Tender For Repairs / Maint Of Sewage Treatment Plant, Repair / Replacement Of Gi Pipe, Dosing Pumps, Replacement Of Filter Media, Cleaning Of Equalisation Tank, Mbbr, Pvc Connecting Pipe, Ug Cables, Contractors, Mccb, Mcb, Repair To Hypo Dosing, Dwpe, Minniebay-Andaman And Nicobar Islands

TDR : 53921563

Tender Notice
BOQ

18 Days Left

Minniebay , Andaman And Nicobar Islands

Tender Brief : Tender For Repairs / Maint Of Sewage Treatment Plant, Repair / Replacement Of Gi Pipe, Dosing Pumps, Replacement Of Filter Media, Cleaning Of Equalisation Tank, Mbbr, Pvc Connecting Pipe, Ug Cables, Contractors, Mccb, Mcb, Repair To Hypo Dosing, Dwpe

Document Fees
₹ 500 /-

EMD
₹ 89000.0 /-

Tender Value
₹ 44.50 Lakhs /-

Submission Date
02-03-2026

Competition Type
Indian

Bidding Type
Tender

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1	M&L of cleaning of Oil and Grease chamber,Equalization tank,MBBRs, Screening Bar and Centrifuse filter press Chlorine contact tank including cleaning of pumps, LT Panels, DG Set, tertiary filters, micro filter, dosing drums, motors and cleaning will be carried out twice a month for Sewage Treatment Plant of capacity 200 KLD at Brookshabad (electrically operated containing the machinery) all as specified and as directed by Engineer-in-Charge.Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items.(ii) Cleaning of Oil and Grease chamber, Screening Bar and Centrifuse filter press and removal of sludge cakeshall be carried out.
2	The followings given items from Sr. no.2 to 50 shall be considered under item no 1 location all as specified and directed by Engineer-in-charge.
3	M/L in collection of dried sludge cake from STP once in a month and disposed of safely to a suitable place not more than 10 KM form STP Minniebay location complete all as specified and directed by Engineer-in-Charge.
4	M&L for treatment of STP water with dewatering Polyelectrolysis cationic solution of 0.075% concentration chemical compound shall,consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
5	M&L for treatment of STP water with Sodium hypochlorite consisting 6% chlorine content chemical compound shall consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
6	M&L for treatment of STP water with enzyme-2 (DAP consisting 18:46:0,18% Nitrogen and water soluble phosphate 46% chemical shall consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
7	M&L for bacteria STP Culture for STP for developing MLSS and control odour consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge .
8	M&L for treatment of STP water with calcium Hypochloride 65-70% chlorine content in granular form chemical will consist offorty five kilogram packaging complete all as specified and directed by Engineer-in-Charge
9	M&L for Collecting the waste water/effluent sample monthly from 200 KLD STP(Minniebay Area and Brookshbad) before and after treatment, sample handling, transporting to NABL accredited lab approvedby authorities, carry out the analysis of the followingas per IS 10500and submit records.(i)BOD(Bio chemical Oxygen Demand)(ii)COD (Chemical Oxygen Demand)(iii)TSS(Total Suspended Solids)(iv)Total dissolved solids(v)Turbidity(vii)PH
10	M&L for cleaning of underground sewage treated water sump 200000 ltr by using pump set or bucket & mug etc complete all as directed by Engineer-in-Charge. (b) Removing sludge muds, silt sand etc from insideof tank and depositing in pit (depth of pit not less than 1.5 mtr) to a distance n.exc 50 mtr from tank including exacavation of suitable size of pit and returning, filling etc cleaning of tank with water and all as directed by Engineer-in-Charge. (c ) Removing moulds, moss,foreign materials etc from the internal surfaces of tank and from the mouth of pipe by scrapping with steel brushes/steel wool or steel scrapping, disposing off waste materials to a distance n.exc 50 mtr and cleaning the internal surfacewith clean water. (d) Spreading thin layers of bleaching powder over the entire internal surface area of tank internally and washing with clean water.(e) Applying one coat of lime wash tothe internal surfaces. (f) Applying two acrylic exterior emlonson paint tothe external surfaces of sump.
11	M&L for dismantling of non - clogging sewage submersible pumping set of 1HP/2 HP or as site and transportationto workshop/site for repair dismantlng of pumping setcomplete segregating the serviceable parts for re-use and removing the defective parts, repair the pump throughly including machine work re-assembling the pump set and shifting to location as directed by Engineer in Charge, making all electrical connection and testing complete on full load to the entire satisfaction of Engr-in-charge (new spares will be measured and paid separately).
12	Supply only for repair of non clogging submersible pump by checking and cleaning throughly and replacing the following defective parts, reassembling the same and testing including installation in position all as directed by Engineer-in-Charge. Line shaft - 04 NosBearings - 08 NosWater seal - 06 NosCasing king key - 06 Nos
13	M&L fortwo coats of colour washing paint of MBBR-1,MBBR-2 out side surface and before painting preparation of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
14	M&L for two coats of colour washing paint of Tube settler outside surface and before painting preparetion of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
15	M&L for two coats colour washing paint of Chlorine Cum filter feed tank of outside surface and before painting preparetion of old painted surfaces with sand paper and surface make smooth of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified.
16	M&L for two coats ofenamelled paint over a coat of red oxide primer of Dual media filter/Activated carbon filter of size 1000mm dia x 1500mmand before painting preparetion of old painted surfaces with sand paper and surface make smooth of steel and iron of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified by Engineer in Charge.
17	M&L for taking down Hypo dosing pump and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
18	M&L for taking down agitator and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
19	M&L for taking down filter feed pump of capacity upto 5 HP and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
20	M&L for opening for servicing/overhauling the monoblock pump and motor upto 5 HP and replacing the defective bearing,greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve,rubber gasket ,metal filling, turing/ grinding and balancing the shaftetc.and refixing the same all as specified and directed by Engineer-in-Charge.
21	M&L for disconnection of electrical connection and dismantling of 7.5 to 10 HP non cloging monoblock/monoblock pumpset from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enameled copper wire of suitable gauge with proper insulation replacement of front and rear bearing, assembling and reconnection electrical connection the same as existing and testing complete all as specified and as directed by Engineer in Charge.
