Construction of Shed for DG Set at Andaman Guest House at Anna Nagar Chennai

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manualmeans over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10sqm on plan) including getting out and disposal of excavated earth leadupto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.

All kinds of soil cum 181.85

Providing and laying in position cement concrete of specified gradeexcluding the cost of centering and shuttering - All work up to plinthlevel :

1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stoneaggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified gradeexcluding the cost of centering and shuttering - All work up to plinthlevel :

1:1½:3 (1 Cement: 1½ coarse sand (zone-III) : 3 graded stoneaggregate 20 mm nominal size)

Steel work in built up tubular (round, square orrectangular hollow tubesetc.) trussesetc.,includingcutting,hoisting,fixing in position andapplying a priming coat of approved steel primer, including welding andbolted with special shaped washers etc. complete.

Hot finished welded type tubes

Providing and fixing precoated galvanised iron profile sheets (size,shape and pitch of corrugation as approved by Engineer-in-charge)0.50 mm (+0.05 %) total coated thickness withzinccoating 120grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 micronsepoxy primer on both side of the sheet and polyester top coat 15-18microns. Sheet should have protective guard film of 25 micronsminimum to avoid scratches during transportation and should besupplied in single length upto 12 metre or as desired by Engineerin-charge. The sheet shall be fixed using self drilling /self tappingscrews of size (5.5x 55 mm) with EPDM seal,complete upto anypitch in horizontal/ vertical or curved surfaces, excluding the cost ofpurlins, rafters and trusses and including cutting to size and shapewherever required.

Providing and fixing 15 cm wide, 45 cm overall semi-circular plainG.S. sheet gutter with iron brackets 40x3mm size, bolts, nuts andwashers etc., including making necessary connections with rainwater pipes complete.

0.63 mm thick with zinc coating not less than 275 gm/m²

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

Two or more coats on new work over an under coat ofsuitable shade with ordinary paint of approved brand andmanufacture

Demolishing cement concrete manually/ by mechanical meansincluding disposal of material within 50 metres lead as per directionof Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent designmix)

Providing and fixing double scaffolding system (cup lock type) onthe exterior side of building/structure, upto 25 metre height, aboveground level, including additional rows of scaffolding in stepped manneras per requirement of site, made with 40mm dia M.S. tube, placed1.5 metre centre to centre, horizontal & vertical tubes joint with cup& lock system with M.S. Tubes, M.S. tube challis, M.S. clamps andstaircase system in the scaffolding for working platform etc. andmaintaining it in a serviceable condition for execution of work ofcleaning and/ or pointing and/ or applying chemical and removing itthereafter. The scaffolding system shall be stiffened with bracings,runners, connecting with the building etc, wherever required, if feasible,for inspection of work at required locations withessential safetyfeatures for the workmen etc., complete as per directions and approvalof Engineer-in-charge.Note:- (1) The elevational area of the scaffolding shall be measuredfor payment purpose. (2) The payment will be made once only forexecution of all items for such works.