Maintenance of NH205 Shimla Matour road from Km 0/00 to 43/100

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. including all lead lift and carriage of material by all mode of transportation as per satisfaction and direction of the Engineer-In-Charge.

Providing and laying in position cement concrete of specified grade including the cost of centering and shuttering - All work up to plinth level :1:3:6 (1 Cement : 3 coarse sand) : 6 graded stone aggregate 20 mm nominal size) as per satisfaction and direction of the Engineer-In-Charge.

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, including the cost of centering, shuttering and finishing : 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) as per satisfaction and direction of the Engineer-In-Charge.

Providing weep holes in brick masonary /plain/reinforced concrete abutment, wing wall/return wall with 100mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawings face complete as per drawing and Technical Specifications

Providing and fixing of steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc. including fabrication,hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers, etc. complete (Ref: DSR 2013-Item No. 10.16.1) a Hot finished welded type tubes (TATA STRUCTUURA/JINDAL MAKE) conforming to IS:1161&YST 210 type. Tubes shall be clean, finished and reasonably free from scale. the standard size and weight of the tubes of the hollow section shall be as per IS:4923 Washers shall be specially shaped where necessary or other means use to give the nuts and heads of the bolt a satisfactory bearing,weight of the cleats, brackets packing pieces, bolts, nuts ,washers, distance pieces separators, diapharam, gusseests fish plates, etc. shall be added to the weight of the respective items by all mode of transportation to the entire satisfaction and direction of the Engineer-In Charge.

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 including all lead lift and carriage of material by all mode of transportation as per satisfaction and direction of the Engineer-In-Charge..

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 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. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, 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 wherever required including all lead lift and carriage of material by all mode of transportation as per satisfaction and direction of the Engineer-In-Charge.

Providing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete.0.80 mm thick with zinc coating not less than 275 gm/m² including all lead lift and carriage of material by all mode of transportation as per satisfaction and direction of the Engineer-In-Charge.

Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete :1.60 mm thick with zinc coating not less than 350 gm/m² including all lead lift and carriage of material by all mode of transportation as per satisfaction and direction of the Engineer-In-Charge.