HOKLAS276 Scope of Accreditation

1 Contact Details Registration No. HOKLAS 276 Page 1 of 1 MINSEN Testing (Hong Kong) Limited ( ) Contact details last updated on: 30 December 2021 TEST CAL 276 ADDRESS : Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D ENQUIRY Mr HUANG Jian-min, Managing Director TELEPHONE 2153 2619 FAX 2153 2629 E-MAIL CLIENTELE Public Scope of Accreditation Registration No. HOKLAS 276 Page 1 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL ADDRESS Main Laboratory : Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Branch Laboratory : Unit F2, G/F, Tuen Mun Industrial Centre, 2 San Ping Circuit, Tuen Mun, New Territories, Hong Kong 2 F2 ACCREDITED TEST CATEGORIES : Calibration Services Construction Materials Scope of Accreditation Registration No.

2 HOKLAS 276 Page 2 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Calibration Services ITEM TESTED OR MEASURED SPECIFIC TEST OR PROPERTY MEASURED@ @ CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* * Construction materials testing equipment - Cement grout flow cone Verification in accordance with in-house procedure MTTP-CA-11-002 for the performance as specified in: ASTM C939-97 Cl. 8 Time of efflux pf water from cone: s s - Compacting bar Verification in accordance with in-house procedure MTTP-CA-11-003 for the dimensional and mass requirements as specified in: CS1: 1990 Vol.

3 1 (AMD 1102) Cl. A9, or CS1: 2010 Vol. 1 Cl. A10 Dimensions of ramming face: 25 mm x 25 mm mm Length: 380 mm mm Mass: kg 10 g - Concrete test cube mould Verification in accordance with in-house procedure MTTP-CA-11-001 for the dimensional requirements as specified in CS1: 1990 Vol. 1 (AMD 1102) Cl. A21 <Excluding> (e) Dimensions: 100 mm or 150 mm mm Thickness of base plate: minimum 10 mm mm Flatness: not more than mm or mm mm Squareness: mm mm Parallelism: 1 mm mm Verification in accordance with in-house procedure MTTP-CA-11-001 for the dimensional requirements as specified in CS1: 2010 Vol.

4 1 Cl. A25 Dimensions: 100 mm or 150 mm mm Thickness of base plate: minimum 10 mm mm Flatness: not more than mm or mm mm Perpendicularity: mm mm Parallelism: 1 mm mm @ Unless otherwise specified, accredited activities are conducted at the laboratory. * The calibration uncertainty of a device under test, which is usually reported at 95% confidence level, depends on both the CMC of the laboratory and the performance of the device during calibration. Scope of Accreditation Registration No. HOKLAS 276 Page 3 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Calibration Services ITEM TESTED OR MEASURED SPECIFIC TEST OR PROPERTY MEASURED@ @ CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* * Construction materials testing equipment (cont d)

5 - Curing tank On-site verification by determining the following parameters in accordance with in-house procedure MTTP-CA-11-005 Temperature distribution K Efficiency of circulation 30 s - Drying oven On-site verification by determining the following parameters in accordance with AS - 1991 c. and (with modification) Temperature variation: 10 C to 150 C K Evaporation rate at 100 C to 110 C: 15 g/hr g/hr - Flow table apparatus for determination of Verification in accordance with flow of fresh concrete in-house method MTTP-CA-11-009 for the dimensional and mass requirements as specified in CS 1: 2010 Vol. 1 App.

6 , , and Flow table: Dimensions of metal plate: 700 mm x 700 mm 1 mm Thickness: minimum 2 mm mm Diameter of central circle: 210 mm mm Fall height: 40 mm mm Mass: 16 kg 5 g Mould: Internal diameter of base: 200 mm mm Internal diameter of top: 130 mm mm Height: 200 mm mm Thickness: minimum mm mm Tamping bar: Dimensions of square section: 40 mm x 40 mm mm Length of square section: 200 mm mm Length of circular handle: 120 mm to 150 mm mm Measuring jigs: 50 mm x 50 mm x 100 mm mm @ Unless otherwise specified, accredited activities are conducted at the laboratory. * The calibration uncertainty of a device under test, which is usually reported at 95% confidence level, depends on both the CMC of the laboratory and the performance of the device during calibration.

