REPAIRS REPLACEMENT OF US RUSTED AC CI GI PIPELINE. INCLUDING CONNECTED ITEMS SUCH AS FITTINGS AND CONTROL VALVE AND CONNECTED ALLIED WORKS AT NAVAL DET CQAL CQAR SQAE DIQA HEBBAL GARRISON REPAIRS MAINTENANCE OF SWIMMING POOL OF CAPACI

Amount

Excavation in trenches not exceeding 1.5 m depth and not exceeding 1.5m width and getting out in Soft/loose soil for laying of pipe lines.

Returning, refilling incl spreading, levelling watering and well ramming in layers not exceeding 25 cm thick with any type of soil all as directed

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 mtr above the starting point all as specified as directed.

S&F DI pipe (flanged/spigot type) laid in trenches including taking down old unsv CI / DI pipe of the following sizes :- 150 mm bore

All as per item No. 4 above but for 100 mm bore

All as per item No. 4 above but for 80 mm bore

Cutting of DI/CI pipe in position for insertion of CI/DI specials of following sizes;- 150 mm bore

All as per item No. 7 above but for 100 mm bore

All as per item No. 7 above but for 80 mm bore

M&L for DI Specials like bends, tappers, tee pieces all sockets, all spitgot, collars, caps & plugs any size & shape as ordered by Engineer- in- charge incl testing complete as specified & directed for the following sizes:- Up to 150 mm bore

M&L Run lead joint for water mains of the following size of CI/DI pipes :- 150mm

All as per item No. 11 above but for 100mm

All as per item No. 11 above but for 80mm Note:- Excavation and earth work shall be measured and paid separately

Dismantaling the sluice valves in various location and reconditioning the sluice valve by replacing SS spindle, spindle nuts with brass ring, gland nuts, gland packing etc and refixing after properly repairs of the following sizes:- 200 mm dia bore

All as per item No. 14 above but for 150 mm dia bore

All as per item No. 14 above but for 100 mm dia bore

All as per item No. 14 above but for 80 mm dia bore

M&L for repacking stuffing box of sluice valve spindle including taking a part and reassembling of following sizes:- 150 mm bore

All as per item No. 18 above but for 100 mm bore

All as per item No. 18 above but for 80 mm bore

S&F GI water tubing medium grade with all fitting (flanged / socket / union / tee etc) laid in trenches / walls / floors / roof including taking down old unsv pipe of following sizes :- 15 mm dia

All as per item No. 21 above but for 20mm dia

All as per item No. 21 above but for 25mm dia

All as per item No. 21 above but for 40mm dia

All as per item No. 21 above but for 50mm dia

All as per item No. 21 above but for 80mm dia

All as per item No. 21 above but for 100mm dia

S&F brass non return valve 65/80 mm dia internal threded type complete including taking down the existing all as specified and as directed.

S&F brass non return valve100 mm dia internal threded type complete including taking down the existing all as specified and as directed.

Supply & fixing in replacement of the following size gun metal Gate valve with iron wheel. 15 mm dia

All as per item No. 30 above but for 20 mm dia

All as per item No. 30 above but for 25 mm dia

All as per item No. 30 above but for 40 mm dia

All as per item No. 30 above but for 50 mm dia

All as per item No. 30 above but for 80 mm dia

Dismantling Old valve pit complete with deteriorated MS cover and Construction of brick massonry valve pit chamber of inner dimension 150x150x100 cms suitable for sluice valves upto 150mm size, with PCC 1:4:8 type D-2 for foundation, brick work in cm 1:6 rendering 1:4, 15mm plastering, coping in PCC 1:2:4 type B-1, incl necessary earth work, including MS sheet cover of thickness 3.15mm on 50x50x6 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement .

