new delhi as part of its premonsoon activities delhi metro not only cleaned the drains inside its system and surroundings elevated viaducts rainwater harvesting system and station facilities but also installed water barriers and coordinated with the civic authorities to ensure seamless travel experience to commuters due to these activities the metro operations are running smoothly despite the recent rain and flood said officials of delhi metro rail corporation dmrc the cleaning of the drainage system elevated viaducts and underground tunnels ensures unclogged drains mitigating the risk of waterlogging and subsequent disruptions of the services they saidthe maintenance work on the elevated viaducts drainage system was completed well before the monsoon and the rainwater harvesting structures located throughout the network were thoroughly cleaned and restored to their optimal capacity this means that a considerable amount of rainwater can now be effectively captured and recharged back into the ground ensuring sustainability and environmental conservation said an officialduring the past monsoon it was noted that the roads and other areas around metro stations such as bhikaji cama place and kashmere gate got flooded and at some locations there was a potential risk of water entering the dmrc system due to the flooding of the road on detailed examination all potential access points wherein water could enter the dmrc system were identified and attended to innovative methods were adopted by raising the level of these locations and installing barriers to prevent any ingress dmrc studied the best practices around the world and a flood barrier mechanism was adopted to prevent water ingress at kashmere gate station said an official