(a) Repairs and Rehabilitation works to the RCC surfaces (Columns and dock walls) of Building Dock structure and associated buildings. (b) Strengthening of building dock pump house discharge culvert

Chip unsound/weak concrete material from slabs, beams, columns of thickness varies 25mm to 150 mm with standard power driven percusision type or pneumatic chiesel of standard make as directed by engineer incharge including tappering all edges, making square shoulders of cavities etc., complete and disposal of debris upto 50 mts and all lifts and all as specified and directed by engineer.

Upto 11.00M

Above 11.00M

Chipping and removal of old damaged Cement plaster and cleaning the surface including disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

Providing 15 mm thick plaster with CM (1:4) to walls at all heights and ceilings, beams, Stair-case, lintel soffits, chajjas, projections, narrow bands and widths etc., including cost of all materials, tools, plant and labour, scaffolding arrangements and curing all as per specifications and directions of the engineer.

Provide and fix water leak proof steel centering and shuttering to diaphragm walls, column, beams, deck slabs, pile caps, column heads etc., including application of approved form release coating, strutting, bracing, propping etc., keeping the same in position during concreting and removal of the same in position during concreting specified period etc for straight/inclined shuttering, keeping necessary provision for inserts projecting dowels and necessary scafolding and all as specified and directed by engineer.

Upto 11.00M

Above 11.00M

Clean the Rust, over and behind a reinforcement bars upto 25mm dia by manual methods hammering the rebar, using wire brush, chesieling to form a totally rust free finishing surface throughout length of bars complete all as directed.

Upto 11.00M

Above 11.00M

Drilling of holes of dia 16mm to 25mm by using electrically operated machine or any other equipment in existing plain or reinforced cement concrete upto a minimum depth of 100 mm and upto 200 mm deep, fixing the reinforcement in position by grouting "Lock Fix" of fosroc make or equivalent including cost of labour, tools & plant but excluding cost of reinforcement bars which will be measured under item No:5 complete all as directed.

Upto 11.00M

Above 11.00M

Supplying and fixing of fe 415 grade HSD bar reinforcement in position including the cost of steel, transporting the same to the site of the work, straightning, cleaning, cutting, bending, to the required shapes and lengths as directed by the engineer incharge, binding with 16 SWG black soft annealed binding wire or welding wherever required at every intersection, supplying and placing with proper cover blocks, supports, chairs, overlaps etc., for all heights and depths and necessary scafolding and all as specified and directed by engineer.

Upto 11.00M

Above 11.00M

Drilling of 16mm dia, 150mm deep holes in concrete embedding and including fixing of 12mm dia 300mm long MS bars as shear connectors to fix the weld mess and grouting with lock fix chemical of fosroc as per manufactures specifications and necessary scafolding and all as specified and directed by engineer.

Upto 11.00M

Above 11.00M to 40.00M

Supply and apply the NitoZinc primer of fosroc make to the existing prepared surface of reinforcing bars to protect from corrosion complete all as directed.

Upto 11.00M

Above 11.00M to 40.00M

Supply and apply of Nito bond EP chemical of fosrock make to the existing concrete surface for bonding after cleaning and brushing of surface complete all as directed by engineer

Upto 11.00M

Above 11.00M to 40.00M

Core cutting through slabs, beams etc to facilitate the placement/pumping of Micro concreting including all mechanical equipment, core cutters, drill bits, without causing any damage to the existing members engineer in charge including working platforms.

Provide and place in position micro concrete (M-40) which shall be cement based prepacked component such as Rendrock - RG of fosroc make or equivalent mixed with 6mm size coarse aggregate in specified percentage by weight subjecting to the maximum of 50% as dtrected by the engineer incharge including mixing with suitable and approved mixing machine, pumping of concrete under pressure where ever required to ensure that the concrete laid for encasement is dense, properly compacted, free from honey combs, and necessary scafolding as directed by the engineer in charge.

Upto 11.00M

Above 11.00M to 40.00M

Supply and application of concrete curing compound to the finished concrete surface immediately after stripping the form work with CONCURE-WS of Fosrock or its equivalent approved by Engineer in Charge as per the manufacurers recommendations and as directed including necessary scafolding.

Upto 11.00M

Above 11.00M to 40.00M

Provide and building up of isolated damaged portions up to 25 mm average thick in beams, walls, of building dock pump house etc., using polymer modified cementations mortar with cement sand ratio 1:3 using Nito bond SBR/ approved equivalent at the rate of 7lts/ bag of cement to an average thickness of 20mm over the primed surface using Nito bond SBR in 1:1:3 by volume (Nitobond SBR :water: cement). Repair mortar has to be applied before priming coat dries, (if the bonding compound dried it should be re- coated) and cutting the repair mortar after competion of repair work with Nito bond AR (1 part of water by volume) as a curing membarance at a coverage of 8-10 Sq.m / lit cost including scaffolding wherever necessary and all as specified and directed by Engineer

Upto 11.00M

Above 11.00M to 40.00M

Repairing the masonry wall cracks by adopting stitching technique with RCC planks across the cracked line and grouting with epoxy bond polymers mixed with cement mortar in to crack etc., complete all as directed.

