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Tender For supply installation testing and commissioning of 1500 lpd horizontal solar hot water ss tan k including 3 mm thick enamel coated ms horizontal pipe solar inner thank, puf insulated and powder coat ed paint finished of gi external cladding 1 no. paint finished ms angel fabricated support stand-01 no. whic h it is suitable to existing make supreme 1500 lpd solar heating system with flat plate collectors. copy of drawing enclosed for reference. make: kamal or similar. note: a ncillary works such as terrace, plumbin g, fabrication, electrical wiring, civil works & grouting will be done departmentally. [ warranty period: 30 months after the date of delivery ]
Tender For removal of existing structural members, weldmesh partitions, ac sheet weather shed and gi sheet cladding etc. and fixing the same for replacement of power transformer no.2 at kussara rss.
Tender For procurement of equipment, instrument, machineries, tools etc. related to laboratories and workshops of mechanical, electrical, civil, chemical engineering and science and humanities departments of hooghly inst of tech. - v notch channel test section: size: 250mm wide, 180mm deep; 600mmlong.materials : made with m.s lined with fiber or s.s 304baffle and deepened entry section for steadying water supply.arrangement for 7 fixing interchangeable notches.set of three brass notchesv notch (60 , 45 ).rectangular notch, electric oven size: 24 x 24 x 24- 03 shelvesspecification: vertical model , triple walled construction: front opening door, top mounted control panel for easy access, inner wall made of stainless steel with mirror polish, outer body made of mild steel with powder coat finish electrically operated thermostat with corresponding indicators. nichrome made long lasting heating elements, high grade glass wool insulation, g.i. made wire mesh shelves with adjustable runners., adsorption isotherm apparatusmagnetic stirrer in multi-position 6 and erlenmeyer flasks with lids (125 ml. - six nos.), distillation unit 1.distillation column : material stainless steel, dia 110mm, seven sieve trays.pressure gauge: bourdon type, 0-2 kg/cm2.rotameter: for cooling water flow rate measurement.steam generator: made of stainless steel, provided with pressure gauge & level indicator, safety valve & insulated with ceramic wool and cladding with aluminium foil.reflux divider: special arrangement to change r/d ratio automatically. condenser: shell & tube type made of stainless steel.bottom product tank: made of stainless steel, capacity 5 ltrs.distillate tank: made of stainless steel, capacity 5 ltrs.heater: nichrome wire heater.temp. sensors: rtd pt-100 typecontrol panel comprises of:digital temp. controller : 0-199.9 c, for steam reboilerdigital temp. indicator : 0-199.9 c, with multi-channel switchwith standard make on/off switch, mains indicator etc.2. flow measurement: rotameter for cold water for condenserdistillation still: material- stainless steel, capacity 5 ltrs (approx.) insulated with ceramic wool and cladding with aluminum foil.condenser: concentric tube type (material- stainless steel)distillate tank: material- stainless steel, capacity 2 ltrs.heater: nichrome wire heater.control panel comprises of :digital temp. controller: 0-199.9 c, rtd pt-100 type (for steam generator)digital temp. indicator: 0-199.9 c with multi-channel switch.temp. sensors: rtd pt-100 typewith standard make on/off switch, mains indicator, set up to determine the linear expansion co-efficient of a metal rod.material of metal bar: copper, length of metal bar(total):500mm, dia: 25mm, no of thermocouples mounted on the bar:6 , no of thermocouples in the insulated shell: 2, heater: band type, cooling jacket dia:75mm, no of thermocouples:10, ammeter: 0-5amp, voltmeter: -0-300v, dimmerstate:1000w, temp indicator: 0-300oc, experimental set up of bricks/walls in series for conductivity measurementdiameter of slab:0.3 m, thickness of bakelite, wood and ms plates: 0.012 m, temp of indicator: 0-300oc, ammeter - 0-5amp, voltmeter- 0-300v,heater: mica type, dimmer state: 1000w, vacuum filtration apparatus with buckner funnel apparatus.material porcelain, for use with (application)suction filtration, product type buchner funnel, glass reciver - 2000 ml, 5000ml , (customised), grade 41 filter paper pkt/ 100, concentric tube heat exchanger apparatusinner copper tube i.d, 12.7mm. and outer g. i. pipe i. d. 15mm. approx. and 1.5m. length.2. thermometers - 4 nos.3. measuring flask - 1 lit. capacity.4. geyser-3 kw. single phase.services required-1. 220v, 15a, stabilized single-phase ac supply.2. floor area - 3m x i m x 1 m height.concentric tube heat exchanger: (a)plain tube ( water to water ):the apparatus consists of two concentric tubes. inner tube consists of copper tube through which hot water flows. while the outer tube consists of gi pipe through which cold wat
