FIELD: shipbuilding; treatment of holes in ship's foundations used for installation of items of shipboard machinery and equipment. SUBSTANCE: device includes mould 1 and cross-members 2 provided with U-clamps 3. Centering disks 5 are mounted in one of moulds selected depending on overall dimensions of foundation. Disks are received by holes and are secured by means of nuts 6. Jig bushes 4 fitted in centering disks 5 are used for mounting the cross-members 2; bushes are received by longitudinal slots of these cross-members. The assembly thus made is turned over to have mould at the top and then it is placed on foundation so that retainer 7 is received by respective jig bush; mould is oriented relative to foundation by notches applied on foundation and on mould. Cross-members 2 with jig bushes 4 are secured to foundation by means of U-clamp 3. EFFECT: enhanced reliability. 3 cl, 5 dwg
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