REPAIR TO PLINTH PROTECTION, HARDSTANDING AND ALLIED WORKS REPAIR TO PERGOLA, GROUTING, GLASS MOSAIC ALLIED WORKS AT INHS ASVINI UNDER AGE(I) ASVINI, COLABA, MUMBAI

S&F rough-finished precast plain cement concrete pre-polished coloured digital vitrified outdoor paver tiles, 400 × 400 × 8 to 10 mm thick, machine-pressed, set, jointed and pointed in neat cement slurry mixed with approved pigment to match the colour of tiles, laid over and including 15 mm thick screed bed in cement mortar 1:6, complete all as specified and directed. Colour, size and pattern shall be approved by AGE(I).

Dismantling floor, hearth or wall tiling, including cement-mortar bedding (but excluding backing coat), and removing rubbish off the MD premises, complete all as specified and directed.

Demolition of stone slabs and tiles of any description or thickness in floors, aprons etc.and removing debris out side MD land. Note: The place of disposal shall be find out by the contractor.

Taking down cement plaster of any description on brick or stone walls, including raking out joints, hacking for key, scrubbing down with water, and removal of debris off the premises, complete. Note: Place of disposal shall be arranged by the contractor.

M&L for granite tiles, 12 mm thick, machine-cut, for skirting/dado, laid vertically over cement-mortar screed, jointed with grey cement slurry 10 mm thick backing coat in CM 1:4 and pointed with white cement with matching pigment, including grinding and polishing complete all as specified and directed.

M&L Machine cut Kota stone slab flooring 22-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete and including 20mm thick screed bed in CM(1:6) complete all as specified and as directed by Engineer In Charge

Supply only integral waterproofing compound, ISI-marked, of approved make, complete all as specified and directed.

M&L preparing newly plastered surfaces of walls and applying two coats of Acrylic based exterior paint of required shade (two or more coat applied @ 1.67 ltr/10 sqm (100% Acrylic) over a coat of primer @ 2.2 kg/10sqm on wall surfaces complete all as specified and directed by the Engr in charge..

M&L for rendering 15 mm thick on fair faces of brick or concrete surfaces in Cement Mortar 1:4, using ready-mix plaster mixed with integral waterproofing compound, finished even and smooth without using extra cement, complete. Note: Waterproofing compound shall be measured and paid separately.

M&L for fixing glass mosaic tiles 20–25 × 20–25 mm, thickness 3.8–4.3 mm, joint 1.6 mm, factory-assembled in 300 × 300 mm panels, fixed over rendered surfaces with approved tile adhesive.After setting, remove backing paper, wash and clean the tiles, and fill joints over 100% tile area with epoxy grout, removing excess grout and cleaning surfaces, including replacement of damaged/missing chips, complete all as specified and directed.

S&F 12 mm thick BWR grade plywood, fixed with screws to wooden/aluminium frame, including teakwood beading or aluminium beading as required, complete all as specified and directed. Note: New aluminium frame sections shall be measured and paid separately.

M&L for 0.9 mm thick decorative laminate, Type-1, of approved surface finish, colour and pattern, fixed with approved adhesive as per manufacturer’s instructions, complete all as directed.

S&F, in repair, 8 mm thick 600 × 600 mm gypsum prelaminated tiles fixed on aluminium anodised snap grid system of 605 × 605 mm, using anodised aluminium perimeter angle 20 × 20 × 1.2 mm, fixed with nylon sleeves and screws at 610 mm centres. (a) Main tees (31.75 × 31.75 × 1.6 mm) and (b) cross tees (25.4 × 25.4 × 1.22 mm) fixed with ceiling cleats/angles (15 × 15 × 1.5 mm) and 6 mm dia GI wire hangers suspended from soffit at 1220 mm centres (max 1200 mm drop) with steel expansion fasteners 10 mm dia,Complete all as specified.

Material and labour for preparation of old plastered surfaces of wall by washing and rubbing down and stopping old distempered surfaces/painted surfaces and complete removal of existing treatment and applying two coats of acrylic (antifungal) paint over a coat of primer etc. complete all as specified and directed.

Material and labour for preparation of old plastered surfaces of ceiling by washing and rubbing down and stopping old distempered surfaces/painted surfaces and complete removal of existing treatment and applying two coats of acrylic (antifungal) paint (interior grade) over a coat of primer etc.complete all as specified and directed.

M&L for preparation of steel and iron surfaces of any description, not otherwise described, over 10 cm width or girth, and applying one coat of antifungal PU enamel paint, complete all as specified and directed.

M&L for mirror polishing to existing stone flooring of any type using machine polishing to obtain a high-gloss finish, complete all as specified and directed.

M&L for gentle cleaning of stone masonry and piers using controlled water-misting techniques employing air–water jet with fine-nozzle sprinkling calibrated to produce fine mist without over-wetting; followed by gentle brushing using soft nylon brushes and mild pH-balanced surfactants to remove dirt, grit, accretions and lime-wash deposits, all as specified and directed. Note: Rate shall include removal of vegetation on wall surfaces, chajjas etc., and erection and dismantling of MS tubular double scaffolding up to 25 m height, including provision of all safety equipment required for skilled workers.

M&L for applying two coats of polish on external wall surfaces of stone/brick/concrete etc., after proper preparation of surface as per manufacturer’s instructions, complete all as specified and directed by the Engineer-in-Charge. Note: Work shall be carried out up to a height of 25 m, including scaffolding and all necessary safety arrangements.

