Dear Colleagues,
PT provider UCLSB invites you to take part in Interlaboratory Technical Project MC 01/2023. Test subjects will be: Asphalt /bitouminous/ mixtures, according to the pointed standards and parameters (characteristics) in the following table:
| Test subject | Code of the standard | Name of the standard | Tested parameters (characteristics) |
|---|---|---|---|
| Asphalt /bitouminous/ mixtures | EN 12697-6, Procedure В (clause.9.3) | Bituminous mixtures - Test methods for hot mix asphalt - Part 6: Determination of bulk density of bituminous specimens | Bulk density /ua/ |
| EN 12697-5, Procedure А (clause.9.2) | Bituminous mixtures - Test methods for hot mix asphalt - Part 5: Determination of the maximum density | Maximum density /ua/ | |
| EN 12697-8, clause 4 | Bituminous mixtures - Test methods for hot mix asphalt - Part 8: Determination of void characteristics of bituminous specimens | Air voids content /ua/ | |
| EN 12697-34 | Bituminous mixtures - Test methods for hot mix asphalt - Part 34: Marshall test | Stability /ua/ | |
| EN 12697-34 | Bituminous mixtures - Test methods for hot mix asphalt - Part 34: Marshall test | Flow /ua/ | |
| EN 12697-1 | Bituminous mixtures - Test methods for hot mix asphalt - Part 1: Soluble binder content | Soluble binder content /ua/ | |
| EN 12697-2 | Bituminous mixtures - Test methods - Part 2: Determination of particle size distribution | Particle size distribution /ua/ |
/ua/ - under accreditation, within the scope of accreditation of the PT provider; /oa/ - out of the scope of accreditation of the PT provider
- “Invitation for participation”
- “Application form”
- "Detailed plan for proficiency testing"
Additional information regarding Interlaboratory Technical Project (ITP) MC 01/2023.
Deadline for accepting applications for participation: 15.04.2023;
• Payment deadline: 30.04.2023;
• Sending the samples to the participants: by 10.05.2023 at the latest;
• Conducting the tests: 12.06-15.06.2023.
• Preparation of the final report: no later than 25.07.2023;
Detailed information will be given in the instruction for conducting the interlaboratory comparison and proficiency test QF 4.4-5. You will be informed about all other changes that may be imposed during the course of MC 01/2023 by e-mail.
Please, in case you have any questions, do not hesitate to contact us via e-mails sslsb@abv.bg or sslsb@yahoo.com!
* The date indicated as the start of the respective project is also the date from which the acceptance of participation requests begins.
** Requests for the relevant project, in English and Bulgarian, can be found in the "PT schemes" section of our website: http://www.ptprovider.sslsb.org/
*** The due date of the relevant project means that this is the deadline for the preparation of the report, unless otherwise stated in the instruction (QF 4.4-5).
Note: All participants will receive further instructions for the process of implementing the relevant PT scheme. The minimum number of participants for a parameter to be included in the relevant PT scheme is 5.