Geotechnical Specification Appendix 1 Appendix 6
P/2016/00474Received 24.03.2016Geotechnical SpecificationAppendix 1Appendix 6Document No: COSTCDX8620-600-001This document has been formulated with reference to the Manual of Contract Documentsfor Highway W orks, Volume 1 Specifications for Highways W orksVersion0Dateth19 Feb2016Change logDoc. Ref.: dMAITTBMarch 2016
Specification AppendicesSeries 600AppendixNo.Used/NotUsed.1/5TitleTesting to be carried out by the ContractorUSEDEARTHWORKS6/1Requirements for Acceptability and Testing etc. of EarthworksMaterialsUSED6/2Requirements for Dealing with Class U1B and Class U2Unacceptable MaterialsUSED6/3Requirements for Excavation, Deposition, Compaction (Otherthan Dynamic Compaction)USED6/4Requirements for Class 3 MaterialNOTUSED6/5Geotextiles Used to Separate Earthworks MaterialsUSED6/6Fill to Structures and Fill Above Structural FoundationsUSED6/7Sub-formation and Capping and Preparation and Surface Treatment ofFormationUSED6/8TopsoilingUSED6/9Earthwork Environmental Bunds, Landscape Areas,Strengthened EmbankmentsUSED6/10Ground Anchorages, Crib Walling and GabionsUSED6/11Swallow Holes and Other Naturally Occurring Cavities and DisusedMine WorkingsNOTUSED6/12Instrumentation and MonitoringNOTUSED6/13Ground ImprovementNOTUSED6/14Limiting Values for Pollution of Controlled WatersUSED6/15Limiting Values for Harm to Human Health and the EnvironmentUSEDDoc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1APPENDIX 1/5: TESTING TO BE CARRIED OUT BY THE CONTRACTOR1. General(i)Unless otherwise stated, all sampling and testing in this Appendix shall be by the Contractor.(ii)Tests comparable to those specified in this Appendix will be necessary for any equivalent work,goods or materials proposed by the Contractor (See sub-Clause 105.4).(iii)(N) Indicates that a UKAS or equivalent accredited laboratory sampling and test report orcertificate is required.(iv)Unless otherwise shown in this Appendix tests for work, goods or materials as scheduled underany one Clause are required for all such work, goods or materials in the Works.(v)Unless otherwise shown in this Appendix test certificates for work, goods or materials asscheduled under any one Clause are required for all such work, goods or materials in theWorks.(vi)As part of the provision of samples and testing undertaken by the Contractor, the Contractorshall keep a daily record of samples of goods and materials taken by or on behalf of theContractor for testing. Records shall be in sufficient detail to record the nature and the sourceof goods and materials, and shall identify the locations and means of selection and sampling.A copy of the daily record shall be provided by the Contractor on the next working day forretention and use by the Overseeing Organisation.(vii)Test reports and certificates shall bear suitable identification compatible with the Contractorsregistration of samples tested and shall indicate the edition dates of specifications used forcompliance evaluation.(viii)Additionally all test results shall be presented in accordance with the relevant testing standardand shall incorporate the following information: Specimen reference; Material brief description; Manufacturer's, supplier's name or origin as appropriate; Batch reference number (proprietary material only); Quantity of material; Location of material in the works; Date sampled, by whom and method used; Date(s) tested; Results of all tests.Doc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1TABLE NG 1/5Clause Work, Goods or MaterialSeries 600601,Acceptable material631 toGeneralClass637,Description6401A1TestGrading /uniformitycoefficient3no. persource –then1no. per32,000mmc/OMC(N)3no. persource –then2no. per32,000mDrained shearparameters (N)3no. persource –then31 per 5000mGeneralgranular fillGrading (N)4Generalcohesive fillLandscapeFillDoc. Ref.: ContaminationTesting2A1Frequencyof TestingFrequency tofulfilrequirementsof App 6/14and 6/156no. persource –then1no. per32,000mmc/OMC/PLdrained shearstrength (N)6no. persource andthen 1 per31000mContaminationTestingFrequency tofulfilrequirementsof App 6/14and 6/15Grading/mc/MCV (N)1 per3250m or 3no.per sourceFor recycledaggregate, Seesub- clauses601.12 and601.18Cross referenceshould be madeto anyrequirements incontract specificAppendix 6/1See App 6/2,614 and 6/15Cross referenceshould be madeto anyrequirements incontract specificAppendix 6/1See App 6/2,614 and 6/15March 2016
