MAINT AND REPAIRS TO SEWAGE PUMPS, AIR BLOWERS AND DOSING PUMPS ALONG WITH CONNECTED MISC ITEMS FOR STPS AT AFS BIDAR

Amount

Lifting and taking out the sewage submersible pump set and motor of capacity 10 to 15 HP including column pipe by dismantling nut bolt washers and rubber packing etc including disconnecting of submersible cable complete from the sewage sump /well and lowering back the pump after repairing /removing the sludge from the pump including making electrical connection with the existing panel /starter and connecting the complete the column pipe assembly with nut bolts, washers/ packing to the existing header without any leakage complete all as specified and as directed. Note :- Rate are deemed to be include for jointing of Submersible Cable , reconnecting the delivery pipe line of submersible pump sets to water mains , testing for satisfactory running & continuous flow of water complete.

All as per item No. 1 desribed here in before but of capacity 5 HP to 7.5 HP complete all as specified and as directed .

Electric arc welding at places like flanges/pipe line, joints , strip of clarifier tank, approach ladder to aeration tank etc complete all as specified and as directed .

Taking out and rewinding to Submersible motor by removing burnt copper winding, cleaning the casing & slots with wire brush ,washing with pressure water & shall be dried and rewinding the motor using required gauge of super enameled copper winding wire, varnishing and stamping and overhauling etc. making the winding leak proof, Capacity of motor 10 HP to 15 HP complete all as specified and as directed .

All as per Item No 4 but 5 to 7.5 HP Capacity

Repairing and testing of pump centrifugal / mono block / non clogging upto 5 to 12.5 HP of any make and type including welding work, rotor turning and balancing, re-metaling of shaft bush bearing, keys, mechanincal seal, SS shaft impeller and other such accessories etc required to make pump functional and testing on load complete all as specified and as directed .

Rewinding of electric motor upto 5 HP to 7.5 HP 50 Hz 400 / 415 volts of mono block / centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed

Rewinding of electric motor 12.5 to 15 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes, varnishing and stamping and overhauling, making the winding leak proof etc. and other accessories etc required to make motor functional and testing on load complete all as specified and as directed .

Rewinding of electric motor 20 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enameled copper winding wire including bearing bushes, varnishing and stamping and overhauling, making the winding leak proof etc. and other accessories etc required to make motor functional and testing on load complete all as specified and as directed .

Disconnecting and taking down treated sewage transfer pump set up to 15 HP horizintal type and replacement of burnt copper winding, cleaning the casing & slots with wire brush and washing with pressure water & shall be dried and rewinding the motor using required gauge of super enameled copper winding wire including bearing bushes, mechanical seal rotor tunring & balancing, shaft SS impeller varnishing and stamping and overhauling etc,making the winding leak proof and re-assembling and fixing the pump set complete in the same location and testing complete all as specified and as directed .

Dismantling and taking up unserviceable sewage feed pump screw type pump sets from foundations after disconnecting electric and water connections and cleaning the screw rotors, greasing the bearings by opening nut-bolts & washers at site and reassembling the same after necessary work complete all as specified and as directed.

Servicing of air blower of capacity upto 300 m³/Hr, 1790 RPM with positive displacement type twin lube root blower with Motor of 7.5 HP to 15 HP capacities, including Opening the blower motor blower shaft, shaft Key ways, shaft holes etc and replacing the gland packing, gland nuts, coupling, replacement of oil seal & oil and rewinding of blower motor with super enameled copper winding wire as per existing size including re-fixing the same to the original position and commissioning testing complete all as specified and as directed.

S & F in replacement of Air blower belt as per existing size complete all as specified and as directed. .

S & F in replacement of pressure guage 4" dia, 0-21 Kg/cm2 rating complete all as specified and directed.

Supply fixing , testing and commissioning in replacement of 0-6 LPH electrically operated, metered, adjustable dosing pump with accssories including lead tubing , connecting nuts injection check valve with 60 ltr PE/ FRP tank fitted with agiatator with PE/FRP/HDPE lid and level gauges, mounted on tank complete all as specified and directed.

