Contact Details Registration No. HOKLAS 010 Page 1 of 1

010 TEST CAL

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所 ADDRESS 地址

:

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街2號B，工務中央試驗所大樓

ENQUIRY 查詢

: Mr TAM Siu-wa, Chief Technical Officer/Central Laboratory 譚少華先生，總技術主任/中央試驗所

TELEPHONE 電話

: 2305 1290

FAX 傳真

: 2795 9611

E-MAIL 電郵

: pwcl_cto@cedd.gov.hk

WEBSITE ADDRESS 網址

: www.cedd.gov.hk/eng/services/laboratory

CLIENTELE 服務對象

: Government departments, conditionally available for public testing 政府部門，有限度公眾服務

Last updated on: 13 December 2016

Scope of Accreditation Registration No. HOKLAS 010 Page 1 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

ADDRESS 地址

Main Laboratory : Public Works Central Laboratory 工務中央試驗所

Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Branch /Regional Laboratories

: Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Public Works Regional Laboratory ( Kowloon ) 工務區域試驗所(九龍) Lok Wah Street, Tsz Wan Shan, Kowloon 九龍慈雲山樂華街

ACCREDITED TEST CATEGORIES 認可測試類別

: Calibration Services 校正服務 Construction Materials 建築材料

Scope of Accreditation Registration No. HOKLAS 010 Page 2 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Construction materials testing equipment - Skid resistance tester Calibration in accordance with BS EN 1097-8 : 2000 App. D

- Mass of pendulum arm 0.1 g - Mass of pointer 0.02 g - Length of pointer 0.5 mm - Length of pendulum arm 0.5 mm - Distance between C.G. of pendulum arm 1.0 mm and centre of oscillation - Angle of slider 0.5o - Setting of spring tension 0.002 N - Change in static force on the slider 0.02 N/mm - Slider movement when the lifting handle at 0.1 mm

its extreme position - Slider movement when the slider at its 0.1 mm extreme position @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 3 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Length and related measurements - Length measurements - Caliper Calibration in accordance with in-house method PWLTM CAL 3.2 over the following range : up to 500 mm 0.032 mm - Dial gauge Calibration in accordance with in-house method PWLTM CAL 3.4 over the following ranges : up to 25 mm (using micrometer calibrator) 0.004 mm up to 50 mm (using grating tester/indicator 0.002 mm inspection machine) up to 100 mm (using gauge blocks) 0.002 mm - Digimatic indicator Calibration in accordance with in-house method PWLTM CAL 3.5 over the following ranges : up to 25 mm (using micrometer calibrator) 0.004 mm up to 50 mm (using grating tester/indicator 0.002 mm inspection machine) up to 100 mm (using gauge blocks) 0.002 mm @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 4 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Length and related measurements (cont’d) - Length measurements (cont’d) - Extensometer On-site calibration in accordance with BS 3846 : 1970 using calibrating rig for the following: Grade D for gauge length not less than 25 mm 3.0µm On-site calibration in accordance with BS EN 10002-4 : 1995, or BS EN ISO 9513:2002 using calibration rig for the following: Class 1.0 for gauge length not less than 25 mm 1.7µm - External micrometer Calibration in accordance with in-house method PWLTM CAL 3.3 over the following range : up to 50 mm 0.005 mm @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 5 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Mass and related measurements - Force measurements - Force testing machine - Concrete testing machine On-site calibration in accordance with BS 1610 : Part 1 : 1985, or BS 1610 : Part 1 : 1992 over the following range : 1 kN to 3000 kN 0.32 % (Calibration is conducted using Grade 1.0 load cells) On-site calibration in accordance with BS EN 12390-4:2000 Table 1 and Annex B over the following range : 1 kN to 3000 kN 0.32 % (Calibration is conducted using Class 1 load cells) On-site strain gauged column and proving test 0.02 strain ratio (stability test) in accordance with BS 1881 : Part 115 : 1986 (Amd. 6536), or BS EN 12390-4:2000 Table 3 and Annex A, or CS1 : 1990 App. D, or CS1 : 2010 App. D - Tensile testing machine On-site calibration in accordance with BS EN 10002-2 : 1992 over the following range : 50 N to 2000 kN 0.32 % (Calibration is conducted using Class 1 load cells) @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 6 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Mass and related measurements (cont’d) - Force measurements(cont’d) - Force testing machine(cont’d) - Uniaxial testing machine in compression On-site calibration in accordance with and tension modes BS EN ISO 7500-1 : 1999, or BS EN ISO 7500-1 : 2004 over the following range : Compression: 50 N to 3000 kN 0.32 % (Calibration is conducted using Class 1 load cells) Tension: 50 N to 2000 kN 0.32 % (Calibration is conducted using Class 1 load cells) - Universal testing machine in compression On-site calibration in accordance with mode BS 1610: Part 1: 1985, or BS 1610: Part 1: 1992, or over the following range : 50 N to 3000 kN 0.32 % (Calibration is conducted using Grade 1.0 load cells) - Universal testing machine in tension On-site calibration in accordance with mode BS 1610: Part 1: 1985 over the following range : 50 N to 2000 kN 0.32 % (Calibration is conducted using Grade 1.0 load cells) @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 7 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Mass and related measurements (cont’d) - Force measurements(cont’d) - Load cell Calibration in accordance with in-house method PWLTM CAL 1.10 50 N to 1000 kN 0.56% - Proving ring and force transducer Calibration of force in accordance with GEOSPEC 3 Cl. A3 over the following range : 50 N to 100 kN 0.35% - Mass measurements - Electronic balance On-site calibration in accordance with in-house method PWLTM CAL 10.4 over the following range : 1 g to 200 g 0.5 mg above 200 g to 2 kg 4 mg above 2 kg to 6 kg 10 mg above 6 kg to 20 kg 35 mg above 20 kg to 30 kg 50 mg (Calibration is conducted using OIML Class F1 weights from 1 g to 30 kg - Weight Calibration in accordance with in-house method PWLTM CAL 10.2 over the following range : 20 g - 200 g 4 mg 200 g - 6 kg 40 mg 6 kg - 30 kg 400 mg @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 8 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Mass and related measurements (cont’d) - Pressure measurements - Pressure gauge Calibration in accordance with in-house method PWLTM CAL 2.2 using an electronic manometer over the following range : 0 kPa to 2000 kPa 0.67 kPa - Pressure gauge and pressure transducer Calibration in accordance with GEOSPEC 3, Cl. A3.2 over the following range : 50 kPa to 2500 kPa 0.22% - Vacuum gauge Calibration in accordance with in-house method PWLTM CAL 2.2 using an electronic manometer over the following range : -98 kPa to 0 kPa 0.67 kPa @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 9 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Temperature measurements - Liquid in glass thermometer Calibration in accordance with in-house method PWLTM CAL 6.1 over the following ranges : 0oC 0.1 K 10oC to 80oC 0.2 K 80oC to 170oC 0.6 K - Thermocouple and temperature indicator Calibration in accordance with in-house method PWLTM CAL 6.1 over the following ranges : 0oC 0.4 K 10oC to 80oC 0.4 K 80oC to 170oC 0.7 K - Digital thermometer and temperature Calibration in accordance with indicator in-house method PWLTM CAL 6.1 over the following ranges : 0oC 0.1 K 10oC to 80oC 0.3 K 80oC to 170oC 0.6 K - Thermometer with analogue display Calibration in accordance with in-house method PWLTM CAL 6.1 over the following ranges : 0oC 0.4 K 10oC to 80oC 0.5 K 80oC to 170oC 1.0 K @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 10 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Calibration Services 校正服務

