8136 REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY PIPE LINE DISTRIBUTION NETWORK INCLUDING REPLACEMENT OF CI GI DI PIPELINES INCLUDING REPAIR OF MOTOR OUTSIDE NAVAL DOCKYARD UNDER AGE EM I UNDER GE NW KUNJALI

Amount

Materials and Labour in repairs for finding leakages in pipeline of any length, type & size and rectification of leakages and applying run lead joint/spigot & socket joint/flange joints/D joint etc including provision of jointing material such as lead/flanges /clamps/jute/ rubber gaskets/nuts/ bolts/ washers /grease/socket etc, and testing of line after leakage rectification complete all as specified and directed. Note : (i) The cost of labour for excavation in any kind of strata, cutting of RCC/PCC surfaces/road, returning filling, fixing of joint, T&P and making good to the existing is included in the rate quoated by the contractor. (ii) Testing shall be carried out in the presence of Engineer-in-charge to the satisfaction of department. (iii) The cost of joints, fittings, nut, bolts, clamps, flange, rubber packing, welding, D joint of any size etc shall be included in quoted rate (iv) Repair to the leakage after informing complaint by concerned JE E/M or Engr-in-Charge within 24 hours. In case of failure noticed more than 24 hrs recovery shall be effected @ Rs.500/- per hour beyond 24 hrs.

Construction of brick masonry valve chamber in repair of size 1.2 x 1.2 x 1.2 M (internal dimension) (above GL 0.30 mtr) suitable for fixing of sluice valves, 15cm thick foundation using PCC 1:4:8 type D-2 over 15cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, finished even and smooth, without using extra cement, 5 mm thick plate cover on 50mm x 50mm x 6mm MS angle frame embeded in PCC 1:2:4 type B-1coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements ,hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified and directed.

Disconnecting all electrical connections of pumpset and dismantling horizontal / vertical split casing pump / Submersible pump of any make/model, dismantling and taking out pump shaft assembly complete for replacement of pump bearing DE or NDE, pump gasket including servicing, oiling and greasing the pumpset and assembling after replacment of defective parts and connecting to coupling testing & commissioning complete all as specified and directed for following sizes / capacities of pump :- (a) Bearing suitable for pump coupled with 120/100 HP motor. Make : SKF bearing No.3309/ 6309/ or equivalent in NBC/THORDON/ RHP/NBC/THORDON/ RHP /equivalent make approved by GE

(b) Bearing suitable for pump coupled with 60/75/50/40 HP motor complete all as specified and directed. . Make SKF bearing No. 3309/ 6309/ 3307/ 6307 or equivalent in NBC/THORDON/RHP /equivalent make approved by GE

(c) Bearing suitable for pump coupled with 10/12.5/ 15/ 20/ 25/ 30 HP" motor complete all as specified and directed. Make : SKF bearing No. 3306/6306/ 3307/ 6307/ or equivalent in NBC/THORDON/RHP /equivalent make approved by GE

(d) Bearing suitable for pump coupled with 7.5/5 HP motor complete all as specified and directed. Make : SKF bearing No. 3306/ 6306/ 3305/6305 or equivalent NBC/THORDON/RHP/ equivalent make approved by GE

(e) Bearing suitable for pump coupled with any HP motor bearing suitable complete all as specified and directed. Make : SKF bearing No. 3310 ATN9/21315EK EXPLORER or equivalent in NBC/THORDON/RHP/ equivalent make approved by GE

S&F in repair DE/NDE bearing of electric driven motor coupled wih pump including necessary greasing reassemble the motor connect, testing and commissioning complete for following capacity motors :- (a) Motor capacity 125/100 HP bearing suitable complete all as specified and directed. . Make : SKF bearing No. 6317/ 6314/ 6313 or equivalent in NBC/THORDON/RHP/NBC/THORDON/RHP /equivalent make approved by GE

(b) Motor capacity 60/75/ 50/40" HP bearing suitable complete all as specified and directed. Make SKF bearing No. 6313/ 6311/ 6310/6310-2Z or equivalent in NBC/ THORDON/RHP /equivalent make approved by GE

(c) Motor capacity 10/12.5/15/20/25/30 HP bearing suitable complete all as specified and directed. . Make : 6308/ 6208/ 6209/ 6307 or equivalent in NBC/THORDON/RHP /equivalent make approved by GE

(d) Motor capacity with 7.5/5 HP bearing suitable complete all as specified and directed. Make : SKF bearing No. 6306/ 6305/ 6206/ 6205 or equivalent in NBC/THORDON/RHP/equivalent make approved by GE

M & L for in repair replacement of rubber coupling complete all as specified and directed. Make : FENNER/ FINOLEX of size as per Existing at site including testing.

