Merlion Park Maintenance Monthly Schedule of the Merlion Park Maintenance from May to December 2006. A note to those organising fam trips, television crew filming or local tours: Monthly maintenance works will be carried out at the Merlion Park from 9am to 6pm from May to December. During these dates, the Merlion & Merlion cub will not be spouting water. Maintenance Dates:- 18 – 19 May 15 – 16 Jun 12 – 13 Jul 17 – 18 Aug 14 – 15 Sep 12 – 13 Oct 16 – 17 Nov 14 – 15 Nov