REPAIR /MAINT REPLACEMENT OF UNSV GI/CI/DI PIPE LINE, VALVES, AND ALLIED WORKS AT DOMESTIC AREA AND PUMPING DISTRIBUTION AND CONNECTED ITEMS AF STN UTARLAI

Amount

Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth, or n exc 10 Sqm on plan and n exc 1.5 m in depth for foundations, shafts, wells, cesspits, manholes, pier holes, for foundations of poles, struts, stays etc. or laying underground cable and water supply pipe lines etc. in soft/loose soil, & getting out including taking out old brick or precast cable cover complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, leveling watering and well ramming in layers n.exc 25 cm in soft/loose soil/\ complete all as specified and directed by Engineer-in-charge.

Removal of excavated soil material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and directed by Engineer-in-charge.

S&F 15mm bore galvanized steel water tubing medium grade with & including all fittings and fixed complete to walls and ceilings or laid in floors / trenches including taking up or down old u/s GI tubing with all connections complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 04 above but 20 mm dia bore.

All as per Srl item No 04 above but 25 mm dia bore.

All as per Srl item No 04 above but 40 mm dia bore.

All as per Srl item No 04 above but 50 mm dia bore.

All as per Srl item No 04 above but 80 mm dia bore.

Supplying, laying, jointing, commissioning and testing 100mm bore centrifugally cast (Spun) ductile iron pressure pipe with spigot and socketed ends class K-7, confirming to IS : 8329/2000 blast furnace slag cement with portland cement properties suitable for rubber gasket jointing / tyton joints with inside cement mortar lining and black bitumen external coating, duly (ISI marked) laid in trenches including taking up of down 100 bore G//CI/DI pipe including connections complete all as specified and directed by Engineer-in-Charge. Note :- (i) DI fittings shall be measured and paid separately under respective items (ii) Pipes shall be laid in trenches already excavated for taking out old GI pipe line. Extra excavation / earthwork shall not be paid.

All as per Srl item No 10 above but 150 mm dia bore.

S&F in replacement gun metal globe or gate valve 20mm bore with iron wheel head, screwed both ends for iron pipes complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 12 above but 25 mm dia bore.

All as per Srl item No 12 above but 40 mm dia bore.

All as per Srl item No 12 above but 50 mm dia bore.

Supply & fixing cast iron body sluice valve heavy duty class ‘PN-1.6’ of 80 mm bore, ISI marked with IS 14846 : 2000, both flanged ends and drilled, high tensile stainless steel spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete, all as specified & directed.

All as per Srl item No 16 above but 100 mm dia bore.

All as per Srl item No 16 above but 150 mm dia bore.

S&F Cast iron non return valve / reflux valve with rubber seat flanged type with by pass arrangement suitable for 80mm bore pipe, ISI marked, conforming to IS- 5312/2004 with stainless steel spindle, CI gate with brass nuts, bolts, washers and jointing with necessary ruber gasket etc including dismantling & taking out old unserviceable sluice valve of 80 mm bore, complete, all as specified & directed.

All as per Srl item No 19 above but 100 mm dia bore.

Supply and fix in repair Foot Valve conforming to IS 4038, 80 mm (3”) dia complete all as specified and directed by Engineer-in-charge.

Cutting green growth / vegetation growth for cleaning out the area by cutting up root, unwanted plants/bushes and removal the same to a distance not less than 50 mtr directed by Engineer-in-Charge.

Cleaning of Semi U/G sump of capacity 300000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 80 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. Note:- (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of Semi U/G sump of capacity 200000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 60 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of U/G sump of capacity 150000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 50 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of U/G sump of capacity 75000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 30 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of U/G sump of capacity 50000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 25 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of U/G sump of capacity 30000 Gln, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 25 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of U/G sump of capacity 3000 to 10000 Ltr, dewatering the tank below the suction pipe with submersible pump with suitable arrangements, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 20 Kg and remove all foreign materials and clean with plain water and then after cleaning making white wash of the inner surface and outer surface with the lime complete, all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of OH tank of capacity 20000 Gln first with plain water and then with the bleaching powder minimum 50 Kg after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge.(i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of OH tank of capacity 50000 Gln first with plain water and then with the bleaching powder minimum 50 Kg after cleaning making white wash of the inner surface with the lime complete all as directed by the Engineer-in-Charge.(i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Cleaning of PVC tank of capacity 5000 Ltr, dewatering the tank, desilting and removing of left over water from bottom, cleaning tank surfaces by using bleaching powder approx 5 Kg and remove all foreign materials and clean with plain water all as directed by the Engineer-in-Charge. (i) The job shall be completed within 8 hrs to avoid any interruption in distribution of water supply (ii) The date of cleaning and due date should be written legible on the surface of the tank/sump as per existing old colour and font size.

