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HomeMy WebLinkAbout09.a.1 PowerPoint Presenation~r ,} ~, ~l.w.l~ Item No. 9.a.1 Recent Construction Challenges Requiring Board Input August 5, 2010 Item No. 9.a.1 Hall Drive Sewer ~ . Renovation Project R/W Issues • Staff unable to obtain easements for 43 and 47 Camino Encinas. • Planned sewer construction will be deleted from the project and' included in 2011 project •-Staff will continue to pursue property rights which may include eminent domain action Results in contract cost reduction of $100,000 of which $24,000 was for drilling pipe 1 N ~ ~~t ,x,yi. '. K~.p • ~ •-; s a s Item No. 9.a.1 Hall Drive Sewer Re-Drill • On July 19th after the main line was installed, discovered discrepancy with elevation between main line and existing sewer lateral • Lateral elevation at the house was lower than depicted in design. t • Best solution was to lower the main line elevation by re-drilling main line. Item No. 9.a.1 Hall Drive Sewer Re-Drill • Original Bid for drilling pipe • Re-Drill - 380 LF • Deeper excavation • Total • Delete drilling 150 LF Camino Encinas 1,512 LF @ $160/ft $60,800 $9, 820 $70, 620 ($24,000) • Net Amount of Change Order. _. $46,620 1, 4 2 ,~ « J Item No. 9.a.1 Hall Drive Sewer Re-Drill • Executed Change Order - $46,620 within GM authority • Informed the Capital Project committee, then proceeded with Change Order • Demonstrates possible future problem if urgent issue > $50,000. • Possible solutions to be discussed with Capital Projects Committee Aug 1 im Item No. 9.a.1 CSOD Sub-contractor. Substitution Request • Whiting/Stillwater Concrete Construction (WCC), sub-contractor for concrete construction has walked off the job due to financial problems ' • Bobo Construction will self perform concrete. work on the current schedule critical path • Future specialty concrete work that WCC was to perform will require a replacement subcontractor, and BCI intends to replace WCC ` 3 ~~ Item No. 9.a.1 Public Contract Code Section 4107 • Requires "awarding authority or duly authorized officer" approval to substitute a subcontractor • Identifies situations to allow substitution • Requires notice to the sub-contractor and gives him 5 working days to object. • If there is an objection, requires a hearing to complete approval CSOD Sub-contractor Substitution Request Item No. 9.a.1 • Staff recommends approving Item 10.c., a position paper requesting delegation to the General Manger to approve the sub- contractorsubstitution • Staff will present proposed solution for addressing this issue at the Capital Projects Committee meeting Aug 11t" • Any proposed solution will be brought back to the full Board for approval 4