REPAIR AND MAINTENANCE OF WATER DISTRIBUTION LINE, VALVE CHAMBER, LT PANELS/STARTER AND ATTENDING BREAKDOWN TO DISTRIBUTION LINE AT BV YARD, INS VISAWAKARMA AND AREAS UNDER AOR OF GE (U-II) VISAKHAPATNAM

Amount

S&F GI tubing, medium grade with all fittings, complete fixed to wall and ceilings or laid in floors/trenches for the following sizes complete including taking up / down existing unserviceable pipe, complete all as specified and directed:-

20mm dia bore

25mm dia bore

40mm dia bore

50mm dia bore

80mm dia bore

100mm dia bore

Supply and replace gun metal gate valve of following sizes, with iron wheel head, screwed both ends, Class-II conforming to IS-9338 and fixed, complete all as specified and directed:-

20mm dia bore

25mm dia bore

40mm dia bore

50mm dia bore

80mm dia bore

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying of cables / pipes etc and getting out in soft / loose soil, complete all as specified and directed.

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

Removing excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point, complete all as specified and directed.

Demolition & dismantling of cement concrete in ground floors and paving for making trench for laying pipe including removing the debris from the site, complete all as specified and directed.

M & L for plain cement concrete 1:3:6, type C1, using 20 mm grade stone aggregate for filling the pavings / trenches / foot path etc, complete all as specified and directed.

M & L for Brickwork with Fly Ash bricks, straright or curved on plan exc 6m mean radius built in Cement mortar 1:4 including 15 mm thick rendering in cement mortar 1:4, complete all as specified and directed.

M&L for cutting the Root of trees / branches of any size for laying / repairs of pipeline including filling & making surface good, complete all as specified and directed.

Dismantling of old valve chamber of any size including taking out rusted MS sheet with angle iron frame, complete all as specified and directed.

M&L for construction of brick massonary and valve chamber for the following internal dimension with angle iron frame and MS sheet cover 3mm thick duly painted 2 coats of red oxide/ zinc chromate primer including lifting handle, locking arrangement, excavation and earth work, plastering complete all as specified:-

900 mm x 900 mm x 900 mm

1000 mm x 1000 mm x 1000 mm

S & F in repair following bore size sluice valve of cast iron body with flanged ends duly drilled ISI marked (as per IS (14846-2000) PN - 1.6 with brass spindle and check nut including operating wheel etc. fixed with new bolts, nuts, washers and rubber insertion packing, complete all as specified and directed:-

150 mm bore

100 mm bore

80 mm bore

S&F the following size pipes of 3-layer PP-R (Polypropylene random copolymer) concealed SDR 7.4 Stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain and brass threaded polypropylene random fittings fixed to walls, ceilings etc, complete including taking down old unserviceable GI pipe, complete all as specified and directed:-

40 mm Dia

50 mm Dia

M&L for replacement of U/S rubber insertion packing of following sizes sutiable for foot valve, suction pipe flanged including replacement of U/S nuts and bolts, complete all as specified.and directed:-

150mm dia

100 mm dia

80 mm dia

S & F in repair foot cast iron valve of following sizes including rubber insertion packing materials, nuts, bolts and washer, complete all as specified.and directed:-

M&L for repair & overhauling of squirrel cage induction electrical motor, 3 phase, 415 volts including disconnecting all electrical connections, decoupling from pump, taking down the motor from foundation, cleaning and varnishing the stater & rotor winding, heating and drying, replacement of burnt terminals, greasing to bearings, re-assembling the motor and refixing of motor on the foundation by using new nut, bolts and washers, coupling with pump,checking alignment connecting all electrical connections, checking the vibrations, RPM, DOR, painting with one coat of synthetic enamel paint after preparing the surfaces and testing on full load for the following capacities of motors, complete all as specified and directed :-

100 HP induction motor

40 HP induction motor

20 HP induction motor

M&L for repair & overhauling of centrifugal pump set of any make, dismantling and taking down pump after disconnecting water supply connections, decoupling from motor removing out impeller, cleaning, descaling , greasing to bearings incl replacement of unserviceable parts such as bearings DE & NDE, pump shaft sleeves, coupling pully, pump shaft etc. Assembly in the pump with new packing materials, nuts, bolts & washers , gland bolt & packing,coupling bushes, coupling bolts and coupling with motor checking for vibration & alignment connecting delivery and suction pipe, painting with one coat of synthetic enamel paints testing the pump sets of following capacities, complete all as specified and directed :-

