8380 CERTAIN BR REPAIRS INCLUDING WOODEN COPING AND PAINTING AT SBW JETTY AT ND MB UNDER GE NW KUNJALI

Amount

Demolition of cement concrete in ground floor and paving any thickness below or above ground level unreinforced complete all as specified and directed

Material and labour for PCC, M40 grade ready mix concrete work in pavement / hard standing of flexural strength 40Kg/Square cemtimetre in field using 500 kg of cement per cubic metre complete all as specified and directed

M&L for taking down, chipping and removing the loose, spilt, damaged cement concrete, cement mortar surfaces of RCC Columns, beams, walls, chajjah etc and exposing the reinforced cement, wire brushing and cleaning the exposed steel reinforced bar, applying rust remover over the cleaned rebar surface wash the rebar with clean water for removing all rusts from the old rebar surfaces, fixing new reinforcement to strengthen the members as required, applying two coats of epoxy zinc primer on new and old steel surfaces, saturate the substrate with water applying one coat of polymer modified bond coat on affected concrete surfaces and finally providing polymer modified cement and quartz sand mortar in CM 1:3 mix, 40mm thk in two coats, using polymer as per manufacturer's instructions and including scaffolding upto any height complete all as specified and directed. Make : Dr. Fixit/Sunanda/chemestik/Fosrok Note :- New reinforcement and MS Sections will be measured and paid separately

M&L for taking down, chipping and removing the loose, spilt, damaged cement concrete, cement mortar surfaces of RCC Columns, beams, walls, chajjah etc and stone/concrete in jetty , dock, retaining wall, piers of jetty and bottom portion of deck slab etc above sea including all necessary equipment such as scaffolding etc and exposing the reinforced cement, wire brushing and cleaning the exposed steel reinforced bar, applying rust remover over the cleaned rebar surface wash the rebar with clean water for removing all rusts from the old rebar surfaces, fixing new reinforcement to strengthen the members as required, applying two coats of epoxy zinc primer on new and old steel surfaces, saturate the substrate with water applying one coat of polymer modified bond coat on affected concrete surfaces and jacketing around columns/beams / other RCC members with Micro concrete (Mokith-MC) including all lifts, shuttering, drilling holes and fixing shear anchor/deficient reinforcement as per manufacturer's specification and including scaffolding upto any height complete all as specified and as directed. Note : Reinforcement shall be measured and paid separately. (Rates quoted shall be including jacketing, formwork and micro concrete). Make :- Dr. Fixit, STP, Fosroc as approved.

M&L for replacement of steel reinforcement with TMT bars of appropriate size where 30% of cross section is reduced including dismantling of rusted steel including application of rust converter FEOVERT and applying protective coating IPNET-RB complete all as specified and directed

Providing and fixing additional main steel bar or stirrups of designed diameter in various structural elements like column ,beams and foundations including drilling, bending and fixing the bars with epoxy putty etc. complete (Steel provided on the basis of 1% of volume of concrete).

Demolition of cement concrete in coving above Chajja, canopy etc including removing loose particles and cleaning the surface with water after brushing with wire brush etc and including scafolding upto any height complete all as specified and directed.

M&L for PCC (1:5), type B0 using (12.5mm graded stone aggregate) as in coving above Chajja, canopy etc and including scaffolding upto any height complete all as specified and directed.

Complete removal of existing water proofing treatment upto concrete surface of roof slab including cleaning, wire brushing, watering, removal of debris upto 15km distance as directed by Engineer-in-charge complete all as specified and as directed

M & L PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) as in roof/chajja padding for maintaining roof/chajja slope complete all as specified and as directed

M&L for applying oil bound primer @ 0.40 Litre/Sqm manufactured by the same agency as that of APP with density of 0.87 to 0.89 Kg/Litre at 25 degree celsius on the prepared dry roof surface and provide and lay 4mm thick APP modifed water proofing membrane reinforced with non-woven polyster matt with physical properties as given in particular specification. The laying shall got be done through authorized applicator of manufacturer as specified in particular specifications. Provide over the membrane finishing with two coats of solar reflective bituminous aluminium paint @ 0.10 Kg/sqm as prescribed by manufacturer of membrane including Ten years guarantee on prescribed form complete all as per particular specification , manufacturers instructions and as directed by Engineer-in-Charge. Note : Rate inclusive of taking down and re fixing of existing lightning arrestor system including provision of new PCC block for damaged PCC block and disconnecting water tank,water connection pipe and refixing the same complete as directed by Engineer-in-charge

M&L for brushing neat cement slurry with 3Kg of cement per square metre all as specified and directed.

