BS ISO 7236 pdf download Ships and marine technology — Inland navigation vessels — Mounting attachments for demountable signal masts for push-tows 1 Scope This International Standard applies to mounting attachments for demountable masts with an integramast lower part for the placing of lights on push barges. It specifies construction, dimensionsmanufacture,arrangement, and means of attachment. 2 Normative references The following...