Repair RTT Vyttila

Amount

Supply of tubular legs/ sleeves / plates fabricated as per requirement for structural repair ( panel 2,3,&5) in three legged tubular light weight tower made of MS hot dipped galvanized pipes/angle sections conforming to specification etc. complete. Tower fabrication and erection as per relevant IS codes as well as SERC recommendations.

Erection / fixing of sleeves, plates etc for repairing tubular ground based tower with materials supplied under item No 1 above as per relevent IS specifications and direction of engineer in charge.

Painting of roof top tower of height up to 21metre including both sides of the new additional pipe sleeves / plates fabricated as per item no:2 with two coats of Synthetic enamel paint as per approved colour combination of Orange and white (As per aviation guidelines) over the cleaned surface over a coat of Etch primer and Zinc chromate primer of approved brand and manufacture etc complete.

Chipping of unsound/weak concrete material from slabs, beams,columns etc. with manual Chisel and/ or by standard power drivenpercussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposedconcrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction ofEngineer-In-Charge

25 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to giveit a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

a)Bars above 12 mm diameter

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge

Upto and including 12mm dia.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

a) Thermo-Mechanically Treated bars of grade Fe-500D or more

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete 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

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.

25 mm average thickness in 2 layers

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

On steel work

Filling the gap in between panels of prefab by providing weathersilicon sealant over backer rod of approved quality as per direction ofEngineer-in-charge complete.

a) Upto 5mm depth and 5 mm width

Extra for labour for anchor bolting using bolt of dia up to 12mm(Min 10 nos) of required length including drilling the prefab shelter and providing necessary washers at top and bottom all complete as per the directions of the Engineer-in-charge. (The cost of bolts and washers shall be paid separately)

Dismantling and refixing GI/AC/ sheet/Roofing tiles including all necessary hooks,bolts,washers and sealing of holes with water proofing compound like M-seal or similar compound for arresting water leakage etc complete as directed by Engineer-in-Charge.

Providing and fixing PVC valley gutter on wall face for collecting the rain water from sheet roofing to unplasticised Rigid PVC rain water pipes and delisharging to roof terrace including cost of GI clamps @1.00metre spacing (i)160mm dia PVC valley gitter

Providing and fixing homogeneous 2mm thick antistatic pvc flooring sheets in flooring and skirting in approved pattern on a smooth and damp proof base using rubber based adhesives of approved quality and manufacture like Dunlop S-758, Fevicol SR 998 or equivalent , copper strips and other materials required at site including rolling with light wooden roller weighing about 5 Kg all complete as directed by the Engineer -in- charge in approved colour and shade (2 mm thick). (The rate includes the cost of materials, labour other materials required and transportation to various locations etc. complete

Supplying GI foundation bolts, bolts and nuts for tower all complete etc at site.

Vaigues Padamadan