30441059
bso engg providing sewage treatment plant ( stp ) , water treatment equipment and supply pumps for our new green office building of bihar state office patna stp & water treatment equipment and supply pump 2 section 1 : sewage treatment plant 3 mbbr based ( moving bed bio reactor follwed by ultrafiltration ) 4 design, supplying, installing, testing & commissioning of sewagetreatment plant of45 kld 5 the contractors scope of work shall also include following: 6 process flow sheet 7 hydraulic profile 8 layout of plant room within given space ( refer attached drawing ) . 9 basic and detailed drawings of structures. 10 equipment, piping, and electrical specifications. 11 piping and electrical & instrumentation drawings. 12 preparation of project report for submission to pollution controlboard and statutory authority and obtaining approvals. 13 all civil works ( including ga and rcc details ) as per of civil scope. [ civil work will be in scope of civil contractor ] 14 fabrication required in plant. 15 supply and installation of all electro mechanicals as per the scope. 16 erection and commissioning of plant. 17 performance guarantee & warrantees. 18 training of employer’s personnel for operation of the plant. 19 manual on operation and maintenance of the plant. 20 operation and maintenance of stp for two years after successful commissioning of the plant. 21 inlet sewage characterstics 22 flow rate 45 kl / day 23 ph 6.0 – 8.5 24 bod 250 350 mg / l 25 s. solids 200 300 mg / l 26 cod 400 600 mg / l 27 oil & grease 15 20 mg / l 28 tkn 35 40 mg / l 29 phospate 10 mg / l 30 note: plant should be able to operate at lower range of above parameters. 31 effluent discharge standard after treatment 32 ph 6.0 – 7.5 33 bod less than 10 mg / l 34 s. solids less than or equal to 20 mg / l 35 cod less than or equal to 50 mg / l 36 oil & grease less than or equal to 1 mg / l 37 turbidity less than 1 ntu 38 total nitrogen less than 10 mg / l as n 39 total phosphorous less than 2 mg / l as pcb 40 note: ensuring that the above parameters are within the statutory compliance limit is the responsibility of the stp contractor. 41 sewage treatment plant shall include the following stp tanks: 42 screen chamber 43 oil & grease chamber 44 equalization tank / sump 45 anoxic tank 46 mbbr tank ( 2 no. ) 47 tube settler tank 48 filter feed tank 49 clear water tank ( primary treated water ) 50 flushing water tank 51 sludge holding tank 52 soft water tank 53 sludge holding tank 54 note: contractor shall ensure submission of detailed ga drawings ( plan & section ) , p & i diagram, schematic diagram for the mentioned component in soq and additional component if so required for the complete working of the stp and got it approved by the owner’s architect / project manager / consultants. 55 tanks in civil are tentative and that need to be varified by the vendor before quoting and after comming on the board it shall be stp vendors resposibility any changes required at site and shall be in done by stp contractor. location, size and dimesional detail shall be provided by the stp vendor in the shop drawing. 56 all manhole covers shall be double seal medium duty ci alongwith frame and lockable arrangement and shall be in scope of civil contractor. location and other relevant details of the same shall be provided by the stp vendor in the shop drawing. 57 the sewage treatment plant shall comprise of following: 58 pretreatment devices and plant accessories 59 supply, installation, testing & commissioning of 300 mm x 600 mm high stainless steel construction coarse screen ( including one standby ) with lifting arrangement.the perforation in the screen shall be 8 mm. 60 supply of ms hot dip galvanized puddle flanges in accordance to bs:10 table d as required to be provided ( in the structural slab and wall ) of various diameters. puddle flanges shall be provided for all the structural component of the stp. the installation of the puddle flanges shall be carried out by the civil contractor in accordance to the civil ga drawing ( to be prepared by the stp contractor ) at the