For construction in an underwater environment such as a river or the sea, please contact "Japan Marine Service" which has special technology and construction methods (underwater wire sewing method, temporary deadline LPF construction method, etc.). Efficiently and safely removes structures underwater in an environment that was previously impossible. It is not affected by the working water depth and there is no worry of man-made disaster. See details on the construction method Construction flow When repairing or reinforcing piers installed in water such as rivers and the sea, the liner plate for temporary deadlines is sent out and installed in the vertical direction (underwater). Construction flow See from the association homepage In air diving work using a compressor, carbon monoxide is detected by a sensor to prevent carbon monoxide poisoning by divers. Inquiries about the device Underwater stud welding system MJP cleaning system Muddy water treatment system applying MJP Backfilling by MJP Underwater large formwork system Underwater wire sewing system Other underwater works Juhachikaimaru (FRP) 2.3t with crane Registration number No. 281-34868 Total tons 19t Maximum output 590PS Ship length 16.00M (measured 19.20m) Ship width 4.96m (actual measurement 5.50m ) Draft of a ship 1.28m home Business guidance (special technology / construction) Construction results so far Company Profile Contact Us 〒590-0907 3 126-4 Midoricho, Sakai-ku, Sakai-shi, Osaka / TEL: 072-229-5232 (main) / FAX: 072-229-5479 Minister of Land, Infrastructure, Transport and Tourism permission (special-24) No. 17307 COPYRIGHT © NIHON KAIYO SERVICE CORPORATION ALL RIGHTS RESERVED.