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED@ 特定測試或量度的特性@

CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 校準和測量能力*

Temperature measurements (cont’d) - Platinum resistance thermometer Calibration in accordance with in-house method PWLTM CAL 6.1 over the following ranges : 0oC 0.1 K 10oC to 80oC 0.2 K 80oC to 170oC 0.6 K @

UNLESS OTHERWISE SPECIFIED, ACCREDITED ACTIVITIES ARE CONDUCTED AT THE LABORATORY.

* THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.

Scope of Accreditation Registration No. HOKLAS 010 Page 11 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Admixtures Chloride ion content BS 5075: Part 1: 1982 App. E (chemical analysis) Aggregates Water-soluble chloride ion content CS3: 2013 Section 21.3 (chemical analysis) Acid-soluble sulphate content CS3: 2013 Section 21.5 Total sulphur content CS3: 2013 Section 21.6 Presence of humus CS3: 2013 Section 21.7 Aggregates Methylene blue value for fine aggregate CS3: 2013 Section 13 Drying shrinkage CS3: 2013 Section 20 Effect of organic substances by mortar method CS3: 2013 Section 22 Ultra-accelerated mortar bar test for assessment CS1: 2010 Section 22 of alkali silica reaction potential of aggregates

Bituminous materials Penetration test of bitumen ASTM D5-05

Density test of bitumen ASTM D3289-03 Penetration of bituminous materials ASTM D1754-97 ASTM D5-05 Ductility of bituminous materials ASTM D113-99 Bricks Dimensions of precast unreinforced concrete BS 7263 Part 1: 2001 paving flags Bending strength of precast unreinforced BS 7263 Part 1: 2001 concrete paving flags

