Installation of new drinking water RO Plants at JNRM College and Newly Constructed JNRM Boys Hostel at South Point. Sub work - Installation of new drinking water RO Plants at JNRM College Campus, Sri Vijaya Puram.

All kinds of soil.

1:4:8 (1 Cement : 4 coarse sand (zone-Ill) derived from natural sources: 8 graded stone aggregate 40 mm nominal size derived from natural sources)

1:1.5:3(1 cement: 1.5 coarse sand (zone-Ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15 degree landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lif.

Making plinth protection 50 mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-Ill) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75 mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Foundations, footings, bases of columns, etc. for mass concrete

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

Suspended floors, roofs, landings, balconies and access platform

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

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.

Ridges plain (500- 600mm)

Gutter (600 mm over all girth)

75 mm diameter

110 mm diameter

Bend 87.5° 14.1.1) 110 mm bend

Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3(1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in colours White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement: 4 Coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete.

15 mm nominal dia Pipes

20 mm nominal dia Pipes

25 mm nominal dia Pipes

20 mm nominal bore

25 mm nominal bore

15 mm nominal bore, 165 mm long, weighing not less than 110 gms

One or more coats on old work

1:4(1 cement: 4 fine sand)

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Using M.S. angels 40x40x6 mm for diagonal braces

Providing and fixing pre-painted galvalume (PPGL) steel profile sheets AZ-150 of brand Tata Bluescope steel, Everest Industries Ltd., JSW Steel Ltd., Jindal India Ltd. or equalavent (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with aluminium zinc coating 150 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping aluminium screws (Xylan) of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Electric resistance or induction butt welded tubes

Providing and fixing G.I bolts including nuts and washer plates complete.

Supply and installation of RO Plant (RO membrane based) capacity 1000 litres per hours fixing with all accesseries (Raw water pump 1 HP, multi grade sand and activated carbon filter, piping, micron filter, high pressure pump, RO membrane module, RO pressure vessel, control panel with all required fitings, flowmeter, pressure guages etc) as per direction of Engineer-In-Charge.

Providing and laying hollow cement concrete block walling upto floor five level 150mm thick consisting of hollow block of size 400x150x200mm of mix 1:3:6(1 :cement 3 :coarse sand 6 :graded stone aggregate 10mm nominal and down size) having a crushing strength of 3.5N/sqmm at 28 days as per IS:2185 (part-I) 1979 laid in cement mortar 1:6(1 :cement 6 :coarse sand) upto floor five level.