26366690
supply , installation and commissioning of civil engineering laboratory instruments 1 ( a ) cube mould ( cast iron ) 150 mm x 150 mm x 150 mm conforming to is:10086 2 ( b ) cube mould ( cast iron ) 70.6 mm x 70.6 mm x 70.6 mm conforming to is:10086 3 pycnometer pycnometer to determine specific gravity of solid is : 2720 ( part 4 ) – 1985 4 compression testing machine ( make: aimil / enkay / asew ) hand operated ( capacity: 250kn ) compression testing machines conforming to is: 14858 ( 2000 ) and is:516 also calibrated with an accuracy of± 1 %. 5 cylindrical mould for compressive strength test ( make: aimil / enkay / asew 15 cm dia x 30 cm height as per standards; cylindrical mould, cast iron, split lengthwise 150mm dia x 300mm high with isi certification mark is:10086 6 ( a ) le chattelier mould apparatus complete set to determine soundness of cement as per is: 5514 ( b ) le chattelier flask ( c ) le chattelier water bathas per standards 7 ( a ) basin enamel 25 cm diaas per standards ( b ) basin enamel 30 cm dia as per standards ( c ) sample tray ( enamel tray ) , size 200x150x30mm as per standards;sample tray ( enamel tray ) , size 200x150x30mm ( d ) sample tray ( enamel tray ) , size 300x250x40mm as per standards; sample tray ( enamel tray ) , size 300x250x40mm 8 compaction factor apparatus n ( make: aimil / enkay / asew ) complete set to determine workability of concrete as per is: 5515; compaction factor apparatus, ref. standard is:5515. a useful tool for determination of workability determination of concrete mixes of very low workability such as those normally used with concrete, compacted by vibration. concrete mix having maximum size of aggregate not exceeding 38 mm, can be tested for workability. compaction factor apparatus is complete with hoppers and nreceiver assembly, tamping rod of 16 mm dia x 60 cm long having a hooper and two trowels. 9 hot air oven size 600 x 600 x 600 mm with digital temperature & air circulating fan ( as per is standards ) ; laboratory electric oven, with digital indicator cum controller with safety alarm, range 50° to 250°c + / 1°c with air circulating fan, s.s. inside size 600x600x600mm. ) 10 cement spatula nconforming to is: 4031; is: 269 ( mild steel / stainless steel ) n 11 cement sampler ) nconforming to is: 3535 ( mild steel / stainless steel / brass ) n 12 gauging trowel nas per is requirement ( is: 10086; is:4031 ) ( mild steel / stainless steel ) n 13 steel scoops nas per is standards ( stainless steel ) n 14 screw guage ) n0.00 to 25 mm n 15 ( a ) double pan balance n ncapacity 10 kg x 1gm with weights n 16 scales ( metal ) n12 inches n 17 venturimeter & orifice meter apparatus nsupply and installation of complete apparatus should consist of a close circuit through which water is circulated continuously by means of a centrifugal pump of 25 mm x 25 mm with 0.5 h.p. motor to make the supply from sump tank. a sump tank 80 cm long, 40 cm wide and 30 cm high fabricated with 1.5 mm thick s.s. sheet is to be provided. a drain valve of 15 mm size is to be provided in the bottom of the tank. water is drawn from the sump tank and delivered to the g.i. pipe line circuit having parallel pipe lines of sufficient length connected with the respective venturimeter and orifice meter. a venturimeter made of brass is to be provided ( each having d / d = 0.6 ) having inlet size of 25 mm dia. while throat size is 15.0 mm dia. an orifice meter of 25 mm size at inlet having a bore of 15.0 mm made up of brass is also to be provided. both venturimeter and orifice meter should be provided with two pressure tappings, one at upstream and other at throat ( downstream ) sections. na u tube differential manometer of 50 cm size has to be provided with common manifold to measure the pressure difference between two sections of venturimeter and orifice meter. a regulating valve has to be provided in the downstream side of the circuit to regulate the flow. supporting stand made from m.s. angle to support the pipe circuit has to be provided. na collecting tank to measure discharge of size 40 cm x 40 cm and 30 cm high to be fabricated from 1.5 mm thick s.s. sheet. the tank is to be provided with gauge glass tube, flow diverting arrangement and a drain valve of 25 mm size. necessary g.i. piping system & flexible pipe of suitable size, necessary fitting and control valve are provided with the apparatus. n 18 reynold’s apparatus – nsupply and installation of complete set apparatus should consist of a close circuit through