BOPI 03 BR/2023 REPERTOIRE NUMERIQUE 14 (74) SPOOR & FISHER Inc. NGWAFOR & PARTNERS Sarl, The House of Gideon, Golf/Bastos Quarters, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) A method of isolating a sea chest of a marine vessel. The method comprises sealing an inlet to the sea chest with an isolation apparatus. The isolation apparatus is both transported through a body of water adjacent the vessel and positioned to cover the inlet using a diverless operation. Fig. 1 Consulter le mémoire ________________________________________ (11) 20836 (51) E04B 1/92 (2018.01); E04B 1/94 (2018.01); E04B 2/74 (2018.01); E04G 21/24 (2018.01); E21B 41/00 (2018.01); E21F 7/00 (2018.01) (21) 1202100371 - PCT/IB2020/051197 (22) 13/02/2020 (30) IT n° 102019000002079 du 13/02/2019 (54) Barrier Assembly. (72) DECARLI, Luca (IT); LA ROSA, Laura (IT); DE ANGELIS, Alberto Renato (IT) et VIGNALI, Andrea (IT) (73) ENI S.P.A., Piazzale Enrico Mattei, 1, 00144 ROMA (IT) (74) SPOOR & FISHER Inc. NGWAFOR & PARTNERS Sarl, The House of Gideon, Golf/Bastos Quarters, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) The present invention relates to a hairier assembly for use in protection of personnel at worksites and/or residential areas from escapes of gas. More particularly, this invention relates to a barrier assembly for controlling the lateral and vertical spread of gas in the event of an escape of said gas, even more particularly toxic gas. The invention finds application in all operating sites where gases are produced, and in particular where high concentrations of toxic gases (e.g. CO2, H2S, SO2, mercaptans etc) are present, optionally acting as a safely system in the event of an accidental uncontrolled release of these toxic gases into the atmosphere.
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