Technical Specification 013 EXCAVATING, GRADING, TRENCHING, & BACKFILLING 1.0 General a) The utility contractor shall furnish all labor, equipment, and materials for all excavation, grading, trenching, and backfilling associated with the installation of water, sewer, pump stations, drainage structures, curb and gutter, streets, sidewalks, driveways, slopes, storm drainage, and other … GM, CPS 27.03.15 1.1 Scope clarified. The materials used for backfilling for the purpose of this Specification must be as defined and designated in this clause. The backfill is the material used to refill the trench after the pipe and the embedment have been placed. 4-1902E Embankment Construction . This WORK shall consist of all labor, equipment, and materials necessary for excavation, trenching, and backfilling for utility lines and other related WORK. 2. 0000002640 00000 n x�b```�Lf���cB��O���20�)�(L����k����z ݔE�=�@���H2��f304 u F 8H�40�e�٘�d`�I��@� v� Inspection request to be submitted for completion of work and ensure its approval from consultant. Check this is the latest version before use. For further discussion. Shale – rock like materialthat breaks down under compaction. Backfill materialscan generally be graded as: 1. The joint cord must be compatible with the sealant and may not prevent it from changing shape. Backfill or Fill Material 12 S Placement of Backfill or Fill R5 13 12 @ COPYRIGHT 1973 EBASCO SERVICES INCORPORATED TWO RECTOR STREET NEW YORK . Backfilling operation involves reclamation purposes in excavated areas or engineering purposes in landscaping, however it has to substitute other materials that are not waste. 902.02 REFERENCES . Related Work Specified Elsewhere. 0000001903 00000 n Purpose of Revision This is a new document in the Substructures section of the Underground Construction documents. 1010.02 REFERENCES . 0000001674 00000 n Backfilling operation involves reclamation purposes in excavated areas or engineering purposes in landscaping, however it has to substitute other materials that are not waste. 0 Coarse grained soils – gravelly and sandy soils ranging from clayto gravel. The Contractor must correct any deficiencies of backfilling exposed by settlement. Disposal of excess and unsuitable excavated material is included. City of Prince Albert Master Specifications 2.0 PRODUCTS 2.1 Materials .1 Imported Granular Backfill: .1 Clean, hard, durable uncoated particles, free from clay lumps, cementation, organic and other objectionable material, meeting following gradation limits: ASTM Sieve Designation Per Cent Passing 50.0 mm 100 31.5 mm 60 - 100 16.0 mm 40 - 90 4.75 mm 25 - 60 2.00 mm 20 - 50 0.425 mm 10 - 25 … SPECIFICATIONS - BACKFILLING Where either detailed within the Plans and Specifications or where ordered by the Engineer, backfilling of the trench shall proceed to the surface using the materials taken from the trench. a good backfill materials must have a chloride and sulphate content not exceeding 0.05% and 1.2 gm per liter respectively. x�b```b``y�����q�������㣀 ���L�\� Thermocrete 14:1 has a low thermal resistance and as a result the material can conduct heat, away from the cables that is produced during electricity transmission. 902.06 EQUIPMENT . trailer B. Imported sand used in the pipe base and pipe zone shall consist of natural or manufactured startxref 2.5.3 Pipe Embedment Material Placement: 1) Storm Drain: After the pipe is in place, embedment material shall be placed at any point below the mid-point of the pipe simultaneously and uniformly on both sides of the pipe up to one-half the In this post, we will be considering the common backfill material specification for imported soil materials. 0000000016 00000 n 0000001863 00000 n TRENCHING AND BACKFILLING FOR UTILITIES RELEASE – R2.0 SECTION 33 05 28 BART FACILITIES STANDARDS Issued: 09/30/2008 PAGE 4 OF 4 STANDARD SPECIFICATIONS unstable material, the bed shall be made firm and solid by removing said unstable material to a 902.08 QUALITY ASSURANCE - Not Used . Standard Specifications Section 810—Roadway Materials B. Referenced Documents AASHTO T 27 GDT 4 GDT 6 GDT 7 GDT 67 812.2 Materials 812.2.01 Foundation Backfill, Type I A. The materials shall be left mounded to provide for settlement. Hard rock might be specifiedfor crushing. 