grading specification compaction

  • Backfill Specification - MRWA

    Issue Date: Nov 2013 MRWA Specification No 04-03.2 Page 6 of 34 MRWA Melbourne Retail Water Agencies 1.4 Requirements for this Specification Correct trench backfill and compaction is a critical success factor for the projects requiring backfill. Incorrect backfill and compaction by contractors causes the Water Agency to incur

  • Rockfill Placement & Compaction Guidelines for Mine ...

    The conventional earthfill field and laboratory test methods for controlling lift thickness, gradation, moisture content, and compaction are not applicable to rockfills and must be modified to a site specific compactive effort specification using large-scale test fills and heavy vibratory roller compactors.


    of the target grading 35% and shall not exceed 50% in respect of the target grading 35% and shall not exceed 50% in respect of the target grading COLTO SPECIFICATIONS - MARCH 1998 The material shall comply with the requirements in clause 3602 (COLTO) The density requirements of the layer in which the material is used, shall be applicable.

  • Backfill Specification - MRWA

    This Specification sets out the Water Agency's requirements for the backfill and compaction of soils in excavations associated with the construction of water supply and sewerage (pressure and non pressure) assets. This specification refers to the trenchfill zone and not the embedment zone.


    Compaction is a process that brings about an increase in soil density or unit weight, accompanied by a decrease in air volume.There is usually no change in water content.The degree of compaction is measured by dry unit weight and depends on the water content and compactive effort (weight of hammer, number of impacts, weight of roller, number of passes).

  • 19 Spec -Section 301 Base, Subbase, and Subgrade .

    Effective with the December 2018 Letting 117 2019 Standard Specifications Section 301 Base, Subbase, and Subgrade Aggregate 301.1 Description (1) This section describes requirements common to sections 305 through 313 and 350. Exceptions and additional requirements are specified in those sections. 301.2 Materials 301.2.1 General

  • Backfilling Trenches and Other Excavations

    The general process follows three steps that are repeated until the backfill are is at grade level: Backfill in layers of 4 to 6 inches, using non-organic fill material that is free of debris Compact with a 1,000-pound compactor, or as appropriate


    SUMMARY OF SPECIFICATIONS DECEMBER 2010 1 SPEC. NO. DESCRIPTION Section 2 - Grade Construction 2.1 Clearing 2.3 Grading 2.4 Culverts 2.5 Riprap 2.6 Topsoil Placement 2.7 Underground Electrical Conduits 2.8 Perforated Pipe Subdrains 2.9 Salvage of Base Course and Pavement Material 2.10 Manholes, Inlets and Catch Basins 2.12 Fencing 2.13 ...

  • Difference between grading and backfilling - Earthwork ...

    Dec 27, 2009 · There is no specification talking about grading, compaction, earthwork, or anything similar. The grading contractor is performing cuts in excess of several meters and fills of 1 meter and larger. Lacking any other guidelines, based upon the SOW info attached, it appears to me the grading contractor must peform fill work in 15 cm lifts and compact it.


    BASE CONSTRUCTION GUIDELINES These specifications are intended as a GUIDE ONLY, for the design and construction of a "Dynamic Base" used in conjunction with Sportexe® synthetic turf systems. Product specification values are nominal, the information presented is subject to change without notice.


    grading of recovered materials, free from soft material that would decay or disintegrate from weathering. .5 Crushed concrete base course material is limited to a maximum of two percent of the total dry weight of deleterious material. .6 The base course material will be well graded and conform to .

  • 2-01 Clearing, Grubbing, and Roadside Cleanup

    2020 Standard Specifications M 41-10 Page 2-1 Division 2 Earthwork 2-01 Clearing, Grubbing, and Roadside Cleanup 2-01.1Description The Contractor shall clear, grub, and clean up those areas staked or described in the Special Provisions. This Work includes protecting from harm all trees, bushes, shrubs, or other objects selected to remain.

  • Performance Graded (PG) Asphalts

    New Asphalt Binder specification New Mix Design procedure using a new laboratory compaction device. We Have Three Asphalt ... Superpave Asphalt Binder Specification Grading System Based on . Climate. PG 64-22. Performance Grade. Average 7-day. max pavement. design temp. Min pavement.

  • GRADING & BASE MANUAL - Minnesota Department of ...

    Grading & Base Manual April 4, 2013 7 5-692.000. Duties of the Inspector A. General 1. The primary duty of the Inspector is to observe the materials and procedures to ensure that the project is constructed in conformance with the plans, specifications and special provisions. 2.

