Our accredited laboratories deliver precise testing and inspection
services to maintain high construction quality standards in every project.
Our services include:
·
Testing of
concrete, asphalt, aggregate, and steel reinforcement
·
Construction
material quality assurance and control (QA/QC)
·
On-site
inspection, supervision, and sampling
·
Compliance
testing based on ASTM, BS, SASO, and other standards
·
Calibration and
certification of construction materials
1. Filling & Backfilling Materials Testing and
Quality Control:
1.1
Soil/Fill/Backfill Materials Testing
1.2
Soil/Fill/Backfill Materials Quality Control
2. Concrete Testing and Quality Control:
2.1 Concrete
Testing
2.2 Concrete
Quality Control
3. Asphalt Testing
4. Aggregate Tests
5. Cement Tests
6. Admixture
7. Steel Test
8. Calibration Service
9. Lab Equipment:
9.1 Soil
Testing Equipment
9.2 Aggregate
Testing Equipment
9.3 Asphalt
Testing Equipment
9.4 Concrete
Testing Equipment
9.5 Blocks
& Tiles Testing Equipment
9.6 Cement
Testing Equipment
9.7 Steel
Testing Equipment
1. FILLING & BACKFILLING MATERIALS TESTING AND
QUALITY CONTROL:
1.1 Soil/Fill/Backfill Materials Testing:
1) Field Density test by sand
cone method. (ASTM D-1556)
2) Field Density test by nuclear
method. (ASTM D -2922)
3) Washed Sieve Analysis. (ASTM
C-136)
4) Atterberg limit test. (ASTM
D-4318)
5) Moisture density relationship
of cohesive soil. (ASTM D-1557)
6) Max. / Min Index densities of
non-cohesive soil. (Relative density). (ASTM D 4253)
7) Hydrometer analysis
(including sieve analysis) (ASTM D 422)
8) C.B.R. Test (ASTM D 1883)
9) Sulphate and Chloride (BS
1377)
10) Plate bearing test (Load
provided by costumer). (ASTM D-1194)
11) Lab. Permeability test
(Constant Head). (ASTM D-2434)
12) Lab. Permeability test
(Falling Head). (ASTM E-2396)
13) Triaxial test. (ASTM D-2850)
14) Consolidation test. (ASTM
D-2435)
15) Direct shear test. (ASTM
D-3080)
16) Unconfined compression test
for soil. (ASTM D-2166)
17) Unconfined compression test
for rock. (ASTM D-2938)
1.2 Soil/Fill/Backfill Materials Quality Control:
1.2.1 On-site Soil/Fill/Backfill Materials Quality
Control
- Field Density Test by Sand
Cone Method (ASTM D-1556)
- Field Density Test by Nuclear
Method (ASTM D-2922)
- C.B.R. Test (ASTM D 1883)
- Plate Bearing Test (Load
Provided by Costumer) (ASTM D-1194)
1.2.2 Field Supervision, Test Request & Reports
- Visit Basis:
- Monthly Basis:
2. CONCRETE TESTING AND QUALITY CONTROL:
2.1 Concrete Testing:
2.1.1 Fresh Concrete Tests:
- Temperature of Freshly Mixed
Hydraulic-Cement Concrete (ASTM C1064 / C1064M).
- Sampling freshly mixed
concrete (ASTM C-172).
- Slump of Hydraulic-Cement
Concrete (ASTM C-143).
- Unit weight, yield and air
content (ASTM C-138).
- Air content (ASTM C-173 or
C-231).
- Making and Curing Concrete
Test Specimens in the Field (ASTM C-31 or BS-1881: part 3).
2.1.2 Hardened Concrete Tests:
2.1.2.1 Non-Destructive Tests:
- Schmidt hammer test (ASTM
C-805).
- Ultrasonic test (ASTM C-597).
- Pull-out test (ASTM C-900).