required levels& position; under the supervision of the stp contractor 61 supply of plastic step / foot rest ( @ 300 mm c / c ) with polypropelene compound injection molded around 12 mm dia ( fe 415 ) steel reinforcing bar. provision of the foot rest is envisaged in various tanks / components of the stp for the purpose of accessability. the installation of the foot rest shall be done by the civil contractor as per civil ga drawing 62 supply, installation, testing & commissioning of cilight duty / msep rectangular manhole cover with frame for the feasibility of access in the tank 63 size : 600 x 900 weight as per mfg. stds. 64 supply of vent pipes of 100 mm dia vent pipe with mosquito proof grating for treated water tank suitable for the ventilation purpose of the various tanks 65 supply, installation, testing & commissioning of electronic type level controller for automatic operation of the system with high / low level alarm complete with auxillary no / nc contacts for ( to be provided for all the tanks and plant room sump ) 66 supply, installation, testing & commissioning of sight tube ( of 3.5 to 4.5 m length ) with isolation valve at top / bottom, demarcation on tube & for making the installation complete for treated water tanks. 67 supply of submersible mixer for mixing in anoxic tank: 68 moc: pp / ss blades with ci / ss casing 69 mechanical equipment: pumps, blowers etc. 70 supply, installation, testing & commissioning of non clogging type pumps capable of handling solids upto 35 mm having ci casing & ci impeller complete with all accessories, motor of required capacity. delivery header with isolation valve, pressure gauge on delivery line with isolation cock, level controller as per item no. 1.7 along with control panel ( with wiring ) to control the level of sump automatically. pumpsshall have following duty: the provsion of local push button near the pumps should be considered. 71 submersible sewage pumps ( non cutter type ) for transfer of raw sewage in eqt ( 1 working & 1 standby ) : 72 flow rate ( each ) = 3 m3 / hr 73 head =8 10m 74 solid handling size for this pump = 20mm 75 submersible sewage pumps ( non cutter type ) for transfer of stp plant room sump tank ( 1 working + 1 standby ) 76 flow rate ( each ) = 3.0 m3 / hr 77 head =12 15 m 78 solid handling size for this pump = 20 mm 79 cost shall be inclusive of pvcflexible hose pipe ( for piping submreged in effluent ) with pvc / gipiping ( for piping non submerged in effluent ) 80 provision of guide ropes to guide submersible pump from upper level to operational level in sump basin with channels / angle section shall be made by the stp contractor. ( if required ) 81 air diffusionsystemshall include the following: 82 air blower for equilisation , sludge tank & aeration tank : air blowers of suitable hp suitable for 415 ± 10% volts, 3 phase, 50 cycles a / c supply. numbers & capacity as per requirement with standby to be specified by vendor. capacity: 100 m3 / hr @ 0.4 kg / cm2 qty ( 1w+1s ) 83 air piping shall comprise of pvc pipedroppers / laterals with gi header complete with all fittings such as valves, nrv, strainer, tees, crosses, plugs, sockets, elbows, reducers, supports & clamps, puddle flanges etc. contactor to submit detailed p & i indicating their proposal. 84 non clog, self cleaning type air dispersion system capable of handling 3 5 cfm of air with oxygen transfer efficiency of3 4% per / meter water depth. air dispersion grid shall be assembled in modular form so that they can be replaced / repaired easily from plat form at the top. ( imported fine bubble membrane diffusers ) . 85 supply, installation, testing & commissioning of mbbr media consisting of virgin pe / pp carrier modules with surface not less than 400 m2 / m3. the media qty. shall be calculated based on 6 12 gm / m2 area. also supply and fixing of tube deck media of reputed make with suitable quantity. the surface area of tube deck shall be 11 m2 / m3 and the quantity will be based on max 2.0 m / h velocity. 86 note: contractor shall consider the media as required for the stp and include in his quote. 