8611 Maint Repair Replacement of GI pipe lines, Pumps, pressure filters electric motors external water supply installation DI CI pipe lines connected items and filter media at fresh pump house at old MRS under AGE I R n D NSTL Visakhapatnam

Amount

S&F GI tubing medium grade 80mm dia bore with all fittings such as bends, sockets, elbows, tees, reducers, unions, sockets complete laid in trenches/floors or fixed to walls complete all as specified . (Make: Jindal/Prakash/Tata/Zenith or equvilent)

All as per item No 1 herein before but for 50mm bore dia pipe

All as per item No 1 herein before but for 40mm bore dia pipe

All as per item No 1 herein before but for 25mm bore dia pipe

All as per item No 1 herein before but for 20 mm bore dia pipe

Supply and fix sluice valve, Cast Iron double flanged of 200 mm dia as per IS, with gasket washers, nuts, bolts etc including taking down old UNSV and taken as credit complete all as specified and as directed. Make: Kirloskar/ Leader/ Advance or equvilent

All as per Item no 23 herein before but for 150 mm dia

All as per Item no 23 herein before but for 100 mm dia

All as per Item no 23 herein before but for 80 mm dia

Supply and fix in replacement of Non returning valve, Cast Iron double flanged of 150 mm dia PN 1.6 as per IS, with gasket washers, nuts, bolts etc including taking down old UNSV and taken as credit complete all as specified and as directed. Make: Kirloskar/ Leader/ Advance or equvilent

Supply and laying 80 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Make : Electrosteel Castings Ltd / Keshoram/Tata Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

Supply and laying 100 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Make : Electrosteel Castings Ltd / Keshoram/Tata Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

Supply and laying 150 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Make : Electrosteel Castings Ltd / Keshoram/Tata Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

M&L for DI pipes fittings upto 150 mm bore, such as bend (any type radius and angle) tapers, any type (straight bend increasing decreasing or double socket etc) Tee piece single branch junction 'Y' junction, cross, double branch (all sockets and/or socket and spigot) collars caps and plugs etc complete incl taking down old one all as specified and as directed.

Taking up of unservicable gun metal valves of dia 50mm size, S&F new gun metal gate valve of 50mm dia bore(class-I, 1.5 Mpa) with ISI mark and iron wheel head, screwed both ends to GI pipes. (Make: Leader/Zoloto/Mittal/Neta)

Taking up of unservicable gun metal valves of dia 40mm size, S&F new gun metal gate valve of 50mm dia bore(class-I, 1.5 Mpa) with ISI mark and iron wheel head, screwed both ends to GI pipes. (Make: Leader/Zoloto/Mittal/Neta or equvilent)

Taking up of unservicable gun metal valves of dia 25mm, S&F new gun metal gate valve of 25mm dia bore(class-I, 1.5 Mpa) with ISI mark and iron wheel head, screwed both ends to GI pipes. (Make: Leader/Zoloto/Mittal/Neta or equvilent)

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation of pole or cable trenches etc and getting out in hard/dense soil complete all as specified and as directed by the Engineer-in-Charge.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exceeding 25 cm in soft / loose soil complete all as specified and as directed by the Engineer-in-Charge.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all as specified and as directed by the Engineer-in-Charge.

M&L for cleaning the under ground sump of capacity 2,00,000 Gallon by de-canning of water retained in the sump with the help of suitable pump set and removing the silt/ sludge deposited at bottom, cleaning the internal walls of the sump using high pressure vacuum water jet and cleaning followed by anti bacterial (non toxic) spray with UV radation for killing suspended bacteria, white washing the internal wall/ floor surfaces including prepration and painting all the MS & Steel items/structures inside tank with two coats of synthetic enamel black paint over one coat of red oxide primer and closing all the air vents with wire mesh to avoid mosquito breeding if any, writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground complete at domestic area all as specified and directed.

