REPAIR MAINTENANCE OF WATER DISTRIBUTION LINES FOR ARBORICULTURE AND ALLIED WORKS OF WATER SUPPLY AT INA EZHIMALA

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed by Engr-In-Charge.

All as per item No.01 above but getting out in hard/dense soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and directed by Engr-in-Charge.

Removing excavated soil n exc 50m and depositing where directed at level n exc 1.5m above the starting point complete all as specified and directed by Engr-in-Charge.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided complete all as specified and as directed.

M&L for cement concrete in sub floors, sub-bases, floors and pavings of cement concrete complete all as specified and as directed of following types:-

a) Type D2, 1:4:8 (40mm graded agreggate) of 100 mm thickness( For Sub base).

b) Type B1 1:2:4 (20mm graded agreggate) of 50 mm thickness (For Top layer flooring)

M&L for scraping the old paint by using wire brush and emery paper and preparation of the surface for painting the following pump set's /control panel with one coat of primer and two coats of synthetic enamel paint of suitable colour all as specified and directed at site for the following items :-

(a) 15 HP Pumpset

(b) 7.5 HP booster pumpset

(b) 1 HP booster pumpset

(c) LT Panels of 2 x 1.5 x 0.15 m

M&L for repair of induction motor of 15 HP pump set, disconnection of electric cable from the terminal box of motor, decoupling the motor from the pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop. Dismantling the motor and taking out the burnt copper winding /fibre strip/insulating materials. Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials /fibre strip/varnishing and made terminal connection of fibre glass coated wire.Remetaling the shaft by lathe work and welding work for correct alignment for fixing of bearing, polishing of shaft. Assembling the motor and replacing the burnt out gland rope, studs,nuts,bolts,washers rubber gasket,metal filling, turning/ grinding and balancing the shaft etc complete all as directed by the Engr-in-charge.

M&L for repair of 7.5 HP self priming booster pump set (SP3A type-Kirloskar), disconnection of electric cable from the terminal box of motor, decoupling the motor from the pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop. Dismantling the motor and taking out the burnt copper winding /fibre strip/insulating materials. Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials /fibre strip/varnishing and made terminal connection of fibre glass coated wire.Remetalling the shaft by lathe work and welding work for correct alignment for fixing of bearing, polishing of shaft. Assembling the motor and replacing the burnt out gland rope,studs,nuts, bolts, washers rubber gasket,metal filling,turning/grinding and balancing the shaft etc and overhauling of SP3A type (Kirloskar make) suitable capacity pump complete all as directed by the Engr-in-charge.

M&L for repair of 1 HP self priming booster pump set (SP3A type-Kirloskar) , disconnection of electric cable from the terminal box of motor, decoupling the motor from the pump, remove the motor from the foundation bed and taking out the motor and transporting to authorised work shop. Dismantling the motor and taking out the burnt copper winding /fibre strip/insulating materials. Clean the stator slots by CTC solution and rewind on stator slots with super enamelled copper wire of existing gauge with insulating materials /fibre strip/varnishing and made terminal connection of fibre glass coated wire. Remetalling the shaft by lathe work and welding work for correct alignment for fixing of bearing, polishing of shaft. Assembling the motor and replacing the burnt out gland rope, studs,nuts,bolts, washers rubber gasket,metal filling,turning/ grinding and balancing the shaft etc and overhauling of SP3A type pump of suitable capacity complete all as directed by the Engr-in-charge.

M&L for disconnecting the electrical connection, lifting/reerection the submersible pump set from open well/bore well of capacity 7.5 HP capacity and dismantling the pump set and rewinding the submersible motor with copper sleeves wire of suitable gauge and proper insulation and replacement of PVC impeller for pump , connecting, testing, lowering the same, testing and commissioning complete all as specified and directed by Engineer-in-Charge.

