Tender For Annual Plan-Palakkad Municipality - (2024-2025)- Pro.No.412/25 -Gups West Yakkara School Maintenance-General Civil Work - Retrofitting 2 26.28.2:Chipping Of Unsound/Weak Concrete Material From Slabs, Beams, Columns Etc.With Manual Chisel And/, Palakkad-Kerala

Tender For Annual Plan-Palakkad Municipality - (2024-2025)- Pro.No.412/25 -Gups West Yakkara School Maintenance-General Civil Work - RETROFITTING 2 26.28.2:Chipping of unsound/weak concrete material from slabs, beams, columns etc.with manual Chisel and/ or by standard power driven percussion type or ofapproved make including tapering of all edges, making square shoulders ofcavities including cleaning the exposed concrete surface and reinforcementwith wire brushes etc. and disposal of debris for all lead and lifts all completeas per direction of Engineer-In-Charge50mm average thickness 3 26.29.1:Cleaning of reinforcement from rust from the reinforcing bars to give it a totalrust free steel surface by using alkaline chemical rust remover of approvedmake with paint brush and removing loose particles after 24 hours of itsapplication with wire brush and thoroughly washing with water and allowingit to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter 4 26.29.2:Cleaning of reinforcement from rust from the reinforcing bars to give it a totalrust free steel surface by using alkaline chemical rust remover of approvedmake with paint brush and removing loose particles after 24 hours of itsapplication with wire brush and thoroughly washing with water and allowingit to dry, all complete as per direction of Engineer-In-Charge.Bars above 12 mm diameter 5 26.31.1:Providing, mixing and applying bonding coat of approved adhesive on chippedportion of RCC as per specifications and direction of Engineer-In-chargecomplete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer 6 26.32.1:Providing, mixing and applying SBR polymer (of approved make) modifiedCement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand withpolymer minimum 2% by wt. of cement used) as per specifications anddirections of Engineer-in-charge.Note: Measurement and payment: The pre-measurement of thickness shall bedone just after the surface preparation is completed and Payment under thisitem shall be made only after proper wet curing has been done and surfacehas been satisfactorily evaluated by sounding / tapping with a blunt metalinstrument and/or the 75mm size cube crushing strength at the end of 28 daysto be not less than 30 N/Sqmm2).12 mm average thickness. 7 26.32.3:Providing, mixing and applying SBR polymer (of approved make) modifiedCement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand withpolymer minimum 2% by wt. of cement used) as per specifications anddirections of Engineer-in-charge.Note: Measurement and payment: The pre-measurement of thickness shall bedone just after the surface preparation is completed and Payment under thisitem shall be made only after proper wet curing has been done and surfacehas been satisfactorily evaluated by sounding / tapping with a blunt metalinstrument and/or the 75mm size cube crushing strength at the end of 28 daysto be not less than 30 N/Sqmm2).50 mm average thickness in 3 layers. 8 26.38.1:Shotcreting R.C.C. columns, beams and slabs etc. in layers with approveddesign mix concrete having the specified minimum characteristic compressivestrength [with ordinary portland cement, coarse sand and graded stoneaggregate of 10 mm maximum size in proportion as per design criteria]including the cost of centering and shuttering at edges and corners etc. asdirected by Engineer- in-Charge<br>Note: Rates shall include the providing necessary ground wires etc. Thelevelling gauges, if used, shall be paid for separately. Payment under this itemshall be made only after proper wet curing has been done and surface hasbeen satisfactorily evaluated by sounding/tapping with a blunt metalinstrument.25mm thick in Grade M 25 with cement content not less than 330 kg per cum 9 GENERAL MAINTENANCE 10 9.123:Providing and fixing factory made door frame (single rebate) made out of single piece extruded solid PVC foam profile with homogeneous fine cellular structure having smooth outer integral skin having 62 mm width & 32 mm thickness, frame will be mitred & jointed with self driven self tapping screws of size 38 mm x 4 mm & PVC solvent cement, including fixing the frame to wall with suitable dia & length anchor fastener as per manufacturers specification and direction of Engineer-in-charge. 11 9.118.1:Providing and fixing to existing door frames24 mm thick factory made PVC door shutters made of styles and rails of a uPVC hollow section of size 59x24 mm and wall thickness 2 mm (± 0.2 mm) with inbuilt edging on both sides. The styles and rails mitred and joint at the corners by means of M.S. galvanised/plastic brackets of size 75x220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanised M.S. tube of size 20x20 mm and 1 mm (± 0.1 mm) wall thickness. The lock rail made up of H section, a uPVC hollow section of size 100x24 mm and 2 mm (± 0.2 mm) wall thickness,fixed to the shutter styles by means of plastic/galvanised M.S. U cleats. The shutter frame filled with a uPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness. The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturers specification and direction of Engineer-in-charge( For W.C. and bathroom door shutter). 12 10.25.2:Item Shifted to Sub head 14 as item 14.73Item Shifted to head 14 as item 14.74Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 13 15.7.4:Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In cement mortar 14 13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand). 15 13.71:Lettering with black Japan pint of approved brand and manufacture 16 14.43:Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. 17 13.46.1: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)

INR 555 /-

INR 3370.0 /-

INR 1.34 Lakhs /-