Supplying & fixing DI fittings confirming to IS-9523-2000 suitable for spigot & socketed pipes such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc),tee pieces, single branch, 'Y' junction, double branch, cross collar, caps and plugs etc. suitable for spigot and socketed pipes upto 150 mm bore, complete, all as specified and directed by Engineer-in-charge.

Demolition of cement Concrete in ground floors and pavings n exc 15 cm thickness

M & L for cement concrete in road surfacing, filling and mass concrete type B2, 1:2:4 (40mm graded stone aggregate) 100mm thickness for repairs to road cutting for laying of pipe lines/complete all as directed by Engineer-in-Charge.

M & L for Cement concrete in surface channels and drains Type C2 1:3:6 (40mm graded aggregate) thickness 100mm complete all as directed by Engineer-in-Charge.

M&L for attending to break down of 150 to 350mm dia DI pipe line bursting/cracks including necessary excavation, dewatering the water accumulated at site, removal of broken pipe pieces of various lengths through gas cutting/manual cutting as per site requirement including removing out the damaged DI pipe and inserting necessary DI specials such as collar, nipple etc as required at site and providing of new joints as required at site, clamping arrangements, including testing for the leakages pipes complete all as specified and directed by Engineer-in-Charge. Note:-fitting & joint will be measured separately.

M&L for taking out of Elect Motor 40 HP Capacity installed as motor from foundation after disconnecting electrical connections, dismantling motor and rewiding the same with super enamelled copper winding wire of existing gauge including varnishing, baking, cotton tape and greasing of bearings, bushes and other connected parts, reassembling and fixing the same in its original position including replacement of unserviceable nut-bolts, washer, lugs, terminal plate and making proper electrical connection complete all as specified and directed by Engineer-in-charge. Note : - (i) Bearing if required for replacement shall be paid seprately (ii) Transportation of motor is included in the unit rate of items nothing extra shall be paid on this account.

All as per serial item No.38 here-in-above but motor of capacity 20 HP

All as per serial item No. 38 here-in-above but motor of capacity 10/12.5 HP

All as per serial item No. 38 here-in-above but motor of capacity 7.5 HP

All as per serial item No. 38 here-in-above but motor of capacity 5 HP

All as per serial item No. 38 here-in-above but motor of capacity 3 HP

All as per serial item No. 38 here-in-above but motor of capacity 2 /1 HP

Material and labour for repairing/servicing of motor of any capacity from foundation, dismantling the motor and replacement of unserviceable bearing if required, reassembling the motor and fixed in its original position complete all as specified and directed by Engineer-in-charge. Note: - (i) Bearing shall be measured and paid for separately as “Supply only” (ii) New Nuts, bolts and washers if required for refixing the motor shall be provided by the contractor, nothing extra shall be paid on this account.

Supply only Ball Bearing of suitable size for rotor of motor 40 HP installed complete all as specified and directed by Engineer-in-charge.

All as per serial item No 46 here-in-above but for motor of 20 HP.

All as per serial item No 46 here-in-above but for motor of 10 /12.5 HP.

All as per serial item No 46 here-in-above but for motor of 7.5 HP.

All as per serial item No 46 here-in-above but for motor of 5 HP.

All as per serial item No 46 here-in-above but for motor of 3 HP.

Taking out defective pump set , assembled with 40 HP elelctric motor, dismantling the pump set for carrying out repair / replacement of unserviceable parts such as CI impeller, Bush, ball bearing etc. reassembling, installing, commissioning and testing complete all as specified and directed by Engineer-in-charge. Note :(i) CI impeller, Bush & ball bearing required to replace shall be measured and paid for separately under respective items of BOQ as “Supply only”. (ii) The cost of transportation is included in the unit rate of this item nothing extra shall be paid on this account.

All as per serial item No 52 here-in-above but pump set assembled with 20 HP elelctric motor

All as per serial item No 52 here-in-above but pump set assembled with 10 /12.5 HP elelctric motor

All as per serial item No 52 here-in-above but pump set assembled with 7.5 HP elelctric motor

All as per serial item No 52 here-in-above but pump set assembled with 5 HP elelctric motor

Supply only ball bearing suitable for centrifugal Pump set assembled with 40 HP motor complete all as specified and directed by Engineer-in-charge.

All as per serial item No 57 here-in-above but assembled with 20 HP Motor

All as per serial item No 57 here-in-above but assembled with 10 /12.5 HP Motor

All as per serial item No 57 here-in-above but assembled with 7 .5 HP Motor

All as per serial item No 57 here-in-above but assembled with 5 HP Motor

All as per serial item No 57 here-in-above but assembled with 3 HP Motor

Supply only stainless steel Bush suitable for pump set assembled with 40 HP motor complete all as specified and directed by Engineer-in-charge.

