provision of medical gas pipeline:-2 copper pipe 12 mm ( 1 mtr ) 3 copper pipe 15 mm ( 1 mtr ) 4 oxygen outlet point ( 1 nos ) 5 oxygen flow meter ( 1 nos ) 6 isolation valve 12 mm ( 1 nos ) 7 isolation valve 15 mm ( 1 nos ) 8 oxygen single gas alarm ( 1 nos ) 9 oxygen manifold 4+4 with tail pipe ( 1 set ) 10 oxygen manifold 2+2 with tail pipe ( 1 set ) 11 oxygen emergency manifold 1+1 with tail pipe ( 1 set ) 12 oxygen emergency manifold 2+2 with tail pipe ( 1 set ) 13 oxygen fully automatic control panel ( 1 set ) 14 oxygen platform iron angle structure complete ( 4+4 ) ( 1 set ) 15 oxygen platform iron angle structure complete ( 2+2 ) ( 1 set )