REPAIR/MAINT OF STP AND CONNECTED PIPE LINE SUB MOTORS, FITTING DESLEDGING CLEANING VALVES AND NETWORK AT LGJ MIL STN

Amount

Excavation of area not exceeding 1.5 m deep and getting out muddy/semi solid sludge complete all as specified and directed by Engr-in-charge. Filter Bed -10 Nos. Size of filter bed :- length-7.00M width - 4.50M, Depth of muddy/semi soild sludge to be removed : 1.50 M.

Rough Excavation not exceeding 1.5 m deep and getting out muddy/semi solid sludge all as specified by Engineer-in-Charge (Sewage Sumps - 02 Nos and Sewage collection Sump - 01 No). Size of sewage sump :- Iner dia = 7 RM, Depth of muddy/semi soild sludge to be removed : 1.20 RM. Qty of Sludge = 3.14x3.5x3.5x1.2x3 =138 Cum Note for ITEM No-1 & 2 (a) For cleaning of the treated water collection pond eqpt and manpower shall be employed by the contractor in such a manner that the cleaning is completed in all respect within two days. (b) Any damage caused to the tank during cleaning shall be made good by the contractor without any extra cost (c) The Contractor shall make the necessary arrangements to block the incoming sewage pipe lines of Sewage Sumps and Sewage collection Sump before starting the above work and opening the same after cleaning of the sumps for which no extra payment will be made. (d) The Contractor shall make the necessary arrangements for removing the sewage waste from mainholes nearest to the Sewage Sumps at the time of the cleaning of the Sumps, for which no extra payment will be made. (e) No extra payment will be made for transportation of pumping sets or any other machinery required for the above work. (f) The Contractor shall dismantling the dilivery line which is not working and deposited to MES yard for which no extra payment will be made.

Removing excavated material exceeding 1.5m but not exceeding 5KM and depositing where directed by Engineer-in-Charge.

M & L in repairs for framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; ailings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 for Collection Raw Water Chamber, MBBR and clarifier as per existing sample complete all as specified and directed by Engr-in-charge.

Supply and fix in repairs CI fitting 150mm bore connecting pieces one end flanged and other socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth complete all as specified and directed by Engr-in-charge.

Supply and Fix in repairs sluice valve 150mm bore PN 1.6 with flanged ends complete all as specified and directed by Engr-in-charge.

Supply and Fix in repairs Butterfly valve 150mm bore complete all as specified and directed by Engr-in-charge.

Supply and Fix in repairs Butterfly valve 100mm bore complete all as specified and directed by Engr-in-charge.

Excavation in trenches not exc.1.5 m wide and n.exc 1.5 m deep in soft/loose soil for laying water main pipe etc getting and forming bottom surface to required gradient complete all as specified and directed by Engr-in-charge.

Returning filling in including spreading, levelling watering and well ramming in layer n.exc 25cm thick complete all as specified and directed by Engr-in-charge.

Removing surplus soil to a distance n.exc 50m and depositing where directed at level n.exc 1.5 m above the starting point complete all as specified and directed by Engr-in-charge.

M & L for following work included for cleaning of Clarifier completely alongwith agitator and S & F in repair agitator with shaft, repairs to connected motor complete all as specified and directed by Engr-in-Charge :- (i) Dewatering of clarifier (ii) Scrubing of wall (iii) washing of wall with clear water (iv) Lime wash in side cement surface (v) Painting of iron Parts complete (vi) Agitator repair/replacement of bearing, bush etc. (vii) Motor winding

S&F in repairs steel chain high quality load upto 5 Ton for holding pump and motor set In raw water sewage well complete all as specified and directed by Engr-in-charge.

M & L for repair of PVC pipe 25 to 60 mm including all fitting like reducer, elbow, short piece, socket, D joints etc complete all as specified and directed by Engr-in-charge.

M & L for repair of PVC pipe 75 to 110mm including all fitting like reducer, elbow, short piece, socket, D joints etc complete all as specified and directed by Engr-in-charge.

M & L for repair of HDPE pipe 160mm including all fitting like reducer, elbow, short piece, socket, D joints etc complete all as specified and directed by Engr-in-charge.

Testing of STP Raw water and clear water from authorised laboraties to test the COD, BOD, TSS and O & G complete all as specified and directed by Engr-in-charge.. Note : Test report in quadruplicate should be submitted to Engr-in-charge in each quarter of contract period

Material and labour for servicing of air compressor including draining of sump oil and recharging new oil of 20 W, 40 grade (servo oil) complete all as specified and directed by Engr-in-charge.

T&P and labour for demolation of existing valve pit chamber of any size and depth complete all as specified and directed by Engr-in-charge.. Note :- Retriaved materials i.e. brick bats, cement mortor, PCC shall be disposed off at a distance not less than 50 mtrs from the demolition site.

