ADDITION AND ALTERATION AND SPECIAL REPAIR TO LIFT MACHINERY ROOM AND WELL AREA OF CERTAIN MARRIED ACCOMMODATION AT NAVAL STATION KARANJA

Amount

Material and labour for brushing neat cement slurry with 3 kg of cement per sqm complete all as specified and as directed by Engr-in-charge.

Material and labour for PCC 1:2:4 type B2 (Using 12.5mm graded stone aggregate) as in concrete padding (over roof slab) laid to required slope including finishing the concrete surface fair and even without using extra cement complete all as specified and as directed by Engr-in-charge.

Material and labour for 10mm thick screed bed or bedding layer of mortar in cement mortar 1:4 for laying roof finish as padding finished with WPC 3% by weight of total cement, complete all as specified and as directed by Engr-in-charge. Note: WPC shall be measured and paid separately.

Complete removal of existing water proofing treatment of any description and in any position including cleaning, wire brushing, watering, removal of debris upto 1500m distance. Surface to be cleaned thoroughly using mechanical tools and to be made free of dirt, oil. All cracks be repaired by cutting "V" groove and filling the gap using repair mortar Fibre Reinforced Polymer. Providing 75X75mm Coving/ angle fillet using the above repair mortar using Latex Based Bonding Agent as bond coat. All construction joints be opened 15X15mm and treated with repair mortar Fibre Reinforced Polymer. Honey combing to be pressure grouted with No Shrink cementatious Injection Grout. Water Proofing Application: The surface shall be free from standing water. Priming the surafce with UV stable Polyurethane water proof liquid membrane at 400gm/sqmt diluted with water 1:1. Applying 1st coat of ShaliPrime WP WB at 400gm / Sqmt. Then applying 1st coat of UV stable Polyurethane water proof liquid membrane White at 1Kg/Sqmt. Placing 40 Gsm Geotextile / FG Tissue as reinforcement followed by 2nd coat of UV stable Polyurethane water proof liquid membrane at 1kg/sqmt. Ensuring final curing of 36hrs before carrying any further work. Extending water proofing treatment and terminate at the top of the edge of the parapet wall. Sealing the Groove using repair mortar complete all as specified and as directed by Engr-in-charge. Note: In case of foot traffic for maintenance purpose, a separate walkway of 1m to be made with 40mm interlocking tile over Geotextile Make: ShaliUrethane BTD of M/s STP Limilted/ Sec-I PU500 of M/s SG Corporation/ Impermo 3002 of M/s Pratham Enterprises/ Opty D5HDPU of M/s Optimus Chemicals

Taking down cement plaster on walls etc, at any height, including racking out joints, hacking for key, scrubbing down with water, etc complete all as specified and as directed by Engr-in-charge.

Material and labour for 20mm thick polymer modified ready mix cement based plaster external surfaces complete all as specified and as directed by Engr-in-charge.

Material and labour 15mm thick polymer modified ready mix cement based plaster on internal surfaces complete all as specified and as directed by Engr-in-charge.

Material and labour for preparation of new plastered surfaces of walls including washing, rubbing down and stopping of nail holes and applying two finishing coats of acrylic emulsion paint on walls over a coat of primer complete all as specified and as directed by Engr-in-charge.

Material and labour for providing and laying of 1mm thick wall care putty on walls complete all as specified and as directed by Engr-in-charge.

Material and labour for providing and laying of 2mm thick wall care putty on walls complete all as specified and as directed by Engr-in-charge.

Material and labour for new surface exterior wall decorating and water proofing treatment to wall surface by wire brushing in order to remove dust, dirt, loose particles, laitance. Thereafter wash the surface with clean water and allow to dry. Fill visible cracks/ joints by chemistic crack seal caulking compound and allow to dry for 24 hours. Apply a primer coat of chemistic prime M seal (water based primer) and allow to dry for 6 hours. Thereafter apply 2 coats of chemistik PDS-50 (water based high build anticorrosive coating cum waterproofing) and shade by brush at the interval of 8 hours between the coat and allow to dry to match the existing shade including necessary scaffolding for any height, covering etc., complete all as specified and as directed by Engr-in-charge.

