Bangalore Metro Rail Corporation Limited Tender

SOR ITEM 4 - Providing and fxing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.Note:- The elevational area of the scaffolding shall be measured for payment purpose

SOR ITEM NO 5 - Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :Water thinnable cement primer to give an even shade after thoroughly brooming the surface to remove all dirt, dust, mortar drops and foreign matter including preparing the surface even and sand paper smooth, cost of materials, labour complete as per specifcations and as per directions of Engineer-in-charge

SOR ITEM NO 6 - Clearing and Grubbing Road Land. Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, including removal and disposal of top organic soil not exceeding 150 mm in thickness. By Mechanical Means using Dozer .B In area of Light jungle (track area and median level)

SOR ITEM NO 7 - Providing and Applying Acrylic anti-carbonation coating on concrete surface, which is single component cold applied, water based acrylic polymer and specially formulated to Protect RCC substrate that is directly exposed to atmospheric conditions like UV radiation, heavy rain, industrial pollution & carbonation. Apply without any dilution @ 0.25L/ sqm in 2 coats to achieve DFT of 225 microns, The coating shall have Confrms in accordance with IRC SP,80-2008, Chloride Ion penetration Concrete Guard (Coulombs) 575 as per ASTM C 1202,2019, SRI value of 104 as per ASTM E 1980,19 and Crack bridging ability up to 2mm, including priming the surface with 1 coat diluted with water in the ratio 1.1 spreading @ 0.125 L/m2 as self-priming coat. The fnished cost to include surface preparation, treatment of cracks completely as per specifcation as per the direction of the Engineer In charge

SOR ITEM NO 8 - Semi Skilled labor for Zone-1 area (As per KPWD SR 2023-24VOL-1) for cleaning of medians during VIP movement and re-setting of cable trough cover slabs and other miscellaneous works

NON SOR ITEM 1 - Repairing the honey combing, voids, cracks etc., in RCC Pedestals, Viaduct segments and I-Girders small cracks in deck slab top with high strength epoxy putty manufactured by FOSROC,SIKA and O-BSAF or similar with all contactors men, materials, tools, plants, lead, lift, transportation etc, complete as per the direction of Engineer - in-charge. Note: The work has to be carried out during night hours after the revenue hours of Metro train service.

NON SOR ITEM 2 - Replacing of man hole cover slab provided at Expansion joint with MS chequered plate manhole covers of size 800*800mm with locking arrangements, duly fixing the covers to the deck slab and clearing and disposing the existing damaged concrete with all contractors men, material, transportation arrangements,tools,lead,lift complete all as per drawing attached and as direction of Engineer-in-charge. Note: The work has to be carried out during night hours after obtaining PTW

NON SOR ITEM 3 - Supplying and fixing of 160mm dia. UPVC Pipe of 6kg pressure manufactured by Finolex, Ashirwad, and Supreme, Astral etc. to the existing Piers of Metro Railway as rainwater down take pipe. Duly connecting it to the existing horizontal rain water pipe by using required bends, couplings, clamps, anchoring fastener, adhesive etc., The pipes should be fixed to the Piers by using clamps made up of minimum 2mm thick ,30mm wide MS Flats Galvanized and fixing to be done with the help of anchoring fasteners of 8mm dia. 100mm long. The clamps should be provided at every 1.5m to 2m distance .The Pipe joints should be fixed by using the adhesive so that it should not give up in service. The work has to be carried out during day and night shift as per the site conditions and Engineer in charge instructions. With all contractors, men, pipes, clamps, anchors and other materials, power supply etc., complete

NON SOR ITEM 4 - Clearing of Water stagnation on deck slab by gradient correction: Cleaning the existing surface and applying one coat of Bonding agent like Nito bond EP /SBR or equivalent. Corrections to slope to avoid stagnation of water by using micro concrete with aggregates added with super latex high performance bonding agent like Dr.Fixit, Sika,Fosroc etc., or equivalent with all contractors’ men, materials, tools, plants, lead, lift, transportation etc, complete as per the direction of Engineer - in-charge. Note: The work has to be carried out during night hours after the revenue hours of Metro train service.

NON SOR ITEM 5 - Replacing of existing choaked/ damaged 150mm dia. Horizontal UPVC pipe of 6kg pressure manufactured by Finolex, Ashirwad, and Supreme, Astral etc. provided inside the viaduct with new 150mm dia. UPVC pipe confirming to IS:9271(2004) duly removing the blockage / clogging in drain spouts and connecting the drainage spouts to the new UPVC pipe by making required provisions such as T joints, Elbows etc, clearing all the dismantled pipes, silt or any other debris clogging the pipe line etc from inside the viaduct and disposing the same away from city limits with all contractors, UPVC pipe, fittings, Collars, T-sections, tools plants, men, materials, adhesive, transportation, lead, lift etc.,and Clearing chocked spouts provided at track level at every 3m interval and the connectivity between drainage spout and the vertical down take as to be ensured without any gaps , if any gaps noticed it should be covered with epoxy puuty. complete as per specifications and as directed by Engineer-in charge. Note: The work has to be carried out in night time during non revenue hours under line block.

