Structure Earthwork: 02200. 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 General: Submit the following in accordance with The General Conditions. 55 terms. SECTION 15076 CEMENT-MORTAR LINED AND COATED STEEL PIPE. Larry Ritchie, SECTION 6000 - EXCAVATION, TRENCHING AND BACKFILLING (Pipeline Construction), Table 4.9 Storm Drain Inlet Protetion Applicable for, INSTALLATION GUIDE. 4 in.) % Soils & Aggregate CCWA $ 350.00 $ 250.00 Handson proficiency will be scheduled upon . Proper haunching provides support to ensure the pipe s strength is achieved. Table of Contents 1. + (12 in. Schedule PH (Form 1120) (1960). Manufacturing and Trades >> VDOT - Certifications. 4) What is the maximum size a rock to be placed within 12 inches of a pipe? Trench widths may be varied, based on the competency of the in situ soil, backfill materials, compaction levels and loads. 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. 2e\o ngV10J6q`pp)|Hpm3@BF > endobj 298 0 obj <> endobj 299 0 obj <>stream X, `| 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. Bierolson. When you learn and master soils inspection, your market value shoots up. 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. Screen the sample over a 3/4-inch sieve and replace the aggregate retained with an equal weight of No. RIPRAP From Massachusetts Erosion and Sediment Control Guidelines for Urban and Suburban Areas http://www.mass.gov/dep/water/laws/policies. Description. B. 3 0 obj hbbd``b`~$CC`LZ eQ@dq ;&F d}0 ICC Soils Special Inspector Certification Test Training | SI Certs 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. 2016v1.0 Chapter 4 6, 7 TRENCH FUNDAMENTALS Trench Terminology The bedding is typically 4 8 thick. 1. = 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. This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. Download. If the mandrel test is to be performed to mechanically measure deformations/deflections of the pipe/culvert, the mandrel used shall be a nine (or greater odd number) arm mandrel, and shall be sized and inspected by the Engineer prior to testing. The values are often affected by varying percentages of large aggregate which consultants and contractors do not usually put into consideration. 35 terms. hYoF#4rPzL@]Gb)3d@pa@sc/IK^0@Qq. ACI Concrete. Confined O Ring: The first rubber gasket joint design established by the industry. bored but can't be bothered to do anything. waste aggregate )-4CWP( 4% ceramic waste pow der) represents a 10% aggregate substitution with ceramic waste. Structural Fill See Section (A)(2)(g) of the Road and Bridge Specifications for complete requirements for backfill material. Civil. SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 11/5/13), Stormwater/Wetland Pond Construction Inspection Checklist. Rigid pipe properly fitted, sealed with rubber, preformed plastic, mastic gaskets Flexible Pipe properly aligned and joined with approved coupling bands Joint Performance Terminology Soil Tight: A joint that is resistant to infiltration of particles larger than those retained on the No. 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. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Instantly. BOX 27032 RICHMOND, VIRGINIA 23273 PERMIT NO. These underdrains are segmented systems with outlets spaced at 250 to 350 feet. This happens because large pores more effectively move water downward through . True. 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. The components of an underdrain system are: 1) Trench 2) Non woven geotextile drainage fabric 3) Perforated longitudinal pipe (min. Effect of Rock-Sized Aggregates on Soil Compaction Results . No. (804) 523-2292. help@ccwa.vccs.edu. The requirements for pipe material and installation in sewer and drainage collection systems. 5) Why is lime used with soil? <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 11 0 R 12 0 R 21 0 R 25 0 R 31 0 R 32 0 R 33 0 R 34 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 60 0 R 61 0 R 62 0 R 63 0 R 64 0 R 65 0 R 66 0 R 67 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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. In construction, this is a significant part of the building process. For assistance printing or verifying your Materials Certifications Report use this click here. Pollution Prevention Field Guide for Construction Activities. A REVIEW OF THE USE OF RECLAIMED ASPHALT - Read online for free. Fine particles are more sensitive to the presence of water than coarse particles. TThe Construction Materials Testing Soils exam is delivered on a computer at Pearson Vue Testing Centers. VDOT Soils and Aggregate Compaction: Chapter 3. Conform to requirements of Section 01 33 00 Submittals. The fill above the top of the regular backfill shall be installed and completed as specified for embankment construction. San Antonio Water System Standard Specifications for Construction ITEM NO. Length of run = 275 ft. (Pipe Diameter lift thickness) + (Fill above pipe lift thickness) (1 lift) = 1) (48 in. VDOT Soils and Aggregate Compaction" Download Document. SUMP DRAINS 7-3 7.3. SECTION 7- STORM SEWER 7.1. It is placed in 6 loose lifts and compacted to 4. AASHTO T99 The Moisture-Density Relations of Soils using a 5.5-pound Rammer and a 12-inch drop. Having one of these functions without the other is worthless. (500 grams) of soil. Responds to data requests. Unsuitable or unstable foundations may be undercut and replaced with a suitable bedding material, placed in 6 lifts. 