SDP-Nilackal - ENVTL - Supply and installation of new chimney for the Incinerators at Nilackal -reg

Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed. All kinds of soil

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 coarse sand : 8 graded stone aggregate 40 nominal size)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm

Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Design, supply, fabrication and erection of self supported chimney having 600 mm Top dia, 30 mtr height in welded construction with the following specifications. Bottom Conical section 1250 x 600x 10mm x 10mtr, 1st-straight section 600 x 8mm x 10 mtr. 2nd straight section 600 x 6mm x 10 mtr. Base plate 1st 1750 x 1150 x 25m thick, chair plate 1750 x 1200 x 16mm thick, stiffener 10mm thick. The chimney shall be installed on the existing civil foundation fixed with -25mm foundation bolt. chimney section flanges strengthened with gusset support, ladder with rungs, cage vertical and horizontal, platform 180 deg using chequered plate and channel, sampling point 2 nos, air strikers in 3 run with MS flat, lightening arrestor having sufficient zone of protection, GI earthing strip, porcelain clamp, electrode plate etc. all complete with two coats of heat resistant aluminium paint after proper surface preparation. The rate is inclusive of transportation charges and leading charges from Pamba

Charges for dismantling the existing defective chimeny having a height of 30m , including charges for arranging all tools and tackles, scaffolding etc