REPAIRS TO PARAPET, CHAJJA, FACIA AND OTHER STRUCTURAL REHABILIATION WORKS AND CONNECTED ITEMS UNDER AGE B/R- III AT MIL STN JAISALMER UNDER GE (A) JAISALMER

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 directed by Engineer-in-Charge.Note :The rate quoted by contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20mtr height of building/structure.

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 ptch repair mortar CICO Repocem PM (having the technical parameters mentioned in material specifications ) capable of applying up to 20-25mm 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 and Equivalent of Fosroc Renderoc/STP/BAS Note : The quoted rate by the contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20 mtr height of Bldg/structure.

M & L for Chipping of 5-10 mm average thickness unsound/weak concrete material from slab with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead. further applying polymer based bond coat on the prepared old surface of concrete /masonry to receive new polymer mortar/polymer modified mortar with two coats of Thermax TM Bond AR as per manufacturer specifications. Laying of polymer modified mortar shall be completed within the overlay time of bonding coat. This bond coat act as bonding agent between old and new concrete. further applying to the damaged concrete portion of slab/ chajjas / roof projection with single component, fiber reinforced, dual shrinkage- compensated thixotropic, cementitious patch repair polymer modified mortar Thermax BS 5F (having the technical parameters mentioned in material specifications ) capable of applying up to 5-10 mm thick in single 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. its material consumption is 50kg/sqm for 5-10mm thickness, all as specified and directed as Engineer-in-Charge. Make: Thermax/STP/Dr.Fixit Note : The quoted rate by the contractor shall include cleaning of surface, application as per instruction and scaffolding upto 20 mtr height of Bldg/structure.

M & L for applying bond coat on the prepared old surface of concrete/masonry to receive new polymer mortar/polymer modified mortar or micro concrete with two coats of CICO-Latex SBR or equivalent in Fosroc /STP as per manufacturer specifications. Laying of reinstatement polymer mortar or micro concrete shall be completed within the overlay time of bonding coat. This bond coat act as bonding agent between old and new concrete. MAKE: CICO LATEX SBR or equivalent in Fosroc/STP/BASF

S & F of new steel or rebars by drilling holes with 10 mm to 20mm dia and 100 to 200mm deep as per IS code of 10D formula and including filling the holes after inserting of reinforcement dia 8 to 16mm for anchoring at ends/shear connector and filled the holes with one or two component styrene free vinylester resin anchor or two components, styrene & cement free epoxy- acrylate fixing and anchoring compound ( having the technical parameters mentioned in material specifications) using standard sealant applicator gun after drilling holes of required diameter at required locations, for holding / fixing / placing in position the steel mesh reinforcement at desired level/ stretching. (Note : Steel/reinforcement shall be paid and measured separately) . Make: CICO RESIFIX-G or equivalent in Fosroc lokfix/Hilti and Master builder (BASF)

M&L for providing Micro concrete with CICO MICROCRETE at the rate of 25kg per 0.0125 m3 with 20% properly graded 5mm to 10mm silt free aggregate as per manufacturer instructions and mixing concrete with mechanically electrically operated mixer machine etc complete all as specified and directed by Engineer-in-charge

M & L for applying injection grouting through the nozzles. Drilling the holes of 12mm dia up to 100mm deep and fixing of nozzle of 10mm with using CICO NO.3 hardener chemicals. Inject the polymer based cement grout CICO NSPGC grout with cement to RCC wall/ceiling in adequate pressure and seal the nozzle complete as per manufacturer instruction. Make: CICO/Fosroc/STP/BASF

M&L for Chipping of slab/columns/ beams/chajjas /parapet /roof projection/ balcony/ wall/staircase and removing loose mortar from 10 to 15mm thick with chisel hammer without much impact on concrete surface, clean the surface by sand blasting the surface using river sand with minimum of 6 kg pressure at the nozzle or air blow by electric pressure blower by mechanical compressor, cleaning the exposed reinforcement with wire brushes etc and disposal of debris for all lead and lifts complete all as specified and directed by Engineer-in-charge. Note :- Scaffolding/ temporary support structure required to support the members / structure during strengthening shall be considered quoted rate by the contractor shall include

M and L for rendering 15mm thick ready made plaster on internal walls by adding potable water by weight of material as mentioned by manufacture. Ready - Mix plaster shall complies with IS 1661 - 1972, IS-2250-1981, IS 2402-1963 and shall confirm the compressive strength @ 28 days - 10-15Mpa/Bulk density 1600-1800 Kg/m3 and pull out bond strength - > 0.5Mpa.

M and L for rendering 10mm thick ready made plaster on internal walls by adding potable water by weight of material as mentioned by manufacture. Ready - Mix plaster shall complies with IS 1661 - 1972, IS-2250-1981, IS 2402-1963 and shall confirm the compressive strength @ 28 days - 10-15Mpa/Bulk density 1600-1800 Kg/m3 and pull out bond strength - > 0.5Mpa.