J.KUMAR - Mumbai metro Line 1 HomeOur ProjectsDesign & Detailing Page 2J.KUMAR – Mumbai metro line 1 J.KUMAR - Mumbai metro Line 1 Project –Design & Construction Of Balance Work Of Station No. 10 For Navi Mumbai Metro Line 1 ( Package Ca03 )Structure Name – Butterfly Staircase For Concourse To Platform LevelWeight – 150 M.T Back We will get back to you within 24 hours. Call Us: +91-22-67564849 Email Us: info@sgheavy.com