REPAIR MAINT OF CI DI GI PIPE LINES BOREWELL UG SUMP CLEANING PUMP MOTOR AND OTHER CONNECTED WORKS AT ASC CENTRE SOUTH PCTC AREA VOC VNC AND GNC LINES AREA UNDER GE CENTRAL BANGLORE

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation , laying of pipe line etc and getting out in Soft / loose soil complete all as specified and directed.

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

Removing excavated surplus soil to a distance not exceeding 50 mts and depositing where directed at a level not exceeding 1.5 M above the starting point complete all as directed.

M & L for PCC 1:4:8, type D2 using 40 mm graded crushed stone aggregate as in foundation filling mass concrete complete all as specified and directed

M & L for attending water supply complaints such as water leakage from CI/DI pipe line of 80 mm to 200 mm dia pipe carefully after discon-nection of joints to a length up to 8 mtr and create bund with excavated earth and dewatering / bailing out water complete with diesel engine driven pump set and positioning the pipe line after repairs in civil and defence areas and various locations by exavating in any type of soil, check the nature of defects for leakages and rectification work to be carried out by replacing requisite materials, testing complete on completion of work & then returning filling the soil including disposal of surplus soil if any as directed by Engr-in-Charge. Note : (i) CI/DI pipe of size 80 mm to 200 mm and necessary fittings required for rectification of work will be measured and paid under relevant items. (ii) Necessary permission from civil authorities, local bodies and liaison with these authorities should be considered prior to execution of work (iii) Necessary excavation & earthwork ,Bailing out of water by pumping set ,necessary barricade, diversion boards and necessary safety sings, procedures to be adopted wherever work is in progress without any extra cost.(iv) The breakdown shall be attended within 4 Hrs of intimation round the clock and time of restoration shall be maximum of 8 Hours. The additional manpower required to complete the job shall be provided by the contractor without any extra cost to Govt.

Taking down old 20 mm bore GI tubing and connection including cleaning for re-fixing stacking at site where directed complete all as directed.

All same as per item No 6 here-in-above but 25 mm bore of pipe.

All same as per item No 6 here-in-above but 40 mm bore of pipe.

All same as per item No 6 here-in-above but 50 mm bore of pipe.

Laying only 20 mm bore GI tube medium grade with all fittings all new (ISI Marked) laid in trenches / fixed to wall and ceiling or laid in floors making necessary connection and testing complete all as directed.

All same as per item No 10 here-in-above but 25 mm bore of pipe.

All same as per item No 10 here-in-above but 40 mm bore of pipe.

All same as per item No 10 here-in-above but 50 mm bore of pipe. (Note : for item No 10 to 132 : Servicable GI Pipes obtained from item No 6 to 9 here -in - above).

M & L for 20 mm bore GI tubing medium grade (ISI marked) with fittings all new (ISI marked) laid in trenches complete all as directed.

All as per item No 14 here -in - above but 25 mm bore of pipe.

All as per item No 14 here -in - above but 40 mm bore of pipe.

All same as per item No 14 here-in-above but 50 mm bore of pipe.

M & L for CI pipe special of class 'A' and 'B' like tee's bend sockets, collar's of juinctioning coupling etc of any type(flanged or socket/spigot type )all as specified or new position with the help of connecting pieces for sizes upto 200 mm dia CI pipe line all as directed

Taking out unservicable / wornout /damaged any type of pipe from excavated trenches & supply & fix new 200 dia cast iron pipe with spigot & socketed ends centrifugally cast class LA ISI marked suitable for lead joint in any length laid in trenches including water pressure testing on completion to the satisfaction of Engr-in-Charge complete all as directed.(Note : Excavation & lead joints shall be measured and paid separately). Make: LANCO(Sri Kalahasti) /ELECTROSTEEL /JINDAL

All same as per item No 19 here-in-above but 150 mm dia pipe -do-

All same as per item No 19 here-in-above but 100 mm dia

All same as per item No 19 here-in-above but 80 mm dia

S&F in repair for CI sulice valve, non-rising type conforming to IS-14846, sutiable for 200 mm bore pipe consisting of SS spindle as per IS 6603, Cast iron Body, Dome & Wedge as per IS 210, greasy jute type gland packing, fasteners as per IS 1367, Natural rubber gasket, CI manual hand wheel etc complete double end flanged and drilled, of Class PN-1.0 ( ISI marked) including all jointing materials such as rubber gasket insertion sheet nut ,bolts and washers etc complete all as specified and directed. Make : Kirloskar / Venus / Shakti / Upadhyaya

All same as per item No 23 here-in-above but 150 mm dia but PN 1.0

All same as per item No 23 here-in-above but 100 mm dia but PN 1.0

All same as per item No 23 here-in-above but 80 mm dia but PN 1.0

Taking up old unserviceable sluice valve cast iron body of 80 mm bore size and M&L for cast iron Sluice valve class PN 1.6, 80mm bore with flanged ends, drilled, brass spindle, gun metal nut, operating wheel complete all as per IS 14846-2000 with ISI mark and fixed in position with rubber gasket joints, bolts nuts and washers etc all as specified and as directed.

