8308 REPAIRS TO PLASTER, FLOORING, MASONRY AND OTHER MISCELLANEOUS WORKS IN TECHNICAL AND RESIDENTIAL AREA AT NSTL UNDER AGE (I) RnD NSTL, VISAKHAPATNAM

Amount

Taking down cement plaster on brick or stone walls including raking out joints, hacking for key, scrubbing down with water etc. to receive plaster

M&L for rendering 15mm thick in CM 1:6 on stone masonry surfaces or surface other than fair face of brickwork or on one side of lathing, finished even and smooth without using extra cement all as specified and as directed

M&L for rendering in two coats, 5mm thick in CM (1:4) including mixing water proofing compound over 10mm thick in CM (1:6) on concrete/ brick masonry surfaces, finished even and smooth without using extra cement all as specified and as directed. (NOTE :Supply only water proofing compound shall be measured and paid separately under relevant item.)

Supply only integral water proofing compound

M&L for preparation of new plastered surfaces of walls & applying two coats of distemper oil emulsion over a coat of alkali resistant primer all as specified and as directed.

M&L for preparation of new plastered surfaces of walls & applying two coats of cement based paint all as specified and as directed.

M&L for preparation of new plastered surfaces of ceiling and applying three coats of white wash all as specified and as directed.

M&L for preparation of new plastered surfaces of walls and applying three coats of white wash all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc. 15cm thickness (below or above ground level) all as specified and as directed.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) of any description and in any position not otherwise specifically provided for

M&L for plain cement concrete 1:4:8 type D2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete, sub base for flooring etc. all as specified and as directed.

M&L for PCC 40mm thick type B1 (1:2:4) using 20mm graded aggregate as in hard standing/ flooring complete finishing even and smooth without using extra cement all as specified.

M&L for PCC 75mm thick type D2 (1:4:8) using 40mm graded aggregate as in sub-base for flooring/ hard standing complete all as specified.

M&L for PCC 75 mm thick type C1 (1:3:6) using 20mm graded stone aggregate as in plinth protection and path laid in alternative bays finished even and smooth without using extra cement including making 10mm wide grooves to full depth at 3m interval and at every change of direction and filling the grooves with mixture of bitumen and sand mixed in the ratio of 1:3 by weight and top 10 mm depth sealed with sealing compound grade 'Á' complete all as specified and as directed by the Engineer-in-Charge.

M&L for providing cement concrete type B1, 1:2:4 using 20mm graded aggregate as in lintels up to 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, copings, bed plates etc complete including necessary formwork all as specified.

M&L for providing precast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces set in cement mortar 1:4 complete all as specified and as directed by Engineer-in-Charge.

S&F high strength deformed TMT steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia all as specified and as directed.

S&F high strength deformed TMT steel bars 6mm to 8mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia all as specified and as directed.

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles all as specified and as directed.

M&L for brick work with fly ash bricks straight or curved on plan exc. 6m mean radius using modular bricks built in cement mortar (1:6) all as specified.

M&L for Grinding the existing mosaic/ marble/ kota stone flooring with grinding machine in two spells, first with carborandom stone of grit size 120-150 and finally with 320-400 size, including wax polishing complete all as specified and as directed by Engineer -in-charge

Demolition of stone slabs and tiles of any description or thickness in floors, aprons etc. laid, bedded and pointed in any mortar all as specified.

M&L for Machine cut polished cuddapah stone slab 25-40mm thick as in cooking platform/ shelves and the like set and jointed with grey cement slurry mixed with pigment to match the shade of the slab all as directed.

M&L for 18-20mm thick Granite work of colour Ruby red/ Telephone black/ Jade black (table rubbed and polished) in floors, steps, jambs, pillars, window cills, cooking platforms and like set in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite, laid over and including 20mm thick screed bed in CM 1:4 complete including rounding and polishing the edges all as specified and as directed.

M&L for granite tiles of colour Ruby red/ Telephone black/ Jade black 10mm thick machine cut, in skirting/ dado laid over 10mm thick cement screed in CM 1:3 and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone including grinding and polishing complete all as specified and as directed.

M&L for pre-polished coloured chequered cement concrete tiles of size 300x300mm, 20mm thick, set, jointed in neat cement slurry and pointed in coloured cement to match the colour of tiles laid over and including 20mm thick screed bed in CM 1:4 complete all as specified.

M&L for applying Dr. Fixit Primeseal diluted with water in 2:1 ratio and allowed to dry and applying three coats of Dr.Fixit Raincoat without dilution with water including preparation and cleaning of surfaces by removing of dust, dirt etc. all as per manufacturer's instructions

M&L for filling the existing cracks on plastered surfaces of walls using Dr. Fixit Crack-X Shrinkfree compound including preparation of surfaces before application by opening the cracks and cleaning off the dust, dirt etc. for ease of application of paste all as per manufacturer's instructions and making good surfaces all as directed.

M&L for chipping of unsound/ weak concrete material in patches of n.exc. 10 Sq.m each for 15mm average thickness from slabs, beams, walls, columns etc. with manual chiseling and/ or by standard power driven percussion type hammer including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris to a distance n.exc. 50m complete including necessary scaffolding arrangement all as per direction of Engineer-In-Charge

M&L for cleaning of reinforcement from rust from the reinforcing bars of dia up to 12mm to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, complete all as per direction of Engineer-In-Charge.

M&L for mixing and applying SBR polymer modified Cement mortar in proportion of 1:3, 15mm average thickness as per specifications and directions of Engineer-in-charge [Note: Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument.] [Make of polymer modifier: 'Nitobond SBR' of make: 'Fosroc' or equivalent in 'Dr Fixit'/ 'Harjas Coatings & Polymers'/ 'Krishna Conchem Products (P) Ltd']

M&L for cutting down the plants/ trees of girth n.exc. 15cm from roof tops/ sides of external walls of bldg, chajja, wall junctions & at junctions of rain water/ waste water pipes including taking out the roots entered in to wall/ slab surfaces; making good surfaces with PCC 1:2:4 type B0 or cement mortar (1:2) including repairing the GI/ CI/ PVC pipe joints which were affected due to cutting/ taking out process after applying anti weed growth chemical including making good the disturbed surfaces to match the adjoining surfaces complete with necessary scaffolding/staging/Jhula etc, with all necessary safety precautions up to 4 storey height complete all as directed and specified.

S&F sinks with drainage board made of stainless steel 1mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size 915mm x 460mm bowl size 410mm x 330mm x 160mm all as specified.

Removing building materials etc. other than spoil to a distance exc. 500m but n.exc. 1.0 km beyond the lead included in the rates, including loading, unloading and stacking at the destination

M&L for Extra over rendering or plastering for work in isolated widths or in widths not forming part of general plastering such as in bands, sunk panels, cornices, skirtings, drip moulds and similar work exc 15 cm but n exc 30cm in width or girth; including cutting to edges, all mitres and stopped ends, etc. all as specified.

M/S SURENDRA ENGINEERING WORKS