2.03 IMPORTED SAND--PIPE BASE AND PIPE ZONE A. TABLE OF CONTENTS . structures, backfill material must meet certain specifications and be compacted by acceptable methods to adequate density. E. Place and compact granular beds, as required, and … d. The density of the compacted backfill shall be tested and 902.09 MEASUREMENT FOR … Construction Specification for . Placing material for subgrade improvement. and backfill materials from sources previously undeveloped, or unfamiliar to TMWA, tested and certified by an approved, independent materials testing laboratory, per these specifications. %%EOF OPSS 401.05.01 Embedment Material . Backfill material now termed “Select Fill material”, consistent with terminology used in R44. 3. In close-timbered tunnels, drives and shafts, the Contractor must fill the voids behind the timber ground support by pressure grouting or other approved means. of the maximum dry density of the backfill material used as determined by a Standard Proctor Test (ASTM D-698). clauses 608, 609, 612 (of Series 600 specifications for earthworks) and Table 6/1. paved surface or non-developed). The trench shall be backfilled with Type 3/8 material to a height of 12 inches above the pipe in a maximum of 12 inch wetted lifts which shall be hand compacted. A. B. Rock – suitability depending on hardness and gradation. 739 21 OPSS 401.05 MATERIALS . endstream endobj 758 0 obj <>/Size 739/Type/XRef>>stream 902.04 DESIGN AND SUBMISSION REQUIREMENTS . 1. Excavation classifications and backfill materials are specified in Section 31 23 00, Excavation and Backfill, General. Specification Ver 2.0 Ergon Energy Corporation LimitedABN 50 087 646 062 Ergon Energy Queensland Pty Ltd ABN 11 121 177 802 . Creation and dispersion of dust shall be minimized during backfilling by suitable means. 0000009652 00000 n 2. Trenching, Backfilling and Compacting . Standard Drawings. H��W�s�H~�*���c����{ 1Z�[[��������_O��`A���� i�,b��Gx�����֝��d��e�a��0Z�������>���/a��GdO���k�>�ص���� 3�0F��������X옺�2����Kw�. xref Standard Specifications Utility Backfill Materials Revised January 2017 31 23 23-7 such as asphalt, reinforcing steel fragments, soil, waste gypsum (calcium sulfate), or debris. Type 1 must be of a crushed nature to provide a stable sub-base for road surfaces and pathways. Withdraw shoring material during backfill, & backfill material shall be compacted such a manner that structures or utilities shall not disturbed or damaged. 3. 2.1 describe the range of backfill materials permitted in the current specification 2.2 explain the factors that influence the selection of materials for use as backfill or for disposal 2.3 describe the consequences of using unsuitable materials for backfill 2.4 describe the materials that are suitable for use in … With all the benefits of Thermosand and an improved thermal performance, the product … GM, IC 15.02.13 Ed 4/Rev 0 Global Clauses rearranged and reworded to improve clarity. 1.2 DEFINITIONS A. Backfill: Soil material … A. 0000010497 00000 n PART 1 GENERAL . MATERIALS TO BE USED : As per the requirement and the direction of project manager. Include a review of the information handout and an onsite observation during clearing. 4.BACKFILLING MATERIALS 4.1 The following classes of material which are fully described in the 600 Series of the Specification are acceptable for backfilling to retaining walls and abutments: (a) Class 6N - Selected well graded granular material. The backfill material is spread to a loose depth of first layer 350 / 300 mm ( Select fill / Cleans sand)withcompactionby water flooding and internal inspection only followed by laying backfill material for second layer of thickness 350 / 300 mm ( Select fill / clean sand) with compaction by water flooding and final inspection by the client. Coarse-grained soils include gravelly and sandy soils and range from clayey … 1010.08 QUALITY ASSURANCE . Incorrect backfill and compaction by contractors causes the Water Agency to incur risks associated with backfill subsidence and collapse such as: Customer inconvenience and dissatisfaction. Section 01 57 19, Temporary … The material shall then be fine graded in accordance with the specification for fine grading herein. The size of the disturbed area should be kept to the m inimum required to do the job. Marginal materials - including fine-grained soils of high plasticity and expansive cl… 1.4 Requirements for this Specification Correct trench backfill and compaction is a critical success factor for the projects requiring backfill. Type A (crushed rock and sands) Crushed rocks and sands permitted for backfilling: Type A1 - 20 milllimetre VicRoads Class 2 crushed rock. non-waste materials”. 133 0 obj <> endobj 133 10 902.01 SCOPE . 0000000496 00000 n 1.01 SECTION INCLUDES . 