87 bronze ball valve and air dispersion grid as required for stp as described above. 88 note : air dispersion system shall be provided for equalization tank, anoxic tank, mbbr tanks and sludge holding tank. 89 providing and fixing all piping ( as described below ) and isolation control valves for making the system complete. 90 ms: exposed air pipe, frontal pipe for vessels 91 upvc piping: waste water pipe, submerged pipe, interconnecting pipe line afterdelivery header of pumps, tank overflow pipe etc. 92 providing, fixing, testing and commissioning of single stage, horizontal, centrifugal, 2 pole, 50 hz, ac, monoblock pumps ( as per is : 9079 ) incorporating c.i. casing and frame, stainless steel shaft, bronze / ss impeller, tefc induction motor directly coupled to the pump, ip44 protection, class b insulated, c.i. body, hydraulically and dynamically balanced to give vibration free operation, with mechanical seal arrangement, fixed on a base plate with suitable vibration eliminator pads complete with level controller, pressure switch , necessary wiring / cabling ( from tank to pumps & panel ) , pressure gauge, valves, vibration eliminators on the delivery side and strainer on suction side, including non return valve and isolating valves on suction and delivering sides as required, including suction, delivery headers and interconnecting piping ( upvc ) complete in all respects. 93 capacity : 6.0 m3 / h 94 head : 30 35 m 95 rpm : 2900 96 ( 1 working + 1 standby ) 97 ( filter feed pumps ) 98 capacity : 5.0 m3 / h 99 head : 70 m 100 rpm : 2900 101 ( 1 working + 1 standby ) 102 ( flushing water transfer pumps ) 103 capacity : 7 m3 / h 104 head : 35 m 105 rpm : 2900 106 ( 1 working + 1 standby ) 107 ( softner feed pumps ) 108 capacity : 10.0 m3 / h 109 head : 70 m 110 rpm : 2900 111 ( 1 working + 1 standby ) 112 ( soft water transfer pumps ) 113 capacity : 3.0 m3 / h 114 head : 25 30 m 115 rpm : 2900 116 ( 1 working + 1 standby ) 117 ( irrigation pumps ) 118 supplying, installation, testing and commissioning of horizontal centrifugal sludge recirculation pumps for tank coupled with motor of capacity 3.375 m3 / h at 6 to 8 m head of c.i. parts and mechanical seal complete with isolation and non return valves. ( 1 working + 1 standby ) 119 supply, installation, testing & commissioning of vertical self supporting multigrade sand filter in frp / grp construction ( the filter shall be designed for a tested presure of min. 5.5 kg / cm2 ) pressuregaugesatinlet&outlet, sample cock, upvc / cpvc face piping, automatic mpv along with prvision for manual multiport valve andallaccessories, withinitialchargeoffiltermediafor multigrade & activated carbon filter, testing and commissioning complete 120 multi grade filter 121 capacity / flow rate:6.0 m3 / hr 122 design velocity:15 m / hr 123 operating pressure :3.0 to 3.5 kg / sq.cm 124 test pressure:5.5 kg / sq.cm 125 suggested dia meter : 700mm ø 126 moc: frp / grp ( filament winded ) 127 activated carbon filter 128 capacity / flow rate:6.0 m3 / hr 129 design velocity:15 m / hr 130 operating pressure :3.0 kg / sq.cm 131 test pressure:5.5 kg / sq.cm 132 suggested dia meter : 700mm ø 133 activated carbon :i / vshould be 600 134 moc: frp / grp ( filament winded ) 135 softener 136 supply, installation, testing and commissioning of water softening plant. the water softener vessel in frp / grp construction ( the filter shall be designed for a tested presure of min. 5.5 kg / cm2 ) pressuregaugesatinlet&outlet, sample cock, upvc / cpvc face piping, automatic mpv along with prvision for manual multiport valve andallaccessories, withinitialchargeofion exchange resin. the inner distribution system and the under bed draw off system shall be of hub & lateral type with top & bottom strainers of . softener shall be supplied with initial charge resin with supporting media like silex, gravel etc. outlet fitting complete along with regeneration assembly comprising of ejector, brine suction valve and all associated pipe work. 137 the brine tank shall be provided with salt saturation arrangement including suitable