M & L for construction of brick masonery valve pit of size 1050x1050x900mm (internal dimensions) with brick work of sub class 'B' old size bricks built in cement morter 1:4 and 10mm thick rendering on internal and exposed external surface and including50mm thick PCC in 1:2:4 B1 on top duly fixed with 40x40x6mm mild steel angle frame 3.15mm thick mild steel sheet cover including painting steel and iron surfaces with two coats of black bituminous paint over a coat of red oxide primer complete all as specified and directed by Engr-in-charge.

Earthing complete with galvanisedsteel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel including protected by 40mm dia GI light grade protection pipe from earth plate to test point. Earth plate shall be surrounded by packed layer of char coal/coke & salt all around bottom and top with alternative layer. 20mm GI light grade pipe for watering (should be 10cm above GL) and including socket, plug, funnel, wire mesh, CI cover and frame, PCC (1:2:4) type B1 (using 20 mm graded stone aggregate) as in earthing pit including necessary form work, excavation & earth work, all as specified & shown in electrical plate No. 3 of SSR Part – I. Note:- (i) PCC chamber shall be constructed at least 1.5 metre away from the earth electrode and pipe for watering shall be provided in slanting manner. Note :- On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost

M & L Synthetic Insulating mat ISI marked of size 2m x lm x 19 mm complete all as specified and directed by Engr-in-charge.

S &F in replacement 150mm Flanged Non Return Valve PN-1.6 with all necessary arrarngement of disconnection of suction pipe lines and after replacement reconnection the same complete all as specified and directed by Engr-in-charge.

S&F in repairs Oil immersed extra heavy duty Manually operated double contact star delta motor starter suitable 40 HP motor 3 phase,415 volts, type KHD complete all as specified and directed by Engr-in-charge. Make- Bentex, KILBURN

S&F in repairs Oil immersed extra heavy duty Manually operated double contact star delta motor starter suitable 20 HP to 25 HP motor 3 phase,415 volts, type KHD complete all as specified and directed by Engr-in-charge. Make-Bentex, KILBURN

S & F in repairs Oil immersed extra heavy duty semi automatic star delta motor starter suitable for 10 HP to 12.5 HP motor,3 phase,415 volts type KS-50 (With BI-Metalic relay ) all as specified and directed by Engineer-in-Charge. Make-Bentex,KILBURN

S & F in repairs Oil immersed semi automatic heavy duty 2HP to 7.5 HP motor starter,3phaser,415 volts Type-KOI-T all as specified and directed by Engineer-in-Charge. Make:- Bentex, KILBURN

Taking down carefully defective/burnt out 3 phase,415 volt, 40 hp electric driven Motor coupled with Centrifugal pumping set from its base duly disconnect the electrical and mechanical connections and isolate the defective motor from pumping set, transport the same to civil workshop. Dismantling/opening the moter and rectifying the defective spare parts and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like Cooling fan and existing ball bearing including testing the same at workshop. Transport the same to site and reconnect all disconected connections including mounting and recoupled with respective pumps and base plate, inlcuding complete paitning with approved paint all as directed by Engr-in-Charge.

Taking down carefully defective/burnt out 3 phase,415 volt, 25 hp electric driven Motor coupled with Centrifugal pumping set from its base duly disconnect the electrical and mechanical connections and isolate the defective motor from pumping set, transport the same to civil workshop. Dismantling/opening the moter and rectifying the defective spare parts and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like Cooling fan and existing ball bearing including testing the same at workshop. Transport the same to site and reconnect all disconected connections including mounting and recoupled with respective pumps and base plate, inlcuding complete paitning with approved paint all as directed by Engr-in-Charge.

Taking down carefully defective/burnt out 3 phase , 415 volt, 12.5 HP electric driven non clog sewage submersible pump set from sewage section well, disconnecting the electrical supply and mechanical connections and transport the same to civil workshop. Dismantling /opening the motor /pump and rectifying the defective spare parts i.e. mechnical seal , bearing ,bush, impeller,impeller key, nuts , bolts, studs, washers etc including machining of impeller shaft and bearing cup if necessary and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like mechnical seal,bush and ball bearing of simmilar specification including charging of suitable grade of oil and testing the same at workshop. Transport the same to site and reconnect all disconected connections including refitting at the same location , nlcuding complete painting with approved paint all as directed by Engr-in-Charge.

Taking down carefully defective/burnt out 3 phase , 415 volt,7.5 HP electric driven non clog sewage submersible pump set from sewage section well, disconnecting the electrical supply and mechanical connections and transport the same to civil workshop. Dismantling /opening the motor /pump and rectifying the defective spare parts i.e. mechnical seal , bearing ,bush, impeller,impeller key, nuts , bolts, studs, washers etc including machining of impeller shaft and bearing cup if necessary and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like mechnical seal,bush and ball bearing of simmilar specification including charging of suitable grade of oil and testing the same at workshop. Transport the same to site and reconnect all disconected connections including refitting at the same location , nlcuding complete painting with approved paint all as directed by Engr-in-Charge.

