MAINTENANCE REPAIR OF WATER SUPPLY DISTRIBUTION SYSTEM REPAIR OF PUMP SETS SHALLOW WELLS AND ALLIED WORKS AT POCKET A B AND KV AREA UNDER GE AF TRIVANDRUM

Amount

SCHEDULE 'A'

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 complete all as specified and directed. Note: Excavation and earth work shall be measured and paid seperately

25 mm to 50mm dia bore

80 mm dia bore

100mm dia bore

Supply, laying and testing of medium grade galvanised iron steel tubing of following sizes, 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

25 mm dia bore

40 mm dia bore

50 mm dia bore

80 mm dia bore

100 mm dia bore

Repairs/ servicing to sluice valve by taking out unserviceable spindle along with wornout check nuts from 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 : Cost of fittings /fixtures is deemed to be included in quoted rate by Contractor

80 mm dia bore

100 mm dia bore

S & F 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 size 80 to 150mm dia without damaging other service lines and supply and fixing new cast iron/ GI pipe of 80 to 150mm bore as per site requirement and making joints with old pipe using 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

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/Kirloslar/Zoloto

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 1.6, 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/Kirloslar/Normax

80 mm dia bore

100 mm dia bore

150 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

M & L for preparation of outer surfaces of semi under ground sump of capacity 2 to 2.25 Lakh liters and applying two coats of heat resistant paint of approved colour over one coat of primer complete all as specified and directed.

S & F in repairs CI foot valve of following size of bore, flanged/ screwed with GM working parts as per IS - 4038 with nuts, bolts and gaskets etc complete all as specified and directed. Make: Normax or equivalent in Kirloskar, Leader.

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 /Siemans/Schineder

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 specfified and directed.

15 HP/11 KW induction motor Make: L &T model ML 1.5 or equivalent make in Siemens/Schneider

20 HP/15 KW induction motor Make: L &T model ML 2 or equivalent make in Siemens/Schneider

30 HP induction motor Make: L &T model ML 3 or equivalent in Siemens/Schneider

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

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

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

3/5 HP motor starter Make: L & T model MNX 32 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 model 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 model MN or equivalent in Siemens/Schneider

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 model MN or equivalent in Siemens/Schneider

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

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 Capacirty

15 HP Capacirty

20 HP Capacirty

30 HP Capacirty

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

20 HP /25 HP Capacity

30 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.

M & L for cleaning shallow wells of following sizes by draining/ pumping out complete water from 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 applying one coat of lime wash, 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 etc in bold letters complete all as specified and directed Note : Record of date of cleaning shall be kept in record

3 m dia and depth upto 18m

5 m dia and 10 m depth

M & L for cleaning underground sump of 2.25/2.00 lakh Ltrs capacity 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, painting and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed.

M & L for cleaning overhead tank of 225000 Ltrs capacity (20 Mtr 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, applying a coat of white wash for all surfaces of the overhead tank from inside, painting 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 15 KL to 20 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 surfaces of the overhead tank from inside, painting and writing the date of cleaning and capacity etc in bold letters complete all as specified and directed. Note: Rate of scaffolding required for cleaning of overhead tank is deemed to be included in Contractors quoted rate and also precautionary measures shall be taken by Contractor as per IAFW-2249

Supply only bleaching powder stable conforming to IS 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.

Lifiting/ 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, lubricating 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 dismantling foot valve of following size of bore, screwed/flanged from suction line of existing pumpset and removing all rust, dirt, alage etc and replacing old leather gasket with new one for arresting the leakage and refixing in the same position and testing complete all as specified and directed.

100 mm dia bore

80 mm dia bore

M & L for mild steel fabricated from structural steel sections including welding, bending cold or hot, drilling holes for bolts/hinges in any shape or size as indicated or directed and inclusive two coats of synthetic enamel paint over one coat of red oxide primer for repair of valve chamber/ UG sump/ OHT cover etc after removing old rusted MS plate/angle etc complete all as specified and directed.Note : Rate of leather gasket shall deemed to be included in quoted rate by Contractor

M & L for preparation of old painted steel and iron surfaces and applying two coats of synthetic enamel paint over a coat of red oxide primer etc complete all as specified and directed.

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

Supply only PVC Tube suitable for Decrin Dosing Pump complete all as specified and directed. Make: Decrin Part No MCCP207 or its equivalent.

