REPAIRS OF WATER SUPPLY DISTRIBUTION SYSTEM PUMP SET SHALLOW WELL AND ALLIED WORKS AT POCKET A B D E AND KV UNDER GE AF TRIVANDRUM

Amount

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying UG cable/steel tubing etc and getting out in hard/dense soil complete all as specified and directed.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exc 25 cm thick with soil complete all as specified and directed.

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

Taking up or down steel tubing and connections of following sizes including cleaning for refixing or removal to store complete all as specified and directed. Note: Excavation and earth work shall be measured and paid separately

20 mm dia bore

25 mm dia bore

40 mm to 50mm dia bore

80 mm dia bore

100mm dia bore

Supply and laying and testing of medium grade galvanised iron steel tubing of following sizes, ISI marked, including GI fittings such as unions, reducer sockets, socket reducing bends, elbows, tees, checknuts, caps, plugs etc complete laid in trenches/floors etc complete all as specified and directed. Make : Jindal/Tata/Prakash

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

80 mm dia bore

100 mm dia bore

Taking up or down PP-R pipe and connections of following sizes including cleaning for refixing or removal to store complete all as specified and directed. Note :Excavation and earth work shall be measured and paid separately

25 mm dia bore

32 mm dia bore

Supply and fix replacement 3-layer PP-R ( Polypropylene random copolymer) concealed pipes SDR 7.4(PN 16)UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed for following sizes complete to walls,ceillings or in floors complete all as specified and directed

25 mm dia bore

32 mm dia bore

Supply and fix in replacement PP-R Gate valves (brass insert) for following sizes

25 mm dia bore

32 mm dia bore

Repairs/ servicing to sluice valve by taking out unserviceable spindle along with worn-out check nuts from the sluice valve of following sizes of bore after removing the top cover and stuffing box of sluice valve spindle, and refixing with new spindle with check nut, gland packing, gasket, replacing of rusted unserviceable nuts/ bolts/ washers with SS with new nuts, bolts, gaskets etc for arresting all leakages/ smooth operation complete all as specified and directed. Note :- Rate are included cost of Spindle along with check nuts and nuts/ bolts.

80 mm dia bore

100 mm dia bore

Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exceeding 5 cm but not exceeding 10 cm and dia of neck 5 to 10mm complete all as specified and directed.

M & L for attending water supply break down by cutting and removing carefully damaged cast iron/ galvanised iron water pipe line of various sizes upto 150mm dia without damaging other service lines and supply and fixing new cast iron/ GI pipe of of various sizes upto 150mm bore as per site requirement and making joints with old pipe lead joints/ welding works etc and pressure testing on completion of work and restoring the water supply complete all as specified and directed. Note:- Rates shall be deemed to be inclusive of taking all precautionary measures before taking up the work. Excavation & earth work, pipe line and lead joints shall be measured and paid separately under respective items of this schedule.

pipe size upto 50 mm dia

pipe size 80 to 150 mm dia

M & L for making CD Joints through JIFFY COUPLING complete with GI nut, bolts, rubber O rings & all accessories and arresting the leakage for pipes of following dia of bores complete all as specified and directed.

80 mm dia bore

100/ 150 mm dia bore

S & F in repairs Gun metal globe or gate valve with iron wheel head, screwed both ends for iron pipe of following size of bore and conforming to IS 778 of 1984 complete all as specified and directed. Make : Leader/Kirloskar/Zoloto

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

S & F in repairs CI sluice valves of following size of bore, flanged, heavy duty, class PN 1.0, as per IS-14856 including brass spindle, with hand wheel, nuts bolts and gaskets complete all as specified and directed.Make Leader/Kirloskar/ Bir

80 mm dia bore

100 mm dia bore

S & F in repairs Non return (Reflux) Valve, cast iron, of following size of bore, flanged, with GM working parts as per IS - 5312, with nuts bolts and gaskets complete all as specified and directed. Make Leader/Kirloskar/Normax

80 mm dia bore

100 mm dia bore

S & F in repairs gun metal non return valve of 50 mm dia bore, screwed complete all as specified and directed.Make:leader/ Kirloskar/ Zoloto

S & F in repairs CI foot valve Ball type flanged end of following size of bore, flanged/as per IS - 4038 with nuts, bolts and gaskets etc complete all as specified and directed. Make Normax,/Kirloskar/ Leader

50 mm dia bore

80 mm dia bore

100 mm dia bore

150 mm dia bore

S & F in repairs DOL starter suitable for 3 to 5 HP induction motor, 3 Phase 415 Volts, 50 Hz AC complete all as specified and directed. Make: L&T/ Siemens/Schneider

S & F in repairs fully automatic Star Delta Starter suitable for induction motors of following capacities, 3 Phase 415 Volts 50 Hz AC, with single phase protection complete all as specified and directed.