hdpe brine tank of300 liters / as per design capacity complete including piping, cpvc / upvc valves and accessories of required size. 138 softener size: 139 flow rate : 7 m3 / hr 140 input hardness considered 600 ppm ( considered ) 141 output hardness less than 50 ppm 142 moc frp / grp ( filament winded ) 143 obr 50 kl 144 operating pressure 3.0 kg / sq.cm 145 test pressure 5.5 kg / sq.cm 146 size: 700 mm dia x 1800 mm hos with 500 liters resin 147 supplying, installing, testing and commissioning of dosing system consisting of one hdpe tank of 100 litres capacity with a positive displacement diaphragm dosing pump having variable flowrate of 0 6 lph. the motor shall be suitable for operation at 240 v / single phase / 50 hz. supply. the pump shall be supplied complete with necessary polypropylene piping, valves, strainers, low level switch andinjection fittings. the pump shall be speed & stroke control. 148 providing, installing, testing and commissioning ofskid mounted ultra filtration ( uf ) system for further polishing treated effluent and capable of producing 8 m3 / hour of polished water meeting the requirements. the system shall be complete with uf feed pumps ( 1w+1s ) , backwash cum cip pumps ( 1w+1s ) , cartridge filter, uf membranes flushing / cleaning system, complete instrumentation for automation and monitoring, rotameters, pressure gauges, interconnecting pipework, electrical cabling and switchgear, all complete as described in scope of work enclosed herewith.note: the process and the control system of ultra filtration ( uf ) package shall be in complete conformity of the uf membrane manufacturer. the complete system of ultra filtration including its skid, mmembrane, piping, pumps, automation valves must be factory assembled by the approved system makes only. 149 supplying, installing, testing & commissioning of ultravoilet dis infection unit. the unit shall have over 99.9 % bacterial reduction from inlet to outlet. the dis infection chamber shall be constructed of ss 316l on all welted parts. the uv lamp shall be of low pressure mercury vapour type with hard glass enclosure, the sockets shall be water tight & vibration resistant. the lamp life shall be rated for 6000 hours. the unit shall be complete with temperature safety control, lamp out alert circuit & uv radiometer with 4 – 20 ma output. 150 the uv unit shall have with reactor, cabinet housing, cabinet cooling, treatment chamber, electrical panel, temperature safety control, lampout alert and uv monitoring readout panel.the uv dosage should be > 60, 000 uw – sec / sq.cm. the lamps should be selected based upon the flow requirement of respective unit. 151 flow rate : 3 m3 / hour [ at outlet of irrigation water transfer pumps ] 152 flow rate : 5 m3 / hour [ at outlet of flushing water transfer pumps ] 153 flow rate : 10 m3 / hour [ at outlet of soft water transfer pumps ] 154 supply , installation , testing and commissioning of hydraulic filter press of size 12 x 12 with 7 no of plates with 1 set ( 1 working + 1 standby ) of screw pumps to feed to filter press as per the complete set as per the vender specification 155 supply of microprocessor based electo magnetic flow meter for total plant capacity of 45 kld with pulsed dc excitation having automatic zero correction with bi directional flow measurement , compact instrument version with measuring sensor ( primary ) and amplifier integrated in one mechanical unit ( suitable for required flow range, inlet / outlet connections, ip 67 protection, measuring pipe material ss 304, electrode material ss 316 with 16 character x 2 lines lcd alphanumeric display for flow rate, totalizer, diagnostic message, flow alarms with high & low flow programmable throught the range. ) with all accessories for inlet flow measurement before screen chamber. 