Specification AppendicesAppendix armaterial –StarterLayerEarthworks materialbeneath surface of a roador paved central reserveGrading (N)Grading/uniformity coefficient (N)PI/LL (N)Resistance tofragmentation(N)ContaminationTestingFrequency tofulfilrequirementsof App 6/14and 6/151no. per3250m1 per 400tonnesDaily1 per sourceLA CategoryFrequency tofulfilrequirementsof App 6/14and 6/15See App 6/2,614 and 6/15Frost heave (N)required1) 1A1 Fill1 per source2) 2A1 Fill2 per source1 per layerper 50msection612MethodcompactionCompactionof FillsField dry density(N)Field dry density(N)End productcompactionMC (N)See App 6/2,614 and 6/152 per layerper 50msectionrequiredNuclearmethods to beused inaccordance withAppendix 6/3requiredCalibrationtesting forNuclear DensityMethod2 per layerper 50msectionIn-situ: 1no.In 10no.NuclearMethod TestCore CutterLaboratory:1no. In 25no.NuclearMethod TestDoc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1APPENDIX 6/1: REQUIREMENTS FOR ACCEPTABILITY AND TESTING ETC. OF EARTHWORKSMATERIALS1. Acceptable Limits for Fills(i)The permitted classes of construction materials are defined in the following tables: Table 1/5Testing Requirements. Table 6/1Classification and Compaction Requirements. Table 6/2Grading Requirements. Table 6/4Method of Compaction for Fill.(ii)Granular fill and cohesive fill materials shall conform to the requirements of the Manual ofContract Documents for Highway Works (MCHW), Volume 1, Series 600, Table 6/1. Areaswhere the granular fill and cohesive fill is to be used are shown on the drawing seriesCDX8620-R06-01 to 06.(iii)Where Class 2A1 material is being utilised in embankment construction a granular starter layeris required. Granular Fill used as a starter layer for earthworks construction will be of Class 6Cto meet the minimum method specification requirements in addition to the requirements ofclauses 608, 609, 612 (of Series 600 specifications for earthworks) and Table 6/1.(iv)Granular Fill used in embankment construction shall be Class 1A1 to meet the minimummethod specification requirements in addition to the requirements of clauses 608, 609, 612 (ofSeries 600 specifications for earthworks) and Table 6/1. Class 1A1 material is to be placedusing Method Compaction techniques (see Table 5/1, 6/1 and Clause 612)(v)Cohesive Fill shall be Class 2A1 to meet the minimum end specification requirements inaddition to the requirements of clauses 608, 609, 612 (of Series 600 specifications forearthworks) and Table 6/1. Class 2A1 material is to be placed using End-Product Compactiontechniques (see Table 5/1, 6/1 and Clause 612)(vi)Material recovered on site during benching operations may be used on site as Class 4landscape fill subject to determination of acceptability (Table 6/1, App 6/14, 6/15).(vii)Class 5A and 5B fill shall be used for Topsoil.2. Requirements for Determining Acceptability(i)The Contractor shall carry out all necessary testing as detailed in Appendix 1/5 to demonstratethe classification and acceptability of earthworks materials given in Table 6/1. The classificationof on-site materials shall be undertaken at the point of excavation and the classification ofimported materials shall be undertaken at the point of deposition.Doc. Ref.: COSTCDX8620-600-001March 2016
