REPAIR MAINTENANCE OF PUMP SETS, STARTER PANELS AND CLEANING OF OVER HEAD TANK, CLEAR WATER SUMPS, FIRE PUMPS AND CONNECTED WORKS AT TECHNICAL AND RESIDENTIAL AREA OF NPOL KOCHI

Amount

Disconnecting and removing Centrifugal pumps of any type coupled with motor upto 15 HP capacity from its foundations/ base frame located at different pump houses, by disconnecting suction, delivery pipes, pump couplers and electrical connections, taking it to workshop for repair and refixing the pump back to its original 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

Centrifugal pump set of any make /model coupled with 12.5/15 HP motor

Monoblock centrifugal pump set of any make /model coupled with 5 HP motor

Dismantling and opening up of MOTOR, AC, Three phase, 415 Volts, 50 Hz , of following capacities, 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:-

Squirrel cage 3 ph Induction motor of capacity 12.5/15 HP

Squirrel cage 3 ph Induction motor of capacity 5 HP

M&L for painting pumpset including preparation old surfaces and painting with two coats of synthetic enamel paint over a coat of red oxide primer including marking the signs, letters, Nos on the pumpset all as specified and as directed.

Upto 5 HP 3 Phase.

Above 7.5 HP up to 15 HP 3 Phase

M&L for painting of old painted GI pipe of any size on the external surfaces after preparation, located in and out of Pump House, by scrapping and cleaning of external surfaces and applying two coats of Sky Blue paint over a coat of red oxide primer complete all as specified and directed.

M&L for removing the dirt, sediments, silt, alge, fungi etc, from the bottom and walls of the inside of the RCC over head tank of following capacity by dewatering the over head tank by deploying mechanical equipments such as high jet pumps and cleaning the complete inner surfaces by rubbing / scrapping by wire brush to remove the sludge, washing with bleaching powder solution and then with water and draining out sludge, water completely including applying one coat of white wash to all the inner surfaces, one coat of black bituminous paint (suitable for drinking water application) to metal ladder inside the tank and details of tanks like date of cleaning, capacity of tanks etc shall be written on the outside of the tank with synthetic enamel paint with letter size 20 cm high in white colour, over a black background of size 100x60 cm all as specified and directed

1 lakh gallon capacity on 18 mtr staging

0.5 lakh gallon capacity on 18 mtr staging

M&L for removing the dirt, sediments, silt, algae, fungi etc, from the bottom and walls of the inside of the RCC Semi Under Ground Sump of following capacity by dewatering the over head tank bby dewatering the over head tank by deploying mechanical equipments such as high jet pumps and cleaning the complete inner surfaces by rubbing / scrapping by wire brush to remove the sludge, washing with bleaching powder solution and then with water and draining out sludge, water completely including applying one coat of white wash to all the inner surfaces, one coat of black bituminous paint(suitable for drinking water application) to metal ladder inside the tank and details of tanks like date of cleaning ,capacity of tanks etc shall be written on the outside of the tank with synthetic enamel paint with letter size 20 cm high in white colour , over a black background of size 100x60 cm all as specified and directed. Note : Charges for pumpset along with operator for dewatering of RCC semi underground sump shall be deemed in the quoted rate

1 lakh gallon capacity

0.5 lakh gallon capacity

0.2 lakh gallon capacity

M&L for removing the dirt, sediments, silt, algae, fungi etc, from the bottom and walls of the inside of the RCC service over head tank on roof top of the buildings or on staging of following capacity located at different places of Residential & technical area under NPOL by dewatering the over head tank by any means and cleaning the complete inner surfaces by rubbing / scrapping by wire brush to remove the sludge, washing with bleaching powder solution and then with water and draining out sludge, water completely including applying one coat of white wash to all the inner surfaces, and details of tanks like date of cleaning ,capacity of tanks etc shall be written on the outside of the tank with synthetic enamel paint with letter size 20 cm high in white colour , over a black background of size 100x60 cm all as specified and directed

