CONTRACT FOR CIVIL AND STRUCTURAL STEEL WORKS FOR CONSTRUCTION OF VARIOUS SHEDS AT WTP AND SGP AT RCF THAL

Excavation by any means (Mechanical / Manual) for foundation in earth, soil of all types, sand, gravel and soft /hard murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. (Lift upto 1.50 m.)

Providing dry rubble stone pitching 23 cm (about 9 ) thick including all material, quarry spalls, labour etc. complete.

Providing and laying plain cement concrete in proportion 1:2:4 (M15) using 20/40 mm nominal size graded coarse aggregate, machine/manually mixed & compacted including cost of centering and shuttering & curing etc. complete.

Providing and laying cast in situ reinforced cement concrete of grade M-25 (using 20 mm, nominal gauge graded stone aggregate) in foundations, machine mixed and mechanically vibrated and finished to a fair face including the cost of centering, shuttering, compaction, curing but excluding the cost reinforcement steel etc. complete.

Providing and laying cast in situ reinforced cement concrete of grade M-25 (using 20 mm, nominal gauge graded stone aggregate) in beams at any level, machine mixed and mechanically vibrated and finished to a fair face including the cost of centering, shuttering, compaction, curing but excluding the cost reinforcement steel etc. complete.

Providing and laying cast in situ reinforced cement concrete of grade M-25 (using 20 mm, nominal gauge graded stone aggregate) in columns, machine mixed and mechanically vibrated and finished to a fair face including the cost of centering, shuttering, compaction, curing but excluding the cost reinforcement steel etc. complete.

Providing and laying cast in situ reinforced cement concrete of grade M-25 (using 20 mm, nominal gauge graded stone aggregate) in slabs, machine mixed and mechanically vibrated and finished to a fair face including the cost of centering, shuttering, compaction, curing but excluding the cost reinforcement steel etc. complete.

Supply, cut, bend and fix in position TMT Fe-500 bars for all diameters confirming to is 1786, including tying with binding wire (16 swg annealed wire) or welding, steel reinforcement for all reinforced concrete at all locations and levels, including transporting, handling etc. complete.

Providing and laying 18 mm thk., heavy duty metallic topping (ironite or equivalent @ 4 Kg per Sqmt ) for flooring in cement mortar 1:2, over existing concrete bed and as per manufacturers specifications including leveling, curing, finishing etc complete as directed by Engineer In Charge

Providing fly ash brick masonry with conventional/ I.S. type bricks in cement mortar 1:6 in superstructure including striking joints, raking out joints, watering and scaffolding etc. Complete

Providing Autoclaved areated concrete block masonry of approved manufacture confirming to IS 2185 Part III 1984 of size 600 mm x 200mm and thickness 100,150, 200 or 250 mm using Ready to use BLOCK JOINT MORTAR1:6 in walls including bailing out water, striking joints on unexposed faces, racking out joints on exposed faces and watering complete.

Providing second class Burnt Brick masonry with conventional/ I.S. type bricks in cement mortar 1:6 in plinth/ Superstructure as backing in composite masonry including bailing out water manually, striking joints, raking out joints and watering etc Complete.

Providing internal / external 12 mm thick Ready Mix plaster confirming to IS:4031 (Part-4) 1988 and IS 383-1970 in a single coat using Cement mortar of proportion 1:4 containing special type of polymer additives about 0.4%, to all type of surfaces in all positions including scaffolding and curing complete.

Providing internal / external 20 mm thick Ready Mix plaster confirming to IS:4031 (Part-4) 1988 and IS 383-1970 in a single coat using Cement mortar of proportion 1:4 containing special type of polymer additives about 0.4%, to all type of surfaces in all positions including scaffolding and curing complete.

Suppling, Drilling/Cleaning hole and fixing make heavy duty Chemical Anchor of size M10x90 of 'Hilti' make or equivalent, and fixing plates subsequently. Anchor comprises of HVU-2 flexible foil capsule that contains styrene free Urethane Methacrylate resin, hardener, quartz, sand/corundum and HAS-U threaded rod of minimum 5.8 steel grade, galvanized to minimum 5 microns. Application at site should be done as per manufacturer guidelines.