which water is circulated continuously by means of a centrifugal pump of 25 mm x 25 mm with 0.5 h.p. motor to make the supply from sump tank. a sump tank 90 cm long, 40 cm wide and 30 cm high fabricated with 1.5 mm thick s.s. sheet is to be provided. a drain valve of 15 mm size is to be provided in the bottom of the tank. nstorage cum supply tank 30 cm x 30 cm and 60 cm high fabricated with 1.5mm thick s.s. sheet should be provided with the apparatus. the tank should have the provision for supplying coloured liquid dye in the perspex pipe. a perspex acrylic pipe of 25 mm dia, 90 cm long is to be provided to visualize the flow. the entry of water in perspex pipe is through elliptical bell mouth made of brass to have smooth flow at the entry. a regulation valve with a bend is to be provided on the downstream side of the perspex pipe to regulate the flow. the supply tank should be provided with gauge glass tube. the tank should have the provision of over flow to maintain the constant head in the tank. the above unit is to be supported on the stand fabricated from m.s. angle. a collecting tank to measure discharge of size 30 cm x 40 cm and 30 cm high to befabricated from 1.5 mm thick s.s. sheet. the tank is to be provided with gauge glass tube, flow diverting arrangement and a drain valve of 25 mm size. necessary g.i. piping system & flexible pipe of suitable size, necessary fitting and control valve are provided with the apparatus. n 19 hydraulic bench supply and installation of complete set as per attached specifications, hydraulic bench – nsupply and installation of complete set features: nthe present set up should be a self contained, water re circulating unit provided with a top tray and a sump tank. various hydraulics experiments can be conducted on this set up like: bernoullis theorem apparatus; flow measurement by venturimeter; flow measurement by orificemeter; flow over notch; orifice and mouth piece; losses due to friction in pipe line; losses in pipe fitting; impact of jet on vane; study of pressure measurement; pitot tube; free vortex apparatus. na centrifugal pump is to be fitted for water circulation. flow control valve and by pass valve are to be fitted in water line to conduct the experiment on different flow rates. flow rate of water is to be measured with the help of measuring tank and stop watch. water collected on the top tray from experimental set up, drains and return to sump tank.utilities required: n• water supply n• floor drain n• electricity 1kw, 220v ac, single phase n• floor area 1.5 x 1.5 m ntechnical specifications: n• top tray: size 1000 x 700 x 100 mm ( approx ) n• water circulation: 1 hp pump. n• flow measurement: using measuring tank, capacity 40 ltrs. n• sump tank: capacity 100 ltrs. n• stop watch: electronic. n• control panel comprises of: standard make on / off switch, mains indicator, etc n• instruction manual: an english instruction manual will be provided along with the apparatus n• tanks and top tray will be made of stainless steel n• the whole set up is well designed and arranged in a good quality painted structure n n 20 centrifugal pump test rig nsupply and installation of complete set features: n• variable speed n• self contained water circulation unit. n• pump giving adequate flow for meaningful experiments. n• service required : capacity of water min. 90 lit. approx; electrical supply single phase, 1.0 h.p. capacity; comprehensive instruction manual covers experiment presented in the form of a full laboratory report. n• space saver as collecting tank is mounted over the sump tank. nexperimental capabilities: n• to determine the efficiency of the pump. ndescription: napparatus consists of a close circuit through which water is circulated continuously by means of a centrifugal pump of 25 mm x 25 mm coupled to a 1.0 h.p. capacity d.c. motor to make the supply from sump tank. a sump tank 80 cm long, 40 cm wide and 30 cm high fabricated with 1.5 mm thick s.s. sheet is to be provided. a drain valve of 15 mm size is to be provided in the bottom of the tank. na d.c. motor of 1 h.p. capacity, single phase, 220 volts running at 1440 rpm is to be provided with the apparatus. a variable speed drive and a.c. to d.c. converter is also to be provided. an r.p.s. meter is to be provided to measure revolution of the motor. motor should be attached with a swinging frame and spring balances to measure the output of the motor. na collecting tank to measure discharge of size 40 cm x 40 cm and 40 cm high to be fabricated