22	M&L for taking down air blower from the existing position after disconnecting all electrical connection and transportationto workshop/site for repair for un-serviceable parts completeand removing the defective parts, repair the air blower throughly including machine workand re-assembling the air blowerand commssioning testing complete on full load all as specified and directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
23	M&L for disconnecting andisolating the aircompressor of any capacity from the system by placing dummy plates to suction and discharge valves, opening the compressor, removing allinternal parts cleaning of all parts thoroughly, segregating unserviceable spare parts, complete serviceof compressors, supply and replacing the worn out parts viz., and replaced with new ones, refixing/reassembling the compressor unit, oil changing, testing for removing the dummy plates, leak testing of the compressor, testing and commissioning the compressor complete all as directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
24	Supply and fixing in replacement upto12.5 HP /as site requirement air blower \"V\" belt of sewage treatment plant complete all as specified and as directed by Engineer in Charge.
25	Supply and fixing in repair rubber star coupling of suitable size pump all as specified and directed by Engineer-in-Charge
26	Supply and fixing in repair dosing pipe of suitable size of dosing pump all as specified and directed by Engineer-in-Charge
27	M&L for dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffuser made of EPDM rubber extruded, diffuser frame fastner etc. complete all as specified and as directed by Engineer in Charge.
28	M & L for cleaning the Raw sewage collection RCC sump /open sump of size as per site.The cleaning includes the followings parts complete all as specified and as directed by Engineer in Charge.a)Dewatering the sump with portable submersible pumpb)Removal of left over dirty water and sludge with a special sludge removal pump.c) Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner.d)Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent,to disinfect the tank from all harmful pathogens.
29	Material and labourfor cleaning of MS Activated carbon filter / MS Dual media filter of size 1000mm dia and 1500mm height ,cleaning of existing pipe holes after refillcomplete all as specified and directed by Engineer-in-Charge.
30	Taking out defective pebbles, Supply andLayingfilter media (pebbles) of size 5mm and 3mmin filter beds complete all as specified and directed by Engineer-in-Charge.
31	Taking out defective coarse gravel, supply and layingfilter media (coarse gravel/fine gravel)in filter bed complete all as specified and directed by Engineer-in-Charge.
32	Taking out defective carbon media, Supply andLayingcarbon filtermedia IV 800 to 1000 (iodinevalue) for two nos filter complete all as specified and directed by Engineer-in-Charge.
33	M & L for replacing fine sand in filter media beds complete all as specified and directed by Engineer-in-Charge.
34	M & L for grass cuttingwith the help of Petrol Grasscutting machine all around the water supply installation of Brookshbad, area complete all as specified and directed by Engineer-in-ChargeNote: 1.The grass cutting machine shall be provided by the Contractor.2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work. 3. Area of brookshbad STP 250 Sqm appx.
35	M&L for disconnecting and removing the unserviceable burnt out over load relays of switching current of 5A, 240V AC and coil voltage 28V DC of capacity or as per existingon site, and replacing the same with new over load relays including connecting and testing complete all as specified anddirected by Engineer-in-Charge.
36	Supply/Fix ,test commissioning in replacement of STP brookshbad LT weather proof panel board powder coated outdoor type double door shutter type made out of CRCA sheet 3mm thick outer and 2 mm for inner door confirming to IS 8623 with MS angle iron 50x50x6mm floor mounting type with enclosed bus bar chamber and with aluminium bus bar of cap 400 Amp with necessary insulator suitable for 3 phase, 4 wire, 50 Hz AC supply as per CPRI approved including provn of digital ammeter 0-100A, digital voltemeter 0-500Volts, CT\"s of suitable ratio,indicator lamps R-Y-B,selector switches and internal wiring including making PCC block type 0.60 Mtr above ground levelgrouting etc all as specified and directed with including following items , including provision of suitable size of cable glands,cable lugs,nut,bolts,washers etc.The bottom poration of enclosure shall be minimum 60 cm above ground level of legs of angle iron with following components:- (a) MCCB 4P,36 KA 200 Amps- 01 No(b) MCCB 4P, 25 KA 125 Amps- 02 Nos(c) MCCB 4P,25 KA 32 A - 09 Nos(d)MCB TPN 32A KA- 12 Nos (e) Voltmeter (0-500V) with selector switch - 01 No(f) Ammeter (0-40 Amps) - 02 Nos(g) KWH meter 3 phase, 40 Amps - 01 No(h) Phase indication lamp - 03 Nos( j) Star delta starter for 12.5 Hp air blower - 02 Nos (k) DOL starter for 03 Hp motor-05 No (l)DOL starter for 7.5 Hp motor-09 No. Note: Rate of single phase preventor,over load relay, contactor and other items if required for smooth functioning of pumpsets,or any variation required as per site requirement included in this items .
37	Attending breakdown for pump/motor i.e minor repair (Changing of gand,nut bolt,connector etc) ,Panels/MCCB/Changeover Switch to check and locate / detect fault related to breakdown complete all as directed by Engineer-in-charge.Note:- (a) Spares will be measured and paid separately under relavant items. (b)The break down complaint should be attended within 2 hours with the intimation of Engr-in-charge or concern JE E/M by telephonically / verbally.
38	M&L for painting of monoblock pump set/centrifugal pump sets/air blower including induction motor of any capacity with one coat ofsynthetic enamel paint by using spray gun machine after removing all dust and rust and writing date of painting with black synthetic enamel paint complete all as directed by Engineer-in-Charge.
39	Supply only2mm thick rubber mat 2metre long and 1metre width for installation as directed by Engineer-in-Charge.
40	M&L for disconnecting and removing unserviceable star coupling assembly set from the pump motor and drive system, supply and fixing new star coupling set of sizes 100/110/ 150/226 with nuts, bolts including making alignment and testing complete all as directed by Engineer-in-Charge
41	Supply and fix inrepairs gland packing withGraphite Gland Rope of size 10mm complete all as specified and directed by Engineer-in-Charge.
42	Supply oil suitable for dosing pump and pumpset/compressoras per sample all as specified and as directed by Engineer-in-Charge
43	S&F in repairs foot valve as per sample for STP complete all as specified and as directed by Engineer-in-Charge
44	S & F Single Phase Preventor (SPP) Suitable forsubmersible/pump set starter complete all as specified and directed by Engineer-in-Charge.
45	Supply and fixing in repair the following spares for filter feed pumps of capacity upto 5 HP incl taking down filter feed pumps directed by Engineer-in-Charge.
