Tender For Repair/Renovation Works Of Isec Hostel At Niels Bohr Hall Bhawan (Ground, 1St & 2Nd Floor) At 205 B. T. Road, Isi, Kolkata – 700 108.; 1 Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. 2 Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge. 3 Dismantling upto 100 mm sluice valve by parts and cutting out worn out bolts and reassembling the same after regrinding valve,rewashering flanges, asbestos diamond packing including studs,bolts, nuts and necessary repairs.Bars upto 12 mm diameter. 4 Providing, mixing and applying bonding coat of approved adhesive onas per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make. 5 Applying 2 coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturers specification for water proofing layer in water tank etc. 6 Removing old paint from blistered painted surface of steel or other metal by chipping including scraping and cleaning and exposing the original surface. 7 20 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand) 8 Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete. 9 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved 10 Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications :Painting wood work with Deluxe Multi Surface Paint of required shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @0.75 ltr/10 sqm of approved brand and manufacture 11 Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992Single Socketed 3 Meter Length, 110 mm dia 12 Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992, Fittings 13 Door Tee, 110 mm 14 Bend 87.5 degree:110 mm. 15 Door Bend (T.S.) 110 mm 16 Pipe Clip, 110 mm 17 Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead, 100 mm dia pipe 18 Providing and fixing to the inlet mouth ofpipe cast iron grating 15 cm diameter and weighing not less than 440 grams. 19 Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications.Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm 20 Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. 110 mm 21 Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams. 22 Fixing chowkhats in existing opening including embedding chowkhats in floors or walls cutting masonry for holdfasts, embedding hold fasts in cement concrete blocks of size 15 x 10 x 10 cm with cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size), painting two coats of approved wood preservative to sides of chowkhats and making good the damages to walls and floors as required complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge, Door chowkhats 23 Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineerin- charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. 24 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade -Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture. 25 Godrej Hydraulic door closer fitted and fixed completeHeavy type 26 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. 27 Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer, Using M.S. angels 40x40x6 mm for diagonal braces. 28 Cutting holes up to 15x15 cm in R.C.C. floors and roofs for passing drain pipe etc. and repairing the hole after insertion of drain pipe etc. with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete so as to make it leak proof. 29 Taking out doors, windows and clerestory window shutters (steel or wood) including stacking within 50 metres lead : Of area 3 sq. metres and below 30 Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm 31 Supplying and laying true to line and level Tactile Finish Scratch resistant, Neutral to UV rays, Non-fade, High Slip Resistant Full Body Vitrified Tiles conforming to IS:15622-2006 & IS :4457- 2007 and tested in accordance with IS:13630 [Non- modular sizes for tiles with Skid resistance: 0.6, Mohrs hardness > 7.0, Staining resistance: Class-1, Water Absorption E < 0.5%], MOR > 38N/sq.mm & Breaking strength > 4000 N for Outdoor area of building e. g. Driveway, Pathway, Pavements, Parking lots, Sloping ramps, Entrance lobbies, Patios, Portico, swimming pool enclosure, Bus Passenger Shed & directing visually impaired persons, set over necessary underlay and 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg./Sqm, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles and removal of wax coating of top surface of tiles with warm water and cleaning the tiles using soft and dry cloth complete including the cost of materials, labour and all other incidental charges complete including backside slurry but excluding the cost of underlay and true to the manufacturers specification and direction of Engineer-in-ChargeSizes-300 mm x 300 mm x15 mm, in Ground floor , 1st floor & 2nd floor balcony area 32 Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles including roughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc. Wall, WWiitthh PPoloylmymereirsiesded AdAhdeshievsei v &e Eapnodxy Egproouxyt pogirnotiuntg pointing including spacer- 2 mm ( When Tiles are laid over existing hard ready surface) , Area of each tile above 0.09 Sq.m [using adhesive 4.5 mm thick], Coloured decorative 33 Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing to edges to give high gloss finish etc. complete at all levels.Granite stone slab colour black, Cherry/Ruby red, Area of slab over 0.50 sqm 34 Providing edge moulding to 18 mm thick marble stone counters, Vanities etc., including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge. Extra for fixing marble /granite stone, over and above corresponding basic item, in facia and drops of width upto 150 mm with epoxy resin based adhesive, including cleaning etc. completeGranite work 35 Providing and fixing ISI marked aluminium butt hinges 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: 125x75x4 mm 36 Stitching crack in brick wall by carefully cutting out face brick 125 mm. deep into the wall, cleaning the gap and filling up the same with precast cement concrete block carefully set in cement mortar (1:3) including mending good damages and finishing the surface to match with adjacent areas complete as per directionWith plain cement concrete blocks(1:1½:3) with stonechips, Block size 250 x 125 x 75 mm, 37 Polishing only of old marble or terrazo work with oxalic acid powder using 33 gms/ sq.m. by manual labour / machine where necessary.