10 HP/ 7.46 KW induction motor Type ML1.5 of L&T / seamen's/Schneider

15HP/ 11 KW induction motor Type ML1.5 of L&T / seamen's/Schneider

20 HP/15 KW induction motor Type ML2 of L&T / seamen's/Schneider

40 HP/30 KW induction motor Type ML3 of L&T / seamen's/Schneider

S & F in repairs 3 pole power contactor, 415 V 50 Hz AC with 1 No NO/NC auxiliary contact suitable for starters of following capacities of motor complete all as specified and directed.

15 HP motor Make L&T type MNX 12 or equivalent in / Siemens/ Schneider

20 HP motor starter Make L&T type MNX 22 or equivalent in / Siemens/ Schneider

40 HP motor starter Make L&T type MNX 22 or equivalent in / Siemens/ Schneider

S & F in repairs thermal over load relay of range 9 to 15 A and suitable for 15 HP motor starter complete all as specified and directed. Make L&T Type MN or equivalent in / Siemens/ Schneider

S & F in repairs thermal over load relay of range 14 to 23 A and suitable for 20 HP /25 HP motor starter complete all as specified and directed. Make L&T Type MN or equivalent in / Siemens/ Schineder

S & F in repairs thermal over load relay of range 20 to 33 A and suitable for 40 HP motor starter complete all as specified and directed. Make L&T Type MN or equivalent in / Seimens/ Schineder

S & F in repairs single phase preventer for 3 phase 415V AC power supply complete all as specified and directed. Make Minilac/ L&T / BCH

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

S & F in repairs solar heating / Geyser coil of capacity 2 KW complete all as specified and directed.

Dismantling three phase 440 volts motors of following capacities, cutting and removing burnt 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 complete all as specified and directed.

3/5 HP capacity

7.5 HP capacity

10 HP capacity

15 HP capacity

20 HP capacity

40 HP capacity

M & L for servicing of pump sets of following capacities including replacement of ball bearing, mechanical seal and greasing etc complete all as specified and directed.

3/5 HP capacity

7.5 HP capacity

10 HP capacity

15 HP capacity

20 HP /25 HP capacity

40/35 HP capacity

73 HP capacity

S & F in repairs UPVC flat submersible, water proof cable, 3 core 4 Sqmm copper conductor, multi stranded 1100V grade complete all as specified and directed. Make : Finolex/Plaza/ Polycap

M & L for cleaning overhead tank of 50000 leters capacity 15 Meter staging ) 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, writing the date of cleaning and capacity on outside of tank etc in bold letters complete all as specified and directed. 2. M&L for 50000 Ltr capacity Overhead tanks with 15m staging for externally and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint/weather coat of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 Sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10sqm over prepared surfaces including complete removal of existing treatment all as per below mentioned stages for complete exterior including all walls, all columns, beams, stairs, ceilings, parapets, top roof etc:- (i) Complete removal of existing treatment: The surfaces to be applied with Acrylic emulsion paint shall be cleaned to remove loose dirt or dust, lichen, algae, fungi or any organic growth by use of stiff brush. Then the surface is washed well and allow water to dry. All cracks, voids and minor damages shall be patched/repaired prior to application of paint with white cement putty or with Plaster of Paris.In case of old surfaces where excessive fungal/algal growth is observed the surface should be bio washed as per manufacturers instructions. Allow the surface to dry before it is ready for painting. (ii) Primer Coat: Over this prepared surface apply a coat of acrylic emulsion exterior primer as per manufacturer’s instructions. This shall be allowed to dry for 4 to 6 hours before application of final paint. (iii) Finishing Coat: Acrylic Exterior Emulsion paint of premium quality 100% Acrylic shall be applied in two coats as per manufacturer's instructions. Paint shall be applied with brushes or roller and shall be allowed to dry for 3 to 4 hours between subsequent coat. (iv) Finishing to Pipes and Ladders if any: Preparing old painted steel surfaces and applying one coat (finishing coat) of synthetic enamel paint complete Note: Rate shall be inclusive of necessary scaffolding arrangement for the complete work and provision of all precautions like safety helmet, safety belts etc to the labours. The bidders are requested to visit site before quoting. Note: Contract will start painting after ensuring the full safety precautions of labours and fully responsible for labours safety while doing the job on overhead tank

. M & L for cleaning overhead tank of 10000 leters capacity 05 Meter staging ) 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, writing the date of cleaning and capacity on outside of tank etc in bold letters complete all as specified and directed.

M & L for cleaning underground sump of following capacities 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 appx two weather coat paint outer surface of UG sump/ semi UG sump and painting & writing the date of cleaning and capacity on outside of sump in bold letters etc complete all as specified and directed.