M&L for repair/rewinding of electric motor 30 HP Make: Grundfos, Type: CR45-4 B-F-A-E-HQQE (a) Disconnecting the electrical cable from the terminal box of motor and decoupling the motor from the pump, remove the motor from foundation bed and lifting the motor using chain pulley block and transporting to authorised work shop. (b) Dismantling the motor and taking out the burnt copper winding /fibre strip/ insulating materials. (c) Clean the stator slots by CTC solution and rewind on stator slots with duel coat super enamelled copper wire of existing gauge with insulating materials/fibre strip/varnishing and made terminal connection using existing gauge fibre glass coated wire. (d) Assembling the motor as directed by the Engr-in-charge. (e) Transporting the motor to the site, refixing on foundation channel with new bolts and nut washer and spring washer, coupling the pump and motor with correct alignment, apply grease and connecting electrical connections in motor terminal box testing complete all as directed and specified by the Engr-in-charge.

Repair/maintenance of chemical dosing system plunger type 25 LPH for treated water line by rewinding of 0.5 HP 3 phase induction motor, replacement of unserviceable plunger system, chemical grade PVC NRV,control panel for dosing pump made of powder coated MS fabricated box consisting of LED indicator, digital volt meter, Amp meter, single phase preventor, High voltage low voltage protection with necessary wiring up to 30 mtr length including painting of 150 ltrs FRP tank including all piping arrangement for FRP tank inlet of approx distance of 30mtrs and outlet to be connected with existing MS pipes by necessary drilling complete all as specified and directed. Note:- The quoted rate is deemed to be inclusive of maintenance of dosing system for entire contract period.

M&L for servicing of 30 HP grundfoss vertical mounted pumpsets of CR45-4 B-F-A-E-HQQE type by authorised dealer for checking serviceability, observing noise, electrical connections, tightning of nuts and bolts, removal of scaling on shaft, base by sand paper, replacement of worn out gland ropes of suitable gauge, checking health of winding and pump, replacement of fan covers etc including greasing as required complete all as specified and as directed.

S&F in repair unserviceable multi pump controller of CU 352 type suitable to control/monitor existing grundfoss CR45-4 B-F-A-E-HQQE pumpsets of capacity 30 HP including programming as required complete all as directed. Make:- Grundfoss (Type : CU 352) or equivalent in L&T/Siemens/ Schneider.

S&F in repair MCCB,415V,100 A,4pole,25 KA Type DY125U fixed thermal and magnetic setting complete all as specified and directed.

S&F in repair MCB,415V,40-63A,TP,25 kA complete all as specified and directed.

S&F in repair MCB, 415V, 6-32 A, 2 pole, 25kA complete all as specified and directed.

Repair/maintenance and servicing of multi pump controller panel used to control 3 Nos vertical mounted hydraulic pumps in three section for each motor by replacing unserviceable relays, contactors, I/O modules complete all as specified and directed by Engr-In-Charge. Note:- The quoted rate is deemed to be include replacement of unserviceable relays, contactors for the entire contract period. The contractor may visit the site before quoting.

S&F in replacement of old u/s flat submersible 3 core copper conductor PVC insulated and PVC sheathed cable of size 6 Sqmm including taking down old unserviceable material complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old u/s flat submersible 3 core copper conductor PVC insulated and PVC sheathed cable of size 16 Sqmm including taking down old unserviceable material complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old u/s FASD (Fully automatic star delta starter), in sheet enclosure type MK1, 415 Volts relay range 13-22 Amps complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old u/s DOL starter (Direct on line) 3 phase 415 Volts 50 Hz relay range 13-22 Amps TYPE: MK1 including taking down old material complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old u/s submersible pump controller in sheet enclosure type MU-G motor rating AC-3 duty ,415 volt 50 Hz, 3 phase relay range 13-22 Amps for submersible motor complete all as specified and directed by Engineer-in-Charge. Make:- L&T (MUG10 DOL) or equivalent in Havells/C&S.

