REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AT KHUNDRU UNDER GE 861 EWS

Amount

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr deep in any type of soil and getting out for taking down/laying Pipe lines of any description and in any position including forming sides and bottom surface to required level/ gradients complete all as specified and directed.

Returning filling in, excavated soil including spreading, leveling, watering and well ramming in layers of thickness not exc. 25cm in each layer complete all as specified and directed.

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

Disconnecting and taking up or down old existing steel tubing and connections of any description/grade and in any position in trenches/under floors/on walls etc including connected fittings/ accessories and fixtures like bib-taps/stop valves etc. all as directed and specified for the following sizes :- (a) 100mm bore

(b) 80 mm bore

(c) 50 mm bore

(d) 40 mm bore

(e) 25 mm bore

(f) 20 mm bore

(g) 15 mm bore

Laying only old steel water tubing and connections of any description/any grade and in any position obtained in serviceable condition from taking down, in new or old position as in trenches with using new fittings i.e. bends/Tee/ sockets/ reducers/elbow etc. including cutting/making new threads at the ends of old pipes for the following size all as specified and directed:- (a) 100 mm bore

(b) 80 mm bore

(c) 50 mm bore

(d) 40 mm bore

(e) 25 mm bore

(f) 20 mm bore

(g) 15mm bore Note for item No. 11 to 17: (i) The old retrieved steel tubing obtained in serviceable conditions (obtained from srl no 04 to 10 shall be re-used under item No 11 to 17 after cutting & removing unserviceable portion and using new fittings like bends/sockets/unions etc for necessary addition/alteration as per site requirement and the rate quoted against this item deemed to include this aspect. (ii) Pipe shall be used after proper cleaning (Internally & externally) as approved by the Engineer-in-Charge.

Supply, laying, jointing and testing in trenches, galvanized iron water tubing medium grade (ISI marked) including provision of all necessary steel fittings/ accessories complete all as specified and directed for the following sizes :- (a) 100 mm bore

(b) 80 mm bore

(c) 50 mm bore

(d) 40 mm bore

(e) 25 mm bore

(f) 20 mm bore

(g) 15 mm bore

Taking up/down existing cast iron pipe lines/water mains of any description and in position including fittings, accessories and fixtures etc existing in between pipe line, by taking out and opening any type of joints (Tyton/Gasket / Lead joints) complete all as specified and directed by the Engineer-in-Charge for following bore of pipes:- (Note : While taking out of water main existing lead shall be recovered by burning out joints carefully from the existing joints of the water mains and shall be the contractor’s property and credit recovery shall be made for the same) (a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Laying only in trenches, spigot and socketed cast iron pipes of any description/grade and in any position, as obtained from taking up or down, after making necessary addition / alterations and properly cleaning the pipes complete all as specified and directed by Engineer-in-Charge for following bore of pipes:- Note :-(i) Earth work, Joints and CI specials/ fittings of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'.(ii) Joints of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'. (a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Supplying ,laying, jointing & testing in trenches cast iron pipes with spigot and socketed ends centrifugally cast (spun cast) class LA suitable for run leads joints complete all as specified and directed by Engineer-in-Charge for the following size:- Note :-(i) Earth work, Joints and CI specials/fittings of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'(ii) Joints of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'. (a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Supplying and fixing in repair cast iron specials / fittings such as bend, tee, socket, collar, reducer, tail pieces etc. suitable for spigot and socketed/flanged end pipe up to 150 mm bore complete all as specified and directed by Engineer-in-Charge.

Supply, fixing, jointing and testing, ISI Marked, of approved quality, gun metal globe/gate valve with iron wheel head, both ends screwed for iron pipe including taking down of old one complete all as specified and directed for following bore of pipes:- (a) 50mm bore

(b) 40mm bore

(c) 25mm bore

(d) 20mm bore

(e) 15mm bore

Supply, installation, fixing, jointing and testing, ISI Marked, of approved quality, cast iron sluice valve of class PN-1 conforming to IS-14846 of 2000 both ends flanged with iron wheel head and stainless steel spindle, long body type, jointed and tested including taking down of old one complete all as specified and directed for following bores (a) 100 mm bore

(b) 80 mm bore Note:- (i) Joints of the sluice valve shall be measured and paid for separately under appropriate item of Schedule `A' . (ii) Sluice valve shall be of make Bir/Upadhayay/Sant as approved by GE

Supply and fixing, ISI Marked, of approved quality, cast iron non return valve, both ends flanged jointed and tested including taking down of old one complete all as specified and directed for following sizes (Make Bir/Upadhayay/Sant as approved by GE ) (a) 150mm bore

(b) 100 mm bore

(c) 80 mm bore

Burring out run lead joint of CI pipe line all as specified and directed for following sizes:- (Note: Lead shall be recovered by burning out joints carefully from the existing joints of the water mains and shall be the contractor’s property and credit recovery shall be made for the same) (a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Material and labour for run lead joints including caulking properly for the following sizes of CI pipes/fittings etc all as specified and directed:- (a) 150mm bore

