8198 CLEANING OF O/H, U/G RESERVOIRS AND BUILDING SERVICE TANKS INCLUDING REPLACEMENT OF WATER TANK AND CONNECTED WORK OUTSIDE NAVAL DOCKYARD UNDER GE(NW) KUNJALI

Amount

M&L for seven stage cleaning and sterilization inside the Underground/semi underground sump of following capacities through anti-bacterological chemical by using TERBAC G5, TERBAC G10, TERBAC G65, SODIUM HYPOCHLORIDE and UV RAY by involving the following seven (7) stages of cleaning process including cleaning the external surfaces, structure for scales and other particles any algae, hives and any type of vegetation or any other type of unwanted matters and repairs to internal/eaternal cracks, small holes with cement and sand motar (1:4) and applying one coat of white wash to internal surface when became dry and two coat of white wash to external surface complete all as specified and as directed by Engr-in-Charge. Seven (7) stages of cleaning process

(a) First stage is to draining out the reserved water by using exit valve or high capacity pump of dewareing system. (b) Second stage is cleaning all the algae formation inside the tank removing all the scale,dirt,mud inside the tank by using TERBAC G10/ SODIUM HYPOCHLORIDE Chemical complete. (c) Third stage is scrubbing the walls and floor with mechanized scrubber & fresh water cleaning by high speed jet pump (rotary & flat) to remove all scaling, algae and other formed particles on internal surfaces of the tank completeley. (d) Fourth stage is first bacteria screening i.e. de-gernification by using TERBAC G5/ TANK SAN chemical complete. (e) Fifth stage is cleaning the floors of the water tank by heavy duty industrial vaccum cleaner and sludge sucker maximum 1200W with suitable heaby duty rugged motor to make the sump free of any foreign and loose particles of any nature. (f) Sixth stage is the second bacteria screening and sterilisation method by using UV RAYS by heavy duty UV radiation which shall have 360 degree of sterlization with in the tank and kills all suspended bacteria.(The radiation shall portable and effective for sterlization of drinking water tanks for dimination of floating and suspended bacteria)

(g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor and wall of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65/ Inoxi-60/NB-69 or equivalent any non toxic bio-degradable eco-friendly anti-bacterial agent certified by a Govt approved laboratory to disinfect the tank from all harmful pathogans.ote:-(i) Entire T&P should be arranged by the contractor at their own.Only electric power & water shall be supplied by MES at all stipulated rate.(ii) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100mm height. (iii) All safety equipments required like safety helmets, Gumboots, safety belt, mask, safety googles and necessary insurance of safety of working labours to execute the work is responsibility of the contractor and rates quoted shall be deemed to be inclusive of the same.(iv) Contractor will submit Govt laboratory test certificate of TERBAC-G%, TERBAC-G10 and TERBAC G65, SODIUM HYPOCHLORIDE, TANK SAN, Inoxi-60/NB-69.

(a) Upto 450000 ltr capacity

(b) Upto 225000 ltr capacity

(c ) Upto 100000 ltr capacity

All as per item No.1 above but RCC over head tanks on staging/terrace in any position of following capacity .

(a) Capacity upto 10000 ltr

(b) Capacity upto 5000 ltr

(c) Capacity upto 2500 ltr

Cleaning of PVC tank in any position by rubbing, washing, removing all scale and dirt etc from tanks and from mouths of circulating pipes etc with the help of water jet equipment which creats a pressure of 100-150 bar and removal of remaining sludge from the tank with the help of industrial vacuum cleaner cluding spreding spray of non toxic, biodegradable, ECO friendly, anti bacterial, agent certified by Govt, approved laboratory to disinfect the tank from all harmful pathogens complete all as specified and directed by Engr-in-Charge for following tank capacities :-

Capacity from 200 TO 999 Ltrs

Capacity from 1000 TO 1999 Ltrs

Capacity from 2000 TO 4999 Ltrs

Capacity from 5000 TO 9999 Ltrs

Capacity from 10000 Ltrs and above

Material and labour brick masonary valve chamber of size 0.90 m x 0.90 m x 0.90 m (internal size) and cover including earth work complete all as specified and comprising of the following.

