ITBP/SHQ SNR/ENGR/37 BN/GREEN HUT ZURSAR/191/2025/11860-65 DTD 12/12/25

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)

Random rubble masonry with hard stone in superstructure above plinth level and upto floor five level, including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) at window sills, ceiling level and the like.

Providing and fixing T-iron frames for doors, windows and ventilators of mild steel Tee-sections, joints mitred and welded, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer. Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size).

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Hot finished welded type tubes

15 mm cement plaster on rough side of single or half brick wall of mix: 1:6 (1 cement: 6 coarse sand)

Finishing walls with water proofing cement paint of required shade : New work (Two or more coats applied @ 3.84 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. Two coats

Providing and fixing Puf Roof paneling 60 mm .The Roof pannel shall be made of panels with 0.45 mm thick PPGI steel ribbed cladding on both side rigid CFC free polyurethane foam of density 40 kg+/-2kg/cum as insulation. The thickness of PU foam shall be 60 mm.The panel will be jointed with can lock & tongue and groove arrangement produced on discontinues panel production line. The 'PUF insulation material in the panel shall have fire retarding and self extinguishing property as per international standard with flammability B1 grade. The material required for manufacturing of panel will be new and will comply with relevant IS as applicable. The PUF insulation material used in the panels should conform to IS 12436-1988. The panel will be of termite proof and Nil water absorption. The manufacturer of PUF panel shall have test certificate/report for fire BS 476 chapter V,VI,VII from CBRI Roorkee for any sample of PUF panel. Each panel should be supplied prepainted with a color coating of 50 microns of architectural polyster on a min. 175 gms/per sqm base of zinc coating on the finished surface for protection against scratches during handling and transportation.. The sheet shall be fixed using self drilling/ self tapping screws of required size with EPDM seal complete up to 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.

Providing and fixing 16mm thick Polycorbonate sheet on roofing with suitable screw etc. complete (frame work to be paid seperatately).