All as per item No. 27 here-in-above but for 100 mm bore

All as per item No.27 here-in-above but for 150 mm bore

All as per item No. 27 here-in-above but for 200 mm bore

Taking up old unserviceable sluice valve 80 mm dia spindle made out of steel with check nut made out of brass/bronze material including replacing perished gland packing, rubber gasket, bolts and suitable size of nuts complate all as directed :-

All as per item No. 31 here-in-above but for 100 mm bore

All as per item No. 31 here-in-above but for 150 mm bore

All as per item No. 31 here-in-above but for 200 mm bore

S&F in repairs gun-metal, globe or gate valve, with crutch / butterfly handle/ iron wheel head as ordered, screwed both ends for iron pipe 20 mm bore complete all as specified. Make: Leader/ Zoloto/L&T (AUDCO)

All as per item No. 35 here in above but for 25 mm bore

All as per item No. 35 here in above but for 40 mm bore

All as per item No. 35 here in above but for 50 mm bore

Supply & Fix in repair of cast iron foot valve 100 mm dia complete with necessary bolts, nuts, washers all as directed.

Supply & Fix in repair of cast iron foot valve 80 mm dia complete with necessary bolts, nuts, washers all as directed.

Supply & Fix in repair of cast iron foot valve 50 mm dia complete with necessary bolts, nuts, washers all as directed.

M&L for fixing in repair Y type Dirt box (strainer) made out of CI with necessary washout arrangement complete including necessary additions & alterations to 150 mm dia pipe incl cutting, gaskets & GI nut bolts & washers etc complete of following sizes:- Note:- (i) CI/MS pipe/ Specials if required will be measured & paid separately.(ii) Quoted rate is deemed to be inclusive of cutting , gaskets , nuts & bolts etc).

All as per item No. 42 here-in-above but for 100 mm bore

All as per item No. 42 here-in-above but for 80 mm bore

All as per item No. 42 here-in-above but for 50 mm bore

Supply and fixing in repair Rubber gasket joint suitable for 150 mm bore cast iron/DI pipes all as specified and directed.

Supply and fixing in repair Rubber gasket joint suitable for 80 mm bore cast iron/DI pipes all as specified and directed.

S&F in repair Cl swing check NRV conforming to IS-5312, sutiable for 100 mm bore pipe consisting Cast iron Body, door as per IS 210, Bronze body ring as per IS 318, natural rubber door face, hinge pin SS ASTM A276 type 410, fasteners as per IS 1367, Natural rubber gasket, etc complete double end flanged and drilled, of Class PN-1.6 ( ISI marked) including all jointing materials such as rubber gasket insertion sheet nut ,bolts and washers etc complete all as specified and directed.

S&F in repair Cl swing check NRV conforming to IS-5312, sutiable for 80 mm bore pipe consisting Cast iron Body, door as per IS 210, Bronze body ring as per IS 318, natural rubber door face, hinge pin SS ASTM A276 type 410, fasteners as per IS 1367, Natural rubber gasket, etc complete double end flanged and drilled, of Class PN-1.6 ( ISI marked) including all jointing materials such as rubber gasket insertion sheet nut ,bolts and washers etc complete all as specified and directed.

M&L for rectification of existing defective run lead joints including burning and removing the old defective lead joints from 80 mm bore CI/DI pipes and providing new lead joints with all required materials and testing the joints for leakages complete all as directed (Note:Earth work shall be measured separately)

All as per item No. 50 here-in-above but for 100 mm bore

All as per item No. 50 here-in-above but for 150 mm bore

All as per item No. 50 here-in-above but for 200 mm bore

Disconnecting / Removing existing U/S scale type water level indicator and S&F new dial type water level indicator as per exixting one or oas ordered suitable for Over Head Storage tank of height 15 m to 21 m staging complete with central movement plate, counter weight, centre dividing wheels, MS/CRCA enclosure, float and connecting control wire system from tank to indicator etc complete grouted in PCC all as directed including testing and commissioning all as directed.

