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Requirement :
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Supply of equipment for material testing lab of civil engineering dept. -is sieve set conforming to is 460. brass framed with ss mesh with lid and bottom pan, 300/200mm dia , sieve size- 4.75mm,2.36mm,1.2mm,600 miicron,425 micron,300 micron,150micron,90micron,75 micron, sieve shaker electrically operated , capable of accomodating 300/200mm dia sieves of 8 nos , " automatic compression testing machine-, automatic compression testing machine (prime ctm) is fully automated version of the manual/semi-automatic compression testing machine. the machine is available in 3000kn capacity ranges. it has provision for automatically turning the pump on & off, controlling the set pace rate & switching the machine off under predetermined conditions", aggregate crushing value apparatus- consists of case hardened mild steel cylindrical container of 150mm dia + 0.5mm x 130mm to 140mm high with base plate 200 to 230mm square x 6mm thick. a plunger of 148mm + 0.5mm dia x 100 to 115mm high. all parts directly coming in to contact with the specimen during the test are made of mild steel duly case hardened. supplied complete with tamping rod, 16mm dia x 600mm long, one end rounded., le chatelier mould- water bath capable of containing immersed le-chatlier moulds with specimens and of raising their temperature from 27' deg _+ 2'deg c to boiling in 27 +/- 3 minutes. made of double walled, outer made of crc sheet – powder coated or stainless steel and inside made of stainless steel. gap between the wall filled by glass wool to avoid heat losses. temperature is controlled by sensitive thermostat and temp. read on glass thermometer or digital temp. indicator cum controller with timer programmed to achieve boiling temp. in prescribed time. the bath is suitable to accommodate six moulds at a time. complete with stand to hold le-chatlier moulds in prescribed method. complete with three core wire and 15 amp. three pin top, , "rebound hammer - impact energy 2.207 nm. accuracy better than + 2 rebound numbers when tested on calibration anvil. resolution 2 rebound numbers. range 10 to 100 rebound number. conforms to bs 1881 part 202.is 13311 part 1, weight 1.5 kg travel carry case. average rebound number quality of concrete ->40 - very good hard layer 30 to 40 - good layer 20 to 30 - fair < 20 - poor concrete 0 - elaminated "
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