from 1.5 mm thick s.s. sheet. the tank is to be provided with gauge glass tube, flow diverting arrangement and a drain valve of 25 mm size. complete g.i. piping system with foot valve, vacuum gauge and pressure gauge ( located at suitable places ) with necessary fittings has to be provided with the apparatus. a regulating valve is to be provided on the downstream side of the circuit to regulate the flow. n 21 sieve set with lead and pan 4.75mm, 2mm, 2.36 mm, 1.70 mm, 1.18 mm, 850μm, 600 μm, 425 μm, 300 μm212 μm, 150 μm, 90 μm, 75 μm, lid and receiver for 200 mm dia sieves, made of brass. the g.i. frames sieves manufactured normally n sizes 300mm dia. or 450mm dia. have a steel perforated sheet having accurately punched square holes as per is code. 22 liquid limit apparatus the liquid limit data of soils is useful to correlated mechanical properties of soil, such as compressively and lower shear strength. liquid limit is water content at which soil passes from zero strength to an infinitesimal strength; hence the true value of liquid limit cannot be determined. for determination purpose liquid limit is that water content a which part of soil , cut by a grove standard dimensions , will flow to gather for a distance of 1.25 cm under packed of 25 blows in a standard liquid apparatus. it consist of brass cup held on an adjustable bucket , the cup can be adjusted for a fall of 1 cm and can be resided and dropped on a rubber base of standard hardness by cam action. complete with one casagrande grooving tool, one astm grooving tool and a high gauge block .fitted with a counter to register the number of blows. 23 shrinkage limit apparatus shrinkage limit is the max water content, which a reduction in water content does not cause and appreciable reduction in volume of the soil mass. at shrinkage limit on further deduction in water, air enters into the voids of soil and dose keeps the volume constant. the apparatus can be used to determine shrinkage limit and calculate other shrinkage factors like shrinkage ratio, shrinkage index and volumetric shrinkage. set consist of one each, porcelain evaporated dish , shrinkage dish, glass cup, perspex plate with 3 metals, prongs, perspex plate , flexible spatula, glass cylinder 25ml x 0.5 ml supplied without mercury as per is code. 24 core cutter with hammer this is used for determination of in situ dry density of natural or compacted fine grained soil, free from aggregates. a cylindrical cutter is used to extract a sample of the soil with the help of a dolly and rammer. it consists one each: cylindrical core cutter made of steel, 130 mm long and 100 mm internal diameter. steel dolly, 25 mm high with a lip to enable it to be located on top of the core cutter, rammer with detachable steel rod as per is code. 25 sand replacement apparatus this apparatus is used for the in place determination of the dry density of compact , fine and medium grained soils and for layers not exceeding 50 cm thickness. consist one each:small sand pouring cylinder 3 liter capacity fitted with conical funnel and shutter. cylinder calibrating container , internal dia. 10 cm and internal depth 15 cm , fitted with a flange , metal tray 30 cm square and 4 cm deep without hole test forms pad of 50. 26 hydrometer analysis, na.hydrometer nb.jar n used for grain size analysis of soils where more than 10 % of the material will pass through 75 micronsi s sieves. the scale range is 0.995 to 1.030 density ( gms / cc ) at 27 degree centigrade . smallest division on the scale is 0.0005 as per is. n 27 plastic limit apparatus for determination purpose limit is define as the water content at which a soil will just begin to crumble when rolled into a thread of 3 mm dia. the complete set consists of one each. glass plate 20 cm x 115 cm having ground ends and one side frosted. brass or stainless steel 3 mm dia x 150 mm long , flexible spatula , set of 6 moisture containers, porcelain basin 150 mm dia, plastic wash bottle 500 ml as per is. 28 flexure rigidity of a given beam. complete setup with weights, dial gauges & magnetic bases ndescription : napparatus shall consists of a mild steel beam 2.5 cm x 0.3 cm in cross section and 100 cm long, pinned to two supports 70 cm apart situated symmetrically. one of the ends can be fixed or given a known slope by applying a known moment at the end with the help of suspended loads. at the other end also a known moment can be applied. vertical loads can be applied at various points along the span of the beam. a