All as per item No 18 herein before but under ground sump of capacity 40,000 Gallons

M&L for cleaning the Overhead reservior of capacity 2,50,000 Litre at 18m height staging by de-canning of water retained in the sump with the help of suitable pump set and removing the silt/ sludge deposited at bottom, cleaning the internal walls of the sump using high pressure vacuum water jet and cleaning followed by anti bacterial (non toxic) spray with UV radation for killing suspended bacteria, white washing the internal wall/ floor surfaces including prepration and painting all the MS & Steel items/structures inside tank with two coats of synthetic enamel black paint over one coat of red oxide primer and closing all the air vents with wire mesh to avoid mosquito breeding if any, writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground complete at domestic area all as specified and directed.

M&L for cleaning the static water tank of capacity 40,000 Litre to 100000 Litre by de-canning of water retained in the sump with the help of suitable pump set and removing the silt/ sludge deposited at bottom, cleaning the internal walls of the sump using high pressure vacuum water jet and cleaning followed by anti bacterial (non toxic) spray with UV radation for killing suspended bacteria, white washing the internal wall/ floor surfaces including prepration and painting all the MS & Steel items/structures inside tank with two coats of synthetic enamel black paint over one coat of red oxide primer and closing all the air vents with wire mesh to avoid mosquito breeding if any, writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground complete at domestic and technical area all as specified and directed.

M&L for Disconnecting of electric connections from LT control panel and starter of submersible pump set, removing the pipe line connection from discharge side, lifting submersible pump motor set alongwith column pipe from bore well (depth approx 75 RM) with the help of chain pulley block including transporting to workshop for repair (including minor Repair) complete all as specified and as directed by Engr-in-charge.

M&L Lowering of submersible pump set including column pipe after repair and reconnecting with existing pipe line and making electric connection with the panel board including replacement of rusted nuts, bolts, rubber gaskets and clamps including transporting from workshop after repair complete all as specified and as directed by Engr-in-charge.

Rewinding of submersible motor with copper wire of suitable gauge with insulation after removing the old unservicable winding wire and insulated material, cleaning of stator slots and making good for winding all insulating material for submersible motor of capacity 7.5 HP to 10 HP.

M&L for carring out repairs to existing sluice valve chamber of inner size up to and including 0.9m x 0.9m but not exc 1.2 x 1.2m complete by removing small plants, bushes from inside/out side the valve chamber, cleaning internal/external wall surfaces, refixing loose value chamber cover frame by grouting, plastering internal/external walls with cement mortar 1:3 including filling up damaged portion with precast cement concrete solid block masonry 1:3:6 type C1 in cement mortar 1:4 complete all as directed.

All as per item No 13 herein before but of inner size exc. 1.2m x 1.2m but n.exc 2m x 2m

M&L for complete painting of the installation consisting of connected valves(Sluice valve - 03 and NRV-03) and pipe lines (Pump to UG sump)operated with 3 x 50 HP centrifugel pump/motor sets and control LT panel of the existing colour with one coat of synthetic enamel paint all as specified and directed.

M&L for preparation of old painted steel surfaces of valve chamber covers/ covers of UG sump/ overhead Tank etc. and applying one coat of synthetic enamel paint of existing colour complete all as specified and as directed.

M&L for cutting or uprooting grass on old mud phuska including the bushes, plants/trees (less than 5 inch gridth) situated surroundings of water sumps/ OH tanks and removing rubbish offthe premises cleaning surface and preparing to receive new mud plaster complete all as directed by Engr-in-charge

Supply, installation, testing and commissioning in replacement of submersible motor starter cap-7.5 to 10 HP, 415 volts, 3 phase, 50 Hz complete all as specified and directed by Engr-in-charge. Make: L&T/Havells

M&L for Development of Tube well (Flushing) with compressed air at 25% extra capacity of pump duly flushing out muddy water complete including necessery T&P all as specified and directed by Engr-in-Charge