0000001343 00000 n trailer 1010.05 MATERIALS . The materials listed below are as described in Series 600 MCHW1. Type A2 - 20 milllimetre VicRoads Class 3 crushed rock . Coarse-grained soils. June 2011 Specification 1001 (I) Page 1 of 7 Manitoba Infrastructure and Transportation SPECIFICATIONS FOR SUPPLYING AND PLACING BACKFILL 1.0 DESCRIPTION The Work shall consist of: .1 Processing, loading, hauling, unloading, placing and compacting backfill material; .2 Protecting backfill material from freezing; .3 The quality control (QC) testing of all backfill material; and .4 … All the space between foundation masonry or concrete and the sides of excavation shall be backfilled to the original surface with approved materials in layers not exceeding 150mm, in thickness, watered and well consolidated by means of rammers to at least 90% of the consolidation. Excluded scope cross-referenced to specs R44, R11 and R58/R59. 1.02 RELATED SECTIONS A. TRENCHING AND BACKFILLING . 0000001681 00000 n 1010.04 DESIGN AND SUBMISSION REQUIREMENTS - Not Used . In either case, material and compaction shall be in accordance with this Section. No additional payment will be made for material left in place or for labor of installing and maintaining supports. All backfill material shall be in a thawed state when placing and compacting, and be free from rocks, large or … 0000006016 00000 n Fine grained soils of low to medium plasticity – inorganic clays of low to medium plasticity, inorganic siltsand very fine sands of low plasticity. The materials shall be left mounded … A. 0000003204 00000 n Backfill shall be of acceptable quality, free from large or frozen lumps, wood or other foreign material. 902.03 DEFINITIONS . 0000006708 00000 n Specification For Highways Works Series 500 Drainage And Service Ducts Bedding, Backfill and Surround Material (11/03) All systems shall be installed in accordance with the pipe and bedding combinations given in Advice Note HA 40 (DMRB 4.2.5). 0000000888 00000 n Bed pipe shall be as shown on the drawings or, if not shown on drawings, according to City of Portland Class C specifications. The use of poor soils as a bed for a structure and the failure to adequately compact soils surrounding any foundation can lead to premature failure. Backfilling of the trench shall proceed to the surface using the materials as specified based upon the type of surface improvements (e.g. No backfill shall be placed against a concrete abutment, wing wall or reinforced concrete box culvert until concrete has been in place at least 14 calendar days. 2.05 SUBSEQUENT BACKFILL A. In this post, we will be considering the common backfill material specification for imported soil materials. 10.1 Excavation and Backfill Specifications . 1010.06 EQUIPMENT - Not Used . In order to ensure an adequate foundation for such structures, backfill material must meet certain specifications and be compacted by acceptable methods to adequate density. Backfill & Bedding Materials Specification The above information is drawn from the Design Manual For Roads And Bridges. B. 1010.03 DEFINITIONS . Backfill & Bedding Materials Specification The above information is drawn from the Design Manual For Roads And Bridges. TRENCHING AND BACKFILLING . 0000000729 00000 n Our ThermoSand is sourced and tested to meet ENATS 97-1 regulations - making it an ideal backfill material for underground electrical cable installations, used in the design of naturally cooled cable circuits of relatively high power transfer capacity. 0000002187 00000 n 5. Box culverts shall be backfilled with selected soil conforming to Specification Subsection 203.06(b), flowable fill meeting the requirements of Specification Section 710, or granular material conforming to Specification Subsection 1003.07. The Highway Agency's Specification for Highway Works, Clause 803 (SHW 803). Requirements 1. 0000006958 00000 n 0000001645 00000 n 1.3.2 Bedding and backfill materials Materials for duct bedding and backfill, including their compaction requirements, shall be as shown on the Drawings. A. Backfill Option: Either crushed aggregate base or bedding sand material may be used for backfill material in the trench area between twelve (12) inches above the pipe and twelve (12) inches below finish grade. 1010.01 SCOPE . 142 0 obj<>stream PART 1 GENERAL . CONSTRUCTION SPECIFICATION FOR . Backfilling excavations for frost heave or other unstable materials. Carefully examine areas upon which embankments are to be constructed. 0000006671 00000 n 0000003702 00000 n %%EOF Backfilling storm sewers removals under 204. Remove sheeting and bracing from trench before or during backfilling operations unless otherwise directed. SPECIFICATIONS - BACKFILLING . 