removal and fixing of instrumentation items in board machine at tnpl unit-ii, trichy - 1 removal and fixing of instrumentation items in board machine 2 fabrication and erection of light structurals 3 removal of control valve size 25-50 mm and fixing back 4 removal of control valve size 65-125 mm and fixing back 5 removal of control valve size 150-300 mm and fixing back 6 removal of control valve size 350-650 mm and fixing back 7 removal of mag flow tube and fixing back 8 removal / refixing of hydraulic power cylinders of size 50 mm to 100 mm dia and length upto 1 meter 9 removal / refixing of hydraulic power cylinders of size 125 mm to 300 mm dia and length upto 1 meter 10 removal / refixing of hydraulic power cylinders of size 50 mm to 100 mm dia and length more than 1 meter 11 laying / removal of copper tube of size 6 mm 12 laying / removal of copper tube of size 8mm 13 laying / removal of copper tube of size 12 mm 14 laying / removal of copper tube of size 3 / 8 inch 15 laying / removal of ss tube of size 6 mm 16 laying / removal of ss tube of size 8 mm 17 laying / removal of ss tube of size 12 mm 18 laying / removal of ss tube of size3 / 8 inch 19 cable laying unarmoured up to 8 core ( 0.5 sqmm to 1.5 sqmm ) 20 cable laying armoured up to 8 core signal / digital cable ( 0.5 sqmm to 1.5 sqmm ) 21 cable laying armoured up to 10 - 24 core signal / digital cable ( 0.5 sqmm to 1.5 sqmm ) 22 cable laying armoured up to 5 core power cable ( 0.5 sqmm to 2.5 sqmm ) 23 fabrication and installtion stanchion for transmitter mounting using ms pipe 24 installation of pressure, flow transmitters 25 laying of pu tubes 6mm to 18 mm 26 removal and fixing of 18mm ss tube 27 removal and fixing of 18mm copper tube 28 helper - tnpl unit ii