R AND M OF STRUCTURAL STEEL, SHEETING AND PAINTING WORKS FOR POWER HOUSE AREA, AUXILIARY BUILDINGS AND OTHER AREAS INSIDE AND OUTSIDE PLANT OF CPP FOR THE YEAR 2026-2028

Supplying and fixing concertina coil : Supplying and fixing concertina coil of 600 mm dia reinforced punched barbed tape concertina with a stretched up length of 10.0 meter and having 50 nos rounds per 6 metre length including all accessories, joining with galvanized special "U" clips for all heights all complete as per specifications and directions of M-I-C. (Cost of structural post will be paid Separately)

Fabri.of misc. steel str.- (above 0.1MT) : Fabrication of miscellaneous steel structure made out of M.S.joist, angles, channels, flats, plates rods, chequred plate, pipes rails etc.including the cost of all transportation, Labour,consumables, tools, including cleaning the surface and applying a priming coat of approved steel primer (red oxide zinc chromate) etc all complete at any elevation as per the specifications and direction of the Manager-in-charge.( for execution of work above 0.1MT)

Fabri.of misc. steel str.- (upto 0.1MT) : Fabrication of miscellaneous steel structure made out of M.S.joist, angles, channels, flats, plates rods, chequred plate, pipes rails etc.including the cost of all transportation, Labour, consumables, tools, including cleaning the surface and applying a priming coat of approved steel primer (red oxide zinc chromate) etc all complete at any elevation as per the specifications and direction of the Manager-in-charge.( for execution of work upto 0.1MT)

Erect.of misc. steel str.- (above 0.1MT) : Erection of miscellaneous steel structure made out of M.S.joist, angles, channels, flats, plates rods, chequred plate, pipes rails etc.including the cost of welding, bolting, consumables, Labour, tools, hoisting arrangement, transportation, cutting grooves/ holes for proper alignment and making joints with old structure etc. at any elevation all complete as per the specifications and direction of the Manager-in-charge.( for execution of work above 0.1MT)

Dismantling of steel structures : Dismantling of steel structure made of single or any built up section with joist angles, flats, rods, plates, chequred plate etc. by necessary gas cutting/chiseling, hammering, cutting groove, making holes if necessary by chipping and removing the dismantled structure to place for reuse or to NALCO Stores as per the instruction of the Engineer-in-charge.(At all Elevations)

Fabrication of M.S.grill/grating, hand : Fabrication of M.S.grill/grating, hand railing made out of angles, flats, pipe, rods etc.including welding, cutting, & cost of all transportation labourers, consumables, tools & tackles including cleaning the surface and applying a priming coat of approved steel primer (red oxide zinc chromate) etc all complete as per the specifications and direction of the Manager-in-charge.( At all Elevations)

Erection of M.S.grill/grating, hand rai : Erection of M.S.grill/grating, hand railing made out of angles, flats, pipe, rods etc.including welding, bolting, cutting, hoisting arrangement, cutting groves/ holes for proper alignment & necessary jointing with old grills/grating & cost of all transportation labourers, consumables, tools & tackles complete all as per direction Manager-in-charge at all elevation complete.(At all elevations)

Removal of existing MS grill/cover/grati : Removal or fixing of existing M.S grill/ grating/ cover by necessary gas cutting, welding, chiseling, hammering, cutting grove by chipping , stacking/ fixing in proper position etc all complete as per specifications and directions of M-I-C.

Painting of Grills/grating : Painting of Grills/grating with synthetic enamel paint two coat over a coat of primer.

Painting with one coat of red oxide : Painting with one coat of red oxide/ zinc chromate paint of Asian/ Berger make on steel structure including necessary scraping and cleaning the surface from loose dust, dirt, pill out paint, rust or any other foreign materials including the cost of all materials, labour, scaffolding etc. & removal of the scaffolding after the painting is over all complete at all elevation as per specifications and directions of M-I-C.

P/A Synthetic enamel paint-Two coats : Providing and applying two coats synthetic enamel paint of Asian/ Berger make of any approved shade on steel structure including necessary scraping and cleaning the surface from loose dust, dirt, pill out paint, rust or any other foreign materials including the cost of all materials, labour, scaffolding etc. & removal of the scaffolding after the painting is over all complete at all elevation as per specifications and directions of M-I-C.

