Schedule of Accreditation issued by United Kingdom Accreditation Service High Street, Feltham, Middlesex, TW13 4UN, UK

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Schedule of ccreditation United Kingdom ccreditation Service 21-47 High Street, Feltham, Middlesex, TW13 4UN, UK ccredited to Trefelin Llandegai angor Gwynedd LL57 4LH Contact: Mr G Jones/Mr E

1 Schedule of ccreditation United Kingdom ccreditation Service High Street, Feltham, Middlesex, TW13 4UN, UK ccredited to Trefelin Llandegai angor Gwynedd LL57 4LH Contact: Mr G Jones/Mr E Goulden Tel: +44 (0) Fax: +44 (0) postmaster@celtest.com Website: below is accredited for a flexible scope that enables it to establish site laboratories to conduct the construction materials testing and sampling activities that are indicated in the table below with the location code X. These site laboratories are set up in accordance with the Documented In-House Procedure QP Laboratory locations: s covered by the Organisation and their relevant activities details ctivity code ddress Trefelin Llandegai angor Gwynedd LL57 4LH Local contact Mr G Jones/Mr E Goulden Laboratory testing ddress Colas Ltd Mount Pleasant irfield Falkland Islands Contact Mr G Jones Laboratory testing F Site activities performed away from the locations listed above: details ctivity code ll locations suitable for the activities listed Local contact Mr G Jones/Mr E Goulden Site sampling and testing ssessment Manager: PC2 Page 1 of 16

2 Schedule of ccreditation United Kingdom ccreditation Service ccredited to DETIL OF CCREDITTION GGREGTES ggregate crushing value - particle size 10 mm and greater S :1990 ggregate crushing value - particle size smaller than 10 mm S :1990 Ten per cent fines value - dry - particle size 10 mm and greater S :1990 Ten per cent fines value - soaked - particle size 10 mm and greater S :1990 Ten per cent fines value - dry - particle size smaller than 10 mm S :1990 Ten per cent fines value - soaked - particle size smaller than 10 mm S :1990 ggregate impact value - dry S :1990 ggregate impact value - soaked S :1990 cid-soluble material content S :1985 lkali-silica reactivity - concrete prism method S :1999 Frost-heave S :2009 Carbon dioxide content (reference method) Carbon dioxide content (alternative method) S EN 196-2:2005 S EN 196-2:2005 ssessment Manager: PC2 Page 2 of 16

3 Schedule of ccreditation United Kingdom ccreditation Service ccredited to GGREGTES (cont d) Sampling aggregates - from stationary conveyor belts - from stockpiles - from lorries S EN 932-1:1997 Sampling stockpiles of fine aggregates by hand S EN 932-1:1997 Sampling stockpiles of coarse aggregates by hand S EN 932-1:1997 Sample reduction using a riffle box S EN 932-2:1999 Sample reduction by quartering S EN 932-2:1999 Sample reduction to a test portion of a specified mass within a small tolerance S EN 932-2:1999 Sample reduction with crushing to reduce the particle size S EN 932-2:1999 Particle size distribution - sieving method S EN 933-1:2012, F, X Flakiness index S EN 933-3:2012, X Shape index S EN 933-4:2008 Percentage of crushed and broken surfaces in coarse aggregate particles S EN 933-5:1998 Shell content S EN 933-7:1998 ssessment of fines - sand equivalent test ssessment of fines - methylene blue test ssessment of fines - grading of fillers (air-jet sieving) S EN 933-8:2012 S EN 933-9:2009 S EN :2009 ssessment Manager: PC2 Page 3 of 16

4 Schedule of ccreditation United Kingdom ccreditation Service ccredited to GGREGTES (cont d) Constituents of coarse recycled aggregate S EN :2009 Micro-Deval coefficient S EN :2011 Micro-Deval coefficient of railway ballast Resistance to fragmentation by the Los ngeles test method Resistance to fragmentation of aggregates for railway ballast by the Los ngeles test method S EN :2011 nnex S EN :2010 S EN :2010 nnex Loose bulk density and voids S EN :1998 pparent (bulk) density of filler in kerosene S EN :1998 Water content S EN :2008, F, X Particle density and water absorption - wire-basket method for aggregate particles between 31,5 mm and 63 mm Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31,5 mm Particle density and water absorption - pyknometer method for aggregate particles between 0,063 mm and 4 mm Particle density of filler - pyknometer method S EN :2013 S EN :2013 S EN :2013 S EN :2008 Polished stone value S EN :2009 ggregate abrasion value S EN :2009 ssessment Manager: PC2 Page 4 of 16

