External repairing and painting work for Nilgiri building (stilt to 19 upper floor) and other locations at Anushaktinagar, Mumbai.

Amount

PART I : MAIN ITEMS

Description of Work / Item(s)

Amount

PART I : MAIN ITEMS

a) Supplying and erecting M.S. tubular scaffolding using 'H' frames of M/s. Acrow India (or) equivalent with horizontal and vertical rows @ suitable spacing as per I.S. specification which should be suitably overlapped at junctions and cross braced wherever required and securely tied, supporting the scaffolding with building members as permitted by the Engineer-in-Charge, including all pipes of scaffolding shall be atleast 40mm n.b. dia heavy class seamless pipe, providing necessary safety belt and helmet to the workers and dismantling & taking back the scaffolding, safety belt and helmet after the repair works are completed all as per specifications and directed by the EIC.

a)M S Steel scaffolding

Repairs to damaged RCC structural members at all locations/ floors using polymer modified cementatious mortar, for strengthening the existing RCC structural members using acrylic based polymer and comprising the following operations: Important Notes: 1. Breaking cracked / spalled concrete members along the cracks with plaster, including removing and stacking of all unserviceable material at site,simultaneous transportation and disposed at a location in Anushaktinagar as identified by EIC. complete all as per specifications and as directed by the Engineer-in Charge. 2. Exposing and cleaning the reinforcement thoroughly by light tapping / wire brushing of using strong emery paper and finally by acetone /rust remover of Dr. Fixit / Anuvi chemicals / Fosroc or other eqivalent. 3. Applying a coat of polymer and cement slurry in the ratio 1:1 by volume to the reinforcement bars. 4. Polymer required for the work shall be procured by the Agency from approved Manufacturers Like M/s Astra , M/s Anuvi, M/s Apcotex or other approved equivalent manufacturer confirming to technical requirements as below and the invoices/challans etc to be submitted to EIC for record. Appearance: Milky white Ph- value : 9-10 Specific gravity : 1.055+/-0.005 Solid contents(%w/w)-: 44+/-1 Viscocity at 25 degree C temperature (in sec): 15-20 Testing of the material as per relevant codes at NABL approved Lab. is to be done by the Agency for every batch/lot of supply. 5. Bond coat should be applied @ 0.37 ltr./layer/sq.m. 6. Minimum FM of silica sand should be 2.10

a) Building up with polymer modified cementatious mortar for RCC structural members etc. in layers not exceeding 20 mm in a day (proportion – cement 50 Kg. : Silica sand 125 Kg. : polymer liquid 10 ltrs.) with necessary bond coat (polymer : Cement = 1:1 by volume) for tack coat and also for subsequent layers using polymer including curing, covering the flooring /window with tarpaulins or equivalent covering material to avoid deposition of polymer mortar and cleaning of floor / windows thoroughly on completion of repair work etc. complete all as per specifications and as directed by the Engineer-in-charge. Polymer used for this work in KG shall be measured for payment.

b) Repairing with polymer bonded mortar up to 35mm thick in layers of not exceeding 20mm (with out chicken mesh) in a day (proportion- cement 50 Kg : silica sand 125 Kg) with applying protection coat / bond coat to reinforcement, bond coat to old concrete and bond coat for every successive layers of 20mm thick in proportion polymer : Cement-1:1 by weight as per specification including covering the floor/windows with tarpaulin or equivalent covering material etc., and cleaning after repair etc., complete all as per specifications and as directed by the Engineer in charge. The rate is inclusive of supplying and applying protection coat /Bond coat of polymer.

c) Repairing with polymer bonded mortar average 70 mm thick in layers not exceeding 20 mm in a day (proportion – cement 50 kg : silica sand 125 Kg. ) with applying protection coat / bond coat to reinforcement and bond coat for every successive layers of 20 mm thick in proportion Polymer : cement – 1:1 by weight as per specification including one layer of Chicken mesh 22 gauge, including covering the floor / windows with tarpaulin or equivalent covering material etc. and cleaning after repairs, curing etc. complete all as per specifications and as directed by the EIC. The rate is inclusive of supplying and applying protection coat /Bond coat of polymer.