P/A Synthetic enamel paint-One coats : Providing and applying one coat synthetic enamel paint of Asian/ Berger make of any approved shade on steel structure including necessary scraping and cleaning the surface from loose dust, dirt, pill out paint, rust or any other foreign materials including the cost of all materials, labour, scaffolding etc. & removal of the scaffolding after the painting is over all complete at all elevation as per specifications and directions of M-I-C

P/A Aluminium paint- Two Coats : Providing and applying two coats Aluminium paint of Asian/ Berger make of any approved shade on steel structure including necessary scraping and cleaning the surface from loose dust, dirt, pill out paint, rust or any other foreign materials including the cost of all materials, labour, scaffolding etc. & removal of the scaffolding after the painting is over all complete at all elevation as per specifications and directions of M-I-C.

P/A Aluminium paint- One Coats : Providing and applying one coat Aluminium paint of Asian/ Berger make of any approved shade on steel structure including necessary scraping and cleaning the surface from loose dust, dirt, pill out paint, rust or any other foreign materials including the cost of all materials, labour, scaffolding etc. & removal of the scaffolding after the painting is over all complete at all elevation as per specifications and directions of M-I-C.

P/A Epoxy paint (two or more coats) : Providing and applying 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 as per specifications and directions of M-I-C.

CGI corrugated sheet roofing(above 10sqm : CGI corrugated sheet roofing with new/old sheets (CGI/ Precoated GI) with necessary GI "J" or #L" hooks of 8 mm dia/ self driven screws, seam bolts & nuts, EPDM & G.I washer for all height with required cutting to shape, size, lifting & transporting arrangement, all complete as per the specifications and directions of the Manager-in-charge. CGI/ Precoated sheet will be supplied by Nalco's store as free issue basis. (For execution of work above 10 sqm)

CGI corrugated sheet roofing(upto 10sqm : CGI corrugated sheet roofing with new/old sheets (CGI/ Precoated GI) with necessary GI "J" or #L" hooks of 8 mm dia/ self driven screws, seam bolts & nuts, EPDM & G.I washer for all height with required cutting to shape, size, lifting & transporting arrangement, all complete as per the specifications and directions of the Manager-in-charge. CGI/ Precoated sheet will be supplied by Nalco's store as free issue basis.(For execution of work upto 10 sqm)

Erect.of misc. steel str.- (upto 0.1MT) : Erection of miscellaneous steel structure made out of M.S.joist, angles, channels, flats, plates rods, chequred plate, pipes rails etc.including the cost of welding, bolting, consumables, Labour, tools, hoisting arrangement, transportation, cutting grooves/ holes for proper alignment and making joints with old structure at any elevation etc all complete as per the specifications and direction of the Manager-in-charge. (for execution of work upto 0.1MT)

P/F precoated sheets : Providing and fixing precoated sheets of TATA Bluescope LYSAGHT TRIMDEK 1015 or equivalent including Ridges plain (upto 600mm)/ Flashings/Aprons (Upto 600 mm)/ Barge board (Upto 300 mm) etc. The sheets shall be manufactured out of nominal 0.45 mm Base Metal Thickness (BMT) , high tensile steel with minimum 550 MPa yield strength, metallic hot dipped coated with Al-Zn alloy (55% Aluminium. 43.5% Zinc, 1.5% Si), coating class AZ150 (min. 150 g/sqm total on both sides) as per IS 15961. Total coated thickness and Total Painted thickness of the sheets shall be 0.50 mm and 0.53 mm respectively. The sheets shall have a total coating thickness of 35 microns comprising of super durable polyester top coat of 20 microns on exposed surface, 5 micron reverse polyester coat on back surface and over 5 micron primer coat on both surfaces of approved colour suitable for exterior application conforming to IS 15965 class 3. The Sheets should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 6 metre. The sheets shall have brand mark at regular intervals on the reverse side of profile including name of the profile and Total Paint Thickness for confirming genuinity of the material. The manufacturer's test certificate for the chemical and mechanical properties must be submitted for approval by the concerned authority prior to installation. The sheet shall be fixed using self drilling /self tapping steel screws of Hilti/ Tata Bluescope/ Jindal stainless steel of size (5.5x 55 mm) with EPDM seal, all 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, sealing of openings/ holes wherever required for all elevation as per specifications and directions of Manager-in-charge

P/F fiberglass reinforced plastic sheet : Providing & fixing 2 mm thick corrugated / trough UV stabilized fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with 'J' or 'L' hooks/ Self driven screws, bolts & nuts 8mm dia. G.I plain/ EPDM washers complete but excluding the cost of purlins, rafters, trusses etc. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as per specifications and directions of M-I-C.

