Geo-Technical Investigations and Material tests
 
Geo-Technical Investigations and Material tests
REPL performs following tests in the field of Geotechnical Investigation and Material Testing:
 
   
A CEMENT
   
1 Compete test of cement consisting of fineness, Standard consistency, initial & Final setting time, 03 days & 07 days compressive strength.
2 Any other test (in addition to above)
3 Full Chemical analysis of cement (Full sealed bag of cement is required.
   
B COARSE AGGREGATE
   
1 Sieve analysis and fineness modulus.
2 Determination of material finer than 4.75 Mc.
3 Determination of flakiness index and clongation.
4 Determination of clay, fine slit & fine dust by Sedimentation method.
5 Determination of light wt. pieces (coal/lignite).
6 Determination of soft particles.
7 Determination of Specific gravity
8 Determination of Water absorption.
9 Determination of Bulk density.
10 Determination of voids.
11 Determination of Aggregate crushing value.
12 Test for aggregate impact value.
13 Aggregate abrasion Value by Los Angels M/s.
14 Soundness test
15 Stripping of Aggregates
16 North Dakoda Cone Test.
17 Determination of Potential Reactivity of Aggregates.
18 Crushing Value.
19 Deval Abrasion Test.
(150 kg of coarse aggregates are required for every test.)
   
C FINE AGGREGATES
   
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Sieve analysis & fineness modulus.

Determination of material finer than 75 micron.

Determination of clay, fine, dust.

Determination of water absorption

Determination of specific gravity

Determination of bulk density

Determination of voids.

Determination of soundness.

Solubility test per sample of sand.

Durability test per sample sand.

Determination of pot reactivity of aggregate (Chemical method)

Bulking of sand (50 kg of sample is required to carry out all the tests.)
D BUILDING STONES
   
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Compressive Strength

Weathering test on natural stones.

Specific gravity and porosity

Water absorption.

Shear strength test on natural building stone.
   
E WATER (FOR CONCRETE)
   
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2
Chemical Test (including pH)

Physical Test.
   
F LIME
   
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Full chemical analysis of building lime.

Determination of fineness.

Compressive strength of class A and B Lime.

Tensite strength test of Kankar lime.

Tensite strength test on any one period on Neat Lime, Surkhi, or Lime Sand Mortar for average of six

Briquettes at specified water content.

Fineness of Kaukar lime by sieving.

Chemical analysis of kaukar lime.
   
G CEMENT CONCRETE
   

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Compression test on a set of six cubes to be tested on two different dates including preparation of samples.

Compression test on a set of six cubes to be tested on two different dates when prepared cubes are received.

Designs of mix (1:2:4)
a) Testing Part
b) Consultancy part

Testing of concrete by test hammer per point per site.
a) Testing Part
b) Consultancy part

Non Destructive Test of concrete by Wave propagation Techniques per test per site.
a) Testing Part
b) Consultancy part

Analysis for failed structure due to cracking by Utrasonic Flaw detector.
a) Testing Part
b) Consultancy part
(for item No. 4 to 6 T.A./I) A & cartage charges shall be extra.

Flexural strength of beams.
a) Prepartion & Testing (per piece of member)
b) Testing alone.

Elasticity by Electro Dynamic method.

Slump Test.

Water Permeability Compaction factor.

   
H WATER PROOFING COMPOUND
   
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Full Test according to IS: 2645-1964

Setting time.

Compressive test

Permeability to water
   
I BITUMENOUS MATERIAL
   
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(A) BITUMEN
Specific Gravity
Viscosity
Water contents.
Flash & Fire point.
Softening Point.
Penetration test.
Ductility Test.
Loss of heating
Penetration of residue.
Material soluble in CS2 or CC14
Bitumen recovery test.
Bitumenous Mix Design.

(B) TAR
Specific Gravity
Viscosity
Equiviscous temperature (EVT)
Water content.
Softening Point.
Insoluble material
Phenol content.
Nephthelene content.
Volatile matter.

(C) CUT BACK
Viscosity
Flash Point.

   
J BRICKS
   
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Examination of General quality and size.

Compressive strength on a set of 05 bricks.

Water absorption on a set of 5 bricks.

Efflorescence.
   
K BRICK BALLAST
   
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4
Water absorption

Soundness

Size/Gauge

Crushing value.

   
L TILES
   
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FLOORING TILES
a) Dimensions
b) Water absorption
c) Wet transverse strength

ACID PROOFING TILES
a) Compressive strength
b) Acid resistance.

