Public Works Laboratories Geotechnical Engineering Office, Hong Kong

For laboratory use only

Collection Request No. (CRN)

Test Request No. (TRN)

TESTING REQUEST FOR AGGREGATES

Account No. (if available) Customer Test Request Ref. No.

(Please provide the following project information if account no. is not available)

Customer (Works Dept/Office) Contract No. Contract

Title

Job No.

Work/Site Location

Test requested (Select appropriate box) Description of test PWLTM No. Remarks

BS812:Sect.103.1:1985 (1) Determination of particle size distribution of aggregate by sieve

analysis AGG 1.1

BS812:Part 1:1975:Section 7.2 Determination of clay, slit & dust content in fine or coarse aggregate

by decantation AGG 1.4

BS812:Section 105.1:1989 Determination of aggregate particle shape (flakiness index) AGG 1.5

BS812:Section 105.2:1990 Determination of aggregate particle shape (elongation index) AGG 1.6

BS812:Part 2:1975/1995*:Section 5.3 Determination of relative densities & water absorption of aggregate

with normal size larger than 10mm using a wire mesh basket

AGG

2.1(a)/2.4(a)*

BS812:Part 2:1975/1995*:Section 5.5 Determination of relative densities & water absorption of aggregate

with normal size not larger than 10mm using a Pyknometer

AGG

2.1(b) /2.4(b)*

Appendix 5.2 of GS for Civil Engineering Works 1992 and 2006

Determination of the compaction faction value of aggregate for granular

bed AGG 2.3

BS812:Part 112:1990 Determination of aggregate impact value ( dry / soaked) AGG 3.1

BS812:Part 111:1990 Determination of aggregate ten per cent fines value ( dry /

soaked; standard size / non-standard size greater than

standard) AGG 3.3

ASTM C131-96 and C535-96 with modification

Resistance to degradation of coarse aggregate by abrasion and

impact in the Los Angeles Machine AGG 3.6

BS812:Part 121:1989 Determination of aggregate soundness value AGG 3.7

Section 22, CS1:2010 Determination of alkali silica reaction potential by ultra-accelerated

mortar bar test AGG 6.1

Other (please specify)

Sample details :-

Name and address of the batching plant :

Name and address of the Quarry :

Samples taken by : Date samples taken :

Type of material Customer sample No. Sample mass Remarks

Other information/requirement:- Please indicate whether the sample was obtained in accordance with BS812/ASTM/BS812 & ASTM* Yes / No / Uncertain

Certificate of sampling available: Yes / No Notes :- (1) Please state whether the sieves recommended in BS812:Sect.103.1:1985 are to be used in the test (if not, please specify). (2) To be completed by a project works supervisor grade officer or above. (3) To be completed by a project inspectorate grade officer or above (or his delegate).

* Delete as appropriate.

Sample(s) delivery supervised by (2) :- Test(s) requested by (3) :-

Signature : Signature :

Name : Name :

Post/Affiliation : Post/Affiliation :

Tel./Fax No. : Tel./Fax No. :

Date : Date : Fill in the box below the name, mailing and e-mail address to which the test report(s) should be sent or else mark “To be collected” if the customer requests to collect the report(s) from the laboratory in person.

C Eng D (GEO) 2113 Oct 2013

Preliminary results

Fax No.