Demolition of damaged valve chamber and Construction of new valve chamber of size 1200x1200x900mm internal dimension including necessary earth work excavation with earth work on any type of soil, PCC 1:3:6, type C2 as in foundation, brick work in CM 1:4, 15 mm thick plaster in CM 1:4 internally and externally, flush pointed in same mortar as work proceeds, 75 mm thick PCC coping all round PCC 1:2:4 tyype B1 (using 20 mm aggregate), flooring shall be 40 mm thick PCC 1:2:4 type B1 (using 20mm aggregate) laid over 75 mm thick hard core. Top cover shall be made out of MS sheet 3.00 mm thick fixed in angle iron frame made out of angle iron size 40x40x6 mm with two number of hinges on one side and locking arrangement at other side complete including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified.

All as per item No. 55 here-in-above but of internal size 1000x1000x1050 mm -do-

All as per item No. 55 here-in-above but of internal size 900x900x1050 mm -do-

M & L for dismantling of motor of 20 HP to 30 HP capacities pumpset from installed position in any area as ordered after disconnecting the coupling and electric connections and transporting the motor to the work shop, strip opening of the motor complete incl dismanlting stator, rotor assembly and cleaning the complete assemblies by taking out perished glass sleeve of connecting leads from common termination to terminal block,and washing with carbon tetra chloride, decarbonising and cleaning the rotor with CTC solution.Replacing the glass sleeve of connecting leads from common termination to terminal block, binding the loose coils with binding cloth, varnishing the coils complete and applyng bectol on the excitor coils, stator coils and heating complete, reassembling the unit and testing with megger for insualtion value and re-assembling, aligning with pump, re-inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, complet painting of motor /pump re-connecting the electric cable etc and check for drawing current testing, commissioning etc all as directed by Engineer-in-Charge.

All same as per item No 58 here-in-above but motor 10 HP to 15 HP capacities -do-

All same as per item No 58 here-in-above but motor 5 HP to 7.5 HP -do-

M & L for dismantling the pump of 20 HP to 30 HP capacity, checking the worn out parts like impeller, shaft, stuffing box, shaft sleeve using Micrometer and transporting to workshop for repairs, check for condition of bearings, removing scales from impeller and pump housing, building the worn out metal of transmission shaft to required level, machining to the required size on lathe machine, grinding and finishing to match the sleeve, and fixing into the housing, re-assembling, transport back to the installation, installing in position, check for alignment with dial gauge, inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, re-connecting the flanged pipe connections of suction/ delivery including replacement of rubber insertion, complet painting of motor /pump etc complete, all as directed by Engineer-in-Charge.NOTE :- Spares will be measured and paid separately under relevant schedule.

All same as per item No 61 here-in-above but motor 10 HP to 15 HP capacities -do-

All same as per item No 61 here-in-above but motor 5 HP to 7.5 HP -do-

Supply only for incorporating of pumpset repair work in relevant Schedule 'A' Item No 61 for pumpset of capacity 20 to 30 HP :- (i) Shaft bushes with check nuts (stainless steel) for above pumpset.

(ii) Ball bearings suitable for above pump. Make : NBC / SKF.

(iii) Metal Coupling for above pumpset.

(iv) Gland packing end cover (Stainless steel of suitable grade) as per existing size

Supply only for incorporating of pumpset repair work in relevant Schedule 'A' Item No 59 for pumpset of capacity 10 to 15 HP :- (i) Shaft bushes with check nuts (stainless steel) for above pumpset.

(ii) Ball bearings suitable for above pump. Make : NBC / SKF.

(iii) Metal Coupling for above pumpset.

(iv) Gland packing end cover (Stainless steel of suitable grade) as per existing size

Supply only for incorporating of pumpset repair work in relevant Schedule 'A' Item No 60 for pumpset of capacity 5 to 7.5 HP :- (i) Shaft bushes with check nuts (stainless steel) for above pumpset.

(ii) Ball bearings suitable for above pump. Make : NBC / SKF.

(iii) Metal Coupling for above pumpset.