Material and labour for old surface exterior wall decorating and water proofing treatment to wall surface by wire brushing in order to remove dust, dirt, loose particles, laitance. Thereafter wash the surface with clan water and allow to dry. Fill visible cracks /joints by chemistic crack seal caulking compound and allow to dry for 24 hours. Apply a primer coat of chemistic prime M seal (water based primer) and allow to dry for 6 hours. Thereafter apply 1 coat of chemistik PDS-50 (water based high build anticorrosive coating cum waterproofing) and shade by brush at the interval of 8 hours between the coat and allow to dry to match the existing shade including necessary scaffolding for any height, covering etc., complete all as specified and as directed by Engr-in-charge.

Removal of water and cleaning of existing well from inside surfaces by scraping down walls and bottom surafce using steel wire brushes to remove all disputation /fungus, other micro-organisms etc., using light hammer and wire brushes, taking out and removing sediment loose dirt /mud sludge, vegetation and other foreign materials completely from the internal and external surface of tank disposal of all the waste /soil to ouside MOD and washing repeatedly with acid based material, corrosion inhibitors and dispersing agents solution inside surfaces of tank with water and washing with clean water thoroughly and preparation of the surface to review new plaster complete all as specified and as directed by Engr-in-charge.

Material and labour for removing of the cavities roughening the smooth surfaces, scrapping out/ removing corrosion all loose /scale /rust etc., from the visible reinforcement by applying oxide remover and cleaning the steel reinforcement properly and then applying polymer modified primer as per manufacturers instructions of exposed and new steel reinforcement complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec/ Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd

Material and labour for filling blow holes and repair the cracks using cementitious crack sealer (thixotropic, solvent free, three component compound based on epoxy resins) cracks should be opened and filled in v-groove manner. Sealer should have density of 1.64-1.68 gm/cc, comprehensive strength at 7 days -50 N/mm2 complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec/ Thermax Ltd/ Kryton Build Mat Pvt Ltd/ SNI Infratech Pvt. Ltd Notes for ser item Nos 11 to 15 and 17 to 26: (a) Tenderer shall employ skilled manpower who has experience in the field. The tenderer shall furnish the following:- (i) Manufacturers test certificate with name of manufacturer and details of orginal product. (ii) Test certificates from any approved laboratory as directed by GE. The testing charges shall be borne by the tenderer. (b) Quoted rate shall be inclusive of all material, labours, tools and plants, scaffolding and working upto 20m to 25m height. (c) Adoption of necessary safety arrangement like safety belts, ropes, helmets, netting etc., which are required for saftey of working at height exc 3m to 25m height shall be mandatory and deemed to be inclusive on quoted rates.

Material and labour for providing and fixing welded MS wire mesh weighing not less than 1 kg/ sqm on the prepared surface which should be cleaned and should be removed from dirt, fungus and all foreign materials complete all as specified and as directed by Engr-in-charge.

Material and labour for high strength epoxy resin based injection grouting, automatic NRV packers in all surfaces from all access side distance of injections will be 500mm c/c in matrix pattern until is submerged in dampness of chemical. Injection grouting using two component grouting polymer having low viscosity, high molecular weight, thermo setting to reach very deep pores, voids, cracks and honeycomb in the concrete, specific gravity of which shall be 0.95, pH of 2-4, viscosity of 20-25 sec by B/4 ford cup and having curing time of 30-90 minutes area by suitable gun /pump at required pressure (100 bar to 150 bar) including cutting of nipples after curing etc and sealing the nozzles with epoxy putty and preparing the surface to match with the existing surfaces complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd

Material and labour for TMT bars 8mm dia and over as in reinforcement cut to length, bent to shape required including cranking bending spirally for hooping for columns, hooking ends and binding with and including MS annealed wire not less than 0.9mm dia complete all as specified and as directed by Engr-in-charge.