Disconnecting/ dismantling (electrically & mechanically) 3 phase, 440 volts, 50 cycle electrical motor from the mono-block pump set of 10 HP capacity and shifting to work shop, opening the motor end cover, taking out rotor, taking out burnt stator winding, cleaning the stator and rewinding the motor with appropriate gauge, weight and turns of super enameled copper wire using proper insulating material, varnishing with Class-I varnish, heating/ baking, reassembling the motor completely and brought back to site, fixing back duly coupled with the pump in proper alignment, connecting and testing complete all as specified. Note :- Insulation of winding shall be Class 'B' up to 7.5 HP and Class 'F' for 10 HP and above.

Supply only flat 3 core 10 sqmm cable coper armourd cable 1100 V grade complete all as specified and directed make :- Havells or any approved make.

M & L for complete removal of worn out gland rope and supply and fixing of general purpose Gland rope of 15/ 20 mm dia along with corroded nuts and bolts all as specified and directed.

Suply and fixing of CI Foot Valve of 150 mm dia flanged type/ existing as per site requirenment along with brass diaphragm connected gasket nut and bolts with washers complete by removing the old unserviceable one all as specified and direceted. Make: Audco/ Kirloskar / Advance

M&L for taking up old CI Foot valve of 150 mm dia flanged type/ existing as per site, cleaning and removing all the accumulated sediments from the valve including change the Flange and strainer with new one , fixing the foot valve, testing, complete all as specified and directed by the Engineer-in-charge.

Supply & fix in repairs the following Thermal over load relay Make: L&T/ SIMENS /SCHNIDER

(a)Thermal Over load Relay 3 to 5 A (MN2)

(b)Thermal Over Load Relay 9 to 15 A (MN2)

(c) Thermal Over Load Relay 45 to 75 A (MN5)

Supply and fix in replacement 3 pole power contactor of Make : L&T/Simens/Schnider

(a) Contactor , 40-45 A 2 No + 2 NC Aux contacts, Type ML-3

(b) Contactor 70-100 Amps, Type MNX 70

(c) Contactor 12-30 Amps Type MNX 12

(d) Contactor 18-30 Amps MNX 18

Disconnecting/ dismantling (electrically & mechanically) 3 phase, 440 volts, 50 Hz electrical motor from the mono-block pump set of 50 HP capcity capacity and shifting to work shop, opening the motor end cover, taking out rotor, taking out burnt stator winding, cleaning the stator and rewinding the motor with appropriate gauge, weight and turns of super enameled copper wire using proper insulating material, varnishing with Class-I varnish, heating/ baking, reassembling the motor completely and brought back to site, fixing back duly coupled with the pump in proper alignment, connecting and testing complete all as specified. Note :- Insulation of winding shall be Class 'B' up to 7.5 HP and Class 'F' for 10 HP and above.

Disconnecting/ dismantling (mechanically) mono-block pump set from Motor of 50 HP capacity and shifting to work shop, opening the pump and replace the damage parts, the nuts and bolts with new and renewal of gland packing, including lathe work. Reassembling the pump completely and brought back to site, fixing back duly coupled with the motor in proper alignment, connecting and testing complete all as specified.

Supply only Calcium hypochlorite dry free flowing and free from lumps for water treatment in 45 Kg sealed containers with available chlorine 65% and stability 1/15 and Particle size 99.5% all as specified and directed.

M&L for cutting uprooting grass o old mud phuska including the bushes, plants/trees (less than 5 inch gridth) situated surrounding of water sumps / OH tanks and removing rubbish offthe premises cleaning surface and preparing to receive new mud plaster complete all as directed by Engr-in-charge.

M&L for preparation of old painted steel surfaces of valve chamber covers/ covers of UG sumps/ OH tank etc. and applying one coat of synthetic enamel paint of existing colour complete all as specified and directed.