(iiv) Gland packing end cover (Stainless steel of suitable grade) as per existing size

M&L for dismantling the defective induction motor of any capacity/make/class of insulation from foundation bed, duly coupled with pump/compressor, trasnporting to workshop removing burnt out winding from stator/rotor, rewinding with suitable gauge of super enamelled copper wire of approved make and replacing DE /NDE bearings, insulation materials, varnishing , heating, complet painting of motor etc complete, re-assembling, testing and commissioning of 20 HP to 30 HP capacity motors all as directed.

All same as per item No 76 here-in-above but 10 HP to 15 HP

All same as per item No 76 here-in-above but 5 HP to 7.5 HP

Renewal of rubber bush coupling for 20 HP to 30 HP capacities of pumpsets complete all as directed.

All same as per item No 79 here-in-above 10 HP to 15 HP

All same as per item No 79 here-in-above 5 HP to 7.5 HP

S&F in replacement fully automatic star delta motor starter with spp with metel encloser suitable for 10 to 15 HP motor . Make:-GE / BCH /SIEMENS L&T / C&S / GE/ BCH

S&F in replacement fully automatic star delta motor starter with Spp with metel encloser suitable for 5 to 7.5 HP motor . Make:-GE / BCH /SIEMENS L&T / C&S / GE/ BCH

Supply and replace power contactor of type ML-2 /MNX equivalent of L&T make or GE complete all as directed.

S&F in replacement Direct-on -line motor starter, type MK1 of L&T make or equivalent in C&S/ BCH/ GE.

Supply and fix in replacement Thermal overload relay of range 45-75A. Make:- GE/SIEMENS/L&T/ABB/JVS/AVIAVA

Supply and fix in replacement Thermal overload relay of range 66-110A. Make:- GE/SIEMENS/L&T/ABB/JVS/AVIAVA

Supply and replace pressure gauge 0-10 kg/cm² ,4" dia internal glycerin filled including stop cock etc complete with necessary fittings incl disamntling old one all as directed. Make:- H-GURU /FIE BIG

Supply and replace pressure gauge 0-50 kg/cm² ,4" dia internal glycerin filled including stop cock etc complete with necessary fittings incl disamntling old one all as directed. Make:- H-GURU /FIE BIG

Dismantling rusted/defective LT panel doors/canopy and M&L for new LT panel doors of size all as per existing with 2 mm / 3.15 mm thickness MS sheet, hinges, locking arrangement etc complete including replacement of neoprene gasket and painting with a coat of of red oxide primer complete all as directed by Engr-in-Charge

Taking down and lowering the serviceable/new column pipe by using borewell lifting mechanical crane including necessary lifting tools/accessories complete all as specified and as directed. Note : Supply of column pipe with collar shall be measured and paid separately under relevant items.)

Supply only borewell column pipe of 50 mm bore dia , heavy duty.

Heavy duty collar suitable for lowering GI Pipe of size 50 mm bore fixed in repairs.

Servicing of submersible pump set 5/7.5 HP capacity including replacing of impeller, guide rings, neck rings, IP bush, bolts & nuts and lathe work etc complete all as directed. Note : (a) Rewinding of motor if required will be measured and paid separately.(b) Quoted rate shall deemed to be included the cost of removing and refixing of motor before and after rewinding/servicing.

All as per item No 94 herein before but 10.0 HP capacity submersible Pump Set.

All as per item No 94 herein before but 12.5/15.0 HP capacity submersible Pump Set.

Rewinding of submersible motor of 5/7.5 HP capacity, 3 phase, with super enamelled PVC insulated copper winding wire including appropriate class of insulation to the existing class and testing on full load after complete re-installation to the satisfaction of Engr-in-Charge. Note : (a) Testing of submersible pump set to be carried out at MES Pump House without extra cost before installation into borewell.(b) Quoted rate shall deemed to be included the cost of removing and refixing of motor before and after rewinding/servicing.

All as per item No 97 herein before but 10.0 HP capacity submersible Pump Set.

All as per item No 97 herein before but 12.5/15.0 HP capacity submersible Pump Set.

S&F in repair water meter suitable for 150mm bore pipe confirming to relevent IS along with stainer and connected pieces,jointing meter etc and connecting to water mains including to cutting drilling of existing water mains as per site requirment for insertion of water meter including taking down old u/s water meter complete all as specified and directed.Make: woltman/dasmesh/kranti/Kaycee/kirlosker

Water collecting from main water sumpand testing from authorised water test Lab as per site and as directed.