Carrying out sample testing of sewage water as per relevant IS of STP and submission of detailed test report to the office of the Engr-in-charge and testing in Govt approved laboratory as approved by GE. Note :- (i) Carry out minimum essential testing of sewage water as per relevant IS mandatory for chemical, odour, PH value,TSS, BOD, COD, total nitrogen, sulphate, oil and grease, ammonical Nitrogen (NH3-N) and Bacteriological total colliform organism and other characterstics as per relevant IS of sewage water. (ii) Cost of sterilized bottle as required is included in the quoted rate. (iii) Cost of sample collection from Site to laboratory including transportation charges are included in the quoted rate.

Carrying out sample for testing of treated water of STP and submission of detailed test report to the office of the Engr-in-charge and testing in Govt approved laboratory as approved by GE. (a) carry ing out minimum essential testing of treated water as per IS 3025 & IS 1622 mandatory for chemical , colour, odour, PH value, TSS, BOD,COD, Total residual chlorine, total Nitrogen, sulphate, oil and grease, Ammonical nitrogen(NH3-N) and Bacteriological total coliform organism per 100ml (MPN) and Ecoli in 100ml. (b) Treated sewage water shall confirm to the following characterstics:- (i) TSS : < 10 mg/litre. (ii) BOD : < 10 mg/ litre. (iii) COD: < 150 mg/litre. (iv) Ph: 6.5 -8.5. (v) Total coliform: < 100 MPN/100 ml (desired nil). (vi) Resudual CI> 1 mg/litre. Rest of the characterstic of the treated water shall be as per IS 3025 & IS 1622. (c) Cost of sterilized bottle as required is included in the quoted rate. (d) cost of sample collection from Site to laboratory including transportation charges are included in the quoted rate.

Supply and fill Compressor Oil as required in compressors complete all as specified and directed.

Supply, laying , jointing, welding & testing MS pipe of size 100 mm bore ( Heavy duty Class 'c') including fitting as required, laid in treches or laying or floor for connecting to various STP accessories and to connect outgoing water main from Non clogging submersible pump including taking down the unserviceable pipe complete all as specified and as directed Note :- MS flange and flange joint, bends etc complete with jointing material shall deemed to be included in the unit rate quoted.

All as per Item No 19 above but 80 mm bore

All as per Item No 19 above but 65 mm bore

All as per Item No 19 above but 50 mm bore

All as per Item No 19 above but 40 mm bore

High density polyethylene pipes (HDPE) suction hose pipe of size 63mm of pressure rating 6 Kgf/cm2 laid in trenches etc including taking down old pipe complete all as specified and directed.

All as per Item No 24 above but 100 mm bore

Disconnection and removing the U/S CI Foot valve 100mm dia of centrifugal pump sets and S & F CI Foot valve 100mm dia with all fittings including flanges, leather washer, fasteners for fitting such as necessary size nut, bolt and washer, rubber packings / joining materials complete all as specified and as directed.

Disconnection and removing the U/S sluice valve and S & F cast iron flanged drilled heavy duty sluice valve 100 mm dia with ISI mark with stainless steel spindle and check nut and plan PN-1.6 complete with rubber insertion, nuts and bolts with washers etc complete all as specified and as directed.

Disconnection and removing the U/S butterfly valve and S & F butterfly valve of size 100 mm suiatable for GI/MS pipe complete all as specified and as directed.

All as per Item No 28 above but 80 mm

All as per Item No 28 above but 65 mm

All as per Item No 28 above but 50 mm

S & F in replacement of MCCB 160 A ,3 pole ,36 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc including testing & commissioning complete all as specified and as directed .

S & F in replacement of MCCB 100 A ,3 pole ,25 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc including testing & commissioning complete all as specified and as directed .

S & F in replacement of MCCB 63 A, 4 pole, 16 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc including testing & commissioning complete all as specified and as directed .

S & F in replacement of flat submersible 3 core 6 sqmm cable PVC insualted unsheathed multistranded copper conductor water proof suitable for submersible pump set complete all as specified and as directed.

All as per Item No. 35 above but 3 core 10 sqmm.

Excavation in trenches n exc 1.5 wide and n exc 1.5 m in depth for foundation etc or for laying cable etc n exc 10 Sqm on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and as directed.

Returning filling in including spreading, leveling, watering and well ramming in layers n exc 25 cm complete all as specified and as directed.

Removal of excavated material/surplus soil to a distance n exc 50m and depositing where directed at a level n exc 50m above the starting point complete all as specified and as directed.

S&F in replacement of 3 pole contactor MNX 9, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified and as directed.

