corrigendum - repair and replacement of di , ci , ppr pipe lines and connected items of works - excavation in trenches in soft / loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete , returning filling in including spreading leveling well ramming in layers n.exc 25 cm thick in a layers , removing excvated material ( soil ) n.exc 50 mtr and depositing where directed , boring of road for laying of pipe not exceeding 90 cm below ground level all complete m & l for cement concrete type c2 1:3:6 ( 40 mm graded stone aggregate ) for making good to disturbed surface of road etc , taking up ci 150 mm bore water mains ( including all fittings ) , with spigot and socket ends and lead joints including burning out joints and recovering lead. , taking up ci 100 mm bore water mains ( including all fittings ) , with spigot and socket ends and lead joints including burning out joints and recovering lead. existing , supply and laying centrifugualy cast spun ductile iron ( di ) spigot & socket end pressure pipe 100 mm dia of k-9 in trenches complete all as specified and directed. etc