SPECIAL REPAIR TO EXTERNAL WALL, ROOF, CHAJJAS AND SANITORY FITTING IN OFFICERS AND JCO/OR MARRIED ACCOMMODATION RANJIT VIHAR UNDER AGE BR-II AT BRICHGUNJ MIL STN, SRI VIJAYA PURAM

Dismantling plain or corrugated steel sheeting any gauge, thickness, including Nainital or similar pattern roof coverings all as specified and directed.

S&F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.5 mm thick of any colour having tensile strength of 550 mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified.

S&F pre-painted galvalume aluminium zinc coating GI based plain 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 as specified.

M & L for water proofing treatment with the following specifications including taking down existing roof treatment of any description and cleaning with water and scrubbing and disposing off the rubbish outside the MoD premises, complete all as specified and as per manufacturers instructions:- (i) Rendering 10mm thick in CM 1:4 on concrete surfaces mixed with water proofing compouund @ 3% by weitht of cement as leveling course (ii) Apply a coat of hot blown bitumen 85/25 @ 1.20 kg/sqm over a coat of bituminous primer @ 0.3 ltr per sqm. (iii) Laying APP membrane (STP Aquashield or equivalent) weighing not less than 3.5 Kg/sqm, reinforced with polyster non woven fabric (weighing not less than 150 gms/sqm) with 100mm over laps both longitudinally and transversally and overlaps shall be sealed by torch, membrane shall be taken to the parapet through fillet and shall be tucked in inside after a height of 300 mm. Note :- Water proofing compound shall be measured and paid separately.

Taking down cement plaster of any description from wall/ceiling including raking out joints hacking for key, scrubbing down with water etc, complete all as specified and directed.

M&L rendering 10 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 and finished even and smooth without using extra cement all as specified and directed.

M&L rendering 5mm thick in CM 1:4 with using water proofing compound over 10mm thick in CM 1:6 on external surfaces of block masontry concrete surface even and smooth eithout using extra cement.(WPC shall be added in only 5mm thick top layer of plaster @ 2% of cement content)

Supply only integral water proofing compound

M&L for rendering 5 mm thick in CM 1:3 finished even and smooth without using extra cement on ceiling including cement slurry 3 kg/sqm.

M & L for two coats of OBD over a coat of primer on newly plastered surfaces of walls including nesessary preparation of surfaces all as specified and directed.

M&L for two coats of weather prof coat (Exterior) all guard emulsion, approved colour/tined to new wall surfaces over a coat of primer including necessary preparation of wall surfaces.

M & L for two coats of OBD over a coat of primer on newly plastered surfaces of ceiling including nesessary preparation of surfaces all as specified and directed.

M & L for preparing old decorated surfaces of ceiling and applying two coats of OBD over a coat of primer all as specified and directed.

M & L for two coats of OBD over a coat of primer on old plastered surfaces of walls including nesessary preparation of surfaces all as specified and directed.

M&L for two coats of weather coat(Exterior) all guard emulsion, any colour/tined over a coat of primer.including complete removal of old treated wall surfaces.

M&L for preparation of old steel surface of any description over 10cm width or girth and applying one coats of synthetic enamel paint complete all as specified and directed.

Dismantling of CI drain pipes,50-100 mm dia jointed in cement mortar including all fittings joints etc complete all as specified and directed.

M&L for PVC (SWR) pipes 110mm bore double socketed in any length with rubber ring joints, fixed to wall incl testing of pipe etc complete all as specified and directed by Engr-in-Charge

All as per item 18 above but 75mm bore of pipe all as specified and directed.

M&L for PVC (SWR) floor trap, plain with grating including jointing with solvent cement 75mm outer dia, with grating including jointing to waste pipe fixed in cement concrete type B-1 (1:2:4)

Supply and fix PVC (SWR) bends 110mm bore with oval access doors all as specified and directed.

Supply and fix PVC (SWR) bends 75mm bore with oval access doors all as specified and directed.

Supply and fix PVC (SWR) junction single, (Single T) 110mm bore, equal or unequal with oval access doors all as specified and directed.

All as per item No 23 above but 75mm bore of pipe all as specified and directed.

Supply and fix PVC (SWR) branch piece, single (single Y) equal or unequal110mm bore, equal or unequal with oval access doors all as specified and directed.

All as per item No 25 above but 75mm bore of pipe all as specified and directed.

Demolition of unreinforced cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) all as specified and directed.

M&L for PCC 1:3:6, type C2, (Using 40 mm graded stone aggregate), 100mm thick as in plinth protection/Sub base flooring, finishing surface fair and even, in panels & filling joints with mortar, etc., complete all as specified and directed.

M&L for removing loose and broken concrete by chiselling /picking etc upto a depth of 10 to 30 mm from floor/roof slab/chajjas and similar structural members cleaning the dismantled portion with wire brushes etc to remove dust, dirt and other foreign particles including necessary scaffolding etc and removal of debris to a distance not exceeding 50m, complete all as specified and as directed by Engineer -in-Charge.

M&L for application of high build polymer modified cement mortar (1:2.5) mixed with 3 kg SBR per bag of cement in ceiling surfaces 10 to 30mm thick in two layers surfaces over a coat of bonding agent Nito Bond SBR (1 Ltr SBR + 1 Ltr) water + 3 kg cement), complete all as specified and as directed by Engineer -in-Charge.

M&L for removing loose and broken concrete by chiselling, /picking etc upto a depth of 80 to 100mm from column/ beams and similar structural members cleaning the dismantled portion with wire brushes etc to remove dust, dirt and other foreign particles including necessary scaffolding etc and removal of debris to a distance not exceeding 50m, complete all as specified and directed.

M&L for applying one coat of anti corrossive primer @ 0.25 Lit/Sqm for the steel area to exposed old and new reinforcement to the full circumfrance and length of bars to form unbroken 40 Micron thick film all as specified and directed by Engr-in-Charge.

M&L for applying one coat epoxy bonding agent @ 2.6 sqm/lit or as per manufacture’s instruction to old concrete surfaces of columns, beams and similar structural members all as specified and as directed. Make: fosroc/ bostik/ STP

M&L for non shrink, cementitous micro concrete mixed with 12.5 graded stone aggregate using Renderoc RG or equivalent by weight (18 Kg Aggregate : 25 Kg Renderoc RG) respectively (as per manufacturer’s instruction) laid in average thickness 60 to 80 mm in surface, including necessary watertight form work complete all as specified and directed. Make: fosroc/ bostik/ STP

M&L mild steel TMT bars 10 mm dia., and over cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips for fixing to existing voyage reinforcement

Mild steel TMT bars 6 to 8 mm dia., cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips

Demolition of precast concrete block walling, built in cement mortar including all quoins, arches, pillars, etc all as specified and directed.

M & L for Pre-cast PCC block masonry type B-1 (1:2:4) with solid block and set in CM1:6 all as specified and directed.

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