms. For information on the VECAT program, contact Caroline Fahed, 804-288-3169. SECTION 701 CULVERT PIPE, ENTRANCE PIPE, STORM SEWER PIPE, AND EQUIVALENTS 701.01 DESCRIPTION. Participated in traffic . 155 0 obj <>stream Test pattern is to begin after the first 4 lift above bedding and continue to 1 foot above top of the pipe. And the pipe must provide structure, because if the ground above the pipe collapses then the pipe can no longer perform as a conduit. True or false: Open graded aggregates are used in pavement to give the structure more strength. A REVIEW OF THE USE OF RECLAIMED ASPHALT - Read online for free. A trench at the edge of the pavement provides a cavity with the least resistance for water to flow and accommodate pavement drainage. Trenching should be completed in existing soils with sidewalls reasonably vertical to the top of the pipe. 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. Care must be exercised to ensure placement and compaction of the embedment material in the haunches. 2 0 obj Backfill material shall be knifed into the area along the bottom edge of the pipe. J\b 0). %%EOF 57 stone MUST be capped with a minimum of 4 crusher run prior to placement of pipe or box culvert. A. 1. 3. 12) Backfill is usually placed loosely and heaped above the finished level. Bierolson. Portion of Section 2102 . There are many types of compaction equipment available. Description 200-2 201 GENERAL 200-2 201.1 SPECIFICATIONS 200-2 201.2 CONNECTION TO EXISTING FACILITIES 200-3 202 MATERIALS 200-3 202.1 PIPES 200-4, VIDEO INSPECTION AND LASER DEFLECTION TESTING FOR POST CONSTRUCTION QC/QA SPECIFICATIONS AND MAINTENANCE INSPECTIONS BY JOHN FLECKENSTEIN PIPELINE AND DRAINAGE CONSULTANTS INTRODUCTION History Of Post, 601.1 601.2(a) SECTION 600 INCIDENTAL CONSTRUCTION SECTION 601 PIPE CULVERTS 601.1 DESCRIPTION This work is construction or reconstruction, inspection, and cleaning of pipe culverts; including subsurface, Model Specification 509 DRISCOPLEX 4200 and DRISCOPLEX 4300 Gravity Flow Sanitary Sewer The user may choose to adopt part or all of this Model Specification; however, the user should ensure that all parts, STANDARD SPECIFICATIONS SECTION 02701 INSTALLATION OF GRAVITY SEWER PIPELINES PART 1 - GENERAL A. aggregate from the same source, or break up the material . 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. (test every other 4 in. All rights reserved. 1.02 REFERENCE, CLEANING, INSPECTION, AND TESTING OF SEWERS PART 1 - GENERAL 1.01 SECTION INCLUDES A. Links may open in a new window. 1 (do not test 1st lift) = 2) = 14 tests required per 300 (Answer) Pipe Testing Frequency Example 2: Pipe Diameter = 36 in. 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 . Students must bring valid ID & attend class in order to test. Debris in the pipe Coatings free of cracks, scratches and peeling Cracks (longitudinal and circumferential) Spalls and Slabbing For metal and plastic pipe localized buckling, bulging, cracking at bolt holes, flattening, or racking, etc. Lime is used with soil to add strength to the mixture, to raise the pH of the mixture, to assist in drying out soils, and to reduce soil plasticity. VDOT : Central Mix Aggregate Plant with Proficiency - FULL PRICE NON VIRGINIA RESIDENTS, CCWA - Workforce Development and Conference Center, VDOT SELF-STUDY: Central Mix Aggregate Plant with Proficiency, VDOT SELF-STUDY: Soils and Aggregate Compaction, VDOT: Central Mix Aggregate Plant with Proficiency, VDOT: Documentation and Recordkeeping for Inspectors. SECTION 9.02 BUILDING SUBSURFACE DRAINS (PERIMETER, ETC. Proper haunching provides support to ensure the pipe s strength is achieved. At the engineer of record's. hV[oH+hz3HJ SOILS COMPACTION AND TESTING 2015 Technical Training & Certification Program . 2. Structure Earthwork: 02200. Please click on the course title to see the full course description. 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. Contractor shall ensure that all permits are obtained prior to any construction. Length of run = 275 ft. (Pipe Diameter lift thickness) + (Fill above pipe lift thickness) (1 lift) = 1) (48 in. 2e\o ngV10J6q`pp)|Hpm3@BF > endobj 298 0 obj <> endobj 299 0 obj <>stream Virginia Department of Transportation documents: Road and Bridge Specifications and appropriate supplemental specifications Virginia Test Methods Manual Road and Bridge Standards. American Water Works Association Manhole, Frame, and Cover Installation (includes Drop Manhole) Additional Manhole Depth. 