Renovation and Modernization Work of Steam Turbine Building of AGBPS, NEEPCO Ltd., Bokuloni, District Dibrugarh, Assam.

Amount

Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer in -charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once, irrespective of duration of scaffolding.

Providing & Applying a multicoat, anticorrosive, Priming, Epoxy and Polyurethane paint on Structural metal surface. Scope of the work: Cleaning of the existing structural metal surface by manual method using emery papers, grinding wheels and necessary power tools. All consumable such as Safety belts Emery paper, Grindings wheels, wire brush, painting brush etc. will be in applicator’s scope. 1) Priming coat: RUSTO Cap, DFT-80 micron (one layer) from Asian paint. 2) Epoxy paint: Asian epoxy H.B finish, DFT 50 micron (one layer) from Asian paint. 3) Polyurethane paint: Apcothane CF 675 from Asian paint DFT 40 micron (one layer) excluding Scaffolding work.

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix).

Providing and inserting 12 mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diameter (20 mm to 30 mm) upto depth from 30 mm to 80 mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge.

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks / honey-comb area of concrete / masonry by suitable gun / pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge.

Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used modified Cement slurry made with non shrink compound in concrete / RCC work.

Epoxy injection grout in concrete / RCC work of approved make.

Application: Providing and applying 3 coats of Fosroc Brush bond roof guard, single component acrylic polymer Brush bond roof guard, single component acrylic polymer modified reinforced high build water proofing compound after priming on the roof to get a minimum dry thickness of 1 mm as per manufacturers specification. No toping required over the grading. The cured membrane should exhibit the tensile strength of 1.1 Mpa as per ASTM 0412 with elongation 100% as ASTM D12 with very low penetration to rapid chloride as per ASTMC 1202-03 with pull of Adhesion 0.92 Mpa as per ASTM D4541. The cured membrane should also have resistance to algae growth as per ASTM 05589-97 with permeability of 5 mm as per BSEN12390 Part8, with water vapour transmission 6Kg / Sqm/h as per BSEN 12390 part 8.

Guniting concrete surface with single component, fibre reinforced shrinkage compensated, polymer modified structural grade repair mortar like Fosroc Renderoc SP 40 or equivalent at a thickness of 25 mm. The repair mortar should have a compressive strength 45N / mm², flexture strength 7N/mm² and tensile strength 2.5 N/mm² at 28 days.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Supplying fixing and fixing approved uPVC pipes of different sizes, with all necessary 'R' brand or approved uPVC Fitting such as bend, tee, elbow, reducer, nipple, plug, long screw fitting, clams etc. complete at all levels including above G.L as directed and specified.

150mm Nominal Dia pipes.

80mm Nominal Dia pipes

DDismantling G.I pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in charge.

15 mm to 40 mm nominal bore

Above 40 mm nominal bore

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications: Two or more coats applied on walls @1.25 ltr / 10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm.