Repairs structural reinforcement, water proofing and cleaning of Over Head Tank at SHQ BSF GURDASPUR

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for: Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand)

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement. 12 mm cement plaster

Finishing walls with Acrylic Smooth exterior paint of required shade :New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : Two or more coats on new work

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.With cement mortar 1:4 (1 cement : 4 fine sand)

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to 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. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead : 100 mm dia pipe

Cleaning of exposed concrete surface of sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge.

Providing and fixing in position, 130 mm thick factory made Expanded Polystyrene Core (EPS Core) wall panels consisting of EPS core sandwiched between two Engineered sheets of welded wire fabric mesh duly finished with shortcrete materials on outer faces. The fabric mesh shall be made of 3 mm dia zinc coated G.I. wire mesh with 50 mm pitch in both the directions and on both faces of the wall and connected by GI wire of 3mm dia at alternate row by welding. The EPS core shall consist of 60 mm thick EPS of density not less than 16 kg/ per cum. Both the outer faces of the panel shall be finished by applying the layer of 35 mm thick cement mortar 1:3 {1 cement: 3 coarse sand (not having more than 40% stone chips of size upto 6 mm)} with the help of shotcreting/guniting equipment etc at a pressure not less than 1 bar (100KN/m2) and both surfaces finished with trowel. Fixing operations of wall panels shall be completed in all respect as per drawings and specifications and under the overall direction of the Engineer-in-charge.

Removal of existing treatment including cleaning the surface with wirebrush/ soap etc and applying two coat of Zentrifix Elastic @ 1.75 kg per sqm per coat duly mixed with MC Flex 15 @0.50 kg per kg of Zentrifix Elastic including embedding fiber glass mesh to ensure perfect leak proof surface all complete as per direction of Engineer-in-charge.

Providing & Applying for Providing and Application of cementious based alkalising corrosion -inhibiting protection coating Mapefer 1 K of 2mm thick @confirming as per EN 1504 part 7. Mapefer 1K is an one-component, anti-corrosion cementitious mortar for protecting steel reinforcement rods. Applied in two coats by brush on rust-free rebar, it forms a protective, re-alkalizing layer to prevent corrosion.Technical Properties: Bond strength to concrete by pull off: EN 1542 > 2.0 MPa

Providing & Applying of concrete bonding coat, Eporip, a two-component, solvent-free epoxy adhesive, for bonding fresh concrete to hardened concrete. Provides a strong bond, easy to apply, and resistant to chemicals and water, making it ideal for connecting old and new concrete surfaces in overhead tank repairs. Shear strength: EN 12615 ≥ 6 N/mm² 9 N/mm² Compressive strength: EN 12190 ≥ 30 N/mm² 70 N/mm²

Providing & position micro-concrete (Grade M35) which shall be cement based pre- packet single component, chloride free shrink, free shrink, free flow, self compacting, ready to use after mixing water in specified proportion obtained from approved manufacture as per specification and direction of engineer-in-charge.

Providing and fixing G.I. pipes having wall thickness not less than 4.50 mm and weight not less than 12.20Kg/Mtr, complete with G.I. fittings including trenching and refilling etc. (external work): 100 mm dia. nominal bore

Providing and fixing G.I. pipes having wall thickness not less than 4.50 mm and weight not less than 12.20Kg/Mtr, complete with G.I. fittings etc. (external work): 100 mm dia. nominal bore

Providing and fixing M.S flanged at joints of pipe including rubber washer and titening with nut & bolt and specials including testing of joints in G.I pipes : 100 mm diameter pipe

Providing and fixing G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws, including excavation, refilling the earth or cutting of wall and making good the same complete wherever required :100 mm nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : 80 to 100 mm nominal bore

Providing and fixing gun metal non- return valve of approved quality (screwed end) :100mm dia Horizontal