Tender For supply of solar hot water storage tank with stand : - solar hot water storage tank with stand non hp of 1200 lpd tank with stand gi 3mm thickness with epoxy coating inner surface 100 mm rock wool insulation al outer cladding 3 kw electrical heaters 3 nos , supply of 500 lpd only tank with stand g1 3mm thickness with epoxy coating inner surface area, with 50 mm puf insulation, gi outer cladding, including with 3 kw electrical heaters 2 nos. , differential control panel unit for temperature control , lifting charges , installation, testing and commissioning charges , transportation charges , collectors 24 nos. de scaling and brazing charges
Tender For supply of complete structura and construction material of atv shed 01 nos - cement opc 43 grade in hdpe bag of 50 kg each , sand coarse , aggregate 20 mm graded to be crushed rock or gravel 20mm graded , aggregate 40 mm graded to be crushed rock or gravel 20mm graded , hard core of broken stone aggregate of size 45 to 63mm , tmt bar 12 mm dia for footing reinforcement , truss pre fabricated truss made by ms hollow steel section of size 80mm x 40mm x 4mm of 6500 mm span and medium weight , column pre fabricated column made by ms hollow steel section of size 100mm x 100mm x 6mm of 3500mm long and medium weight , long purlin pre fabricated long purlins made by ms hollow steel section of size 80mm x 40mm x 4mm of 2500mm long and medium weight , end purlin pre fabricated end purlins made by ms hollow steel section of size 80mm x 40mm x 4mm of 300mm long and medium weight , side bracing pre fabricated side bracing made by ms hollow steel section of size 80 x 40 x 4 mm and 2500mm long medium weight , gable bracing pre fabricated gable bracing made by ms hollow steel section of size 80 x 40 x 4mm and 6300mm long medium weight , wind ties pre painted matching with roof tint wind tie 15 point 60 mtr long of size 40 x 5mm flat iron shall be provided , jack beam jack beam of size 100mm x 40 x 8mm shall be provided , roof sheet 0 point 60 mm thick ppgi sheet of size 14 x 3 feet as approved colour , wall cladding of 0 point 60 mm thick ppgi sheet of size 12 x 3 feet , ridge cover 0 point 60 mm thick pre coated corrugated sheet of approved colour matching with the roof sheet of size and design 3mtr long and 900 mm wide , foundation bolt 16 mm dia and 600 mm long welded with bottom anchor plate of size 250 mm x 250 mm x 10 mm and fixed with bottom base plate of column using nuts and bolts , connection nut bolt of size 12mm dia 100mm long for column and truss , nut bolt of size 12 mm dia 100 mm long with washer for purlin , nut bolt of size 12 mm dia 150 mm long with washer for bracing , anchor bolt 16mm dia 600mm long , anchor bolt plate of size 50mmx50mmx6mm , joist bolt of size 16mm dia 100 mm long with washer , self tapping screw and 100 mm pkt of 100 nos screw , self tapping screw and 75 mm pkt of 100 nos screw , star screw 75 mm dia full thread pkt of 100 nos screw , 20 watt led tube light fitting 230 v with electronic ballasts and holder and connector and block , bulk head fitting with auto rechargable led bulb18 w , modular pvc switch board 8 x 10 inch , modular switch piano and flush type 5 amp , modular dummy switch , 05 and 15 amp modular switch and socket combination , electric wire 1.5 sqmm and 1 core and cooper conductor and pvc insulated 90 mtr roll , electric wire 2 point 5 sqmm and 1 core and copper conductor and pvc insulated 90 mtr roll , pvc casing and capping of size 25 mm , pvc casing capping l bend , pvc casing capping tee bend , ceiling rose , mcb box 06 way spn , mcb 32 amp sp , change over switch 63 amp , tape insulation one and half x 15 mtr with isi mark , earthing of building will be provided using 4mm dia gi set earth wire , lightning conductor made of copper tube150cm long x 25 mm dia with five copper prongs of length 15 cm each fixed to copper ball of dia 50mm and 4mm thick with securing arrangement , solar street light 25w including pole having length 5 mtr long and 75mm dia and complete accessories , provision of fire extinguisher 6 kgs abc dry powder stored pressure type