FIELD: transport.
SUBSTANCE: levelling appliance (166) for levelling the second long element (28) with the first long element (14) is meant for underwater laying of said elements in the structure one above the other. Claimed appliance includes the retaining structure (168) to cover the first element. Saud structure has the opening to locate the first element so that the latter can displace in lengthwise direction through said opening towards the exit. Attachment locations (180) are meant for securing of the appliance bed, its support or control over its lengthwise and/or inclined position relative to the first element displacement through aforesaid opening.
EFFECT: higher reliability of levelling device.
17 cl, 5 dwg
