🇵🇱 GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD PL
ConstructionWater & wastewater
GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD is a laboratory accredited by PCA under number AB 1538 (Kąty Wrocławskie, Poland). Its accreditation scope covers 33 test methods in the following areas: Construction, Water & wastewater. Test objects include: Bituminous mixtures, Road pavements, Aggregates, Ground. Most frequently used techniques: Method: dry, Leutner method, Los Angeles method.
At a glance
- Accreditation number: PCA AB 1538
- Methods in scope: 33
- Types of test objects: 10
- Techniques used: 13
- City: Kąty Wrocławskie, Poland
- Accreditation number
- AB 1538
- Accreditation body
- PCA
- Address
- ODDZIAŁ WE WROCŁAWIU, ul. Powstańców Śląskich 186, 53-139 Wrocław, WYDZIAŁ TECHNOLOGII I JAKOŚCI BUDOWY DRÓG, – LABORATORIUM DROGOWE, ul. Drogowców 2, Mokronos Dolny; 55-080 Kąty Wrocławskie
- City
- Kąty Wrocławskie, Poland
What this laboratory tests (10)
- Bituminous mixtures — 8 methods
- Road pavements — 6 methods
- Aggregates — 4 methods
- Ground — 4 methods
- Concrete — 3 methods
- Concrete paving blocks — 2 methods
- Growing medium — 2 methods
- Road markings — 2 methods
- Pavement structural layers — 1 method
- Road salt — 1 method
Analytical techniques used (13)
- Method: dry — 2 methods
- Leutner method — 1 method
- Los Angeles method — 1 method
- Method: A — 1 method
- Method: B — 1 method
- Method: dynamic plate load test, 10 kg — 1 method
- Method: Proctor (I, II) — 1 method
- Method: profilometric inertial-type device – laser profilograph — 1 method
- Method: SRT-3 device — 1 method
- Method: VSS plate load test — 1 method
- Method: wheel tracking by method B (in air), small device — 1 method
- Oxidation method — 1 method
- VSS plate loading method — 1 method
Laboratory locations
- GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD (main site) — ul. Powstańców Śląskich 186, 53-139 Wrocław
- WROCŁAW BRANCH — ul. Powstańców Śląskich 186, 53-139 Wrocław
- Road Construction Technology and Quality Division – Road Laboratory
Certificate information
- Issue date
- 13.10.2026
- Issue no.
- 16
Accreditation scope — test methods (33)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Road Construction Technology and Quality Division – Road Laboratory | |||||
| 1 | Bituminous mixtures | Soluble binder content Range (2 - 10) % |
PN-EN 12697-1:2020-08 cl. B.1.2, cl. B.1.7 | ||
| 2 | Bituminous mixtures | Density in water Range (2,100 - 3,000) Mg/m3 |
Method: A | PN-EN 12697-5:2019-01 | |
| 3 | Bituminous mixtures | Bulk density Range (2,100 - 3,000) Mg/m3 |
Method: B | PN-EN 12697-6:2020-07 | |
| 4 | Bituminous mixtures | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 5 | Bituminous mixtures | Particle size distribution Range (0 - 31,5) mm |
PN-EN 12697-2:2025-06 | PN-EN 933-1:2012 | ||
| 6 | Bituminous mixtures | Susceptibility to deformation under load Range (0 – 20) mm |
Method: wheel tracking by method B (in air), small device | PN-EN 12697-22+A1:2024-05 | |
| 7 | Bituminous mixtures | Hardness (penetration) on cube samples | PN-EN 12697-20:2020-07 | ||
| 8 | Bituminous mixtures | Sampling | PN-EN 12697-27:2017-07 cl. 4.1, 4.3, cl. 4.7 | ||
| 9 | Road pavements | Thickness Range up to 500 mm |
PN-EN 12697-36:2022 cl. 6.1 | ||
| 10 | Road pavements | Interlayer bond of asphalt layers Range (0 – 50) kN |
Leutner method | Instruction for laboratory testing of interlayer bond of asphalt layers according to the Leutner method and technical requirements for interlayer bond, published by Gdańsk University of Technology, 31.08.2014 | |
| 11 | Road pavements | Longitudinal profiles (evenness) Range (0 - 20) cm International Roughness Index IRI (calculated) |
Method: profilometric inertial-type device – laser profilograph | PN-EN 13036-6:2008 | Regulation of the Minister of Infrastructure of 01.08.2019 (Journal of Laws 2019 item 1643) | PN-EN 13036-5:2020-01 cl. 6; WR-D-64 Guidelines for determining the surface characteristics of carriageway pavements and other parts of roads, version 01 of 18.07.2022 | |
| 12 | Road pavements | Friction coefficient Range (0,1 – 0,9) Direct measurement |
