REPAIR MAINTENANCE OF PRESSURE FILTER PLANT, PUMP SETS, STARTERS ETC, AND CONNECTED WORKS AT PUMP HOUSES SITE A AND VARUNA SITE B AREA AT NPOL KOCHI

Amount

Labour only for disconnecting and removing Centrifugal pumps of any type coupled with motor upto 15 HP capacity from its foundations/ base frame, by disconnecting suction, delivery pipes, pump couplers and electrical connections, taking it to workshop for repair and refixing the pump back to its position after getting repair and making all connections, carry out alignment, testing for satisfactory function all as specified and as directed:- Note: Repairing of pumps/motors shall be measured and paid separately under relevant items.

Dismantling and opening up of PUMP assembly of following capacities complete, removing worn out Gland bush, Housing for bearing, Gland Packing, Balancing, Pin locking set, nuts and bolts, Machining work etc., and replacing with new parts of same make/model/type including necessary machining works, replacement of worn out bearings both DE/NDE, assembling and testing for smooth operation at workshop as required, all as specified and as directed for the following capacity

(a) Monoblock centrifugal pumpset of make kirloskar pumpset of any make /model coupled with 15 HP motor

(b) Monoblock centrifugal pumpset of make kirloskar pumpset of any make /model coupled with 5 to 3 HP motor

Dismantling and opening up of MOTOR AC, Three phase, 415 Volts, 50 Hz , Squirrel cage of capacity 15 HP capacity, removing burnt out winding wires complete, cleaning stator and rotor assembly, rewinding the stator with same gauge and type of insulation copper conductor winding wires and insulation sheets, applying insulating varnish over the complete winding, drying up by heating, assembling back the stator and rotor including replacement of terminal blocks and terminal bolts and nuts, both end bearings with same size / make complete all as specified and as directed.

Repair/ preventive maint or smooth operation function of defective sluice valves of size 80 mm to 150 mm from existing suction / delivery / distribution pipe line, opening up/unscrewing of nuts & bolts and replacing with nuts bolts washers gaskets packing/gland packing and repairs of leakage complete as required at site, reassembling and fixing sluice valve to its original position testing complete all as directed.

Supply only ALTOUGH-GP (Calcium Hypo Chlorite) 65%-70% Chlorine content (Calcium based Granular disinfectant for water treatment) packed in 45 Kg plastic drum and Make:- Aquuafit, Declibac technologies private Ltd

Repairs to existing PLC (Program Logic Controller) based pump control system with panel by removing and replacing the old unserviceable following items, connecting up and testing including material for wiring if required as specified and as directed a) Rust proof Magnetic Switch Sensor, Make: Yogitech - 2 Nos b ) Pressure Switch RT116-1 to10 (BAR), Make: Danfoss - 1 Nos

Supply and fix in repairs cast iron sluice valve, of size 100 mm bore, ISI marked , long body type, Pressure type, PN 1.0, flanged ends and drilled having Stainless steel IS 6603 spindle with iron head wheel at the top complete with nuts, bolts, washers, rubber gasket, fittings required and jointing complete all as specified and directed. Make Kartar/Upadhyaya/KPM

Maintenance to pressure type sand filtration unit by opening completely and taking out the existing filter media (sand and pebbles) & strainers. Carry out repair/maintenance work to casing by necessary tinkering and scrapping to make the filter vessels rust free. Refilling the removed filter medias after washing, fixing of new strainer and replacing the teared gasket, worn-out nuts, bolts and washers with new complete including preparation for removing of old painted steel/iron surfaces of pressure filter media chamber by scrapping and cleaning of internal surfaces and applying two coats of black bituminous anti corrosive paint suitable for drinking water complete and also servicing of sluice valve complete all as specified and directed by Engr-in-Charge.

M&L for removal of vegetation, grass and un wanted material from the soft soil area near or surrounding of pump house, natural pond and other installations by Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out and removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above shall be deemed in the quoted rate.

M&L for clean the natural pond after dismantling the existing pump and allied accessories including following process such as Pumping out the water, clearing out algae (removing string algae with brush, net or hand), supplement aeration with a water pump to the water by churning, removal of plants as the water level drops, scoop out decayed plant matter, removal of sludge and dispose of the waste in the trash as directed by Engr - in Charged. Note: Dismantling & re-installation of pump, foot valve with pipe etc shall be deemed in the quoted rate

Supply and fix in repairs foot valve, flanged type heavy duty of 10 Kg per sqcm and connected to suction pipe with neoprene gasket incl MS nut bolts and washers including removing of old unserviceable foot valve complete of size 150 mm all as directed Make : Normax or equivalent

Supply and fix in repairs cast iron sluice valve, of size 150 mm bore, ISI marked , long body type, Pressure type, PN 1.0, flanged ends and drilled having Stainless steel IS 6603 spindle with iron head wheel at the top complete with nuts, bolts, washers, rubber gasket, fittings required and jointing complete all as specified and directed.