7 Scope of Accreditation Registration No. HOKLAS 276 Page 4 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Calibration Services ITEM TESTED OR MEASURED SPECIFIC TEST OR PROPERTY MEASURED@ @ CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* * Construction materials testing equipment (cont d) - Rebound hammer Verification in accordance with 1 rebound count in-house procedure MTTP-CA-11-008 by determining the rebound value using an anvil which complies with bs en 12504-2: 2001 Cl. - Test sieve of perforated plate Verification in accordance with in-house procedure MTTP-CK-SR11-010A for the dimensional requirements as specified in BS 410: 1986 Aperture size: 4 mm to 125 mm mm Bridge width: mm to 20 mm mm Verification in accordance with in-house procedure MTTP-CK-SR11-010D for the dimensional requirements as specified in BS 410-2: 2000 Round hole size: 1 mm to 4 mm m to 25 m Round hole size: 4 mm to 125 mm mm Square hole size: 4 mm to 125 mm mm Pitch: 1 mm to 200 mm mm Plate thickness.

8 Mm to 4 mm mm Verification in accordance with in-house procedure MTTP-CK-SR11-010D for the dimensional requirements in ISO 3310-2: 1999 Round hole size: 1 mm to 4 mm m to 25 m Round hole size: 4 mm to 125 mm mm Square hole size: 4 mm to 125 mm mm Pitch: 1 mm to 200 mm mm Plate thickness: mm to 4 mm mm @ Unless otherwise specified, accredited activities are conducted at the laboratory. * The calibration uncertainty of a device under test, which is usually reported at 95% confidence level, depends on both the CMC of the laboratory and the performance of the device during calibration. Scope of Accreditation Registration No. HOKLAS 276 Page 5 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Calibration Services ITEM TESTED OR MEASURED SPECIFIC TEST OR PROPERTY MEASURED@ @ CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* * Construction materials testing equipment (cont d) - Test sieve of woven wire cloth Verification in accordance with in-house procedure MTTP-CK-SR11-010B for the dimensional requirements as specified in BS 410: 1986 Aperture size.

9 Mm to 4 mm m to 25 m Wire diameter: mm to mm m to 25 m Verification in accordance with in-house procedure MTTP-CK-SR11-010C for the dimensional requirements as specified in BS 410-1: 2000 Aperture size: mm to 125 mm m to 25 m Wire diameter: mm to 10 mm m to 25 m Verification in accordance with in-house procedure MTTP-CK-SR11-010C for the dimensional requirements as specified in ISO 3310-1:2000 Aperture size: mm to 125 mm m to 25 m Wire diameter: mm to 10 mm m to 25 m @ Unless otherwise specified, accredited activities are conducted at the laboratory.

10 * The calibration uncertainty of a device under test, which is usually reported at 95% confidence level, depends on both the CMC of the laboratory and the performance of the device during calibration. Scope of Accreditation Registration No. HOKLAS 276 Page 6 of 44 Issue Date: 7 April 2022 Ref: HOKLAS276 -24 MINSEN Testing (Hong Kong) Limited ( ) 276 TEST CAL Units C & D, 12/F, Tins Centre Block II, 3 Hung Cheung Road, Tuen Mun, New Territories, Hong Kong 3 2 12 C D Calibration Services ITEM TESTED OR MEASURED SPECIFIC TEST OR PROPERTY MEASURED@ @ CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* * Construction materials testing equipment (cont d) - Slump cone Verification in accordance with in-house procedure MTTP-CA-11-004 for the dimensional requirements as specified in CS1: 1990 Vol.