Dismantling Old valve pit complete with deteriorated MS cover and Construction of brick massonry valve pit chamber of inner dimension 200x225x115 cms suitable for sluice valves upto 150mm size, with PCC 1:4:8 type D-2 for foundation, brick work in cm 1:6 rendering 1:4, 15mm plastering, coping in PCC 1:2:4 type B-1, incl necessary earth work, including MS sheet cover of thickness 3.15mm on 50x50x6 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement .

Dismantling Old valve pit complete with deteriorated MS cover and Construction of brick massonry valve pit chamber of inner dimension 200x250x115 cms suitable for sluice valves upto 150mm size, with PCC 1:4:8 type D-2 for foundation, brick work in cm 1:6 rendering 1:4, 15mm plastering, coping in PCC 1:2:4 type B-1, incl necessary earth work, including MS sheet cover of thickness 3.15mm on 50x50x6 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement .

Dismantling Old valve pit complete with deteriorated MS cover and Construction of brick massonry valve pit chamber of inner dimension 100x100x100 cms suitable for sluice valves upto 150mm size, with PCC 1:4:8 type D-2 for foundation, brick work in cm 1:6 rendering 1:4, 15mm plastering, coping in PCC 1:2:4 type B-1, incl necessary earth work, including MS sheet cover of thickness 3.15mm on 50x50x6.0 mm angle iron framework including two coats of synthetic enamelled paint over a coat of red oxide primer with making provision of locking arrangement .

S&F in replacement of sluice valve both side flanged and ISI marked (IS-780) of sluice valve cast iron body with S/S spindle and brass fly nuts, class PN-1.6 and cast iron hand wheel and joining with nut, bolt, washers and rubber insortion packing 6mm thick etc of following sizes:- 200 mm dia bore

All as per item No. 40 above but for 150 mm dia bore

All as per item No. 40 above but for 100 mm dia bore

All as per item No. 40 above but for 80 mm dia bore

Removing of unserviceable foot valve from tank and replacement with new CI foot valve ball type of following sizes:- 150 mm dia bore

All as per item No. 44 above but for 125 mm dia bore

All as per item No. 44 above but for 100 mm dia bore

All as per item No. 44 above but for 80 mm dia bore

All as per item No. 44 above but for 50 mm dia bore

Removing old unserviceable float valve from service tank supply and fix float valve with PVC body aluminium float rod, nylon float high pressure type (Make:- Prayag) for the following size:- 20 mm bore

All as per item No. 49 above but for 25 mm bore

Taking out old unserviceable foot valve from UG sump and removing unserviceable leather from suction line and replacement the same with high quality leather including nuts, bolts, washer etc and servicing for the following sizes. Make : Kartar / Kirloskar / Venus / Zoloto / Bir :-. 150 mm bore

All as per item No. 51 above but for 100 mm bore

All as per item No. 51 above but for 80 mm bore

Supply and installation with testing complete of digital water level indication device operating on single phase supply direct display in 19 mm size (letter display) digit system in meter/CM of water of overhead tank ensuring alarm while water fall or rise over predetermined limits with the following description complete all as specified and as directed by Engineer-in-charge including dismantling old unserviceable water level indicator. (a) The entire unit must operate through a compact electronic circuit which must ensure reliable operation at 230V +10% at 50 Hz +5%, with reliable in display and alarm at low and high level head tank. (b) One circuit must be housed in high impact polystyrne molded box nylon mlded connection strips. The level system must resistance transducer, while unattested by corrosion and other contents avilable in water the product must be controlled by Micro switch. (c) The whole unit must electronically contolled and the upper level and lower level indications must be in two parts. Each complete part must be fitted in MS CRS sheet box separetaly. One must be installed at over head tank and second at pump house with proper powder coating paint with locking arrangements.

M&L for testing 03/04 core copper conductor PVC insulated heavy duty unsheathed cable 1100 volts grade 0.5 Sqmm from control box to display meter in ducts/on ground/through existing pipes etc including taking out unserviceable flexible cable all as specified and as directed.