46	pump impler
47	pump line shaft
48	ball bearing.
49	pump water seal
50	Gland.
51	Supply and fixing in repair the following spares for treated water pumps of capacity 7.5 to 10 HP incl taking down filter feed pumps directed by Engineer-in-Charge by Engineer-in charge.
52	pump impeller
53	pump line shaft
54	pump ball bearing
55	pump water seal
56	pump Gland.
57	S & F testing and commissioning monoblock pumpset, KDI-538+ or as per site requirement, suitable for 415 V ,3 phase system having capacity 5 HP including fixing with necessary fittings all as specified and directed by Engineer in charge.
58	S & F testing and commissioning monoblock pumpset, KDS-216+ or as per site requirement, suitable for 230 V ,1 phase system having capacity 2 HP including fixing with necessary fittings all as specified and directed by Engineer in charge.
59	S & F testing and commissioning non clog dewatering,submersible pumpset of model ETERNA 5500 CW+, 7.5Hp,suitable for 415 V ,3 phase system including fixing with necessary fittings all as specified and directed by Engineer in charge.
60	M&L for disconnecting and removing the unserviceableDOL starter andsupply, install testing and commissioning of DOL starter for the motors for the capacity of upto 7.5 HP, 415 Volts in sheet steelencloser including dismantling existing old motor starter from its location by removing all cable connections complete all as specified and as directed by Engineer-in-Charge.
61	M&L of cleaning of Oil and Grease chamber,Equalization tank,MBBRs, Screening Bar and Centrifuse filter press Chlorine contact tank including cleaning of pumps, LT Panels, DG Set, tertiary filters, micro filter, dosing drums, motors and cleaning will be carried out twice a month for Sewage Treatment Plant of capacity 125 KLD at 7 th lane Ajay Baugh (electrically operated containing the machinery) all as specified and as directed by Engineer-in-Charge.Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items.(ii) Cleaning of Oil and Grease chamber, Screening Bar and Centrifuse filter press and removal of sludge cakeshall be carried out.
62	The followings given items from Sr. no.52 to 104 shall be considered under item no 51 location all as specified and directed by Engineer-in-charge.
63	M/L in collection of dried sludge cake from STP once in a month and disposed of safely to a suitable place not more than 10 KM form STP Minniebay location complete all as specified and directed by Engineer-in-Charge.
64	M&L for treatment of STP water with dewatering Polyelectrolysis cationic solution of 0.075% concentration chemical compound shall,consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
65	M&L for treatment of STP water with Sodium hypochlorite consisting 6% chlorine content chemical compound shall consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
66	M&L for treatment of STP water with enzyme-2 (DAP consisting 18:46:0,18% Nitrogen and water soluble phosphate 46% chemical shall consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
67	M&L for bacteria STP Culture for STP for developing MLSS and control odour consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge .
68	M&L for treatment of STP water with calcium Hypochloride 65-70% chlorine content in granular form chemical will consist offorty five kilogram packaging complete all as specified and directed by Engineer-in-Charge
69	M&L for Collecting the waste water/effluent sample monthly from 200 KLD STP(Minniebay Area and Brookshbad) before and after treatment, sample handling, transporting to NABL accredited lab approvedby authorities, carry out the analysis of the followingas per IS 10500and submit records.(i)BOD(Bio chemical Oxygen Demand)(ii)COD (Chemical Oxygen Demand)(iii)TSS(Total Suspended Solids)(iv)Total dissolved solids(v)Turbidity(vii)PH
70	M&L for cleaning of underground sewage treated water sump 50000 ltr by using pump set or bucket & mug etc complete all as directed by Engineer-in-Charge. (b) Removing sludge muds, silt sand etc from insideof tank and depositing in pit (depth of pit not less than 1.5 mtr) to a distance n.exc 50 mtr from tank including exacavation of suitable size of pit and returning, filling etc cleaning of tank with water and all as directed by Engineer-in-Charge. (c ) Removing moulds, moss,foreign materials etc from the internal surfaces of tank and from the mouth of pipe by scrapping with steel brushes/steel wool or steel scrapping, disposing off waste materials to a distance n.exc 50 mtr and cleaning the internal surfacewith clean water. (d) Spreading thin layers of bleaching powder over the entire internal surface area of tank internally and washing with clean water.(e) Applying one coat of lime wash tothe internal surfaces. (f) Applying two acrylic exterior emlonson paint tothe external surfaces of sump.
71	All as per item no. 60 but capacity of upto 30000 ltr.complete all as specified and as directed by Engineer-in- Charge.
72	M&L for dismantling of non - clogging sewage submersible pumping set of 1HP/2 HP capacity fromSTP plant and transportationto workshop/site for repair dismantlng of pumping setcomplete segregating the serviceable parts for re-use and removing the defective parts, repair the pump throughly including machine work re-assembling the pump set and shifting to location as directed by Engineer in Charge, making all electrical connection and testing complete on full load to the entire satisfaction of Engr-in-charge (new spares will be measured and paid separately).
73	Supply only for repair of non clogging submersible pump by checking and cleaning throughly and replacing the following defective parts, reassembling the same and testing including installation in position all as directed by Engineer-in-Charge. Line shaft - 04 NosBearings - 08 NosWater seal - 06 NosCasing king key - 06 Nos
74	M&L fortwo coats of colour washing paint of MBBR-1,MBBR-2 out side surface and before painting preparation of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
75	M&L for two coats of colour washing paint of Tube settler outside surface and before painting preparetion of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
76	M&L for two coats colour washing paint of Chlorine Cum filter feed tank of outside surface and before painting preparetion of old painted surfaces with sand paper and surface make smooth of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified.
77	M&L for two coats ofenamelled paint over a coat of red oxide primer of Dual media filter/Activated carbon filter of size 1000mm dia x 1500mmand before painting preparetion of old painted surfaces with sand paper and surface make smooth of steel and iron of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified by Engineer in Charge.
78	M&L for taking down Hypo dosing pump and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
79	M&L for taking down agitator and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
80	M&L for taking down filter feed pump of capacity upto 5 HP and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
81	M&L for opening for servicing/overhauling the monoblock pump and motor 7.5 to 10 HP and replacing the defective bearing,greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve,rubber gasket ,metal filling, turing/ grinding and balancing the shaftetc.and refixing the same all as specified and directed by Engineer-in-Charge.
