Annual Contract for Light Roofing Works in KMML 2024-2025

Amount

Chipping plastering

Dismantling old/weak plaster over masonry or skirting, raking out joints and cleaning the surface for plaster including scaffolding upto 5 mtr height,tools and takles and disposal of rubbish to the dumping ground within 1kms lead,at all heights

Demolishing RCC

Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge.

Fixing steel

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 including scaffolding upto 4 m height but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 12mm dia.

Steel work for pedestal

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete .Thermo - Mechanically Treated bars of grade Fe-500D or more (TMT steel bars shall be supplied by company)

Centering & Shuttering

Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

RCC for pedestal

Reinforced cement concrete work in beams, slabs, suspended floors, roofs, having slope up to 15 landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level excluding the cost of centering, shuttering, finishing and reinforcement, with1:1.5:3 (1 cement : 1.5 coarse sand (Zone III) : 3 graded stone aggregate 20 mm nominal size).Cement and TMT bars supplied by KMML

GI tube for truss work

Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved epoxy primer and 2 or more coats of epoxy paint, including welding and bolted with special shaped washers etc. complete

Laying departmentally supplied sheet s

Fixing FRP/poly carbonate/PVC/metallic sheets upto any pitch in horizontal /vertical / curved surfaces and fixing with polymer coated J, or L hooks, bolts and nuts 8mm dia. G.I. plain and bitumen washers or sheets shall be fixed using self drilling / self tapping screw of size (5.5X55mm) with EPDM seal complete , but excluding the cost of purlins, rafters, trusses, and including cutting to size and shapes where ever required. etc. complete (excluding cost of sheet, purlins, rafters and trusses.The required sheet and fixtures shall be supplied by the company), including shifting, lifting,cutting sheets to size and shape wherever required,all tools,tackles, labours, scaffolding etc.For level from 10mtr to 20mtr.

Fixing FRP/poly carbonate/PVC /metallic sheets upto any pitch in horizontal /vertical / curved surfaces and fixing with polymer coated J, or L hooks, bolts and nuts 8mm dia. G.I. plain and bitumen washers or sheets shall be fixed using self drilling / self tapping screw of size (5.5X55mm) with EPDM seal complete , but excluding the cost of purlins, rafters, trusses, and including cutting to size and shapes where ever required. etc. complete (excluding cost of sheet, purlins, rafters and trusses.The required sheet and fixtures shall be supplied by the company), including shifting, lifting,cutting sheets to size and shape wherever required,all tools,tackles, labours, scaffolding etc.For level upto 10m from GL

Supplying and Laying galvalume sheets

Providing,fixing profiled colour coated galvalume sheet 0.50mm TCT 550Mpa 150GSM for sheets upto any pitch in horizontal /vertical / curved surfaces over truss and eaves of same gauge so as to prevent water entry into the building with necessary zinc phosphate polycoated J or L bolt of suitable length washer,nut,cap as recommended by the manufacturer,minimum end lap shall be 150mm. The lap shall be sealed with recommended sealant.Including transportation,labour,tools, materials, eqipments, scaffolding, supervision,as directed by the Engineer-in-charge at all levels.(Colour and material subject to sample approval).Polycarbonate sheet of matching thickness,proffile,colour should be provided at suitable intervals to enter Day light as directed by engineer in charge and which shall be paid separately. The payment shall be made for area of roofing sheet complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Supplying and Laying PVC sheets

Providing & fixing PVC corrugated roofing sheets (thickness 2mm or above) of good quality up to any pitch, including ridges, fixing with zinc phosphate poly coated hooks, bolts & nuts 8 mm dia G. I plain/ bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified.

Supplying and fixing UPVC rainwater gutter (Euro guard, Aquastar or Supreme) with mettallic bracket supports as per manufacturers specification

Providing and fixing UPVC rain water gutter of approved brand and shape,160mm size with required slope using self drilling/self tapping screws complete,fixed with gi clamp at 1m spacing

PVC Downpipes of approved brand

Providing and fixing PVC pipes including fixing the pipe with clamps/clips at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 110 m dia 4 Kgf/cm2 - External work - Exposed on wall

Scaffolding

Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

Epoxy bonding

Providing, mixing and applying bonding coat of approved adhesive on chipped;portion of RCC as per specifications and direction of Engineer-In-chargecomplete in all respect.Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Laying Ridges for department supplied sheets

Fixing AC/FRP/PVC/metallic ridges and hips AC/FRP/PVC/metallic valleys and barges fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers including shifting,lifting,tools & tackles, labours, scaffolding etc in roofing with suitable fixing accessories or self drilling fastener and EPDM washer etc.(excluding the cost of sheet, purlins, rafters and trusses.The required sheet and fixtures shall be supplied by the company) Corrugated serrated adjustable ridges including shifting, lifting,cutting sheets to size and shape wherever required,all tools,tackles, labours, scaffolding etc.;Level upto 10 m

Fixing AC/FRP/PVC/metallic ridges and hips AC/FRP/PVC/metallic valleys and barges fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers including shifting,lifting,tools & tackles, labours, scaffolding etc in roofing with suitable fixing accessories or self drilling fastener and EPDM washer etc.(excluding the cost of sheet, purlins, rafters and trusses.The required sheet and fixtures shall be supplied by the company)Corrugated serrated adjustable ridges, including shifting, lifting,cutting sheets to size and shape wherever required,all tools,tackles, labours, scaffolding etc.For level from 10mtr to 20mtr

Door elbow 110mm

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement-110 mm dia Door Elbow (45 or 90)

PVC Bend 110mm

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement- 110 mm dia Bend (45 or 90)

PVC Coupling

Providing and fixing PVC moulded fittings/accessories for Rigid PVC pipes,including jointing with PVC solvent cement - 110 mm dia Socket/ coupling

UPVC end d rop 160mm

Providing and fixing UPVC end d rop for rain water gutter of approved brand ,size and shape fixed with necessary screws and sealant

UPVC Center d rop 160mm

Providing and fixing UPVC center d rop for downpipes for rain water gutter of approved brand ,size and shape fixed with necessary screws and sealant

KOLLAM FABRICATORS AND ERECTORS

Bidder Name

KOLLAM FABRICATORS AND ERECTORS

hari sree engg works