Apply two coats of premium quality arcylic Interior emulsion paint over a one coat of primer, reqired shade to wall surfaces from approved brands Asian paints (Royal shine), Berger (silky luxury) where ever specified by Engineer including necessary scaffolding etc., complete

Apply two coats of premium quality weather proofing arcylic Exterior emulsion paint over a one coat of primer, reqired shade to wall surfaces from approved brands Asian paints (apex ultima), Berger (All guard) where ever specified by Engineer after through scrapping & cleaning of old surface including necessary scaffolding etc., complete

Providing Two(2) coats of white washing with suryacem / Hitech gold to ceiling surfaces after through scrapping, sand papering and cleaning the surface to give even shade etc., complete all as directed.

Providig two coats of epoxy paint (for steel work) over a coat of zinc rich primer of approved brand Asian / Berger / Shalimar / Nerolac including scrapping of old surface where ever required & specified by Engineer etc., complete

Providing two(2) coats of synthetic enamel paint for doors and windows etc., (after removing the rust by using wire brush or sand paper if required) of approved brand (Asian / Berger / Nerolac) and manufacture of required colour to give an even shade on old work including applying putty and prime coat complete all as directed

Injecting epoxy based, non shrink resin grout by pressure grouting in to the cracks including all materials and labour etc., complete

Upto 11.00M

Above 11.00M to 40.00M

Removing of existing MS grills etc complete all as directed.

Supply, fabricate and fix MS Grill of specified design with MS flats, MS angles, square or round bars etc., Complete

Structural steel work using MS pipes, angles, plates in ladders, trussess, brackets etc, including cutting, fabrication, hoisting, fixing in position. Quoted rate inclusive of all materials and consumables etc., complete

Providing and fixing anodized extruded aluminium windows & ventilators (single or double shutter), doors and partitions (single or double shutter) part pannelled and part glazed with pre-laminated flat pressed 12mm thick particle board (NOVAPAN, ECOBOARD etc) of approved colour & make. Aluminium sections shall be powder coated with approved colour including aluminium frame conforming to IS:1948, IS:1949 fabricated from extruded sections of INDAL / JINDAL or approved equivalent make having minimum 2mm wall thickness for windows & ventilators and 3mm wall thickness for doors & partitions as per IS:1285, IS:733 and electro color coating of 15 microns thickness. Glazing shall be clear float glass of 5.5mm thickness of approved make SaintGobin / Modifloat including sanp fit type beading, concealed screws, fixtures (like tower bolts, hold fast, handles both sides, door stoppers with rubber shoes, 'L'drops, stays, floor springs, hydralic door closers etc) lokcing arrangement for windows, Godrej make mortice lock with 3 no keys for each door, C.P.brass / staineless steel screws, providing and fixing hinges / pivots, and making provisions for fixing of fittings where ever required including cost of PVC / neoprene gasket fits all complete with necessary fillingup of gaps at the junctions, at top, bottom and sides etc., complete. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required.

Provide and lay water proofing treatment consisting of: (i) through cleaning of existing RCC roof slab (ii) Repairing of all surface cracks wider than 3mm with polymer modified mortar prepared with Sikatop 77 acrylic polymer. (ii) Providing and laying cement plaster in CM 1:6 (where ever required to cover the undulations of slab surface) duly admixed with Sika Plastocrete Super @ 0.2% by weight of cement, over a bond coat of Sika Latex Cement Slurry to make the surface smooth and even (iii) Application of priming coat of compatible bituminous primer Sika WP Shield Primer W @ 0.300 kg per sqm over the cleaned and prepared roof surface complete as per satisfaction of the Engineer-in-Charge. (iv) Providing and laying STP(Shalimar) or Sika Atactic Polypropylene Polymer (APP) modified five layer prefabricated waterproofing membrane with thermal fusible properties on both side and having minimum thickness of 3.0mm and unit weight not less than 4.0 kg/sqm reinforced with non woven spun bonded polyester reinforcement @ 160 gm / sqm, <-50C cold flexibility. The layer of the membrane shall be laid using butane torch and sealing all joints properly, leaving no bare edge or end of APP membrane and finishing the surface with trowel or otherwise to obtain a uniform surface. The minimum side lap and end lap shall be kept at 75mm and 100 mm respectively. The membrane shall be laid over a coat of bituminous primer @ 0.300 kg./ltr per sqm made by the same membrane manufacture after necessary surface preparatory works such as cleaning the surface thoroughly, shaping mouths of outlets including cutting grooves (50mm x 50mm) in parapet and inserting edge of membrane and mending good damages by sand cement mortar (1:4) and shall be finished in all respect as per direction of Engineer-in-Charge. (v) Applying two coats of aluminium painting .