82	M&L for disconnection of electrical connection and dismantling upto 20 HP non cloging monoblock pumpset from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enameled copper wire of suitable gauge with proper insulation replacement of front and rear bearing, assembling and reconnection electrical connection the same as existing and testing complete all as specified and as directed by Engineer in Charge.
83	M&L for taking down air blower from the existing position after disconnecting all electrical connection and transportationto workshop or site for repair for un-serviceable parts completeand removing the defective parts, repair the air blower throughly including machine workand re-assembling the air blowerand commssioning testing complete on full load all as specified and directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
84	M&L for disconnecting andisolating the aircompressor of any capacity from the system by placing dummy plates to suction and discharge valves, opening the compressor, removing allinternal parts cleaning of all parts thoroughly, segregating unserviceable spare parts, complete serviceof compressors, supply and replacing the worn out parts viz., and replaced with new ones, refixing/reassembling the compressor unit, oil changing, testing for removing the dummy plates, leak testing of the compressor, testing and commissioning the compressor complete all as directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
85	Supply and fixing in replacement upto12.5 HP /as site requirement air blower \"V\" belt of sewage treatment plant complete all as specified and as directed by Engineer in Charge.
86	Supply and fixing in repair rubber star coupling of suitable size pump all as specified and directed by Engineer-in-Charge
87	Supply and fixing in repair dosing pipe of suitable size of dosing pump all as specified and directed by Engineer-in-Charge
88	M&L for dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffuser made of EPDM rubber extruded, diffuser frame fastner etc. complete all as specified and as directed by Engineer in Charge.
89	M & L for cleaning the Raw sewage collection RCC sump /open sump of size as per site.The cleaning includes the followings parts complete all as specified and as directed by Engineer in Charge.a)Dewatering the sump with portable submersible pumpb)Removal of left over dirty water and sludge with a special sludge removal pump.c) Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner.d)Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent,to disinfect the tank from all harmful pathogens.
90	Material and labourfor cleaning of MS Activated carbon filter / MS Dual media filter of size 1000mm dia and 1500mm height ,cleaning of existing pipe holes after refillcomplete all as specified and directed by Engineer-in-Charge.
91	Taking out defective pebbles, Supply andLayingfilter media (pebbles) of size 5mm and 3mmin filter beds complete all as specified and directed by Engineer-in-Charge.
92	Taking out defective coarse gravel, supply and layingfilter media (coarse gravel/fine gravel)in filter bed complete all as specified and directed by Engineer-in-Charge.
93	Taking out defective carbon media, Supply andLayingcarbon filtermedia IV 800 to 1000 (iodinevalue) for two nos filter complete all as specified and directed by Engineer-in-Charge.
94	M & L for replacing fine sand in filter media beds complete all as specified and directed by Engineer-in-Charge.
95	M & L for grass cuttingwith the help of Petrol Grasscutting machine all around the water supply installation of Brookshbad, area complete all as specified and directed by Engineer-in-ChargeNote: 1.The grass cutting machine shall be provided by the Contractor.2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work.3. Area of 7 th lane STP 100 Sqm appx.
96	M&L for disconnecting and removing the unserviceable burnt out over load relays of switching current of 5A, 240V AC and coil voltage 28V DC of capacity or as per existingon site, and replacing the same with new over load relays including connecting and testing complete all as specified anddirected by Engineer-in-Charge.
97	Attending breakdown for pump/motor i.e minor repair (Changing of gand,nut bolt,connector etc) ,Panels/MCCB/Changeover Switch to check and locate / detect fault related to breakdown complete all as directed by Engineer-in-charge.Note:- (a) Spares will be measured and paid separately under relavant items. (b)The break down complaint should be attended within 2 hours with the intimation of Engr-in-charge or concern JE E/M by telephonically / verbally.
98	M&L for painting of monoblock pump set/centrifugal pump sets/air blower including induction motor of any capacity with one coat ofsynthetic enamel paint by using spray gun machine after removing all dust and rust and writing date of painting with black synthetic enamel paint complete all as directed by Engineer-in-Charge.
99	Supply only2mm thick rubber mat 2metre long and 1metre width for installation as directed by Engineer-in-Charge.
100	M&L for disconnecting and removing unserviceable star coupling assembly set from the pump motor and drive system, supply and fixing new star coupling set of sizes 100/110/ 150/226 with nuts, bolts including making alignment and testing complete all as directed by Engineer-in-Charge
101	Supply and fix inrepairs gland packing withGraphite Gland Rope of size 10mm complete all as specified and directed by Engineer-in-Charge.
102	Supply oil suitable for dosing pump and pumpset/compressoras per sample all as specified and as directed by Engineer-in-Charge
103	S&F in repairs foot valve as per sample for STP complete all as specified and as directed by Engineer-in-Charge
104	Supply only flexible PVC hose 25/30mm dia complete all as specified and directed by Engineer-in-Charge
105	S & F Single Phase Preventor (SPP) Suitable forsubmersible/pump set starter complete all as specified and directed by Engineer-in-Charge.
106	Supply and fixing in repair the following spares for filter feed pumps of capacity upto 5 HP incl taking down filter feed pumps directed by Engineer-in-Charge.
107	pump impler
108	pump line shaft
109	ball bearing.
110	pump water seal
111	Gland.
112	Supply and fixing in repair the following spares for treated water pumps of capacity 7.5 to 20 HP incl taking down filter feed pumps directed by Engineer-in-Charge by Engineer-in charge.
113	pump impeller
114	pump line shaft
115	pump ball bearing..
116	pump water seal
117	pump Gland.
118	M&L for taking down unserviceable sluice valves of following sizes as directed by Engineer-in-Charge by Engr-in charge :-
119	80mm bore
120	100mm bore
121	Supply and fix sluice valve 80mm bore class PN1.0 including flangescrewed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixedall as specified and directed by Engineer-in-Charge.
122	Supply and fix sluice valve 100mm bore class PN1.0 including flangescrewed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixedall as specified and directed by Engineer-in-Charge.
123	S & F testing and commissioning openwell submersible, KOS-1537+, pump set suitable for 415 V ,3 phase system having capacity 15 HP including fixing with necessary fittings all as specified and directed by Engineer in charge.
