Approximately 2000 meters of Trapezoidal drainage channels and a number of box culverts were constructed under this project. I was the assistant resident engineer of the project and I was responsible for contract administration and site supervision. CE1.3 Supervision of construction of drainage channels I was responsible for the supervision of the construction of the drainage channel embankments. The drainage channel embankment was formed by cut and fill method. I paid particular attention to the soil compaction of the fill embankment so as to avoid differential settlement of the fill embankment, which would damage the facilities to be built on the embankment, I supervised the in-site soil density tests and checked the soil test results so as to ensure there was sufficient compaction for the fill embankment. Beside differential settlement, the stability of the embankment was also concerned the piezometric pressure and the shear strength of the soil could affect the stability of the embankment. As advised by advisory Division of Geotechnical Engineering Office, Geotechnical instrumentation including installation of inclinometer, settlement plate, piezometer and extensometer in the fill embankment was implemented in this project to monitor the stability of the fill embankment. I was responsible for monitoring the geotechnical data and reporting to the Engineer for any substantial change in the data. CE1.4 Site Safety I paid particular attention to the safety and the health of both site personnel and the public. During routine site inspections, I requested the contractor to rectify the deficiencies promptly whenever any potentially dangerous location or operation was identified. As the project involved widening the existing Kam Tin River, water diversion was required during the formation of drainage channels and there was potential hazard of flooding. According to the contractor’s proposed method statement, temporary earth bunds were constructed for water diversion. I was responsible for checking the Contractor’s proposed water diversion schemes ant the temporary works designed by the earth bunds so as to ensure that the construction works were carried out free from flooding hazard and that the stability of the earth bunds were maintained. Moreover, I attended regular Site Safety Management Committee meetings with the Constructor to discuss any unsafe acts found on site and to review the Safety Plan from time to Time. CE1.5 Environmental protection and monitoring Environmental monitoring System was implemented in the project and I was involved in environmental monitoring. As there were huge quantities of earth works involved in the project. I paid particular attention to the generation of dust during construction. To reduce the dust level, I advised the contractor to carry out some mitigation measures, such as water spraying on unpaved roads, water spraying PC3.6 a PE1B.2 c PC1.1 b PC3.4 d PE1B.5 b PC2.6 b PC1.3 b PC3. 3c PE1B. 5a PC1.1 b PC3.2 f 17 COMPETENCY STANDARD HANDBOOK FOR ADVANCED LEVEL ENGINEER
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