(a) 150 mm thick PCC 1:4:8 type D2 using 40 mm graded stone aggregate for foundation

(b) Brick work 230 mm thick built in CM 1:4

(c) 15 mm thick rendering in CM(1:4) internally and externally to exposed surface of brick work including 150 mm below ground level

(d) 100 mm thick coping in PCC 1:2:4 type B1 using 20 mm graded stone aggregate

(e) MS covers made out of 5 mm thick MS plate with double hinges, fixed MS angle iron frame made out of MS angle iron 40 x 40 x5 mm thick including 150 mm long hold fast made out of MS flat iron of size 25 x 4 mm embedded in PCC coping MS covers shall be provided with suitable hand grip and suitable locking arrangement all as directed.

(f) All MS surfaces shall ,be painted with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified

All as per item No 1 herein before but of size 0. 60 m x 0 .60m x 0.60 m Internal size

Taking down old unserviceable GI/MS and Supply and fix GI tubes medium grade of 100 mm dia complete with all fittings (like; union, tee, bend, elbow, reducer, socket) to be fixed on wall and ceilings or laid in floors/trenches complete of following bore of pipes:-

(a) GI Pipe size 80 mm dia

(b) GI Pipe size 50 mm dia

(c ) GI pipe size 40 mm dia

(d) GI pipe size 25 mm dia

(e) GI Pipe size 20 mm dia

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundation/laying of pipe etc and getting out in hard dense soil complete all as specified.

Returning filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm deep as in soil complete all as specified .

Removing surplus excavated soil to a distance not exceeding 50 m and deposited where directed complete all as specified.

Taking down old unserviceable Gate valve Supply and fix gun metal gate valve, with iron wheel head screwed both ends for iron pipe of 80 mm bore incl provn of union nipples sockets etc.

(a) Size 50 mm bore

(b) Size 40 mm bore

(c ) Size 25 mm bore

(d) Size 20 mm bore

Taking down old unserviceable Float valve and Supply and fix ball brass high pressure with polythene float and fly nut of 50 mm dia complete screwed to iron or brass ferrule

(a) size 40 mm dia

(b) size 25 mm dia

(c ) size 20 mm dia

Taking down old unserviceable PVC tank and Supply and fix PVC moulded water storage tank of 2000 Ltrs capacity multilayered (ISI marked) cylindrical vertical type complete with inlet, outlet, overflow, and wash out connection, closed top cover complete including hoisting in position etc all as specified and directed by Engineer-in-Charge.

(a) capacity 5000 Ltrs

(b) capacity 3000 Ltrs

(c) Capacity 1000 Ltrs

Supply and fix in repair cast iron cover 450mm dia BMC approved including locking arrangements/net fixed on PVC water tank/RCC water tank as in repair suitable for all as directed by the Engineer-in-Charge .

Supply and fix ball type foot valve heavy duty 50 mm/65 mm dia brass with all accessories

(a) Above 65 mm upto 80 mm dia.

(b) Above 80 mm upto 150 mm dia.

Supply and fix in replacement of MS cover made out of 5 mm thick MS sheet with double hinges and suitable handle locking arrengement etc complete including two coats of synthetic enamel paint and one coat of primer all as complete and directed by Engr-in-Charge.

Material and labour for painting to water supply tubing any dia upto 250mm after preparation of old painted surface by proper cleaning and then applying two coat of synthetic enamelled paint as per existing colour code or as directed by Engineer-in-Charge

Material and labour for painting of MS ladder of different hight and size in various locations removing old painted surface by proper cleaning and scraping then applying two coats of synthetic enamelled paint as per existing colour code or as directed by Engineer-in-Charge

Dismantling the damaged / unserviceable step ladder and design, fabricate supply fix / install step ladder made out of angle iron,of Fe 410-w (Gde-e-250) quality A solid iron/hollow rod/MS flats of suitable size with length as required as per site requirement and with the step gap of minimum 10 inch including welding , cutting, drilling etc matching grouting arrangement including making good to the disturbed surfaces and painting the step ladder with the two coats of synthetic enamelled paint over a coat of metal primer complete all as specified and directed by Engineer-in-Charge.

Demolation of PCC/ inter locking tiles/ Road cutting for laying of Pipe and making good after laying the Pipe with PCC 1:2:4 to match the existng surface up to and including 15cm in depth and n.exc 0.6m width complete all as specified and directed.