M&L for repair & overhauling of monoblock pump set, taking out impeller, cleaning, descaling & greasing to bearings incl replacement of unserviceable parts such as bearings DE & NDE, gland flange, etc. Cleaning and varnishing the starter and rotar, winding, heating and drying replacement of burnt terminals of motor assembling in the pump with new packing materials nuts, bolts, washers checking alignment connecting all electrical/water connections,checking the vibrations & alignment, RPM,DOR, painting with one coat of synthetic enamel paint after preparing the surfaces, testing the pump sets of following capacities on full load, complete all as specified and directed:- Notes:- (i) Cost of small U/S parts such as new packing materials, nuts, bolts & washers , gland bolt & packing, coupling bushes , coupling bolts shall deemed to be inclusive in quoted rate. (ii) Major unserviceable spares as listed below shall be measured and paid separately.

Monoblock pump set 20 HP

Monoblock pump set 10/12.5 HP

Supply only the following items, complete all as specified and directed :-

Bearings DE & NDE for 100 HP motor

Bearing DE and NDE for pump coupled with100 HP motor.

Bearing DE and NDE for 40 HP motor

Bearing DE and NDE for pump coupled with 40 HP motor.

Bearings DE & NDE for 20 HP motor

Bearing DE and NDE for pump coupled with 20 HP motor.

Pump shaft sleeves for 100 HP pump set.

Pump shaft sleeved for 40 HP pump set

Pump shaft sleeves for 20 HP pump set.

Bearings DE & NDE for 10/12.5 HP monoblock pump set

Bearings DE & NDE for 05 HP monoblock pump set

Bearings DE & NDE for 03 HP monoblock pump set

Pump shaft high carbon steel with check nut for 100 HP pump set

Pump shaft high carbon steel with check nut for 40 HP pump set

Pump shaft high carbon steel with check nut for 20 HP pump set

M & L in repairs for gland packing of required size gland superior quality to centrifugal / monoblock pumps of following capacities, complete all as specified and directed :-

M&L for replacement of pumpset coupling pully with rubber band,nuts and bolts for the following capacity, complete all as specified and directed:-

M&L for rewinding the submersible motor of upto 5 HP capacity, PVC insulated copper conductor of same gauge and same number of turns as that of existing including tieing the winding and connecting the coils and bringing the connections as that of existing, complete all as specified and directed.

Opening up the submersible pump set of 2 to 5 HP for inspection, repairs and re-assembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved spray paint on exposed steel surface, making the pump and motor fully serviceable including lathework etc., and testing the same for satisfactory operation on its full load, complete all as specified and directed. Note:- The spares parts required for replacement shall be measured and paid seperately under relavent items of BOQ

Supply only the following spares for submersible pump set of 2 to 5 HP capacity, complete all as specified and directed:-

Thrust bearing set

Impeller

Shaft key

Stage casing

Neck ring stage casing

Sand guard

Middle sleeve

Middle bearing bush

impeller housing

Bearing bush set

Diffuser

M&L for painting to old CI/DI/MS pipes & Valve chamber cover by making surface of any description by scraping & painting one coats of synthetic enamel paint as per existing colour, complete all as specified and directed.

M&L for stone masonry for walling of random rubble, uncaused, well bonded, built in cement mortar 1:4 for construction of thrust block for the support of water supply pipe line including demolition of existing masonry work, complete all as specified and directed.

Supply and fixing of Submersible cable of size 4 sqmm 3 phase, complete all as specified and directed.

S & F in replacement operating Handle for panel mounted change over Switch of following rateings, complete all as specified and directed:-

63 Amps to 100 Amps

125 Amps to 200 Amps.

250 Amps to 315 Amps.

S&F in repairs Change over switch 4 pole 250A (rotary type) in sheet metal enclosure, complete all as specified and directed.