Material and labour for providing and applying single component cement based free flowing grouting with 10mm washed aggregates. The grout shall be having non shrink property and a positive expansion upto 1% the plastic state and a flowing 3m at head of 250mm for a gap with of 50mm. Developing a compressive strength of 25 Mpa in 1 day and 60 Mpa 28 days shall not be bleed or segragate, having a min pot life of 20 miniutes after which expansion shall be start and shall be also developing a flexural strength of min 10 Mpa and bond strength of 10 Mpa. It shall resistence of dynamic load and specimens shall not get damaged/ crack being subject to alternate load of 5 Mpa to 25 Mpa at 500 cycles per min 2 Mio cycles. It shall be chloride free and creep resistant with epoxy bonding against having mix density of 1.45 to 1.5 kg /ltr, compressive strength (BS 6319 PT 3) - 40 Mpa at 7 days bonding strength (ASTM C881) - 11 Mpa at 7 days having an overlay time of 3 hours at 30 degree celcius pouring cementitious grout into the form work using suitable arrangement of it required using pumping device for and it bottom shuttering complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd.

Material and labour for applying epoxy resin based concrete bonding agent for proper bonding between old surface with micro concrete/ new concrete. The bonding agent shall be a two component solvent free epoxy supplied and ready to use at site. The product shall have a min pot life of 120 min at 35 degree /C and open time at least 4-6 hours @ 30 degree /C which new concrete can be poured. It shall develop a min compressive strength of 40 Mpa and a bond strength of 11 Mpa complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd.

Material and labour for applying 25mm screed with portland cement based structural polymer mortar compound mixed with cement and sand at site to produce a thixotropic mortar applied by shortcrete /gunitting machine. It should be physically and chemically compatible with the host concrete. To deposit this mixture on the concrete surface under a pressure of about 20 to 30 N/cm2. De-laminated, weak, damaged and deteriorated concrete and where necessary sound concrete shall be removed by suitable mechanical or very high pressure water blasting techniques (upto 110 MPa). The nozzle is generally kept at a distance of about 750mm to 850mm from the surface to be treated and the velocity of nozzle varies from 120 to 160 m/sec, thickness of the individual spray layers between 25 to 30mm complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd

Material and labour for providing and spraying white, pigmented, wax based dispersion compound incorporating a special alkali reactive emulsion breaking system compound (comply with ASTM C309-90) over the plastered surface. This impervious film prevents excessive water evaporation which in turn permits more efficient cement hydration, thus reducing shrinkage and increasing durability. It shall have a specific gravity of 1.02 and the minimum application temperature shall be 10°C and shall have a coverage of 8-10m² /litre /coat complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd.

Material and labour for applying two coats of thixotropic epoxy protective coating with high chemical resistance on the water retaining portion. The coating should be applied on the cured surface after removing loose dust, dirt etc., cleaning, mixing using slow speed electric drill. The coating should be applied @ thickness of 100 microns. It should be applied with a suitable stiff nylon type brush complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd

Material and labour for applying polymer modified primer for steel having MuCis technology and which is a blend of portland cements, graded fillers, corrosion inhibiting additive, and re-dispersible polymers in powder form that when mixed with water forms slurry for application by brush to cover exposed reinforcement. The product shall achieve an adhesion bond strength of 1 Mpa to steel. It has got a pot life of 30 minutes @ 30°C. The touch-dry time shall be 10-15 minutes @ 30°C. The mixed density shall be 2.01-2.05. The water /powder ratio by weight shall be 0.3. It shall achieve coverage of 2 kg /sqm @ 1mm thickness, applying on visible reinforcement surfaces to form a continuous film not less than 1mm thick and preparing the surface to receive concept of epoxy grout mortar act including providing necessary proportions, bracing and runners to relieve the members from the load coming on it including scaffolding with working platform as required and as per design and pattern including preparing the surface to match with the existing surface complete all as specified and as directed by Engr-in-charge. Make: Carlisle Syntec /Thermax Ltd /Kryton Build Mat Pvt Ltd /SNI Infratech Pvt. Ltd

Supply and fix for framed work such as grills, gratings, etc., with ends of bars shouldered and /or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and as directed by Engr-in-charge.

Material and labour for preparation of new steel surfaces of any description, over 10cm in width or girth, not otherwise described and apply two coats of anticorrosive paint over a coat of primer complete all as specified and as directed by Engr-in-charge.

M/s Vishwakarma Enterprises

Shri Krishna Trading Corporation