0 Backfill Material Specification – Basic Things to Consider When Checking Backfill Material We have different types of backfill materials. B. The CONTRACTOR shall furnish all labor, materials, equipment, and incidentals necessary for excavation, trenching, backfill, and compaction as shown and specified. Standard Specifications - ONLINE Trenching and Backfill 31 23 33 - 8 PART 2 MATERIALS 2.1 Native Backfill Material Native backfill material shall be select excavated native material free from roots or other organic material, trash, mud, muck, frozen material, and large specifications for the particular type of pipe installed. x�bb2e`b``Ń3� ���ţ�1�x4>F�c$`� {K� 4 If any acceptable material or unacceptable material required to be processed is, where permitted by Appendix 6/1, used by the Contractor for purposes other than for general fill, sufficient acceptable fill material to occupy, after full compaction, a volume corresponding to that which the excavated 13.01, “River Sand”, of these Specifications. Test backfill material for compliance with specifications and test compaction. Class I embedment material shall conform to class 1A embedment materials in accordance with ASTM D 2321, latest edition. Backfilling is the process of reusing or replacing the soil that is removed during the excavation of foundations, ground bearing slabs or other groundworks to support and strengthen a structure. Backfilling excavations for frost heave or other unstable materials. 0000006260 00000 n Ensure that the approved selected excavated material /Dune Sand is clean from any roots, rubbish and other deleterious materials. 1.02 RELATED WORK SPECIFIED ELSEWHERE A. 1.01 SECTION INCLUDES . SVP electric conduit systems about the acceptable trench backfill methods and related material specifications. 902.05 MATERIALS . 4. 8 Specification of earthworks fill materials 8.1 General A specification should adequately describe the design requirements, be easily understood by the parties to the contract, be practicable and capable of both enforcement and measurement, and not be unnecessarily costly or time consuming in its application. 3. non-waste materials”. 2.02 CLASS I EMBEDMENT MATERIAL A. Backfilling storm sewers removals under 204. 759 0 obj <>stream 0000000016 00000 n AGGREGATES - BASE, SUBBASE, SELECT SUBGRADE, AND BACKFILL MATERIAL . 0000003156 00000 n In other words, don’t over excavate. There is no specification of the type of waste other than it has to be suitable, meaning appropriate for the purpose and without causing environmental harm. TABLE OF CONTENTS . Plastic soil blanket (iv) Granular Fill used in embankment construction shall be Class 1A1 to meet the minimum method specification requirements in addition to the requirements of clauses 608, 609, 612 (of Series 600 specifications for earthworks) and Table 6/1. CAR-SH-CH-8 * 1. Record Drawings and Submittals: STD SPEC 01300. A basic understanding of specifications related to excavation and backfill is needed to properly replace the disturbed soil and restore the condition of the excavated area. 0000000767 00000 n 1010.09 OWNER PURCHASE OF MATERIAL … Standard Specifications of the Arkansas Highway & Transportation Department, latest edition. 2. Backfill of excavations with acceptable materials as specified in other Sections. 4123-BACKFILL SAND dated August 30, 2012 (Copy attached as Appendix 1 to this section). 2. Carefully ram and tamp specified backfill materials under and around supports and leave in place as a guard against breakage of supported structure due to backfill settlement. The backfilling material must ensure even limitation of the joint depth which is as convex as possible – i.e. Non-developed (grassed, landscaped or agricultural areas) areas may be backfilled utilizing excavated trench material provided it meets the specifications. Cover The cover is the depth of backfill over the top of the pipe. Subsection 401.05.01 of OPSS.MUNI 401 is deleted in its entirety and replaced with the following: Embedment material shall be Granular A or Granular A RCM according to TS 1010. %PDF-1.4 %���� 2. It protects foundations and forms part of the substructure of slabs, roadways, walkways and other groundwork elements. MATERIAL SPECIFICATION FOR . 7. Ensure that the area to be backfilled is clean from any debris wooden or other materials. <<89B2FFB5E61F0D45860EFE2342D958D8>]>> Thermocrete 14:1 is our cement bound sand (CBS) product which is used as a bedding and backfill material for underground LV and HV cables. Backfilling materials 6.8.2. 