Taking out old u/s Sluice valve and NRV with iron wheel head including all connected accessories of following sizes

Supply and fix Sluice valve (ISI Marked ) with iron wheel head, screwed both ends for iron pipe for following sizes complete all as specified and directed by Engr-in-Charge . Make Kirlosker/Zoloto/ Leader

Cast iron Non Return valve W/O by pass arangement , Swing type, of Size 80 mm bore, confirming to IS 5312, flanged ends with nuts bolts, washers complete including taking down of old one . Make : Kirloskar , BIR valve , Zoloto , Kartar .

Cast iron Non Return valve W/O by pass arangement , Swing type, of Size 100 mm bore, confirming to IS 5312, flanged ends with nuts bolts, washers complete including taking down of old one . Make : Kirloskar , BIR valve , Zoloto , Kartar .

Cast iron Non Return valve W/O by pass arangement , Swing type, of Size 150 mm bore, confirming to IS 5312, flanged ends with nuts bolts, washers complete including taking down of old one . Make : Kirloskar , BIR valve , Zoloto , Kartar .

Supply and fix water meter B type of 100 mm dia duly tested by BMC of flange type at both ends and remove the old meter from the location and making flange arrangement at both end of pipe and fixing new meter after testing from BMC to the existing position with nut and bolts as directed by EIC.

Supply and fix water meter B type of 50 mm dia duly tested by BMC of flange type at both ends and remove the old meter from the location and making flange arrangement at both end of pipe and fixing new meter after testing from BMC to the existing position with nut and bolts as directed by EIC.

Supply and fix water meter B type of 40 mm dia duly tested by BMC of flange type at both ends and remove the old meter from the location and making flange arrangement at both end of pipe and fixing new meter after testing from BMC to the existing position with nut and bolts as directed by EIC.

Supply and fix in repair Direct-on-Line Starters 2 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair Direct-on-Line Starters 7.5 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair SASD Starters 10 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair Semi Automatic Star-Delta Starters 15 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair silent DG Set of 3.5 KVA Max power in BHP 6.1 (8.3) at rated RPM , Self started with battery of 12 V/ 10 A , air cooled, oil bath air filter, alternator of self excited, AVR with acoustic enclosure powder coated with control panelwith MCB, operated by diesel all as specified and directed.

Supply and fix in repair Fully Automatic Star-Delta Starters 30 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair Fully Automatic Star-Delta Starters 50 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair PVC/UPVC cover for water storage tanks as per existing size including locking arrangements and taking down unsv complete all as directed by the Engineer-in-Charge .

Material and labour for rewinding the electric motor of capacity 60 HP to 75 HP capacity, disconnecting the electric connection of motors, earth connections, decoupling motor and pump, removing foundation nuts/bolts and removing the motors from its existing position to workshop (Note : following work are to be deemed in rate quoted) :- (a) Removing the split case/body cover of motor, separate stator/rotor and cutting the complete burnt/defective copper winding. (b) Cleaning the stator body complete by rubbing sand paper remove all carbons. (c) Insert insulating materials such as insulating paper sleeves. (d) Rewinding the stator with existing size of super enameled copper winding, varnishing and heating up at desired temp. For achieve the particular Ohm resistance. (e) Clean the rotor and assembling in motor. (f) Connection/coupling the motor with pump, connect all electric/earth connection foundation nuts/bolts at its original position and testing on load complete all as specified and directed.

All as per item No. 36 above but 40 hp to 55 hp

All as per item No. 36 above but 30/35 hp

All as per item No. 36 above but 20 hp

All as per item No. 36 above but 15 hp

All as per item No. 36 above but 10 hp

All as per item No. 36 above but 7.5 hp

All as per item No. 36 above but 5 hp

Pragathi Infrastructure Co. (BID ID -3347623)

Shetty Construction Co (BID ID -3347032)

TETRI ENTERPRISES (BID ID -3346368)

SHRI SAI ENTERPRISES (BID ID -3346376)

P LAXMI AND CO. (BID ID -3347071)

SACHINENTERPRISES (BID ID -3348169)

shubham construction (BID ID -3348014)