Scope of Accreditation Registration No. HOKLAS 010 Page 12 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Cement Density BS EN 196-6: 1992 Annex NC BS EN 196-6: 2010 Annex NC Fineness BS EN 196-6: 1992 Cl. 4 (by Blaine method) BS EN 196-6: 2010 Cl. 4 (by Blaine method) Standard consistence BS EN 196-3: 1995 Cl. 5 BS EN 196-3: 2005 + Al:2008 Cl. 5 Setting times BS EN 196-3: 1995 Cl. 6 BS EN 196-3: 2005 + Al:2008 Cl. 6 Soundness BS EN 196-3: 1995 Cl. 7 BS EN 196-3: 2005 + Al:2008 Cl. 7 Compressive strength of broken mortar prism BS EN 196-1: 1995 in the force range 2 kN – 250 kN BS EN 196-1: 2005 Flexural strength of mortar prism BS EN 196-1: 1995 in the force range 2 kN – 250 kN BS EN 196-1: 2005 Cement Loss-on-ignition BS EN 196-2: 2005 Cl. 7 (chemical analysis) Chloride content BS EN 196-2: 2005 Cl. 14 Sulphate content (as SO3) BS EN 196-2: 2005 Cl. 8 Residue insoluble in hydrochloric acid BS EN 196-2: 2005 Cl. 9 and sodium carbonate Alkali content BS EN 196-2: 2005 Cl. 17 Cement stabilised soil Unconfined compressive strength of Interim Guidelines on Testing of Unconfined Compressive cement stabilised soil cores Strength of Cement Stabilised Soil Cores in Hong Kong (with or without capping) (Oct 2017) Appendix B published by Geotechnical Division of The Hong Kong Institution of Engineers

Scope of Accreditation Registration No. HOKLAS 010 Page 13 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術

Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 + Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 + Amd. 1201, 1202 & 1203 in the force range 50 kN - 2000 kN CS1: 2010 Section 12 (including cement grout cubes) Compressive strength of cores CS1: 1990 Section 15 + Amd. 1101, 1201, 1202, 1203 in the force range 50 kN - 2000 kN & 1205 CS1: 2010 Section 15 Tensile splitting strength of cylindrical CS1: 1990 Section 13 + Amd. 1101, 1201,1202 & 1204 specimens CS1: 2010 Section 13 Concrete’s ability to resist chloride ion CS1: 2010 Section 19 penetration Measurement of dimensions and BS 7263: Part 1: 1994 transverse strength of precast concrete kerbs Flexural strength of concrete test beams CS1: 2010 Section 14 in the force range 3 kN - 100 kN Concrete Chloride content (expressed as percentage CS 1: 1990 Section 21.10.2 (chemical analysis) by mass of concrete) BS 1881: Part 124: 1988 cl. 10.2 CS 1: 2010 Section 21.10.2 Sulphate content (expressed as percentage CS 1: 1990 Section 21.10.3 by mass of concrete) CS 1: 2010 Section 21.10.3

Scope of Accreditation Registration No. HOKLAS 010 Page 14 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Ground granulated blastfurnace slag Activity index BS EN 196-1: 1995 Cl. 9.3 in conjunction with the following specification: BS EN 15167-1: 2006 Cl. 5.3.2.3 Standard consistence BS EN 196-3: 1995 Cl. 5 in conjunction with the following specification: BS EN 15167-1: 2006 Cl. 5.3.2.2 Initial setting time BS EN 196-3: 1995 Cl. 6.1 and 6.2 in conjunction with the following specification: BS EN 15167-1: 2006 Cl. 5.3.2.2 Density BS EN 196-6: 1992 Annex NC in conjunction with the following specification: BS EN 15167-1: 2006 Cl. 5.5g Fineness BS EN 196-6: 1992 Cl. 4 (by Blaine Method) in conjunction with the following specification: BS EN 15167-1: 2006 Cl. 5.3.1 Ground water Sulphate content GEOSPEC 3: 2001 Test 9.3 (chemical analysis) pH value GEOSPEC 3: 2001 Test 9.5

Manhole Resistance to fracture of manhole covers General Specification for Civil Engineering Works and gully gratings (2006) Vol. 1 Cl. 5.95 & App. 5.3 Loading test of gully tops and manhole tops BS EN 124: 1994 Cl. 8 Mass of manhole covers and gully gratings In-house method STE 6.1

Scope of Accreditation Registration No. HOKLAS 010 Page 15 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Metallic Materials Mass per unit length of carbon steel bars CS2: 1995 Tensile strength test of carbon steel bars CS2: 1995 in the force range 5 kN – 1600 kN Bend test of carbon steel bars CS2: 1995 Rebend test of carbon steel bars CS2: 1995 Mass per unit area, pitch and dimension BS 4483: 1985 of steel fabric Tensile strength test of steel fabric BS 4483: 1985 with modifications in the force range 0.2 kN - 200 kN Rebend test of steel fabric BS 4483: 1985 with modifications Weld test of steel fabric BS 4483: 1985 in the force range 0.2 kN – 200 kN Tensile test of high tensile 7-wire strands BS 5896: 1980 in the force range 8 kN – 980 kN Static tension test, static compression test & AC133: 2008 cyclic tension & compression test for Code of Practice for Structural Use of Concrete (2013) mechanical connectors for steel reinforcing Cl. 3.2.8.4 bars (type 2 splice) in the force range 5 kN -1600 kN

Permanent elongation and tensile strength of General Specification for Civil Engineering Works reinforcement connectors /couplers (2006) Vol. 2 Cl. 15.35 in the force range 5 kN – 1600 kN Code of Practice for Structural Use of Concrete (2004) Cl. 3.2.8.2 Code of Practice for Structural Use of Concrete (2013) Cl. 3.2.8.3

