Restoration of rain damages of LWSS Shilli Baggi in GP Baggi Tehsil Distt.Shimla

Description

Taking out horizontal layers of filtering media duly gradded, screened, washed and cleaned as specified by the engineer-in -charge.

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

Third layer :-- Bazri 6 mm to 20 mm

Forth layer :-- Bazri 20 mm to 25 mm

Bottom layer :-- Broken stone 50 mm to 75 mm

Taking Out the Precast Slab (Chakka) from filter bed size 40cm x 40 cm x 5cm

Dismentalling of x-drain in filter bed.( RCC Block )complete in all respect.

Providing and Placing in horizontal layers of filtering media duly gradded, screened, washed and cleaned as specified by the engineer-in -charge. (New Media)

Top layer --: Fine Sand ( Effective size 0.20 mm to 0.40 mm & uniformity coefficient 2.0 to 3.0 )

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

Third layer :-- Bazri 6 mm to 20 mm

Forth layer :-- Bazri 20 mm to 25 mm

Bottom layer :-- Broken stone 50 mm to 75 mm

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

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

Third layer :-- Bazri 6 mm to 20 mm

Forth layer :-- Bazri 20 mm to 25 mm

Bottom layer :-- Broken stone 50 mm to 75 mm

Providing and laying cement concrete 1:2:4 ( 1 cement :2 sand :4 gradded stone aggregate 20 mm nominal size ) & curing complete excluding cost of form work in foundation & plinth complete in all respect.

P/L cement concrete1:1.5:3 (1Cement:1.5 Sand:3graded stone aggregate 20mm nominal size) & curing complete excluding the cost of form work :-

in foundation and plinth

in wall (any thickness not less than 0.10m)

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fairfinish I/c centring , shuttering , strutting and proping etc.with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4m and removal of the same for insitu- reinforced concrete &plain concrete work in :-

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

Providing mild steel/tor steel reinforcement for RCC work including bending binding and placing in positiopn complete.

P/F GM full way valve 65 mm dia.

Providing laying and jointing in trenches galvenised mild steel tubes (light grade) i/c P/F of fittings (Earth work in trenches to be measured and paid for seperately)

Finishing wall with water proofing cement paint of approved brand and manufacture and of required shade onm undercoated wall surfaces (Two coat) to give an even shade after throughly brushing the surface to remove all dirt and remains of loose powered materials.