156 supply, installation, testing & commissioning of digital turbine type water meter with sensor for treated water monitoring 157 flow rate : 3 m3 / hour [ at outlet of irrigation water transfer pumps ] 158 flow rate : 5 m3 / hour [ at outlet of flushing water transfer pumps ] 159 flow rate : 10 m3 / hour [ at outlet of soft water transfer pumps ] 160 approval from pollution board including consent to operate at initial & various other stages of works including preparation of report / drawings as per pollution board requirement, arrangement of raw sewage. contractor shall include the cost of all chemicals consumed and the cost of such items of works which are not explicitly mentioned above, but are mandatory to have pollution board approval. 161 bypass arrangement from equalization tank to municipal sewer includingfittings, isolation valves / nrv / accessories within the plant room at the discharge of the sewahe bye pass pump upto discharge header. 162 providing & fixing of online monitoring system comprising of following : 163 measuring range: as required 164 method: uv / visible different optical absorption spectroscopy, wave length range 200 800 nm. 165 technology : uv visible spectroscopy 166 sample flow: 0 5 lpm 167 power: 230v ac, 30 w 168 range ( cod ) : 0~5~200 mg / l 169 interval: 60 sec 170 probe depth: < 10 m 171 working temp: 5 deg cel ~ 45 deg cel 172 auto cleaning: yes 173 probe weight: 5 kg 174 power supply: 12 24vdc ( + / 10% ) 175 sample temperature: plus 2…..........plus 40 deg cel 176 ambient temperature: plus 2…..........plus 40 deg cel 177 inflow velocity:0.1 10 m / s 178 mild steel fabrication works for various sections like operating platforms, stairs & ladders, base frame of tube settler media ( including frp / resin coat ) supporting strcutures within the stp plant room required for the stp piping supports / cable tray supports. all ms fabricated structures must be properly painted with epoxy or rubber coats for corrotion protection after having put 2 coats of redoxide primer. 179 electrical installation for stp 180 design, fabrication, assembling, wiring, supply, installation, testing and commissioning of motor control center fabricated out of 14 gauge crca sheet steel. cable gland plates shall be provided on top as well as at the bottom of the panels. panels shall be treated with all anticorrosive process before painting as per specifications with 2 coats of red oxide primer and final approved shade of powder coated paint. 2 nos. earthing terminals shall be provided for 3 phase, 4 wire, 50 hz supply system. lifting hooks shall also be provided in case of large panels. approval shall be taken for each panel before fabrication. quoted rates shall be inclusive of cables, ( in accordance to cable trays specification ) with earthing from panel to each motor / equipment. 181 motor control centre : 182 incoming 183 63 amps tpn mccb with the following accessories: 184 0 500 volts 96 x 96 mm square electronic voltmeter with selector switch shall be protected by2 amps tp mcb.1 set 185 0 60 amps 96 x 96 mm square electronic ammeter with selector switch and 100. / 5 amps 10 va cl:1 cts. 1 set 186 phase indicating lamps shall be protected by 2 amp sp mcb 3 sets 187 1 set of on / off indication lamps 188 bus bar 189 100 amps tpn aluminum bus bar with heat shrinkable insulation sleeves. 190 outgoing 191 a. 2 nos. suitable rating mpcb for 0.75 kw dol starter and outgoing feeder to raw sewage transfer pumps motor ( including 1nos. standby ) .each compartment shall contain auto / manual selector swtich and indicating / pushbutton lamps with mcb for on / off / trip of motor. 192 b. 2 nos. suitable rating mpcb for 0.75 kw dol starter and outgoing feeder to plant room sump pumps motor ( including 1nos. standby ) .each compartment shall contain auto / manual selector swtich and indicating / pushbutton lamps with mcb for on / off / trip of motor. 193 c. 2 nos. suitable rating mpcb for 3.75 kw direct on line starterand outgoing feeder to air blowers ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch andindicating lamps with mcb’s for ‘on / off / trip status of motor. 194 d. 2 nos. suitable rating mpcb for 0.375 kw direct on line starter and outgoing feeders to sludge recirculation pumps ( including 1 no. standby ) . compartment shall contain auto / manual selector switch andindicating lamps with mcb’s for‘on / off / trip’ status of motor. 