Schedule of Accreditation Issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

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1 Issued by 2 Pine Trees, Chertsey Lane, taines-upon-thames, TW18 3HR, UK Materials Testing Division Contact: Ben Roper Northdown House Tel: +44 (0) Ashford Road Fax: +44 (0) Harrietsham ben.roper@cet-uk.com Kent Website: ME17 1QW below is accredited for a flexible scope that enables them to establish site laboratories to conduct the activities detailed below, in accordance with their documented inhouse procedure: Laboratory Quality Manual ection 25 - These activities are identified by the current location code for operating site laboratories. Note: FLEX (ite) = ampling or testing activities which can be performed at any location, = No current location Current locations covered by the scope of accreditation: details Activity code Address Northdown House Ashford Road Harrietsham Kent ME17 1QW Local contact: Mr Ben Roper / Mr Russell Barnes Tel: +44 (0) Fax: +44 (0) Ben.Roper@cet-uk.com Russell.Barnes@cet-uk.com Aggregates Bituminous materials Concrete - fresh Concrete - hardened oils A Address Highway House 6 Lutterworth Road Wolvey Nr Hinckley Leicestershire LE10 3HW Local contact: Mr Ben Roper / Mr Jason Charles Tel: +44 (0) Fax: +44 (0) Ben.Roper@cet-uk.com Jason.Charles@cet-uk.com Aggregates Bituminous materials Concrete - fresh Concrete - hardened oils B Address CET tructures Heathrow Laboratory Unit 12 Britannia Industrial Estate Poyle Road Colnbrook L3 0BH Local contact: Mr Ben Roper/ Mr Alvaro Garcia Cabrera Tel: +44 (0) Ben.Roper@cet-uk.com Alvaro.Garcia@cet-uk.com Aggregates Bituminous materials Concrete - fresh Concrete - hardened oils D Assessment Manager: AW3 Page 1 of 18

2 ite activities performed away from the locations listed above: details Activity code All locations suitable for the activities listed Contact: Mr Ben Roper Aggregates Bituminous materials Concrete - fresh Concrete structures & reinforcement Concrete - hardened Piling Road pavement surfaces oils Current locations covered by the scope of accreditation for Flexible scope: details Activity code Address CET tructures Ltd Dunton Environmental Ltd ite Office Kilnwood Vale Crawley West ussex RH12 4E Local contact: Mr Ben Roper Tel: +44 (0) Ben.Roper@cet-uk.com oil No current site laboratories operating NCL Assessment Manager: AW3 Page 2 of 18

3 DETAIL OF ACCREDITATION tandard specifications/ Permanent s AGGREGATE ampling coarse, fine and all-in aggregates - from heaps ampling - from stockpiles Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance - washing and sieving - dry sieving Moisture content - oven drying method Ten per cent fines value - dry - particle size 10mm and Greater Ten per cent fines value - soaked - particle size 10mm and greater - sieving method B :1989 B EN 932-1:1997 B EN 932-2:1999 B :ection 103.1:1985 B :ection 103.1:1985 B :1990 B :1990 B :1990 B EN 933-1:2012 B B Flakiness index B EN 933-3:2012 A hape index B EN 933-4:2000 A Assessment Manager: AW3 Page 3 of 18

4 tandard specifications/ AGGREGATE (cont d) Percentage of crushed and broken surfaces in coarse aggregate particles Assessment of fines. Methylene blue test Constituents of coarse recycled aggregate - Test for geometrical properties of aggregates. B EN 933-5: 1998 B EN A1:2013 B EN :2009 A B Micro-Deval coefficient B EN :2011 A Resistance to fragmentation of coarse aggregate - Los Angeles method B EN :2010 A, Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method B EN :2010 A Micro-Deval coefficient B EN 13450:2013 (B EN :2011) A Resistance to fragmentation of coarse aggregate - modified Los Angeles method B EN 13450:2013 (B EN :2010) A Loose bulk density and voids B EN :1998 Water content - drying in a ventilated oven Particle density and water absorption - wire basket method for aggregate particles between 31.5 and 63 mm Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31.5 mm B EN :2008 B EN :2013 B EN :2013 Assessment Manager: AW3 Page 4 of 18

5 tandard specifications/ AGGREGATE (cont d) Particle density and water absorption - pyknometer method for aggregate particles between mm and 4 mm B EN :2013 Magnesium ulfate Test B EN :2009 NCL BITUMINOU MATERIAL Needle penetration - 25 o C B :2007 B Needle penetration - 25 o C B EN 1426:2007 B BITUMINOU MIXTURE for roads and other paved areas ampling from - from around the augers of the paver - from workable material in heaps - coated chippings from stockpiles - finished material - core cutting method oluble binder content by difference, using bottle rotation machine and pressure filter oluble binder content by recovery, using bottle rotation machine, bucket centrifuge type 1 and volume calculation B EN :2001 B EN :2012 B EN :2012 B EN :2002 Bitumen recovery: rotary evaporator B EN :2005 B Assessment Manager: AW3 Page 5 of 18