2.25/2 lakh Ltrs capacity

1 lakh Ltr capacity

50000 Ltr capacity

M & L for cleaning shallow wells of following sizes by draining/ pumping out complete water from the well, cleaning with wire brush for removing scales, algae etc from inside and removing silt accumulated at the bottom of the well including complete removal of existing treatment and , painting all metal surfaces including wire mesh angles, channels and painting to top grilled iron cover with two coats of synthetic enamel paint over one coat of primer and writing the date of cleaning and capacity on outside of shallow well in bold letters etc complete all as specified and directed.

3 m dia and depth upto 18 m

5 m dia and depth upto 10 m

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

M& L for servicing maintenance of bleaching dozer installed at pump house of existing make including cleaning, oiling & greasing. Check serviceability of bleaching dozer and injector check valve and minor parts. Note : Contractor will ensure that complaint will be attended with 2 hrs and rectified within 24 hrs for smooth functioning of the system. Major spares ie dossing pump and injector valve will be measured and paid separatey under relevent items:

Supply only Decrin Dosing Pump suitable for chlorination system complete all as specified and directed.

Supply only Injection Check valve 3/8“ for Decrin Dosing Pump Part No MCINJ38 or its equivalent complete all as specified and directed.

Supply only bleaching powder stable conforming to IS complete all as specified and directed.

S & F in repairs gun metal non return valve of 25 mm dia bore, screwed, ISI marked complete all as specified and directed.

M & L for plain cement concrete 1:3:6 type C1 using 20mm graded aggregate laid in foundations/ valve chamber filling, support of pipe laying and mass concrete etc complete all as specified and directed.

Collecting the drinking water sample from Pump Houses & Shallow well for testing the water at Public Health Department, Kerala Government as per the Government norms and submitting the Lab Test Report in the name of Garrison Engineer (AF) Trivandrum complete all as specified and directed

S&F in repairs of framed brackets of angles or tees with a web and flanged cut to shape, drilled and countersunk for screw, including bending and welding angles as necessary, gusset plates, reiveting etc not exc 10 kg each brackets, confirming to Fe 290 Gde E -165 for fabrication of water tank staging including applying two coats of synthetic enamel paint over a coat of red Oxide primer complete all as specified and as directed

Lifting/ dismantling from shallow well and servicing of submersible pump set of following capacities, transporting to a reputed workshop including replacing unserviceable parts such as water seals, bearing, bushes, lub oils, etc, necessary lathe work including complete removal of existing treatment and applying two coats of synthetic enamel paint over one coat of suitable primer, transporting back, connecting, testing and commissioning, lowering in to the shallow well complete all as specified and directed Note : Rates are deemed to be inclusive of taking up the pump set from shallow wells and refixing after servicing in the same position

M & L for construction of brick masonry valve chamber of size 1200mm x 900 mm x 900 mm with foundation in PCC 1:4:8 type D2, brick work built in cement mortar 1:4 with 15 mm plastering both internal complete and external surfaces (15cm below GL) and floor finished using plastering over PCC 1:4:8 including provn of MS sheet cover 5 mm thick surrounded by MS angle iron of size 40 x 40 x 6 mm framework embedded in PCC coping of 1:3:6 type C2, painted with two coats of synthetic enamel paint over one coat of red oxide primer on steel surface including earth work and excavation complete all as specified and directed.

Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint

M & L for repairs of damaged valve pit by brick masonry work built in cement mortar 1:4 with 15 mm plastering both internal complete and external surfaces (15cm below GL) and floor finished using plastering over PCC 1:4:8 including cement based paint all as specified or as directed by Engr In Charge including demolition existing pit and earth work and excavation complete all as specified and directed.

M& L for taking our old valve pit covers and M& L for valve pit cover with MS sheet cover 5 mm thick surrounded by MS angle iron of size 40 x 40 x 6 mm framework embedded in PCC coping of 1:3:6 type C2, painted with two coats of synthetic enamel paint over one coat of red oxide primer on steel surface including earth work and excavation complete all as specified and directed. Note : PCC and angle iron will be measured and paid separately.

