Updated: Aug-18-2020

General Information

Type of service provider
Testing laboratory
Physical postal address

Carré N° 2223 – P KOUHOUNOU, 01BP 5948
Cotonou
Benin

Phone number
+229 21 38 77 19 / 95 36 01 35 / 96 96 47 27
E-mail
atslabo_btp [at] yahoo.fr
Has the laboratory been accredited in any scopes?
Yes
Scopes of Accreditation
Accredited tests: Soil Particle Size Analysis, Aggregate Particle Size Analysis, Atterberg Limits, Normal & Modified Proctor, CBR Index, Sand Equivalent, Aggregate Bulk Density, Real Aggregate Density, Los Angeles.
Accreditation body
Accreditation body: French Accreditation Committee (Cofrac)
Reference number of the accreditation certificate: 1-2380
Does the laboratory have other sites?
No

Personnel

Chief Executive Officer (CEO) / Head of Organization

CEO Name
Aristide Avodagbe
CEO E-mail
avodaris [at] yahoo.fr

Total laboratory personnel

Total laboratory personnel
114
Male laboratory personnel
109
Female laboratory personnel
5

Technical personnel

Technical personnel total
91
Male technical personnel
90
Female technical personnel
1

Technical Information

Testing

Laboratory services offered
Civil engineering and construction
Scope of services offered
Test object or product tested or matrices
Soils and rocky materials
Test parameter/ properties measured
Granulometry
Type of test/ instrumentation used
Dry washing and sieving
Methods
NF P 94-056
Accreditation status
Yes
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Determination of the states of a soil, Atterberg Limits
Type of test/ instrumentation used
Casagrande Apparatus
Methods
NF P 94-051
Accreditation status
Yes
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Proctor compaction test
Type of test/ instrumentation used
Molds and Checkers Proctor (Normal and Modified)
Methods
NF P 94-093
Accreditation status
Yes
Test object or product tested or matrices
Soils and rocky materials
Test parameter/ properties measured
Determination of the state of the water. Immediate bearing index. CBR Index
Type of test/ instrumentation used
CBR molds, CBR press
Methods
NF P 94-078
Accreditation status
Yes
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Granularity
Type of test/ instrumentation used
Dry washing and sieving
Methods
NF EN 933-1
Accreditation status
Yes
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Sand equivalent
Type of test/ instrumentation used
Graduated cylinders, mechanical stirrer
Methods
NF EN 933-8
Accreditation status
Yes
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Bulk density
Type of test/ instrumentation used
Cylindrical container
Methods
NF EN 1097-3
Accreditation status
Yes
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Pre-dried actual density
Type of test/ instrumentation used
Pycnometer
Methods
NF EN 1097-6
Accreditation status
Yes
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Resistance to fragmentation
Type of test/ instrumentation used
Los Angeles machine
Methods
NF EN 1097-2
Accreditation status
Yes
Test object or product tested or matrices
Soils and Aggregates
Test parameter/ properties measured
Water content
Type of test/ instrumentation used
Oven
Methods
NF P 94-050 / NF EN 1097-5
Accreditation status
No
Test object or product tested or matrices
Soils and Aggregates
Test parameter/ properties measured
Organic matter
Type of test/ instrumentation used
Oven
Methods
Hydrogen peroxide method
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Methylene blue value on soil
Type of test/ instrumentation used
Mechanical stirrer with paddles, oven
Methods
NF P 94-068
Accreditation status
No
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Methylene blue value on aggregate
Type of test/ instrumentation used
Mechanical stirrer with paddles, oven
Methods
NF EN 933-9+A1
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Compression Resistance on Soil-Cement
Type of test/ instrumentation used
Compression testing machine
Methods
NF EN 13286-41
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Tensile Strength (Brazilian test) on Soil-Cement
Type of test/ instrumentation used
Compression testing machine
Methods
NF EN 13286-42
Accreditation status
No
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Coefficient of form
Type of test/ instrumentation used
Sieve
Methods
NF EN 933-3
