Deep Sydney Water reinforced concrete manhole by ausflowsydney_wp | Jul 1, 2018 | 0 comments We are fully accredited and equipped with gas detectors and tripod for confined space entry to Sydney Water’s assets. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.