dial gauge with 25 mm travel ( with a magnetic base ) is supplied with the apparatus. apparatus should be supplied complete with a supporting stand and a set of weights. nexperimental capabilities: nto determine the flexural rigidity ( ei ) of a given beam and to compare it with theoretical values. nto verify moment area theorem for slopes and deflection of a beam. nto determine the stiffness factor at one end of a beam when the other end is ( a ) pin connected ( b ) fixed. nto determine the carry over factor of a given beam. nto draw shear force diagram and bending moment diagram in different conditions. n 29 maxwell reciprocal theorem. complete setup with weights, dial gauges & magnetic bases; verification of clark maxwell reciprocal theorem description: apparatus should consists of a beam 100 cm long and 1.25 cm x 4 mm in cross section with graduations at every 10 cm along the length. it is supported on two knife edge supports 70 cm apart with a 30 cm overhang on one side. reciprocal theorem can be verified by direct measurements of the deflections of various points with the help of dial gauge due to a load, placed at the reciprocal points. a dial gauge with 25 mm travel ( with a magnetic base ) is supplied with the apparatus. apparatus shold be supplied complete with a supporting stand and a set of weights. nexperimental capabilities: nto verify clark’s maxwell reciprocal theorem by means of a mild steel beam. n 30 three hinged arch complete setup with weights, dial gauges & magnetic bases; description: nthe model should have a span of 100 cm and rise 25 cm, with hinges at supports and crown. one of the end rests on rollers. along the horizontal span of the arch various points are marked at equidistant for the application of load. this being a statically determinate structure, the horizontal thrust developed under the action of any load system can be theoretically calculated and will also be measured directly by neutralizing the out word movement of the roller end. a dial gauge with 25 mm travel ( with magnetic base ) is supplied with the apparatus. napparatus must be supplied complete with a supporting stand and a set of weights. nexperimental capabilities: nto study experimentally a three hinged arch for a given system of loading and to compare the same with those obtained analytically. nto obtain the influence line ordinates for horizontal thrust experimentally in a three hinged arch and to compare the same with those obtained theoretically. n 31 deflection of beam having unsymmetrical bending. complete setup with weights, dial gauges & magnetic bases; unsymmetrical bending. ndescription: napparatus shall consists of an angle size 1” x 1” x 1 / 8” or in equivalent metric units of length 80 cm is tied as a cantilever beam. the beam is fixed at one end such that the rotation of 45o intervals can be given and clamped such that the principal axis of its cross section may be inclined at any angle with the horizontal and vertical planes. arrangement is provided to apply vertical load at the free end of the cantilever and to measure horizontal and vertical deflection of the free end. a dial gauge with 25 mm travel ( with magnetic base ) is supplied with the apparatus. apparatus should be supplied complete with a supporting stand and a set of weights. nexperimental capabilities: nto study the behaviour of cantilever beam under symmetrical and unsymmetrical bending. nto find experimentally the deflection of a cantilever beam subjected to symmetrical and unsymmetrical bending and to compare the same with those obtained analytically. n 32 length gauge n ncomplete set to determine elongation index of stone aggregate as per is : 2386, part i n 33 thickness gauge n ncomplete set to determine flakiness index of stone aggregate as per is: 2386, part i n 34 standard penetrometer n ( hand operated ) n ncomplete set to determine penetration / grade of bitumen as per is: 1203 n 35 stripping value apparatus for determination stripping value of bitumen aggregate 36 ductility testing apparatus complete set to determine ductility value of bitumen as per is:1208 37 g.i.sheet sieves ( 450 mm dia. ) complete set of g.i. sheet sieves ( 450 mm dia. ) to determine gradation as per is including aperture size: .075, 0.15, 0 .212, 0.425, 0.6, 1, 2, 2.36, 4.75, 10, 12.5, 20, 40, 80mm including cover and bottom pan 38 viscometer complete set to determine viscosity of bitumen as per is: 1206, part i 39 water bath double walled with thermostat controlled to be