PERIODICAL SERVICES TO EXTERNAL SURFACES,REPAIRS TO DAMAGED RCC STRUCTURAL MEMBERS, EXTERNAL PLASTER AND OTHER MISC WORKS AT RASHI AREA ,OLD and NEW RS COLABA UNDER AGE B/R-II OF GE(NW) NAVY NAGAR, COLABA, MUMBAI

Taking down cement plaster of any description including racking out joints hacking for key scrubbing down with water etc

M&L for 20 mm thick plastering in two coats 15 mm thick backing coat in CM 1:6 and 5 mm thick setting coat in CM 1:4 mixed with water proofing compound @ 2% by weight of cement on fair faces of brick work or concrete wall surfaces finished even and smooth without using extra cement all as specified including scaffolding, Safety net etc all complete as directed by Engr-in-Charge. (Note :- WPC shall be measured and paid separately)

Supply only integral water proofing compound of approved ISI make complete as directed by Engr-in-Charge..

M&L for applying two or more coats of 100% premium acrylic exterior emulsion paint (VOC < 50 g/litre) with UV resistance as per IS 15489:2004, alkali & fungal resistance and dirt-resistant properties, of required shade (company depot tinted), containing silicon additives @ 1.43 litre/10 sqm, over and including exterior primer applied @ 0.90 litre/10 sqm on new surfaces, complete all as specified and directed by Engr-in-Charge.

Material & labour for applying one coat of water-based premium acrylic smooth exterior emulsion paint of approved colour, with silicon additive and colour-stay technology, excellent dirt pick-up resistance, VOC < 50 g/litre as per LEED specifications, anti-algal properties, coverage @ 10 sqm per litre (diluted as per manufacturer’s instructions), including preparation of old surfaces, complete as directed by Engr-in-Charge. NOte- Work shall be carried out through authorised apllicator only

M&L for preparation of old painted surfaces of wood or wood-based materials of any description (not otherwise specified), over 10 cm width or girth, and applying one coat of synthetic enamel paint, complete all as specified and directed by EIC.

M&L for preparation of old painted surfaces of steel or steel-based materials of any description (not otherwise specified), over 10 cm width or girth, and applying one coat of synthetic enamel paint over one coat of anti-rust paint/red oxide primer, complete all as specified and directed by EIC.

M&L for applying one coat of oil-bound distemper on old decorated wall surfaces, including preparation of surfaces and filling imperfections such as holes, dirt and fine cracks, complete all as specified.

Taking down CI soil/waste/vent/rain water pipes including all fittings like shoes bends swan necks etc of any dia all as specified and directed.

S & F CI soil/waste/vent pipe in any length with ears 100mm bore (sand cast) in any length with cement joints fixed to walls with clamp spacing 1.5mm c/c as per CE (Navy) mumbai TD No :TD/2023/01 complete all as specified directed.

S & F CI soil/waste/vent pipe in any length with ears 75mm bore (sand cast) in any length with cement joints fixed to walls with clamp spacing 1.5mm c/c as per CE (Navy) mumbai TD No :TD/2023/01 complete all as specified directed.

S & F CI bends (any radius) for soil/waste pipes 100mm bore diminishing pieces or tapers on walls complete all as specified.

S & F CI bends (any radius) for soil/waste pipes 75mm bore diminishing pieces or tapers on walls complete all as specified.

S & F CI branch piececs single (equal or unequal) ordinary or inverted (spigot or socked type) with parallel branches for 100mm bore pipe (Y or T) all as specified and directed.

S & F CI branch piececs single (equal or unequal) ordinary or inverted (spigot or socked type) with parallel branches for 75mm bore pipe (Y or T) all as specified and directed.

Chipping ,removing carefully old broken concrete work by low impact hammer ,breaker without damaging the structure & cleaning and disposal of debris out side the premises etc. complete as directed by Engr-in-Charge. Hard concrete should not be removed by force all as specified and directed..

M&L for applying the rust remover alkaline in natrue having specific gravity of 1.1 kg/ltr to the existing/additional rebars including wire brushing manually or by mechanical tools, after cleaning the disturbed surface etc. complete by draining water. Rust remover shall be procured from one of manufacturer given below all as specified and directed.

