| Test subject | Code of the standard | Name of the standard | Tested parameters | * Beginning of the project | ** Acceptance of applications till | *** End of the project |
|---|---|---|---|---|---|---|
| Aggregates (coarse-grained) | EN 1097-2:2010 | Tests for mechanical and physical properties of aggregates – Part 2: Methods for the determination of resistance to fragmentation. | Resistance to fragmentation (method Los Angelos) /ua/ | 01.01.2016 | 29.02.2016 | 30.06.2016 |
| EN 933-3:2012 | Tests for geometrical properties of aggregates – Part 3: Determination of particle shape – Flakiness index. | Flakiness index /ua/ | ||||
| EN 933-4:2008 | Tests for geometrical properties of aggregates – Part 4: Determination of particle shape – Shape index. | Shape index /ua/ | ||||
| EN 1097-3:1998 | Tests for mechanical and physical properties of aggregates – Part 3: Determination of loose bulk density and voids. | Loose bulk density /ua/ | ||||
| Soils | AASHTO T 89-13 | Standard Method of Test for Determining the Liquid Limit of Soils | Liquid Limit /ua/ | |||
| AASHTO T 90-15 | Standard Method of Test for Determining the Plastic Limit and Plasticity Index of Soils | Plastic Limit /ua/ | ||||
| EN 933-8:2012+A1:2015 | Tests for geometrical properties of aggregates – Part 8: Assessment of fines – Sand equivalent test. | Sand equivalent test /ua/ | ||||
| EN 1744-1:2009+A1:2012, clause 7 | Tests for chemical properties of aggregates – Part 1: Chemical analysis. | Chlorides content /oa/ | ||||
| EN 1744-1:2009+A1:2012, clause 12 | Tests for chemical properties of aggregates – Part 1: Chemical analysis. | Sulfates content /oa/ |
- “Invitation for participation” (QF 4.4-3) in МС 01/2016; (closed)
- “Application form” (QF 4.4-4) for МС 01/2016; (closed)
Legend:
* The date which is pointed as a beginning of the relevant project is the date when acceptance of the applications starts.
** Application forms for the relevant project in English and Bulgarian may be found in the “ILC” section on our webpage: http://www.ptprovider.sslsb.org/
*** The end of the relevant project means that this is the deadline for the report to be prepared in case nothing else is stated in the instruction form QF 4.4-5.
/ua/ Under accredtitation (covered by the scope of accreditation)
/оа/ Out of accreditation (not covered by the scope of accreditation)
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.