M&L in replacement of Mechnical joints with rubber washer, nuts and bolts as existing at site of the following sizes of CI/DI pipes :- 150 mm bore

All as per item No. 56 above but for 100 mm bore

All as per item No. 56 above but for 80 mm bore

Replacement of Air release valve of existing size suitable for centrifugal pump set complete all as specified and as directed.

Maintenance of swimming pool 18 lakh ltrs capacity at MEG and Centre including maintenance of water parameters all as per IS 3328 : 1993, quality tolerances of water suitable for swimming pools complete all as specified and directed by Engineer In charge along with the following specifications shall be maintened while executing the work :- (i) pH Value : 7.5-8.5 (ii) Total Alkalinity as CaCO3 mg/L : 50-500 (iii) Total Residual Chlorine as Cl2 mg/L a) At inlet Max : 0.5 b) At outlet Min : 0.2 (iv) Oxygen absorbed in 4 hrs at 27 deg C mg/L Max : 1 (v) Total Dissolved solids mg/L : 1500 (vi) Chlorides as Cl mg/L : 500 (vii) Total Iron as Fe mg/L : 0.1 (viii) Heavy metals as Pb mg/L Max : 0.1 (ix) Colour Hazen units Max : 10 (x) Turbidity NTU Max : 10 (xi) Odour Less (xii) Palatable Taste (xiii) Standard Plate count cfu/ml shall not be more than 100/ml (xiv) Total coliforms MPN/100ml Max : 10/100ml

All as per Sl Item No. 60 above but capacity of swimming pool 8 lakh ltrs (PRTC). NOTE FOR SL ITEM NO. 60 and 61 :- (i) Rate is deemed to be inclusive of all necessary chemicals /cleaning agents, chlorine granules (90%), alum, copper sulphate, soda ash, bleaching powder etc., of approved make. (ii) The rate quoted shall be deemed to be included the wages of one skilled operator of one shift. (iii) Rate also deemed to be inclusive of weekly water sample test of above parameters from Government approved NABL recognised lab. (iv) If any blockage occurred in the suction/ delivery pipe / back wash pipe , the contrcator has to recify the blockage / obstruction and the rate of the same shall be included in the quoted rate. (iv) Register for daily consupmption of chemicals such as calcum hypo, alum, soda ash, bleaching powder, copper sulphate to be maintained by the contractor & initials of Engr in Charge/User to be endorsed regularly.

M&L for Cleaning the swimming pool of capacity 18 lakhs ltrs once in a week all around and bottom of pool to remove the algae, by means of scrapping/ scrubbing the walls with wire brush, removing the sediments deposited at bottom with the help of suction sweeper complete all as specified and directed.

M&L for Cleaning the swimming pool of capacity 8 Lakh Litres once in a week all around and bottom of pool to remove the algae, by means of scrapping/ scrubbing the walls with wire brush, removing the sediments deposited at bottom with the help of suction sweeper complete all as specified and directed. NOTE FOR SL ITEM No 62 & 63:- (i) suction sweeper required for the cleaning will be provided by the department, but replacement of sweeper brush and minor repairs/gernal services rates of will be deemed in the quoted rate. (ii) Rate quoted shall be deemed to be inclusive of all necessary chemicals /cleaning agents etc.

Servicing pressure filter of capacity 90000 LPH by opening pressure filter and taking down filter media of different sizes approximately (10000 Kg) carefully, opening the strainer and reset the same after replacement of filter media cleaning filter nozzles with pressure water, refill the filter bed with fresh media and cleaning the pebbles/ 20 mm/10mm /40 mm/2 mm topping up the short fall with new media, servicing the backwash system, replacing the u/s pressure gauge, testing & commissioning all as specified and as directed.

Servicing pressure filter of capacity 60000 LPH by opening pressure filter and taking down filter media of different sizes approximately (7000 Kg) carefully, opening the strainer and reset the same after replacement of filter media cleaning filter nozzles with pressure water, refill the filter bed with fresh media and cleaning the pebbles 20 mm/10mm /40 mm/2 mm topping up the short fall with new media, servicing the backwash system, testing & commissioning all as specified and as directed.