Jacketing and strengthening of R.C.C column with free flow self compacting micro concrete made with Roff concrete Repair (Super flow micro concrete) manufactured by M/S. Roff construction chemical, (or) Renderoc RG manufactured by M/s. Fosroc chemicals (India) limited (or) ESSEN construction chemical or other approved equivalent make, which consist of dismantling loose concrete along with plaster, cleaning the reinforcement thoroughly with wire brush and finally with acetone, making micro concrete by mixing prepacked dry micro concrete and water in proportion as prescribed by the manufacture, mixing them thoroughly for 5 minutes for achieving free flow state of micro concrete, pouring the micro concrete in layers, compacting the concrete by blowing strokes with 16mm steel rod curing for 10 days (curing shall be commenced immediately after 4 hours of pouring concrete) etc. including providing shuttering and disposal of debris at a location in Anushaktinagar as identified by EIC etc. complete all as per specifications and as directed by the EIC . NOTE: 1. Measurement shall be taken as per actual consumption of pre-packed dry micro concrete in Kg. used for structural repairing work.

Reinforcement With high yield strength deformed bars Fe 500 grade for reinforced cement concrete conforming to IS at all floors & levels including, supplying, cutting, bending, fixing and tying in position with 1.6 mm dia soft drawn annealed binding wire including cost of binding wire, labour etc. complete all as per specifications and as directed by the Engineer-in-Charge. Note: Binding wire required for the work shall be supplied by the contractor & the same will not be measured for payment.

Sand faced cement plaster 20 mm thick in CM 1:4, Over repaired RCC/ masonary surfaces with two coats using factory manufactured pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Build well' Ready mix plaster of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd/ Readymade Polymerised Drymix plaster -Silicoplast of M/s. Precise Conchem Pvt.Ltd. or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechanical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces with base coat of 12 mm thick and finishing coat of 8 mm thick final rendering,including using richer mix for making corners if necessary, at all floors and levels, including making grooves of existing size wherever required, including cleaning the surfaces, including membrane curing by applying one coat brush, roller or spray using acryalic based curing compound i.e. Resikure of M/s Anuvi Chemicals/ Concure Of M/s FOSROC or other equvalent ( as per manufacturer's specification ) including removing existing damaged/ worn out plastering and disposal of debris at a location in Anushaktinagar as identified by EIC etc. complete all as per specifications & as directed by the EIC.

Rough cast cement plaster 25 mm thick in two coats, for base coat in CM 1:4 using factory manufactured pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Build well' Ready mix plaster of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd/ Readymade Polymerised Drymix plaster -Silicoplast of M/s. Precise Conchem Pvt.Ltd. or other approved equivalent make,having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces at all floors & levels for base coat in 1:4, 12mm thick and finishing coat of 13 mm thick with cement and gravel in proportion of 1:3, including cleaning the surfaces, including membrane curing by applying one coat brush, roller or spray using acryalic based curing compound i.e. Resikure of M/s Anuvi Chemicals/ Concure Of M/s FOSROC or other equvalent ( as per manufacturer's specification ), including making grooves of existing size wherever required, including removing existing damaged /worm out plastering and disposal of debris at a location in Anushaktinagar as identified by EIC etc. complete all as per specifications & as directed by the EIC

Cement plastering using factory manufactured pre mix/ready mix mortar in CM 1:4 of pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Build Well ready mix plaster ' of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd / Readymade polymerised Drymix Plaster - Silicoplast of M/s. Precise Conchem Pvt. Ltd. or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied on internal wall and ceiling finished smooth with neeru over brick walls or concrete surfaces at all floors and levels, including curing and removing existing damaged/ worn out plastering and disposal of debris at a location in Anushaktinagar as identified by EIC etc. complete all as per specifications and as directed by EIC.

a) 12 mm thick

b) 15 mm thick.

Providing and applying one coat of base primer (Apex Ultima protect of M/s. Asian paints or Aquatech of M/s. ICI Dulux or equivalent) and two top coats of acrylic water proof exterior coating of Weathershield flexx rainproof system of M/s. ICI Dulux or other approved equivalent make and shade over the sand face / form finished surfaces / rough cast plaster at all locations as required, thoroughly mixed and applied at an interval of 6-8 hours for each successive coats and ensure consumption of 0.47 ltr/Sqm for 3 coats,(base coat @.29 Ltr/sqm & two top coats @0.18 Ltr/sqm ) for sand face surfaces including preparation of surface, cleaning and filling the cracks and crevices with Latex caulking crack filler etc. Complete generally as per the manufacturer's specification and as directed by the EIC.

a) Over sand faced plastered / Form finished surfaces

b) Over rough cast plastered surfaces

Repainting of old painted surfaces with two coats of Oil bound distemper of approved make & shade over two coats of approved primer consist of thoroughly scrapping oil bound distemper/ white wash surface, applying a coat of approved cement primer, filling upthe cracks with approved crack filling compound, applying approved stucco putty to entire surface to fill up crevices, mild depression etc. thoroughly scrapping the surface, applying 2nd coat of approved cement primer over putty work, apply two coats of Oil bound distemper paint including necessary covering material and removal of splashing & droppings from floors, walls including scaffolding, ladder as required & disposing off debris within colony etc. complete all as directed by the Engineer- in- Charge.