Method: SRT-3 device | Regulation of the Minister of Infrastructure of 01.08.2019 (Journal of Laws 2019, item 1643); WR-D-64 Guidelines for determining the surface characteristics of carriageway pavements and other parts of roads, version 01 of 18.07.2022 | |
| 13 | Road pavements | Degree of compaction index (calculated) | PN-EN 13108-20:2016-07 cl. C.4 | ||
| 14 | Road pavements | Sampling | PN-EN 12697-27:2017-07 cl. 4.7 | ||
| 15 | Concrete | Compressive strength Force range (150 - 2800) kN |
PN-EN 12390-3:2019-07 | ||
| 16 | Concrete | Water absorption | PN-88/B-06250 | ||
| 17 | Concrete | Depth of penetration of water under pressure | PN-EN 12390-8:2019-08 | ||
| 18 | Concrete paving blocks | Water absorption | PN-EN 1338:2005 Annex E | PN-EN 1338:2005/AC:2007 | ||
| 19 | Concrete paving blocks | Splitting tensile strength Force range (10 – 300) kN |
PN-EN 1338:2005 Annex F | PN-EN 1338:2005/AC:2007 | ||
| 20 | Growing medium | Deformation modulus Load range (0,01 - 0,35) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 21 | Growing medium | Dynamic deformation modulus Range (15 - 70) MN/m2 |
Method: dynamic plate load test, 10 kg | Catalogue of Reconstruction and Repair of Flexible and Semi-Rigid Pavements KPRNPP – 2013, GDDKiA, IBDiM, Annex B4 | |
| 22 | Pavement structural layers | Deformation modulus Load range (0,02 – 0,45) MPa |
VSS plate loading method | PN-S-02205:1998 Annex B | Instruction on the subsoil of road and bridge structures, part 2, annex, published by the General Directorate of Public Roads, 1998 | |
| 23 | Ground | Optimum moisture content, Maximum dry density of the soil skeleton | Method: Proctor (I, II) | PN-B-04481:1988 cl. 8 | |
| 24 | Ground | Natural moisture content | PN-88/B-04481 cl. 5.1 | ||
| 25 | Ground | Organic matter content | Oxidation method | PN-88/B-04481 cl. 4.4.4.1 | |
| 26 | Ground | Sand equivalent value | PN-EN 933-8:2012 Annex A | ||
| 27 | Road salt | Water content | PN-C-84081-20:1980 | ||
| 28 | Aggregates | Particle size distribution Range (0 - 31,5) mm |
PN-EN 933-1:2012 | ||
| 29 | Aggregates | Resistance to fragmentation | Los Angeles method | PN-EN 1097-2:2020-09 cl. 5 | |
| 30 | Aggregates | Shape index Range (4 – 63) mm |
PN-EN 933-4:2008 | ||
| 31 | Aggregates | Sampling | PN-EN 932-1:1999 cl. 8.8 | ||
| 32 | Road markings | Luminance coefficient Qd Range (1 - 318) mcd m-2 lx-1 |
Method: dry | PN-EN 1436:2018-02 Annex A | |
| 33 | Road markings | Coefficient of retroreflected luminance RL Range (1 - 2000) mcd m-2 lx-1 |
Method: dry | PN-EN 1436:2018-02 Annex B | |
Reference standards (36)
Instruction for laboratory testing of interlayer bond of asphalt layers according to the Leutner method and technical requirements for interlayer bond, published by Gdańsk University of Technology, 31.08.2014
Instruction on the subsoil of road and bridge structures, part 2, annex, published by the General Directorate of Public Roads, 1998
Catalogue of Reconstruction and Repair of Flexible and Semi-Rigid Pavements KPRNPP – 2013, GDDKiA, IBDiM, Annex B4
PN-88/B-04481 cl. 4.4.4.1
PN-88/B-04481 cl. 5.1
PN-88/B-06250
PN-B-04481:1988 cl. 8
PN-C-84081-20:1980
PN-EN 1097-2:2020-09 cl. 5
PN-EN 12390-3:2019-07
PN-EN 12390-8:2019-08
PN-EN 12697-1:2020-08 cl. B.1.2, cl. B.1.7
PN-EN 12697-20:2020-07
PN-EN 12697-22+A1:2024-05
PN-EN 12697-27:2017-07 cl. 4.1, 4.3, cl. 4.7
PN-EN 12697-27:2017-07 cl. 4.7
PN-EN 12697-2:2025-06
PN-EN 12697-36:2022 cl. 6.1
PN-EN 12697-5:2019-01
PN-EN 12697-6:2020-07
PN-EN 12697-8:2019-01 cl. 4
PN-EN 13036-5:2020-01 cl. 6; WR-D-64 Guidelines for determining the surface characteristics of carriageway pavements and other parts of roads, version 01 of 18.07.2022
PN-EN 13036-6:2008
PN-EN 13108-20:2016-07 cl. C.4
PN-EN 1338:2005 Annex E
PN-EN 1338:2005 Annex F
PN-EN 1338:2005/AC:2007
PN-EN 1436:2018-02 Annex A
PN-EN 1436:2018-02 Annex B
PN-EN 932-1:1999 cl. 8.8
PN-EN 933-1:2012
PN-EN 933-4:2008
PN-EN 933-8:2012 Annex A
PN-S-02205:1998 Annex B
Regulation of the Minister of Infrastructure of 01.08.2019 (Journal of Laws 2019, item 1643); WR-D-64 Guidelines for determining the surface characteristics of carriageway pavements and other parts of roads, version 01 of 18.07.2022
Regulation of the Minister of Infrastructure of 01.08.2019 (Journal of Laws 2019 item 1643)