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. If it is a routine entrance, or crossover pipe 12 to 30 in diameter, that is to be installed under fills 15 feet or less in height, no exploration is needed. Locate Utilities Prior to excavating the trench area, all utilities should be located by a qualified contractor. 794 (d), please call 800-367-7623. VDOT Materials Certification Schools - Business | Virginia Department Suggested participants would include contractor and supplier quality control personnel, consultants, testing firms and agency . SIENA STONE GRAVITY RETAINING WALL INSTALLATION SPECIFICATIONS. SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering. SECTION 9.02 BUILDING SUBSURFACE DRAINS (PERIMETER, ETC. Block and gravel inlet Protection (Temporary) 6.52.1. Importance to Maintenance & Water Quality. Figure 4.1: Precast Concrete Pipe 2016v1.0 Chapter 4 1, 2 BASIC PIPE AND SOIL CONCEPTS The type of pipe selected for a particular application depends on many factors. 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. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. VDOT Soils Flashcards | Quizlet CHARACTERISTICS OF SOILS AND THEIR PDF fileVDOT Soils and Aggregate CHAPTER 4 STUDY QUESTIONS 2) True or False. Pipe Materials B. Backfill material shall be knifed into the area along the bottom edge of the pipe. %PDF-1.5 % Fine particles are more sensitive to the presence of water than coarse particles. When planning a pipeline installation, there are 2 key functions that we must design the pipeline to provide. The gradation is the distribution of various particle sizes within the material. STORM SEWERS 402.01. The side is called the drainage side. = 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. If the soils is 100 percent saturated and the voids are full of water and has a high MC. 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? 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. Materials Division - Virginia Department of Transportation `*r[anyv One (1) copy of application and four (4) copies of plans are hereby made to the Director of Public Works, SECTION 02612 PART 1 GENERAL 1.1 SUMMARY A. 16) What is the level of compaction required for pipe backfill? Testing is no longer mandatory on the last day of class. x]mo8^AXIQ/Ivzvw8NjL{bs(JIeYy!E'b~t_,NO?Ob]/yI(24z\|D/__8yC2|A5ID Q^G{q}I4w4/.jYYL%o#'? This site uses cookies to enhance site navigation and personalize your experience. The top few inches should be slightly yielding (loose) and fill the corrugations. Fill Vdot Soils And Aggregate Compaction, Edit online. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix C | 5 Minimum/Maximum Cover All Culverts 24 minimum cover Absolute minimum fill height (12 ) Except for entrances (9 minimum) All pipe should have three feet of cover on it before construction traffic is allowed across it. In a rigid pipe, this zone has zero effect on the load carrying capacity. 10) Backfill the trench using clean #8 or #57 aggregate as soon as practical, but not later than the end of each working day. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. endobj 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. The work of this Section includes furnishing and installing Reinforced Concrete Pressure Pipe as shown on the Drawings and as specified. 18) What is the minimum amount of cover over pipe to prevent damage from construction loads? And the pipe must provide structure, because if the ground above the pipe collapses then the pipe can no longer perform as a conduit. %%EOF 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. A. Construct subdrains, subdrain cleanouts and outlets, and footing drain collectors. The camera must have the means to measure deformation/deflection of the pipe. 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. 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 . 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. The goal shall be to collect, C PROJECT ESTIMATE ASSUMPTIONS AND EXCLUSIONS In support of the alternatives development process, preliminary cost estimates were prepared for each of the three Candidate Build Alternatives. Upstream or down stream? 'i$%qyI4[hmrZF 4Obz:;q"ZIE0~^I!)s6E@DCVj'1ey(IL#"`L.>G'@>{7&l0. 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. 500 grams is the minimum sample required for soils and for aggregate the sample size depends on the Nominal Maximum Size Aggregate. 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. Pipe should be stored in an out of the way location where it will not be damaged. stiffness 35 psi) is the collecting conduit 4) Aggregate backfill (#8 or #57) 5) Non perforated smooth wall outlet pipe (min. 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. 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 inspection requirements and backfill testing frequencies and procedures Understand the basic principles of pavement drain construction INTRODUCTION A well installed pipe should stay in service 50 to 100 years with little or no repair. Test pattern is to begin after the first 4 lift above bedding and continue to 1 foot above top of the pipe. 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* Students must bring valid ID & attend class in order to test. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix E | 9 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. VDOT Soils and Aggregate Compaction: Chapter 5 - Quizlet The foundation is to be explored below the bottom of the excavation to determine the type and condition of the foundation. 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.
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