M&L for chemical and Bacteriological and platelets testing to ascertaion the portability of water samples from recognized laboratory duly approved by center/ state Govt and submit the test results duly signed by signed by Lab authorities. Note:- 1. All the materials required for collaction of samples duly sterilized to be provided by the contractor. 2. All Expenditure and transportation charges deemed to be inclusive in the unite rate.

Dismantling the sluice valve, of following sizes, cleaning & removing of rust, old rubber washers, grinding and refacing the rings for smooth operation, renewal of gland plate, gland packing, check nuts & refixing in same position using new nuts, bolts, rubber gaskets, testing & commissioning including applying two coats of synthetic enamel paint (Black) all as directed by Engineer-in-Charge.

(a) 80 mm dia bore

(b) 100 mm dia bore

(c ) 150 mm dia bore

(d) 200 mm dia bore

(d) 250 mm dia bore

M&L Water level indicator meter in feets for OHT tank/under ground sump with black letters, back gound white colour and fixing with angle iron frame with black colour painded and the same is visible with a 30 mtr distance complete all as specified and directed by Engr-in-charge

M&LRotational moulded polyethylene water storage tanks capacity 2000 Ltr (cylindrical vertical with closed top) hoisted and fixed on the concrete the stagging all as spefified and as directed.

M&L Cement concrete type C2 1:3:6 (40mm graded aggregare) in foundations, filling and mass concrete all as spefified and as directed.

M&L Kirloskar Jalraaj 1HP Single phase self priming pumpset all as specified and as directed

M&L Opening the manhole for vertical type pressure filter size 1.5mx6.5m for and taking out existing filter all as spefified and as directed.

Taking out existing filter media of any size from filter bed cleaning and segregating the media for reuse all as spefified and as directed.

Cleaning of internal walls of filter bed after removing the filter media spray and brushing with nylon brush and using bleaching powder and complete cleaning of connected pipes

Laying only 40mm old filter media obtaine from otem No 02 all as spefified and as directed.

Laying only 20mm old filter media obtaine from otem No 02 all as spefified and as directed.

Laying only filter media (Coarse gravel/fine gravel of any size obtain from item No 02 all as spefified and as directed.

Supply and laying filter media with pebbles of naturally smooth surfaced of recommended sizes on layers completely all as spefified and as directed.

Supply and laying filter media with coarse gravel of recommended size on layers completely all as spefified and as directed.

Supply and laying of filter media of 14/30 mess fine sand (silica sand grad only) all as spefified and as directed.

M&L for applying to coates off black bitumen paint inside MS pressure filter all as spefified and as directed.

M&L for disconnecting /mono-block pump set off 3 to 5 HP

M&L for disconnecting/mono-block pump set from motor of 3 to 5 HP capacity replace the damage parts the nuts and bolts with new renewal of gland and reassembling the pump completely all as spefified and as directed.

M&L for fixing CI foot valve of 200mm dia flanged type

M&L for fixing of MS ERW pipe of size 200 mm dia with required modification for increased/decreased length cutting at position making necessary welding work complete

M&L for cleaning of UG sump by pumping out the accumulated water at bottom and removing the complete silt from the sump and cleaning the sump with bleaching power complete.

M&L for carring out repairs to existing sluice valve chamber of inner size up to and including 0.9m x 0.9m but not exc 1.2 x 1.2m complete by removing small plants, bushes from inside/out side the valve chamber, cleaning internal/external wall surfaces, refixing loose value chamber cover frame by grouting, plastering internal/external walls with cement mortar 1:3 including filling up damaged portion with precast cement concrete solid block masonry 1:3:6 type C1 in cement mortar 1:4 complete all as directed.

Replacement of MS cover made out of 5mm thick MS sheet with double hinges and suitable handle locking arrengement etc complete fixed to MS angle iron Frame made out of 40x40 mm size including 15cm long hold fast of 25x25x4 mm MS Feate in iron embeded in PCC coping for valve pit cover of size 1.2x1.2 mtr necessary painting with 2 coats.

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