6 tandard specifications/ BITUMINOU MIXTURE for roads and other paved areas (cont d) Maximum density - volumetric procedure B EN :2009 incorporating corrigendum February 2012 Bulk density - dry - saturated surface dry (D) - sealed specimen - by dimensions B EN :2012 B B B Air voids content B EN :2003 Conventional refusal density - vibratory compaction Percentage refusal density (PRD) - vibratory compaction Preparation of samples for the determining binder content, water content and grading Determination of the dimensions of a bituminous sample Laboratory compaction of bituminous mixtures by vibratory compaction Air voids content Temperature - laid material - in a heap B EN :2002 B EN :2002 B EN :2001 B EN :2002 B EN :2003 pecification for Highway Works HMO August 2008 Clause 929 B :2000 Assessment Manager: AW3 Page 6 of 18

7 tandard specifications/ BITUMINOU MIXTURE for roads and other paved areas (cont d) Compacted density - nuclear method Documented In-House Method No TP NDM1 CONCRETE fresh ampling - composite sample - spot sample B EN :2009 lump B EN :2009 Compaction Factor B :1993 D, Degree of Compactability B EN :2009 D, Determination of Flow B EN :2009 Air Content -Pressure method B EN :2009,C,D, lump Flow and T500 B EN :2010 V-Funnel B EN :2010 L box B EN :2010 ieve egregation B EN :2010 J Ring B EN :2010 Making test cubes and curing B EN :2009, Method for Making Test Beams from Fresh Concrete B EN 12390: Pt 2:2009 & B EN 14651: A1:2007 D, Fibre Content B EN :2006 A tatic segregation of self consolidating concrete -column technique ATM C1610 Bleeding of Concrete ATM C232 Assessment Manager: AW3 Page 7 of 18

8 tandard specifications/ CONCRETE - hardened Cored specimens - taking B EN :2009 Compressive strength of cubes - including curing Compressive strength of resin concrete cubes - including Curing and Density B EN :2009 B EN :2009 B :1983 D Curing of Test Beams B EN :2009 D Cored pecimens - examining and testing in compression B EN :2009 Density B EN :2009 Flexural strength B EN :2009 A,D Tensile splitting strength B EN :2009 A Fibre Content B EN :2006 A,D Coring ampling of concrete by drilling Carbonation Resistivity Documented In-House Method TP C0a & b Documented In-House Method TP C0c BRE Information Paper IP 6/ Documented In-House Method No ID B04 Issue 2 CONCRETE - reinforced of reinforcement B :1988 Half-cell potential of uncoated reinforcing steel in concrete ATM C Assessment Manager: AW3 Page 8 of 18

9 tandard specifications/ PAVED URFACE kid resistance value B :2002 A, ROAD AND AIRFIELD URFACE CHARACTERITIC lip/kid resistance of a surface - The pendulum test B EN :2003 A, ROAD MATERIAL - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer B EN :2003 Moisture condition value B EN :2003 ROAD PAVEMENT URFACE Texture depth - by the sand-patch method urface regularity using a rolling straight-edge urface macrotexture depth using a volumetric patch technique B :2000 pecification for Highway Works, HMO November 2006Clause 702 B EN :2010 Assessment Manager: AW3 Page 9 of 18

10 tandard specifications/ OIL for civil engineering purposes ampling site excavated material - from heaps ampling imported granular material - from stockpiles - from heaps Moisture content - oven drying method aturation moisture content of chalk Liquid limit - cone penetrometer (definitive method) Liquid limit - cone penetrometer - one point Documented In-House Method TP 0/Method 2 (a) Documented In-House Method TP 0/Method 4 B :1990 B :1990 B :1990 B :1990 A Plastic limit B :1990 Plasticity index and liquidity index B :1990 Plasticity index B :1990 D - wet sieving - dry sieving - sedimentation by hydrometer Particle Density - gas jar method B :1990 B :1990 B :1990 B :1990 A California Bearing Ratio (CBR) B :1990 Assessment Manager: AW3 Page 10 of 18

11 tandard specifications/ OIL for civil engineering purposes (cont d) welling of soaked CBR specimen B :1990 Dry density/moisture content relationship (2.5 kg rammer) B :1990 Dry density/moisture content relationship (4.5 kg rammer) B :1990 Dry density/moisture content relationship (vibrating hammer) B :1990 MCV - natural moisture content B :1990 MCV/moisture content relation B :1990 Chalk crushing value B :1990 A hear strength - large shearbox In-situ density - sand replacement method (large pouring cylinder) In-situ density - core cutter method In-situ California Bearing Ratio (CBR) Determination of the vertical deformation and strength characteristics of soil by the plate loading test In-situ density of soil and fill materials B :1990 B :1990 B :1990 B :1990 B :1990 Documented In-House Method TP NDM- based on B :1990 using nuclear density gauge B Assessment Manager: AW3 Page 11 of 18

12 tandard specifications/ OIL for civil engineering purposes (cont d) Dynamic cone penetrometer Calculation of equivalent CBR value using the plate bearing test Documented In-House Method TP 9 based on manufactures operating instructions Design Manual for Roads and Bridges: Volume 7: pavement Design and maintenance - Foundation HD 25/94 END of Permanent s Assessment Manager: AW3 Page 12 of 18