0 endstream endobj startxref Please click on the course title to see the full course description. The exploration should extend to a depth equal to per foot of fill height or 8, whichever is greater. SECTION LS 2530 SANITARY SEWERS. If the inspection is to be conducted with a video camera, the video camera shall have fully articulating lenses that will provide a 360 degree inspection of the pipe/culvert, including each joint and any deficient areas of the pipe/culvert, as well as a means to measure deformations/deflections of the pipe (items such as a laser range finder or other appropriate device for taking such measurements as specified herein and approved by the Engineer). What is the minimum number of density tests that should be run on the backfill material? Location B. Sizing TABLE OF CONTENTS 08020 MATERIALS A. Highway Plan Reading Guide. The foundation is to be explored below the bottom of the excavation to determine the type and condition of the foundation. Product data for drainage piping specialties. 4) Provide a minimum 0.5 to 1% longitudinal slope to enhance positive drainage. %PDF-1.7 14) Fold the drainage fabric to provide 100% overlap at the top of the trench. 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 11, 12 Types of Joints for Concrete Pipe Tongue & Groove: A bell & spigot type joint with straight walls (flush bell). SECTION 33 41 03 POLYVINYL CHLORIDE (PVC) PIPE, STANDARD SPECIFICATIONS SECTION 03461 PRECAST REINFORCED CONCRETE MANHOLES AND MANHOLE BASES. stream 282 0 obj <> endobj excavated drop inlet protection (Temporary) 6.50.1 6.51.1. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix C | 5 JnqYj A"@. B. 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. These heavy loads can cause considerable damage in flexible pipes and can cause D load cracking in rigid pipes. Silt and clay are made up of particles smaller than the No. 4 in. The camera must have the means to measure deformation/deflection of the pipe. GRIT Manual. Rubber gaskets may be used when the joint slope is five degrees or less, however it is usually limited to mastic or butyl sealants. RIPRAP From Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas http://www.mass.gov/dep/water/laws/policies. Contractor shall be responsible for all utility fees. . A. Construct subdrains, subdrain cleanouts and outlets, and footing drain collectors. Study with Quizlet and memorize flashcards containing terms like What are the three differences between the AASHTO T-99 and AASHTO T-180?, How many layers of soil are required to make a standard proctor mold? When planning a pipeline installation, there are 2 key functions that we must design the pipeline to provide. Fill Vdot Soils And Aggregate Compaction, Edit online. 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. TABLE OF CONTENTS. 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). endobj 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. These underdrains are segmented systems with outlets spaced at 250 to 350 feet. 129 0 obj <> endobj Download. No. When you learn and master soils inspection, your market value shoots up. This work consists of constructing storm sewers of the size and class required, including excavation, bedding, and backfill. 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. suzanna_gevorgyan. 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. Personal Holding C, Civil Service Personal Background Evaluation, Revised 7/16. hYoF#4rPzL@]Gb)3d@pa@sc/IK^0@Qq. 14) What is the maximum deflection allowed for flexible pipe? When standing water is in pipe foundation area, No. Often, shaped beddings are used to insure proper placement and compaction of materials under the pipe haunch. It is placed in 6 loose lifts and compacted to 4. We encourage you to plan accordingly and register soon, to allow ample time for your staff to meet all the requirements needed for recertification. Materials Notebook Resource Document (pdf 2 MB) March 16, 2015. 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. If you have questions, please provide us with the course title and number when e-mailing or calling. 