Corrosion analysis of steel in
hardened concrete (Half-cell potential measurements) (ASTM C876)
2.1.2.2 Destructive Tests:
- Compressive strength (ASTM
C-39)
- Splitting Tensile Strength of
Cylindrical Concrete specimen (ASTM C-496)
- Flexural Strength of Concrete
(ASTM C-78)
- Concrete core test (ASTM C42)
2.1.2.3 Other tests:
- Concrete mix design.
- Chemical analysis:
Carbonation – Cement Content – Salts (Cl⁻ - SO₄²⁻).
2.2 Concrete Quality Control:
2.2.1 Batch Plant Quality
Control
2.2.2 On-site Concrete Quality
Control
- Slump test (ASTM C 143)
- Concrete temperature (ASTM C
143)
- Concrete sampling by using
Cylinder or Cube (ASTM C 31)
- Compressive strength for
Cylinder or Cube (ASTM C 39)
- Density for Cylinder or Cube.
- Air Content & Unit Weight
2.2.3 Field Supervision, Test
Request & Reports
- Visit Basis
- Monthly Basis
3. ASPHALT TESTING:
1- Bitumen penetration test.
(AASHTO T-49)
2- Bit. Softening point test
(Ring & Ball method) (AASHTO T-53)
3- Bit. Flush & fire point
test. (ASTM D-92)
4- Bit. Viscosity test. (ASTM
D-88)
5- Bitumen Ductility test. (ASTM
D-113)
6- Asphalt extraction test.
(ASTM D-6847)
7- Max. theoretical specific
gravity (Gmm) of asphalt mix (ASTM D-2041)
8- Marshall & flow test.
(ASTM D-6927)
9- Asphalt mix design
10- Asphalt coring at site.
(ASTM D-2950)
4. AGGREGATE TESTS:
1- Practice for sampling
aggregates (ASTM D-75)
2- Reducing field samples to
testing size (ASTM C-702)
3- Sieve Analysis of Aggregates
(ASTM C-136)
4- Materials finer than (No.
200) sieve by washing (ASTM C-117)
5- Specific gravity and
absorption of coarse aggregate (ASTM C-127)
6- Specific gravity and
absorption of fine aggregate (ASTM C-128)
7- Organic Impurities in fine
aggregate (ASTM C-40)
8- Total moisture content of
aggregate by drying (ASTM C-566)
9- Unit weight and voids in
aggregates (ASTM C-29)
10- Resistance degradation of
coarse aggregate (ASTM C-131)
11- Clay lumps and friable
particles (ASTM C-142)
12- Soundness of aggregate (ASTM
C-88)
13- Potential reactivity of
aggregate (ASTM C-289)
14- Flat and elongated particles
in coarse aggregate (ASTM D-4791)
15- Flat and elongated particles
in coarse aggregate (BS 812)
16- Chloride in aggregate (BS
812)
17- Sulfate in aggregate (BS
812)
18- Crushing value of aggregate
(BS 812)
19- 10% fine value of aggregate
(BS 812)
20- Aggregate shape test
(Angularity Number) (BS 812)
5. CEMENT TESTS:
1- Specific gravity of cement.
(ASTM C-188)
2- Setting Time (ASTM C-191)
3- Compressive Strength (ASTM
C-109)
4- Fineness of hydraulic cement
(ASTM C-204)
5- Loss of ignition of Portland
cement. (ASTM C-114)
6. ADMIXTURE:
1- Technical sheet
2- Trial mixes for evaluating
the effect admixture on Slump, Slump loss, Setting Time, and Strength.
7. STEEL TEST:
1- Steel Yield & Ultimate
Stress. (ASTM A-370)
2- Steel Elongation at breakage.
(ASTM A-370)
3- Cold Steel Bend Test. (ASTM
A-370)
8. CALIBRATION SERVICE:
1- Concrete crushing machine.
(ASTM E-4-03)
2- CBR machine (ASTM E-4-03)
3- Marshall machine (ASTM
E-4-03)
4- Lab. Balances (ASTM E-898-93)
5- Concrete batching plant (ASTM
C-94)
6- Asphalt batching plant (ASTM
C-94)
