Improvements and renovation of class rooms and toilets at Government Primary School, Nallathur in Nedungadu commune.

Amount

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size)

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

Centering and shuttering including strutting, propping etc and removal of form for - Suspended floors, roofs, landings, balconies and access platform

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 (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in - cement mortar 1:6 (1 cement : 6 coarse sand)

Brick work with common burnt clay machine moulded perforated bricks of class designation 12.5 conforming to IS : 2222 in superstructure above plinth level upto floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) - with F.P.S (non - modular) bricks

Providing wood work in frames of doors , windows, clerestory windows and other frames , wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately) -Vengai wood

Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part 1) decorative type , core of block board construction with frame of 1 st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters - 30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

Extra for providing lipping with teak wood battens 25 mm minimum depth on all edges of flush door shutters (over all area of door shutter to be measured)

Providing 40 X 5 mm flat iron hold fast 40 cm long including fixing to frame with 10 mm diameter bots, nuts and wooden plugs and embeddings in cement concrete block 30 x10 x 15 cm 1:3:6 mix (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Providing and fixing aluminium tower bolts , ISI marked , anodised (anodic coating not less than grade AC 10 as per IS :1868) , transparent or dyed to required colour or shade , with necessary screws etc. complete - 300 x10 mm

Providing and fixing aluminium tower bolts , ISI marked , anodised (anodic coating not less than grade AC 10 as per IS :1868) , transparent or dyed to required colour or shade , with necessary screws etc. complete - 250 x10 mm

Providing and fixing aluminium handles ISI marked , anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade,with necessary screws etc, complete - 100 mm

Providing and fixing aluminium hanging floor door stopper , ISI marked , anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade with necessary screws etc complete - Twin rubber stopper

Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance +_1mm ), with wall thickness 2.0 mm (+-0.2mm) , corners of the door frame to be jointed with galvanized brackets and stainless steel screws , joints mitred and plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S. tube of size 19 x 19 mm and 1mm (+-0.1mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer's specification -Extruded section profile size 42x50mm

Providing and fixing to existing door frames - 30 mm thick factory made Polyvinyl Chloride (PVC) door shutters made of styles and rails of a uPVC hollow section of size 60 x 30 mm and wall thickness 2 mm (+- 0.2 mm) with inbuilt decorative moulding edging on one side . The styles and rails mitred and joint at the corners by means of M.S. galvanised / plastic brackets of size 75 x 220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanised M.S.tube of size 25x20mm and 1mm (+- 0.1 mm) wall thickness . The lock rail made up of 'H' section , a uPVC hollow section of size 100 x 30 mm and 2 mm (+-0.2 mm) wall thickness , fixed to the shutter styles by means of plastic / galvanised M.S. 'U' cleats. The shutter frame filled with a uPVC multichambered single panel of size not less than 620 mm, having overall thickness of 20 mm and 1 mm (+_ 0.1mm) wall thickness . They panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S.rod and fastened with nuts and washers, complete as per manufacturer's specification

Providing and fixing of 65mm Godrej Navatal lock of 6 levers etc complete

Steel work welded in built up sections / framed work , including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required - in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc .complete - 40mm thick with 20mm nominal size stone aggregate

Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer) , of approved make (Jhonson / Asian / Somany / Nitco) in all colours , shades of size 300 x 600 mm as approved in skirting , risers of steps and dados, over 12mm thick bed of cement mortar 1:3 (1cement : 3 coarse sand ) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement with pigment of matching shade complete - size 300x600 mm

Providing and laying ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make (Nitco / Kajaria) in colours such as white, Ivory, Grey, Fume red brown ,laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including pointing the joints with white cement and matching pigment etc., complete

Providing and fixing colour coated galvalume sheet of 550 M.P.A. yield of AZ150 strength formed as per patterned steel rib profile with the depth of 31 mm pitch of 250 mm and overall width of 1060 mm and thickness 0.5mm with required J or C hook bolts and nuts 8mm dia G.S.paint and working etc., complete excluding the cost of purlin , rafter and truss etc.,

15mm cement plaster on the rough side of single or half brick wall of mix - 1:4 (1cement : 4 fine sand)

White washing with lime to give an even shade - new work (three or more coats)

Finishing walls with acrylic smooth exterior paint of required shade - New work (two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg / 10 sqm

Painting with synthetic enamel paint of approved brand and manufacutre to give an even shade - Two or more coats on new work

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq.metres and under including cutiing the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 metres lead - with cement mortar 1:4 (1 cement : 4 coarse sand)

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scrarches etc.complete

Wall painting with plastic emulsion Commercial - of approved brand and manufacture to give an even shade - One or more coats on old work

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar

Providing wall black board with cement mortar 1:3 (1 cement : 3 sand) finishing with a floating coat of neat cement and charcoal powder mixed in the proportion 1:2 (1 cement : 2 charcoal powder) and applying one coat of black board paint including 20 mm thick cement plaster band 50 mm wide in cement mortar 1:3 (1 cement : 3 sand)

Supplying fixing and commisioning of Suguna / Texmo / Sharp 0.5 HP monoblock pumpset slow speed single phase motor. The rate include the cost of pumpset , pumpset fixing in position and test run etc. complete

Providing and fixing water closet squatting pan (Indian type W.C.pan) with 100 mm Sand Cast Iron P or S trap, 10 litre low level white P.V.C flusing cistren, including flush pipe , manually controlled device (handle lever) conforming to IS : 7231 , with all fittings and fixtures complete , including cutting and making good the walls and floors wherever required. White vitreous china Orissa pattern W.C.pan of size 580x440mm with integral type foot rests.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings , with one step CPVC solvement cement and the cost of cutting chases and making good the same including testing of joints complete - Concealed work , including cutting chases and making good the wall etc -32 mm nominal outer dia pipes

Providing and fixing Chlorinated PolyvinylChloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete - external work - 25mm nominal outer dia pipes

Providing and fixing ball valve (brass) of approved quality , high or low pressure , with plastic floats complete - 20mm nominal bore

Providing and fixing C.P.brass bib cock of approved quality conforming to IS: 8931 -15 mm nominal bore

Providing and fixing C.P.brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms - 15 mm nominal bore

Providing and fixing C.I. swing type single door Foot valve conforming to IS 4038 and ISI marked, with bolts, nuts, rubber insertion etc.,complete - 65mm dia