Carjing Test

Impact Test
   
M DOOR SHUTTERS
   
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Moisture content.

Density

Water absorption

End emersion.

Knife test.

Glue adhesion (full size door shutters shall be required for every test)
   
N PLY WOOD
   
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4

Tensile strength when test piece is ready & turned according to size.

Tensile strength when test piece is to be prepared in the lab.

Glue shear strength when test piece is ready.

Glue shear strength when test piece is not ready.
   
O COAL & COKE
   
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2
Determination of Moisture content.

Determination of Ash content.
   
P ANALYSIS OF MORTARS
   
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Approximate determination of cement content in hardened mortar (when cement and sand are not analysed.)

Approximate determination of cement content in dry mortar (when cement and sand are not analysed.)

Approximate determination of cement content in cement concrete (when cement and sand are not analysed.)

Determination of white lime content of a set of white lime mortar.

Determination of white lime content of a set of white lime concrete cube.

Determination ratio of constituents of Premix Bituminous sample.
   
Q SOILS
   

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15b

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Liquid Limit, Plastic Limit & lp

2a Percentage of material retained on 200 mesh sieve (BS No. 8)

2b Sieve analysis per sieve.

Particle Size Analysis as IS (Wet analysis)

Moisture content.

Specific Gravity

Dry density & O.M.C. (Proctors method)

Shrinkage factor

Coefficient of permeability

Suitability of soil as mud mortan

Silt factor

pH value of soils.

Organic matter in soils.

Total carbonates.

Suitability of soil for Brick kiln.

Direct shear test for determination of cohesion and angle of internal friction.

Triaxial Comp. test for determination Cohesion and angle of interal friction.

Unconfined compression test.

Consolidation test.

Swelling pressure studies.

Sensitivity of soil.

C.B.R. Value.

Field C.B.R test.

Soil, Cement mix design.

Field dry density by sand replacement method.

Soil testing for foundation with hand broing.

Standard Penetration Test (per test) for 10 M Bore Hole.
a) report for test results 9testing part) only.
b) Reporting the results and recommendations. (Consultancy part) in addition to abvee.

Soil testing for foundation with drilling M/c.

Plate Load test (for item No. 28 T.A./D.A. and cartage charges shall be extra.
a) Testing part
b) Consultancy part.
   
R PIPE TESTING
   
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R.C.C. Spun Pipes: (Three Edge Bearing test, hydrostatic pressure test & water absorption test as IS 158& 3597.
a) Pipes up to 300 mm. Dia
b) Pipes above 300 mm Dia, but upto 500 mm Dia
c) Pipes above 500 mm Dia, but upto 1000 mm Dia

Cement concrete pipes.
Crushing test, hydrostatic pressure test, bursting test and water absorption test as per IS: 5913 IS: 1592.

P.V.C. Pipes
a) Hydrostatic pressure test, impact test (14 strikes) as per IS 4985.
b) Hydrostatic pressure test, impact test (42 strikes) as per IS 4985.

M.S. PIPES/C.I. PIPES/ER W PEIPES/G.I. PIPES
Hydrostatic pressure test for pipes
a) Upto 150 mm Dia
b) Above 150 mm Dia but Upto 300 mm Dia
c) Above 300mm Dia but upto 500mm Dia.

   
S SURVEY LABORATORY
   
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Measurement of area by Plane Tabling per acre excluding interior details.

Preparation of map (with details) (Per acre)

Determination of Height of structure (each) in plains.

Carrying out levels for finding out R.L.s
Grid 10M x 10M (Per Acre)
Grid 20M x 20M (Per Acre)
Grid 50M x 50M (Per Acre)
Grid 100M x 100M (Per Acre)
Extra per R.L. for above.
   
T MISCELLENOUS
   
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Surkhi

Physical test

Chemical Test

Sieve Analysis
   
U ENVIRONMENTAL ENGINEERING TESTS
   
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Testing of physical & Chemical parameters (excluding metal ions)

Testing of individual metal ions (eg. CN, Cd, Cr, Cr. Etc.)

Testing of individual physical parameters.

Testing of BOD

Testing of COD

Testing total dissolved solids

Testing of suspended solids.

Volatile solids.

Testing of pH

Dissolved Oxygen

Testing of Chloride.

Testing of acidity

Testing of Alkalinity

Testing any other individual parameters

Testing of filter media sand.

Testing of Filter media gravel.
If samples are to be collected from site extra charges for collection shall be extra.