124	M&L for disconnecting and removing the unserviceableDOL starter andsupply, install testing and commissioning of DOL starter for the motors for the capacity of upto 10 HP, 415 Volts in sheet steelencloser including dismantling existing old motor starter from its location by removing all cable connections complete all as specified and as directed by Engineer-in-Charge.
125	Material and labour for repair/servicing the existingLT panel at various locations of STP plant opening the front and back doors cleaning the inside compartments, opening the busbar chamber covers, replacing worn out inter connections, with suitable size of cables, replacing the rusted bolt nut washers, tightening the complete bolt nuts, earth connections etc, refixing the covers also providing 2 Nos of new LT danger notice board stickers complete all as specified and as directed by Engineer in Charge.
126	Material and labour for preparing external surfaces of LT panel /pump panel at various locations completely removing the all dust and dirt including rust and applying one coat of approved existing shade of synthetic enamel painting including writing the required details as existing all as directed by Engineer-in-Charge.
127	Supply and fix in repair brass impact automatic rotating watersprinkler with nozzle heavy duty irrigation head(20 mm or 3/4 inch) all as specified and directed by Engineer-in-Charge.
128	M&L for painting of pipeline/shed truss of various size connected at 125KLD STP complete all as specified and directed by Engineer-in-Charge.
129	M&L of cleaning of Oil and Grease chamber,Equalization tank,MBBRs, Screening Bar and Centrifuse filter press Chlorine contact tank including cleaning of pumps, LT Panels, DG Set, tertiary filters, micro filter, dosing drums, motors and cleaning will be carried out twice a month for Sewage Treatment Plant of capacity 50 KLD at Pareira Enclave (electrically operated containing the machinery) all as specified and as directed by Engineer-in-Charge.Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items.(ii) Cleaning of Oil and Grease chamber, Screening Bar and Centrifuse filter press and removal of sludge cakeshall be carried out.
130	The followings given items from Sr. no.106 to 187 shall be considered under item no 105 location all as specified and directed by Engineer-in-charge.
131	M/L in collection of dried sludge cake from STP once in a month and disposed of safely to a suitable place not more than 10 KM form STP Minniebay location complete all as specified and directed by Engineer-in-Charge.
132	M&L for treatment of STP water with dewatering Polyelectrolysis cationic solution of 0.075% concentration chemical compound shall,consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
133	M&L for treatment of STP water with Sodium hypochlorite consisting 6% chlorine content chemical compound shall consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
134	M&L for treatment of STP water with enzyme-2 (DAP consisting 18:46:0,18% Nitrogen and water soluble phosphate 46% chemical shall consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
135	M&L for bacteria STP Culture for STP for developing MLSS and control odour consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge .
136	M&L for treatment of STP water with calcium Hypochloride 65-70% chlorine content in granular form chemical will consist offorty five kilogram packaging complete all as specified and directed by Engineer-in-Charge
137	M&L for Collecting the waste water/effluent sample monthly from 200 KLD STP(Minniebay Area and Brookshbad) before and after treatment, sample handling, transporting to NABL accredited lab approvedby authorities, carry out the analysis of the followingas per IS 10500and submit records.(i)BOD(Bio chemical Oxygen Demand)(ii)COD (Chemical Oxygen Demand)(iii)TSS(Total Suspended Solids)(iv)Total dissolved solids(v)Turbidity(vii)PH
138	M&L for cleaning of underground sewage treated water sump o capacity upto 20000 ltr by using pump set or bucket & mug etc complete all as directed by Engineer-in-Charge. (b) Removing sludge muds, silt sand etc from insideof tank and depositing in pit (depth of pit not less than 1.5 mtr) to a distance n.exc 50 mtr from tank including exacavation of suitable size of pit and returning, filling etc cleaning of tank with water and all as directed by Engineer-in-Charge. (c ) Removing moulds, moss,foreign materials etc from the internal surfaces of tank and from the mouth of pipe by scrapping with steel brushes/steel wool or steel scrapping, disposing off waste materials to a distance n.exc 50 mtr and cleaning the internal surfacewith clean water. (d) Spreading thin layers of bleaching powder over the entire internal surface area of tank internally and washing with clean water.(e) Applying one coat of lime wash tothe internal surfaces. (f) Applying two acrylic exterior emlonson paint tothe external surfaces of sump.
139	M&L for dismantling of non - clogging sewage submersible pumping set of 1HP/2 HP capacity fromSTP plant and transportationto workshop/site for repair dismantlng of pumping setcomplete segregating the serviceable parts for re-use and removing the defective parts, repair the pump throughly including machine work re-assembling the pump set and shifting to location as directed by Engineer in Charge, making all electrical connection and testing complete on full load to the entire satisfaction of Engr-in-charge (new spares will be measured and paid separately).
140	M&L fortwo coats of colour washing paint of MBBR-1,MBBR-2 out side surface and before painting preparation of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
141	M&L for two coats of colour washing paint of Tube settler outside surface and before painting preparetion of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
142	M&L for two coats colour washing paint of Chlorine Cum filter feed tank of outside surface and before painting preparetion of old painted surfaces with sand paper and surface make smooth of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified.
143	M&L for taking down Hypo dosing pump and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
144	M&L for taking down filter feed pump of capacity upto 3 HP and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
145	M&L for opening for servicing/overhauling the monoblock pump and motor upto 5 HP and replacing the defective bearing,greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve,rubber gasket ,metal filling, turing/ grinding and balancing the shaftetc.and refixing the same all as specified and directed by Engineer-in-Charge.
146	M&L for taking down air blower from the existing position after disconnecting all electrical connection and transportationto workshop/site for repair for un-serviceable parts completeand removing the defective parts, repair the air blower throughly including machine workand re-assembling the air blowerand commssioning testing complete on full load all as specified and directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
147	Supply and fixing in replacement upto12.5 HP air blower/as site requirement \"V\" belt of sewage treatment plant complete all as specified and as directed by Engineer in Charge.
148	M&L for dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffuser made of EPDM rubber extruded, diffuser frame fastner etc. complete all as specified and as directed by Engineer in Charge.
149	M & L for cleaning the Raw sewage collection RCC sump /open sump of size as per site.The cleaning includes the followings parts complete all as specified and as directed by Engineer in Charge.a)Dewatering the sump with portable submersible pumpb)Removal of left over dirty water and sludge with a special sludge removal pump.c) Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner.d)Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent,to disinfect the tank from all harmful pathogens.