Providing plain cement concrete 1:2:4 nominal mix using 20 mm graded crushed granite aggregate including mixing, depositing in position, tampering, finishing, curing including all materials & labbour etc., complete all as directed

Disposal of debris generated form chipping of concreting beyond the initial lead of 50m , all lifts and any unwanted material etc., disposal off the same from HSL to the private dumping yard up to 20km lead (not to dump in HSL colony dumping area & surronding areas) it is the responsibility of the firm to ensure no objection shall be raised by muncipal authorties /from any body .If any dispute arises the agency has to sort out at their own risk.complete all as directed

Cleaning of debris/silt etc., on existing path ways and Column Chambers etc., and dispose the same to out side the HSL yard, if any scrap materials like MS angles/ pipes, old electrical fittings, wooden planks etc., dispose to scrap yard. (Nature of work is from 11.00M to 40.00M)

Supply of 110 mm dia UPVC(SWR) rain water downtake pipes conforming to IS : 13592 Type A, jointing with seal ring conforming to IS : 5382, including fixing of clamps, bends, shoes (supreme/ prince make) and removing of old pipe line and handover to disposal section etc., complete

Chip Unsound / Weak concrete material from slabs, beams, of thickness varies from 25 mm to 200 mm., with standard power driven percusision type or pneumatic chiesel of standard make as directed by engineer incharge including tapering all edges, making suare shoulders of cavities etc., complete and disposal of debris up to a lead of 50 mts and all lifts and all as specified and directed by Engineer.

Clean the Rust, over and behind a reinforcement bars by manual methods hammering the rebar, using wire brush, chesieling to form a totally rust free finishing surface through out the Length of bars Complete all as directed.

Supply and apply the NitoZinc primer of Fosrock make to the existing prepared surface of reinforcing bars to protect from corrosion complete all as directed.

Supply and apply of Nitto bond EP chemical of fosroc make to the existing concrete surface for bonding after cleaning and brushing of surface complete all as directed by the engineer.

Provide and place in position Micro Concrete (M-40) which shall be cement based prepacked component such as Rendrock-RG of Fosrock make or equivalent mixed with 6 mm size coarse aggregate in specified percentage by weight subjecting to the maximum of 50% as directed by the engineer incharge including mixing with siutable and approved mixing machine, pumping of concrete under pressure where ever required to ensure that the concrete laid for encasement is dense, properly compacted, free from honey combs, and necessary scofolding as directed by the Engineer in charge.

Drilling of holes of dia 16 mm to 20 mm by using Electrically operated machine or any other equipment in existing plain or reinforced cement concrete up to a depth of 150 mm to 200 mm, fixing the reinforcement in position by grouting "Lock Fix" of Fosroc make or Equivalent including cost of labour, tools & plant, and necessary scafolding but excluding cost of reinforcement bars which will be measured under item No:5 complete all as directed.

Supplying and fixing of Fe 415 grade HSD bar reinforcement in position including the cost of steel, transporting the same to the site of work, straightning, cleaning, cutting, bending, to the required shapes and lengths as directed by the Engineer-incharge, bindidng with 16 SWG black soft annealed bindidng wire or welding wherever required at every intersection, supplying and placing with proper cover blocks, supports, chairs, over laps etc., for all heights and depths and necessary scafolding and all as specified and directed by Engineer

Provide and fix water leak proof centering and shuttering to beams, deck slabs, chajjas, concerete walls etc., including application of approved form release coating, strutting, bracing, propping, etc., keeping the same in position during concreting and removal of the same in position during concreting specified period etc for straight / inclined shuttering, keeping necessary provision for inserts, projecting dowels and necessary scafolding and all as specified and directed by Engineer

Supply and application of concrete curing compound to the finished concrete surface immediately after stripping the form work with CONCURE-WS of Fosrock or its equivalent approved by Engineer in Charge as per the manufacurers recommendations and as directed including necessary scafolding.

Application of Solvent Based Aliphatic acrylate anti carbonate protective coating on the finished concrete surface with approved products / Brands &Shades like FOSROC / Sika/ Berger or any other approved eqalitient brands including one Coat of surface primier complete all as directed by the engineer.

Disposal of debris generated form chipping of concreting beyond the initial lead of 50m , all lifts and any unwanted material etc., disposal off the same from HSL to the private dumping yard up to 20km lead (not to dump in HSL colony dumping area & surronding areas) it is the responsibility of the firm to ensure no objection shall be raised by muncipal authorties /from any body .If any dispute arises the agency has to sort out at their own risk.complete all as directed.

Injecting epoxy based, non shrink resin grout by pressure grouting in to the cracks including all materials and labour etc., complete

THREE STAR CONCRETE TECHNOLOGIES