S&F in repair pressure gauge 150 mm dia range 0-10 kg/Sqcm complete all as specified and directed. Note : Rate quoted deemed to be included for providing adopter/Ferrule/check nut etc required for fixing of pressure guage.

S&F in repair MS coupling suitable to 100/75/60/50 HP pumps at various installations complete all as specified and directed. .

All as per item No. 7 above but suitable for 40HP/20HP/10HP complete all as specified and directed. .

M&L for transporting electric burnt motor to authorised workshop for rewinding strip opening and dismantling complete rotor and stator assemby, cutting; and taking out old burnt copper winding from the stator assembly and cleaning the slots of stator with carbon tetra chloride solution. Material and labour for rewinding complete stator assembly with and including super enamelled copper winding wire of suitable gauge machine with existing. Applying the minimum two coats of insulation varnish and keeping the stator assembly in heating chamber to improve insulation value. Assembling the motor , transporting back at site, coupled with the pumping sets allingments properly, connecting the LT cables and testing and commissioning complete all as specified and directed for electric Motors of following capacities :- (a) 100/125 HP capacity

(b) All as per item No. 9 but for 75/60 HP Capacity complete all as specified and directed.

(c) All as per item No. 9 but for 40/50 HP Capacity complete all as specified and directed.

(d) All as per item No. 9 but for 30/25 HP Capacity complete all as specified and directed.

(e) All as per item No. 9 but for 15/20 HP Capacity complete all as specified and directed.

(f)All as per item No. 9 but for 5/7.5/10 HP Capacity complete all as specified and directed.

S&F in repair/replacement of main contactor suitable for following capacity of motors including taking down old one :- (a) 75/60 HP motor, MNX 95, 3 pole, 415V, 50 Hz complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent make approved by GE

(b) All as per item No. 10 but for 40/50 HP motor, MNX 70, 3 pole, 415V, 50 Hz complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent make approved by GE

S&F in repair/replacement of over load relay suitable for capacity 100 to 7.5 HP motor , Relay range (35-50A) 415V, 50 Hz of motors including taking down old one :- Make : L&T/Havells/Siemens or equivalent make approved by GE

S&F in repair/replacement of MCCBs fixed in existing panel board including taking down old one of following capacity (a) MCCB 3 Phase (TP) 200A 50Hz, 35 KA. 415V, 50 Hz

(b) All as per item No. 12 but for MCCB 3 Phase (TP) 100A 50Hz, 25 KA, 415V, 50 Hz complete all as specified and directed.

(c) All as per item No. 12 but for MCCB 3 Phase (TP) 63A 50Hz, 25 KA, 415V, 50 Hz complete all as specified and directed.

M & L for replacement of unserviceable shaft sleeves for following capacity pump sets :- (a) Suitable for 40/30 HP complete all as specified and directed.

(b) All as per item No. 13 but for Suitable for 15/ 20 HP complete all as specified and directed.

(c) All as per item No. 13 but for Suitable for 10HP complete all as specified and directed.

M & L for replacement of unserviceable impeller as per existing make and sample suitable for following capacity pump sets :- (a) Suitable for 40/30 HP complete all as specified and directed.

(b) All as per item No. 14 but for Suitable for 10 HP complete all as specified and directed.

(c) All as per item No. 14 but for Suitable for 30HP complete all as specified and directed.

(d)All as per item No. 14 but for Suitable for 15 HP complete all as specified and directed.

Supply and fix in repair direct on line (DOL) starter 3 phase 415 Volts up to pumpset 05 HP capacity complete all as specified and directed. .

Material and labour for repairing, metal filling, turning and grinding of pumpset shaft on machine for the following capacity pump sets complete all as specified and directed. (a) 40 HP Pump set

(b) All as per item No. 16 but for 30 HP Pump set complete all as specified and directed.

(c) All as per item No. 16 but for 15 HP Pump set complete all as specified and directed.

(d) All as per item No. 16 but for 20 HP Pump set complete all as specified and directed.

(e) All as per item No. 16 but for 7.5/10 HP Pump set complete all as specified and directed.

