REPAIRS TO CHAJJA, FACIA, AND OTHER STRUCTURAL REHABILITATION WORKS AND CONNECTED ITEMS UNDER GE (A) JAISALMER

M&L for applying bond coat cum waterproofing on the prepared old surface of concrete/masonry to receive new polymer mortar/polymer modified mortar with two coats of Slurry- @ approximately 2- 2.5 m2 / litre depending on substrate porosity of Fosroc Nitobond SBR300 or equivalent Equivalent etc as per manufacturer specifications. Laying of reinstatement readymade plaster/polymer mortar shall be completed within the overlay time of bonding coat. This bond coat act as bonding agent between old and new concrete complete all as specified and as directed by the Engineer-in-Charge. Note :The rate quoted by contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20mtr height.

M&L for applying to the damaged concrete portion of slab / columns / beams / chajjas / parapet /roof projection/ balcony/ staircase with single component, fiber reinforced, dual shrinkage- compensated thixotropic, cementitious patch repair mortar Sika monotop 122F (having the technical parameters mentioned in material specifications) capable of applying up to 10-20 mm thick in double layer initially by hand and finishing with troweled carefully compacting the same around the rebar and finishing to bring it in line with existing concrete surface with an average specified thickness, including chipping complete all as specified and as directed by the Engineer-in-Charge. Note : The rate quoted by contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20mtr height.

M&L for applying to the damaged concrete portion of slab / columns / beams / chajjas / parapet /roof projection/ balcony/ staircase with single component, fiber reinforced, dual shrinkage- compensated thixotropic, cementitious patch repair mortar Sika monotop 122F (having the technical parameters mentioned in material specifications) capable of applying up to 30-40 mm thick in double layer initially by hand and finishing with troweled carefully compacting the same around the rebar and finishing to bring it in line with existing concrete surface with an average specified thickness, including chipping complete all as specified and as directed by the Engineer-in-Charge. Note : The rate quoted by contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20mtr height.

M&L for preparation of new decorated surfaces of ceilings (plastered or unplastered) and applying three coats of white wash on ceiling surface complete all as specified and as directed by the Engineer-in-Charge.

M&L for MS props erecting for temporary supports to the structural members like beams, slabs etc. to relieve the load on the members during breaking of damaged concrete, removal guniting, including excavation or any dismantling work as per the instruction and complete all as specified and as directed by the Engineer-in-Charge. Note :- (i) These supports shall be provided either in the form of props or trestles fabricated using structural steel as per the site requirements. (ii) The temporary supports/ structure, steel PROPS etc, shall be used at site for arrangement of support system shall be take back by the Contractor after requsite period of strengthening of members / strructure or completion of repair work as directed by Engineer-in-charge.

M&L for hard drawn steel wire fabric n exc 4Kg/Sqm cut to lengths, bent to shape required and tying with and including mild steel wire (annealed) not less than 0.9mm in dia supplied and fixed in reinforcement complete all as specified and as directed by the Engineer-in-Charge.

M&L for Cleaning & applying rust remover (Sika rustoff100)) in two coats over rusted reinforcement surface and providing anti corrosive coating with two component epoxy based zinc rich primer/Rust passivation Inhibitor coat at the rate of 6-8 sq. mtr/ltr not less than 50 microns dft with Sika friazinc R or equivalent to reinforcement surface as per manufacturer’s instructions including all scaffolding, machinery, tools tackles and clearing of debris complete all as specified and as directed by the Engineer-in-Charge.

M&L for Mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by the Engineer-in-Charge. Note : Additional Reinforcement: Check the diameter of the existing rebars and if the diameter is less than 30% of the original diameter, provide additional reinforcement. Cut 12mm dia bars as main reinforcement to the required length with proper development length. Tie them to the prefixed shear connectors so that the additional rebar acts monolithically with the existing ones and core concrete.

M&L for Mild steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders , cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed by the Engineer-in-Charge.

M&L for providing leak proof shuttering in any position cut to length and providing including runners supports as per manufacturer’s instructions and including all necessary scaffolding, machinery, tools tackles and men materials complete all as specified and as directed by the Engineer-in-Charge.