M&L for Cleaning balancing tank of swimming pool (MEG and PRTC) up to 50000 ltrs complete with:- (i) Cleaning the balancing tank with high pressure water jet to remove all masses, algae and dirt. (ii) Taking out dirt and sludge with sludge machine and disposing the same to a safe distance. (iii) Scrubbing the internal walls/floor with industrial vacuum cleaner. (iv) Applying anti bacterial sterilization to walls and floor of balancing tank.

Disconnecting the electric cable from the terminal box of 10 HP motor, disconnecting the motor from them pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop and performing following works as specified and directed by Engr-in-Charge. (i) Dismantling the motor and taking out the burnt copper winding /fiber strip/insulating materials and worn out ball bearing - 2 Nos (ii) Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials/fiber strip / varnishing and made terminal connection of fiber glass coated wire. (iii) Replacement of ball bearing - 2 Nos (iv) Assembling the motor and painting with two coat of primer and one coat of synthetic enamel paint including marking flow of water and MES NO all as per norms and all as specified and as directed as directed by the engr-in-charge. (v) Transporting to the motor to the site refixing on foundation channel with new bolts and nuts, coupling the pump and motor with correct alignment apply grease and connecting electrical connections testing complete alll as directed and specified by the Engr-in-charge. Note: 1 Addn / Altn & welding of foundation of pump motor for nut / bolts as required is deemed to be included in the unit rate qouted.

Servicing of Mono block pump set 10 HP, opening the Pump and re-fixing, machining the pump shaft and shaft key ways, impeller etc and replacing the key, impeller nuts, gland packing, gland nuts and coupling as per existing size including re-fixing the same to the original position including testing and disconnecting the electric motor of capacity 10 HP from position, strip opening the motor including replacement of all insulation material, "O" rings and other petty items required for making motor functional and checking the winding leak proof, refixing the motor with proper alignment with pump set, connecting up the electric connections testing & commissioning complete as specified and directed. Note :- Quoted rate deemed to be inclusive of replacement of worn out sleeves & bearings. NOTE (i) The contractor will also provide the same capacity of pumpset at the existing site and fixed it in replacement of unsv/burnt out pumpset while taking it for repair to his workshop and the same will be taking down after repair of exisitng one, rates for the same will be deemed in the quoted rate.

Supply in replacement for PVC hose pipe 50 mm dia.

Removing the UNSV motor starter by disconnecting incoming/outgoing supply and S&F DOL motor starter MK1 type suitable for 7.5 HP motor. Make- L&T or equivalent.

Removing the old / damaged fully automatic motor starter by disconnecting incoming/ outgoing supply and S&F new fully automatic motor starter type suitable for 10 HP motor make - L&T or equivalent.

Repairing the existing un serviceable star delta starter, fully automatic by dismantling / opening of the starter, check the faulty spares / wiring, removing the un serviceable spares and fixing only of the new spares including re fixing of the star delta starter and electrical connections to motor testing etc., complete all as specified and as directed. NOTE :- Spares shall be measured and paid separately.

Supply only single phase preventer suitable for various capacity of motors 60 / 40 / 30 /25 / 20 / 15 / 12.5 /10 / 7.5 and 5 HP (Make : L&T or equivalent)

Supply only starter contactor of ML 1.5 type complete all as specified and as directed.

Supply only standard operating coil for ML1.5 type complete all as specified and as directed.

Supply only Electronic timers ST 100 operating range of 160V to 500V as required complete all as specified and as directed.

Dismantling the existing old pressure gauge from the pump set / water supply line and provision of new pressure guage 1-10.6 kg per sq.cm 100 mm dia dial 3/8" threaded type with stop cock arrangement complete all as specified and as directed.

