June 15, 2020 Day 3 Casting of Precast Slabs for GFWSS Works, Completed. The Casting of precast slabs for GFWSS works, completed Distribution tank cover plates, scree plates, beams, source cover plates. Day 3 Casting Of Precast Slabs For GFWSS Works, Completed. ‹ › × × Flickr Album Gallery Powered By: WP Frank Tweet