Award N° 1170 – Ship building contract – Guarantee claim – Judicial survey – Respect of contractual procedures – Workmanship. No reserve taken by the shipowner, responsible for tuna fishing vessel’s concept, in spite of damages ascertained on delivery, for which a reduction on selling price had been given. Other damages having been discovered during first voyage, shipowner made repairs after claiming for guarantee and a judicial survey. The shipyard was held liable for about 2/3 of repairing costs directly linked to initial damages and within the scope of the guarantee.