Taking down carefully defective/burnt out 3 phase,415 volt, 05 HP electric driven Motor coupled with Centrifugal pumping set from its base duly disconnect the electrical and mechanical connections and isolate the defective motor from pumping set, transport the same to civil workshop. Dismantling/opening the moter and rectifying the defective spare parts and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like Cooling fan and existing ball bearing including testing the same at workshop. Transport the same to site and reconnect all disconected connections including mounting and recoupled with respective pumps and base plate, inlcuding complete paitning with approved paint all as directed by Engr-in-Charge.

Taking down carefully defective/burnt out 3 phase,415 volt, 0.5 HP to 02 HP electric driven Motor coupled with Centrifugal pumping set from its base duly disconnect the electrical and mechanical connections and isolate the defective motor from pumping set, transport the same to civil workshop. Dismantling/opening the moter and rectifying the defective spare parts and taking out the burnt out stator winding. Clenaing the slots and complete servicing the motor. Re-winding the stator with suitable size of super enamelled copper winding conductor including insulating materials varnishing the re-wind stator and heating same on heating chamber till to achieve the satisfactorly result. Re assembling the same after replacement relevent spares like Cooling fan and existing ball bearing including testing the same at workshop. Transport the same to site and reconnect all disconected connections including mounting and recoupled with respective pumps and base plate, inlcuding complete paitning with approved paint all as directed by Engr-in-Charge.

Taking out centrifugal pump set having discharge 50 LPS and head 61 meter coupled with electric motor of 40 HP Capacity from its foundation duly decoupling the suction and delivery lines. Transporting the pump to Civil workshop. Dismantling and strip opening the complete pump and sort out the defective spares cleaning/serviceing, metal filling in impeller shaft and replacement of defective spares like brass bush-02 Nos, Tyre coupling, rubber gasket, shaft and impeller keys , Gland cup, Foundation/ Pumps Nuts bolts & studes of existing size and other packing material, greasing, all spares, necessary lathe machinary and welding work, refixing and alignment with motor on its original location including testing all as directed by Engr-in-Charge. Note-(1) All minor repair shall be inclusive in quoted rates to make pump set in satisfactory working condition. (2) Major spare parts shall be paid seprately.

Supply only C I Impeller Suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Supply only Ball bearing suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Supply only Brass Bush of suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Supply only CI Coupling suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Supply only CI gland paking plate suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Supply only Stainless Steel Impeller shaft suitable for item No 34 complete all as specified and directed by Engr-in-charge.

Taking out centrifugal pump set having discharge 39.10 LPS and head 61 meter coupled with electric motor of 25 HP Capacity from its foundation duly decoupling the suction and delivery lines. Transporting the pump to Civil workshop. Dismantling and strip opening the complete pump and sort out the defective spares cleaning/serviceing,metal filling in impeller shaft and replacement of defective spares like brass bush-02 Nos,Tayre coupling,rubber gasket, shaft and impler keys , Gland cup ,Foundation/ Pumps Nuts bolts & studes of existing size and other packing material, greasing,all spares , necessary lathe machinary and welding work , refixing and alignment with motor on its original location including testing all as directed by Engr-in-Charge. Note-(1) All minor repair shall be inclusive in quoted rates to make pump set in satisfactory working condition.(2) Major spare parts shall be paid seprately.

Supply only C I Impeller Suitable for item No 41 complete all as specified and directed by Engr-in-charge.

Supply only Ball bearing suitable for item No 41 complete all as specified and directed by Engr-in-charge.

Supply only Brass Bush of suitable for item No 41 complete all as specified and directed by Engr-in-charge.

Supply only CI Coupling suitable for item No 41 complete all as specified and directed by Engr-in-charge.

Supply only CI gland paking plate suitable for item No 41 complete all as specified and directed by Engr-in-charge.

Supply only Stainless Steel Impeler shaft suitable for item No 41 complete all as specified and directed by Engr-in-charge.

S&F Gun-metal, globe or gate valves of size 15 mm with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed by Engr-in-charge.

,-- ditto-- all as per serial item No. 48 above but 20mm dia complete all as specified and directed by Engr-in-charge.

,-- ditto-- all as per serial item No. 48 above but 25mm dia complete all as specified and directed by Engr-in-charge.

M&L for replacement of Graphite Gland packing of 10 mm various size sluice valve complete all as specified and directed by Engr-in-charge.

M&L for replacement of Graphite Gland packing of 08 mm various size sluice valve complete all as specified and directed by Engr-in-charge.

Supply and replacement in repair Tyre coupling suitable for 20 to 25 HP complete all as specified and directed by Engr-in-charge.

Supply and replacement in repair Star coupling suitable for 40 HP complete all as specified and directed by Engr-in-charge.

Supply and laying HDPE pipe PN-10 of size 150/160 mm in trenches complete with all fittings complete all as specified and directed by Engr-in-charge. Make : Finolex, Supreme, Astral

Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

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