Supply and filling of chlorination chemical highly efficient(high strenght) Calcium based granular(65-80%chorine contect)disinfectant in Sumps complete as as specified and directed by Engineer-in-charge

Supply on Flat copper cable 3 core 16 Sqmm multistranded conductor for submersible pump fixed in repairs and testing complete. Make - FINILUX

Supply on Flat copper cable 3 core 6 Sqmm multistranded conductor for submersible pump fixed in repairs and testing complete. Make - FINILUX

Supply on Flat copper cable 3 core 10 Sqmm multistranded conductor for submersible pump fixed in repairs and testing complete. Make - FINILUX

Servicing of chlorination plant of any capcity and make of Motor ,nozzele and steerer including replacing of items are required for service condiations etc complete all as directed.

Supply only chlorination test kit including chlorination testing liquide as per site and as directed.

M&L for seven stage cleaning and sterilization of inside the RCC/ Steel Underground/semi underground/Over head/Sedmentation/clear water sumps of capacity over head water tank reservoir 100000 gallons through bacteriological treatment by using TERBAC G5/Inchor-5/NB-10/ TERBAC-G-65/ Inoxi-60/NB-69 AND ULTRA VIOLET RAY. Make: rays Cleantech/ Inus watertech/ satya enterprise.Location : ASC(S),Seven stages are as under plants:- (a). First Stage is to drain out the water by using exit valve or high capacity dewatering system. (b). Second stage is cleaning all the algae formation inside the tank by using TERBAC G10/ Inoxi-60/NB-69 a laboratory tested branded chemical of the company ans scrubbing the walls of the tanks. (c). Third strage is fresh water cleaning by high speed jet pump. (d). Fourth stage and first bacteria screening is decertification by using TERBAC-G5/ Inohor-5/NB-10 a Govt Laboratory certified brannded halogen compound. (e). Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tnk and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65/Inoxi-60/NB-69 . NOTE:-(i) COMPANY WILL SUBMIT GOVERNMENT LABORATORY TEST CERTIFICATE OF TERBAC-G5/INCHOR-5/NB-10, TERBAC-G65/ INOXIi-60/NB-69, BEFORE CLEANING, FIX THE STICKER MENTIONING THE DATE OF CLEANING & NAME OF SITE AND ALSO PROVIDE CERTIFICATE CONFIRMING THE COMPLETION OF STERILIZATION OF WATER TANKS MENTIONING THE NAME OF STATION AND DATE OF CLEANING. ALL THE CLEANING & STERILIZATION STAFFS SHOULD BE UNDER ACCIDENTAL INSURANCE COVERAGE.) (ii) OUTLET PIPE OF OHT SHOULD BE PLUGGED BEFORE CLEANING THE OHT TO AVOID.ENTERING SCALS AND THE SAME SHELL BE RECONNECTED AFTER CLEANING THE OHT AND THE QUOTED RATE IS DEEMED TO INCLUDE FOR THE ROVISION . (III) STERILIZATION TEAM WILL BE COMPRISED OF AT LEAST 30% MEMBERS WHO ARE MINIMUM 03 MONTS CERTIFICATE HOLDER IN WATER TANKS STERILIZATION. (IV) CONTRACTOR WILL BE RESPONSIBLE FOR RECTIFICATION OF COMPLAINTS OCCURRED DURING CLEANING THE TANK IE. NO WATER IN TANK/OVER FLOW DUE TO BROKEN OF FLOAT VALVE/ BLOCKAGE TO BE INCLUDED IN QUOTED RATE. NOTE:-THE WORK SHALL BE CARRIED THROUGH SPECILIZED AGENCY RAYS CLEANTECH/ INUS WATERTECH/ SATYA ENTERPRISE.

All as per item No.108 herein above but 85000 gallons capacity semi under ground sump at ASC(S)

All as per item No.108 herein above but 30000 gallons capacity semi under ground sump at VOC

All as per item No.108 here-in-above but Above 50000 to 75000 gallons capacity semi under ground sump reservoir at ASC(C&C) P/H.2 & New Dairy Farm

Material and labour for cleaning of over head water tank of 0.15 to 0.30 Lakhs gallons capacity semi under ground sump at VNC,ASC(S) by pumping out the accumulated water at the bottom and removing the complete silt from the sump and depositing and levelling as directed and cleaning the tank with the bleaching powder and wire brush after scrapping the walls and bottom of the sump completely without disturbing the water supply to the area including painting the details of sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire sump internally complete all as directed by Engineer-in-Charge. All as per item No.3 here-in-before

All as per item No.112 herein before but 0.05 to 0.10 Lakhs gallons capacity semi under ground sump at VSF

navreet construction (BID ID -3094154)