REPAIR TO DAMAGED LADDERS, PERISHED DUCT COVERS, VENTILATORS /GRILLS, PAINTING TO OLD STEEL FURNITURE AT BOLLARD NO. 91 TO 128 AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Dismantling structural steel work including door, gates, grills & gratings etc complete all as specified and directed.

M&L mild steel plate plain or chequered (Fe-290, Gde E 165) channels, square cut to notch (ordinary or counter sunk forming holes, without any attachment complete all as specified and as directed

S & F structural steel framed work such as angle, channel, I beams, etc cut to shape, including bending and welding angles as necessary confirming to Fe-290, Gde E-165 as in supporting structure of valley gutters, duct covers, platforms and capstan, ladders framed balusters, walk ways, railings, cable duct covers, lifting arrengements with pulleys, nosing angle and similar workscomplete all as specified and directed

M&L preparation of new or previously untreated steel and iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of zinc chrome primer complete all as specified and directed.

M&L preparation of old painted steel surface over 10 cm width or girth not otherwise described and applying a coat of synthetic enamel paint complete all as specified and directed

S&F anodised aluminium grill, made out of anodised aluminium flat / angle / Tees etc as in see face wall including taking out existing steel grill and making good the disturbed surfaces with PCC (1:1.5:3) type A0 using 12.5 mm graded crushed stone aggregate complete all as specified & directed

S&F 50 mm dia(ID), 2 mm wall thickness polished stainless steel pipe of steel grade SS 304 fixed as in railing , horizontal rail/ baluster etc including necessary welding polishing the welded portion /nut bolting as required at sitefor aesthetic look complete including taking out existing one complete all as specified & directed

Material & labour for chipping (20mm to 50mm) of existing damaged, crakced, spalled & loose portion of concrete of the RCC members completely till the reinforcement is exposed and sound concrete is observed by using mechanical means and manual chisels and further the surface is cleaned with water jet, again clean the surface with blower to remove all loose fine particles present in the surfaces and making good the corrogated reinforcement by providing reinforcement / welded steel wire fabric for strenthening the structure by welding or tying with MS wire (anealled ) not less than 0.90mm dia where required and removing of dust and loose particles complete all as specified and as directed. Note: Reinforcement / welded steel wire fabric shall be measured and paid seperately as "supply only rate" under respective items in this schedule.

M&L for preparation of rusted surafaces of steel reinforcement with metal wire brush for cleaning the surfaces free from loose rust and applying of rust remover cum passivator with brush to the rusted reinforcement, and removing rust as flex after 24 hours of application of rust remover with the help of wire brush / sand paper and thoroughly washed the surfaces with the help of water pressure jet and allowing the cleaned surfaces completely to dry completeiy, applyingtwo coats of zinc anti-rust agent as per manufacturer's method of application to reinforcement bar corrosion protection system to old reinforcement of make Fosroc or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASF or any other approved manufacturer of E-in-C's branch as per manufacturer's instruction complete all as specified and directed.( Area of cleaned reinforcement steel bar shall only be measured for payment).

Supply only welded steel wire fabric exc 3 Kg / Sqm not exceeding 4 Kg/Sqm complete all as specified and as directed.

Material & labour applying a coat of Polymer modified cementious bonding coat on the concrete surfaces with one part of Styrene Butadiene Rubber latex emulsion (SBR latex) manufactured by M/s Fosroc chemicals or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASF or any other approved manufacturer of E-in-C's branch with four parts of water and six parts of cement by weight. Coverage of SBR latex-0.25Ltr / sqm for one coat complete all as specified and directed.

Material & laobur for application of polymer modified reinstatement mortar 20mm thick in isolated places of repair works of RCC members with Rendroc S2 of M/s Fosroc make or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASF or any other approved manufacturer of E-in-C's branch having a compressive strength of 40 MPa complete all as specified and directed.

Material and labour for two coats of weather proof acrylic emulsion on new surface of ceilings and walls of galleries including surface preparation complete all as specified and directed.

NOTE: (i) Works shall be executed in a confined area which requires double scaffolding. Contractor should follow OSHA's Working norm in this area. The work shall be executed at any height(upto 20 m height ) Contractor should use double scaffolding for all works and necessary safety gears shall be considered. Contractor's quoted rate is deemed to be inclusive all above mentioned operations/ activities. No extra payment is allowed for these activity

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