bids are invited for digging of earth for installation of poles - earth work in excavation by mechanical measns( hydraulic excavator) /manual means in foundation trenches or drains ( not exceeding 1.5 m in width or 10 sqmon 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. , instllation of poles with cement concrete - providing and laying in postion cement concrete of specified grade excluding the cost of centering and shuttering – all work upto plinth level. , construction of brick walls - brick work with common burnt clay f.p.s ( non modular ) bricks of class designation 7.5 super structure above plinth level to floor v level in all shapes and sizes(1:6) , consruction of half brick wall - half brick msonayr with common brunt clay fps ( non modular bricks of class designation 7.5 in super structure above plinth level uptothe floorv level . , construciton of structure - steel work in built up tubular( round,square or rectangularhollow tubes tec) 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 seamless type tubes. , installation of dyna roof - providingand fixing precoated galvanized iron profile sheets ( sixes,shape and pitch of corrugation as approved by engineer- in –charge) 0.50 mm+(0.05%) total coated thickness with zinc coating 120 grm per sqm as per is:277, in 240 mpa steel grade,5-7 microns epoxy primer on both side of the sheet and polyster top coat 15-18 microns .sheet should have protective guard film of 25 micronsminimum to avoid scratches during transportation and should be supplied in single length upt 12 mtrs or as desired by engineer- in –charge. the sheet shall be fixed using self drilling/self tapping screws of size (5.5x55 mm) with dpdm seal complete upto any pit