5 Schedule of ccreditation United Kingdom ccreditation Service ccredited to GGREGTES (cont d) Resistance to freezing and thawing S EN :2007 Magnesium sulfate test S EN :2009 Drying shrinkage S EN :2008 Water-soluble chloride salts using the Volhard method (reference method) Water-soluble sulfates in natural and manufactured aggregates Total sulfur content by acid digestion (reference method) S EN : :2012 S EN : :2012 S EN : :2012 cid soluble sulfates S EN : :2012 cid soluble sulfides S EN : :2012 Lightweight contaminators S EN : :2012 Potential presence of humus S EN : :2012 Fulvo acid content S EN : :2012 Water solubility of aggregate, excluding filler S EN : :2012 Water solubility of filler S EN : :2012 Potential alkali reactivity of aggregates (mortar-bar method) Friability coefficient for fine aggregate Constituent materials in recycled aggregate and recycled concrete aggregate Frost heave STM C NF P18-576:1990 Specification for Highway Works, HMSO November 2009 Clause 710 Specification for Highway Works, HMSO November 2009 Clause 801 ssessment Manager: PC2 Page 5 of 16

6 Schedule of ccreditation United Kingdom ccreditation Service ccredited to GGREGTES (cont d) Magnesium sulfate test Standard Hot Rolled sphalt and sphalt Concrete (Macadam) for irfields Specification 012 ppendix : July 2010 Magnesium sulfate test Magnesium sulfate test Standard Marshall sphalt for irfields Specification 013 ppendix : ugust 2009 Standard Stone Mastic sphalt for irfields Specification 049 ppendix : ugust 2009 ITUMINOUS MTERILS Needle penetration - 25 o C S EN 1426:2007 Softening point - ring and ball method S EN 1427:2007 itumen recovery: rotary evaporator S EN :2013 ITUMINOUS MIXTURES for roads and other paved areas Wheel-tracking rate Protocol for determining the design binder content of designed HR surface course mixtures S :1998 S :2010 nnex H Soluble binder content by difference, using bottle rotation machine and pressure filter S EN :2012, X Soluble binder content by recovery, using bottle rotation machine, bucket centrifuge type 1 and volume calculation S EN :2012 Particle size distribution S EN :2002, X Maximum density - volumetric procedure S EN :2009, X ssessment Manager: PC2 Page 6 of 16

7 Schedule of ccreditation United Kingdom ccreditation Service ccredited to ITUMINOUS MIXTURES for roads and other paved areas (cont d) ulk density - dry - saturated surface dry (SSD) S EN :2012, X ulk density - sealed specimen - by dimensions S EN :2012 ir voids content (V m ) S EN :2003, X Percentage of the voids in the mineral aggregate filled with binder (VF) Voids content in the mineral aggregate (VM) Conventional refusal density - vibratory compaction Percentage refusal density (PRD) - vibratory compaction ffinity between aggregate and bitumen - rolling bottle method - static method S EN :2003 Standard Marshall sphalt for irfields Specification 013 : ugust 2009 S EN :2003 Standard Marshall sphalt for irfields Specification 013 : ugust 2009 S EN :2002 S EN :2002 S EN :2012, X, X Sensitivity to water - method S EN :2008 Measurements of temperature - in a lorry - of laid materials - in a heap Particle loss of porous asphalt specimen inder drainage - Schellenberg method S EN :2000 S EN :2004 S EN :2004 ssessment Manager: PC2 Page 7 of 16

8 Schedule of ccreditation United Kingdom ccreditation Service ccredited to ITUMINOUS MIXTURES for roads and other paved areas (cont d) Permeability of bituminous specimen - vertical permeability - horizontal permeability S EN :2012 Wheel tracking using a small size device and procedure S EN :2003 Wheel tracking using a small size device and procedure in air S EN :2003 Indirect tensile strength S EN :2003 Stiffness - test applying indirect tension to cylindrical specimens (IT-CY) Sampling - from the material around the augers of the paver - of workable material in heaps - of laid and compacted materials by coring Preparation of samples for determining binder content, water content and grading Determination of the dimensions of a bituminous sample Specimen preparation by impact compactor with wooden pedestal Laboratory compaction of bituminous mixtures by vibratory compaction Specimen prepared by roller compactor S EN :2004 nnex C S EN :2001 S EN :2001 S EN :2002 S EN :2004 Standard Marshall sphalt for irfields Specification 013 : ugust 2009 S EN :2003 S EN :2003,, X, X ssessment Manager: PC2 Page 8 of 16

