Assessment & Testing of Jacketing Pier Structure on Kali Ancol , DKI Jakarta

Toll Road Ir. Wiyoto Wiyono, MSc Cawang Tanjung Priok – Pluit section that serves as a connecting road to the port of Tanjung Priok and Soekarno Hatta International Airport is a toll road managed by PT. Citra Marga Nusaphala Persada and one of the vital roads in supporting the national economy. With the increase in economic development followed by an increase in the number of toll road users as well as the amount of tonnage on elevated roads and uncontrolled environmental aspects, it is probable that the flyover will receive a negative influence from the problem. Besides that, part of the elevated road is in a tidal area, so that it is continuously submerged by industrial and household wastewater, which will worsen the effect on the structure.

Pier structure elements in the overpass structure are in the water, so that it is affected by the tidal Kali Ancol which empties into the sea, where tidal height can reach 1 m. Nevertheless, Pier on land is also affected by the water environment in Ancol River, which is in the form of relatively high humidity.

With consideration because Jacketing Pier on the port toll road section has cracked and porous in Jacketing construction, so to ascertain the causes and impacts that will occur need to be tested on the Jacketing Pier. Therefore Jacketing Pier on the port toll road needs to be carried out structural inspection (Forensic Assessment includes NDT and DT Testing).

It is very necessary to know the actual conditions and preventive actions on the Jacketing Pier. Tests carried out are the Non Destructive Test (NDT) and Destructive Test (DT). PT Graha Survey Indonesia is assigned to conduct the inspection with the aim of evaluating the area by conducting an assessment and testing to be able to provide recommendations for proper handling.

The purpose of this examination is to identify the actual condition of Jacketing Pier. While the purpose of this activity is to get a picture of the actual condition of the structure in the field. The objectives of this activity are :

• Obtain information on the condition of building elements by performing a visual, special inspection, NDT and DT.
• Obtain information on the condition of the Jacketing Pier structure and get recommendations for proper handling.