Supply and fxing MCB , SPN , 40Amps, 10 KA , 240 volts complete, complete all as specified and directed.

Supply and fxing MCB , SP, 6 to 32 Amps, 10 KA , 240 volts, complete all as specified and directed.

S & F LED Multifunctional meter with CTs, complete all as specified and directed Make:- CAT No. WL411010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider

S & F Indication Lamp (LED type) Set of 3, complete all as specified and directed Make:- L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider

S&F in repair MCCB 4 Pole, 415 V, fixed type, 63 to 125 Amps with breaking capacity 16 KA, complete all as specified and directed.

S&F in repair MCCB 4 Pole, 415 V, fixed type, 160 Amps with breaking capacity 16 KA. complete all as directed.

S&F in repair MCCB 4 Pole, 415 V, 200 Amps with breaking capacity 36 KA. Adjustable type, complete all as specified and directed.

S&F in repair MCCB 4 Pole, 415 V, 250 Amps with breaking capacity 36 KA.Adjustable type, complete all as specified and directed.

Supply and replacement of DOL starter for pump sets of capacity up to 7.5 HP AC, 415V 50 Hz 3 phase, relay range 13-22 Amps, complete all as specified and directed.

Supply and replacement of Star delta starter for pump sets of following capacity (AC), 415V, 50 Hz 3 phase, complete all as specified and directed:-

10 HP to 12.5 HP

M&L for painting of LT panel by spraying two coats of epoxy based paint over a coat of red oxide primer after cleaning of rusty panel surface of both inside/ outside by emery paper and necesary preparation of old steel surface, complete all as specified and as directed.

Supply & laying MS ERW pipe of following dia, heavy grade for inserting in position, making leak proof joints including fittings and testing the pipe line for leakage, taking down unserviceable including painting with two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed.

150 mm dia

100 mm dia

80 mm dia

Supply, Lay & fixing in repairs of Ductile Iron pipe of followings sizes, class K 9, Double flanged (screwed) pipes ISI marked with centrifugally lined with cement morta, complete all as specified and directed:-

150 mm dia

100 mm dia

Surface dressing in soft/loose soil not exeeding 15 cm deep, across the pipe lines and including site clearence, cutting and cleaning of branches / bushes / plants / grass obstructing the pipe lines / valves / chambers / sumps / OHTs on either sides and water supply Installation area including disposal of materials up to a distance not exceeding 50 m, complete all as specified and directed.

M&L for Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165, complete all as specified and directed.

M & L for repair to valve chamber of any size as in cleaning/removing debris, mud etc along with normal repaires to its existing structure as brick work in CM (1:6), 100 mm thick PCC (1:4:8) type D2 foundation, plastering internal sufaces where required and external surfaces upto 150 mm below ground level, 15 mm thick in CM (1:4) 50 mm thick (1:3:6) Type C1 coping, complete including white washing the valve chamber, complete all as specified and directed.

Servicing/maintenance of dial type water level indicator by replacing wornout central movement plate, counter weight, centre diving wheels etc., and applying two coats of synthetic enamel paint over a coat of primer, complete all as specified and directed.

M&L for painting of pumpsets of following capacity with a coat of approved synthetic enamel paint including inlet & out let pipe lines including preparation of old painted surface and writting MES number, complete all as specified and directed:-

90 HP to 125 HP

50 HP to 85 HP

20 HP to 40 HP

7.5 HP to 15 HP

2 HP to 7 HP

Material and labour for taking down defective foot valves from UG Sump, scraping the corroded footvalves and painting with one coat of red oxide along with black enamel paint, replacing rubber gaskets, bottom rubber with spring complete with replacement of necessary bolts, nuts, washers for following sizes, complete all as specified and directed:-

150/200 mm dia

80/100 mm dia

Supply and fix in repairs water pressure gauge standard dia 2" dia dial , Range 0-40 Kgs at the delivery side of pump sets complete tubing, fitted with stop cock etc, complete all as specified and directed.

Supply and fix in repair LED street light fitting 60 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection, complete all as specified and directed. Make :- Havells of model no. Endura Omni Pluss SL 60W LED7575A SYTOPC

Supply and fix submersible pump controller suitable for AC 415 Volts, 50 Hz, 3 Phase submersible pump set upto 6 HP capacity including removing the old unserviceable starter from the panel, complete all as specified and directed.