195 e. 2 nos. suitable rating mpcb fornos. 1.1 kw direct on line starter and outgoing feeders to filter feed pumps ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor. 196 f. 2 nos. suitable rating mpcb fornos. 1.1 kw direct on line starter and outgoing feeders to softener feed pumps ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor. 197 g. 2 nos. suitable rating mpcb fornos. 1.1 kw direct on line starter and outgoing feeders to uf feed pumps ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor. 198 h. 2 nos. suitable rating mpcb fornos. 2.2 kw direct on line starter and outgoing feeders to uf backwasg cum cip pumps ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor. 199 i.2 nos. suitable rating mpcb fornos. 1.1 kw direct on line starter and outgoing feeders to irrigation water transfer pump ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 200 j.2 nos. suitable rating mpcb fornos. 2.2 kw direct on line starter and outgoing feeders to flushing water transfer pump ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 201 k.2 nos. suitable rating mpcb fornos. 3.0 kw direct on line starter and outgoing feeders to soft water transfer pump ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 202 l.2 nos. suitable rating mpcb fornos. 0.75 kw direct on line starter and outgoing feeders to screw pumps ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 203 m. supply for dosing pumps, uvs, necessary cable alleys, internal / cabling, wiring, cabling from mcc to various pumps / equipment and interlocking, gi cable trays earthing for all equipment shall also included. 204 all mccbs / mcbs shall be of 25 kabreaking capacity and suitable for motor duty application. 205 all motor starters shall be provided with automatic level controller. 206 provision shall be made for providing potential free contacts to all pumps starters 207 note: ratings of all starters may vary as per actual selection of equipment & should be approved by consultant before manufacturing 208 mcc – 1 for stp as described above 209 section 2 : water treatement equipment & supply pumps 210 providing, fixing, testing and commissioning of single stage, horizontal, centrifugal, 2 pole, 50 hz, ac, monoblock pumps ( as per is : 9079 ) incorporating c.i. casing and frame, stainless steel shaft, bronze / ss impeller, tefc induction motor directly coupled to the pump, ip44 protection, class b insulated, c.i. body, hydraulically and dynamically balanced to give vibration free operation, with mechanical seal arrangement, fixed on a base plate with suitable vibration eliminator pads complete with level controller, pressure switch , necessary wiring / cabling ( from tank to pumps & panel ) , pressure gauge, valves, vibration eliminators on the delivery side and strainer on suction side, including non return valve and isolating valves on suction and delivering sides as required, including suction, delivery headers and interconnecting piping ( g.i. heavy class ) complete in all respects. 211 capacity : 7.5 m3 / h 212 head : 70 m 213 rpm : 2900 214 ( 1 working + 1 standby ) 215 ( domesticwater transfer pumps ) 216 submersiable pump 217 supply, installation, testing and commissioning of continuous duty submersible centrifugal non clogging drainage pumps complete with 3 phase motor with all necessary protection and mechanical seal etc. complete with all ancillaries including float type level controllers, electrical control panels fabricatd from 14 gauge crca sheet volt meter ammeter with selector switch, tpmcb, 5 va cl : cts, phase indicating lamps protected by 2 amp sp mcb, dol starter, necessary wiring, cable alleys, earthing, interlocking, starter with automatic float type level controller, providion of high level alarm, sequence timer, potential free contact to starter for connection to bas, both pumps may run simultaneously at pre determind level. the submersible sump pump shall be provided with guide wire for lifting and lowering pump, m.s. galvanized lifting chain, duck foot bend. ( 1working + 1standby ) 218 vendor to submit proposed pump model with duty curve. 