Dewatering and pumping out of existing accumulated sludge from Bar sreen chamber and sludge screen at STP by using external sewage disposal pump set to near by sewage disposal drain and cleaning of tank by scrapping with wire brush or any other means of on walls and bottom of tank and removing the sludge/ slits/ sand/fungus etc deposited inside the sumps/ tanks with buckets and depositing where directed followed by cleaning with bleaching water solution and fresh water and finally applying one coat of snow cem on internal and external surfaces including writing "Tank Cleaned (date) and due date with 10Cm size white colour letter" on Black back ground on external walls complete all as specifoed and direted. Location : STP habbal 300 KLD.

Dewatering and pumping out of existing accumulated sludge from treated water tank & CT by using external sewage disposal pump set to near by sewage disposal drain and cleaning of tank by scrapping with wire brush or any other means of on walls and bottom of tank and removing the sludge/ slits/ sand/fungus etc deposited inside the sumps/ tanks with buckets and depositing where directed followed by cleaning with bleaching water solution and fresh water and finally applying one coat of snow cem on internal and external surfaces including writing "Tank Cleaned (date) and due date with 10 Cm size white colour letter" on Black back ground on external walls complete all as specifoed and direted. Location : SP Habbal 300 KLD

Dewatering and pumping out of existing accumulated sludge from Raw sewge sump at STP by using External Sewage disposal drain and cleaning of tank by scrapping with wire brush or any other means of on walls and bottom of tank and removing the sludge/ slits/ sand/fungus etc deposited inside the sumps/ tanks with buckets and depositing where directed followed by cleaning with bleaching water solution and fresh water and finally applying one coat of snow cem on internal and external surfaces including writing "Tank Cleaned (date) and due date with 10 Cm size white colour letter" on Black back ground on external walls complete all as specifoed and direted. Location : Hebble Note (For Item No.86 to 88) :- (i) Contractor is to arange own diesel pump T&P etc for cleaning purpose and minor spares and consumable like small screws washers cleaning agents consumable etc, cost of same shall be deemed to be included in quoted unit rate and including all safety precaution to be taken while working in STP. (ii) The accumulated/ deposied sludge after drying shall be disposed off out side the defence land to a distance excceding 1.5KM and not exceding 5.00 KM from the STP cost of which shall be deemed to inclusive in the quoted rate and nothing extra shall be paid on this account. (iii) Before commencement of work necessary arangement for disposal of sewage/ sludge be made and work to be caried out in fast pace by developing more man power at STP in Order to complete the work at the earliest. (iv) cleaning of sludge shall be carried out 2 times with interval of the 6 month each cleaning shall be measured as one each job.

Servicing / cleaning STP carbon filter of any capacity by opening pressure / carbon filter and taking down filter media (Carbon) of different sizes carfully, opening the strainer and reset the same after cleaning flter nozzles with pressure water, refill the filter bed with cleaned the carbon of different size for any topping up the short fall with new media, servicing and back wash the system replacing the u/s pressure gauge, testing & commissioning all as specified and as directed.

Servicing / cleaning STP Dual activated filter of any capacity by opening dual activated filter and taking out filter media of different sizes carfully, opening the strainer and reset the same after cleaning filter media,cleaning of the filter nozzles with pressure water, refill the filter bed with fresh media different size for topping up the short fall with servicing and backwash system, replacing the u/s pressure gauge, testing & commissioning all as specified and as directed.

M & L for removing the Submersible pump set from existing position shifting for authorised workshop for repair work dismantled/ open, removing the burnt winding cleaning of rotor/ stator rewinding the motor with 'F' class insulation super enameled cooper wire of size equivalent to the orignal winding insulated packing materials varshning drying incl replacement of both water seal compound both bearing fill with new etc reassambling the pump set installing back to the orignal position testing and comissioning on full load for 4 Hrs continous running for the capacity of motor upto 10 HP/7.5KW complete all as specified and directed.