M&L for applying two coats of anti-rust protective coating in the form of Acrylic Polymer with a minimum solid content to 40% solids mixed with cement in 1:1.5 proportion (1 part polymer and 1.5 parts cement) on rebars after cleaning of rust scales as per manufacturer's instruction. Anti-rust protective shall be procured from one of manufacturer given below all as specified and directed NOte- Work shall be carried out through authorised apllicator only

Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and bindingwith and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips all as specified and directed.

Providing and applying hi-tech, water-based, organic, bi-polar, calcium-nitrite-free migratory corrosion inhibitor on concrete surfaces, having pH 9.5, capable of migrating up to 100 mm into concrete through pores, to inhibit corrosion of embedded reinforcement at anodic and cathodic zones by depassivating electro-chemical reactions, thereby protecting reinforcement on all sides, complete all as specified and directed. NOte- Work shall be carried out through authorised apllicator only

Providing and applying bonding coat of SBR polymer over exposed steel/welded mesh/concrete in the ratio 1:1 to 1:1.5 (polymer : cement), including mixing and application as per manufacturer’s instructions, complete as directed by the Consultant. SBR polymer shall be procured from one of the approved manufacturers listed below, all as specified and directed. NOte- Work shall be carried out through authorised apllicator only

M&L for repairing damaged concrete portions using SBR-polymer-modified cement mortar (minimum 40% solid content) in the proportion 1:5:15 (1 part SBR polymer : 5 parts OPC cement : 15 parts graded quartz aggregate/sand), applied up to 25 mm thickness, including surface preparation, mixing, application, finishing and curing as per manufacturer’s instructions, complete all as specified and directed. SBR polymer shall be procured from one of the approved manufacturers listed below. NOte- Work shall be carried out through authorised apllicator only

Rebuilding damaged sections of RCC elements to required dimensions (average thickness 50 mm) using micro-concrete of grade M-40 or higher, including providing and fixing watertight shuttering of minimum 12 mm thickness with supporting framework, mixing, placing, compacting, finishing, curing, removing shuttering, and levelling the surface by grinding off cementitious slurry or construction joint irregularities, complete all as specified by the Engr-in-Charge. NOte- Work shall be carried out through authorised apllicator only

M&L for plain aluminium sheeting, 0.56 mm thick, fixed as in crumpled/creased section including cutting, shaping, drilling and fixing with screws/rivets complete, all as specified and directed.

M&L for writing letters or figures of required size to match existing building numbering, in approved style (Block / Roman / Italic / Indian), including surface preparation, painting with synthetic enamel/acrylic paint and all accessories, complete as specified and directed by the Engineer-in-Charge.

M&L for applying one coat of water-based premium acrylic emulsion floor-guard paint of approved colour, including preparation of surface by removing all loose paint, dust, dirt, grease, oil, wax and other contaminants using soap-powder solution and scrubbing brush; ensuring the surface is clean, dry and free from dampness, complete all as specified and directed.

M&L for removing vegetation growth/shrubs of any size and chemically treating the stems by cut/injection method at 30 mm c/c using Glyphosate 41% SL (20 ml per plant or till refusal), including spraying a solution prepared by diluting 25 ml Glyphosate 41% in 1 litre of water; allowing complete kill of vegetation and removing dead plants, including necessary scaffolding etc., complete as per manufacturer’s instructions and as directed by GE. NOte- Work shall be carried out through authorised apllicator only

Note for all items above 1)The tenderer shall note that before quoting his unit rates, all items of work shall be executed in a high-rise building (upto G + 15 floors) and shall include provision of necessary scaffolding and safety measures. 2)Debris shall be removed from time to time as directed by the Engineer-in-Charge. 3)Protective Work: Provision of temporary barricading using galvalume sheets around the periphery of the site up, complete all as specified and directed by the Engineer-in-Charge. 4)Any damage caused to the RCC structure or adjoining portions during demolition or dismantling, due to negligence of the contractor, shall be made good by the contractor at his own expense. 5)Safety Precaution: Necessary safety precautions for men, material and structures shall be taken by the contractor during execution of work. 6)Necessary steel scaffolding shall be provided by the contractor for multistoried buildings. The contractor shall ensure that all workmen wear safety belts at all times.

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