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Tender for Improvements To Lus No.34A, 45A, 48A, 54A & 132A In Mdu - Bdnk Section.-rovision of roofing Arrangements : Semi integrated street light having 20watts light,12AH lithium ferro phosphat ebattery with motion sensor and 50 watts solar panel fixingclamps and other accessary and light wall mounting small plate and installation ofpanel mounting onroof sheet and lights on wall or celling of roof etc including lead lift with 3 years warrenty , mprovements to Seepage wall and flooring : Drilling and fixing nozzles oratleast 6mm dia for a depth of half the member thickness at manufacturer recommended centre tocentre distance or as instructed by the engineer incharge with help of cementitious quick fixproduct, cleaning the cracks by injecting high pressure air through the nozzles pressure groutingwith PU injection resin with help of injection gun or similar equipment at a steady manufacturers like(SIKA/FORAC/MYK/PIDLITE/BASF or equivalent) shall be injected in to the cracks, the work shallcomplete in all respects in line with manufacturers, recommendations/ specifications. The rate shallinclude procurement and supply of required materials, storage, shifting, safety, scaffolding,barricadding of working area drilling and fixing of nozzles, necessary working platform, surfacepreparation and application of grouting material, removal of nozzles, finishing good of concretesurface as per satisfaction of Engineer in with all tools and tackles. work to be carried out whereever necessary as instructed by Engineer in charge. Technical Specifications for PU grouting: 1)Compressive Strength:- More than 60N/sqmm @ 7 days, More than 65 N/Sqmm @ 28 days. 2)Density: Around 1 g/cc for Part A component, Around 2.2 g/cc for Part B component. 3) Shelf life: 12Months from the date of manufacturing. 4) Tensile strength: > 14N/Sqmm @ 7 days, > 20N/sqmm @28 days. 5) Flexural strength: > 45 N/sqmm @ 7 days, > 20 N/sqmm@ 28 days. 6) Pot Life: 30 Min 7)Pumpable Time: 60Min. 8) Slant shear strength: > 25N/sqmm @ 7 days, 29 N/sqmm @ 28 days. 9)Hardness: 90Fixing GI/MS nozzles of atleast 6mm dia with epoxy adhesive. The crack mouth has tobe sealed with the same adhesive. The felxible holes which are already fixed to nozzles are openedand fixed to the injection gun. Low viscous 2 or 3 component injection resin (for moist or wetconcrete) of approve manufactures shall be injected to the cracks. the mixed material shall beconsumed within the pot life of the material , after grouting operations the nozzle shall be cured forsmooth finishing of concrete surface. The work shall complete in all respect in line withmanufactures recommendations/ specifications. The rate shall include procurement and supply ofrequired materials, storage, shifting, safety, scaffolding, barricadding of working area, drilling andfixing of nozzles, necessary working platform , surface preparateion and application of groutingmaterial, removal of nozzles, finisihing good of concrete surface as per satisfaction of Engineer incharge with all tools and tackles. work to be carried out where ever necessary as instructed byEngineer in charge. Technical specifications for low viscous epoxy Grouting: 1)Compressive strength: More than 99N/sqmm @ 7 days (30 degree), More than 105 N/Sqmm @ 28 dys (30 degree)N/sqmm. 2) Modulus of elasticity in compression- 18000 kg /sqmm. 3) Shelf life: 24 months from thedate of manufacturing. 4) Tensile strength: > 15N/sqmm. 5) Flexural strength: > 42 N/sqmm. 6)Water absorption: 0.12% in 7 daysCYH-500 single component hydrophobic type PU CYH-500 is hydrophobic grout basedon polyurethane. upon contact with water, CYH-500 reacts to closed call rubber like foam whileexpanding its volume upto 27 times. The cured material is not a component of the foam structure,the cured material is essentially not affected by water or dryness. The reacted materials do notshrink or swell. Depending on the pressure of injection, CYH - 500 reacts to a very dense material orfoam. CYH-500 one component type High Strength Polyurethane water stop material fromConRepair.co.Ltd.Grout the leakage area at minimum spacing by fixing 10 or 12 mm dia PACKERnozzle 3 inch depth, allow nozzle to injecting PU chemical grout of the PACKER nozzle, after grouthardness all incomplete, allow it to cure for one day
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