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Density of fine soils
Type of test/ instrumentation used
Cylindrical molds
Methods
NF P 94-053
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Density of solid particles in soils
Type of test/ instrumentation used
Pycnometer
Methods
NF P 94-054
Accreditation status
No
Test object or product tested or matrices
Bitumen
Test parameter/ properties measured
Ring and ball temperature
Type of test/ instrumentation used
Ring and ball apparatus
Methods
NF EN 1427
Accreditation status
No
Test object or product tested or matrices
Bitumen
Test parameter/ properties measured
Penetration on bitumen
Type of test/ instrumentation used
Needle penetrometer
Methods
NF EN 1426
Accreditation status
No
Test object or product tested or matrices
Bituminous concrete
Test parameter/ properties measured
Binder content
Type of test/ instrumentation used
Kumagawa method
Methods
NF T 66-001
Accreditation status
No
Test object or product tested or matrices
Emulsion
Test parameter/ properties measured
Viscosity
Type of test/ instrumentation used
Viscometer
Accreditation status
No
Test object or product tested or matrices
Aggregates and bitumens
Test parameter/ properties measured
Adhesion
Type of test/ instrumentation used
Climatic chamber, vialit plate
Methods
NF EN 12272-3 / NF EN 15626
Accreditation status
No
Test object or product tested or matrices
Bituminous concrete
Test parameter/ properties measured
Marshall Test
Type of test/ instrumentation used
Compression machine
Methods
NF EN 12697-30/ NF EN 12697-34 / NF EN 12697-35+A1
Accreditation status
No
Test object or product tested or matrices
Bituminous concrete
Test parameter/ properties measured
Duriez Test
Type of test/ instrumentation used
Molds, compression and crushing machines
Methods
NF P98-251-1
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Dynamic penetration
Type of test/ instrumentation used
Penetrometer
Methods
NF P94-115
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Density in place
Type of test/ instrumentation used
Densitometer
Methods
NF P 94-061-2
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Deflection
Type of test/ instrumentation used
Benkelman beam
Methods
NF P 98-200-2
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Plate
Type of test/ instrumentation used
Benkelman beam, plate
Methods
NF P94-117-1
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Rectilinear shear box
Type of test/ instrumentation used
Shear device
Methods
NF P94-071-1
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Compressibility test soils using plates
Type of test/ instrumentation used
Oedometer test apparatus
Methods
XP P94-090-1
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Particle size analysis by sedimentometry
Type of test/ instrumentation used
Sieve, scale, oven
Methods
NF EN ISO 17894-4
Accreditation status
No
Test object or product tested or matrices
Aggregates
Test parameter/ properties measured
Actual density and water absorption coefficient
Type of test/ instrumentation used
Pycnometer
Methods
NF EN 1097-6
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Core survey
Type of test/ instrumentation used
Probe, corer
Methods
XP P94-202
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
Pressuremeter survey
Type of test/ instrumentation used
Sounder
Methods
NF P94-110
Accreditation status
No
Test object or product tested or matrices
Soils
Test parameter/ properties measured
SPT Test
Type of test/ instrumentation used
Sounder
Methods
NF EN ISO 22476-3
Accreditation status
No
Does the laboratory conduct sampling, upon request of the client, of products to be tested?
No

Proficiency Testing

Does the lab participate in proficiency testing for accredited scopes
No
Does the lab participate in proficiency testing for non-accredited scopes
No
Inter-laboratory comparison
Yes
Interlaboratory comparison scheme
Annual program carried out between counterpart laboratories in the sub-region.
Does the laboratory sub-contract testing work to other laboratories?
No

Quality Control / Quality Management

Does the lab operate an internal quality control (QC) system to ensure quality of test results?
Yes
Does the lab operate a management system (or Quality Management System) for assuring the quality of results?
Yes
Is the system documented in a Quality Manual?
Yes