Supply and laying and testing of ductile iron of 150 mm K9 , including flange etc laid in ground or above ground level complete all as specified and directed. Make : Jindal/Tata/Prakash

M&L for Bends. Tapers. Tee pieces (single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged for upto 150mm bore pipe

Taking up or down CPVC pipe and connections of following sizes including cleaning for refixing or removal to store complete all as specified and directed. Note :Excavation and earth work shall be measured and paid separately

25 mm dia bore

32 mm dia bore

Supply and fix replacement 3-layer CPVC concealed pipes SDR 11 and Plain CPVC SDR 11 for hot and cold water supply including all CPVC plain and brass threaded polypropylene random fittings fixed for following sizes complete to walls,ceillings or in floors or in trenches complete all as specified and directed

25 mm dia bore

32 mm dia bore

Taking up or down UPVC(Unplaticised PVC)pipe and connections of following sizes including cleaning for refixing or removal to store complete all as specified and directed. Note :Excavation and earth work shall be measured and paid seperately

25 mm dia bore

32 mm dia bore

Supply and fix replacement 3-layer UPVC pipes of pressure rating 10 kgf/sqr cm having thermal stability including all UPVC plain and brass threaded polypropylene random fittings fixed for following sizes complete to walls,ceillings or in floors complete all as specfied and directed

25 mm dia bore

32 mm dia bore

M&L Servicing of solar water heater system of 100 ltr capacity complete by cleaning collector plate / panel and descaling with suitable chemical flushing out solar panel, arresting leakage in the system, replacing hot water hose pipe of existing sizes & PUF insulation of pipe , painting the solar panel frame with two coats of synthetic enamel paint over one coat of primer and writing MES No etc with approved paint complete all as specified and directed

M&L for Storage tank suitable for 100 ltr capacity, outer body made out of high engineering plastic and inner container made out of SS 304 L Plasma TIG welded and insulated with PUF insulation complete with heating element 2 KW with thermostat including hoisting to the inlet and outlet connections from solar panel complete Make - Racold /Kraft.

M&L for solar plate collector with 4mm thick glass, frame made of aluminium section complete panel of approx. size 1.00 mtr X 2.00 mtr maximum working pressure 245 Kpa (2.45 Bar) including necessary water connection.

Supply and fixing replacement of MCCB, 415 volts, four pole of capacity 100 Amps, 25 KA, adjustable thermal- magnetic release, including spreader terminals, phase barriers, thimbles of suitable size etc and making electric connections and taking down old unserviceable MCCB, complete all as directed. Make: Legrand/ L&T.

All as per items No. 58 here-in-before but 125 Amp capacity, 25 KA

All as per items No. 58 here-in-before but 160 Amp, 25 KA capacity

Dismantling pressure pump motors from its existing location, cutting and removing burnt 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 complete all as specified and directed. Note: rates are included for taking down and refixing of motors after rewinding and transportation to civil workshop and back to site.

S & F in repairs flexible rubber coupling disc suitable for 40 HP pump set after removing the motor from pump and making alignment for smooth functioning complete all as specified and directed.

Labour for laying of GI Tubing of 40/50 mm size in trenches /floor/ceiling including accessories. Note: GI steel tubing will be issued under schedule "B" from MES store and necessary TPT and labour shall be arranged by the contractor upto site, repairs if any damages of pipes shall contractor's "responsibility and no extra payment will be made in this effect Note:Item ser 64 will be executed before item No 5

M & L for cleaning overhead tank of 2.25 lakh leters capacity (20 Mter staging ) 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, writing the date of cleaning and capacity on outside of tank etc in bold letters complete all as specified and directed. 2. M&L for 2.25 lakh capacity Overhead tanks with 20m staging for externally and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint/weather coat of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 Sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10sqm over prepared surfaces including complete removal of existing treatment all as per below mentioned stages for complete exterior including all walls, all columns, beams, stairs, ceilings, parapets, top roof etc:- (i) Complete removal of existing treatment: The surfaces to be applied with Acrylic emulsion paint shall be cleaned to remove loose dirt or dust, lichen, algae, fungi or any organic growth by use of stiff brush. Then the surface is washed well and allow water to dry. All cracks, voids and minor damages shall be patched/repaired prior to application of paint with white cement putty or with Plaster of Paris.In case of old surfaces where excessive fungal/algal growth is observed the surface should be bio washed as per manufacturers instructions. Allow the surface to dry before it is ready for painting. (ii) Primer Coat: Over this prepared surface apply a coat of acrylic emulsion exterior primer as per manufacturer’s instructions. This shall be allowed to dry for 4 to 6 hours before application of final paint. (iii) Finishing Coat: Acrylic Exterior Emulsion paint of premium quality 100% Acrylic shall be applied in two coats as per manufacturer's instructions. Paint shall be applied with brushes or roller and shall be allowed to dry for 3 to 4 hours between subsequent coat. (iv) Finishing to Pipes and Ladders if any: Preparing old painted steel surfaces and applying one coat (finishing coat) of synthetic enamel paint complete Note: Rate shall be inclusive of necessary scaffolding arrangement for the complete work and provision of all precautions like safety helmet, safety belts etc to the labours. The bidders are requested to visit site before quoting. Note: Contractor will start painting after ensuring the full safety precaution of labours and fully responsible for labours safety while doing the job on overhead tank.

VISHNU (BID ID -3094588)

SAM ENGINEERS (BID ID -3086757)