M & L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level, connected to galvanised iron or steel, earth strip 32 x 6 mm size by means of nuts, bolts check nuts and washers made of galvanised iron or steel, earth strip protected by galvanised iron pipe 40 mm bore, medium grade and connected to main switch board or main control board / DG Set as directed and including concrete pit in PCC (1:3:6) type C1, pre-cast RCC cover slab 30 cm x 30 cm x 10 cm with one lifting handle made of 8 mm dia MS bar funnel wire mesh, 20 mm bore galvanised iron or steel pipe medium grade for watering charcoal or coke and salt in alternate layers, necessary excavation and earth work in any type of soil complete all as shown in electrical Plate No 3 of MES Schedule Part- I and testing on completion, complete all as specified and directed.

Dismantling the existing unserviceable LT UG cable and Supply & laying in trenches or fixing on wall or passing through pipe or in cable ducts LT UG cable XLPE insulated and armoured, with aluminium conductor, LT 1100 Volts grade of following sizes, complete all as specified and directed:-

16 sqmm 4 core.

25 Sqmm 3.5 core

35 sqmm 3.5 core.

95 sqmm 3.5 core

120 sqmm 3.5 core

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cable for cushioning of cable, complete all as specified and directed. Note:- The Punned thickness shall be measured for payment.

Supply and lay Fly Ash bricks and laid dry across, in trenches for cable protection, complete all as specified and directed.

Supply and replace notice board of overall size shall be 1200mm long, 75mm deep and 600mm high, 25mmx75mm particle board frame of commercial face with 6mm thick MDF edging alround shall be provided, 19mm thick soft wood board shall be fixed in side the frame over which best quality green baize cloth shall be fixed, Aluminum flat of 63mmx 3.25mm shall be provided alround at the back of the board, on front side 22mmx10mm aluminum channel shall be provided in side of particle board frame to house 4mm thick glass shutter (sliding type with necessary fittings), complete all as specified and directed.

Supply and fix in repairs water level indicator, 36" dia as per IS and including numbering with radium stickering heavy duty float, counter weight heavy duty driving gear nylon wire fitted in all in GI housing, cutting the RCC slab and making good the slab, painting the exposed surface with two coats of synthetic enamel over a coat of red oxide primer, complete all as specified and directed.

Dismantling the old unservicable installation glowing sign board and Design, fabricate, supply & install glowing sign board of size 1.80 x 1.00 x 0.20 metre of board made up of Plain steel sheet of 1.0 mm thick with M S medium grade Square tube supports of size 25mm with Bakelite flex (Transparent) type white and blue in colour by computerised stenciled letters in various clean white capital letters on blue/ other colour as directed in English/ Hindi with required numbers and Flourecent tube lights 4x40 watts (bajaj/Philips) fitting complete including necessary fitment, electrical wiring, MS angles/ Steel round bars, GI sheets, pipes clamps bolts & nuts, complete all as specified and directed.

M & L for replacement of base plate of pump set of following capacities after disconnecting power supply and dismentaling connected cables from motor terminals, dismanteling pump and motor from bed by unscrewing rusted nuts, bolts and coupling etc, complete all as specified and directed:-

10 HP monoblock pumpset

12.5/15 HP monoblock pumpset

25 HP centrifugal pumpset

40 HP centrifugal pumpset

100 HP centrifugal pumpset

Material and labour for removing existing PCC foundation and providing new PCC foundation for installation of pump sets of following capacity on new base plate including high tension grouting bolts, complete all as specified and directed:- Note:- Cost of new Base Plate shall be inclusive of quoted rate.