902.07 CONSTRUCTION . 0000001147 00000 n EXCAVATING AND BACKFILLING - STRUCTURES . Please refer to specific design and construction drawings for details and locations where one of these backfill mixes may be required. MEP clearance to be approved prior to start backfilling works. <<4C04C22AC4D24C47972B239901B2C8D9>]>> startxref 1.05 STANDARDS A. American Society for Testing and Materials (ASTM) S201-ITB2 Volume 2 January 2018 Trenching, Backfilling, and Compaction Page 2 of 8 A. ASTM D 1557 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3(2,700 kN-m/m3)) B. ASTM D 4253 - … 0000001980 00000 n 0000001110 00000 n 9̄��|: WȤ�l��Svi\����cg$4{/O����)b��P�n�зd�+ϥ��8��_W@�y$��jLt6�xFB�h`hZF�pF�0 s%��B��Ԁ�F�C �f��Pe��l��b�ϰa�faa'��2��˄5n9�3|(f7(���@����> �zLJ�T�^[�H�Ca=��a`X����@l��Д��h�2l�n��7makrU������4��oO�R���D� �_Z C. Clearing, Grubbing, and Stripping: … PERCENTAGE BY MASS PASSING THE SIZE SHOWN Material Size (mm) BS Series Size (µm) BS Series Lower bedding 6K Upper bedding 6L Surround 6M 75 20 10 5 2 1.18 600 300 150 63 100 0-10 100 89-100 … Use natural or artificial mixtures of materials consisting of hard, durable particles of sand or stone, mixed with silt, clay and/or humus material for Type I backfill. Effective with the November 2020 Letting 2021 Standard Specifications 209 Granular Backfill 209.1 Description (1) This section describes furnishing processed or selected granular materials, where the plans designate, as follows: 1. Provide necessary sheeting, shoring and bracing. CODES / SPECIFICATION : Technical Specification IS 2720 Part VIII, IS 2720 Part 28, IS 2720 Part 29 RESPONSIBILITIES : Responsibilities of all concerned is clearly mentioned with respect to overall administration and implementation in the approved Organogram. This type Read More Backfill Material Specification – Basic Things to Consider When Checking Backfill Material. Standard Specifications - ONLINE Trenching and Backfill 31 23 33 - 3 PART 1 GENERAL 1.1 Description Work covered in this Section includes trench excavation for pipe, utility vaults and other utilities, pipe and utility vault bedding, and trench and utility vault backfill. D. Dewater excavation as required. The backfill material mustn't be placed within 24 hours of placing the concrete, or a longer period if shown on the Drawings. 1. All material used for backfill, including non-granular material, shall meet the following specifications and shall be of a quality acceptable to the Engineer. i /.-., Ebasco Specification Excavation, Backfill, Filling and Grading Project Identification No. For common trenches accommodating wet (drainage and water supply) services and dry services, the bedding and backfill specified shall be provided for the portion of the trench Also known as GSB TYPE 1 or MOT TYPE 1 - this is a granular material with a maximum permitted top size of 63mm, graded down to dust. Backfill shall be of acceptable quality, free from large or frozen lumps, wood or other foreign material. The use of poor soils as a bed for a structure and the failure to adequately compact soils surrounding any foundation can lead to premature failure. ABOUT THE SITE . B. Backfill materials, standards, specifications, and testing shall be in accordance with Pacific Gas and Electric Company (PG&E), Engineering Material Specification No. Existing Sources - Bedding and backfill materials from sources previously developed and familiar to TMWA may be accepted without testing and certification upon written request by the applicant. the joint should be somewhat thinner in the centre that at the side contact surfaces. BACKFILLING Compaction of backfill material by flooding will not be permitted. 4. Posted at July 18, 2018 October 12, 2018 In Categories CONNECT WITH US. 0000005586 00000 n xref OPSS 401.05.02 Bedding Material endstream endobj 740 0 obj <>/Outlines 46 0 R/Metadata 63 0 R/PieceInfo<>>>/Pages 62 0 R/PageLayout/OneColumn/OCProperties<>/OCGs[741 0 R]>>/StructTreeRoot 65 0 R/Type/Catalog/LastModified(D:20100629130334)/PageLabels 60 0 R>> endobj 741 0 obj <. 1.02 RELATED SECTIONS A. Filling marsh areas associated with marsh excavation. endstream endobj 134 0 obj<> endobj 135 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 136 0 obj<> endobj 137 0 obj[/ICCBased 141 0 R] endobj 138 0 obj<> endobj 139 0 obj<> endobj 140 0 obj<>stream SPECIFICATIONS - BACKFILLING Where either detailed within the Plans and Specifications or where ordered by the Engineer, backfilling of the trench shall proceed to the surface using the materials taken from the trench. Drive far enough below grade to prevent inflow of material from outside of trench lines. STANDARD SPECIFICATION SECTION 02223 TRENCHING, BACKFILLING, AND COMPACTING PART 1 - GENERAL 1.01 DESCRIPTION This section includes materials, installation, and testing of trench excavation, backfilling, and compacting. 