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SR-6N (2) ~~-Jtbga5 {g-- N EPWM CP M RS SL sm S \sp1552\CMI\cc1552r1 wpd Council Meeting May 12. 1998 MAY t 2 ms Santa MOnica, California TO Mayor and City Council FROM City Staff SUBJECT Recommendation to Approve a Project Modification and to AuthOrize the CIty Manager to Negotiate and Execute an Amendment to the ProfeSSional Services Contract WIth Black and Veatch, LLP for AdditIonal Construction Management, Inspection and Peer Review Services for the Moss Avenue Samtary Sewer Pumping StatIon Structural Shell ConstructIon Introduction This report recommends that the City Council authOrize the City Manager to modify the scope of work, and negotiate and execute an amendment to the professIonal services contract with Black and Veatch. LLP, for additional construction management, inSpection, peer review and statIon monltormg services, reqUIred In conjunction With the Moss Avenue samtary sewer pumping station structural shell construction The negotiated fees for thIs contract amendment for the additional services shall not exceed $129,755 DISCUSSion On December 11. 1997, the City of Santa MOnica entered mto a contract With Black and Veatch. LLP, for part-time construction management and inspection services for the construction of the Moss Avenue samtary sewer pumpmg station structural shell Black and Veatch momtors the work of Montgomery Watson Amencas, Inc (Montgomery Watson). the firm that IS designing and bUIlding the structural shell 1 /'-N MAY f 2 198 A modificatIon to the Black and Veatch contract IS now necessary to pay for additional inspection hours. peer review services, and vibration momtonng due to reVISions to Montgomery Watson's work schedule and contract term Montgomery Watson has required additional time to complete work due to site conditions The vibration related to the shoring InstallatIOn durmg the first phase of the project had to be carefully monItored by Black and Veatch to aVOId any potential damage to adjacent structures Design of the second phase of the Moss Avenue Pumping Station (mechanical, electrical, instrumentation, metenng and controls) IS now at a stage where additional peer design reviews are required as well The City of Los Angeles contributes a Sizable portIon of the total wastewater flow Into the Moss Avenue station and will be responsible for their proportionate share of the cost to upgrade the station Staff has been meeting with the City of Los Angeles regardmg their portion of the Moss Avenue sanitary sewer pumping station replacement costs and the details of their reimbursement to Santa MOnica are bemg finalized BudgetfFlnanclallmpact Staff antIcIpates that the CIty of Los Angeles WIll reImburse 95% of the costs for replacing the Moss Avenue pumping station There are sufficIent funds In the Wastewater Fund to cover the contract amendment proposed In this report until reimbursement from the City of Los Angeles IS received 2 FUNDS REQUIRED Contract Amendment. $ 129,755 Contmgency 32,440 $162, 1 95 TOTAL FUNDS REQUIRED Funds In the amount of $162,195 are available In Account #31-760-661-20096-8900-99345 Recommendation Staff recommends that the CIty Council 1 Authorize the CIty Manager to negotiate and execute an amendment to the professional services contract with Black and Veatch, LLP, In an amount not to exceed $129.755 for the Moss Avenue sanitary sewer pumping station structural shell. and 2 AuthOrize the City Engineer to Issue any necessary change orders to complete addItional work In conformance WIth the Administration Instructions on change orders Prepared by Craig Perkms, DIrector of EnvIronmental and Pubhc Works Management Anthony Antlch, P E , City Engmeer GII Borboa, Utilities Manager Jack Schroeder, P E , Sewer RepaIr Program Manager Susan Lowell, P E , CIVil Engineer 3