Fixing of GI/Al ridge : Fixing of GI/Al ridge & valley gutter including necessary jointing and sealing with J or L hooks/ self driven screws, seam bolts & nuts, EPDM & GI washer etc. all complete at all elevation as per specifications and directions of M-I-C. (Plain GI/ Al sheets shall be supplied by NALCO store as FIM.)

Fixing wind ties : Fixing wind ties of M.S flat with necessary drilling, nuts & bolts ,washer etc.including painting with two coats of synthetic enamel paint over a coat of red oxide primer for all elevation complete as per the specifications and directions of the Manager-in-charge

P/L water proofing treatment(Flash strip : Providing and laying water proofing treatment with self adhesive flash strip Lafarge/STP or equivalent over roof AC/ GI/ Al sheets etc. in position including over lapping adjoining surfaces by 15mm as per specifications and directions of M-I-C.

Dismantling/ removing of old AC/ GI/ Al : Dismantling/ removing of old AC/ GI/ Al sheets including ridge, valley gutter etc and stacking properly the serviceable materials and disposal of unserviceable materials to designated areas (scrap yard) for all elevation complete as per the specifications and directions of the Manager-in-charge

Electric arc welding on steel works : Electric arc welding on steel works, pressed steel doors, windows etc. for rectification job at any elevation including cost of all consumables, tools, plant, labour etc. wherever necessary all complete as per specifications and directions of M-I-C.

Cutting of steel structure : Cutting of steel structure of any size & shape by gas including the cost of all labourers, tools, tackles, consumables etc. all complete as per specifications and directions of M-I-C.

Repairing of MS door/ window : Repairing of MS door/ window including necessary cutting, welding, fixing etc complete at all elevation as per specifications and directions of M-I-C. (major spare will be paid extra as per item no 28 to 33)

Providing and fixing Butt hinges : Providing and fixing Butt hinges of size upto (125mm x 65mm x 2.12mm) for repairing of M.S. steel doors and windows including fixing in position, welding, bolting with necessary screws etc all complete as per specifications and directions of M-I-C.

Providing and fixing of Tower bolt: Providing and fixing of Tower bolt (150mmx10mm) for repairing of M.S. steel doors and windows including fixing in position, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C.

Providing and fixing of Sliding door bol : Providing and fixing of Sliding door bolt (300mm x 16mm) for repairing of M.S. steel doors including fixing in position, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C.

Providing and fixing of Door ring : Providing and fixing of Door ring (10/12mm Q) for repairing of M.S. steel doors and windows including fixing in position, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C.

Providing and fixing M.S. handles : Providing and fixing M.S. handles of size upto 125 mm for repairing of M.S. steel doors and windows including fixing in position, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C.

Providing & fixing single action spring : Providing & fixing single action spring hinge 150mm for repairing of M.S. steel doors and windows including fixing in position, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C.

Providing and fixing MS bolts : Providing and fixing MS bolts as per required size and length including nuts, washers etc. all complete as per specifications and directions of M-I-C

Providing and fixing hydraulic door clos : Providing and fixing in position approved make heavy duty type overhead hydraulic door closer (Hyper/ Godrej or equivalent) with double speed adjustment including necessary accessories, welding, bolting with necessary screws etc. all complete as per specifications and directions of M-I-C

S/F of welded steel wire fabric : Supplying and fixing of welded steel wire fabric of required width with rectangular mesh 75 mm x 25 mm size (3.25 mm or 10 SWG thick) including making frame work with MS flat or angle and fixing the same in existing steel structure with welding/ bolting as per requirement including painting with one/two coats of synthetic enamel paint over a coat of red oxide primer (Note: Structural steel work and synthetic enemal painting will be paid separately under scheduled items.)

S/F of G.I. barbed wire : Supplying, fixing & tensioning in position G.I. barbed wire with necessary pin, staplers etc on the angle iron post, 12 gauges, 2 ply, 4 points. All complete as per specifications and directions of M-I-C.

Dismantling of Barbed wire/ chain link f : Dismantling of Barbed wire/

chain link fencing etc including making rolls, bundles of dismantled materials after segregation of serviceable & unserviceable materials and handing over of the respective materials at designated locations all complete as per specifications and directions of M-I-C.