M&L for replacement of gland packing suitable for pump set 125 HP to 10 HP complete with removing worn out gland, cleaning etc complete all as specified and directed. . Make:-Champion or equivalent as approved by GE

Supply and fix in repair/replacement of Star Delta Starter for 40 HP Motor, 415V, 50 HZ complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent as approved by GE

Supply and fix in repair/replacement of Star Delta Starter for 30 HP Motor, 415V, 50 HZ complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent as approved by GE

Supply and fix in repair/replacement of Star Delta Starter for 20 HP Motor, 415V, 50 HZ complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent as approved by GE

Supply and fix in repair/replacement of Star Delta Starter for 15 HP Motor, 415V, 50 HZ complete all as specified and directed. Make :L&T/Havells/Siemens or equivalent as approved by GE

Taking down and dismantling centrifugal pump sets of following capacity installed at various water supply installations for servicing/overhauling , greasing and replacement of worn out parts which shall be measured and paid separately under the relevant items of Sch `A' :- (a) 100/75 HP

(b) All as per item No. 22 but for 50/40 HP complete all as specified and directed.

(c) All as per item No. 22 but for 30/20 HP complete all as specified and directed.

(d) All as per item No. 22 but for 15/10/7.5/5 HP complete all as specified and directed.

M & L for run lead joint in repair with pig lead including pumping out accumulated water from the leak site and necessary earth work in any type of soil,to repair the joints for following sizes of pipes :- (a) 200 mm bore

(b)All as per item No. 23 but for 150 mm bore complete all as specified and directed.

(c) All as per item No. 23 but for 100 mm bore complete all as specified and directed.

S&F in repair heavy duty sluice valves flanged end, cast iron body, heavy duty flanged and drilled and non rising type brass spindle with nut, long body, class PN 16, conforing to IS 14846 of 2000 for following sizes including all flange joint with rubber or fiber board, bolts, nuts and washers complete including pumping out accumulated water complete all as specified and directed. (a) 300 mm bore

(b)All as per item No. 24 but for 250 mm bore complete all as specified and directed.

(c) All as per item No. 24 but for 200 mm bore complete all as specified and directed.

(d) All as per item No. 24 but for 150 mm bore complete all as specified and directed.

(e)All as per item No. 24 but for 100 mm bore complete all as specified and directed.

Taking up or down, steel water tubing, and connection including cleaning for re-fixing or removal from site of work, 100 mm bore, complete all as specified and directed.

All as per item No 25 here-in-before but 80 mm dia complete all as specified and directed.

All as per item No 25 here-in-before but 50 mm dia complete all as specified and directed.

All as per item No 25 here-in-before but 40 mm dia complete all as specified and directed. C

All as per item No 25 here-in-before but 25 mm dia complete all as specified and directed.

All as per item No 25 here-in-before but 20 mm dia complete all as specified and directed.

All as per item No 25 here-in-before but 15 mm dia complete all as specified and directed.

Supply and fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends &,laid in trenches fixed on wall with all fitting including taking down existing rusted pipes for the following sizes all as directed and specified (a) 15 mm bore

(b) All as per item No. 26 but for 20 mm bore complete all as specified and directed.

(c) All as per item No. 26 but for 25 mm bore complete all as specified and directed.

(d)All as per item No. 26 but for 40 mm bore complete all as specified and directed.

(e) All as per item No. 26 but for 50 mm bore complete all as specified and directed.

(f)All as per item No. 26 but for 80 mm bore complete all as specified and directed.

(g)All as per item No. 26 but for 100 mm bore complete all as specified and directed.

Supply and fix in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified of following sizes :- (a) 40 mm bore

(b) All as per item No. 27 but for 50 mm bore complete all as specified and directed.

(c) All as per item No. 27 but for 25 mm bore complete all as specified and directed.

(d) All as per item No. 27 but for 20 mm bore complete all as specified and directed.

Supply and fixing in replacement of cast iron pipes with spigot and socket ends centrifugally cast heavy grade class B in any length laid in trenches of following sizes. MAKE:-LAMCO INDUSTRIES LTD/ ELECTRO STEEL/ Jindal/ Tata (a) 200mm bore

(b) All as per item No. 28 but for 150mm bore complete all as specified and directed.

(c) All as per item No. 28 but for 100mm bore complete all as specified and directed.

(d) All as per item No. 28 but for 80mm bore complete all as specified and directed.

S&F in repair MS plate cover 5mm thick of valve chamber,under groundsump/ over head tank, including necessary fabrication work with hinges, handle and applying two coats of synthetic enamel paint over one coat of red oxide complete all as specified and directed.

