REPAIR MAINT OF CI DI GI PIPE LINES BOREWELL UG SUMP CLEANING PUMP MOTOR AND OTHER CONNECTED WORKS AT ASC CENTRE COLLAGE EME WKS MAP ACCN NORTH ASC CENTRE NORTH AND 100 MAP DOMLUR 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 dry sand cushioning to underground cables in trenches including spreding ,levelling, hand punning and consolidating complete all as specified and directed. Note : Punned thickness shall be considered for measurement purpose

Supply & Laying well klin burnt brick of size 23cmx11.5cmx 8cm , laid breadth wise along the length of cable laid in trenches over sand cushion laid for UG cable protection, 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.

Dismantling of existing any type & any capacity water storage tank fixed in any description and stacking at site and S&F new 10000 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover including PVC float valve high pressure suitable for 40 mm bore of pipe with polythene float, fixture hoisted and fixed in position where ordered and making necessary connection and testing complete all as directed.

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. 9 here-in-above but for 100 mm bore

All as per item No. 9 here-in-above but for 150 mm bore

All as per item No. 9 here-in-above but for 200 mm bore

Taking up old unserviceable sluice valve80 mm dia spindle made out of PN-6 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. 13 here-in-above but for 100 mm bore

All as per item No. 13 here-in-above but for 150 mm bore

All as per item No. 13 here-in-above but for 200 mm bore

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

All as per item No. 17 here in above but for 25 mm bore

All as per item No. 17 here in above but for 40 mm bore

All as per item No. 17 here in above but for 50 mm bore

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. 21 here-in-above but for 100 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. 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

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. 31 here-in-above but of internal size 1000x1000x1050 mm -do-

All as per item No. 31 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 34 here-in-above but motor 10 HP to 15 HP capacities -do-

All same as per item No 34 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 37 here-in-above but motor 10 HP to 15 HP capacities -do-

All same as per item No 37 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 37 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

(v) star rubber Coupling for above pumpset.

Supply only for incorporating of pumpset repair work in relevant Schedule 'A' Item No 38 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

(v) star rubber Coupling for above pumpset.

Supply only for incorporating of pumpset repair work in relevant Schedule 'A' Item No 39 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

(v) star rubber Coupling for above pumpset.

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 20 here-in-above but 10 HP to 15 HP

All same as per item No 20 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 20 here-in-above 10 HP to 15 HP

All same as per item No 20 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 20 to 30 HP motor and .Fabricate, install and testing in replacement factory made, pole mounted canopy headed single door outdoor type, weather proof totally enclosed controlling panel of site suitable size suitable for 3 phase 4 wire 440 volts made out of 3 mm thick CRCA sheet, cubical type, powder coated paint inside and outside, having front hinged door with neoprene rubber gasket including danger notice board/plate earth terminal point, bottom detachable gland plate with holes for incomming and outgoing cables provision fixing arrangement with clamps made out of Mild Steel flat iron 40X5mm including bolts & nuts, 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 20 to 30 HP motor and .Fabricate, install and testing in replacement factory made, pole mounted canopy headed single door outdoor type, weather proof totally enclosed controlling panel of size 55cm x 50cm x 40cm suitable for 3 phase 4 wire 440 volts made out of 3 mm thick CRCA sheet, cubical type, powder coated paint inside and outside, having front hinged door with neoprene rubber gasket including danger notice board/plate earth terminal point, bottom detachable gland plate with holes for incomming and outgoing cables provision fixing arrangement with clamps made out of Mild Steel flat iron 40X5mm including bolts & nuts, 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 20 to 30 HP motor and .Fabricate, install and testing in replacement factory made, pole mounted canopy headed single door outdoor type, weather proof totally enclosed controlling panel of size 55cm x 50cm x 40cm suitable for 3 phase 4 wire 440 volts made out of 3 mm thick CRCA sheet, cubical type, powder coated paint inside and outside, having front hinged door with neoprene rubber gasket including danger notice board/plate earth terminal point, bottom detachable gland plate with holes for incomming and outgoing cables provision fixing arrangement with clamps made out of Mild Steel flat iron 40X5mm including bolts & nuts, 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 20 to 30 HP motor

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

Servicing/Repair of Star delta starter of any capciity/make including checking the all electrical connections ,fuse, SPP,relays,contactor etc .Note: The quotated rate shall be included the all items exacept Conactor and OLT.

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

Material and labour for cleaning of over head water tank of 2.00 Lakh and above gallons capacity at 15m height staging at ASC 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.

Material and labour for cleaning of over head water tank of 1.00 Lakh and above gallons capacity at 15m height staging at ASC 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 but Above 10 Lakhs gallons to.35 Lakhs gallons capacity semi under ground sump at ASC(C&C) P/H.

All as per item No.3 here-in-before but Above 35 Lakhs gallons to.50 Lakhs gallons Lakhs gallons capacity semi under ground sump at ASC& C Domlur ,North Map 100 P/H.

All as per item No.3 herein before but 5 Lakhs gallons to.10 Lakhs gallons capacity semi under ground sump as directed (Bareli ,Adm Block etc

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 83 herein before but 10.0 HP capacity submersible Pump Set.

All as per item No 83 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 86 herein before but 10.0 HP capacity submersible Pump Set.

All as per item No 86 herein before but 12.5/15.0 HP capacity submersible Pump Set.

Supply and laying, jointing & testing PVC insulated, cable armoured and PVC sheathed LT 1100 volts grade and aluminum conductor confirming to IS 7098 laid in trenches/through pipe/floor/fixed wall etc complete all as specified and directed for size of cables 25 Sqmm 3.5 core. Note: Excavation, earth work, sand cushioning, cable cover, returning/filling will be measured & paid seperately.

All as per item No 89 here-in-above but cable size 50 Sqmm 3.5 core.

All as per item No 89 here-in-above but cable size 70 Sqmm 3.5 core.

Supply on Flat copper cable 3 core 4 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

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.

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

Harish Constructions

Chandana Enterprises

S R CONSTRUCTIONS

M S K CONSTRUCTION