NON SOR ITEM 6 - Cleaning and removal of debris laying inside the proposed median and metro station premises including lead and lift labors and tools complete. and disposing away from city premises and as directed by Engineer- incharge (Note- Numbers is equals to trips )

NON SOR ITEM 7 - Fabricating, providing and fxing chequered plate of size 250mmx1230mmx4mm thick to cover the gaps of expansion joint at walkway. The chequered plate should be anchored on one side using head less screw of size 8mm dia. X 50mm long, including painting the chequered plate with one coat of anticorrosive paint and two coats of paint aluminum or smoke gray coloured metallic paint With all contractors chequered plates, bolts, painting, men, materials, tools and plants, lighting arrangement, generator etc. Complete as directed by engineer in - charge. Note: The work has to be carried out during night hours after obtaining PTW

NON SOR ITEM 8 - Cleaning of inside viaduct and removing of the debris and stacking at one place at track level, further shifting the same d from track level to ground level manually and disposing the same to outside city limits with a lead of up to 5km radius including cost loading, unloading, transportation, tools etc., complete and as directed by Engineer In charge.(NOTE 1 No is equal to 1 span)

NON SOR ITEM 9 - Scraping the existing cracks, honeycombs, corroded reinforcements on the surface of piers for removing, cleaning & making the surface free from the loose particles, dust, rust, grease etc., using Wire brushes and other hand tools, without causing any damage to the structure. Providing treatment to exposed/corroded reinforcements of the piers which are already prepared, by applying Zinc Rich, Anti-corrosive coating on the steel surface. Supply and Fixing of 8mm dia non return aluminum nozzle/packer, wherever required at all heights in the existing honey combed area, at required spacing of Pier and Removing of non-return nozzle/packer after completing the grouting activity and flling the same with Epoxy putty Nitocote VF/Sikadur 31c/Masterbrace 2200, leveling the surface with all Contractor's materials, Electricity, labour, lead, lift, T&P etc complete & as directed by Engineer- in- Charge.

NON SOR ITEM 10 - Providing & applying High Strength Repair mortor over the already prepared surface of the pier wherever required using putty Nicote VF/Masterbrace 2200 (prepared as per manufacturer's advice) over the pier wall to get a uniform surface and to close the existing pores in the concrete with all contractor's materials, power supply, labour, lead, lift, tools & plants etc. complete and as directed by Engineer- in- charge

NON SOR ITEM 11 - Pressure grouting of pier through already fxed nozzle at all heights of the pier using low viscous epoxy grout prepared according to manufacturer's advice, through grouting pumps with a pressure up to 2-5kg/cm2, with all Contractor's materials , power supply, labour, lead, lift, T&P etc. complete and as directed by Engineer- in- charge. Note-kg/ltrs

NON SOR ITEM 12 - Application of one coat of epoxy primer for application of refective / fuorescent / paint, including surface preparation, cleaning by wire brush, making surface dust free, including cost of all materials, laboure, HOM, curing complete as per specifcation Application of Two coat of refective/fuorescent/night glow paint for concrete surface of brand like Asian, Nippon or equivalent brands of approved ISI certifed with all contractors materials, labour, lead, lift, T & P etc. complete and as directed by Engineer-in-charge

NON SOR ITEM 13 - Providing and applying two coat of ultima Weather proof Purple colour on old surface of Asian make, to provide even shade after cleaning the surface thoroughly removing the oil , grease, dirt and other matter, applying putty wherever surface damaged including cost of materials, labour etc. complete and as per the directions of Engineer-in-charge

NON SOR ITEM 14 - Chipping/Removal of construction debris, left over steel rails during the construction time on pier cap surface,cleaning & making the surface free from the loose particles, dust, rust,grease etc., by thoroughly using wire brush and other hand tools, without causing damage to the structure and disposing it off away from the city premises. With all Contractor's materials, labour, lead, Genator lift, T&P etc. complete and as directed by Engineer- in- charge.

NON SOR ITEM 15 - Cutting M.S rod protruding protruding from the concrete of viaduct, pier and pier cap by duly engaging Generator. Cutting, grinding, blowing the dust and cleaning the surface area of the surroundings of approximately about 15cm, applying Zinc rich primer epoxy and epoxy grout of approved make and complete. ( This includes supply of generator with petrol, tools and transport)