REPAIR REPLACEMENT OF EXTERNAL WATER SUPPLY SYSTEM INCLUDING PUMPS,VALVES VALVE CHAMBER AND PANEL BOARDS AT CERTAIN UNITS AT SHANKHUMUKHAM MUKKUNNIMALA AND MUTTATHARA UNDER GE AF TRIVANDRUM

Amount

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying UG cable not exc 1.5m in depth and getting out in soft/loose soil all as specified and as directed.

Returning, filling, incl spreading levelling, watering and well ramming in layers not exc 25cm with soil comlete all as specified and directed

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

Taking down old unserviceable GI Pipe and supply, fixing, laying & testing galvanised iron water tubing of following capacities, medium grade, ISI marked with and including all GI fittings such as unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc. laid in trenches/floor complete all as specified and directed.

25 mm dia

40 mm dia

50 mm dia

80 mm dia

100mm dia

Taking down old unserviceable UPVC pipes and Supply and fixing, laying & testing UPVC pipes of following capacities, ISI marked pressure rating 10 Kg/Sqcm and confiming to IS 4986 including all fittings such as unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc. laid in trenches/floor /wall complete all as specified and directed.

25 mm dia

40 mm dia

50 mm dia

63 mm dia

M&L for tracing of leak and rectifying leak in 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches( pipe of size 50 to 90 mm Outer dia including replacing of necessary nipple and bend/ elbow and replacing of additional small lenghth of PP-R pipe as follows and ckecking of leak after completion of work complete all as specified and as directed. (Note PP-R pipe required shall be measured and paid seperately under respective item)

50mm outer dia

90mm outer dia

M&L for replacement of 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings of outer dia 32mm laid in wall/floor/ceiling with connecing accessories and ckecking of leak after completion of work complete all as specified and as directed.

All as per item No 7 above but of outer dia 40mm.

M&L for providing PCC block of appx size 30x30x50cm for laying GI pipe in rockey and slope areas with PCC type C1 1:3:6 (20mm graded stone aggregate) complete all as specified and as directed.

Supply and fix in repair Gun metal globe or gate valve of following sizes with iron wheel head screwed both ends conforming to IS 778 of 84 for iron pipe complete all as specified and directed.

25 mm dia

40 mm dia

50 mm dia

Supply and fix in repair CI Sluice valve of following sizes flanged, heavy duty, class PN 1.6, as per IS-14856 including brass spindle, with hand wheel, nuts bolts and gaskets complete all as specified and directed.

80 mm dia

100 mm dia

Supply and fix in repair cast Iron butterfly valve confirmimg to IS: 13095 operating with lever suitable for 80mm GI pipe all as specified and directed.

Supply and fix in repair cast Iron butterfly valve confirmimg to IS: 13095 operating with lever suitable for 63mm GI pipe all as specified and directed.

Supply and fix in repairs CI Ball Foot Valve Heavy duty of CI body and cover with Nitrile Rubber coated ball with Covering ring one side flanged complete of following sizes all as specified and directed.

50 mm dia

80 mm dia

Supply and fix in repair 100 mm Non return Sluice valve flanged end, cast iron body, flanged and drilled and non rising type stainless steel spindle with nut, long body, class P N 1.6, conforming to IS 14846 of 2000 including all flange joint with rubber or fiber board, bolts, nuts and washers complete all as specified and directed by Eng-in-Charge.

Supply and fix in repair 80 mm Non return Sluice valve flanged end, cast iron body, flanged and drilled and non rising type stainless steel spindle with nut, long body, class P N 1.6, conforming to IS 14846 of 2000 including all flange joint with rubber or fiber board, bolts, nuts and washers complete all as specified and directed by Eng-in-Charge.

Supply and fix Pressure gauge 100 mm dia with ball valve of pressure 25 Kg/Sqcm complete all as specified and as directed.

Supply and fix in repair Cast Iron Air Valves with single air Outlets, conforming to IS 14845 of size 50 mm dia bore and fixing up in GI/CI/DI Water supply mains of size 150/100/80 mm dia complete all as specified and as directed.

Supply and fix in repair DOL starter suitable for 3 to 5 HP induction motor, 3 Phase 415 Volts, 50 Hz complete all as specified and directed.

Supply and fix in repair Single phase preventer for 3 phase 415V AC power supply complete all as specified and directed.

Servicing of Chlorine dozing pump of capacity 6ltr/hour by renewing unserviceable parts like injection valve,diaphram etc complete all as specified and directed. Note : Spares will be measured and paid seperately

Dismantling, Cutting and removing burnt centrifugal mono block motor winding, cleaning the slots and rewinding with approved quality super enamelled copper conductor winding wire of existing size and capacity including insulating materials, varnishing baking etc and reinstalling in existing position, testing etc for three phase, 440 volts motors of following capacity complete all as specified and directed :-

3.5 HP to7.5 HP Capacirty

10 HP to 30 HP Capacirty

Material and labour for servicing of pump sets including replacement of Ball bearing, mechanical water seal and greasing etc and applying two coat of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.for the following pump sets complete all as specified and directed :-

5 HP Capacirty

7.5 HP Capacirty

10 HP Capacirty

30 HP Pump set

Supply and replacement of new Float valve high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe suitable for 20mm bore all as specified.