Scope of Accreditation Registration No. HOKLAS 010 Page 16 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Metallic Materials Mass per meter of steel reinforcing bars CS2: 2012 (cont’d) Tensile test of steel reinforcing bars in the CS2: 2012 force range 10 kN – 1600 kN Rebend test of steel reinforcing bars CS2: 2012 Bond property of steel reinforcing bars CS2: 2012 by surface geometry measurement Tensile strength tests on weldable structural BS 4360: 1986 steel sections in the force range 5 kN – 1600 kN Tensile properties of structural steel BS EN 10025-1: 2004 Tensile strength of hot finished structural BS EN 10210-1: 2006 Cl. 9.2.2 hollow sections of non-alloy and fine grain steels Tensile test of cold formed welded structural BS EN 10219-1: 2006 Cl. 9.2.2 hollow sections of non-alloy and fine grain steels Playground equipment Head injury criteria value for impact BS EN 1177: 1998 (excluding Cl. 6.4.3.2) .vs1. absorbing playground surfacing in the (Free falling headform method) height range 0.6 m to 3 m.

Scope of Accreditation Registration No. HOKLAS 010 Page 17 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Pipes Water absorption of precast unreinforced BS 5911: Part 100: 1988 + Amd. 7588 and reinforced concrete pipes Crushing strength for precast unreinforced BS 5911: Part 100: 1988 + Amd. 7588 and reinforced concrete pipes Water absorption of precast reinforced BS 5911: Part 120: 1989 App. E concrete jacking pipes Crushing strength for precast reinforced BS 5911: Part 120: 1989 App. G concrete jacking pipes Water absorption and watertightness test for BS 5911: Part 2: 1982 precast concrete inspection chambers and street gullies Pulverised fuel ash Fineness BS 3892: Part 1: 1997 App. D4 Water Requirement BS 3892: Part 1: 1997 App. E Particle Density BS 3892: Part 1: 1997 Cl. 7 Initial Setting Time BS 3892: Part 1: 1997 Cl. 10 Standard Consistence BS 3892: Part 1: 1997 Cl. 10 Soundness BS 3892: Part 1: 1997 Cl. 11 Strength Factor BS 3892: Part 1: 1997 Annex F

Scope of Accreditation Registration No. HOKLAS 010 Page 18 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Pulverised fuel ash Loss-on-ignition (Uncorrected) BS EN 196-2 : 2005 Cl. 7 (chemical analysis) Sulphuric anhydride content (as SO3) BS EN 196-2 : 2005 Cl. 8 Calcium oxide content (CaO) BS EN 196-2 : 2005 Cl. 13.12 (Reference method) Sodium oxide content BS EN 196-2: 2005 Cl. 17 (Reference method) Potassium oxide content BS EN 196-2: 2005 Cl. 17 (Reference method) Total alkali content BS EN 196-2 : 2005 Cl. 17 (Reference method) Rock Preparation of rock core specimens, and ASTM D4543-91 with modifications determination of dimensional and shapes Tolerances Point load strength for diametral and axial test ASTM D5731-95 Direct shear strength of discontinuities under ASTM D5607-95 with modifications constant normal force Cerchar abrasiveness index (CAI) ASTM D7625-10 Unconfined uniaxial compressive strength ASTM D2938-95 in the force range 50 kN – 2500 kN Elastic moduli in uniaxial compressive test ASTM D3148-96 in the force range 50 kN – 2500 kN

Scope of Accreditation Registration No. HOKLAS 010 Page 19 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 (Phase I) at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Liquid limit, plastic limit, and plasticity index GEOSPEC 3: 2001 Test 6.1 Liquidity index GEOSPEC 3: 2001 Test 6.2 Particle density by gas jar method GEOSPEC 3: 2001 Test 7.1 Particle density by small pyknometer method GEOSPEC 3: 2001 Test 7.2 Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (with dispersant) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (without dispersant) Construction of a continuous particle size GEOSPEC 3: 2001 Test 8.7 distribution curve from the results of wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 20 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 (Phase I) of soils containing particles which are (cont’d) susceptible to crushing

(using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 of soils containing particles which are not susceptible to crushing (using a CBR mould and 4.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 21 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 (Phase I) of soils containing particles which are (cont’d) susceptible to crushing

(using a CBR mould and 4.5 kg rammer) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.2 of soil by the sand replacement method suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4 California Bearing Ratio (CBR) GEOSPEC 3: 2001 Test 12.1 Soil moisture content by infrared oven drying In-house method SOL 2.18