M&L for rendering 20 mm thick cement plaster in CM (1:3) on roof top surface finished even and fair including WPC by weight of 3% of total cement content complete all as specified and as directed. Note : WPC will be measured separately

Supply only integral water proofing compound

M&L for Injecting of site mixed cement slurry grout, mixed in specified proportion containing cement, sand water with addition of plasticizers (approved make) & migratory corrosion inhibitors, water cement ratio shall be varied between 0.5 to 1.0 for each hole, shrinkage compensating cement slurry mixed to a lump free fresh creamy consistency, Mixing shall be done by mechanical mixer continuously stirring mechanically to keep cement particles in suspension. Injection of approved/specified grout by means of pump at a pressure of 3-5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating and including scaffolding upto any height complete filling of grout in the holes drilled. Make / brand of Epoxy grout - Dr. Fixit Epoxy injection or EPCO KP-HP-250 of M/s Krishna Conchem or Shaligrout EI of STP Ltd.

M&L for Injecting low viscosity (3-5cps) high molecular weight monomer by pressure and using mechanized injector gun with accessories till nozzles refuse to accept the grout, including Mixing of materials : Mixing of material components (part a&b) in the required quantities as per manufacturer's instruction by weigh batching Grouting:Fill the grouting gun with concrete penetrating corrosion inhibitor EPCO-KP-100/Protectsil CIT or Ferogard 903. Maintain desired pressure in the gun by air compressor; maintain the pressure at exit(2 to 3kg/cm2) by monitoring pressure guage at exit Grout the material through prefixed nozzles in the structural elements@ 100ml per nozzle. Repeat the process for all the nozzles.and including scaffolding upto any height

S&F in repairs 1st class hardwood (TEAK WOOD) Plain, solid, straight, rebated on the solid, rounded or chamfered segmental supplied and fixed (wooden planks of size 3000 mm x 300 mm x 150 mm) including MS fastner size as per directed by Engineer-in-Charge including filling the fastener holes/gaps with microconcrete etc., complete all as specified and as directed.

S&F in repairs 1st class hardwood (TEAK WOOD) Plain, solid, straight, rebated on the solid, rounded or chamfered segmental supplied and fixed (wooden planks of size 2000 mm x 300 mm x 150 mm) including MS fastner size as per directed by Engineer-in-Charge including filling the fastener holes/gaps with microconcrete etc., complete all as specified and as directed.

S&F in repairs 1st class hardwood (TEAK WOOD) Plain, solid, straight, rebated on the solid, rounded or chamfered segmental supplied and fixed (wooden planks of size 1000 mm x 300 mm x 150 mm) including MS fastner size as per directed by Engineer-in-Charge including filling the fastener holes/gaps with microconcrete etc., complete all as specified and as directed.

S&F in repairs 1st class hardwood (TEAK WOOD) Plain, solid, straight, rebated on the solid, rounded or chamfered segmental supplied and fixed (wooden planks of size 500 mm x 300 mm x 150 mm) including MS fastner size as per directed by Engineer-in-Charge including filling the fastener holes/gaps with microconcrete etc., complete all as specified and as directed.

M & L 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.

S & F MS plate 5mm and over as open drain covers with 02 Nos of 150mm handle in each plate etc complete all as specified and directed.

M&L for epoxy base joint filler paint on external surfaces of walls/floor to fill the cracks with and including resin and hardner in proportion as per manufacturers instructions complete all as specified and as directed Make : Pidilite / Fosroc / Chemistik or equivalent

M&L for applying thermoplastic paint in letter writing, Nos, Dashes, Arrow etc all as per manufacturer's instruction and all as specified and as directed. (Note:-Size, Design and Font as per directed.)