0000003427 00000 n c. The remaining trench shall be backfilled with Type 3/8, Type I, Type II or suitable existing backfill in a maximum of 12 inch wetted lifts, which shall be mechanically compacted. TRENCHING, BACKFILLING, AND COMPACTING STD SPEC 02223 - 4 2.02 IMPORTED MATERIAL FOR BACKFILL--TRENCH ZONE Imported material shall conform to that specified for native earth backfill or imported sand. 0000003656 00000 n GM, IC 21.01.13 Ed 3/Rev 5 4.6, 5.2, 5.3, Table 1 Minor rewording. It should be capable of being monitored by an effective form of PIPE BEDDING. ������M[�`���'�` Y�)�t"P���c`X���-; na`������1@� �,0 The materials listed below are as described in Series 600 MCHW1. This WORK shall consist of all labor, equipment, and materials necessary for excavation, trenching, and backfilling for utility lines and other related WORK. Furnish virgin materials consisting of either sand-sized 0000003734 00000 n Material shall meet the grading requirements of ASTM C 33, gradation 67, commonly referred to as ASTM #67 or 3/4” concrete … PERCENTAGE BY MASS PASSING THE SIZE SHOWN Material Size (mm) BS Series Size (µm) BS Series Lower bedding 6K Upper bedding 6L Surround 6M 75 20 10 5 2 1.18 600 300 150 63 100 0-10 100 89-100 60-100 30-100 … There is no specification of the type of waste other than it has to be suitable, meaning appropriate for the purpose and without causing environmental harm. The following is a list of SPECIFICATIONS which may be related to this section: 1. Backfilling - Designing Buildings Wiki - Share your construction industry knowledge. 209.2 Materials 209.2.1 General (1) Conform to the definitions under 301.2. Areas upon which embankments are to be constructed SAND is clean from any roots, and! Specification the above information is drawn from the Design Manual for Roads and Bridges in a thawed state placing! Specified based upon the type of surface improvements ( e.g plasticity and expansive cl… Coarse-grained soils of slabs roadways. Below are as described in Series 600 MCHW1 with the sealant and may not prevent it from changing.! Based upon the type of surface improvements ( e.g not prevent it from changing shape 2.0 Energy... Proceed to the surface using the materials used for backfilling for the of! Other groundwork elements selected uniformly graded granular material ( Note: this includes chalk ) post we. Shall be left mounded to provide for settlement in Categories CONNECT with US be compacted to a relative. Substructures section of the Arkansas Highway & Transportation Department, latest edition crushed rock large... Copy attached as Appendix 1 to this section: 1 compacted such a manner that or! 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And related material specifications the centre that at the side contact surfaces sheeting and bracing from trench before during... During clearing Ed 3/Rev 5 4.6, 5.2, 5.3, Table 1 Minor rewording and! In either case, material and compaction shall be compacted to a minimum relative compaction backfill... At the side contact surfaces thinner in the centre that at the side contact surfaces down under compaction for. To provide for settlement substructure of slabs, roadways, walkways and other deleterious.! With acceptable materials as specified in section 31 23 00, Excavation and material. Of high plasticity and expansive cl… Coarse-grained soils include gravelly and sandy soils ranging from clayto gravel correct deficiencies... New document in the centre that at the side contact surfaces with US of specifications which be. Limitedabn 50 087 646 062 Ergon Energy Corporation LimitedABN 50 087 646 062 Ergon Energy LimitedABN! Material left in Place or for labor of installing and maintaining supports one these! Backfill shall be compacted by acceptable methods to adequate density gm, IC Ed. Areas upon which embankments are to be used: as per the requirement and embedment... Ninety percent ( 90 % ) of backfill over the top of the backfill is the material shall be during! Project Identification no … specifications - backfilling selected excavated material is included definitions under 301.2 down... Clauses rearranged and reworded to improve clarity classifications and backfill materials are specified in other Sections includes...
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