Sr. No.
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Material to be Tested
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Test to be Conducted
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Requirements
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1.
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Construction Water
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Potability, Sulphates, Chlorides
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As per Requirements of IS: 456 which shall be done at the start of project or change of source.
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2.
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Cement
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As per respective IS codes for OPC, PPC, PSC and for Grades 43/53
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a
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Physical
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Strength, Finesses, Initial/ Final setting time, Standard Consistency, Soundness by Le-Chatelier method.
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For every batch if MTC is not available at Random frequency.
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b
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Chemical
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Loss of Ignition, Insoluble residue.
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In case cement is old for new brand along with above test.
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3
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Reinforcement (Steel)
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For respective IS codes for Fe: 415/500/550
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a
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Physical
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Yield Stress/ UTS, Elongation, bend-rebend, weight per meter
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At Given frequency
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b
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Chemical
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% of Carbon, Sulphur, Phosphorus
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For new manufacturer or problem in physical tests
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4
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Structural Steel
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a
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Physical
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Yield Stress/ UTS, Elongation, bend-rebend, weight per meter
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At Given frequency
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b
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Chemical
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% of Carbon, Sulphur, Phosphorus
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For new manufacturer or problem in physical tests
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c
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Weld Tests
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Butt full strength, water absorption, Density.
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At Given frequency
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5
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Concrete Admixtures
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Compatibility with cement- Marsh Cone Testing.
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New admixture or admixture is giving performance problems.
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6
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C.C. Block/ Paver Blocks
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Compressive strength, water Absorption, Density
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At Given frequency
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7
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Aggregate
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a
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Physical
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Routine tests
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If specified by Client
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b
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Abrasion value
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Critically for Road Works
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8
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Concrete
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Mix Design
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At start of Project and/or change of cement
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Non Destructive Tests like Ultra Sonic or Rebound Hammer
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When Cube strengths are below acceptance criteria or as required by consultant.
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9
|
Soil
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Max dry density and water content relationship (Proctor Test)
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As start activities and change of source.
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Gradation, plastic Limit, Liquid Limit
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As Required
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Soluble Sulphates contents
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As Required
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10
|
RCC Pipes NP (Non- Pressure Class)
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Three edge test, water absorption
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As Required (Normally test setup available with manufacturer)
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11
|
Galvanized Steel
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Zinc coating thickness
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As Required
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