List of Tests conducted on Construction Materials
CEMENT
Test Parameters
BINDING WIRE
Test Parameters
REINFORCEMENT STEEL BARS
Test Parameters
Test Parameters
METAL / COARSE AGGREGATES
Test Parameters
MURUM
Test Parameters
FLUSH DOOR SHUTTER
Test Parameters
Test Parameters
SANLA
Test Parameters
CONCRETE BLOCKS
Test Parameters
WOODEN DOOR FRAME : Sal Wood/ Teak Wood/ Burma Teak Wood
Field Test Details Required Results
ALLUMINIUM WINDOW
Field Test Details Required Results
PLUMBING G.I. PIPES & FITTINGS
Field Test Details Required Results
CEMENT
Test Parameters
- Grade 43/53, OPC brand
- freshness test
- Manufacturing date not over six weeks from delivery date
- Lump test no lumps should be present
- Fineness Test
- Feeling to the fingers it should feel silky, after rubbing in the fingers
- When hand immersed in bag it should feel cool
- Weight - each bag 50 kg +/- kg
- floating test - should float on water before sinking
- paste test should gain some strength after 24 hours curing.
- type of bag jute / polythene / paper bag
- original stitching should be intact
BINDING WIRE
Test Parameters
- Gauge of wire as ordered ( normal gauge 16 s.w.g.)
- Binding test for hardness should be soft for twisting
REINFORCEMENT STEEL BARS
Test Parameters
- " mark " on steel " tor" marking should be rolled on every meter length.
- Pitch of twist of bar 8 to 12 times of nominal diameter of bar in mm
- Weight per meter length theoretical weight
- 6 mm dia bar 0.22 kg/m
- 8 mm dia bar 0.39 kg/m
- 10 mm dia bar 0.62 kg/m
- 12 mm dia bar 0.89 kg/m
- 16 mm dia bar 1.58 kg/m
- 20 mm dia bar 2.47 kg/m
- Rusting should not be found
- Diameter as required
- Bending test for hardness it should bend smoothly and should not develop any cracks while bending
- Length of bar for 8 to 10 mm > 11 to 12 meter and for 16 mm & above > 12 meter.
SANDTest Parameters
- Silt percentage 10 min test maximum 12% to 15%, 8 hr. test maximum 8%
- Size of particle not much coarse nor fine
- Very fine sand not advisable for r.c.c. work
- Organic impurities should be within limits & should be identified by visualization ( such as mixed quantity of shell/single and other impurities
METAL / COARSE AGGREGATES
Test Parameters
- Shape cubical, hard. flat & flaky should be less than 6%.
- Size 4.75 mm to 12 mm for metal no. 1 and 10 mm to 30 mm for metal no. 2
- % of grit up to 4% allowed only for metal no. 1
- Quality of stone/grit blackish grey, uniform color & hard
- Absorption of water in 24 hrs less than 5% by weight
- Dry loose Bulk Density
MURUM
Test Parameters
- Quality it should not get muddy when mixed with water
- Size / quality of stone should be in range of 5mm to 265 mm
- Hardness particles should be hard enough.
FLUSH DOOR SHUTTER
Test Parameters
- Type solid/ hollow core as per purchase order
- Bonding material phenol bonded/ as specified in P. O.
- Defects free from bends, twisting and wraping 2 size/ thickness as per purchase order 3 edges should be sharp, straight and no damages in top layer
Test Parameters
- Color reddish and uniform
- Edges should be sharp, straight and in right angles
- Size full size for 4" x" & 6" wall thickness
- Frog should not be less than 1 cm & should not be more than 2 cm.
- Water absorption should not be more than 20% by weight
- Soundness should give clear metallic ringing sound
- Burning should not be over burned (khangar) or under burned ( kaccha )
- % of breaking should not be more than 5%
- Strength should not break when thrown on their flat face from a height of 60cm (24" )
SANLA
Test Parameters
- Color even & uniform (reddish or white)
- Strength it should harden within 12 hours after application on walls
- Consistency it should be consistent and can be judged by visual observation
- Freshness no lumps should be observed
- Weight of bag/ brand as specified in purchase order(approx. 30 kg / bag)
CONCRETE BLOCKS
Test Parameters
- Size it should be as per requirement
- Edges should be sharp, straight and in right angles
- Texture homogeneous
- Defects free from cracks
- Strength it should not break when dropped on its flat face on hard ground from 1.0 m (3'3") height
- Absorption test not more than 10% by weight
- Weight weight of blocks should be taken after curing period is over for each lot
- % of breaking it should not be more than 3%
WOODEN DOOR FRAME : Sal Wood/ Teak Wood/ Burma Teak Wood
Field Test Details Required Results
- Size requirement drawing / order
- Section of wood as per drawing / order
- Color of wood as per specified quality
- Type of wood sal wood / teak wood / c.p. teak / burma teak wood or as per requirement
- Diagonal of frame both should be correct
- Right angle of frame both should be (both) in 90 degrees
- Edges of frame sharp
- Depth of shutter notch as per drawing
- Length of horn on either as per side drawing
- Number of bracings 4 nos.
- Top 50 x 25 mm (2" x 1") at 45 - 2 nos.
- Centre 50 x 25 mm (2" x 1") patti
- Bottom M.S. angle 25 mm x 25 mm x 5 mm or as per requirement
- Presence of holes/ cracks/ should be knot/ termites & bends free from all defects.
- Checking of joints it should be as per drawing
ALLUMINIUM WINDOW
Field Test Details Required Results
- Size as per drawing
- Diagonal and plumb should be perfect
- Section /accessories used for as mentioned in drawing mullion, tracks, shutters interlocking etc
- Fixing work should be proper with screws
- Check for necessary position it should be located as per drawing and rubber/ p.v.c. packing for glass
- Check for waviness, cracks should be free from any defects cavities etc for glass
- Check for quality as per specification of glass, aluminium section coating etc
- Make of aluminium section as specified used
- Sliding of glass panels smooth
- Scratches/ bends/ cracks if any free from all defects
- Proper fixing in wall side gap should not be there opening (if any, filled with gap filler )
- Provision of drain holes should be provided in window bottom channel as per drawings
PLUMBING G.I. PIPES & FITTINGS
Field Test Details Required Results
- Class/ diameter/ wall thickness it should be marked with proper color, makings and thickness as per class
- Defects free from any cracks
- Weight of pipe should be as per standard weights
- Length and size as per purchase order