Scope of Accreditation Registration No. HOKLAS 010 Page 22 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil One-dimensional consolidation test GEOSPEC 3: 2001 Test 14.1 (Phase II) Isotropic compression test in a triaxial cell GEOSPEC 3: 2001 Test 14.2 Unconsolidated undrained triaxial GEOSPEC 3: 2001 Test 15.1 compression test without pore pressure measurement Isotropically consolidated undrained triaxial GEOSPEC 3: 2001 Test 15.2 compression test with pore pressure measurement Isotropically consolidated drained triaxial GEOSPEC 3: 2001 Test 15.3 compression test with measurement volume change Isotropically consolidated undrained triaxial In-house method PWLTM 15.4(a) compression test with pore pressure measurement of loosely compacted fill Direct shear test (small shear box apparatus) GEOSPEC 3: 2001 Test 16.1 Direct shear test (large shear box apparatus) GEOSPEC 3: 2001 Test 16.2 Soil Total sulphate content GEOSPEC 3: 2001 Test 9.3 (chemical analysis) Water-soluble sulphate content GEOSPEC 3: 2001 Test 9.3 Organic matter content GEOSPEC 3 : 2001 Test 9.1 Loss-on-ignition GEOSPEC 3: 2001 Test 9.2 Water-soluble chloride content GEOSPEC 3: 2001 Test 9.4 pH value GEOSPEC 3: 2001 Test 9.5

Scope of Accreditation Registration No. HOKLAS 010 Page 23 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Central Laboratory 工務中央試驗所 Public Works Central Laboratory Building, 2B Cheung Yip Street, Kowloon Bay 九龍灣祥業街 2 號 B，工務中央試驗所大樓

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Pull-out resistance of geotextiles and EN 13738: 2004 with modifications (other) geotextile-related products by pull-out box in soil

Steel Elemental composition: - In-house method CHM 8.4 (chemical analysis) Carbon (Spark-OES) - Carbon steel and low alloy Sulphur

steel Phosphorus Nitrogen Copper Manganese Chromium Molybdenum Vanadium Nickel Nitrogen BS EN ISO 15351:2010 Carbon In-house method CHM 8.6 Sulphur (Carbon sulphur analyser) Carbon equivalent value In-house method CHM 8.4 (by calculation)

Scope of Accreditation Registration No. HOKLAS 010 Page 24 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Aggregates Clay, silt and dust content BS 812: Part 1: 1975 (Decantation method) Particle size distribution BS 812 : Section 103.1: 1985 + Amd. 6003 (Sieve analysis) CS3: 2013 Section 10 (Sieve analysis) Flakiness index BS 812: Section 105.1: 1989 CS3: 2013 Section 11 Elongation index BS 812: Section 105.2: 1990 CS3: 2013 Section 12 Particle density and water absorption CS3: 2013 Section 17 Moisture content CS3: 2013 Section 18 Relative density and water absorption BS 812: Part 2: 1975 (using wire mesh basket or pycnometer)

Scope of Accreditation Registration No. HOKLAS 010 Page 25 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Bituminous materials Determination of bitumen content of ASTM D6307-98 bituminous paving materials by ignition ASTM D6307-05 method Determination of polymer modified binder ASTM D2172-95 Method A & ASTM D6307-98 content of bituminous paving materials by ASTM D2172-95 Method A & ASTM D6307-05 the combination of both centrifuge and Appendix 9.2 of Contract Particular Specification ignition method issued by Highways Department Determination of mechanical size analysis ASTM D5444-98 with modifications of extracted aggregate Quantitative extraction of bitumen from ASTM D2172-95 Method A (By centrifuge extractor) bituminous paving mixtures Sieve analysis of fine and coarse aggregates ASTM C117-95 Procedure B with modifications and materials finer than 75 micron sieve in ASTM C136-96a with modifications mineral aggregates by washing Bulk specific gravity and density of ASTM D2726-96a

non-absorptive compacted bituminous mixtures Theoretical maximum specific gravity and ASTM D2041-95 with modifications (Weighing in density of bituminous paving mixtures water method) Percentage air voids in compacted dense ASTM D3203-94 bituminous paving mixtures

Scope of Accreditation Registration No. HOKLAS 010 Page 26 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術

Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 +Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 +Amd. 1201, 1202 & 1203 in the force range 50 kN - 2000 kN CS1: 2010 Section 12 (including cement grout cubes) Compressive strength of cores CS1: 2010 Section 15 in the force range 50 kN – 2000 kN Soil Determination of moisture content In-house method PWLTM No. SOL 2.18 (Phase I) by infrared oven drying Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Liquid limit, plastic limit, and plasticity index GEOSPEC 3 : 2001 Test 6.1 Liquidity index GEOSPEC 3: 2001 Test 6.2 Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (with dispersant) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant)

Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (without dispersant)

Scope of Accreditation Registration No. HOKLAS 010 Page 27 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Construction of a continuous particle size GEOSPEC 3: 2001 Test 8.7 (Phase I) distribution curve from the results of (cont’d) wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 28 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tai Po ) 工務區域試驗所(大埔) J/O Ting Kok Road and Nam Wan Road, Tai Po, New Territories. 新界大埔汀角路與南運路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 (Phase I) of soils containing particles which are not (cont’d) susceptible to crushing (using a CBR mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 of soils containing particles which are susceptible to crushing (using a CBR mould and 4.5 kg rammer) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.2 of soil by the sand replacement method suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4

