Repair, cleaning and desilting of open drains at institute premises, CSIR - CECRI, Karaikudi

Amount

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

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Cleaning and desilting of storm water drain , including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) :

Flush/ Ruled pointing

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:4:8 (1 Cement : 4 manufactured sand derived from Recycled concrete aggregate (RCA) : 8 graded stone aggregate 40 mm nominal size Recycled aggregate (RA)

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Laying of MS weld mesh grill on cement concrete flooring with proper cutting and placing in position . The rate inclusive of all lifts and leads (500m approx.,) as directed by the Engineer-in-charge.

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1km (by mechanical means).

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. (Payment for Stone to be made separately).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:6 (1 cement : 6 coarse sand)

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.

All kinds of soil

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Cutting road and making good the same including supply of extra quantities of materials i.e. aggregate, moorum screening, red bajri and labour required.

bituminous portion

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete :

150 mm dia. R.C.C. pipe

12 mm cement plaster of mix :

1:6 (1 cement: 6 coarse sand)

Dismantling of cement concrete platform along with base concrete etc. including stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead as directed by the Engineer-in-charge.

Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost).

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality

Rectangular shape 600x450 mm internal dimensions

Providing and fixing SS (304) grills made of Hollow tubes, channels, plates etc., of required pattern in fixed to openings etc. including welding, grinding, buffing , polishing and fitting the same with necessary stainless steel nuts and bolts complete

Providng and fixing precast reinforced cement concrete rings with 25mm thick of size 600mm dia & height 300mm by using 6mm mild steel reinforcement 100mm c/c in both direction. The rate inclusive of all lifts and leads as directed by the Engineer-in-charge.

Supplying and fixing C.I. cover 300x300 mm without frame for gully trap (standard pattern) the weight of cover to be not less than 4.5 kg

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in :

cement mortar 1:4 (1 cement : 4 coarse sand)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

M ALAGESAN