PROVN OF DRAINAGE AND WATER SUPPLY AT NFS NODE BANGALORE LOCATED ALONGSIDE SIGNAL CENTRE COMPLEX CUBBON ROAD AT BANGALORE AND OTHER SANCTIONED WORKS UNDER GE SOUTH BANGALORE

Amount

M&L for excavating in trenches, n. exc. 1.5 m wide and n. exc. 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc. 10 sq m on plan and n. exc. 1.5 m in depth and getting out in soft/loose soil complete all as specified and as diected.

M&L for PCC 1:3:6 type C-2 using 40mm graded stone aggregate as in surface channels and and foundation of drains complete all as specified and as diected.

M&L for pre-cast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in block masonry with solid blocks, exc. 10 cm in width and setting in cement mortar 1:4, complete all as specified and as directed.

M&L for PCC 1:2:4 type B1 using 20mm graged stone aggregate as in coping including necessary formork etc.complete all as specified and as directed.

M&L rendering 15mm thick on other than fair faces of brick work or concrete surfaces using cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and as directed.

M&L extra for forming fair finished drain or chennel 45 cm inner girth in cement concrete, using extra cement, incl forms, moulds, mitred/stopped ends etc. complete all as specified and as directed.

Returning filling including spreading levelling watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed.

Removing excavated material, exc. 200 M and n. exc. 500M and depositing where directed at a level n. exc. 1.5M above the starting point complete all as specified and as directed.

M&L for providing precast cement concrete 1:2:4 type B-1 using 20 mm graded crushed stone aggregate as in landings, cover slabs for manholes etc. chullah hoods, chajjas, water troughs setting with cement mortar 1:4, complete all as specified and directed.

S&F mild steel TMT bars 6mm to 8mm dia and over, cut to length, bent to shape required, incl cranking, bending spirally for hooping for columns, hooking ends and binding with and incl. mild steel wire (anealed) not less than 0.9 mm dia or securing with clips complete all as specified and as directed.

M&L 25 mm bore medium grade galvanised GI tubing with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and as directed.

M&L for cutting existing steel tubing 25-32 mm bore for alterations or additions (each cut measured) complete all as specified and as directed.

S&F 1000 Ltr rotational moulded poly-ethylene water tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR part-I complete all as specified and as directed.

S&F 20 mm bore gun-,metal, globe or gate valves, with irion wheel head, screwed for iron pipe or brass ferrule and fixed complete all as specified and as directed.

S&F 25 mm bore ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe of brass ferrule and fixed complete all as specified and as directed.

S&F 75 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and as directed.

S&F 75 mm bore PVC (SWR) bends andy radius complete all as specified and as directed.

M&L for cleaning the plastered/concrete surfaces with wire brushes and applying water proofing treatment as under: (a) Apply bitumen primer at the rate of 0.27 litre per Sqm as per IS 3384-1986 and bonding bitumen of VG-10 @1.20 Kg per Sqm. (b) APP modified water proofing memebrane as per IS 16540/16532-2017 mineral finish , 3mm thick and weighing not less than 3.80 kg per Sqm reinforced polyster/HMHDPE matt black finish over compatible primer/bonding bitumen and finish the top surface with bituminus aluminium paint @0.10 Ltr per Sqm complete all as specified and as directed.

M&L for plain cement concrete 1:5:10 type E-2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

M&L for precast cement concrete 1:3:6 type C-1 using 20 mm graded stone aggregate as in block masonry with solid blocks, exc 10 cm in width and setting in cement mortar 1:6 complete all as specified and as directed.

M&L rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 incl. finished even and smooth (without using extra cement) complete all as specified and as directed.

Removing excavated material, exc. 1.5 KM and n. exc. 5 KM and depositing where directed at a level n. exc 1.5M above the starting point out side from Defence land complete all as specified and as directed.

Surface excavation n.exc. 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil complete all as specified and as directed.

Removing excavated material n. exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and as directed.

M&L hardcore broken stone boulders of gauge n. exc. 63 mm, deposited, spread and levelled in layers n. exc. 15 cm thick, watered & rammed to a true surface complete all as specified and as directed.

M&L for 100 mm thick plain cement concrete 1:4:8 type D-2 as in sub base of floors complete all as specified and as directed.

S&F machine pressed rubberized moulded precast cement concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 grade with grey cement and no pigment laid over and including 50 mm thick consolidated sand cushioning complete all as specified and as directed. Note : The gap between kerb stone & paver block to be filled by cement mortar and finish to match the shade of interlocking paver block as directed.