M&L for SmartCare PU injection grout using nozzle injection. PU (iK) is a hydrophobic polyurethane grout that reacts on contact with water to form a closed-cell rubber-like foam, expanding up to 27 times its volume. The cured material remains constant in volume, unaffected by moisture/dryness, and does not shrink or swell.Depending on injection pressure, it forms either a dense solid or foam, complete all as specified and directed.

Supply & fixing in repairs powder coated aluminium sections for partitions, windows, ventilators and doors including fabrication of frame/shutters and fixing to walls/floors with necessary lugs, cleats etc including all accessories such as glazing clips, handles, tower bolts, rollers rubber beadings for fixing glass panes in frame including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required complete all as specified Note: - (i) Glass panes will be measured & paid separately. (ii) The rate quoted shall be inclusive of neoprene beading, glazing clips, screws, etc. as required but shall not be measured for arriving of weight. (iii) Minimum thickness of powder coating shall be 25 micron. (iv) The rate shall be inclusive of the locking arrangement including complete packing with silicon gel around contacting surface of aluminium work with matching existing area. (v) The size of aluminium sections shall be as per HQ CE(N) MZ TD drawing No TD/2021/01 to 05

M&L for removing vegetation growth/shrubs by injecting Glyphosate 41% SL, 20 ml or till refusal, by making cuts/injection points at 30 mm c/c on plant stems, and spraying a solution prepared by mixing 25 ml Glyphosate 41% SL in 1 litre of water, and removing vegetation completely after it dies; including necessary scaffolding, julas, safety arrangements, complete as per manufacturer’s instructions .

M&L for complete removal of existing treatment from external walls, downward fins, facias, RCC members etc., and providing waterproofing treatment by applying two coats of elastomeric external acrylic waterproof coating after thorough cleaning of surface and sealing of all cracks with acrylic sealing compound as per manufacturer’s instructions. Note: Work shall be carried out with scaffolding all over the building up to G+6, including walls, ceiling beams, parapet walls, fins, chajjas and inaccessible roof areas. Rate of scaffolding is included in the quoted rate of item.

Material & Labour for rolled MS in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc.conforming to Fe 410 W (Grade E-250) quality B complete all as specified and directed by Engineer-in-Charge.

Material and labour for preparation of new steel 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 zinc chrome primer complete all as specified and directed by the Engr in charge.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and directed by Engineer-in-Charge.

S&F pre-painted hot- dip aluminium-zinc alloy metallic coated corrugated steel sheet, any pattern corresponding to IS 15965:2012 of durability class 3, atmospheric classification category 3, coating class AZ150, 0.5 mm thick, of an approved colour and having yield strength of 550 MPa as in roof covering fixed with self tapping screws as specified including necessary scaffolding and safety measures at any floor for height of building exceeding 10 metres but not exceeding 20 metres complete all as specified and as directed.

Taking down PVC rainwater pipes of any diameter, including all fittings such as shoes, bends, swan-necks, offsets etc., and removing them from site, complete all as specified and directed.

Supply & Fixing in repairs 160mm bore PVC ( SWR) grade pipes, single socketed in any length with rubber ring joints fixed to walls with dash through fastners and rain water bracket suitable for 110mm bore pipe spacing 1.5m c/c as per CE (Navy) Mumbai TD No TD/2023/01 or laid in floor complete all as specified.

Material & Labour for mild steel bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165 complete all specified and directed by Engr-in-Charge.

Demolition of unreinforced cement concrete in ground floors and pavings, not exceeding 15 cm thickness, whether below or above ground level, complete all as specified and directed by the Engineer-in-Charge.

Material and labour for machine pressed precast concrete inter locking paver block any shape and size with grey cement and pigment conforming to IS-15658-2006 of 60mm thickness M-35 Grade, glossy finished of approved colour laid over and including 25 mm thick fine sand cushion to a line and slope etc and joined complete including spreading screened river sand over surface for filling the joints and gently rolled with vibrator complete all as specified and directed by the Engr in charge.

Material & Labour for machine pressed precast concrete inter locking paver block any shape and size confirming to IS-15658-2006 of 80mm thickness M-40 Grade, glossy finished of approved colour laid over and including 25 mm thick fine sand cushion to a line and slope etc and joined complete including spreading screened river sand over surface for filling the joints with rising surface vibrator etc complete all as specified and as directed by Engineer-in-Charge.

Supply and application of Sealant Ottoseal S-70 Premium silicone at junctions of external windows, skylight roofs, wall–floor tile joints, or similar locations, complete all as specified and directed.

S&F precast plain cement concrete pre-polished coloured chequered floor tiles,300 × 300 × 25 mm thick, machine-pressed, set, jointed and pointed in neat cement slurry mixed with approved pigment to match the tile shade, laid over and including 15 mm thick screed bed in cement mortar 1:6, complete all as specified and directed. Colour, size and pattern shall be approved by AGE(I).

S&F framed steel work such as grills, gratings, plain or chequered plates, with ends of bars shouldered and/or riveted or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walkways; railings; water-tank framework and similar work, fabricated from steel conforming to Fe-290, Grade E-165, complete all as specified and directed.

S&F rolled mild steel framed work as in plain or chequered plates for drain/manhole covers, square-cut or notched to form fixing holes, made from steel conforming to Fe-290, Grade E-165, complete all as specified and directed.

M&L for brickwork with sub-class ‘B’ bricks, straight or curved on plan (except where mean radius exceeds 6 m), built in cement mortar 1:4, complete all as specified and directed.

M&L for rendering 15 mm thick on fair faces of brickwork or concrete surfaces in cement mortar 1:4, finished even and smooth without extra cement, complete all as specified and directed.

M & L for preparation of new plastered surfaces of any description not otherwise described over 10 cm width or grith and applying two coat of synthetic enamel paint over priming coat complete all as specified and directed.