150	M & L for grass cuttingwith the help of Petrol Grasscutting machine all around the water supply installation of Brookshbad, area complete all as specified and directed by Engineer-in-ChargeNote: 1.The grass cutting machine shall be provided by the Contractor.2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work.3. Area of Pareira Enclave STP 80 Sqm appx.
151	M&L for disconnecting and removing the unserviceable burnt out over load relays of switching current of 5A, 240V AC and coil voltage 28V DC of capacity/or as per site and replacing the same with new over load relays including connecting and testing complete all as specified anddirected by Engineer-in-Charge.
152	Attending breakdown for pump/motor i.e minor repair (Changing of gand,nut bolt,connector etc) ,Panels/MCCB/Changeover Switch to check and locate / detect fault related to breakdown complete all as directed by Engineer-in-charge.Note:- (a) Spares will be measured and paid separately under relavant items. (b)The break down complaint should be attended within 2 hours with the intimation of Engr-in-charge or concern JE E/M by telephonically / verbally.
153	M&L for painting of monoblock pump set/centrifugal pump sets/air blower including induction motor of any capacity with one coat ofsynthetic enamel paint by using spray gun machine after removing all dust and rust and writing date of painting with black synthetic enamel paint complete all as directed by Engineer-in-Charge.
154	Supply only2mm thick rubber mat 2metre long and 1metre width for installation as directed by Engineer-in-Charge.
155	Supply and fix inrepairs gland packing withGraphite Gland Rope of size 10mm complete all as specified and directed by Engineer-in-Charge.
156	S&F in repairs foot valve as per sample for STP complete all as specified and as directed by Engineer-in-Charge
157	S & F Single Phase Preventor (SPP) Suitable forsubmersible/pump set starter complete all as specified and directed by Engineer-in-Charge.
158	Supply and fixing in repair the following spares for filter feed pumps of capacity upto 5 HP incl taking down filter feed pumps directed by Engineer-in-Charge.
159	pump impler
160	pump line shaft
161	ball bearing.
162	pump water seal
163	Gland.
164	M&L of cleaning of Oil and Grease chamber,Equalization tank,MBBRs, Screening Bar and Centrifuse filter press Chlorine contact tank including cleaning of pumps, LT Panels, DG Set, tertiary filters, micro filter, dosing drums, motors and cleaning will be carried out twice a month for Sewage Treatment Plant of capacity 50 KLD at Dhanvantri (electrically operated containing the machinery) all as specified and as directed by Engineer-in-Charge.Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items.(ii) Cleaning of Oil and Grease chamber, Screening Bar and Centrifuse filter press and removal of sludge cakeshall be carried out.
165	The followings given items from Sr. no.135 to 187 shall be considered under item no 135 location all as specified and directed by Engineer-in-charge.
166	M/L in collection of dried sludge cake from STP once in a month and disposed of safely to a suitable place not more than 10 KM form STP Minniebay location complete all as specified and directed by Engineer-in-Charge.
167	M&L for treatment of STP water with dewatering Polyelectrolysis cationic solution of 0.075% concentration chemical compound shall,consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
168	M&L for treatment of STP water with Sodium hypochlorite consisting 6% chlorine content chemical compound shall consist offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
169	M&L for treatment of STP water with enzyme-2 (DAP consisting 18:46:0,18% Nitrogen and water soluble phosphate 46% chemical shall consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge
170	M&L for bacteria STP Culture for STP for developing MLSS and control odour consisting offifty kilogram packaging complete all as specified and directed by Engineer-in-Charge .
171	M&L for treatment of STP water with calcium Hypochloride 65-70% chlorine content in granular form chemical will consist offorty five kilogram packaging complete all as specified and directed by Engineer-in-Charge
172	M&L for Collecting the waste water/effluent sample monthly from 200 KLD STP(Minniebay Area and Brookshbad) before and after treatment, sample handling, transporting to NABL accredited lab approvedby authorities, carry out the analysis of the followingas per IS 10500and submit records.(i)BOD(Bio chemical Oxygen Demand)(ii)COD (Chemical Oxygen Demand)(iii)TSS(Total Suspended Solids)(iv)Total dissolved solids(v)Turbidity(vii)PH
173	M&L for cleaning of underground sewage treated water sump 50000 ltr by using pump set or bucket & mug etc complete all as directed by Engineer-in-Charge. (b) Removing sludge muds, silt sand etc from insideof tank and depositing in pit (depth of pit not less than 1.5 mtr) to a distance n.exc 50 mtr from tank including exacavation of suitable size of pit and returning, filling etc cleaning of tank with water and all as directed by Engineer-in-Charge. (c ) Removing moulds, moss,foreign materials etc from the internal surfaces of tank and from the mouth of pipe by scrapping with steel brushes/steel wool or steel scrapping, disposing off waste materials to a distance n.exc 50 mtr and cleaning the internal surfacewith clean water. (d) Spreading thin layers of bleaching powder over the entire internal surface area of tank internally and washing with clean water.(e) Applying one coat of lime wash tothe internal surfaces. (f) Applying two acrylic exterior emlonson paint tothe external surfaces of sump.
174	M&L for dismantling of non - clogging sewage submersible pumping set of 1HP/2 HP capacity from200 KLD STP plant and transportationto workshop/site for repair dismantlng of pumping setcomplete segregating the serviceable parts for re-use and removing the defective parts, repair the pump throughly including machine work re-assembling the pump set and shifting to location as directed by Engineer in Charge, making all electrical connection and testing complete on full load to the entire satisfaction of Engr-in-charge (new spares will be measured and paid separately).
175	Supply only for repair of non clogging submersible pump by checking and cleaning throughly and replacing the following defective parts, reassembling the same and testing including installation in position all as directed by Engineer-in-Charge. Line shaft - 04 NosBearings - 08 NosWater seal - 06 NosCasing king key - 06 Nos
176	M&L fortwo coats of colour washing paint of MBBR-1,MBBR-2 out side surface and before painting preparation of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
177	M&L for two coats of colour washing paint of Tube settler outside surface and before painting preparetion of old painted surfaces of any description complete and all as specified and directed by Engineer-in-Charge.
178	M&L for two coats colour washing paint of Chlorine Cum filter feed tank of outside surface and before painting preparetion of old painted surfaces with sand paper and surface make smooth of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified.