219 flow rate: 15 lps each 220 head: 15 20 mts 221 solid handling : 30 40 mm 222 location : basment 223 purpose : drainage basment 224 moc:ss body ss impeller & shaft 225 flow rate: 10 lps each 226 head: 15 20 mts 227 solid handling : 20 30 mm 228 location : basment 229 purpose :plant room 230 moc:ss body ss impeller & shaft 231 flow rate: 2 lps with cutterpump 232 head: 15 20 mts 233 location : basment 234 purpose : basement toilet sewage pump 235 moc:ci body bronze impeller & shaft 236 providing, fixing, testing and commissioning of single stage, horizontal, centrifugal, 2 pole, 50 hz, ac, monoblockpumps ( as per is : 9079 ) incorporating c.i. casing and frame, stainless steel shaft, bronze / ss impeller, tefc induction motor directly coupled to the pump, ip44 protection, class b insulated, c.i. body, hydraulically and dynamically balanced to give vibration free operation, with mechanical seal arrangement, fixed on a base plate with suitable vibration eliminator pads complete with level controller, necessary wiring ( from tank to pumps & panel ) , pressure gauge on the delivery side and strainer on suction side, including non return valve and isolating valves on suction and delivering sides as required, including suction and delivery headers complete in all respects. 237 filter feed pump ( 1 working + 1 standby ) 238 flow rate ( each ) =3.75 m3 / hr 239 head =30 35 m 240 purpose : raw to domestic 241 location : plumbing plant room 242 filter feed pump ( 1 working + 1 standby ) 243 flow rate ( each ) =3.75 m3 / hr 244 head =30 35 m 245 purpose : rain waterto raw 246 location : plumbing plant room 247 supply, installation & testing and commissioning of vertical floor mounted filterof suitable size, provided with an inlet distributor. the vessel material of m.s with frp lining / epoxy coating with g.i. frontal piping , inter connection, suction & delivery header and valves ( c.i. ) , back wash system & filter media etc. complete with standard fittings like access cover, pressure gauge at inlet & outlet, sampling cock, rinse drain valve, air vent valve with piping, bolts, nuts & rubber gaskets. 248 note: all the frontal piping, valves and their fitting should be designed on 1.5m / s velocity 249 multi grade filter 250 capacity / flow rate:3.75 m3 / hr 251 filteration rate : 18000 l / sqm / hr 252 operating pressure :3.0 kg / sq.cm 253 test pressure:5.5 kg / sq.cm 254 purpose : raw to domestic 255 moc m.s. with frp linning 256 activated carbon filter 257 capacity / flow rate:3.75 m3 / hr 258 filteration rate : 15000 l / sqm / hr 259 operating pressure :3.0 kg / sq.cm 260 test pressure:5.5 kg / sq.cm 261 purpose : raw to domestic 262 moc m.s. with frp linning 263 multi grade filter 264 capacity / flow rate:3.75 m3 / hr 265 filteration rate : 18000 l / sqm / hr 266 operating pressure :3.0 kg / sq.cm 267 test pressure:5.5 kg / sq.cm 268 purpose : rain waterto domestic 269 moc m.s. with frp linning 270 softener 271 supply, installation, testing and commissioning of water softening plant. the water softener vessel shall be constructed of m.s material with epoxy coating. the inner distribution system and the under bed draw off system shall be of hub & lateral type / riser tube with top & bottom strainers of . softener shall be supplied with initial charge resin with supporting media like silex, gravel etc. the softener shall be complete with pressure gauge at inlet & outlet, sample cock, g.i face piping / interconnected piping, multiport valve ( control valve ) . overflow & drain, outlet fitting complete regeneration assembly comprising of power valve, ejector, brine suction valve and all associated pipe work. a density meter for brine shall be included. 