REPAIR AND MAINT OF STP AND CONNETED ITEMS AT AF STN UTARLAI

Amount

Supply only Sodium Hypo chlorite solution (liquid chlorine) having 10% chlorine content in sealed HDPE container confirmed to IS code

Supply only Poly Electrolyte (PE) in sealed bag confirmed to IS code

Supply only Poly Aluminium Chlorite (PAC) 10% content in sealed HDPE container confirmed to IS code

Supply only the following items for reparing of main operating control panel at STP:-

Power contactor 415V, 32A, integrated auxillary contacts as per existing size suitable for mounting in the existing din rail

Power contactor 415V, 7.5 KW, 10 HP with integrated auxillary contact block 415V, 3.6 A as per existing size suitable for mounting in the existing din rail

Power contactor 415V, 4 KW, 5 HP with integrated auxillary contact block 415V, 3.6 A as per existing size suitable for mounting in the existing din rail

Preparation of old painted steel surfaces of panel body of any size incl scrapping old paint, denting and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-charge.

M&L for complete removal of existing paint of Elect motor with pump including base frame and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-charge.

Supply and fix in replacement of pressure gauge air water meter of pressure range 0-10 kg/Sqcm complete all as specified and directed by Engineer-in-charge.

S&F in replacement Digital type Voltmeter 96mm x 96mm, of range 0-500 volts, class -1, incl internal wiring with 1.0 sqmm single core PVC wire etc complete all as specified & as directed by Engineer-in-charge

S&F in replacement Digital type Ammeter 96mm x 96 mm, single phase,as suitable range, class -1, incl internal wiring with 1.0 sqmm single core PVC wire etc complete all as specified & as directed by Engineer-in-charge

Supply and fix in replacement of sheet metal enclosure made of MS sheet 3.15mm thick dust proof outdoor type factory made size 45cmx30cmx15cm front openable with locking arrangement, incl painting with two coats of synthetic enamel paint over a coat of red oxide primer, providing opening for cable entry and exit. The enclosure should be fastening with stud bolts, nuts and washer over the wall etc with 12 way terminal block suitable for fixing 16 Sqmm aluminium cable, mounting accessory for terminal block complete including taking down old enclosure all as specified and directed by Engineer-in-Charge.

M&L for laying as in replacement of MS pipe 80mm bore medium grade including cutting, welding and fabricating to match as per existing shape including necessary flange, bend, tee, reducer, including nuts, bolts, washers inclusive of one primer coat, two coat of synthetic enamel paint over the pipe all as directed by Engr-in-Charge

M&L for laying as in replacement of MS pipe 100mm bore medium grade including cutting, welding and fabricating to match as per existing shape including necessary flange, bend, tee, reducer, including nuts, bolts, washers inclusive of one primer coat, two coat of synthetic enamel paint over the pipe all as directed by Engr-in-Charge

M&L for laying as in replacement of MS pipe 150mm bore medium grade including cutting, welding and fabricating to match as per existing shape including necessary flange, bend, tee, reducer, including nuts, bolts, washers inclusive of one primer coat, two coat of synthetic enamel paint over the pipe all as directed by Engr-in-Charge

M&L for laying as in replacement of MS pipe 200mm bore medium grade including cutting, welding and fabricating to match as per existing shape including necessary flange, bend, tee, reducer, including nuts, bolts, washers inclusive of one primer coat, two coat of synthetic enamel paint over the pipe all as directed by Engr-in-Charge

Cleaning of sewage MBBR Reactor, No-01&02 tube settler by using water jet spray machine to remove the sludge deposits on the interior surface of the reactor, in tube settler, in drain etc

Chemical analysis test (COD / BOD) for treated effluent from recognized / authorized testing laboratory as and when recommended by the Engineer - in- charge.

M & L for rewinding of 3 phase electric non clog submersible motor of capacity 10 HP capacity with super enameled copper conductor of same guage weight and turns to achieve its full efficiency including tying the windings and connecting the coils and bringing the connections as that of exisitng complete including replacement of worn out/unserviceable bearings and water seal etc, re-conditioning of shaft by metal filling, grinding, finishing all as specified and directed by the Eng-in-Charge. Note: (i) The rate of transportation of pump motor from site to workshop and back is deemed to be included in the rate quoted by contactor. (ii) The rent of T&P for handling the pump motor assembly during dismantling, refixing, commissioning and testing is deemed to be included in the rate quoted by contatcor. (iii) The rate for disinfecting/chemical wash of the pump before opening the motor for repairing at workshop is deemed to be included in the rate quoted by contractor.

M & L for rewinding of 3 phase electric motor of capacity 3 HP capacity with super enameled copper conductor of same guage weight and turns to achieve its full efficiency including tying the windings and connecting the coils and bringing the connections as that of exisitng complete including replacement of worn out/unserviceable bearings and water seal etc, re-conditioning of shaft by metal filling, grinding, finishing all as specified and directed by the Eng-in-Charge. Note: (i) The rate of transportation of pump motor from site to workshop and back is deemed to be included in the rate quoted by contactor. (ii) The rent of T&P for handling the pump motor assembly during dismantling, refixing, commissioning and testing is deemed to be included in the rate quoted by contatcor. (iii) The rate for disinfecting/chemical wash of the pump before opening the motor for repairing at workshop is deemed to be included in the rate quoted by contractor.

M&L for Top up FAB (Fluidized aerated bed reactor) 20mm x 16mm media of Aeration 1 & Aeration 2 all as directed by Engr-in-Charge.

M&L as in replacement of air flow meter of capacity 72 to 225 Cubic Mtr/Hr for compressor all as directed by Engr-in-Charge.

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 100 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 150 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

Dismantling and taking out defective unserviceable butterfly valve and replacement with new butterfly valve 200 mm bore incl. jointing with MS nuts, bolts packing, minor adjustment complete all as specified and directed

M& L for repairing of tube settler with cement and block masonery work while installing MS pipe at the the end of tube settler for easy flow out of sludge. Note : Rates quoted including cleaning of sludge comes out while installing the pipes or butterfly valve.

M&L for MS framed work as in gates,grit and channel of angle or other section with gusset plates,rails,braces, etc , complete ,drilled for fixing of steel sheeting or other covering, and covers of valve chambers etc fabricated from structural steel incl nuts,bolts,welding, bending, drilling etc complete all as directedincl painting over a coat of red oxide including dismentaling of old rusted MS work all as directed by Engr In Charge.

M&L for complete removal of existing paint of pipeline upto 350mm dia pipe and applying two coats of spray paint using synthetic enamel paint over a coat of Red oxide primer on base of pipe complete all as specified and directed by Engineer-in-charge.

Devi Engineeing (BID ID -3456804)