Water Resources Department Tender

Providing and placing in position M-20 RCC work with graded metal of maximum size of 20 mm excluding cost of reinforcement but including erection, form work and removal of form work, laying, mechanical mixing, mechanical vibration, proper curing for 28 days and finishing, etc. complete with all leads, lifts and cost of all materials as per drawing, specification and as directed by Engineer-in-Charge.

Filling foundations and around masonry works with materials obtained from spoils, including watering and ramming with all leads, all lifts and cost of all materials as per drawing, specification and as directed by Engineer-in-Charge.

Providing and fixing 100 mm dia A.C. pipe with grating for weep holes in abutments, wing walls and return walls etc. complete including all leads, all lifts and cost of all materials as per drawing, specification and as directed by Engineer-in-Charge.

Fabrication, Erection & supply of water tight structural steel sliding type low head sluice with gate leaf and frame as per IS: 5620 complete with brass/ stainless steel lining of appropriate size for seal seats and sill and seals of rubber/ metal guides, hoisting rod, screw hoist including Painting of gates including painting of spillway gates, sluice gates, canal gates (both vertical or radial) stop logs, exposed embedded parts and all unmachined ferrous surfaces (hoist cylinder, cylinder heads, hydraulic piping, pipe fittings, bonnet covers), exposed to water, as per IS 14177-94, for which surface preparation by blast cleaning of Class “B”, primer coat (one coat) of inorganic Zinc silicate (preferable airless spray) or alternatively, two coats of zinc rich primer (containing not less than 85% zinc on dry film), to give dry film thickness of 70 + 5 microns and finish coat (two coats) of solvent less coal tar epoxy paint, using airless spray, to provide dry film thickness of 150 + 5 microns per coat. Thus, total dry film thickness of all the coats, including primer coating, should not be less than 350 microns. This will include expenses on mobilisation & demobilisation of equipments. sqm For maintenance painting, the surface preparation shall be done by appropriate hand and power tool cleaning. Prior to hand and power tool cleaning, any heavy layer of rust should be removed by chipping. Visible oil, grease, dirt and other foreign material be cleaned using solvents like clean mineral spirits xylol or white gasoline. After hand and power tool cleaning, the surface should be cleaned of loose dust and debris and / or blast cleaned as laid down in Para 7.0 of IS Code 14177-1994. After the surface preparation, the primer and finishing coats shall be carried out as provided above for painting. etc. complete with all lead, lifts and cost of all materials as per drawing, specification and as directed by Engineer-in-Charge.