🇵🇱 GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD PL
Construction
GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD is a laboratory accredited by PCA under number AB 1522 (Łódź, Poland). Its accreditation scope covers 25 test methods in the following areas: Construction. Test objects include: Concrete, Bituminous mixtures, Road pavements, Aggregates. Most frequently used techniques: Driven cylinder method, Method: A, Method: B, D.
At a glance
- Accreditation number: PCA AB 1522
- Methods in scope: 25
- Types of test objects: 8
- Techniques used: 9
- City: Łódź, Poland
- Accreditation number
- AB 1522
- Accreditation body
- PCA
- Address
- ODDZIAŁ W ŁODZI, WYDZIAŁ TECHNOLOGII I JAKOŚCI BUDOWY DRÓG, – LABORATORIUM DROGOWE, ul. Irysowa 2, 91-857 Łódź
- City
- Łódź, Poland
What this laboratory tests (8)
- Concrete — 6 methods
- Bituminous mixtures — 5 methods
- Road pavements — 5 methods
- Aggregates — 3 methods
- Ground — 3 methods
- Bituminous mixtures, Road surfaces — 1 method
- Fresh concrete — 1 method
- Growing medium — 1 method
Analytical techniques used (9)
- Driven cylinder method — 1 method
- Method: A — 1 method
- Method: B, D — 1 method
- Method: Los Angeles — 1 method
- Method: ordinary — 1 method
- Method: Proctor (I) — 1 method
- Method: spot measurement with an SRT-3 device — 1 method
- Method: VSS plate load test — 1 method
- Profilometric method inertial-type device – laser profilograph — 1 method
Laboratory locations
- GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD (main site) — ul. Irysowa 2, 91-857 Łódź
- ŁÓDŹ BRANCH — ul. Irysowa 2
- Road Construction Technology and Quality Division - Road Laboratory
Certificate information
- Issue date
- 17.06.2026
- Issue no.
- 14
Accreditation scope — test methods (25)
| 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.1.7 | ||
| 2 | Bituminous mixtures | Density in water Range (2,300 - 2,850) Mg/m3 |
Method: A | PN-EN 12697-5:2019-01 | |
| 3 | Bituminous mixtures | Bulk density Range (2,100 - 2,850) Mg/m3 |
Method: B, D | PN-EN 12697-6:2020-07 | |
| 4 | Bituminous mixtures | Grading Range (0 - 31,5) mm |
PN-EN 12697-2:2025-06 | PN-EN 933-1:2012 | ||
| 5 | Bituminous mixtures | Sampling | PN-EN 12697-27:2017-07 cl. 4.1, 4.3, 4.7 | ||
| 6 | Bituminous mixtures, Road surfaces | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 7 | Road pavements | Thickness Range up to 500 mm |
PN-EN 12697-36:2022-09 cl. 6.1 | ||
| 8 | Road pavements | Degree of compaction index (calculated) | PN-EN 13108-20:2016-07 cl. C4 | ||
| 9 | Road pavements | Friction coefficient Range (0,1 - 0,9) |
Method: spot measurement with an 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 surface characteristics of carriageway pavements and other road parts, version 01 of 18.07.2022, cl. 4.1 | |
| 10 | Road pavements | Longitudinal profiles (evenness) Range (0 - 20) cm International Roughness Index IRI (calculated) |
Profilometric method inertial-type device – laser profilograph | PN-EN 13036-6:2008; Announcement of the Minister of Infrastructure and Construction of 23.12.2015 (Journal of Laws of 2016, item 124) | ASTM E 1926-08 | Regulation of the Minister of Infrastructure of 16.01.2002 (Journal of Laws No. 12 item 116 of 2002) | ASTM E 1926-08 | |
| 11 | Road pavements | Sampling | PN-EN 12697-27:2017-07 cl. 4.7 | ||
| 12 | Concrete | Compressive strength Force range (100 - 3000) kN |
PN-EN 12390-3:2019-07 | ||
| 13 | Concrete | Flexural strength Force range (10 - 150) kN |
PN-EN 12390-5:2019-08 | ||
| 14 | Concrete | Splitting tensile strength Range (100 - 1500) kN |
PN-EN 12390-6:2024-04 | ||
| 15 | Concrete | Water absorption | PN-88/B-06250 | ||
| 16 | Concrete | Depth of penetration of water under pressure | PN-EN 12390-8:2019-08 | ||
| 17 | Concrete | Resistance to freezing | Method: ordinary | PN-88/B-06250 cl. 6.5.1 | PN-B-06265:2022-08 Annex N | |
| 18 | Fresh concrete | Sampling | PN-EN 12350-1:2019-07 | ||
| 19 | Ground | Optimum moisture content Range (3 - 40) % Maximum dry density of soil Range (1,2 - 2,5) g/cm3 |
Method: Proctor (I) | PN-88/B-04481 cl. 8 | |
| 20 | Ground | Degree of compaction index (ls) | Driven cylinder method | BN-77/8931-12 cl. 4 | |
| 21 | Ground | Sand equivalent value | PN-EN 933-8:2012 Annex A | ||
| 22 | Growing medium | Deformation modulus Load range (0,01 - 0,35) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 23 | Aggregates | Particle size distribution Range (0 - 31,5) mm |
PN-EN 933-1:2012 | ||
| 24 | Aggregates | Resistance to fragmentation | Method: Los Angeles | PN-EN 1097-2:2020-09 | |
| 25 | Aggregates | Sampling | PN-EN 932-1:1999 cl. 8.8 | ||
Reference standards (28)
ASTM E 1926-08
BN-77/8931-12 cl. 4
PN-88/B-04481 cl. 8
PN-88/B-06250
PN-88/B-06250 cl. 6.5.1
PN-B-06265:2022-08 Annex N
PN-EN 1097-2:2020-09
PN-EN 12350-1:2019-07
PN-EN 12390-3:2019-07
PN-EN 12390-5:2019-08
PN-EN 12390-6:2024-04
PN-EN 12390-8:2019-08
PN-EN 12697-1:2020-08 cl. B.1.7
PN-EN 12697-27:2017-07 cl. 4.1, 4.3, 4.7
PN-EN 12697-27:2017-07 cl. 4.7
PN-EN 12697-2:2025-06
PN-EN 12697-36:2022-09 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 13036-6:2008; Announcement of the Minister of Infrastructure and Construction of 23.12.2015 (Journal of Laws of 2016, item 124)
PN-EN 13108-20:2016-07 cl. C4
PN-EN 932-1:1999 cl. 8.8
PN-EN 933-1:2012
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 surface characteristics of carriageway pavements and other road parts, version 01 of 18.07.2022, cl. 4.1
Regulation of the Minister of Infrastructure of 16.01.2002 (Journal of Laws No. 12 item 116 of 2002)