All as per serial item No 63 here-in-above but assembled with 20 HP Motor

All as per serial item No 63 here-in-above but assembled with 10 / 12.5 HP Motor

S&F in replacement 80mm dia butterfly valve complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 66 above but 100 mm dia bore.

Supply calcium based high strength granular chlorination chemical a white off white free flowing granular material which is free of foreign materials decompising at 177 degree C soluble in water and alcohol not hygroscopic practically clear in water solution auration level. The material should not contain more than 5% to 10% moisture. Granular should be as mesh passing through 100BS 1.5% maximum iron as Fe 0.05% maximum Mn 40 PPM maximum Mol wt 142.98, Toxicity: Oral rate LD 50-850mg/Kg. Make : Approved by AHQ E-in-c's Branch New Delhi/Zonal Chief Engineer

Supplying, laying & jointing in replacement submersible cable flat type, copper conductor of size 16 Sqmm 3 core complete all as specified & as directed by Engineer –in-charge.

All as per serial item No.69 here-in-above but 10 Sqmm 3 core.

All as per serial item No.69 here-in-above but 6 Sqmm 3 core.

All as per serial item No. 69 here-in-above but 4 Sqmm 3 core.

S&F in replacement of water level indicator of RCC UG reservoir or over head reservoir as directed by Engr-in-Charge.

Replacement of PVC floats of size 300mm with pvc wire, red paiting iron plate as per existing size including changing of nilon rope etc complete as directed in all RCC over head reservoir or UG reservoir.

S&F in replacement of DOL Control panel starter for submersible pump 3 HP motor overlaod,3 Phase relay range 6 A - 10.0 A including dry mode ms enclosure of suitable size for the housing of the above said material which include single phase preventor, on/off switch,voltmeter,ammeter and mounting/clamping arrangement as required at site including making electrical connection complete all as specified & as directed by Engineer-in-charge

M&L for Construction of brick masonry valve pit, in repair, of internal size 90cm x 90cm x 90cm including necessary excavation and earth work in soft/loose soil, brick work, plastering, white wash, PCC coping, MS frame made out of angle iron of size 40mmx40mmx6 mm, MS sheet cover of 3 mm thick fixed to angle iron frame by means of hinges welded to frame and painting with 2 coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces and grouting the frame in PCC 1:2:4 type B-1 including handle and locking arrangement with one number 50 mm dia brass pad lock , complete all as specified and directed by Engineer - in - Charge Note :- (i) Brick wall shall be 23 cm thick built in cement mortar (1:4) (ii) Internal plaster shall be 15 mm thick in cement mortar (1:4) and external plaster upto 450mm from top shall be 20mm thick in CM (1:6) and remaining external surface shall be flush pointing in CM (1:6) as the work proceeds. (iii) PCC in foundation shall be 15 cm thick in cement concrete (1:4:8) type D2 using 40 mm graded stone aggregate extended 15 cm all around from the external face of the walls. (iv) PCC coping shall be 15 cm thick in cement concrete ( 1:2:4) type B1 using 20 mm graded stone aggregate including grouting of angle iron frame in PCC. (v) Three coats of white wash to internal surfaces of valve pit. (vi) Depth of valve pit shall be reckoned from the top of PCC in foundation.

All as per Srl item No 76 above but internal size 120cm x 120cm x 90cm

Preparation of old painted steel surfaces of panel body of any size incl scrapping old paint, denting and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-charge.

M&L for complete removal of existing paint of Elect motor with pump including base frame and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-charge.

Supply and fix pressure gauge air water meter of pressure range 0-10 kg/Sqcm complete all as specified and directed by Engineer-in-charge.

S&F in replacement Digital type Voltmeter 96mm x 96mm, of range 0-500 volts, class -1, incl internal wiring with 1.0 sqmm single core PVC wire etc complete all as specified & as directed by Engineer-in-charge

S&F in replacement Digital type Ammeter 96mm x 96 mm, single phase,as suitable range, class -1, incl internal wiring with 1.0 sqmm single core PVC wire etc complete all as specified & as directed by Engineer-in-charge

KRISHNA CONSTRUCTION COMPANY (BID ID -3465537)

M/s Sati Jasnath Enterprises (BID ID -3472645)

Devi Engineeing (BID ID -3472414)

GITANSH ENGINEERS AND COMPANY (BID ID -3463077)

M/S TANUSHREE CONSTRUCTION COMPANY (BID ID -3468136)