used in laboratory 40 sieve shaker motorized complete motorized set to shake the sieves of 200mm / 300mm 450mm size. complete motorized set to shake the sieves of 20 cm and 30 cm, 45 cm size. as per is requirement; it should be compact design and light weight and mounted on a bench top. this eliminates the use of concrete foundation. noise has been reduced considerably in the new model. a digital timer adjustable from 0 99 minutes is incorporated as an integral part of the equipment. the sieve shaker can carry upto 8 sieves of 20cm dia. it is driven by a ¼ hp geared motor. the sieve table is inclined from the vertical axis and the direction of inclination changes progressively in the clockwise direction. in addition to the gyratory motion of the table, there is a tapping motion as well. suitable for operation on 220 v, 50 hz, single phase, ac supply. along with adaptor for 30cm. 41 wire basket standard size with bulk ndensity measuring cylinder as per is 2386, part iv n 42 auto level ( 1 ) image : erect ( 2 ) magnification= 24 x ( 3 ) aperture of objective = 32 mm ( 4 ) field of view : 1°20 to 1°30 ( 5 ) shortest focussing distance : maximum 1.5 m ( 6 ) max distance for mm : 100 m ( 7 ) resolving power : 1.5 mm @ 60 m ( 8 ) stadia multiplying constant : 100 ( 9 ) stadia additive constant : 0 ( 10 ) sensitivity of level plate : 20 sec / 2 mm run ( 11 ) tribarch circular bubble: 8 min / 2 mm run ( 12 ) compensation range : 12 to 16 seconds ( 13 ) compensation accuracy : 0.3 second ( 14 ) accuracy for levelling the line of sight : ±0.8 second ( 15 ) levelling accuracy in 1 km of double levelling : ± 2 mm in 1 km ( 16 ) tripod with clamping 1600 mm ( 17 ) complete with all accessories 43 leveling staff 4m 1. telescopic, 2. made of aluminium, 3. with water proof cover 4. complete with all accessories 44 prismatic compass complete with stand 100mm 1. made of brass, size 100mm dia. 2. fitted with quality agate stone. 3. aluminum floating circle 4. graduated to read 30 minutes ( 0.5 degree ) . 5. automatic lifter 6. rreflecting mirror fitted on the sight vane. 7. slow motion type prism reader fitted with colored glasses green and red. 8. packed in pvc case. 9. supplied with aluminum tripod 10. complete with all accessories. 45 planimeter sliding bar pattern with calibration chart sliding bar pattern for measuring areas from drawings and maps complete in case with instructions 46 optical square circular type, made of brass, fitted with double reflecting mirror right and lift to 90 degree, complete in box. 47 plane table complete set with alidade, u fork, trough compass, plum bob, hand level etc . 1.750mm x 600mm made of seasoned fire wood 2. fitted with brass screws and brass washers 3. provided with seasoned teak wood battens and gun metal round plate 4. provided with metal head wooden stand and water proof cover 5. complete with all accessories 48 plane table complete set with alidade, u fork, trough compass, plum bob, hand level etc . 1.750mm x 600mm made of seasoned fire wood 2. fitted with brass screws and brass washers 3. provided with seasoned teak wood battens and gun metal round plate 4. provided with metal head wooden stand and water proof cover 5. complete with all accessories 49 measuring chain 30m as per is specification 50 measuring tape fibre ( 3x fibre plastic ) 30m 51 measuring tape fibre ( 3x fibre plastic ) 50m 52 measuring tape steel ( 13mm ) 30m 53 ranging rods 3 m aluminium ( collapsible ) ; with heavy iron shoe 54 spirit level made of brass ( 150 mm ) 55 plumb bob made of brass 56 steel arrow for survey lab purpose 57 mirror stereoscope with parallax bar etc. most improved quality, with coated lenses and silver plated mirrors, light weight, precision built, which gives excellent results, supplied in case; complete with all accessories. 58 pocket stereoscope fitted with brass slides and superior lenses. complete within canvas cover. 59 gps ( hand held ) n1. capable of showing instant longitude&latitude n2.built in barometric altimeter& electronic compass 3.battery operated : two aa size battery with 18 hours life typical. 4.color display: 256 colour tft: 2.2 x1.6 inch ( min ) 5. receiver sensitivity: high 6. accepts micro sd card ( min 2 gb included ) 7. more than 100 plus user datums 8. g sensor, e compass 9. usb cable and software for usb & serial interface, computer cable ( if any ) , user manual & other accessory; carrying case waterproof casing ( ip x 7 ) ; complete with all accessories. n...
Due Date : January 07, 2021
