STRUCTURAL STRENGTHENING OF FIRE EXIT LADDERS NEAR OPD BLOCK IN HOSPITAL BUILDING AT AGE I ASVINI

Chipping ,removing carefully concrete work by low impact hammer ,breaker without damaging the structure & cleaning and disposal of debris out side the premises etc. complete as directed by Engr-in-Charge. Hard concrete should not be removed by force.

Taking down cement plaster, any description on brick or stone surfaces, etc including racking out joints hacking for key scrubbing down with water etc and removal of debris outside MD land.

M&L for rendering 10 mm thick on fair faces of brick work or concrete surfaces of any description in CM (1:3)with Ready mix plaster mixed with integral water proofing compound and finished even & smooth without using extra cement completed all as specified. (Note : WPC will be measured and paid separately)

Supply only water proofing compound of approved make

M & L for clean existing reinforcement with wire/ rotary wire brush, making the surfaces free from loose material dirt etc. complete, Applying two coats of alkaline rust converting primer FEOVERT of Krishna Conchem of Roff rust cleaner of Piddilite or Dr Fixit Rust removal or sholirust of STP Ltd. on the rebars,including cleaning the reinforcement ,wirebrushing to remove loose rust spalls, wash the rebars with clean water within 3 min and wipe it dry.

M & L for providing and fixing additional steel bar or stirrups of diameter in variuos structural elements like columns,beams and foundations including drilling,bending and fixing the bars with epoxy putty etc. complete as directed by Engr-in-Charge.

M & L for applying two coats of anticorrosive Treatment to Reinforcement by application of two coats of anti-rust protective coating in the form of Acrylic Polymer with a minium splid content to 40% solid mixed with cement in 1:1.5 proportion ( 1 part polymer and 1.5 part cement) on rebars after cleaning of rust scales with time interval of minimum 4 hours between each coat by brush as per manufacturers instruction.Anti-rust protective shall be procured from one of manufacturer given below.

M & L for providing and applying structural grade EPIBOND-21-LP prior to application of any type of mortar plaster conforming to ASTM-C-882-91 (Arizona Slant Shear Test) to ensure bond between old concrete and new concrete all complete as directed by Engr-in-Charge.

M & L for building up the profile of structural members by using latex B2 modified air cured mortar system in damaged areas (1Cement-3 part graded cleaned pre-packed river sand 10% latex mortar by weight of cement-0.5 w/c ratio) upto 20 mm to 40 mm thickness including leveling profiling and removing and cleaning existing vegetation growth in structural and Non structural items all complete etc. all complete as directed by Engr-in-Charge.

Demolition of stone slabs and tiles with screed bed of any description or thickness in floors, aprons etc.and removing debris out side MD land. Note: The place of disposal shall be find out by the contractor.

M&L Machine cut Kota stone slab flooring /steps 20-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing with rounding the edges complete and including 20mm thick screed bed in CM(1:6) complete all as specified and as directed by Engineer In Charge

Ditto all as per item No 11.00 above but in riser of steps, skirting, dado and pillar etc including 10mm thick backing coat in CM 1:4 complete as directed

M & L for prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering fixed with self tapping screws as specified.

M& L for rolled MS section (Fe 410-(grade 250)quality A) for roof trusses (framed) including trussed purlines,posts,brackert framing for beam,tees,angle,channel,or flat sections including distance pieces cleats etc

M&L preparation of new steel surfaces of any description and applying two coat of synthetic enamel paint over one coat of red oxide primer over 10cm width or girth complete all as specified and directed.

M & L for water proofing treatment of external walls by applying two coats of elastomeric external acrylic water proofing coating material over a coat of primer after sealing all cracks with acrylic sealing compound as per the manufacturer’s specifications and directions . complete all as specified & as directed by EIC. (Note :- work will be carried out with scaffolding all over bldg upto G+6 floor of wall. Rate of scaffolding & elastomeric acrylic based exterior paint is included in this item).

M&L for providing and fixing stainless steel (Grade 304) railing made of hollow tubes,channels,plates etc including welding ,grinding,buffing,polishing and making curvature (whereveer required) and fixing the same with necessary stainless steel nuts and bolts complete including fixing the railing with necessary accessories & stainless steel dash fastners ,stainless steel bolts etc of required size ,on the top of floor or the side of waist slab with suitable arrangement complete all as specified and directed.

Note: The work has to be carried out in G+6 storey building in both accessible and in accessible areas. Necessary arrangements for scaffolding and conveyance shall be arranged by the contractor