MARIANI DAMANIK, NIM: 1610247474, Analysis of Delay in Development of Housing Areas Using the Risk Method and Lean Sigma Approach (Case Study of Housing Projects in Padang Island, Riau), Supervised and proctoring by Ari Sandhyavitri and Manyuk Fauzi. The development of Housing Area in Padang Island is experiencing delays in its completion from initial duration 243 days to 380 days.The purpose …