272 salt saturation arrangement: 273 the brine tank shall be provided with salt saturation arrangement including suitable hdpe brine tank of 2 regeneration capacity complete with resins of approved quality and make complete with bypass arrangement including piping, ci valves ( 3 nos. ) and accessories of required size. 274 plant sizes: 275 capacity / flow rate 3.75 m3 / hr 276 input hardness considered 600 ppm ( considered ) 277 output hardness less than 150 ppm 278 moc ms with epoxy 279 obr 30 kl 280 operating pressure 3.0 kg / sq.cm 281 purpose : rain waterto domestic 282 test pressure 5.5 kg / sq.cm 283 supplying, installing, testing and commissioning of dosing system ( for domestic water treatment plant ) consisting of one hdpe tank of 100 litres capacity with a positive displacement diaphragm dosing pump having variable flowrate of 0 6 lph. the motor shall be suitable for operation at 240 v / single phase / 50 hz. supply. the pump shall be supplied complete with necessary polypropylene piping, valves, strainers, low level switch andinjection fittings. the pump shall be speed & stroke control. 284 electrical installation 285 fabrication, wiring, supply of motor control centre shall be fabricated out of 14 gauge crca sheet steel in form in 3b formation with reinforcement of suitable size angle iron, channel ‘t’ sections irons and / or flats wherever necessary. cable gland plates shall be provided on top as well as at the bottom of the panels. panels shall be treated with all anticorrosive process before painting as per specifications with 2 coats of red oxide primer and final approved shade of powder coated paint. 2 nos. earthing terminals shall be provided for 3 phase, 4 wire, 50 hz supply system. lifting hooks shall also be provided in case of large panels. approval shall be taken for each panel before fabrication. cadmium plated hardware shall be used in fabrication of panels. quoted rates shall inclusive of cables, cable trays, control cabling, earthing ( in accordance to specification ) with earthing from panel to each motor / equipment. 286 mcc –1 for plumbing system 287 incoming 288 100 amps tpn mccb with the following accessories: 289 a. 0 500 volts 96 x 96 mm squarevoltmeter with selector switch protected by2 amps tp mcb. 1 set 290 b. 0 100 amps 96 x 96 mm square ammeter with selector switch and 160 / 5 amps 10 va cl:1 cts. 1 set 291 c. phase indicating lamps protected by 2 amp sp mcb 3 set 292 bus bar 293 160 amps tpn ( 25 ka ) aluminium bus bar with heat shrinkable insulation sleeves. 294 outgoings 295 a.2 nos. suitable rating mpcb fornos. 3.0kw direct on line starter and outgoing feeders to domestic watertranfer pump ( including 1 no. standby ) . each compartment shall contain auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 296 b. 2 nos. suitable rating mpcb for 1.5 kw dol starter and outgoing feeder to filter feed pump motor ( including 1 nos. standby ) .each compartment shall contain vaf meter, auto / manual selector swtich and indicating / pushbutton lamps with mcb for on / off / trip of motor. ( raw to domestic ) 297 c. 2 nos. suitable rating mpcb for 1.5 kw dol starter and outgoing feeder to filter feed pump motor ( including 1 nos. standby ) .each compartment shall contain vaf meter, auto / manual selector swtich and indicating / pushbutton lamps with mcb for on / off / trip of motor. ( rain water to raw ) 298 d.2 no. suitable mccb for 5.0 kw outgoing feeders to borewell starter panel. each compartment shall contain vaf meter, auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor 299 e.2 no. suitable mccb for 3.0 kw outgoing feeders to basementsump pump panel. each compartment shall contain vaf meter, auto / manual selector switch and indicating lamps with mcb for ‘on / off / trip’ status of motor ( 1 working and 1 standby ) 2 set 300 f. spare mcb’s of following capacities: 301 i. 40 amps tpn mcb’s 2 nos. 302 ii. 63 amps tpn mcb’s 2 nos. 303 a. all mccbs shall be of 25 ka breaking capacity and suitable for motor duty application. 304 b. provision shall be made for providing potential free contacts to all pumps starters for connection to bas 305 c. provision shall be made to ensure system protection from dry running of the pump 306 d. necessary cable alleys, internal wiring, and interlocking, earthing for all equipment shall also included 307 mcc 1for plumbing system as described above....
Due Date : January 12, 2022
Tender Value : ₹ 1.15 Crore