Scope of Accreditation Registration No. HOKLAS 010 Page 29 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Aggregates Clay, silt and dust content BS 812: Part 1: 1975 (Decantation method) Particle size distribution BS 812: Section 103.1: 1985 +(Amd. 6003 (Sieve analysis) CS3: 2013 Section 10 (Sieve analysis) Flakiness index BS 812: Section 105.1: 1989 CS3: 2013 Section 11 Elongation index BS 812: Section 105.2: 1990 CS3: 2013 Section 12 Los Angeles value CS3: 2013 Section 14 Impact value CS3: 2013 Section 15 Ten per cent fines BS812: part 111:1990 CS3: 2013 Section 16 Particle density and water absorption CS3: 2013 Section 17 Moisture content CS3: 2013 Section 18 Soundness CS3: 2013 Section 19 Relative density and water absorption BS 812: Part 2: 1975 (using wire mesh basket or pycnometer)

Scope of Accreditation Registration No. HOKLAS 010 Page 30 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 + Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 + Amd. 1201, 1202 & 1203 in the force range 50 kN – 2000 kN CS1: 2010 Section 12 Compressive strength of cores CS1: 1990 Section 15 + Amd. 1101, 1201, 1202, 1203 in the force range 50 kN – 2000 kN & 1205 CS1: 2010 Section 15 Tensile splitting strength of cylindrical CS1: 1990 Section 13 + Amd. 1101, 1201, 1202 & 1204 specimens CS1: 2010 Section 13

Scope of Accreditation Registration No. HOKLAS 010 Page 31 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Determination of moisture content In-house method PWLTM No. SOL 2.18 (Phase I) by infrared oven drying Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Determination of liquid limit, plastic limit, GEOSPEC 3: 2001 Test 6.1 and plasticity index Determination of liquidity index GEOSPEC 3: 2001 Test 6.2 Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (with dispersant) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (without dispersant) Construction of a continuous particle size GEOSPEC 3: 2001 Test 8.7 distribution curve from the results of wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 32 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 (Phase I) of soils containing particles which are (cont’d) susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 of soils containing particles which are not susceptible to crushing (using a CBR mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 of soils containing particles which are susceptible to crushing (using a CBR mould and 4.5 kg rammer) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder)

Scope of Accreditation Registration No. HOKLAS 010 Page 33 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tin Shui Wai ) 工務區域試驗所(天水圍) Tin Ying Road, Ha Tsuen, Yuen Long, New Territories. 新界元朗廈村天影路

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.2 (Phase I) of soil by the sand replacement method (cont’d) suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4

Scope of Accreditation Registration No. HOKLAS 010 Page 34 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Aggregates Clay, silt and dust content BS 812: Part 1: 1975 (Decantation method) Particle size distribution BS 812: Section 103.1: 1985 + Amd. 6003 (Sieve analysis) CS3: 2013 Section 10 (Sieve analysis) Flakiness index BS 812: Section 105.1: 1989 CS3: 2013 Section 11 Elongation index BS 812: Section 105.2: 1990 CS3: 2013 Section 12 Ten per cent fines value BS 812: Part 111: 1990 CS3: 2013 Section 16 Particle density and water absorption CS3: 2013 Section 17 Moisture content CS3: 2013 Section 18 Relative density and water absorption BS 812: Part 2: 1975 (using wire mesh basket or pycnometer)

Scope of Accreditation Registration No. HOKLAS 010 Page 35 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Bituminous materials Determination of bitumen content of ASTM D6307-98 bituminous paving materials by ignition ASTM D6307-05 method Determination of polymer modified binder ASTM D2172-95 Method A & ASTM D6307-98 content of bituminous paving materials by ASTM D2172-95 Method A & ASTM D6307-05 the combination of both centrifuge and Appendix 9.2 of Contract Particular Specification ignition method issued by Highways Department Determination of mechanical size analysis ASTM D5444-98 with modifications of extracted aggregate Quantitative extraction of bitumen from ASTM D2172-95 Method A (By centrifuge extractor) bituminous paving mixtures Sieve analysis of fine and coarse aggregates ASTM C117-95 Procedure B with modifications and materials finer than 75 micron sieve in mineral aggregates by washing ASTM C136-96a with modifications Bulk specific gravity and density of ASTM D2726-96a

non-absorptive compacted bituminous mixtures Theoretical maximum specific gravity and ASTM D2041-95 with modifications (Weighing in density of bituminous paving mixtures water method) Percentage air voids in compacted dense ASTM D3203-94 bituminous paving mixtures

Scope of Accreditation Registration No. HOKLAS 010 Page 36 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術

Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 + Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 + Amd. 1201, 1202 & 1203 in the force range 50 kN - 2000 kN CS1: 2010 Section 12 (including cement grout cubes) Compressive strength of cores CS1: 1990 Section 15 + Amd. 1101, 1201, 1202, 1203 in the force range 50 kN - 2000 kN & 1205 CS1: 2010 Section 15 Soil Determination of moisture content In-house method PWLTM No. SOL 2.18 (Phase I) by infrared oven drying Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Liquid limit, plastic limit, and plasticity index GEOSPEC 3 : 2001 Test 6.1 Liquidity index GEOSPEC 3: 2001 Test 6.2 Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (with dispersant) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant)

Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant)

Scope of Accreditation Registration No. HOKLAS 010 Page 37 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (Phase I) (without dispersant) (cont’d) Construction of a continuous particle size GEOSPEC 3: 2001 Test 8.7 distribution curve from the results of wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 38 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Tsuen Wan ) 工務區域試驗所(荃灣) 2 Container Port Road South, Kwai Chung, New Territories. 新界葵涌貨櫃碼頭南路二號

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 (Phase I) of soils containing particles which are not (cont’d) susceptible to crushing (using a CBR mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 of soils containing particles which are susceptible to crushing (using a CBR mould and 4.5 kg rammer) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder) In-situ bulk density and in-situ dry density GEOSPEC 3: 2001 Test 11.2 of soil by the sand replacement method suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4

Scope of Accreditation Registration No. HOKLAS 010 Page 39 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Aggregates Clay, silt and dust content BS 812: Part 1: 1975 (Decantation method) Particle size distribution BS 812: Section 103.1: 1985 + Amd. 6003 (Sieve analysis) CS3: 2013 Section 10 (Sieve analysis) Flakiness index BS 812: Section 105.1: 1989 CS3: 2013 Section 11 Elongation index BS 812: Section 105.2: 1990 CS3: 2013 Section 12 Ten per cent fines value BS 812: Part 111: 1990 CS3: 2013 Section 16 Particle density and water absorption CS3: 2013 Section 17 Moisture content CS3: 2013 Section 18 Soundness CS3: 2013 Section 19 Relative density and water absorption BS 812: Part 2: 1975 (using wire mesh basket or pycnometer)

Scope of Accreditation Registration No. HOKLAS 010 Page 40 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Bituminous materials Determination of bitumen content of ASTM D6307-98 bituminous paving materials by ignition ASTM D6307-05 method Determination of polymer modified binder ASTM D2172-95 Method A & ASTM D6307-98 content of bituminous paving materials by ASTM D2172-95 Method A & ASTM D6307-05 the combination of both centrifuge and Appendix 9.2 of Contract Particular Specification ignition method issued by Highways Department Determination of mechanical size analysis ASTM D5444-98 with modifications of extracted aggregate Quantitative extraction of bitumen from ASTM D2172-95 Method A (By centrifuge extractor) bituminous paving mixtures Sieve analysis of fine and coarse aggregates ASTM C117-95 Procedure B with modifications and materials finer than 75 micron sieve in ASTM C136-96a with modifications mineral aggregates by washing Bulk specific gravity and density of ASTM D2726-96a non-absorptive compacted bituminous mixtures Theoretical maximum specific gravity and ASTM D2041-95 with modifications (weighing in density of bituminous paving mixtures water method) Percentage air voids in compacted dense ASTM D3203-94 bituminous paving mixtures

Scope of Accreditation Registration No. HOKLAS 010 Page 41 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 + Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 + Amd. 1201, 1202 & 1203 in the force range 50 kN - 2000 kN CS1: 2010 Section 12 Soil Determination of moisture content In-house method PWLTM No. SOL 2.18 (Phase I) by infrared oven drying Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Determination of liquid limit, plastic limit, GEOSPEC 3: 2001 Test 6.1 and plasticity index Determination of liquidity index GEOSPEC 3: 2001 Test 6.2 Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (with dispersant) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (without dispersant)

Scope of Accreditation Registration No. HOKLAS 010 Page 42 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Construction of a continuous particle size GEOSPEC 3: 2001 Test 8.7 (Phase I) distribution curve from the results of (cont’d) wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 43 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( North Lantau ) 工務區域試驗所(北大嶼山) J/O Hei Tung Street and Man Tung Road, Tung Chung, Lantau, New Territories. 新界大嶼山東涌喜東街與文東路交匯處

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 (Phase I) of soils containing particles which are not (cont’d) susceptible to crushing (using a CBR mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 of soils containing particles which are susceptible to crushing (using a CBR mould and 4.5 kg rammer) In situ bulk density and in situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder) In situ bulk density and in situ dry density GEOSPEC 3: 2001 Test 11.2 of soil by the sand replacement method suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4

Scope of Accreditation Registration No. HOKLAS 010 Page 44 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Kowloon ) 工務區域試驗所(九龍) Lok Wah Street, Tsz Wan Shan, Kowloon 九龍慈雲山樂華街