  • Different Types of Soil Compaction Equipments -Types of ...

    The desirable speed and number of passes for appropriate compaction of soil depends on the type of soil and varies from location to location. About 8 passes are adequate for compacting 20 cm layer. A speed of 3-6 kmph is considered appropriate for smooth wheel rollers.

  • University of Houston Master Construction Specifications ...

    University of Houston Master Construction Specifications Insert Project Name . AE Project Number: Site Grading 31 22 23 – 5 Revision Date: 7/29/2015 . governing jurisdictions. Certification shall be signed and sealed by the engineer of record for the shoring design. 2.


    A. Submit submittal packages in accordance with Standard Specification Section 01300. B. Submit a report from a testing laboratory verifying that imported material is asbestos-free and conforms to the specified gradations or characteristics. 1.06 TESTING FOR COMPACTION A.

  • Missouri Standard Specifications for Highway Construction ...

    The standard specifications book contains material, equipment and construction requirements for items specified in the construction of Missouri's transportation infrastructure. Disclaimer

  • Performance Graded (PG) Asphalts

    Superpave Binder Specification Low Temperature Characterization The Bending Beam Rheometer (BBR) determines the Creep Stiffness (S) of an . asphalt binder at low temperatures. If a binder is too stiff at service . temperatures, you can expect low . temperature cracking.

  • Performance Graded (PG) Asphalts

    New Asphalt Binder specification New Mix Design procedure using a new laboratory compaction device. We Have Three Asphalt ... Superpave Asphalt Binder Specification Grading System Based on . Climate. PG 64-22. Performance Grade. Average 7-day. max pavement. design temp. Min pavement.

  • Road Standards and Paving Standards - ASTM International

    Road Standards and Paving Standards ASTM's road and paving standards provide the specifications and test methods pertinent to the material, physical, mechanical, performance, and application requirements of road surfaces and pavements.

  • 204 Subgrade Compaction and Proof

    If soft or failed subgrade locations are found, take compaction tests to determine if the specifications are met in the top 12" (300 mm). The Engineer should instruct the Contractor to correct any deficiencies found in these locations.

  • 31 23 00 Excavation and Fill - UDFCD

    A. The following is a list of SPECIFICATIONS which may be related to this section: 1. Section 01 57 19, Temporary Environmental Controls 2. Section 31 11 00, Clearing and Grubbing. 3. Section 31 23 19, Dewatering. 4. Section 31 25 00, Erosion and Sediment ation Control 1.03 REFERENCES A.

  • AASHTO #57 Stone Specs - Capitol Flexi-Pave

    specifications state that it should be compacted to 95% of Proctor values. So rather than compaction tests, #57 stone should have it's individual stone facets properly oriented using a plate compactor, jumping jack, or other vibratory compaction devices. Using compaction equipment, #57 stone will typically compact about one inch


    GRADING Grading is the process of bringing earthwork to the desired shape and elevation. Finish grading (finishing) involves smoothing slopes, shaping ditches, and bringing the earthwork to the elevation required by the plans and specifications. Finishing follows excavation, compaction, and grading .


    Construction Specification CS-OR-023 is applicable to all types of earthfill including fill sections constructed of rocky soils and embankments constructed of soft or friable rock that is expected to break down during compaction. 023.2 MATERIAL SPECIFICATIONS . No material specifications complement Construction Specification CS-OR-023.

  • Item 247 Flexible

    specifications. Notify the Engineer of the proposed material sources and of changes to material sources. The Engineer may sample and test project materials at any time before compaction throughout the duration of the project to assure specification compliance. Use Tex-100-E material definitions. 2.1. Aggregate. Furnish aggregate of the type and grade shown on the plans and meeting the .


    oriented specification, the references below shall be considered to be the OPSS listed, unless use of a provincial-oriented specification is specified in the Contract Documents. This specification refers to the following standards, specifications, or publications: Ontario Provincial Standard Specifications, Construction . OPSS 206 Grading

  • Grading Guidelines - Department of Public Works, Los ...

    grading permit shall be obtained for each property. Generally, plans and permit for grading must be processed and issued separately from and prior to any building permit on the property. Building permits cannot be issued until rough grading (graded soil surface is within six inches of final ...

  • Introduction to roadbase products and

    Roadbase is a well graded material, consisting of various sized particles containing coarse and fine aggregate, that when mixed and placed correctly enable compaction of the material into a layer that resists distortion due to weather cycles of wetting and drying as well as deformation due to vehicular mass and movement.

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