M&L for precast cement concrete 1:3:6, type C1, using 20mm graded stone aggregate as in kerb stone with plain faces including chamfers, weatherings, throating or rounded on one side etc and sttting & pointed in cement mortar 1:6 and including two coats of synthetic enamel paint over one coat of cement primer complete all as specified and as directed.

S&F framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 complete all as specified and as directed.

M&L for preparation of new or previously untreated steel and iron surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide complete all as specified and as directed.

M&L for plain cement concrete 1:4:8 type D2 using 40 mm graded crushed stone aggregate in foundations, filling and mass concrete complete all as specified and as directed.

S&F powder coated (minimum thickness of powder coating 50 micron) anodised aluminium frame for doors, windows vetilators with one of more rebates incl joining cleat for fixing etc, complete all as specified and as directed.

S&F powder coated anodised aluminium door shutters, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges,anodised aluminum snap beading screws etc. (Thickness or powder coating not less than 50 micron) complete all as specified and as directed.

S&F powder coated anodised aluminium window and ventilator shutters, side hung type without sash bar, aluminium section weighing 0.55 Kg/m incl necessary joining cleats, glazing clips, rubber packing, anodised aluminium spap beading, screws etc, (Thickness or powder coating not less than 50 micron) complete all as specified and as directed.

S&F 4.0 mm thick sheet glass ordinary quality and glazing with oil putty in square n exc 0.5 sqm in each pane complete all as specified and as directed.

S&F 4.0 mm thick veneered decorative plywood, grade 1 (with BWR resin) with decorative face veneers on both faces; fixed with screws to timber frame work complete all as specified and as directed.

Roughning surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust etc & brushing neat cement slurry @ 3.0 Kg/sqm complete all as specified and as directed.

M&L for 25 mm thick cement concrete 1:2:4 type B1 20 mm graded aggregate as in flooring and finishing surfaces of concrete in sub floor, sub-bases etc even and rough to receive the topping layer complete all as specified and as directed.

M&L for 15 mm thick screed bed or bedding layer of cement mortar 1:6, for laying floor finishes complete all as specified and as directed.

M&L for non skid ceramic tiles 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 Sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed.

M&L for taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key scrubbing down with water etc. complete all as specified and as directed.

M&L for rendering 10mm thick on fair faces of brick work/ concrete surfaces in CM 1:4 to receive tiles etc complete all as specified and as directed.

M&L for coloured glazed ceramic tiles 350 x250 x7mm / 450x 350 x 7mm thick, on vertical surfaces such as skirting, dados and risers to steps etc., set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed.

M&L for taking down, easing and adjusting of shutters of any description exc 1 Sqm and n exc 2 Sqm each and refixing in other opening as required incl renewal & refixing builders hardwares complete all as specified and as directed.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out in hard/dense soil, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, and removing surplus soil to a distance n. exc. 50 m and making good surface complete all as specified and as directed.

S&F rolled mild steel joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc (cut to ordinary lengths i.e. within 20 mm of the length indicated) conforming to Fe 410-W- (Gde-E-250) quality-A complete all as specified and as directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 MPa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F non skid ceramic coloured tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white cement or coloured cement to match over 15 mm thick screed bed in cement mortar 1:6 complete all as specified and as directed.

S&F non skid ceramic coloured tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in skirting/dado etc. set and jointed in neat cement slurry and pointed in white cement or coloured cement to match over 10 mm thick rendering in cement mortar 1:4 complete all as specified and as directed.

S&F anodised aluminium snap grid frame work for false ceiling, size of grid 605x605mm, complete all as specified and as directed.

S&F hangers 4 mm dia G.I (upto 1200 mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40 x 3 mm size 60mm long complete all as specified and as directed.

M&L for 4 mm thick non asbestos fibre cement building boards fixed or laid/inserted to GI/Aluminium frame work with screws complete all as specified and as directed.

S&F steel work in tubular trusses incl special shaped washer etc., complete using ERW or incl butt welded tubes conforming to I.S. 1161-1998 grade St-240 complete all as specified and as directed.

M/S POTHIRAJ AND CO

S SUDHAKAR

S.N.MANJUNATHA

VIKAS CONSTRUCTIONS

Elite Constructions

K. VENKATESH NAIDU