9 Schedule of ccreditation United Kingdom ccreditation Service ccredited to ITUMINOUS MIXTURES for roads and other paved areas (cont d) Marshall test S EN :2012 Standard Marshall sphalt for irfields Specification 013 : ugust 2009, X Laboratory mixing S EN :2004 Thickness of a bituminous pavement - destructive method Hot sand test for the adhesivity of binder on precoated chippings for HR mount of coarse foreign matter in reclaimed asphalt Sampling of finished material - core cutting method sphalt mix design sphalt mix design Sensitivity to water Torque bond test Sensitivity to diesel (or other fluid) S EN :2003 S EN :2003 S EN :2012 Specification for Highway Works, HMSO November 2008 Clause 929 Standard Hot Rolled sphalt and sphalt Concrete (Macadam) for irfields Specification 012 : July 2010 Standard Marshall sphalt for irfields Specification 013 ppendix : ugust 2009 SG3 Guideline Document ppendix.2 : March 2011 SG3 Guideline Document ppendix.3 : March 2011 SG3 Guideline Document ppendix.5 : March 2011, X ssessment Manager: PC2 Page 9 of 16

10 Schedule of ccreditation United Kingdom ccreditation Service ccredited to ITUMINOUS ROD SURFCING In-situ density - nuclear method Documented In-House Method No M/NDM In-situ density - dielectric method Documented In-House Method No M/PQI CONCRETE - fresh Sampling fresh concrete on site - composite sample - spot sample S EN :2009 Slump S EN :2009 Degree of compactability S EN :2009 ir content - water column method Making cubic specimens for strength tests Curing cubic specimens for strength tests S EN :2009 S EN :2009 S EN :2009,, F,, F CONCRETE - hardened Chloride content S :1988 Depth of carbonation S :1986 RE IP 6/81 Resistivity S :1986 Compressive strength of cubes - including curing Compressive strength of cylinders - including curing S EN :2009 S EN :2009 S EN :2009 S EN :2009, F Tensile splitting strength S EN :2009 Density S EN :2009, F Depth of penetration of water under pressure Stabilized secant modulus of elasticity S EN :2009 S EN :2013 Method ssessment Manager: PC2 Page 10 of 16

11 Schedule of ccreditation United Kingdom ccreditation Service ccredited to CONCRETE - hardened Taking cores S EN :2009 (cont d) Cored specimens - examining S EN :2009, F Cored specimens - testing in compression Drilling for dust samples Chloride content - potentiometric method S EN :2009 Concrete Society Technical Report 60 CDG Technical Guide 2 Documented In-House Method No CC38b, CC38c, F CONCRETE - reinforced of reinforcement S :1988 Half-cell potential of uncoated reinforcing steel in concrete Visual and hammer survey STM C Documented In-House Method No SURV01 FILLER GGREGTE used in bituminous mixtures Delta ring and ball S EN :2000 GEOSYNTHETICS Coefficient of soil and geosynthetic friction by the direct shear method STM D Coefficient of geosynthetic and geosynthetic friction by the direct shear method STM D MEDI for IOLOGICL PERCOLTING FILTERS Soundness S 1438:2004 PVED SURFCES Texture depth by the sand-patch method S :2000 Irregularities on surfaces of roads, footways and other paved areas using a type 1 straightedge with fixed support feet and wedge S 8420:2003, X ssessment Manager: PC2 Page 11 of 16

12 Schedule of ccreditation United Kingdom ccreditation Service ccredited to PVED SURFCES (cont d) Pavement surface macrotexture depth using a volumetric patch technique S EN :2010 Slip/skid resistance of a surface - the pendulum test S EN :2011 Irregularity of pavement courses - the straightedge test S EN :2003 Surface regularity using a rolling straight-edge Specification for Highway Works, HMSO November 2009 Clause 702 Surface accuracy Standard Marshall sphalt for irfields Specification 013 : ugust 2009 Concrete surface regularity Standard Pavement Quality Concrete for irfields Specification 033 : pril 2005 Surface accuracy Standard Stone Mastic sphalt for irfields Specification 049 : ugust 2009 Skid resistance value TRRL Road Note 27/69 SLT for spreading on highways for winter maintenance Moisture content Grading by sieve analysis S 3247:2011 S 3247:2011 Matter insoluble in water S 3247:2011 Chloride content S 3247:2011 Soluble sulphate compounds S 3247:2011 SLTE and STONE PRODUCTS for discontinuous roofing and cladding Length and width and the deviation from the specified length and width S EN :2011 ssessment Manager: PC2 Page 12 of 16