Providing and fabricating structural steel work in rolled sections like joists, channels,angles, tees etc. as per detailed design and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position making riveted / bolted /welded connections without connecting plates, braces etc. and including painting with anti corrosive epoxy paint ( one primer and over it two coats) of approved quality and shade, including preparing the surfce by mechanical buffing etc.complete.

Fabricating structural steel work in rolled sections like joists, channels,angles, tees etc. as per detailed design and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position making riveted / bolted /welded connections without connecting plates, braces etc. and including painting with anti corrosive epoxy paint ( one primer and over it two coats) of approved quality and shade, including preparing the surfce by mechanical buffing etc.complete. (Structural stee , Paint and Primner will be provided by RCF inside Factory premises / stores . Shifting material by gettiung issue note etc to site is contracors scope. All consumables welding rod, Gas is in contractors scope.

Providing and applying one primer coat and two coats of anti-algal, anti-fungal exterior acrylic emulsion paint of an approved make and colour as per manufacturers specifications to any surfaces including cleaning ,preparing the surface, scaffolding if necessary

Providing 25 mm to 30 mm thick door/window sills of one side polished black kadappa stone slab of approved quality including giving required size and shape etc. Fixing in cement mortar 1:3 curing and cement etc. complete.

Providing and fixing M.S. door, fabricated by using M.S. angels 40x40x6 mm for frame and diagonal braces, 3 mm M.S. plate on front side, with all necessary fittings (ms aldrop, hinges etc.) complete, including applying a priming coat of approved steel primer & two coats of synthetic enamel paint of approved shade.

Providing and fixing solid core flush door shutter commercial in single leaf 32 mm thick without ventilator commercial type of exterior grade as per detailed drawings with wrought iron hold fast, stainless steel fixtures and fastenings and handles on both sides and finishing with oil painting 3 coats complete.

Providing and fixing crimped with G.I. mesh and size 20 mm x 20mm 10 guage to iron angle frame including welding crimp mesh to angle frame and steel flat, fixing the frame in its original position and oil painting etc.complete ( excluding cost of structural steel)

Providing and fixing colour coated Galvalume AZ150 ( min 150 gms/sq.mt.on each side ) profiled sheets for roofing. The feed material is manufactured out of nominal 0.45 mm Base Metal Thickness ( BMT ) (0.5 mm TCT ), Hi-strength steel with min.550 MPa yield strength, metallic hot dip coated with Aluminium-Zinc alloy (55% aluminium 43.4% zinc 1.6% silicon) with super durable polyester paint coat ( with inorganic pigment). The paint shall have a total coating thickness of nominal 35 um, comprising of nominal 25 um exterior coat on top surface and nominal 10 um reverse coat on back surface. Profile sheet shall have nom. 950-1050 mm effective cover width and nominal 25-30 mm deep ribs with subtle square fluting in the five pan at nominal 180-250 mm center- to-center. The end rib shall be designed for anti-capillary groove. and return leg. The feed material should have coil manufacturers product details marked a regular interval. Including fasteners with min. fastened with min. 25 um Zinc-Tin alloy coated, Hex head, self-drilling screw etc.complete. (weight of profile 4.52 Kilogram/ One Square Metre).

Providing and fixing in position. (as per I.S.1868 / 1982) Aluminium sliding window of two tracks with rectangular pipe having overall dimension 63.50 x 38.10 x 1.02 mm at weight 0.547 Kilogram/One Running Metre. and window frame bottom track section 61.85 x 31.75 x 1.20 mm at weight 0.695 Kilogram/One Running Metre. Top and side track section 61.85 x 31.75 x 1.30 mm at weight 0.659 Kilogram/One Running Metre. The shutter should be of bearing bottom 40 x 18 x 1.25 mm at weight 0.417 Kilogram/One Running Metre. Inter locking section 40 x 18 x 1.10 mm at weight 0.469 Kilogram/One Running Metre. And handle section 40 x 18 x 1.25 mm at weight 0.417 Kilogram/One Running Metre. and top section 40 x 18 x 1.25 mm at weight 0.417 Kilogram/Running metre. As per detailed drawings and as directed by Engineer in charge with all necessary Aluminium sections fixtures and fastenings such as roller bearing in nylon casting and self locking catch fitted in vertical section of shutter including 5 mm thick plain glass with all required screws and nuts etc, complete. With colour Anodising without box

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