Posted by: southernnmm | December 23, 2008

What we do

1. Establishment of Assets

First and foremost, the assets on the Expressways are to be known and established by identifying the through the followings:

a. Construction drawings
b. As-built drawings
c. Visual inspection on site
d. Aerial Inspections

The quantity of assets are thereafter established which shall includes the length, width and height of slopes, pavement and drainage as well as bridges and tunnels.

2. Identification of Assets and Ranking

Upon completion of the establishment of the assets, they are all tagged or being given specific identification. These are all being input into a database systems which will comprise all the description of the assets that includes sketches, photographs, geological description of the soils, basic geometry data,accessibility and defects as found during the inspections.

In PLUS, a TEMAN database (Total Expressways Management Systems) which can be subdivided into ESMaS (for slope), BMMS (for bridge), DMMS (for drainage) and HDM-4 (for Pavement) has been established.

After collection of the above basic data, a prioritization is established to streamline the frequency of inspections. In relations to slope inspections they are ranked as follows:

a. AA Slope – Very High Risk, frequency of inspections is a 4-month cycle
b. A Slope – High Risk, frequency of inspections is a 6-month cycle
c. B Slope – Medium Risk, frequency of inspections is a 12-month cycle
d. C Slope – Low risk, frequency of inspections is an 18-month cycle.


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