10 HP monoblock pumpset

12.5/15 HP monoblock pumpset

25 HP centrifugal pumpset

40 HP centrifugal pumpset

100 HP centrifugal pumpset

Material and labour for installation of pumpset of following sizes on New PCC foundation and fixing with new bolts and nuts for base plate, fabricating to suction, delivery and priming line and connecting with existing lines, connecting power supply and testing, commissioning of pump set of following capacity, complete all as specified and directed:-

10 HP monoblock pumpset

12.5/15 HP monoblock pumpset

25 HP centrifugal pumpset

40 HP centrifugal pumpset

100 HP centrifugal pumpset

M&L for disconnecting and removing the existing defective Mono block / centrifugal pump set motor of the following capacity of any make from the installed position by putting dummy plate to suction and delivery removing the burnt out winding and re-winding the same with super enamelled copper wire of same gauge and same No of turns of existing make insulating winding with existing class of insulation varnishing baking up including replacement of base foundation nuts, bolts, wornout parts such as bearings, shaft sleeves, oil seal / gland rope, rubber packing / coupling greasing etc., and re-installation of pump, testing to satisfactory performance, complete all as specified and directed:- Note:- All Bearings, CI gland plates, Terminal block, shaft shall be measured and paid separately under relavent item of BOQ

5 HP to 7.5 HP

10 HP to 15 HP monoblock pumpset

20 HP to 25 HP centrifugal pumpset

40 HP centrifugal pumpset

110 HP centrifugal pumpset

Labour only for attending break down of 300/250/200 mm dia CI/DI/MS pipe pipe line bursting / cracks and including cleaning / removal of broken pipe pieces of various lengths through gas cutting / manual cutting as per site requirement and including inserting necessary specials such as pipes, CI / DI Collar / mechanical Joints etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering, complete all as specified and directed. Note 1:- The quoted rate is deemed to be include the following:- (i) Arrangement of suitable Pump sets for dewatering at the time of attending break down. (ii) Necessary Earth Work, labour/trade men for attending break down. (iii) Labour element required for fixing CI/DI/MS pipes, specials, fittings etc. Note 2:- M & L for Lead joints, DI/ MS pipes, specials, fittings shall be measured and paid seperately under relevant items.

All as per Srl item No 64 above but of 150/100/80 mm dia size.

Supply only Ductile Iron (DI) pipe of following Sizes conforming to IS-8329:2000, with socket & spigot ends, Class "K9" including flexible push on joint in any length, laid in trenches, complete all as specified and as directed:-

150 mm dia size

100 mm dia size

Burning out lead joint in position including removing old lead to store for the following sizes, complete all as specified and directed:-

100/150 mm bore

200 mm bore

250/300 mm bore

Material and labour for run lead joint for spigot and socket pipes (CI/DI) and fittings of following sizes, complete all as specified and directed:-

100/150 mm dia

200 mm bore.

250/300 mm bore.

Supply only DI Specials (any type radius and angle) tapers any type straight increasing decreasing or double socket and ''Y junction double branch ,Collar, cross (all sockets or socket and spigot) caps and plugs upto 300 mm bore, complete all as specified and directed.

M & L Synthetic mat (rubber matting) suitable for 1100 Volts electrical grade 2m x 1m x 19mm thick chequered top, ISI marked to be laid in front of LT panel board, complete all as specified and directed.

S & F in repair Solar Street Light luminaire wattage 30 W, >100 lumen/watt including suitable tubular pole of 5 m height mounted with inbuilt battery (LiFEP04) 12.8 V, 24 Ah, having 50 W Mono Crystalline SPV panel auto on / off of lights while dusk to dawn, complete all as specified and directed. Make:- Havells item code SSSSLX0141 / Sukam Solar model no Sunway LI 14 or equivallent.

Supply only Calcium Hypochlorite, 65 %-70 % in granular form for water treatment, complete all as specified and as directed

SCHEDULE OF CREDIT Note :- Amount of Rs. 1,18,680.00 indicated in Tender Documents as Schedule of Credit shall be deducted from the total quoted amount of BOQ.

Prasad and Suresh Constructions (BID ID -3101131)

CHAITANYA CONSTRUCTIONS (BID ID -3102019)

GVR CONSTRUCTIONS (BID ID -3103880)

Y RAMESH (BID ID -3101904)

M/s.DSRK CONSTRUCTIONS (BID ID -3104946)

M/S SRI VENKATA BHAVANI CONSTRUCTIONS (BID ID -3099517)

GS ENGINEERS (BID ID -3105226)

SRI MAHALAKSHMI CONSTRUCTIONS (BID ID -3104237)