Mumbai, Oct 17 : The Chhatrapati Shivaji Maharaj International Airport (CSMIA) completed its planned post-monsoon runway maintenance, and resumed normal flight operations after six hours, an official said here on Tuesday. The repairs and maintenance works were carried out from 11 a.m. to 5 p.m. on the two runways -- 09/27 and 14/32 -- as part of the annual exercise to enhance the operational efficiency of the CSMIA, with a six-month advance notice, as it handles more than 930 flights daily. On Tuesday, the maintenance teams undertook the installation of runway edge lights for portion of intersection of runway 14/32, trenching work for laying underground cables for segregation of AGL (Aeronautical ground lights) near the beginning of runway 09, validation of strength of RESA (runway end safety area) for runway 09 and RESA for runway 27. They also repaired cracks, disjoints, damaged surface, especially close to runway intersection and a separate team closely examined over 5,000 aeronautical lights installed, for wear and tear, the drain pits and chambers along the runway strip, cables critical for lighting, IT, and navigational aids were also inspected. /IANS