MISC REPAIR AND MAINT OF WATER SUPPLY INSTALLATIONS INCLUDING CLEARING OF UNDERGROWTH AT PUMP HOUSES, CLEARING OF VALVE-PIT CHAMBERS,REPAIRS OF VALVE PIT CHAMBERS, REPLACEMENT OF DAMAGED BOARDS INCL REPLACEMENT OF OLD RUSTED PIPE LINES AND ALLIED I

Amount

Excavation in trenches in any type of soil n.exc. 1.5M wide & n exc 1.5M deep for laying of GI/CI pipe line & getting out including forming bottom surface all as specified and directed.

Returning, filling in, trenches including spreading, levelling, watering and well ramming in layer n.exc. 250 mm in thickness with soil after the pipe laid & tested complete all as specified and directed.

Removing excavated surplus soil to a distance n.exc. 50mtr and depositing where directed at a level n.exc. 1.5 m above the starting point all as specified and directed

M&L getting out clearly all grass vegetation, saplings, shurbs, brushwwod, undergrowth, roots, and trees not exceeding 30 cm girth and removing rubbish outside the periphery of the PH area under clearance including surface dressing all as directed by Engr-in-charge.

M& L the pruning and branch cutting of all trees (any height) located inside pump house area in each pump house complete all as specified and directed by Engr-in-charge

M&L Cement concrete type B-2 1:2:4 (40mm graded crushed stone aggregate) complete all specified and directed.

Disconnecting and taking up old existing CI pipe 200 mm dia and connection of any description / grade and in any position of trenches / under floors/ on walls etc including connected fitting/ accessories and fixtures such as bend, Union, elbow socket etc. all as directed and specified.

All as per serial item No7 above but of CI pipe 250 mm dia

M&L 200mm nominal bore ductile iron pipes with spigot and socketed ends , centrifugally cast(spun) , class K9, in any length , exteranlly coated with metalic Zinc Coating finished with bituminous paint and internally cement mortar lining laid in trenches/ fixed to walls or under floors etc. and testing complete all as specified including fittings (D joints,Flange etc. Note :- Excavation, earthwork and FI clamps shall be measured and paid separately)

M&L 250mm nominal bore ductile iron pipes with spigot and socketed ends , centrifugally cast(spun) , class K9, in any length , exteranlly coated with metalic Zinc Coating finished with bituminous paint and internally cement mortar lining laid in trenches/ fixed to walls or under floors etc. and testing complete all as specified including fittings (D joints,Flange etc. Note :- Excavation, earthwork and FI clamps shall be measured and paid separately)

S&F in repair new pump house boards of size 3750mm x 900mm x 300mm made of GI sheet with acrylic sheet place/fitted on front inprinted with pump house no and logo as directed by Engr- in-charge with proper iron angle/frame mounted on the roof of the pump house with LED light fittings ( 20 watt) inside the board to illuminate the imprint on acrylic sheet alongwith necessary wiring and connection complete all as directed. Note :- Rates of wire/cable used will be measured and paid separately whereas rates of all other items required for the job is deemed to be included in the quoted rates.

M&L copper flexible cable 4 sqmm ,4 core ,1100 volts grade for connection of PH boards complete including necessory conduit/cover etc all as specified & directed by Engr in Charge

Suply & laying (in replacement)) of damaged and worn out insulating rubber mat conforming IS 15652:2006 with new of dimension 200cmx 100 cm with 10mm thickness all as specified and directed

Supply in replacement only chlorine dioxide testing kit for potable water with necessary indicator solution, test tubes, color indicator, etc all as specified and approved by Engr-in-Charge. (Each kit should provide minimum 100 sample tests)

Cleaning of valve pit chambers inside Pump Houses including removal of mud,dust,debris,stagnant water all as directed by Engr-in-charge.

M&L painting of motor body of any size and capacity using synthetic enamel paint with one coat as directed by Engr-in-charge including preparation of old surfaces all as directed.

M&L painting iron surfaces of pipes connected to motor running toward OHT of size 6 "/8" dia up to 25 RM from pump using synthetic enamel black paint with one coat including preparation of old surface before application of paint all as directed by Engr-in-charge.

Testing of water sample. Chemical, biological and physical jncluding hardness,turbidity,e-coli,coliform all as directed by Engr-in-charge from a NABL accredited lab. Note :- Contactor shall arrange for collection of sample as and when directed from pump houses/any other source in a clean glass container properly sealed and send the same to the lab with-in 04 Hrs of collection.

S&F ( in repair) bulletin boards of size 4feet x 3feet with alluminium frame / body suitable for pinning notice/charts/instructions all as per sample approved by Engr-in-charge.

S&F in replacement of suction sweeper of capacity 3 HP for cleaning of swimming pool mounted on movable trolley with wheels, brush head, brush and hose pipe of suitable size upto 30 mtr length complete all as directed by Engr-in-charge.

M&L for repair work of riser/delivery lines of any size coming down/going up at OHT at any height including preparation of staging and necessary tools required. Repair work includes replacement of 'D-Joint' , packing in flange or socket using required fitting all as specified and directed by Engr-in-Charge. Note: Rate of fittings required is deemed to be included in the job.

VIRAT CONSTRUCTIONS