Doubling of track between TURAVUR-MARARIKULAM, MARARIKULAM -ALAPUZHA, ALAPUZHA -AMPALAPUZHA section: Proposed Construction of: i. Major Bridge No. EAK-95 at KM 27/100-200 as 1x12.2m PSC slab ii. Major Bridge No. EAK-102 at KM 30/900-31/000 as 1x12.2m PSC-U slab iii. Bridge No. EAK 129 at KM 44/000-100 as 1x9.15m PSC slab between TUVR-MAKM stations iv. Major Bridge No. EAK-152 at KM 54/200-300 as 3x12.20m PSC slab v. Major Bridge No. EAK-157 at KM 56/000-100 as 5x9.15m PSC slab between MAKM-ALL