Taking down DI/CI special, corroded MS sections and S&F angle iron frame of size 50 x 50 x 6 mm of valve chamber, over head tank, UG sump including necessary fabrication work with any size of channel, angle, beam complete all as specified and directed.

(a) Supply & installation with replacement , testing complete of DIGITAL WATER LEVEL INDICATOR DEVICE, operating on Single Phase Supply, direct display in 150 mm size digit display system which must show water in meter/centimeter or gallon of water level of SUMPS/OVER HEAD TANK ensuring alarm while water fall or rise at predetermined limit with 1 minute auto off alarm. (b) The entire unit must operate through a compact electronic circuit which must ensure reliable operation at 230 volts+/- 5% with reliable in digit display & alarm at low & high level of SUMPS/OVER HEAD TANK. (c) The circuit must be housed in MS CRC Sheet box with nylon moulded connection strips. The level system must resistance trasducer which unaffected by corrosion and other contacts available in water. The product must be controlled by micro switch (should not be sensor system). (d) The whole unit must electronically controlled and the upper level and lower level indicator must be highly sensitive MICRO SWITCH. The complete unit must be fitted in MSCRC sheet box and be installed at PUMP HOUSE with proper powder coating paints. (e) The required flexible copper cable of 0.5/1.5 sqmm, 3 core size from SUMPS/OVER HEAD TANK to PUMP HOUSE to be provided for connection of both units. Note: GI Conduit for protection of copper cable including taking down existing unserviceable water level indicator is included in quoted rate.

Material and labour for preperation of steel/iron surface of old painted surface of any description , not otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with synthetic enamel paint of superior quality any colour specified by user complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundation/laying of pipe etc and getting out in hard dense soil complete all as specified and directed.

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

Removing surplus excavated soil to a distance not exceeding 50 m and deposited where directed complete all as specified and directed.

S&F PVC water storage tank and fixing in position at any location and making in replacment all incoming & out going connection , provision of new tank fittings & connecting it at existing position complete all as specified and directed of following capacity :- (a) 5000 Ltr capacity

(b) All as per item No. 36 but for 3000 Ltr capacity complete all as specified and directed.

(c) All as per item No. 36 but for 2000 Ltr capacity complete all as specified and directed.

(d) All as per item No. 36 but for 1000 Ltr Capacity complete all as specified and directed.

(e) All as per item No. 36 but for 10000 Ltr Capacity complete all as specified and directed.

Supply and fix in repairs LT 1100 volts grade submersible cable, flat 6 Sqm 3 core, PVC insulated and seathed copper screen protected with multi stranded copper conductor complete all as specified and directed .

Supply and lay in repair cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core. laid in trench/ duct / along pole/wall etc including making connection complete all as directed. Note : 1. The cost of thimbles/lugs and cable gland etc shall be incl in quoted rate and no extra payment shall be be made on this account

Supply and lay in repair cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 sq mm 3.5 core. laid in trench/ duct / along pole/wall etc including making connection complete all as directed. Note : 1. The cost of thimbles/lugs and cable gland etc shall be incl in quoted rate and no extra payment shall be be made on this account

Attending complaints to all kinds of pump motors by qualified mechanic to check and test DOL/star-delta starter connections including settings of relay and timer, NO & NC contacts, main power connections, fixing of cable joints,fixing gland packing of approprate size to the pump motors, rectifying pump leakages by replacing flange, rubber packing and nut bolts of existing size and cleaning of pump motors to confirm the satisfactory running with replacement of following items. The cost of minor spares such as lugs of all size, wires, nut, bolts, washer, Flanges, rubber packing, gland packing, cable joints, motor fan etc are included in quoted rate by contractor. Note: Repair to defects after informing within 24 hours, in case of failure noticed more than 24 hrs recovery shall be effected @ Rs.500/- per hour beyond 24 hrs.

Taking down old unserviceable Non return valve, supply and installed, connecting and testing , Non return valve cast iron flanged both end connecting in line with nut bolts, rubber packing etc complete all as specified and directed by Engr- in charge of the following sizes :- (a) 80 mm dia

(b) All as per item No. 41 but for 100 mm dia complete all as specified and directed .

(c) All as per item No. 41 but for 150 mm dia complete all as specified and directed .

Rama Construction Co (BID ID -3135280)

shubham construction (BID ID -3126245)

Shree Ayyappa Engineering (BID ID -3126940)

siddharth and company (BID ID -3126570)

N.S.ENTERPRISES (BID ID -3126894)

Shetty Construction Co (BID ID -3127356)