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Aggregates Clay, silt and dust content BS 812: Part 1: 1975 (Decantation method) Particle size distribution BS 812: Section 103.1: 1985 + Amd. 6003 (Sieve analysis) CS3: 2013 Section 10 (Sieve analysis) Flakiness index BS 812: Section 105.1: 1989 CS3: 2013 Section 11 Elongation index BS 812: Section 105.2: 1990 CS3: 2013 Section 12 Moisture content CS3: 2013 Section 18 Bituminous materials Quantitative extraction of bitumen from ASTM D2172-95 Method A (By centrifuge extractor) bituminous paving mixtures Sieve analysis of fine and coarse aggregates ASTM C117-95 Procedure B with modifications and materials finer than 75 micron sieve in ASTM C136-96a with modifications mineral aggregates by washing Bulk specific gravity and density of ASTM D2726-96a non-absorptive compacted bituminous mixtures Theoretical maximum specific gravity and ASTM D2041-95 with modifications (Weighing in density of bituminous paving mixtures water method) Percentage air voids in compacted dense ASTM D3203-94 bituminous paving mixtures Determination of bitumen content of bituminous ASTM D6307-98 paving materials by ignition method ASTM D6307-05 Determination of polymer modified binder ASTM D2172-95 Method A & ASTM D6307-98 content of bituminous paving materials by the ASTM D2172-95 Method A & ASTM D6307-05 combination of both centrifuge and ignition Appendix 9.2 of Contract Particular Specification issued method by Highways Department Determination of mechanical size analysis of ASTM D5444-98 with modifications extracted aggregate

Scope of Accreditation Registration No. HOKLAS 010 Page 45 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Kowloon ) 工務區域試驗所(九龍) Lok Wah Street, Tsz Wan Shan, Kowloon 九龍慈雲山樂華街

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Concrete Curing of test specimens CS1: 1990 Section 10 + Amd. 1101 (Tropical zone temperature) CS1: 2010 Section 10 Density of hardened concrete CS1: 1990 Section 16 + Amd. 1201, 1202 & 1203 CS1: 2010 Section 16 Compressive strength of cubes CS1: 1990 Section 12 + Amd. 1201, 1202 & 1203 in the force range 50 kN - 2000 kN CS1: 2010 Section 12 Soil Determination of moisture content In-house method PWLTM No. SOL 2.18 (Phase I) by infrared oven drying Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.1 at 45°C±5°C Moisture content by oven-drying GEOSPEC 3: 2001 Test 5.2 at 105°C±5°C Comparative test for the determination of GEOSPEC 3: 2001 Test 5.3 moisture content by oven-drying Liquid limit, plastic limit, and plasticity index GEOSPEC 3: 2001 Test 6.1 Liquidity index GEOSPEC 3: 2001 Test 6.2

Scope of Accreditation Registration No. HOKLAS 010 Page 46 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Kowloon ) 工務區域試驗所(九龍) Lok Wah Street, Tsz Wan Shan, Kowloon 九龍慈雲山樂華街

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.1 (Phase I) (with dispersant) (cont’d) Particle size distribution by wet sieving GEOSPEC 3: 2001 Test 8.2 (without dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.5 (with dispersant) Particle size distribution by hydrometer GEOSPEC 3: 2001 Test 8.6 (without dispersant) Construction of a continuous particle size GEOSPEC 3 : 2001 Test 8.7 distribution curve from the results of wet-sieving and sedimentation tests Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.1 of soils containing particles which are not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.2 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.3 of soils containing particles which are not susceptible to crushing (using a CBR mould and 2.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.4 of soils containing particles which are susceptible to crushing (using a CBR mould and 2.5 kg rammer)

Scope of Accreditation Registration No. HOKLAS 010 Page 47 of 47 Issue Date: 18 July 2018 Ref: HOKLAS010-180

Civil Engineering and Development Department - Public Works Laboratories 土木工程拓展署 - 工務試驗所

010 TEST CAL

Public Works Regional Laboratory ( Kowloon ) 工務區域試驗所(九龍) Lok Wah Street, Tsz Wan Shan, Kowloon 九龍慈雲山樂華街

Construction Materials 建築材料

ITEM TESTED OR MEASURED 測試或量度項目

SPECIFIC TEST OR PROPERTY MEASURED 特定測試或量度的特性

SPECIFICATION, STANDARD METHOD OR TECHNIQUE USED

規範、標準方法或應用技術 Soil Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.5 (Phase I) of soils containing particles which are not (cont’d) susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.6 of soils containing particles which are susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.7 of soils containing particles which are not susceptible to crushing (using a CBR mould and 4.5 kg rammer) Dry density/moisture content relationship GEOSPEC 3: 2001 Test 10.8 of soils containing particles which are susceptible to crushing (using a CBR mould and 4.5 kg rammer) In situ bulk density and in situ dry density GEOSPEC 3: 2001 Test 11.1 of soil by the sand replacement method suitable for fine- and medium-grained soils (with small pouring cylinder) In situ bulk density and in situ dry density GEOSPEC 3: 2001 Test 11.2 of soil by the sand replacement method suitable for fine-, medium-, and coarse-grained soils (with large pouring cylinder) Relative compaction of fill material GEOSPEC 3: 2001 Test 11.4 Summary of Voluntary Suspension .vs1. denotes test being voluntarily suspended with effect from 31 August 2017 (Notification Letter No. HOKLAS010-173).