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HomeMy WebLinkAbout04. (Handout) Fiscal Year 2015-16 Closed Sewer Renovation Project Costs ReviewFY 2015-16 Closed Sewer Renovation Project Costs Review October 21, 2016 Engineering and Operations Committee Meeting Edgar J, Lopez, PE Capital Projects Division Manager Item 4. (Committee Handout) Central Contra Costa Sanitary District Project Number 8404 8411 8413 Protecting Public Health and the Environment Collection System Projects Closed - Reviewed Project Title Lafayette Sewer Renovations, Ph_ 8 N. Orinda Sewer Renovations, Ph. 5 Walnut Creek Sewer Renovations, Ph. 10 Total Expenditures $2,951,730 $2,771,989 $3,791,443 8421 Lafayette Sewer Renovations, Ph. 9 $3063582 1 Lafayette Ph. 8 - DP 8404 Costs Breakdown Construction Contract $1,321,305 Permits $ 19,438 Change orders* $ 547.332 (41%1 Total Construction $1,888,075 (100%) Right -of -Way $ 148,515 (7.8%) Survey (Design and ROW related) $ 125,000 (6.6%) Design $ 376,000 (19.9%) Construction Services $ 414.140*(21.9% Total Project Expenditures $2,951,?30 * Included claim settlement and legal North Orinda Ph. 5 - DP 8413 Costs Breakdown Construction Contract $1,748,505 Permits $ 11,136 Change Orders* $ (40.500) (-2.3%) Total Construction $1,719,141 100% t ) Right -of -Way Survey (Design and ROW related) Design Construction Services* Total Project Expenditures * Not typical due to La Espiral incident $ 79,141 (4.6%) $ 92,000 (5.3%) $ 403,000 (23.5%) $ 478.707 (27.8%), $2,771,989 2 Walnut Creek Ph. 10 - DP 8413 Costs Breakdown Construction Contract $2,288,000 Permits $ 62,266 Chance Orders $ 221.994 (9.6%) Total Construction $2,572,260100% i ) Right -of -Way $ 34,169 (1.3%) Survey (Design and ROW related) $ 182,000 (7.0%) Design $ 568,000 (22.0%) Construction Services $ 435.014 (16.9% Total Project Expenditures $3,791,443 Lafayette Ph. 9 - DP 8421 Costs Breakdown Construction Contract $1,812,211 Permits $ 5,898 Change Orders $ 216.479 (11.9% Total Construction $2,034,588100% i } Right -of -Way Survey (Design and ROW related) Design Construction Services Total Project Expenditures $ 47,714 (2.3%) $ 120,000 (5.9%) $ 482,000 (23.6%) $ 379.280 (18.6% $3,063,582 3 Conclusions • Older projects, Lafayette Ph. 8 and N. ornda Ph. 5, are atypical for cost comparison due to very low bids, and both had major issues during construction. • Survey and ROW work have been evaluated since Walnut Creek Ph. 10, and Capital Projects has implemented several alternatives to increase efficiency and lower costs. • Design and Construction management costs have been improving and continue to be below the industry average for pipeline construction. Questions? 4