(b) 100mm bore

(c) 80mm bore

Material and labour for rubber gasket joints in flanged end cast iron pipes and fittings complete with and including minimum 3 mm thick rubber /fiber gasket and necessary nuts/bolts/washers including dismantling of flanged pipe joint, all as specified and directed for following sizes:- (a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

Material and labour for fabricating and fixing on pipe line MS clamp of flat iron made to shape along with nuts, bolt washers etc suitable for pipe line all as specified and directed by Engineer-in-Charge for stopping leaking of pipe lines of any description and in any position clamps shall be shape and size as approved, tightened with suitable nuts, bolts washers as directed by Engineer-in-charge. Note: - (i) Weight of clamps including nuts, bolts and washer shall be measured for payment purpose.(ii) Clamp shall be tightened with using suitable rubber washers.(iii) Clamp shall be provided two coats of black bituminous paints over a coat of red oxide primer after preparation of surface.

M&L for Cutting of the existing CI pipe line for rectifying leakage and reducing to required length, in position, for insertion of collars or other fittings including dewatering etc complete all as specified and directed for the following bore of pipes:- (a) CI Pipe line 150 mm bore

(b) CI Pipe line 100 mm bore

(c) CI Pipe line 80 mm bore

Material and labour for construction of brick masonry valve pit /chamber complete with 3mm thick MS sheet cover with locking arrangement of size 450 x 450 x 600mm (depth) (internal dimensions) as shown on Drg No CWE /TD/129 sheet No 1/1 dated 18.12.87 with and including necessary excavation & earth work in any type of soil including dismantling & breaking down the existing valve pit chamber of any size and any shape complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No 57 above but of size 600mm x 600mm x 600mm (depth) (internal dimensions)

Description all as per item No 57 above but of size 800mm x 800mm x 900mm (depth) (internal dimensions)

M&L for rectifying leakage of CI pipe line including excavation in mud (not exc 1.5m x1.5m x 1.0 m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, taking out existing joint and making new run lead joint complete all as directed for following size of pipe lines:- (a) 150 mm bore

(b 100 mm bore

(c) 80 mm bore

Material and labour for rectifying leakage of GI pipe line including excavation in mud (not exc 6.1mx0.7m x0.7m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, for taking out old jointing fitting and S&F new one jointing fitting such as socket, nipple,union,elbow and reducers complete all as directed for following size of pipe lines:- (a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

(e) 20 mm bore

(f) 15 mm bore

Dewatering through pumping and cleaning of water sumps of 25000 Gallon capacity including taking out sedimented loose sludge, mud and vegetation from sump and disposal thereof to a distance not exceeding 50 mtr, cleaning and scraping of walls and bottom surface of sump by steel wire brush to remove depositions/fungus /rusts etc complete all as specified and as directed by Engineer-in-Charge

Dismantling and strip opening of submersible pump & motor of any description and in any position for servicing / overhauling, cleaning, oiling/greasing, fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the Pump & motor, ensuring proper alignment of pump and motor, fixing in position, connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities pumps & motors :- (a) 10/12.50HP, three phase, 415 Volts, 50 Hz, AC supply

Machining work for the following item & capacities of the submersible motors of any description, complete all as specified and directed by the Engineer-in-Charge. (a) Rotor machining, grinding balancing & reconditioning.

(b) Motor tube boring, machining & reconditioning

(c) Motor lamination setting with material

(d) Thrust bearing & plate reconditioning

(e) Rotor reconditioning

(f) Slote repairing in stator

Disconnecting the existing non functional submersible pump set from supply, dismantling existing CI bend from non return valve, removing and lifting out submersible pump set of any description and capacity & in any position, along with existing column pipe 80/50mm dia and existing submersible cable of any size from the bore well 150mm bore (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge. NOTE: 1. Contractor shall take proper precautions while lifting out and removing pump set from bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost 2. Taking out of Sunken submersible pump sets if any shall be measured and paid for separately under appropriate item of Schedule `A' without making any adjustment in above rates

Lowering down of the submersible pump set after repair of any description and any capacity & in any position, in bore well along with column pipe 80/50mm dia and submersible cable of any size (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge including making necessary electric connections & testing the pump set after lowering. NOTE: 1. Contractor shall take proper precautions while lowering pump set in bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost. 2. Rates quoted by the contractor for the above item includes the cost of assembling & connecting pump set to column pipes & assembling, jointing and fixing column pipes/pump sets/submersible cable and making necessary connections and including reconnecting water supply system. The required materials like column pipes/ /submersible cable/pump sets etc (new/old retrieved materials) shall be provided by the department to contractor for fixing and lowering in bore wells