Specification Appendices(ii)Appendix 6/1Earthworks materials classification and acceptability test results shall be made available to theOverseeing Organisation within 3 days of scheduling the test. The Overseeing Organisationmay request additional repeat testing in accordance to Table 6/1, if in their opinion, theimported materials or on-site materials vary in classification or become unacceptable forwhatever reason. The rate of further testing required shall be sufficient to ensure the correctclassification and acceptability of the materials taking into account the variations.(iii)Source approval testing is required for all fill materials. To obtain source approval, theContractor shall notify the Overseeing Organisation of the location, extraction method, supplier(for imported materials), material type, volume of material and carry out a full range of tests atthe frequency detailed in Appendix 1/5 to demonstrate compliance to the acceptability criteriafor a Class of fill given in Table 6/1.(iv)Source approval testing shall be carried out at least 7 days prior to filling. The OverseeingOrganisation may additionally request a site visit to the source of the material prior to providingapproval. All imported materials shall be tested at the source for contaminants in accordancewith Table 1/5 and App 6/14 and 6/15.(v)Prior to the sampling of materials for any testing, the Contractor shall give reasonable notice tothe Overseeing Organisation as to afford them an opportunity to witness the taking of thesample and to permit the Overseeing Organisation to take a joint sample to undertakeconfirmation testing.(vi)The Contractor shall maintain full records relating to the import and export of materials to thesite, including the disposal of Class U materials to licensed facilities. The Contractor shall alsokeep records as to identify stockpiles, and the movement and deposition of all materials on-site.(vii)Compaction trials will be conducted on each new Class 2A1 source material prior to the use ofmaterial in construction in compliance clauses 612.11 to 612.15. Prior to carrying out any fillingworks the Contractor shall carry out a compaction trial to demonstrate that his elected plant andmethods of compaction will achieve the requirements of the Specification. The Contractor shallprovide the details and specification of the proposed compaction plant prior to commencing thetrial. The trial embankment shall have a minimum vertical height of 600mm and a minimumhorizontal length of 10m and shall be constructed to ensure that each layer complies with theSpecification. The compaction trial may be incorporated into the permanent works provided thatall layers of fill have been demonstrated to have passed the Specification requirements. TheOverseeing Organisation is to be notified 1 week before the compaction trial is commenced andshall observe the trial and associated in situ compliance testing. Further compaction trials shallbe carried out in the event that different compaction plant is used.(viii)Field tests are required for the compacted fill to ensure the correct placement and compactionprocedures are being applied. During the compaction trial, dry density tests shall be undertakenand the results obtained from correctly placed and compacted fill will be assessed and aminimum characteristic dry density for correctly placed and compacted fill shall be derived byDoc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1the Overseeing Organisation. A maximum dry density of 95% following compaction is required.Subsequent dry density test results obtained during the earthworks shall exceed thischaracteristic value. Further geotechnical testing as detailed in Appendix 1/5 shall be used tofurther assess the quality and suitability of the imported earthworks materials. Testing of thetrial is to be carried out as detailed in Table 1/5.3. Designation of Material as Class 3Not used4. Rendering Unacceptable Material Acceptable(i)The processing of unacceptable material to render acceptable is permitted off-site. No surplusmaterial (unacceptable or acceptable) shall be retained on-site. Surplus materials shall bedisposed of in accordance to Appendix 