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

Supply only 3/8“ white suction/ discharge tubing of high quality for Decrin Dosing complete all as specified and directed.

M & L for complete removal of old painted surface of centrifugal / monoblock pumpsets of following capacities and applying two coats of synthetic enamel paints as approved over a coat of redoxide primer and refixing the same complete all as specified and as directed.

5 HP to 15 HP capacity

20 HP capacity

30 HP capacity

Supply only calcium based granular disinfectant for water treatment, high stable (65 to 70%) in packing of 45kg plastic drum complete all as specified and directed Make- Aquafit by M/s Sree Rayalaseema or equivalent ISI marked.

Supply only electric motor suitable for actuator of following sizes complete all as specified and directed. Make: Ritetork/ Universal or equivalent

80mm dia

100 mm dia

150 mm dia

Supply only MS spiral gear for gear box or actuator of following sizes complete all as specified and directed. Make: Ritetork/ Universal or equivalent

80 mm dia

100 mm dia

150 mm dia

S & F in repairs gun metal Butterfly valve of following size of bore confirming to IS-5290 complete all as specified and directed. Make: Leader/Kirloskar/Normax

80 mm dia bore

100 mm dia bore

150 mm dia bore

S & F in repairs pressure gauge 4mm dia and 0 to 21 kg rating complete all as specified and directed. Make: Udahy/Sikka or equivalent

Material and labour for applying two coats of heat resistance aluminium paint over the surface of the following capacity of Water Treatment Plant :-

1800 mm dia dual media filter 50 cum/ Hrs (Vayu Vihar Pump House)

2100 mm dia Activated carbon filter 50cum/ Hrs ( Vayu Vihar Pump House )

2100 mm dia Iron removal filter 50cum/ Hrs ( Vayu Vihar Pump House)

Supply, installing, testing and commissioning Outdoor type LT panel, cubical type, platform mounted, factory made, totally enclosed, dust & vermin proof, of 3 mm CRCA sheet, MS flat & angle supports/ frames, duly fabricated , suitable for 415 volts 50 Hz 3 phase 4 wire system and comprising of the followings features with front and rear opening and mounted with brick/ PCC pedestral pillars with a clearance of atleast 0.3mm above ground level after disconnecting electrical connections & making good the disturbed surfaces etc at Vayu Vihar Pump Shallow well No.6 & 7 complete all as specified and directed. Note :- (i) PCC will be measured and paid seperately

BUSBAR CHAMBER : 200 Amps rated aluminium bus bar 03 Nos for RYB and 100 Amp 01 No for neutral, duly insulated with coloured PVC sleeve as per standard colour code and rigidly mounted on bakelite/ DMC Square/round insulator bus bar support of suitable size and good insulation resistance

OUTGOING (i) MCCB 63 Amps 3 pole of breaking capacity 16 KA, AC 415 V - 02 No. Make : Legrand/Siemans/ABB (iI) MCB TPN 32 Amps of breaking capacity 10 KA, 415 V 50Hz AC, - 01 No. Make : Legrand/Siemans/ABB (iii) Star delta starter Make L & T Model ML-1- 02 No.

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

Material & Labour for the following item to replace the media for 1800 mm dia dual media filter 50 cum/ Hrs (Vayu Vihar Pump House)

Anthracite

Filtering Sand

Fine Silex Sand

Coarse Silex Sand

Gravel (6-2)mm

Pebbles (20-12)mm

Pebbles (40-25)mm

Material & Labour for the following item to replace media for 2100 mm dia Activated carbon filter 50cum/ Hrs ( Vayu Vihar Pump House )

Activated Carbon IV 450

Fine Silex Sand

Coarse Silex Sand

Gravel (6-2)mm

Pebbles (20-12)mm

Pebbles (40-25)mm

Material & Labour for the following item to replace the media for 2100 mm dia Iron removal filter 50cum/ Hrs ( Vayu Vihar Pump House)

Manganese dioxide

Filtering Sand

Fine Silex

Coarse Silex Sand

Pebbles (20-12)mm

Sub Total of Schedule 'A'

SCHEDULE OF CREDIT

Schedule of Credit (Minus) Rs. 28,865.00 B/F from Ser page No.108,109. NOTE: Bidder shall insert credit amount as rate Rs. 28,865.00 in Green field under Col-5.

Sub Total of Schedule of Credit

General Engineering and Constructions

K A ALIYAR