Taking out & removing old burnt out windings of the submersible electric motors of following capacity and rewinding of submersible electric motors with existing size PVC insulated, copper conductor (Make : Finolex / Atlas/Devidyal) as approved by the engineer-in-charge including cleaning the slots with carbon- tetra-chloride solution before rewinding ,transportation to site, fixing / lowering in position & testing on full load etc complete all as specified and directed by Engineer-in-Charge:- (a) 10/12.50 HP, three phase, 415 Volts, 50 Hz, AC supply

Taking down unsv multi stage centrifugal pump set any make 18.50 to 30 Hp capacity 4000 GPH 500 feet head and transporting to civil work shop with and including loading and unloading and dismantling electric motor and pump set taking out old/burnt winding from the induction motor and unsv parts from the multi stage centrifugal pump set such as bearing cartridge DE and NDE side, impeller pump shaft etc and bringing back from the civil work shop insllated pump set its original position with and including minor spares such as nuts, bolts, and washers and testing complete all as specified and directed.

Taking down unsv multi stage centrifugal pump set any make 60 to75Hp capacity 8000 GPH 500 feet head and transporting to civil work shop with and including loading and unloading and dismantling electric motor and pump set taking out old/burnt winding from the induction motor and unsv parts from the multistage centrifugal pump set such as bearing cartridge DE and NDE side, impeller pump shaft etc and bringing back from the civil work shop insllated pump set its original position with and including minor spares such as nuts, bolts, and washers and testing complete all as specified and directed.

Cutting and taking out old/burnt winding from the stator of 60 HP electric motor 3 phase 50 HZ and cleaning of stator with CTC solution and rewinding the electric motor with super enameled heavy duty winding wire existing gauge and existing Nos of turn with and including insulation material insulation paper, varnish and baking up till the complete insulating dried. all as as specified and directed.

Cutting and taking out old/burnt winding from the stator of 75 HP electric motor 3phase 50 HZ and cleaning of stator with CTC solution and rewinding the electric motor with super enameled heavy duty winding wire existing gauge and existing Nos of turn with and including insulation material insulation paper, varnish and baking up till the complete insulating dried. all as as specified and directed.

Overhauling the multistage centrifugal pump set 60 HP capacity any make having discharge 4000 GPH at 500 feet head with and including replacement of all impellers, bearings pump shaft and or other items which is required to replace all lathe work such as remetalling, grinding, polishing and balancing all as specified and directed.

Overhauling the multistage centrifugal pump set 75HP capacity any make having discharge 8000 GPH at 500 feet head with and including replacement of all impellers, bearings pump shaft and or other items which is required to replace all lathe work such as remetalling, grinding, polishing and balancing all as specified and directed.

Supply and fixing in repair 10 Sqmm, 3 Core, flat submersible Cable, PVC insulated, PVC sheathed with multi-stranded copper conductors, 1100 Volt grade, complete all as specified and directed.

S&F in repair fully automatic star delta starter suitable for 50 HP, 415 volt, 50 HZ AC supply electric motor contactor size 50 , over load relay 37-50 Amp all as specified and directed.

S&F in repair fully automatic star delta starter suitable for 60 HP, 415 volt, 50 HZ AC supply electric motor contactor size 50 , over load relay 48-65 Amp all as specified and directed.

S&F in repair fully automatic star delta starter suitable for 75 HP, 415 volt, 50 HZ AC supply electric motor contactor size 65 , over load relay 55-70 Amp all as specified and directed.

S& F in repair gland packing of any size as per site requirement, complete all as specified and directed.

Supply only chlorine for water supply, complete all as specified and directed.

M&L lagging to pipes used in external water supply of plumbing all around with 25mm thick bonded mineral wool pre-formed SNAPON pipe section of density 144 Kg/Cum conforming to IS-9842 or equivalent and provided chicken wire mesh netting 25gauge 20mm meshing and plaster of Peris 3 to 5 mm thick all around the mesh for 20mm bore dia GI tubing, complete all as specefied and directed.

Supply and fixing in repair of GI union for the following size all as specified and directed:- (a) 15mm bore

(b) 20mm bore

(c) 25mm bore

(d) 40mm bore

(e) 50mm bore

Supply and fixing in repair of GI elbow for the following size all as specified and directed:- (a) 15mm bore

(b) 20mm bore

(c) 25mm bore

(d) 40mm bore

(e) 50mm bore

Supply and fixing in repair of GI tee for the following size all as specified and directed:- (a) 15mm bore

(b) 20mm bore

(c) 25mm bore

(d) 40mm bore

(e) 50mm bore

Supply and fixing in repair of GI socket for the following size all as specified and directed:- (a) 15mm bore

(b) 20mm bore

(c) 25mm bore

(d) 40mm bore

(e) 50mm bore

M/S Tantray and Co

M/S Hilal Builders

M/S HAFIZ AND SONS