🇵🇱 GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD PL
ConstructionWater & wastewater
GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD is a laboratory accredited by PCA under number AB 1532 (Bydgoszcz, Poland). Its accreditation scope covers 41 test methods in the following areas: Construction, Water & wastewater. Test objects include: Bituminous mixtures, Aggregates, Road pavements, Ground. Most frequently used techniques: Method: dry, Method: VSS plate load test, Leutner method.
At a glance
- Accreditation number: PCA AB 1532
- Methods in scope: 41
- Types of test objects: 11
- Techniques used: 15
- City: Bydgoszcz, Poland
- Accreditation number
- AB 1532
- Accreditation body
- PCA
- Address
- Oddział w Bydgoszczy, ul. Fordońska 6; 85-085 Bydgoszcz, WYDZIAŁ TECHNOLOGII I JAKOŚCI BUDOWY DRÓG, – LABORATORIUM DROGOWE
- City
- Bydgoszcz, Poland
What this laboratory tests (11)
- Bituminous mixtures — 8 methods
- Aggregates — 7 methods
- Road pavements — 6 methods
- Ground — 5 methods
- Concrete — 4 methods
- Fresh concrete — 4 methods
- Concrete paving blocks — 2 methods
- Road markings — 2 methods
- Growing medium — 1 method
- Other chemical product – road salt — 1 method
- Pavement structural layers — 1 method
Analytical techniques used (15)
- Method: dry — 2 methods
- Method: VSS plate load test — 2 methods
- Leutner method — 1 method
- Method: A — 1 method
- Method: A, B, D — 1 method
- Method: Los Angeles — 1 method
- Method: pressure gauge — 1 method
- Method: Proctor (I, II) — 1 method
- Method: profilometric, inertial-type device – laser profilograph — 1 method
- Method: Schultz calliper — 1 method
- Method: slump — 1 method
- Method: volumetric-gravimetric — 1 method
- Method: wheel tracking, method B (in air), small-size device — 1 method
- Ordinary method — 1 method
- Pycnometric method — 1 method
Laboratory locations
- GENERALNA DYREKCJA DRÓG KRAJOWYCH I AUTOSTRAD (main site) — ul. Fordońska 6, 85-085 Bydgoszcz
- Bydgoszcz Branch — ul. Fordońska 6, 85-085 Bydgoszcz
- Road Construction Technology and Quality Division – Road Laboratory
Certificate information
- Issue date
- 19.08.2026
- Issue no.
- 15
Accreditation scope — test methods (41)
| 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 (2,100 - 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: A, B, D | PN-EN 12697-6:2020-07 | |
| 4 | Bituminous mixtures | Air void content of asphalt mixture samples (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 5 | Bituminous mixtures | Particle size distribution Range (0 - 31,5) mm |
PN-EN 12697-2+A1:2019-12 | PN-EN 12697-2:2025-06 | PN-EN 933-1:2012 | ||
| 6 | Bituminous mixtures | Wheel tracking Range (0 – 20) mm |
Method: wheel tracking, method B (in air), small-size device | PN-EN 12697-22:2008 | PN-EN 12697-22+A1:2024-05 | |
| 7 | Bituminous mixtures | Penetration on cubic specimens | PN-EN 12697-20:2020-07 | ||
| 8 | Bituminous mixtures | Sampling | PN-EN 12697-27:2017-07 cl. 4.1, 4.2, 4.3, 4.7 | ||
| 9 | Road pavements | Thickness Range up to 500 mm |
PN-EN 12697-36:2022-09 cl. 6.1 | ||
| 10 | Road pavements | Air void content (calculated) | PN-EN 12697-8:2019-01 cl. 4 | ||
| 11 | Road pavements | Compaction index of asphalt layers (calculated) | PN-EN 13108-20:2016-07 Annex C4 | ||
| 12 | Road pavements | Interlayer bond strength | Leutner method | PN-EN 12697-48:2022-04 | 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, version of 31.08.2014 | |
| 13 | Road pavements | Longitudinal and transverse profiles (unevenness) Range (0 – 20) cm International Roughness Index IRI (calculated) |
Method: profilometric, inertial-type device – laser profilograph | PN-EN 13036-6:2008 | PN-EN 13036-5:2020-01 cl. 6 | |