Supply & lay CPVC pipe 40mm (SDR-11) with necessary fittings to fix on butterfly valves/electric motor all as per required on site including taking down old unserviceable/rusted/leaked GI pipe complete all as specified and directed by Engr-in-Charge.

Supply & fix in replacement of old unserviceable UPVC pipes, Unplasticiscd PVC pipes of pressure rating 10 kg/cm2 laid in trenches complete all as specified and directed by Engr-in-Charge for the following:-

(a) 50mm dia

(b) 90 mm dia

(c) 110 mm dia

Supply & fix in replacement of old unserviceable high density polyethylene pipes (HDPE) of pressure rating 6 kg/cm2 laid in trenches complete all as specified and directed by Engr-in-Charge for following sizes:-

(a) 90 mm dia

(b) 110 mm dia

S&F in repairs Non return valve of 80 mm with suitable flanges to be fit on CPVC pipe of suitable size complete all as specified and directed by Engr-in-Charge.

S&F in repairs Non return valve of 100 mm with suitable flanges to be fit on UPVC pipe of suitable size complete all as specified and directed by Engr-in-Charge.

S&F in repairs UPVC ball valve 100mm suitable to fit on 110 mm UPVC pipes complete all as specified and as directed.

S&F in repairs UPVC ball valve 80mm suitable to fit on 90mm UPVC pipes complete all as specified and as directed.

S&F in repairs UPVC ball valve 50mm suitable to fit on PVC pipes complete all as specified and as directed.

S&F in repairs PVC ball valve 25mm suitable to fit on PVC pipes complete all as specified and as directed.

Supply and fix in repair in replacement of Centric Butterfly valves wafer type PN1.6 as per BS-5155 &IS-13095 lever operated body grey cast iron disc -SGI epoxy coated Disc seal-Nitrile/Epdm in gear operated of size 80 mm bore, with all fittings suitable to fit on CPVC pipe of suitable size confirming to IS specification complete all as specified and as directed.

S&F in replacement of old u/s electronic type single phase preventer 415 V ,50 Hz including taking down old material complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old u/s LED indication lamp of panel mounting type including taking down old material complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of old U/s digital 3 phase multifunction meter (accuracy class 1) to indicate V,I,PF,Energy etc in existing LT panels complete all as specified and directed by Engr-in-Charge.

Supply and fix in repairs PVC medium duty suction hose pipe in any length laid in trenches including all fittings and connectors complete all as specified and directed by Engr-in-Charge of following sizes:-

(a) 25mm dia

(b) 50mm dia

(c) 75mm dia

M&L for cleaning of vegetation (grass/branches) around the treated water plants/ sumps or wherever specified with in the academy complete all as specified and directed by Engr-In-Charge.

M&L for cleaning of valve chambers of size up to 0.9x0.9x0.9m by removing of accumulated dirts/mud, vegetation up to 1 mtr around chamber, cleaning of pipes/ valves externally and checking serviceablity of valves including white wash internally and external including painting of frame, cover etc complete all as specified and directed.

Supply and fix in repair sluice valve, non rising spindle flanged end of class PN 1.6 with stainless steel spindle with all accessories suitable for size 80mm bore, confirming to IS specification including taking out the unserviceable complete all as specified and as directed.

S&F CI specials Bends/Tapers/Tee pieces (single & double branch) upto 150mm bore any type and angle/radius and straight connecting pieces but all ends flanged complete all as specified and as directed.

M&L for repair to valve chamber by means of taking down existing plaster (internal and external) completely and replaster in CM 1:4, 15mm thick , 3 coats of white wash , welding of MS hinges and including one coat of synthetic enamel painting on MS sheet after preparation of the surface for the following size:-

(a) 90x90x 90 cm (inside dimension)

(b) 45x45x 60 cm (inside diamension)

AJIMON CK (BID ID -3113061)

SANDR (BID ID -3102688)

PADMANABHAN. K.V (BID ID -3104611)

KDR CONSTRUCTION (BID ID -3104538)

RS ENTERPRISES (BID ID -3102737)