6/2.Doc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1TABLE 6/1: Acceptable Earthworks Materials: Classification and Compaction ell gradedgranularmaterialWet cohesivematerialDoc. Ref.: COSTCDX8620-600-001Typical UseGeneral FillGeneral FillPermitted Constituents(All subject torequirements of Clause601) and Appendix 6/1Any material, orcombination of materials,other than materialdesignated as Class 3 in theContract (Properties (i), (ii)and (iv) in next column,shall not apply to chalk).Recycled aggregateAny material or combinationof materials, other thanchalk.Material Properties Required for Acceptability (In Addition toRequirements on Use of Fill Materials in Clause 601 and Testing inClause 631)Defined andAcceptable LimitsProperty (SeeTested inExceptions inAccordanceLowerUpperPrevious Column)with:(i) gradingBS1377: Part 2Tab 6/2Tab 6/2(ii) uniformitysee Note 510coefficient(iii) moisture contentBS 1377: Part 2App 6/1App 6/1(see Note 4)(iv) MoistureClause 632Condition ValueApp 6/1App 6/1(MCV)(v) IDD of chalkClause 634-App 6/1(vi) Effective angle ofshearing resistanceand cohesionClause 633Phi’ - 26 App 6/1(i) gradingBS1377: Part 2Tab 6/2(ii) plastic limit (PL)(iii) moisture content(see Note 4)BS1377: Part 2(iv) MoistureCondition Value(MCV)March 2016-Tab 6/2-BS1377: Part 2PL-4%App 6/1Clause 632App 6/1App 6/1CompactionRequirementsin Clause 612Tab 6/4 Method 2Tab 6/4 Method 1except for materialswith liquid limit greaterthan 50, determinedbyBS1377 : Part 2, onlydeadweight tamping orvibratory tampingrollers or grid rollersshall be used
Specification AppendicesClassGeneralMaterialDescriptionAppendix 6/1Typical UsePermitted Constituents(All subject torequirements of Clause601) and Appendix 6/1Material Properties Required for Acceptability (In Addition toRequirements on Use of Fill Materials in Clause 601 and Testing inClause 631)Defined andAcceptable LimitsProperty (SeeTested inExceptions inAccordanceLowerUpperPrevious Column)with:(v) Effective angle ofshearing resistanceand cohesion4--VariousFill to landscapeareas5A-Topsoil or turf,existing on tedUniformlyGradedGranularMaterialDoc. Ref.: COSTCDX8620-600-001Starter layer(i) grading(ii) moisture content(see Note 4)See App 6/1Topsoil or turf designated asClass 5A in the contractGeneral purpose gradeClause 633Phi’ - 26 App 6/1BS1377: Part 2App 6/1App 6/1BS1377: Part 2-App 6/1CompactionRequirementsin Clause 612See Clause 620 andApp 6/1(iii) MoistureCondition Value(MCV)Clause 632App 6/1App 6/1(i) gradingClause 618App 6/1App 6/1Not Applicable----Not Applicablecomplying with BS 3882Natural gravel, natural sand,crushed gravel, crushed rockother than argillaceous rock,crushed concrete, chalk, wellburnt colliery spoil, slag orany combination thereof.(properties (iii) in the nextcolumn, shall not apply to(i) gradingBS1377: Part 2(On-Site)Tab 6/2Tab 6/2BS EN 933-2 (OffSite)Tab 6/5Tab 6/5Tab 6/4 Method 3(ii) plasticity indexBS 1377 : Part 2(iii) Los AngelescoefficientClause 635March 2016Non-plastic-50
Specification AppendicesGeneralMaterialDescriptionClassAppendix 6/1Typical UseMaterial Properties Required for Acceptability (In Addition toRequirements on Use of Fill Materials in Clause 601 and Testing inClause 631)Defined andAcceptable LimitsProperty (SeeTested inExceptions inAccordanceLowerUpperPrevious Column)with:(iv) UniformitySee Note 510CoefficientPermitted Constituents(All subject torequirements of Clause601) and Appendix 6/1chalk.) Recycled aggregate(v) mcBS 1377: part 2App 6/1CompactionRequirementsin Clause 612App 6/1Footnotes to Table 6/11. App Appendix2. Tab Table3. Where in the Acceptable Limits column reference is made to Appendix 6/1, only those properties having limits ascribed to them in Appendix 6/1 shall apply. WhereAppendix 6/1 gives limits for other properties not listed in this Table such limits shall also apply4. Where BS 1377: Part 2 is specified for mc, this shall mean BS 1377: Part 2 or BS 812: Part 3 as appropriate.5. Uniformity coefficient is defined as the ratio of the