| 14 | Road pavements | Sampling | PN-EN 12697-27:2017-07 cl. 4.7 | ||
| 15 | Fresh concrete | Air content Range (0 -10) % |
Method: pressure gauge | PN-EN 12350-7:2019-08 cl. 6 | PN-EN 12350-7:2019-08/AC:2022-03 | |
| 16 | Fresh concrete | Consistency Range (10 – 200) mm |
Method: slump | PN-EN 12350-2:2019-07 | |
| 17 | Fresh concrete | Density | Method: volumetric-gravimetric | PN-EN 12350-6:2019-08 | |
| 18 | Fresh concrete | Sampling | PN-EN 12350-1:2019-07 | ||
| 19 | Concrete | Compressive strength Force range (100 - 3000) kN |
PN-EN 12390-3:2019-07 | ||
| 20 | Concrete | Density | PN-EN 12390-7:2019-08 | PN-EN 12390-7:2019-08/AC:2021-01 | ||
| 21 | Concrete | Depth of penetration of water under pressure | PN-EN 12390-8:2019-08 | ||
| 22 | Concrete | Resistance to freezing | Ordinary method | PN-B-06265:2022-08 Annex N | |
| 23 | Concrete paving blocks | Water absorption | PN-EN 1338:2005 Annex E | PN-EN 1338:2005/AC:2007 | ||
| 24 | Concrete paving blocks | Splitting tensile strength | PN-EN 1338:2005 Annex F | PN-EN 1338:2005/AC:2007 | ||
| 25 | Ground | Determination of soil water content Range (1 - 200)% |
PN-88/B-04481 cl. 5.1 | ||
| 26 | Ground | Optimum moisture content Range (3 - 20) % Maximum bulk density of the skeleton Range (1,2 - 3,0) g/cm3 |
Method: Proctor (I, II) | PN-88/B-04481 cl. 8 | |
| 27 | Ground | Degree of compaction index (ls) | BN-77/8931-12 cl. 4 | ||
| 28 | Ground | Sand equivalent value | PN-EN 933-8:2012 Annex A | ||
| 29 | Ground | Mass loss on ignition | PN-88/B-04481 cl. 4.4.4.2 | ||
| 30 | Growing medium | Deformation modulus Load range (0,00 – 0,35) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 31 | Pavement structural layers | Deformation modulus Load range (0,00 – 0,45) MPa |
Method: VSS plate load test | PN-S-02205:1998 Annex B | |
| 32 | Aggregates | Particle size distribution Range (0 - 31,5) mm |
PN-EN 933-1:2012 | ||
| 33 | Aggregates | Particle density and water absorption Range (4 – 31,5) mm |
Pycnometric method | PN-EN 1097-6:2022-07 cl. 8 | PN-EN 1097-6:2022-07 Annex A | |
| 34 | Aggregates | Shape index | Method: Schultz calliper | PN-EN 933-4:2008 | |
| 35 | Aggregates | Flow coefficient | PN-EN 933-6:2023-06 cl. 8 | ||
| 36 | Aggregates | Water content | PN-EN 1097-5:2008 | ||
| 37 | Aggregates | Resistance to fragmentation | Method: Los Angeles | PN-EN 1097-2:2020-09 | |
| 38 | Aggregates | Sampling | PN-EN 932-1:1999 cl. 8.8 | ||
| 39 | Other chemical product – road salt | Water content | PN-C-84081-20:1980 | ||
| 40 | Road markings | Luminance coefficient Qd Range (1 - 318) mcd m-2 lx-1 |
Method: dry | PN-EN 1436:2018-02 Annex A | |
| 41 | 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 (47)
BN-77/8931-12 cl. 4
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, version of 31.08.2014
PN-88/B-04481 cl. 4.4.4.2
PN-88/B-04481 cl. 5.1
PN-88/B-04481 cl. 8
PN-B-06265:2022-08 Annex N
PN-C-84081-20:1980
PN-EN 1097-2:2020-09
PN-EN 1097-5:2008
PN-EN 1097-6:2022-07 Annex A
PN-EN 1097-6:2022-07 cl. 8
PN-EN 12350-1:2019-07
PN-EN 12350-2:2019-07
PN-EN 12350-6:2019-08
PN-EN 12350-7:2019-08 cl. 6
PN-EN 12350-7:2019-08/AC:2022-03
PN-EN 12390-3:2019-07
PN-EN 12390-7:2019-08
PN-EN 12390-7:2019-08/AC:2021-01
PN-EN 12390-8:2019-08
PN-EN 12697-1:2020-08 cl. B.1.7
PN-EN 12697-2+A1:2019-12
PN-EN 12697-20:2020-07
PN-EN 12697-22+A1:2024-05
PN-EN 12697-22:2008
PN-EN 12697-27:2017-07 cl. 4.1, 4.2, 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 12697-48:2022-04
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
PN-EN 13036-6:2008
PN-EN 13108-20:2016-07 Annex C4
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 933-6:2023-06 cl. 8
PN-EN 933-8:2012 Annex A
PN-S-02205:1998 Annex B