e-mosty June 2017: Osman Gazi B. US Suspension. Hålogaland B. e-mosty June 2017: Suspension Bridges | Page 34

The following table describes some of the primary tasks: Scope Outside of Piers, Anchorage Blocks, Towers Outside Girders Inspection Task Surface of concrete and steel, attached elements and access ways use of available access ways and binocular. Surface of steel surfaces, attached components and access ways. Use of girder gantries or use binocular where gantry is not available. Inside of: Walk through. Signs of un-tightness of access -Girders ways, ingress of water and integrity of M&E -Tower components. Check of dehumidification -Anchorage Block system up and running. Inside pier Walk through. Signs of un-tightness of access ways, ingress of water and integrity of M&E components. Main Cable Walk on main cable and check of condition of cable, hand strands and attached items. Hanger Cables Surface of steel surfaces, interface to girder. Use binocular for free stretch and upper socket. Bearings and Inspect each. Function, position and Hydraulic Buffers condition of bearings and buffers. Check also suppliers O&M Manual. Expansion Joints Visual inspect. Condition and function of road expansion joint. Check for odd noise, unintended movements, and loose or worn components. Check also suppliers O&M Manual. Carriageway and Drive through by walkway and occasional Inspection stops with walkabouts for closer inspection. Walkway Condition of road surfacing, barriers, parapets, wind screens, drainage, fire system and other installations. Girder Gantries and Cable Carriages and Hanger Basket Lighting Inspect and test. Function and safety of installed gantries and carriages. Check for odd noise, unintended movements, and loose or worn components. Check also suppliers O&M Manual. Drive/walk through. Function of external lighting of road and inspection walkway, maritime and navigation lights Maintenance Task Initiation of corrective works if needed. Frequency Annually Initiation of corrective works if needed. Annually Initiation of corrective works if needed. Semi- annually Initiation of corrective works if needed. Annually. Initiation of corrective works if needed Initiation of corrective works if needed Quarterly. Initiation of corrective works if needed Semi- annually Preventive maintenance work to prevent function failure. Initiation of corrective works if needed. Cleaning. Collection of litter and dropped items. Fixation of loose items. Initiate interim repair of potholes. Setup of warning signs. Preventive maintenance work to prevent function failure or major repair. Initiation of corrective works if needed. Change of bulbs and fuses Monthly. Quarterly. Daily and on standby Monthly. Weekly. Table 1: Scope and extent of overall Routine Inspection Programme 2/2017