S&F in repairs float Valve 40mm bore (Ball brass valves) high pressure type with polyethylene float and flynut complete, screwed for iron pipe or brass ferrule and taking out old unserviceable one all as specified and directed

All as per item no 9 above but of size 25mm bore

All as per item no 9 above but of size 20mm bore

M&L for repair of water level indicators, replacing the nylon rope of existing length and size, greasing and repair to rope guide pulley, replacement of unserviceable float balls and painting steel surface with synthetic enamel sky blue paint one coat including writing of alphabet /numbers of white paint preparation of surface etc complete in over head tanks and underground sumps all as specified and directed.

Repairs and servicing of Electric chlorine dozing Pump/ system Make Sathya sai Aquua Pura Services with Antisiphon valve including servicing of pump and motor with repair/ replacement of unserviceable parts like piston, stroke controller, suction and delivery tubing, PVC foot valve, nozzle, solution tank inlet, PVC water tubing 15mmbore, gate valve 15mm size etc, complete all as specified and directed.

Supply, install, test & commissioning of LT Control/ starter panel board (Indoor Type) suitable size, CPRI approved factory made, cubical type, compartmentalized design, back door, openable, fabricated out of 2mm thick CRCA sheet, weather / dust / vermin proof, suitable spaced, totally enclosed in chamber, earthing arrangement, locking arrangement with one number lock with duplicate key, duly powder coated, having danger notice boards and earthing terminals on both sides, with and including provision of the following items and connection of all incoming and outgoing cables using suitable size lugs and glands, spreader terminal set, control wiring, panel to be mounted on cable trench if required with base channels as required complete in all respects, complete all as specified and directed:

(i) 4 Nos Aluminium Busbars of high conductivity, 3 Nos for phase (R,Y,B) rating 200Amp and 1 No. for neutral rating 100Amp, mounted on DMC support with heat shrink sleeve - 1 Set.

(ii) MCCB TP 100 Amp 25 KA – 1No

(iii) MCB TP 32 Amp – 2 Nos (outgoing)

(iv) Star delta starter suitable for 3 phase 415 v,10 HP motor complete - 02 Nos

vii) Indication Lamp (R,Y,B), LED type, with toggle switches – one set of three

M&L for repair/replacement of Foot valve , brass heavy duty of following sizes including taking up the suction pipe and refixing the same after replacement of foot valve in to the sump for proper functioning of pump all as specified and directed

100mm size

80mm size

50mm bore

M&L for cleaning of pump set's starter panel after dismantling the incoming and outgoing connections from MCCB's/MCB's and replacing the old unserviceable gland, lugs, nuts & bolts, push buttons, indicating lamps, supporting insulators etc, and checking the serviceability of MCB's cables and earth continuity conductor including replacement of worn out and unserviceable minor accessories all as specified and directed

M&L for removing and replacing the following unserviceable items / parts in the existing panel, connecting up and testing all in repairs including material for wiring if required as specified and as directed :-

Power contactor ML 1.5, 25 amps suitable for 12.5/15 HP centrifugal pump set 3 phase starter AC 415 volts 50Hz of heavy duty Make : L & T or equivalent

Push button kit of colour red/green

indication lamp RYB LED type incl connection

Phase preventer 415V make Minilec or equivalent.

Volt meter, suitable for measurement up to 600 Volts , digital type, panel flush mounting type

Ammeter digital type 0-100 Amps, panel flush mounting type incl replacement of CT of suitable ratio of set of three

Overload relay suitable for ML 1.5 contactors range upto 35 A

M&L for Replacement of unserviceable DOL Starter suitable for motor up to 5 HP including connections

Supply and fix in repairs gun metal gate valve of size 50 mm ISI marked with iron wheel head screwed both ends all as directed.

