Running and mtc. of UWS scheme under Melaghar/SH 1 No. Clariflocculator Rail bridge at 1.05 MGD Water Treatment Plant at Melaghar in/c providing and fitting, with base after dismantling

Labour charge for dismantle of existing damage wheel pinion, gear box, crown wheel motor etc. as per direction of the Engineer -in-Charge.

Suppltying and fitting, fixing of 3 inch dia and 70:1 ration reduction gear box with bronze made pinion and SS shaft complete in all respect of a reputed firms for two nos. clariflocculator as per direction of the Engineer-in-Chare.

Supplying and fitting , fixing of 2 inch dia M.S. make gear whel and 3 inch dia pinion for operation of main gear of a reputed firm as per direction of the Engineer-in-Charge.

Supplying and fitting, fixing of 1 inch dia chain of 10ft long each for main gear wheel of Rail bridge of a reputed firm as per direction of the Engineer-in-Charge.

Supplying and fitting, fixing of C.I. crown wheel set for Clariflocculators rail pedals of a reputed firms as per direction of the Engineer-in-Charge

Supplying and fitting, fixing of 12inch and 3 inch pulley for V-belt drive of both the clariflocculators pedals gear with V-Belt of a reputed firms as per direction of the Engineer-in-Charge.

Supplying and fitting, fixing of Seimens/ kirloskar make 1.00 HP/1440rpm motor suitable for 3 inch dia reduction gear box as per direction of the Engineer-in-Charge

Providing structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required.

Welding by gas or electric plant including transportion of plant at site etc. complete as per standard design.

Finishing walls with water proofing cement paint of required shade of approved brand and manufacture on old work ( one or more coats ) including preparation of surface as required complete as per direction of the Engineer in charge.

Supplying of gear oil grade 320 for newly installed different gear box at plant in different component (clearflocculator tank, flash mixture tank, alum mixture tank etc.) as per direction of the Engineer-in-Charge

Providing and fitting, fixing full threaded Nut and Bolts (GR-10.9 ) in assorted size as per direction of the Engg-in-Charge.

Providing and fitting, fixing S.S Nut-Bolts coupling as per direction of the Engg-in-Charge.

Labour Chage for unloading of sand & different dia geravels fron filter bed at 1.00 MGD water Treatment plant at Melaghar & dewatering the stagnant of water & relaying same at filter bed in/c cleaning & washing the bed by the bleaching powder etc. complete as per directon of the Engg,- in- Charge (Bleaching powder will be deptt. At free of cost).

Providing and fitting, fixing 25 MM nominal bore brass full way valve of approved quality as per direction of the Engg-in-Charge.

Providing and fitting, fixing 15 MM nominal bore brass full way valve of approved quality as per direction of the Engg-in-Charge.

Making and supplying of MS spindle with MS socket for C.I sluice valve of different sizes as per departmental sample.

a) Size 8'' ( 200 mm ) dia

b) Size 6'' ( 150 mm ) dia

Making and supplying of MS spindle with MS socket for C.I sluice valve of 10'' (250 mm ) dia sizes as per departmental sample.

Labour charge for clening & washing sludge & other foreign materials from the underground reservoir tank in/c cleaning the wall etc. complete as per direction of the Engg-in-Charge.

Dismantling of motor, gear box water pipe line & stirrer rod with fan etc. complete in all respect of T/P alum dosing/lime dosng/bleaching dosing arrangements.

Reparing of worm out 2 ( Two ) nos rail wheel by MS welding for re-assembling, turning & finishing etc. complete as per direction of the Engg-in-charge.

Providing and fitting, fixing rubber bush of Love and joy coupling L-225 as per direction of the Engg-in-Charge.

Providing and fitting, fixing 10 mm size Asbestos rope as per direction of the Engg-in-Charge.

Providing and placing rapid gravity filter sand having effective size of 0.50 mm to 1.00 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from Barakar river West Bengal as per specification and the direction of the Engineer - in - charge.