13 tandard specifications/ Equipment/Techniques used ite Laboratories Flexible scope AGGREGATE ampling - from stockpiles Methods of reducing laboratory samples - using a riffle box - reduction by quartering Methods of reducing laboratory samples - to a test portion of a specified mass within a small tolerance - sieving method B EN 932-1:1997 B EN 932-2:1999 B EN 932-2:1999 B EN 933-1:2012 FLEX (ite) Flakiness index B EN 933-3:2012 hape index B EN 933-4:2000 Assessment of fines. Methylene blue test Water content - drying in a ventilated oven B EN 933-9:1999 B EN :2008 BITUMINOU MIXTURE for roads and other paved areas ampling from - around the augers of the paver ampling from workable material in heaps ampling coated chippings from stockpiles B EN :2001 B EN :2001 B EN :2001 FLEX (ite) FLEX (ite) FLEX (ite) Assessment Manager: AW3 Page 13 of 18

14 tandard specifications/ Equipment/Techniques used BITUMINOU MIXTURE for roads and other paved areas (cont d) Preparation of samples for the determining binder content, water content and grading B EN :2001 oluble binder content by difference, using bottle rotation machine and pressure filter B EN :2012 oluble binder content by recovery, using bottle rotation machine, bucket centrifuge type 1 and volume calculation B EN :2012 B EN :2002 Maximum density - volumetric procedure Bulk density - dry - saturated surface dry (D) - sealed specimen - by dimensions B EN :2009 incorporating corrigendum February 2012 B EN :2012 Air voids content B EN :2003 Conventional refusal density - vibratory compaction Percentage refusal density (PRD) - vibratory compaction Temperature - in a lorry - laid material - in a heap B EN :2002 B EN :2002 B :2000 FLEX (ite) Assessment Manager: AW3 Page 14 of 18

15 tandard specifications/ Equipment/Techniques used BITUMINOU MIXTURE for roads and other paved areas (cont d) Determination of the dimensions of a bituminous sample B EN :2002 Laboratory compaction of bituminous mixtures by vibratory compaction B EN :2003 Compacted density - nuclear method Documented In-House Method No TP NDM1 FLEX (ite) CONCRETE - fresh ampling - composite sample - spot sample B EN :2009 FLEX (ite) ampling of fresh concrete B EN :2005 FLEX (ite) Making test cubes and curing B EN :2009 FLEX (ite) Manufacture and initial curing of beams/prisms Manufacture and initial curing of concrete cylinders BEN :2009 B EN 14651: A1 B EN :2009 FLEX (ite) FLEX (ite) lump B EN :2009 FLEX (ite) CONCRETE - hardened Compressive strength of cubes - including curing B EN :2009 B EN :2009 Density B EN :2009 FLEX (NCl) Tensile splitting strength B EN :2009 FLEX (ite) Assessment Manager: AW3 Page 15 of 18

16 tandard specifications/ Equipment/Techniques used CONCRETE hardened (cont d) Cored pecimens - examining and testing in compression B EN :2009 Fibre content of fibre reinforced concrete B EN :2006 ROAD MATERIAL - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer B EN :2003 Moisture condition value B EN :2003 OIL for civil engineering purposes ampling site excavated material - from heaps ampling imported granular material - from stockpiles - from heaps Moisture content - oven drying method aturation moisture content of chalk Documented In-House Method TP 0/Method 2 (a) Documented In-House Method TP 0/Method 4 B :1990 B :1990 Assessment Manager: AW3 Page 16 of 18

17 tandard specifications/ Equipment/Techniques used OIL for civil engineering purposes (cont d) Liquid limit - cone penetrometer (definitive method) B :1990 Liquid limit - cone penetrometer - one point Liquid limit - casagrande apparatus method B :1990 B :1990 Plastic limit B :1990 Plasticity index and liquidity index B :1990 Plasticity index B : wet sieving - dry sieving - sedimentation by hydrometer Particle Density - gas jar method B :1990 B :1990 B :1990 B :1990 California Bearing Ratio (CBR) B :1990 welling of soaked CBR specimen Dry density/moisture content relationship (2.5 kg rammer) Dry density/moisture content relationship (4.5 kg rammer) B :1990 B :1990 B :1990 Assessment Manager: AW3 Page 17 of 18

18 tandard specifications/ Equipment/Techniques used OIL for civil engineering purposes (cont d) Dry density/moisture content relationship (vibrating hammer) B :1990 MCV - natural moisture content B :1990 MCV/moisture content relation B :1990 Chalk crushing value B :1990 In-situ density - sand replacement method (large pouring cylinder) Dynamic cone penetrometer Determination of the vertical deformation and strength characteristics of soil by the plate loading test B :1990 Documented In-House Method TP 9 based on manufactures operating instructions B :1990 FLEX (ite) Calculation of equivalent CBR value using the plate bearing test Design Manual for Roads and Bridges: Volume 7: pavement Design and maintenance - Foundation HD 25/94 END of Flexible scope Assessment Manager: AW3 Page 18 of 18