Corporation Of Chennai Tender

Terrace flooring with one course of pressed tiles (with relevent ISI STD) 23cmx23cmx20mm using C.M. 1:3 etc. (one part of cement and three parts of crushed stone sand) (The crushed stone sand to be used in base mortar shall conform to gradation as per IS 1542-1977)

For making and fixing M.S.Sheet Door of required size with two shutter using necessary M.S.Angles 50x50x6mm/40x40x6mm "L" Angles as diagonal Bracings 4Nos. for each shutter and centre Bracings for 1No.for each shutter. M.S.Flats 25x6mm/40x6mm and M.S.Sheet 1.25mm thick (18 gauge) and providing hinges welded with M.S.Angles 50x50x6mm bits at three places at equal intervals on both sides Latches 25cm size length for locking arrangements providing 12mm dia. M.S.Rod running through the hinges on both vertical side for easy swining purpose of doors including one coat of pFor making and fixing M.S.Sheet Door of required size with two shutter using necessary M.S.Angles 50x50x6mm/40x40x6mm "L" Angles as diagonal Bracings 4Nos. for each shutter and centre Bracings for 1No.for each shutter. M.S.Flats 25x6mm/40x6mm and M.S.Sheet 1.25mm thick (18 gauge) and providing hinges welded with M.S.Angles 50x50x6mm bits at three places at equal intervals on both sides Latches 25cm size length for locking arrangements providing 12mm dia. M.S.Rod running through the hinges on both vertical side for easy swining purpose of doors including one coat of primer cutting iron members welding fixing door in position etc. complete as directed during execution (as per design drawing enclosed).(Materials to be used with relevent ISI STD)..

Supplying and fixing 55cm x 40cm colour glazed wash basin withl ead and brass connection C.P. pillar tap and other fittings etc. complete.

Conducting yield test using V notch and with suitable pump for one day as directed during execution for the bore well.

Boring using power rig 125mm dia upto hard formation and boring 100mm dia below this in rock formation. the entire column to be cleaned at site as directed including hire charges for the power rig for drilling the bore as described above both upto hard formation and then in rock formation (including the cost of fuel charges transporting to and from the power rig etc. complete.) including flushing the bore using compressor for a minimum time of 12 hours etc. complete providing the danger lights during night time etc. complete as directed during execution.

Supplying and lowering PVC pipe 125mm dia slotted casing pipe of 6kg/sq.cm. ISI Std.

Supplying and lowering PVC pipe 125mm dia plain casing pipe of 6kg/sq.cm. ISI Std.

Supplying and Jointing 20mm dia PVC pipe.including cutting threading and jointing with necessary specials fixing to wall with clamps and screws including making holes in the wall or drilling holes in roof and making good the wall or roof after fixing with necessary scaffolding etc. complete..

Supplying and Jointing 25mm dia PVC pipe.including cutting threading and jointing with necessary specials fixing towall with clamps and screws including making holes in the wall ordrilling holes in roof and making good the wall or roof after fixing with necessary scaffolding etc. complete.

Supply and providing 1000 litres capacity Priming Tankmade up of PVC. Make: SINTEX EQUIVALENT

Retro - Fitting Works: - Methodology Severity - High (Internal Spalling or Hollowness found on the surface (Beams, Columns, Ceiling and walls) a.Remove the plastering wherever there is dampness/ spalling/hollowness in the surface completely using hacking tools and the surface to be free from dust, laitance, oil, grease, algae, fungus and any other foreign material, prior to application. b.Removing the existing deteriorated reinforcement and supply and placing of new rebars of 10 mm diameter including cutting, bending and straightening and placing in position complete in all levels and if necessary, welding the new bars with the existing Rods by over lapping with all lead and lift etc. complete (If the rebar is corroded more than 35% of its original size) c.Providing and applying Epoxy Zinc Rich Primer and mixing mechanically until it is homogenous and applying the same as one rich coat on reinforcement complete with all lift etc. complete. (If corrosion found on rebars) d.Providing and applying a coat of two-part solvent free epoxy resin-based bonding agent on the wall at rate of 2-3 Sqm/kg inside the cracks. e.Providing and applying plastering on the walls using polymer modified plaster with CM 1:4 admixed with SBR Latex or equivalent @ 2 kg per bag of cement with suitable quantity of clean water. (All chemicals shall be used from Pidilite or equivalent brand)

Retro - Fitting Works Methodology Severity - High (External Spalling or Hollowness found on the surface, Beams, Columns Ceiling and walls) a. Remove the plastering wherever there is dampness/spalling/hollowness in the surface completely using hacking tools and the surface to be free from dust, laitance, oil, grease, algae, fungus and any other foreign material, prior to application. b. Removing the existing deteriorated reinforcement and supply and placing of new rebars of 10 mm diameter including cutting, bending and straightening and placing in position complete in all levels and if necessary, welding the new bars with the existing Rods by over lapping with all lead and lift etc. complete (If the rebar is corroded more than 35% of its original size) c. Providing and applying Epoxy Zinc Rich Primer and mixing mechanically until it is homogenous and applying the same as one rich coat on reinforcement complete with all lift etc. complete. (If corrosion found on rebars) d. Providing and applying a coat of two-part solvent free epoxy resin-based Bonding Agent on the wall at rate of 2-3 Sqm/kg inside the cracks. e. Providing and applying plastering on the walls using polymer modified plaster with CM 1:4 admixed with SBR Latex or equivalent or equivalent @ 2 kg per bag of cement with suitable quantity of clean water (All chemicals shall be used from Pidilite or equivalent brand)

Supplying and fixing of 1.5 HP Jet Pump Set including all accessories. ( Kiloskar, Texmo, CRI or equivalent Brand)

Wiring with 2 x 1.5 sqmm (22 / 0.3) PVC insulated SC unsheathed Copper conductor cable of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box inflush with wall with 5A F.T. switch, covered with hylum sheet of 3mm thick with painting of suitable colour, with continuous earth wire connection of 14 SWG TC wire for open PVC light point / fan point (For electronic Regulator)

Cost of supply of 20w 4 feet LED fitting with LED tube complete set (Patty and LED tube)

Supply and fixing of 20Amps DP Plug and Socket in sheet enclosure with 32A DP MCB in flush with wall with earth connection (For AC Plug) [ ISI marked / Reputed make]

Providing and applying 2 coats of water proof treatment to RCC retainig wall by crystalization method using suitable high performance chemical compound after thorough cleaning and saturation of surface etc complete

PROTECTIVE PLASTERING Providing protective over the water proofing treatment provided over base concrete,RCC retaining wall, sunken slab and terrace in CM 1:4 to a minimum thickness of 12mm with suitable admixture.

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