179	M&L for two coats ofenamelled paint over a coat of red oxide primer of Dual media filter/Activated carbon filter of size 1000mm dia x 1500mmand before painting preparetion of old painted surfaces with sand paper and surface make smooth of steel and iron of any description,when unconnected with other painting or when painted in a different tint or otherwise as described complete and all as specified by Engineer in Charge.
180	M&L for taking down Hypo dosing pump and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
181	M&L for taking down filter feed pump of capacity upto 5 HP and rewinding with suitable gauge of copper cunductor and testing as directed by Engineer-in-Charge by engineer in charge.
182	M&L for opening for servicing/overhauling the monoblock pump and motor upto 20 HP and replacing the defective bearing,greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve,rubber gasket ,metal filling, turing/ grinding and balancing the shaftetc.and refixing the same all as specified and directed by Engineer-in-Charge.
183	M&L for disconnection of electrical connection and dismantling of capacity upto20 HP non cloging monoblock/monoblock pumpset from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enameled copper wire of suitable gauge with proper insulation replacement of front and rear bearing, assembling and reconnection electrical connection the same as existing and testing complete all as specified and as directed by Engineer in Charge.
184	M&L for taking down air blower from the existing position after disconnecting all electrical connection and transportationto workshop/site for repair for un-serviceable parts completeand removing the defective parts, repair the air blower throughly including machine workand re-assembling the air blowerand commssioning testing complete on full load all as specified and directed by Engineer-in-Charge.Note : Spare parts for repair of air blower also included in this item.
185	Supply and fixing in replacement of air blower of capacity 12.5 HP /as site requirement \"V\" belt of sewage treatment plant complete all as specified and as directed by Engineer in Charge.
186	Supply and fixing in repair rubber star coupling of suitable size pump all as specified and directed by Engineer-in-Charge
187	Supply and fixing in repair dosing pipe of suitable size of dosing pump all as specified and directed by Engineer-in-Charge
188	M&L for dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffuser made of EPDM rubber extruded, diffuser frame fastner etc. complete all as specified and as directed by Engineer in Charge.
189	M & L for cleaning the Raw sewage collection RCC sump /open sump of size as per site.The cleaning includes the followings parts complete all as specified and as directed by Engineer in Charge.a)Dewatering the sump with portable submersible pumpb)Removal of left over dirty water and sludge with a special sludge removal pump.c) Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner.d)Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent,to disinfect the tank from all harmful pathogens.
190	Material and labourfor cleaning of MS Activated carbon filter / MS Dual media filter of size 1000mm dia and 1500mm height ,cleaning of existing pipe holes after refillcomplete all as specified and directed by Engineer-in-Charge.
191	Taking out defective pebbles, Supply andLayingfilter media (pebbles) of size 5mm and 3mmin filter beds complete all as specified and directed by Engineer-in-Charge.
192	Taking out defective coarse gravel, supply and layingfilter media (coarse gravel/fine gravel)in filter bed complete all as specified and directed by Engineer-in-Charge.
193	Taking out defective carbon media, Supply andLayingcarbon filtermedia IV 800 to 1000 (iodinevalue) for two nos filter complete all as specified and directed by Engineer-in-Charge.
194	M & L for replacing fine sand in filter media beds complete all as specified and directed by Engineer-in-Charge.
195	M & L for grass cuttingwith the help of Petrol Grasscutting machine all around the water supply installation of Brookshbad, area complete all as specified and directed by Engineer-in-ChargeNote: 1.The grass cutting machine shall be provided by the Contractor.2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work. 3. Area of Dhanvantri STP 50 Sqm appx.
196	M&L for disconnecting and removing the unserviceable burnt out over load relays of switching current of 5A, 240V AC and coil voltage 28V DC of capacity fromposition and replacing the same with new over load relays including connecting and testing complete all as specified anddirected by Engineer-in-Charge.
197	Attending breakdown for pump/motor i.e minor repair (Changing of gand,nut bolt,connector etc) ,Panels/MCCB/Changeover Switch to check and locate / detect fault related to breakdown complete all as directed by Engineer-in-charge.Note:- (a) Spares will be measured and paid separately under relavant items. (b)The break down complaint should be attended within 2 hours with the intimation of Engr-in-charge or concern JE E/M by telephonically / verbally.
198	M&L for painting of monoblock pump set/centrifugal pump sets/air blower including induction motor of any capacity with one coat ofsynthetic enamel paint by using spray gun machine after removing all dust and rust and writing date of painting with black synthetic enamel paint complete all as directed by Engineer-in-Charge.
199	Supply only2mm thick rubber mat 2metre long and 1metre width for installation as directed by Engineer-in-Charge.
200	M&L for disconnecting and removing unserviceable star coupling assembly set from the pump motor and drive system, supply and fixing new star coupling set of sizes 100/110/ 150/226 with nuts, bolts including making alignment and testing complete all as directed by Engineer-in-Charge
201	Supply and fix inrepairs gland packing withGraphite Gland Rope of size 10mm complete all as specified and directed by Engineer-in-Charge.
202	S&F in repairs foot valve as per sample for STP complete all as specified and as directed by Engineer-in-Charge
203	Supply only flexible PVC hose 25/30mm dia complete all as specified and directed by Engineer-in-Charge
204	S & F Single Phase Preventor (SPP) Suitable forsubmersible/pump set starter complete all as specified and directed by Engineer-in-Charge.
205	Supply and fixing in repair the following spares for filter feed pumps of capacity upto 5 HP incl taking down filter feed pumps directed by Engineer-in-Charge.
206	pump impler
207	pump line shaft
208	ball bearing.
209	pump water seal
210	Gland.
211	Supply and fixing in repair the following spares for treated water pumps of capacity upto 20 HP incl taking down filter feed pumps directed by Engineer-in-Charge by Engineer-in charge.
212	pump impeller
213	pump line shaft
214	pump ball bearing..
215	pump water seal
216	Gland.
217	Supply and fixing flat submersible1100 Volts grade, 3 core copper conductor PVC insulated and PVC sheathed cable of 6 Sq mmincluding taking down old material.
218	Supply and fixing flat submersible1100 Volts grade, 3 core copper conductor PVC insulated and PVC sheathed cable of 4 Sq mmincluding taking down old material.
