Technical Update Cawangan Jalan Bil. 4/2017
One of the important aspects in design process is to consider maintainability upon completion of the project. This process, which is called maintenance design, identifies the optimal frequency of maintenance for each component of any road project. Thus, maintenance can be planned, scheduled and prioritized for optimal road performance and life cycle cost of the project.
The better the road is built, the slower the rate of deterioration will be and therefore the less maintenance required. A poor road, however, will quickly deteriorate and will need very frequent maintenance. Thus, we need to strike a balance somewhere between the extremes of a) Design and build a road that needs no repair or routine maintenance over its lifespan, very expensive to build but cheaper to operate; or b) Build a road with very little design input that needs a lot of repair, high maintenance and frequent rehabilitation over its life, very cheap to build but very expensive to operate.
This is where an optimally safe and efficient design can be achieved when design principles are applied in conjunction with the optimal maintenance design. It also provides significant benefits for the road users such as safety, comfort and reduce public complaint.
The content of this technical update will try to elaborate on the maintenance issues that commonly occurs in geometric design, pavement design, drainage design and road furniture.