18) What is the minimum amount of cover over pipe to prevent damage from construction loads? Larry Ritchie, SECTION 6000 - EXCAVATION, TRENCHING AND BACKFILLING (Pipeline Construction), Table 4.9 Storm Drain Inlet Protetion Applicable for, INSTALLATION GUIDE. Conditions of Use Type of Inlet Protection, INSTALLATION GUIDE americanwick.com 800.242.WICK (9425) American Wick Drain SITEDRAIN prefabricated drainage products may be installed in a variety of civil construction applications including: retaining. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix B | 2 SOILS AND AGGREGATE COMPACTION FIELD CERTIFICATION STUDY GUIDE 2016 Prepared By: The Virginia Department of Transportation (VDOT), Materials Division Note: The information included in this manual is generally compatible with current VDOT Road and Bridge Specifications; however, it should not be considered or used as a primary reference for VDOT Conform to requirements of Section 01 33 00 Submittals. Length of run = 856 ft. (Pipe Diameter lift thickness) + (Fill above pipe lift thickness) (1 lift) = 3) (36 in. If the soils is 100 percent saturated and the voids are full of water and has a high MC. 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. Other methods of stabilization, such as geo fabrics may be appropriate based on the engineer s judgment. The work of this Section includes furnishing and installing Reinforced Concrete Pressure Pipe as shown on the Drawings and as specified. In this research work three methods of handling rock sized aggregates which include compacting the whole sample (method . ), Index. 2016v1.0 Chapter 4 19, APPENDIX K PIPE INSPECTION **Virginia Test Method 123** Post Installation Inspection of Buried Storm Drain Pipe and Pipe Culverts June 25, 2010 SCOPE For all roadway projects that are constructed by private, SECTION 55 PIPE FOR STORM DRAINS AND CULVERTS (FAA D-701) 55-1 GENERAL The Contractor shall perform all work required by the plans for construction of pipe for storm drains, precast polymer trench drains, State of Illinois Department Of Transportation CONSTRUCTION INSPECTOR S CHECKLIST FOR STORM SEWERS While its use is not required, this checklist has been prepared to provide the field inspector a summary, SECTION 724 PIPE CULVERTS 724.1 Description. 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. 200 sieve. 0 vdot soils and aggregate certification There is still an opportunity to test on the last day of class; however there is . CITY AND COUNTY OF DENVER ENGINEERING DIVISION Wastewater Capital Projects Management Standard Construction Specification 10.1 Precast Concrete Pipe 10.1.1 General This section covers material requirements, DIVISION 4300 STORM DRAINAGE SECTION 4305 STORM SEWER PART 1 - GENERAL 1.01 SCOPE This section covers the construction of storm sewers for the collection and transport of stormwater runoff. Section includes specifications for storm drainage systems including modifications and connections to existing storm drainage systems. Explore Foundation A stable foundation must be provided to ensure proper line and grade is maintained. 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. VDOTSoilsandAggregateCompaction 6 FIELDMOISTUREANDDENSITYTESTING WITHTHENUCLEARGAUGE LEARNINGOUTCOMES . 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. What term refers to the texture and firmness of a soil? 1. small voids and is compact. 15) What end of the pipe system do you start installation? stream Fine particles are more sensitive to the presence of water than coarse particles. Description. 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. X, `| The joint consists of a tongue (male end) and groove (female end) with no defining areas for gasket material placement. 3) What are the testing requirements for backfilling around pipe? SECTION 7- STORM SEWER 7.1. 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. <> Pipe Culverts 600-1 A. Endwalls, Inlets, Manholes, and Spring Boxes 600-5 2. Your one-stop source for VDOT maps, data and project info. MANHOLES 7-4 7.5. Place sample in container and weigh. The above components are designed to perform three functions to aid in draining water from the pavement; these are: Intercept Collect Discharge Following is a general guide on the installation of underdrain/edge drain systems: 1) Excavate trench making sure the side walls are stable 2) Remove any sloughed materials from the trench 3) The dug out material is picked up with conveyor belt and loaded in trucks or piled on one side then picked up by a front end loader.