M&L for preparation of new decorated wooden surfaces of any description over 10 cm width or girth, applying two coats of synthetic enamel paint of approved colour over a coat of pink primer all as specified and directed.

M&L for preparation of old wooden surfaces of any description over 10 cm width or girth, applying a coat of synthetic enamel paint of approved colour all as specified and directed.

M&L for preparation of new steel surfaces exc 10 cm width or girth and applying two coats of epoxy paints over a coat of red oxide primer complete all as specified and directed.

M&L for preparation of old steel surfaces exc 10 cm width or girth and applying a coat of epoxy paints complete all as specified and directed.

Material & labour for cleaning the surface of the stone/concrete in jetty, dock, retaining wall, piers of jetty and bottom portion of deck slab etc above sea with mechanical grinder and specialized water misting techniques applying water jet using a fine nozzle sprinkling system calibrated to spray a fine mist along the stone/concrete surface complete and removing all sea vegetation complete all as specified and directed by Engineer in charge. Note:- Quoted rate shall be inclusive of scaffolding or alternative way of carrying out the work with proper safety instruction required at site.

Material and labour for applying two coats of preventive coating (minimum thickness 150micron) to protect against attack of acidic gases, sulphate , chloride, carbon dioxide, like DEKGUARD S of FOSROC, SIKA or equivalent over a coat of primer DEKGUARD of FOSROC, SIKA or equivalent as per manufacturer's instruction over concrete surface in jetty/dry dock above sea level complete all as specified and as directed. Note:- Quoted rate shall be inclusive of scaffolding or alternative way of carrying out the work with proper safety instruction required at site.

Material & labour for application of one coat of solvent free Epoxy primer coat on floor using with composition of BECK BOND EP17A, BECK BOND EP17B in the ratio 100:50 parts by weight. Epoxy primer (or equivalent in K2P chemical, Polus Epothane as approved) shall be homogeneous mixed, achieved by using a mechanical stirrer machine with agitator blades or alternatively a drill machine with a paddle stirrer. Primer shall be applied at coverage of 3 to 4 Sqm per kilograms per coat of epoxy primer all as per manufacturer's instructions & as directed. Thickness of primer coating shall be as per manufacturer's instructions and as directed

Material and labour for applying of finishing coat of 1 mm thick comprising of BECK BOND SLF 36A,BECKBOND SLF 36B, CP360 and SILICA POWDER 200 in the ratio 100:55:7:210 parts by weight using epoxy colour pigment and High Glossy finish over 1mm thick underlay coat on surfaces of priming coat comprising of BECK BOND DOBECOCKOT 5022 ,EH460, SILICA POWDER 100 AND FCA 460 in the ratio 100:100:400:10-20 by weight or equivalent in K2P chemical, Polus Epothane as approved complete all as per manufacturer's instructions & as directed

Material and labour for application of one coat of polyurethane based coat on floor using with composition of BECK BOND PU25A and BECKBOND PU25 B in the ratio 100:10 parts by weight which shall be homogeneous mixed, achieved by using a mechanical stirrer machine with agitator blades or alternatively a drill machine with a paddle stirrer. Primer shall be applied at coverage of 3 to 4 Sqm per kilograms per coat of polyurethane all as per manufacturer's instructions & as directed. Thickness of coating shall be as per manufacturer's instructions and as directed. Note for item Nos 31 to 33 :- The work shall be carried out by authorised applicator of approved firm only. Regarding sample approval bidder shall visit the site of work where sample patch of coating is marked before quoting of tender. The coating chemical shall be approved by GE in consultation with users i.e. (GM) tech of ASD, Naval Dockyard, Mumbai, whose decision shall be final & binding in this respect. Necessary guarantee shall be also submitted by the contractor in writing as specified in PS

Shree Ayyappa Engineering

m/s ashoka enterprises

jalandhara construction

sai construction

M/s S.D Construction Co

RAJENDRA CONSTRUCTION

Pragathi Infrastructure Co.