Tham khảo tài liệu 'guide to ship repair estimates episode 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Figure 18 Control panels of a ship s auxiliary equipment Electrical works 81 Table Man-hours for installations of electric cable conduit per metre galvanized steel conduit including brackets and fastenings Size mm Man-hours per metre 20 25 32 Including Handling and installing in place numbers of lengths as indicated of electric cable conduit. Man-hours shown are for installation of exposed cable conduit up to heights of 3 metres on exposed flat surfaces. Exclusions Material costs. These figures show man-hours charges only. Any removals of existing or old cable conduit. These man-hours are for new installations only. Installation of scaffolding and any access work. These to be covered in separate sections. Notes Man-hours shown are for the installation of a single length of cable conduit. For additional height increase tariff as follows 3-5 metres increase by 5 5-8 metres increase by 10 8-12 metres increase by 15 82 Guide to Ship Repair Estimates in Man-hours 7 General works Table General cleaning a Berthing vessel alongside special tank cleaning berth. b Receiving of bilge water or slops into shore facility using ship s pumps. c Removing sludge deposits from tanks and disposal ashore. a Man-hours minimum charge b Man-hours per 20 tonnes minimum c Man-hours per 10 tonnes minimum 150 105 Notes a This rate may vary depending upon shipyard. An hourly rate will apply with a minimum charge being levied as shown in the figure above. b The rate for collection of bilge water or slops will depend upon the receiving facility and the rate levied for a . For collection by road tankers separate quote should be requested. General works .