Painting on old steel surfaces like widows, collapsible doors,fencing wall, structural steel member, concertina/ barbed wire, chain link fencing etc. with two finishing coats over a coat of primer./wood work with two coats of synthetic enamel paint (Premium gloss enamel of asian paints or equivalant approved shade and make) over one coat of primer including preparing surfaces, filling with putty wherever required and cleaning etc. complete all as per specifications and as directed by the EIC.

Providing and applying shrinkage crack filler of Dr.Fixit Crack X Paste / smart care crack seal of Asian paint in paste form / Aquatech crack filler in paste form of Dulux or other equaivalant material including opening the loose part of the existing crack , making the same in V - shape in required depth & width, cleaning the groove by removing dust, oil, grass, loose particals etc., press the crack filler in to the crack one time only with a spatula or putty knite and level the surface etc. completed all as per manufacturer's specifications and as per direction of the engineer-in-charge.

Providing vatas 100 x 100 mm at junction of pardi bottom and cudappa top from inside and outside with curved finished surface using pre mix/ready mix mortar of approved Manufacturer pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Build well' Ready mix plaster of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd/ Readymade Polymerised Drymix plaster -Silicoplast of M/s. Precise Conchem Pvt.Ltd. or other approved equivalent make in CM 1:4 to match the surrounding plaster to the required profile including removing existing all vatas from inside and outside, hacking the existing plaster and apply bond coat 1:1 (Polymer : water by volume) for bonding over the existing plaster or concrete as per specification including removing existing damaged/ worn out plastering/vatas and disposal of debris at a location in Anushaktinagar as identified by EIC etc all complete as per specifications and as directed by the EIC.

a)Pressure grouting through RCC wall by drilling holes in RCC to required depth (min 150 mm depth) without causing any damages to reinforcement, inserting 1/2'' dia PVC pipe in hole securing the sides of the hole with cement mortar 1:2, pressure grouting with a mix of Cement slurry with 225 gm Dr. Fixit pidicrete AM or equivalent per 50 kg cement bag and continuing the pressure grouting till the flow of cement slurry stops, removing the PVC pipe, sealing the hole with Polymer modified mortar etc. ensure curing by applying curing compound etc. Complete all as per specification and directed by EIC.

Plain cement concrete 1:2:4 using graded stone aggregate of 20mm max. size at all floors, levels and locations including machine mixing, laying, consolidation, finishing, curing, etc. complete all as per specifications and as directed by the Engineer-in-Charge.

Brickwork 230 mm thick using bricks as specified with cement mortar 1:4 in including curing, raking out joints above ground level simultaneous pointing below ground level etc. complete as per specification and as directed by the Engineer in charge.

Providing and fixing structural steel with M.S. angles, flats etc of approved make only, at all levels and locations as per design and pattern over masonry wall, drain grating or as required at site, including welding in proper level, line & alignment, and including painting by dipping the structural steel with two coats of synthetic enamel paint of approved shade and make and one coat of approved steel primer (painting & priming to be done by dipping only), scaffolding, fabrication, welding, cutting, wastage etc complete all as per specification and as directed by the Engineer-in-charge.

Providing and fixing PVC pipe Everlast or equivalent of 40 mm dia and connecting to the balcony with proper finishing, making leak proof joints and including removing the existing one etc. complete all as per specifications and as directed by the Engineer- in- Charge.

Providing and applying two coats of Acrylic base Damp proof Ultra of M/s Asian paints or other equivalent approved waterproofing coat on vertical surfaces of sand face / rough cast as per manufactural specifications and over plaster, vatas, over chajja, parapet wall, beam column junctions etc. using rollar application including surface preparation filling the cracks with crack filler all complet as directed by the Engineer-In-Charge.

Providing and applying Asian paints smartcare Damp block white coloured coating over wall/conctrete surface including removing old paint, applying one coat of self priming coat of Apsmart care damp block (diluted with water in 1:1 ratio ) and applying two coats of AP smart care damp block (diluted with water in 3:1 ratio ) etc. complete as per specifications and as directed by the Engineer-in-Charge.

Polymer Applicators (BID ID -3226101)

Polymer Applicators (BID ID -3226101)