Providing and placing filter gravel having effective size of 3.00 mm to 25 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from Barakar river, West Bengal as per specification and the direction of the Engineer - in-charge.

Providing and fitting fixing of pressure meter ( 0.0 - 14.0 Kg/ sqcm.) as per specification and as per specification and the direction of the Engineer - in-charge.

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc. complete as per specification and direction of the Engineer-in- charge

i) 32 amps.

ii) 63 Amps

iii) 100 amps.

iv) 200 amps.

Providing & fitting , fixing of fully Automatic star Delta type Motor Starter (3ph. 50Hz 415v, in steel sheet enclosures with contractors and Timer etc. complete suitable for submersible pump L & T, BCH, ABB make as per specification and direction of the Engineer in charge.

i) 25 HP/18.5 kw Relay range within 13-21 + 10

ii) 35 HP/26 kw Relay range within 20-32 + 10%

iii) 50 HP/37 kw Relay range within 28-42 + 10%

iv) 75 HP/ 55 kw Relay range within 45-75 + 10%

Providing and fitting fixing with PVC insulated single core multistrand Copper cable conforming to IS : 694 for inter connection with all electrical equipments of the pannel board as per specification and direction of the Engineer-in-charge

i. 25 sqmm

ii. 35 sqmm

iii. 50 sqmm

iv. 70 sqmm

Providing and fitting fixing with PVC insulated 3 core flat Copper cable conforming to relevant IS code for submerssible motor with all necessary equipments and fittings as required as per specification and direction of the Engineer-in-charge

i. 2.50 sqmm

ii. 4.0 sqmm

iii. 6.0 sqmm

iv. 10.0 sqmm

Providing and fixing CIDF Butterfly valve with bolts, nuts, rubber insertions etc. complete as per CPWD specification and direction of the Engineer - in - charge. ( The tail pieces, tappers etc if required will be paid separately )

300 mm dia

250 mm dia

Providing and fixing C.I. non-return valve of approved quality as per CPWD specification and direction of the Engineer - in - charge

iii. 80 mm nominal bor

iv. 100 mm nominal bore

v. 125 mm nominal bore

vi. 150 mm nominal bore

vii. 200 mm nominal bore

viii. 250 mm nominal bor

ix. 300 mm nominal bore

Providing and fixing C.I. sluice valves ( with cap ) complete with bolts, nuts, rubber insertions etc. ( the tail pieces if required will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge.

i. 200 mm dia. A. PN - 1.6

ii. 250 mm dia. A. PN - 1.6

iii. 300 mm dia. A. PN - 1.6

Providing and laying S & S C.I. standard specials such as tees, bends, collars, tapers, caps etc. ( Heavy class ) as per CPWD specification and direction of the Engineer - in - charge.

i. Upto 300 mm dia.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, & with cleats with bolts & nuts, rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:- (a) Using M.S. angels 40x40x6 mm for diagonal braces.

Supplying and fixing rolling shutters of approved make, made of required size M.S. laths interlocked together through their entire length and jointed together at the end by end locks mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete including the cost of providing and fixing necessary 275mm long wire springs grade No.2 and M.S. top cover of required thickness for rolling shutters & with handles, hold fast including embedding in cement concrete of required grade required for fixing in position, all necessary fittings, including applying of approved steel primer etc. complete as required:- (i) 80xl.25mm M.S. laths with 1.25 mm thick top cover.

Finishing with Epoxy paint ( two or more coats) of approved brand and manufacture at all locations prepared and applied as per manufacturer's specification including appropriate priming coat, preparation of surface etc. complete [Payment shall be made after submission of Test Certificate issued by the Manufacturer]. 1) On steel work

Steel work welded in built up section/framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using steel etc. complete as required:- i) In stringers, treads, landing etc. of stair cases including use of chequered plate wherever required, all complete.

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