 The airport has a power back @-@ up system and a power generating station that enables the airport to run in the event of a power outage , returning the supply of electric power to the facility within three seconds . The airport has water treatment facilities and a 6 @-@ hectare ( 15 @-@ acre ) man @-@ made pond used for flood control and drainage purposes as well as for the irrigation of nearby farmland . A waste treatment and sorting facility on the airport grounds converts solid waste into fertilizer for the use of surrounding farms . 
