Public Works Department Tender

CEMENT CONCRETE (CAST IN SITU)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-Ill) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:

1:2:4 (1 Cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form work for:

Foundations, footings, bases for columns

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

STEEL WORK

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

FLOORING

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

ROOFING

Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws cmplete:

Gutter (600 mm over all girth)

FINISHING

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and of required said and colour complete to give and even said.

Old work (one or more coats)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

One or more coats on old work

Finishing walls with Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 Itil 10 sqm) on existing cement paint surface

Dismantling and Demolishing

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :

Of area 3 sq. metres and below

ROAD WORK

Providing and fixing G.I. chain link fabric fencing of required width inmesh size 50x50 mm including strengthening with 2 mm dia wire ornuts, bolts and washers as required complete as per the direction of Engineer-in-charge.

Made of G.I. wire of dia. 4 mm, PVC coated to achieveouter dia not less than 5 mm in required colour and shade

NEW TECHNOLOGIES AND MATERIALS

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid door/window/Clerestory Yvindows & other Frames/Chowkhat comprising of virgin PVC polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full body threaded star headed SS screws having minimum frame density of 750 kg/cum, screw withdrawal strength of 2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2, modulus of elasticity 900 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture proof and fire retardant and fixed in position with M.S hold fast/lugs/SS dash fasteners of required dia and length complete as per direction of Engineer-In- Charge. (M.S hold fast/lugs or SS dash fasteners shall be paid for separately). Note: For WPC solid door/window frames, minus 5mm tolerance in dimensions i.e depth and width of profile shall be acceptable. Variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made.

Size 125mmx65mm

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid plain flush door shutter of required size comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture proof and fire retardant and fixing with stainless steel butt hinges of required size with necessary full body threaded star headed counter sunk S.S screws, all as per direction of Engineer-In- Charge. (Note: stainless steel butt hinges and necessary S.S screws shall be paid separately)

30 mm thick shutter and Panel

NON SCHEDULE ITEMS

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of stone aggregate 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Providing and fixing 50 mm dia PVC weep holes i/c cutting and placing it at regular interval of 1.50 mtr in walls as per the direction of E.I.C.

Providing cement concrete surface drain in given average size with 100 mm thick bed concrete with 1:4:8 (1cement : 4 coarse sand: 8 graded stone aggregate 40 mm nominal size) 150 mm thick both side walls with 1:3:6 ( 1 cement :3 coarse sand :6 graded stone aggregate 40 mm nominal size) i/c 12 mm cement plaster 1:4 (1cement : 4 coarse sand) with floating coat of neat cement inside the drain and its top and eposed surface including earthwork in excavation and disposal of surplus earth within a lead of 50m.

Size 15x15 Cm