All as per item No 19 above but 40 mm bore

All as per item No 19 above but 25 mm bore

All as per item No 19 above but 20 mm bore

Supply & Fixing GI tubing medium grade of size 50 mm with and including all fittings such as bends, elbows, tees, short pieces etc complete on wall and ceiling or laid in floors after taking down old unserviceable GI pipes upto bldg having G+7 floors including necessary scaffolding and safety items all as specified and directed by Engr in charge.

All as per item No 23 above but 40 mm bore

All as per item No 23 above but 25 mm bore

All as per item No 23 above but 20 mm bore

M&L for PCC 1:3:6 Type C2 (using 40mm graded aggregate) for making good the disturbed surface of road, Floor, thrust block etc, complete all as specified and directed.

Supply and laying in trenches spigot and socketed ends, centrifugally cast (spun) iron pipes class 'LA" suitable for run lead joints, 150 mm bore dia, conforming to IS : 1536-2001 and ISI marked, including caulking, testing of the pipeline complete, including taking up old CI pipe all as directed, Note: Excavation and earth work, joints and jointing material, certain CI specials will be measured and paid separately

M & L for run lead joints for spigot and socketed end including spun yarn or tarred gasket for 150 mm bore pipes. Note: Excavation and earth work shall be measured and paid seperately

S & F CI fittings, ISI marked, heavy duty, such as CI bends (any type, radius and angle) Tappers any type (straight , bend, increasing , decreasing or double socket etc) Tee pieces single branch , Y junctions , double branch, cross complete to walls and ceiling or laid in floors with all fittings (all sockets or socket and spigot), collars, caps , upto 150 mm dia pipe

M&L for replacement of Cast iron sluice valve, heavy duty (PN-1.6) with flanged ends, stainless steel spindle any pattern with iron wheel head conforming to IS standards including jointing and jointing materials, nuts, bolts, rubber gasket and washers etc including taking out old unserviceable one complete all as specified of following sizes

a) 150mm bore

b) 100 mm bore

Repair/ preventive maint or smooth operation function of defective sluice valves of size 80 mm to 150 mm from existing section / 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.

Repair to leakage / damage CI Pipe line pump out the line water and cutting out CI pipes at both ends and inserting with new short pieces, jointing materials and testing etc for 150mm bore pipe. (Excavation and earth work, pipe length, CI fittings and joints shall be measured and paid separately under relevant items of this schedule)

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft / loose soil for laying/taking out GI pipe line all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layer not exceeding 25 cm in soft/loose soil all as specified and directed.

Removing excavated soil not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified and directed.

M&L for Construction of brick masonry valve pit of internal dimension 60 x 60 x 60 cm depth with sub class 'B' bricks in CM (1:4) and 10 mm thick plastering in CM (1:4), PCC (1:4:8) type D2 (Using 40 mm graded broken stone aggregate) as in foundation lean concrete, PCC (1:4:8) type CI (using 20 mm graded broken stone aggregate) as in bedding and copping, MS frame with 40 x 40 x 6 mm angle iron and 6 mm thick MS sheet cover plate with locking arrangements, hinges and two coats of synthetic enamel paint over one coat of red oxide primer including preparation of surface, two coats of white wash on plastered surface (exposed to view) including necessary excavation in soft loose, soil, returning filling in and removal of surplus soil to a distance not exceeding 50 m complete all as specified and directed.

Supply and laying or fixing or passing through pipe, 1100 volts grade heavy duty cable with PVC insulated aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed 25sq. mm 4 core nominal cross section in service connections

Supply and laying or fixing or passing through pipe, PVC insulated, armoured ,heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 35 sq. mm 3.5 core

Supply and laying or fixing or passing through pipe, PVC insulated, armoured, heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 70 sq. mm 3.5 core

Supply and laying or fixing or passing through pipe, PVC insulated, armoured, heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 150 sq. mm 3.5 core

ZOOM ENTERPRISES

N.O. Antony Contractors