particle diameters D60 to D10 on the particle-size distribution curve, where:D60 particle diameter at which 60% of the soil by weight is finerD10 particle diameter at which 10% of the soil by weight is finer6. The moisture content of granular fills shall be determined on the material passing the 20mm BS sieve.7. Where note 8 is referred to in Table 6/1 the moisture content shall lie in the range necessary to achieve 95% of maximum dry density to BS1377 with the compactiveeffort specified on omc-dry density relationship as defined by BS1377 Part 4.Doc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/18. Where determination of the optimum moisture content of granular soils is required and the grading of the material places it in Zone ‘X’ as defined in BS1377 Part 4Figure 1, then the omc shall be determined where 35% of the material passes the 37.5mm BS sieve using a CBR mould. The procedures for soils susceptible tocrushing during compaction shall be applied to all relevant soils (e.g. well burnt non-plastic shale).9. For all fills where MCV, moisture content and shear strength acceptability limits are provided, the MCV compliance criteria shall be used to control the acceptability ofthe fill material, subject to compliance with Clause 632, unless agreed otherwise with the Designer. The frequency of tests for moisture content and shear strength maybe reduced following confirmation of correlation with MCV results as agreed with the Designer.10. Where undrained shear strength is specified as a method of material classification and control, a Hand Shear Vane may be used provided that it is initially calibrated bysuitably qualified technician.Doc. Ref.: COSTCDX8620-600-001March 2016
Specification AppendicesAppendix 6/1Table 6/2: Grading Requirements for Acceptable Earthworks Materials Other Than Classes 6F4, 6F5 and 6SPercentage by Mass Passing the Size ShownSize(mm)Class5001ASize(mm) BS Series30012510095-1002A1006C100Doc. Ref.: COSTCDX8620-600-001907537.528201410Size (microns) BS Series6.353.3521.1860080-1000-1000-100March 20160-350-100-230015063SizeClass(microns)2 151A15-1001B6N
Specification AppendicesAppendix 6/2APPENDIX 6/2: REQUIREMENTS FOR DEALING WITH CLASS U1B AND CLASS U2UNACCEPTABLE MATERIALS1. General1.1 Material excavated from existing earthworks or earthwork foundation areas may be usedas Class 4 Landscaping Fill subject to determination of acceptability. If the material isclassed as unacceptable for re-use on-site, on the basis of contamination or condition, itshall be removed from the site unless otherwise agreed with the OverseeingOrganisation and relevant authorities.1.2 Notwithstanding the obligations under the Conditions of Contract, material suspected ofbeing Class U2 and U1B material unsuitable for reuse on site shall be classified inaccordance with the ‘European Waste Catalogue’.1.3 In addition, where material is required to be disposed of to a Hazardous or Inert Landfill,Waste Acceptance Criteria testing shall be undertaken in accordance with the EAGuidance on sampling and testing of wastes to meet landfill waste acceptanceprocedures (STWAP) Version 4.3a, December 2003, Interim Landfill waste acceptancecriteria, see Table 6/7.2. Material Handling, Classification and Disposal(i)If any Class U2 material or contaminated water is encountered during excavation, theContractor is to submit their proposals for excavation, handling, transport and disposal tothe Overseeing Organisation for acceptance.(ii)If any Class U2 material or contaminated water is encountered during excavation, theContractor will obtain the agreement of the local Environmental Health Officer to hisproposed arrangements for the h
Specification Appendices Appendix 6/1 Doc. Ref.: COSTCDX8620-600-001 March 2016 APPENDIX 1/5: TESTING TO BE CARRIED OUT BY THE CONTRACTOR 1. General (i) Unless otherwise stated, all sampling and testing in this Appendix shall be by the Contractor.
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