AgdaPkt 2013-07-22 - Laserfiche WebLink

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6.1. E. - Page 1 RE PO RT To the Honorable Mayor and City Council From the Cit Mana er July 22, 2013 SUBJECT Amendment No. 4 to the Professional Services Agreement with Moffatt & Nichol for services related to the Redwood Shores Lagoon System Dredging Project. RECOMMENDATION By motion, approve Amendment No. 4 to Professional Services Agreement with Moffatt & Nichol in the amount of $143,500 to provide design and engineering services for the Redwood Shores Lagoon System Dredging Project. BACKGROUND On December 28, 2005, the original agreement was executed with Moffatt & Nichol for professional services for Phase 1 of the Redwood Shores Lagoon System Dredging Project in the amount of $106,764. The initial phase of this project included collecting and sampling dredge material and identifying the specific areas of the lagoon system that required dredging to remove sediment deposits. On January 12, 2009, Amendment No. 1 to the original agreement was executed in the amount of $49,301 to perform services required by the addition of new sluice gates. Those services included site investigation, preparation of design plans and specifications, and construction support. On October 12, 2009, Amendment No. 2 was executed in the amount of $21,545 for finalizing the design and preparing addendums during bid advertising that included revisions to the plans and specifications to include compliance with additional regulatory requirements. On December 30, 2009, Amendment No. 3 was executed in the amount of $35,230 for construction support services. Those services included meeting attendance, responding to contractor inquiries, reviewing submittals, reviewing and approving pay quantities, and reviewing record drawings. ANALYSIS Amendment No. 4 provides for hydrographic survey, regulatory support, preparing bid documents, construction support and post construction reporting to dredge approximately 10,000 cubic yards of dredge material with polycyclic aromatic hydrocarbons (PAH) levels higher than 4 parts per million (ppm).