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