Restoration of rain damages to LWSS/ Galu Khurd in G.P. Nala Tehsil and Distt. Shimla. HP.(SH-Taking out and placing of filter media and Jacketing of filter med 3 Unit, Removal of slip and C/O R/Wall in dry rubble masonry to protect the intake chambe

Amount

Taking out horizontal layers of filtering mefdia duly graded, screened, washed and cleaned as specified by the Engineer-inb-charge.

I. Top layer:- Fine sand (Eff.size 0.20mm to 0.40mm and uniformity-co-efficient 2.00 to 3.00).

II. Second layer:- Coarse sand 3mm to 6mm.

III.Third layer:- Bajri 6mmto 20mm.

IV. Fourth layer:- Bajri 20mm to 25mm.

V. Bottom layer:- Broken stone 50mm to 75mm size.

Taking out the precast slab(Chakka) from filter bed size 40cmx 40cmx 5cm. complete in all respect.

Dismantling of X-drain in filterr bed (RCC blcok) complete in all respect.

Prov. and placing in horizontal layer filtering media duly graded ,screened, washed and cleaned as specified by the Engineer-in-charge.

I. Top layer:- Fine sand (Eff.size 0.20mm to 0.40mm and uniformity-co- efficient 2.00 to 3.00).

II. Second Layer:- Coarse sand 3mm to 6mm.

III.Third layer:- Bajri 6mmto 20mm.

IV. Fourth layer:- Bajri 20mm to 25mm.

V. Bottom layer:- Broken stone 50mm to 75mm size.

Placing in horizontal layers of filtering media duly graded, screened, washed and cleaned as specified by the Engineer-in-charge(Old serviceable media).

I. Top layer:- Fine sand (Eff.size 0.20mm to 0.40mm and uniformity-co-efficient 2.00 to 3.00).

II. Second layer:- Coarse sand 3mm to 6mm.

III.Third layer:- Bajri 6mmto 20mm.

IV. Fourth layer:- Bajri 20mm to 25mm.

V. Bottom layer:- Broken stone 50mm to 75mm size.

Providing and laying cement concrete work 1:2:4(1cement:2sand:4 graded stone agg. 20mm nominal size) and curing complete excluding cost of form in foundation and plinth complete in all respect i/c all leads and lifts.

Providing and laying cement concrete work 1:11/2: 3(1cement:1 1/2sand:3 graded stone agg. 20mm nominal size) and curing complete excluding cost of form work and reinforcement for reinforced concrete work within all leads and lifts complete in all respect and to the entire satisfaction of the Engineer-in-charge.

In foundation and plinth.

Walls (any thickness) but not less than 0.1 m thickness)attached pillasters, buttresses, plinth and string courses etc. from top of foundation level upto floor two level.

Providing Mild steel/Tor steel reinforced for RCC work including bending, binding and placing in position complete upto floor two level within all leads and lifts complete in all respect and to the entire satisfaction of the Engineer-in-charge. a) Tor steel.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering, strutting , strutting and propping etc. with wooden, battens, and ballies, height of propping and centring below supporting floor to ceiling not exceeding 3 mtrs.and removal of the same for insitu reinforced concrete and plain concrete work in complete in all respect in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Vertical surfaces such as circular walls (any thickness) ,partitions and the like including attached pillasters,buttresses, plinth and string courses and the like.

Removal of slips in all kinds of soil (including saturated soil but excluding boulders and rocky portion requiring blasting upto a distance of 20 metres disposing of un-serviceable materials, stacking serviceable materials and neatly dressing the surface.

Clearing jungle including uprooting of rank vegetation, grass, bush wood, trees and saplings of girth upto 30cm measured at a height of 1 metre above ground and removal of rubbish upto a distance of 20 metres outside the periphery of the area cleared upto 30 cm girth.(Back side of Mehli Store).

Cutting in earth work in all kinds of soil such as pick work, jumper work, blasting work and chiselling work etc. and disposal of excavated earth as directed within all leads and lifts.

Excavation in foundation, trenches,etc. in earth work in all kinds of soil such as pick work, jumper work,blasting work, hard blasting and chiselling etc. stacking the excavated soil not more than 3 mtrs.clear from the edge of excavation and then returning the stacked soil in 15cm.layers when required into plinths sides of foundations etc.then disposited layer by ramming and watering and then disposing of all surplus excavated earth as directed within all leads and lifts.complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Providing and laying cement concrete 1:4:8 (1cement:4sand:8graded stone agg. 40 mm nominal size)and curing complete excluding cost of form work i/c all leads and lifts and to the entire satisfaction of the Engineer-in-charge in :-a) Foundation and plinth.

Random rubble masonry/polygonal rubble masonry(uncoursed/brought to courses) with hard stone of approved quality in foundation and plinth including levelling up with cement concrete 1:6 :12 (1cement: 6sand:12graded stone agg.20mm nominal size) in retaining and breast wall.of approved quality in foundation and plinth including levelling up with cement concrete 1:6 :12 In Cement Mortar.1:6. (1cement:6sand).

Prov. and laying cement concrete 1:5:10(1cement:5sand:10 graded stone agg. 40mm nominal size) with 15% plum concrete and curing complete excluding cost of form work in retaining wall/ breast wall, the size of plums shall usually be 150mm to 300mm.as per HPPWD specifications within all leads and as per the direction of the Engineer-in-charge.

SANJEEV BAKSHI (BID ID -563731)

balwant Singh Panwar (BID ID -563718)