Disconnecting the electric cable from the terminal box of 5 to 7.5 HP motor, disconnecting the motor from them pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop and performing following works as specified and directed by Engr-in-Charge. (i) Dismantling the motor and taking out the burnt copper winding /fiber strip/insulating materials. (ii ) Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials/fiber strip/varnishing and made terminal connection of fiber glass coated wire. (iii) Assembling the motor and painting with two coat of primer and one coat of synthetic enamel paint including marking flow of water and MES NO all as per norms and all as specified and as directed as directed by the engr-in-charge. (iv) Transporting to the motor to the site refixing on foundation channel with new bolts and nuts, coupling the pump and motor with correct alignment apply grease and connecting electrical connections testing complete alll as directed and specified by the Engr-in-charge (v) Repair of Pumpset incl replacement of u/s parts i.e. impeller / bearing etc. Note: All the necessary sundry items required to complete the job for repair work is included in the unit rate quoted by the contractor.

Supply and fix CI butterfly valve of following size as per IS 13095, class PN -1.6 water type between flanges fittings gasket nuts bolts washers etc including taking up/ down of existing unserviceable butterfly valve of following sizes :- 50 mm bore

All as per item No. 85 above but for 80 mm bore

M&L compressor oil 320 grade complete to topup oil level upto desired level all as specified and directed.

M&L liquid sodium hypochloride (NaClO) all as specified and directed.

S & F in repair Air Blower Belt of suitable size for motor upto 7.5 HP capacity

Taking up CI/DI water mains (including all fittings), with spigot and socket ends and lead joints/Titan Joints for the following size :- 150 mm bore

All as per item No. 90 above but for 100 mm bore

S&F in repair of sewage line DI pipe (flanged / spigot type) for sewage line laid in trenches of the following sizes :- 150 mm dia

All as per item No. 92 above but for 100 mm dia

M&L for Emptying complete water, removing sludge, silt, cleaning internally all the walls and bottom with wire mesh/brush/brooms etc by using washing soda and bleaching powder completely, finally cleaning with plain water for making the UG sump suitable to store potable drinking water incl one coat white washing inside and marking outside sump in visible place the capacity of sump, date of cleaning, due date for cleaning with white enamel paint, over black enamel paint complete all as specified and as directed by Engineer-in-Charge for the following sumps:- Capacity of 30000 gallons at AFSOD

All as per item No. 94 above but for Capacity of 33000 gallons at AFSOD

M&L for Emptying complete water, removing sludge, silt, cleaning internally all the walls and bottom with wire mesh/brush/brooms etc by using washing soda and bleaching powder completely, finally cleaning with plain water for making the OH reservoir of any staging suitable to store potable drinking water incl one coat white washing inside and marking out side sump in visible place the capacity of Tank, date of cleaning, due date for cleaning with white enamel paint, over black enamel paint complete all as specified and as directed by Engineer-in-Charge for the following overhead reservoirs including staging:- Capacity of 30000 gallons at AFSOD

All as per item No. 96 above but for Capacity of 33000 gallons at AFSOD

M&L for mechnical joint with nuts and bolts of the following sizes CI/DI pipes:- 200 mm dia bore

S&F PVC copper cable of size 2.5 Sqmm 3 core round / Flat type.

Supply and installed aviation lights of LED Based 15 W all as specified and directed by Engr-in-Charge.

S&F in replacement of non return valve flanged and threaded type including complete fixing accessories like nuts, bolts, packing etc of following sizes:- 63 mm dia bore

S & F digital type voltmeter (0-500 V) / Ammeter (0-400 A) & indication lamps.

S&F Electronic Timers ST 100 operating range of 160V to 500V as required

Taking out the existing unsv LT panel & supply & fixing of new accessories like starter single phase preventor, fuse cut outs, indicating lamp etc suitable for 5 HP, submersible pump set for outdoor application. Note :- Job includes necessary civil works such as foundation, grounding of panel etc & connecting back existing old cables.

S R CONSTRUCTIONS (BID ID -3137146)

DIVYA CONSTRUCTIONS (BID ID -3137383)

V.R.Enterprises (BID ID -3137372)