Maintenance, Painting and Replacement of Damaged Steel Structural Members at Mag and Non Mag Godowns

Dismantling and removing AC sheet roof / side cladding at all heights using proper tools and plants without damaging the adjacent structures, lowering carefully and stacking materials useful for reuse at convenient place as directed by the company authorities and depositing the waste materials in the scrap yard including all labour charges, hire charges for tools and plants, loading unloading charges, providing necessary scaffolding etc complete as per standard specification.

Providing temporary supports and dismantling and removing damaged steel structures such as MS angles, channels, plates etc of Beams, columns , trusses, purlins, side cladding etc at all heights using proper tools and plants without damaging the adjacent structures Including providing temporary supports for the structure at dismantled portion and nearby structures by using departmental steel and contractors tools & plant like deric etc, lowering the dismantled items carefully and stacking materials useful for reuse at convenient place as directed by the company authorities and depositing the waste materials in the scrap yard including all labour charges, hire charges for tools and plants, loading unloading charges, providing necessary scaffolding etc complete as per standard specification.

Supply fabrication and erection of steel structures welded or bolted in built up/single sections for columns trusses, latice beams , purlins,ties, bracings, platform supports, stair case, handrails etc for replacement of damaged steel structures with MS angles, channels, joists,plates etc including cost and conveyance of all materials , all labour charges, cost of all consumables, labour charge for applying one coat Marine primer-(Red/Yellow colour) and over a coat of enamel paint, dismantiling & removing temperary support provided for replacement work etc. complete as per standard specification. ( MS items Visaku, Jindal,sale , Tata or equivalent make with ISI mark)

Supply and fixing with AC corrugated Roofing / side clading sheet with fixed with suitable size Zinc phosphated galvanised and polymer coated J or L bolts With washer including necessary overlap of 150mm at ends including all cost conveyance of all materials , loading & unloading charges ,all labour charges hire charges for tools and plants, dismantling and removing existing damaged roof sheets, dismantling and replacing the sheets of nearest bay for easiness of the work and removing the same if necessary etc complete as per standard specification. (AC sheet make: Everest/ Ramco or equivalent with ISI mark)

Painting the steel structural works such as columns, trusses, purlins, tie beams, bracings, VG clamps, gratings etc with two coat enamel paint (Two different colours) over a coat of marine primer of approved qualiy after through surface preparation at all heights& levels including all cost and conveyance of materials, labour charges, loading unloading charges, hire charges for tools and plants, providing necessary scaffolding & covered of machinery with tarpalin , etc complete as per standard specification. (Paint make: Berger/ Asian/Nerolac/ ICI or equivalent make ) (All the materials, tools & plants, tarpaulin etc required for the above shall be supplied by the contractor)

Chipping and removing the portions of the existing damaged RCC encasement of column carefully without damaging the remaining structures including disposal of debris within a distance of 150 M etc complete as per standard specification.

Plain cement concrete 1:1.5:3 (M:20 grade) using 20mm hard broken stone for encasement of columns at all height and levels including cost and conveyance of all materials hire charges for shuttering,labour charges for mixing, placing, watering, curing,labour charges applying already supplied , epoxy bonding agent to existing concrete surface, concrete hardener etc,hire charges complete as per standard specification but excluding cost of cement.

Supplying and stacking ISI mark best quality portland cement (OPC/PPC) approved make including all cost and conveyance of materials, loading and unloading charges etc complete (Payment will be made only for actual quantity of cement consumed)

Supply and fixing AC Barge boards for roof / side cladding AC barge boards with Zinc phosphated galvanised and polymer coated J or L bolts With nuts & washer and cap at all heights and levels including,making the ends of sheets in correct lines and levels ,conveyance of materials, loading & unloading charges ,all labour charges ,hire charges for tools and plants,providing necessary scaffolding/ safety arrangement equipments for the work etc complete as per standard specification. (Everest,vishka, Ramco make )

Supplying and fixing AC corrugated ridge with Zinc phosphated galvanised and polymer coated J or L bolts With nuts & washer and cap at all heights and levels including cost and,conveyance of all materials, loading & unloading charges ,all labour charges ,hire charges for tools and plants,providing necessary scaffolding/ safety arrangement equipments for the work etc complete as per standard specification. (Everest,vishka, Ramco or equivalent make

Supplying and fixing FRP Vallygutter, 600mm width, central height of 250mm , minimum wall thickness 6mm , trapezoidal shape suitable to existing site condition, providing necessary stiffeners at regular interval ( approx .1.20 m centre to centre ) to prevent sagging, fixing just below the edge of roof sheet, providing sufficient slope towards both ends in to the rain water drain pipe. The gutter shall be made using isophthalic resin, glass fiber

mat, surface mat & resin coating at top ( grey colour ) on exterior surface, each gutter of length 6 m to 8 m approx, proper overlapping at joints. The end of roof gutter shall have outlet nozzle/ end drop of approx, size 150mm dia, 200 mm long at both end to suit PVC drain pipe, end stoppers, jointing them in PVC rain water down take pipe using same type of FRP resin, , glass fiber should be smooth finish without any defects. All the joints shall be lined with additional layers of glass fiber mat & resin and make the joints leak proof necessary scaffolding etc all required for the completion of the work and as directed by Engineer - in - charge with prior approvil. the adjustable MS threaded bolts of required size& length shall be provided under the existing purlin to make sufficient slope towards the end of drain. including cost and conveyance of all materials, labour charges,for cutting shaping conveyance & lead & lift & fixing FRP VG, hire charges for tools and plants,providing necessary scaffolding platforms etc complete as per standard specification.

The FRP coating work schedule as specified below a) Supplying and applying two coats of FRP coating on various surfaces, including AC roof sheet joints, bolt holes, ridge, boundary wall gutter, and the outside surface of the parapet wall. The coating should be performed using isophthalic resin and glass fiber mat coating at the top. The minimum wall thickness requirements will be determined by the company authorities. The work should ensure leak-proof joints and comply with the instructions of the Engineer-in-charge. b) Surface Preparation: The surface preparation shall involve thorough cleaning using a wire brush or sandpaper to remove existing damaged coating any loose particles, rust, or contaminants. The surface should be clean, dry, and free from any debris before the application of FRP coating. c) Material and Application: a) FRP Coating: The FRP coating material shall consist of isophthalic resin, glass fiber mat, surface mat, and resin coating. The coating shall be applied in two coats to achieve the desired thickness and durability. The color of the top coat should be approved colour as specified. b) Application Method: The FRP coating shall be applied according to the manufacturer's guidelines and industry best practices. The coating should be evenly applied to the designated areas, ensuring complete coverage and adherence. d) Leak-proof Joints: All joints, including AC roof sheet joints, bolt holes, ridge, boundary wall gutter, and parapet wall, shall be made leak-proof using the FRP coating. The coating should provide a reliable seal, preventing water ingress and ensuring long-term protection e) Safety Measures: Necessary safety measures shall be implemented during the FRP coating application. This includes the provision of appropriate scaffolding, platforms, and safety equipment as required by the Engineer-in-charge. f) Cost and Completion: The contractor shall bear the cost of all materials, including FRP coating materials, as well as labor charges, hire charges for tools and plants, and the provision of necessary scaffolding platforms. The work shall be completed as per standard specifications and in accordance with the instructions given by the Engineer-in-charge