Annual Mtc. of existing water supply schemes under Khamting Bari VC under DWS SD Mandwi./SH Cleaning of jungle, Filter Bed, clear water reservoir, Mntc of Pipeline, lowering, lifting and, supplying of alum and chlorine dioxide and other allied works

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared

Providing &b fitting fixing of G.I. flange (10mm wall thickness) by welding with G.I./MS pipe and placing position as per specification and direction of Engineer-in-Charge.

i) 150 mm dia

ii) 65 mm dia

iii) 50 mm dia

Pumping out of water by Diesel engine pump as per specification and direction of Engineer-in-Charge.

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

Providing and fixing G.I. pipes medium class as per IS: 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc. complete as per CPWD specification and direction of the Eng-In-Charge. A. External Work

i) 15mm dia N.B

ii) 40 mm dia N.B

iii) 65 mm dia N.B

iv) 150 mm dia N.B

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) 65 mm dia./ PN - 1.0

ii) 150 mm dia./ PN - 1.6

Repair and maintenance of 30 HP Motor suitable for 15000 GPH capacity submerssible pumpset by complete dismantling in/c providing & fitting fixing of PVC (IS: 8783-1978) insulated electro grade copper (IS 613-1984) conductor winding in stator & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-charge

Providing and fitting fixing of Fully Automatic Star Delta type Motor starter ( 3 ph. 50 Hz, 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) 50 HP/37 kw Relay range within 28-42 + 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) 16 sqmm

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

i) 10.0 sqmm

Repair and maintenance of 15000/20000 GPH capacity submerssible pump by complete dismantling including providing and fitting fixing of all necessary spare parts (confirming to IS:8034) and reassembling the same including machining and servicing and necessary trial run as per specification and direction of Engineer in charge.

i) Bronze/SS Impeller

ii) Bronze grade LTB 2/12% cutless rubber bush

iii) stainless steel pump shaft

iv) SS Impeller lock

v) SS half coupling

vi) Stud bolt & nut

vii) Dismantling, repairing,reassembling, servicing

Charges for repairing of leakage in UPVC / HDPE pipe line with PVC coupler & solvent cement etc. including necessary earth excavation, backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. complete as per specification & direction of the Engineer-in-charge.

i) 140 mm OD

ii) 110 mm OD

iii) 90 mm OD

Providing, fixing and laying rigid UPVC pipes conforming to IS:4985 jointing with couplers, of same class conforming to IS : 10124 (Pt-II) with solvent cement conforming to IS:14182 including testing of joints complete (but excluding the cost of specials like bend, tees etc. which will be paid separately) as per CPWD specification and direction of the Engineer - in - charge. A. Class - 3 ( working pressure 6.0 kg / cm2)

i) 40 mm OD

ii) 50 mm OD

iii) 90 mm OD

iv) 110 mm OD

v) 140 mm OD

Providing and fixing brass ferrule with C.I. cover conforming to IS : 2692 including boring and tapping the main as per CPWD specification and direction of the Engineer - in - charge.

i) 10 mm N.B

Providing and fixing G.I. Nipple of medium class as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia 150 mm long

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will be paid separately).

i) 15 mm dia

Providing, fixing and laying fabricated UPVC socket / coupler conforming to IS : 10124 ( Part 2 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in -charge.

i) 90 mm dia

ii) 110 mm dia

iii) 140 mm dia

Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

Providing and fixing G.I. socket as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

Providing and fixing G.I. union as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

Providing and fitting fixing PVC / plastic bib cock conforming to IS : 9763 in hydrant points at different location as per specification & direction of the Engineer-in-charge.

i) 15 mm dia PVC /plastic bib cock

Providing and fitting fixing of spandal for sluice valve of approved quality as per direction of Engineer in charge.

i) 100 mm dia

ii) 150 mm dia

Wall colouring, Lettering, Picture and Drawing Etc.

Cleaning and washing of clear water Reservoir of 0.55 MGD capacity ranir bazar SWTP by manual means ,including cleaning of scraping and other sludge from the clear water Reservoir as per direction of the Engineer-in-Charge.

Cleaning and washing of clear water Reservoir of 0.55 MGD capacity ranir bazar SWTP by manual means ,including cleaning of scraping and other sludge from the clear water Reservoir as per direction of the Engineer-in-Charge.

Labour Charge for fitting, fixing and lowering of 20000 / 15000 / 10000 / 7500 / 5000 / 2500 GPH capacity water vertical submerssible pump with motor sets including column pipes assembly by heavy duty chain pully block as per direction of the Engineer-in-charge.

Labour Charge for lifting of 20000 / 15000 / 10000 / 7500 / 5000 / 2500 GPH capacity water vertical submerssible pump with motor sets including column pipes assembly by heavy duty chain pully block as per direction of the Engineer-in-charge.

Supply of ISI marked Allumine Ferric (Grade strictly confirming to the requirements given in Table-1( Clauses 42, 83,8-231 & B-2.5.2) of ISI Fifth Revision with latest ammendment) in the form of slabs including loading, carnage at 3.0 MGD Surface water treatment Ptant at Collegetilla as per stipulated schedule of supply.

Dosing of Chlorine Dioxide solution by formation of of SCS 10K 1% chlorine dioxide in powder form) directly to the under Ground reservoit for disinfection of drinking water complete as 0.15 mgd capacity SWTP (Ground water base)