Renovation of One Number Filter Bed No.-11 and etc. allied work New W.T.P. at Rukka Under D.W. S. Swarnrekha Headworks Division, Ranchi.

Supplying all labours, equipments taking out the exiting sand/gravel from the filter bed and caring the same up to a distance of 5Oft . on head load and lift on 10ft loading on truck and disposing the same up to a load of 3km from plant campus as per direction of E./I.

Supplying labours tools and equipments and watering three times the new gravel with pot and cleaning and make it dust free, drying and grading in proper of by screening and stack, measuring etc, all complete.

Supplying labour tools and equipment to carry the gravel from site to inside the filter bed on head and placed them in proper position all complete job( by head load )

Supplying Dhalbhumgrah new well graded Approved and best quality of pee gravels of different sizes including loading, unloading and staking in grade wise stacks including carriage from Dhalbhumgrah to Rukka Filter Plant cleaning and washing then properly and placing them in the filter bed after screening including supplying all labours tools and carriage on head of load a distance 800ft , and lift of about 15ft ,taxes & Royalty all complete as per specification and direction of E.1.(NOTE. PEE gravels should be spherical shape hard clean & Uniform in quality and shold be classified by passing through the shelves, Size of Filter bed (a)2"x1.5"gravelsx5"deep (Stake will be measured 12")

(b) 1.5"x1"gravelsx3"deep (Stake will be measured 12'")

(c) 1"x0.5"gravelsx4'"deep (Stake will be measured 12")

(d) 0.5"x0.25"gravelsx4"deep (Stake will be measured 12"

(e) 0.25"×0.10"gravelsx4"deep (Stake will be measured 12")

Supplying Barakar Sand of size 0.45mm to 0.70mm(effective size uniformly coefficient )of best and app.Quality duly washed and placing the same in Position in the filter bed in one layer of 2'.1'" depth with a lead of 800ft, and a lift of about Rukka with all Taxes & Royalty all completes per direction of Ell. for payment bed measurement will be taken and bulk age will be decided at the site after packing 5% bags at random.

Supplying all labour and equipments and taking out the damage 90mm A.C pressure pipe from the bottom of the filter bed and stacking nearby out side as per direction of E/l(Including Dismantling of PCC)