219	Supply and fixing flat submersible1100 Volts grade, 3 core copper conductor PVC insulated and PVC sheathed cable of 10 Sq mmincluding taking down old material.
220	S&F telerex DWC (double Wall corrugated) HDPE pipe ISI marked of outer dia of 50 mm and inner dia 38 mm polethylene including couplers, bends, cap etc complete all as specified and directed .
221	Supply and fixing in repairs Butterfly valveslever operated body grey castiron of size 65mm bore, with all fittings confirming to ISspecification complete all as specified and directed by Engineer-in-Charge.
222	Supply and fixing in repairs CI/ Gunmetal Butterfly valveslever operated body grey castiron of size 50 mm bore, with all fittings confirming to IS specification all as specified.
223	Supply and fixing in repairs Butterfly valveslever operated body grey castiron of size 25 mm bore, with all fittings confirming to IS specification all as specified.
224	Supply and fixing in repairs non return sluice valves body grey castiron of size 50 mm bore, with all fittings confirming to IS specification all as specified.
225	S&F in replacement dosing pump for chemicals dosing having automatic operation having discharge flowupto 0-20 LPH suitable for chemical dosing all as specified and directed by Engineer-in-Charge
226	Supply and fix in replacement of CPVC ball valvesuitable for 40/50 mm CPVC pipe complete all as specified and as directed by Engineer-in-Charge.
227	Supply and fix in replacement of CPVC multifunctional butterfly valvesuitable for 40/50mm or as per site requirementCPVC pipe complete all as specified and as directed by Engineer-in-Charge.
228	Supply and fix in replacement of 25mm dia CPVC pipes SDR 11 including fittings on walls/ceilings/laying in trenches complete all as specified and as directed.
229	Supply and fix in replacement of 50mm dia CPVC pipes SDR 11 including fittings on walls/ceilings/laying in trenches complete all as specified and as directed.
230	Supply and fix in replacement of air flow meter of suitable size of pipe complete all as specified and as directed by Engineer-in-Charge.
231	Taking down old unsv GI water tubingwith all fittings, laid in trenches/fixed on wall/on roof etc of the folloing sizes :-
232	20mm dia
233	25mm dia
234	40mm dia
235	50mm dia
236	S&F GI tubes medium grade ISI marked galvanized with all fittings, laid in trenches/fixed on wall/on roof etc of the following sizes :-Notes ; Excavation and earthwork required shall deemed to be included in this quoted rate.
237	20mm dia
238	25mm dia
239	40mm dia
240	50mm dia
241	Supply and fixing in replacement Gun Metal, globe or gate valves with iron wheel head, screwed both ends for iron pipe complete all as specified and directed by Engineer-in-Charge :-
242	20mm dia
243	25mm dia
244	40mm dia
245	50mm dia
246	S & F testing and commissioning pressure booster pumpset of size 25mm x 25 mm, suitable for 230 V ,1 phase system having capacity 0.5 HP including fixing with necessary fittings all as specified and directed by Engineer in charge.Model No.K-Booster,Make- Kirlosher Brothers ltd.,Crompton or equivalent.
247	S & F testing and commissioning monoblock pumpset, having head-14 mtr, LPH-25200, and Model no.KDS 113 LPLV, suitable for 230 V ,1 phase system having capacity 1 HP including fixing with necessary fittings all as specified and directed by Engineer in charge.Make- Kirlosher Brothers ltd.,Crompton or equivalent.
248	(a) M & L for cleaning and preparing the surrounding area of the 350 mm DI pipe to ensure ease of access for inspection, maintenance, or installation work. The work will remove any debris, dirt, vegetation, and other obstructions in order to allow proper handling, repair, or inspection of the pipe. (b) Vegetation Removal: Use manual tools or mechanical equipment (e.g., brush cutters, chainsaws) to clear any overgrown vegetation around the pipe. Grass/weeds/branch/small plant cuttingwith the help of Petrol Grasscutting machine,talwar or other tools/equipment which shall required at site for cleaning all around the water pipe lineof Chouldariarea.Total area for cleaning approx 4 mtr wide.. The cleaning of grass around the pipe will also involve the use of heavy-duty machinery if required at site to cut and remove overgrown vegetation.: (c) Debris Removal: Remove any construction debris, rocks, sand, or loose soil from the area.Note :-1.The grass cutting machine, brush cutters, chainsaws or other machinery required at site shall be provided by the Contractor.2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work.3. Inspect the pipe\"s exposed sections to ensure that no damage occurred during cleaning and that it is ready for subsequent work (e.g., welding, repairs).4.Ensure that all waste material is removed from the site and disposed of properly.5.Clear the site of any remaining tools and equipment, ensuring the area is safe for workers.
249	Materials and Equipment Required:Hand Tools: Shovels, spades, brushes, rakes, etc.Mechanical Equipment: Excavators, bulldozers, or backhoes (if excavation is needed), brush cutters, chainsaws, etc.Safety Gear : High-visibility vests, hard hats, gloves, safety boots, eye protection etc.Waste Disposal Containers: For removal of vegetation, debris, and soil.Watering System: For dust suppression if required.Traffic Control: Implement proper traffic management if working near roads or high-traffic areas.Excavation Safety: Follow safe excavation practices and ensure trench stability if excavation is required.Waste Management: Properly dispose of any waste and debris in accordance with environmental standards.Supervision: Ensure that a supervisor or foreman is present during the job to ensure adherence to safety protocols.
250	Supply and fix of leak arresting flexible SS clamps of wrap around single section type of following diameter and maxi range type, double section type. The Clamps made of stainless steel 304 Grade 1.0 mm maximum thickness pasted with waffle gaskets Of natural grade BS EN681-1 and fitted with self stabilizing finger type clamps of the following lengths malleable Cast Iron grade duly powder coated ( BS2789 Grade 400/12 and connected through fasteners of SS 304, hexagonal bolt, nut and washer. etc complete all as specified and as directed by Engineer in charge. Make : -
251	200 NB 214-224 mm x 300 mm Width
252	200 NB 214-224 mm x 600 mm Width
253	250 NB 270-280 mm x 300 mm Width
254	250 NB 270-280 mm x 600 mm Width
255	350 NB 375-385mm x 300 mm Width
256	350 NB 375-385mm x 600 mm Width
257	400 NB 425-435 mm x 300 mmWidth
258	400 NB 425-435 mm x 300 mmWidth

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