S&F in replacement of 3 pole contactor MNX A2, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified and as directed.

S&F in replacement of 3 pole contactor MNX A1, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified and as directed.

S&F in replacement of single phase preventer suitable for 3 HP to 20 HP pump sets complete all as specified and as directed.

S&F in replacement thermal overload relay 3 phase, relay range 9 to 15 Amps suitable for MNX type contactor complete all as specified and as directed.

S&F in replacement of thermal overload relay 3 phase, relay range 14 to 23 Amps suitable for MNX type contactor complete all as specified and as directed.

S&F in replacement of thermal overload relay 3 phase, relay range 24 to 40 Amps suitable for MNX type contactor complete all as specified and as directed.

S&F in replacement of star delta electronic timer ETR suitable for 220-240V AC, 50Hz supply complete all as specified and as directed.

Supply and spreading uniformly, filter media of screend graded and dust free quartz sand of size 16 to 32 mesh(0.45 to 0.70mm) in required thickness for efficient filteration of water complete all as specified and directed

Supply and spreading uniformly, hand picked screened graded pea gravel of size 2mm to 6mm size for forming filter bed for efiicient filteratin of water complete all as specified and directed.

Supply and spreading uniformly, hand picked screened graded pea gravel of size 6mm to 12mm size for forming filter bed for efiicient filteration of water complete all as specified and directed.

Supply and laying uniformly, hand picked screened graded pea gravel of size 12 mm to 20mm size for forming filter bed for efiicient filteration of water complete all as specified and directed.

M & L for replacement of activated carbon IV 1000 complete all as specified and directed .

Cleaning of sewage intake circular tank of size 6 metre dia and 6 metre depth by removing all sludge and de-scaling vegitation inside and outside of tank and applyinh two coats of white washing including cleaning the surrounding area of the tank to a distance of 3 meter circumference including cutting of grass, digging out roots, filling holes and levelling around and removing waste material out side MD land complete alll as specified and directed. Note :- (i) Adequate manpower including necessary T&P and safety precaution to the individual working /carry out job at site is the responsibility of the contractor and the cost deemed to be included in the quotated rate. (ii) All inlet/outlet pipes/ channels shall be properly sealed at the opening inside the clarifer while carring out cleaning.

All as per item No 53 above but Equilization tank

All as per item No 53 above but Bar screen chamber and pit

All as per item No 53 above but oil and grease trap

All as per item No 53 above but Clean water tank

Supply only Calcium hypo chloride 65%-70% Chlorine content (Calcium based granular disinfectant) for water treatment, in factory sealed container/drum complete all as specified and directed.

Supply only Calcium hydro-oxide (Lime, 80-85%) in powder form as pH Booster for STP water complete all as specified and directed.

Supply only stable bleaching powder Grade-I conforming to IS-1065/1989 (IInd Revision) as amended upto date having available chlorine contents min 34% by mass and packed in 25 Kg polythene bag having double fold and as per following specifications complete all as specified and directed Bleaching powder (Calcium hypo chlorine formula : ca(OCl)₂, Molecular weight : 142.96, Physical appearance : White fine powder, Chlorine content : 30±1%, Moisture : 0.5% Max, On Heating at 10±2°C, its does not loose more than 1/15 of available Chlorine, Passing through 1.7 mm sieve : 99%.

Supply only Alum Ferric Sulphate (Grade-4) (best quality as per sample) for purification of water (containing lead (as PB) 30 ppm Max and arsenic 6 ppm Max) conforming to IS-299/2012 (Revised) as amended upto date complete all as specified and directed . Note : The Alumino Ferric Sulphate shall be supplied in superior quality bricks (slabs) as per IS specifications. Manufacturer name/trade mark shall be engraved on each brick (slab) in addition to marking of relevant clause of IS specifications. Note for item No. 58 to 61 :- The material shall be taken on charge and receipt voucher be issued . The material shall be issued subsequently as required, on Issue Voucher. The details of IV & RV shall be entered in MB before payment

Cleaning the surroundings of STP area by cutting/lifting the bushes, cutting and uprooting grass, vegetation shrubs, bushwood undergrowth, roots and trees not exceeding 30 cm girth (upto 01 metre height above ground level) and removing rubbish outside MD land complete all as specified and as directed .

Siddique constructions (BID ID -3055971)

Mr Madhusudhan Kotarki (BID ID -3054249)