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Iri- Geotechnical services will be necessary to test backfill materials and compaction of the trench backfill associated with the pipeline installation to ensure no future trench settlement A proposal for $19,000 for the anticipated geotechnical services was received A task authorization will be issued for $19,000 under the existing on call contract ENGEO Incorporated has with the City Budget A construction contingency of 10% is standard to address unforeseen conditions typically associated with unmarked/abandoned utilities encountered when excavating within existing streets In this case staff is recommending increasing the construction contingency to the full available funds of $208,270 (21 1% contingency) to allow for a project change order to extend the recycled water main down Valley Avenue south of the Arroyo Del Valle Bridge toward Bernal Avenue as far as available funding permits It is anticipated that the $109,570 additional contingency would allow for approximately 500 linear feet of additional recycled water main to be installed This would reduce the amount of new roadway that would need to be disturbed in the future for the second phase of the project The estimated total expenditure for this project is $1,300,000 as detailed in Attachment 2 Schedule The proposed schedule for the project is as follows Approval of Plans & Specifications and Award of Contract 11/15/2016 Start of Construction 12/15/2016 End of Construction 03/31/2017 Submitted by Fiscal Review Approv by X^o/k- Stephen Kir atrick Tina Olson Nelson Fialho Director of Engineering Director of Finance City Manager Attachments 1 Bid Summary 2 Funding and Estimated Expenditure Summary 3 Carlson Management, Inc Proposal 4 ENGEO Incorporated Proposal Page 3 of 3