All as per item No- 24 above but 25mm bore.

M & L for cleaning of overhead PVC tank of 5000Ltr capacities by draining/ pumping out complete water from the tank, and removing scales, algae etc from inside and removing silt accumulated at the bottom of the tank, flushing out with bleaching powder and clean water with the help of pump or drain out as required and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

M & L for cleaning of static water tank of 50 KL capacity by draining/pumping out complete water from the tank, cleaning with wire brush for removing scales, algae etc from inside and removing silt accumulated at the bottom of the tank, flushing out with bleaching powder and clean water with the help of pump or drain out as required, applying a coat of white wash to all concrete surfaces of the tank from inside, painting of all metal parts and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

M & L for cleaning of static water tank of 10 KL capacity by draining/pumping out complete water from the tank, cleaning with wire brush for removing scales, algae etc from inside and removing silt accumulated at the bottom of the tank, flushing out with bleaching powder and clean water with the help of pump or drain out as required, applying a coat of white wash to all concrete surfaces of the tank from inside, painting of all metal parts and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

M & L for cleaning underground sump of following capacites by draining/ pumping out complete water from sump, cleaning with wire brush for removing scales, algae etc from inside and removing silt accumulated at the bottom of the sump, flushing out with bleaching powder and clean water with the help of pump or drain out as required, applying a coat of white wash for all surfaces of the UG sump from inside and outside, painting and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

3 Lakh Ltr Capacity

1 Lakh Ltr capacity

50000 Ltr Capacity

20000 Ltr Capacity

10000 Ltr capacity

M & L for cleaning shallow well of depth 10M to 18M by draining/ pumping out complete water from sump, cleaning with wire brush for removing scales, algae etc from inside walls and removing silt accumulated at the bottom of the well, and clean water with the help of pump or drain out as required, applying a coat of white wash for all surfaces of the shallow well from inside, painting and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

Supply only Liquid sodium hypo chlorite solution grade-I as per IS - 11673 complete all as specified and directed.

Supply only calcium based granular disinfectant for water treatment high stable (65 to 70%) in packing of 45 Kg plastic drum complete all as specified and directed.

M&L for servicing of Submersible pumpset of capacity 5 HP/7.5HP/10HP by lifting/dismantling from shallow well , transporting to a reputed workshop including replacement of unserviceable parts such as water seals,bearing ,bushes,lube oils etc including necessay lathe work and applying two coat of synthetic enamel paint over one coat of suitable primer transporting back and connecting,testing and commissioning lowering into the shallow well complete all as specified and directed. Note:- rates are deemed to be inclusive of taking up the pump from shallow well, transportation and refixing after servicing in the same position.

M&L for lifting and dismantling of borewell submersible pump of capacity 8.5HP by removing CI/GI pipe, transporting to a reputed workshop including replacement of unserviceable parts such as water seals,bearing ,bushes,lube oils etc including necessay lathe work and applying two coat of synthetic enamel paint over one coat of suitable primer transporting back and connecting,testing and commissioning lowering into the bore well complete all as specified and directed. Note:- rates are deemed to be inclusive of taking up the pump from bore well, transportation and refixing after servicing in the same position.

M&L overhauling & servicing the solar water heater 100/200 ltr capacity by repair/replacing the spares and blocks in the solar cells removed by the acid cleaning and damaged solar cells to be replaced . (Spares will be measured separately)

Supply only Anode for solar water heater 100 Ltr capacity

Supply only Gasket set for solar water heater panel suitable for 100Ltr capacity

Supply only solar cells to replace the damaged cells in the solar panel for solar water heater 100 Ltr capacity

S&F in repairs themostat suitable for 100 Ltr/200Ltr capacity solar water heater complete all as specified and directed.

S&F in repairs heating coil capacity 2KW suitable for solar water heater complete all as specified and directed.

S&F in repairs borosilic vacuum tube suitable for 200 Ltr capacity solar water heater complete all as specified and directed.

S&F in repairs gun metal non return valve of size 20 mm dia ISI maked ,screwed complete all as specified and directed.

Supply only Chlorine test kit with coloured ample complete with all testing fitments and OT solution in rexine finish box.

M&L for preparation of old painted surface by removing rust/foreign material from the outer surface of Iron removal filter,Dual media filter and Activated carbon filter and painting with two coat of synthetic enamel paint over one coat of epoxy primer after removing of rust/foreign material from outer surface all as specified and directed.

Collection of water sample from UG Sump/Shallow well/Bore well at 17FBSU and its lodger units, transporting to authorised water analysis laboratory for testing and submitting the report to Engr-in-Charge all as specified and directed.

ROTECH ENGINEERS AND BUILDERS

General Engineering and Constructions

GRAND COOL SOLUTIONS

M/s.Rejoy Constructions