Work Method Statement Piloting Works

Procedure

·         Any drawings used for the piloting work must be an approved construction drawings.
·         Approved utilities mapping by utilities detection specialist and, utilities and services provider like Tenaga Nasional Berhad (TNB), Syarikat Bekalan Air Selangor (SYABAS), Jabatan Perkhidmatan Pembetungan (JPP), Telekom, and telecommunication service providers must be scrutinized beforehand. The depth, width and length of the utilities that located within the vicinity of the work area shall be taken into consideration before work commenced.
·         Surveyor shall peg the four corners of the structure. The Contractor shall offset the points given to certain extent so as to ensure the marking will not lost during piloting work.
·         Temporary traffic management will be implemented if the work affects the traffic flow. The area of excavation should be barricaded sufficiently.
·         Piloting work at the pile cap shall be done diagonally from two corners and shall be extended to 1.5 m from the edge of pile cap. This is vital to provide sufficientworkspace.
·         The excavated materials shall be placed neatly at site and the surplus material shall be carted off from site.
·         Water pump shall be used if there is groundwater in the pit.
·         Flood light shall be used if the work take place or prolong at night.
·         The backhoe operator and the workers on the ground shall communicate and coordinate among themselves effectively and must be extra vigilant during piloting work.
·         The contractor shall halted the excavation work once medium of protection and signage of the utilities are visible. The workers on the ground shall use hoe and shovel to further excavate the particular area.
·         The Surveyor shall take the as-built detail of the utilities once it has been discovered and the Contractor shall mark the position of the utilities by offsetting the points so as to ensure the points will not banish during the construction work.
·         The contractor shall take the details of the discovered utilities particularly on the depth, width, length, diameter, girth and numbers of the utilities.The data taken shall be recorded and verified.
·         The Contractor shall reinstate the protection of the utilities as it would be damaging the utilities if it is left unprotected.

·         The excavated area shall be backfilled and reinstated to the original condition once the protection work is completed. The pit shall be filled with suitable filling material free from sharp objects. The surface shall be levelled and compacted properly. 

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