13 Schedule of ccreditation United Kingdom ccreditation Service ccredited to SLTE and STONE PRODUCTS for discontinuous roofing and cladding (cont d) mount by which the edges deviate from a straight edge Rectangularity of slates S EN :2011 S EN :2011 Thickness of individual slates S EN :2011 Deviation from flatness S EN :2011 Modulus of rupture and characteristic modulus of rupture S EN :2011 Water absorption test S EN :2011 Sulfur dioxide exposure test for slates with a carbonate content less than or equal to 20 % (mass percentage) S EN :2011 Thermal cycle test S EN :2011 Carbonate content by the reference method for determination of carbondioxide specified in EN S EN :2000 SOILS for civil engineering purposes Moisture content - oven drying method S :1990, F Liquid limit - cone penetrometer S :1990 Liquid limit - cone penetrometer - one point S :1990 Plastic limit S :1990, F Plasticity index S :1990 Particle density - gas jar S :1990 Particle density - small pyknometer S :1990 ssessment Manager: PC2 Page 13 of 16

14 Schedule of ccreditation United Kingdom ccreditation Service ccredited to SOILS for civil engineering purposes (cont d) Particle size distribution - wet sieving S :1990, F Particle size distribution - dry sieving S :1990, F Particle size distribution - sedimentation - pipette method S :1990 Organic matter content S :1990 Sulphate content of soil and ground water - gravimetric method S :1990 ph value S :1990 Resistivity: open container method S :1990 Redox potential S :1990 Dry density/moisture content relationship (2.5 kg rammer) Dry density/moisture content relationship (4.5 kg rammer) Dry density/moisture content relationship (vibrating hammer) Moisture condition value (MCV) MCV - natural moisture content S :1990 S :1990 S :1990 S :1990 S :1990, MCV/moisture content relation S :1990 California earing Ratio (CR) S :1990 Permeability in a triaxial cell S :1990 ssessment Manager: PC2 Page 14 of 16

15 Schedule of ccreditation United Kingdom ccreditation Service ccredited to SOILS for civil engineering purposes (cont d) Undrained shear strength - triaxial compression without of pore pressure S :1990 In-situ density - sand replacement method (small pouring cylinder) S :1990 In-situ density - sand replacement method (large pouring cylinder) S :1990 In-situ density - core cutter method S :1990 In-situ bulk density - nuclear method - comparative tests S :1990 In-situ bulk density - nuclear method - absolute tests S :1990 In-situ bulk density - nuclear method - compliance tests S :1990 In-situ moisture density - nuclear method - comparative tests S :1990 In-situ moisture density - nuclear method - absolute tests S :1990 In-situ moisture density - nuclear method - compliance tests S :1990 Vertical deformation and strength characteristics by the incremental plate loading test S :1990 Carbonate content - volumetric method S EN ISO 10693:2014 ssessment Manager: PC2 Page 15 of 16

16 Schedule of ccreditation United Kingdom ccreditation Service ccredited to SOILS for civil engineering purposes (cont d) Determination of equivalent CR value using the plate bearing test Specification for Highway Works: Design Guidance for Road Pavement Foundations Interim dvice Note 73/06 Determination of effective angle of internal friction and effective cohesion of earthworks materials (using 300 mm shearbox) Specification for Highway Works, HMSO November 2009 Clause 636 Uniformity coefficient Specification for Highway Works, HMSO November 2007 Table 6/1, Footnote 5 Determination of the permeability of clayey soils in a triaxial cell using the accelerated permeability test Environment gency R & D Technical Report P1-398/TR/2 : January 2003 Horizontal permeability of road drainage layers using the permeability box H 41/90 Determination of the methylene blue value of bentonite-containing soils Documented In-House Method No SO71 Equivalent CR value using a dynamic cone penetrometer (DCP) Documented In-House Method No MS-G-ST-02 based on IN 73/06 Revision 1 (2009) UNOUND and HYDRULICLLY OUND MIXTURES Laboratory reference density and water content - vibrating hammer S EN :2003, F Compressive strength of hydraulically bound mixtures S EN :2003 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction S EN :2004 Curing of hydraulically bound mixtures S EN :2004 nnex C Regime END ssessment Manager: PC2 Page 16 of 16

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

Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Schedule of ccreditation United Kingdom ccreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK ccredited to Trefelin Llandegai angor Gwynedd LL57 4LH Contact: Mr G Jones/Mr