Supply & Fix Domestic water meter complete consist components: (a) above ground extruded water meter box and extended lid with slider(b) water meter (plastic bodied class C volumetric rotary piston liquid sealed register) with unique meter serial number where first two digits indicate year of manufacture (c) 3 way concentric restrictor valve (d) SABS(blue) lever type consumer ball valve (e) fusion welded PPR pipe assembly tested 25 bar of 15mm to 25 mm

M&L for Testing of water for potabilty in Government approved Laboratory as per IS-3025, complete all as specified and directed.

M&L for testing of existing earthing connected to various machineries to find out the resistance value

M&L Earthing complete with galvanized steel earth plate electrode 600x600x6.0mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connected to galvanized iron strip 25 X 4 .00 mm as earthing by means of bolts nuts and washers of galvanized iron including excavation and earth work and disposal of surplus soil including 40 mm GI tubing light grade and necessary fittings for protection of GI strip including laying of charcoal , dust and common salt, PCC 1:2: 4 type B 1 using 20 mm graded aggregate with earth pit with 40 X 40 X 6.0 mm MS angle iron frame RCC cover 40 mm thick (1:2: 4) Type C0 (using 12.50 mm graded stone aggregate) reinforced with 8 mm dia round bar @ 75 mm C/C both way with plastering 15 mm thick CM ( 1: 6) internally and up to 150 mm below ground level externally. PGI funnel with wire mesh, 20 mm dia medium grade GI pipe for watering complete all as shown on electrical plate No : 03 of SSR part - I 2009 and connected to earth test point including testing completed all specified and directed.

Cutting the existing GI pipe of size 80 mm dia, inserting tee of size 100 x 100 x 40 mm for taking branch connection including necessary threading, earth work, returning, refilling etc complete all as specified and directed.

Supply Rotational moulded polyethylene water storage tanks, triple layer, of 500 Litres (cylindrical vertical with closed top) hoisted and fixed in position all as directed by Engr-in-charge

Supply and fix in replacement on wall/Floor/Ceiling /Concealed in wall high pressure CPVC pipes SDR-13.5 & plain CPVC SDR 11 fittings including all necessary fittings, like Elbow, Tee, Socket , Reducer, bushings , step over bends ,end caps, End plugs, etc and with CPVC solvents cement of size 40 mm dia complete all as specified and directed by Engineer in charge .

All as per item No 19 here-in-before but of size 20 mm dia

Supply and fix in replacement Ball valve, CPVC, 40 mm dia ISI marked with accessories all as directed

S&F in replacement High efficient surface mounted LED batten specially designed extruded aluminium housing, high optically efficient polycarbonate diffuser, in-built electronic driver duly wired up to terminal block. LED make- Everlite, IP 20, CRI>80, temperature range : 0 to 50 degree C, driver efficiency >85%, power factor >0.9, THD<20%, colour temperature - 6500K, surge protection 2KV, 37000 burning hours, multistage isolated constant current operated driver with range 110-265V AC and safety extra low voltage safe level <60V DC as per IEC standard LED batten, wattage < 20W similar to Havells Make LUMILINEPLUSBS20WLED865SPCSS with Luminaire lumen > 2000 and system efficacy > 100lm/W.

S&F in repairs Water meter of size 150 mm bore, bulk enclosed type testing and making good connection with flanged ends, with gasket rubber sheet and nut and bolts etc ISI marked.

Cleaning of pump houses inside and outside upto 3 mtr all around the bldg, machineries and Panel Room/panel boards incl removing and cleaning of vegetarian/ creepers around the pond area using required tools like Air Blowers, Brooms & Brushes, grass cutters etc., all as directed by Engineer-in-Charge.

Supply and fix the following accessories including dismantling of old U/S all as directed by Engr In charge

(a) MCCB 250 Amp-25 KA Adjustable type 4P

(b) MCCB 100 Amp-25 KA Adjustable type 4P

(c) Change over switch 200 Amps , open execution typ 415 volts , 50 Hzs 01 Nos

(d) Voltmeter 0-500 Volts Digital type

(e) Amp meter 0-100 Amps Digital type

(f) Internal wiring of LT panel board/ feeder pillar box with copper conductor of suitable size complete with colour coding and fixing with ties and lugs all as specified and directed by Engr in Charge .

S&F in repairs Motor starter star /Delta type fully automatic suitable for operation on AC, three phase four wire,415 Volts, 50Hz supply for motor of capacity 15HP with relay relay range complete in the existing panel ,connecting up and testing including necessary control wiring with suitable size of copper cable complete all as specified and directed.

S&F in repairs DOL starter suitable for operation on AC, three phase, 415 Volts, 50 Hz supply for motor of capacity upto 5 HP with relay range fixed to wall complete connecting up and testing including necessary control wiring with suitable size of copper cable complete all as specified and directed

ELSOL ENGINEERS

ZOOM ENTERPRISES