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HomeMy WebLinkAbout07 - Newport Boulevard BioswaleCITY OF NEWPORT BEACH CITY COUNCIL STAFF REPORT Agenda Item No. 7 October 11, 2005 TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL FROM: Public Works Department Robert Stein, P.E. 949 -644 -3311 rstein@city.newport-beach.ca.us SUBJECT: NEWPORT BOULEVARD BIOSWALE - AWARD OF CONTRACT NO. 3741 RECOMMENDATIONS: 1. Approve the drawings and specifications. 2. Award Contract No. 3741 to Belaire -West Landscape for the Total Bid Price of $196,252 and authorize the Mayor and the City Clerk to execute the contract. 3. Establish an amount of $19,000 to cover the cost of unforeseen work. 4. Establish an amount of X2,000 to cover the geotechnical testing. 5. Approve a Budget Amendment transferring appropriations of $14,251.78 from General Fund 7014- C5100805 (Morning Canyon Stabilization Project) into Account No. 7014- C5100596. DISCUSSION: The City's 2004 Storm Water Diversion Study sampled the dry weather flow in the V- Ditch running along the east side of Newport Boulevard South of 15th Street and found high loadings of fecal indicator bacteria. This flow comes from a 500 -acre drainage area predominately within the City of Costa Mesa though there are contributing areas from Caltrans and the City of Newport Beach. Computer modeling strongly indicates that these bacteria are tidally pumped into the Newport Island Channels once this flow outlets into the Bay at the Turning Basin near the Arches Bridge. This proposed bioswale will create an infiltration basin to infiltrate some of the 30,000 gallons per day flowing through the V- ditch. The site is owned by the State of California and will be maintained by City forces as part of the encroachment permit conditions. SUBJECT: Newport Boulevard Bioswale- Award of contract No. 3741 October 11, 2005 Page: 2 At 11:00 a.m. on September 27, 2005 the City Clerk opened and read the following bids for this project: BIDDER TOTAL BID AMOUNT Low Beiaire -West Landscape $196,252.00 2 Mega -West Enterprises $197,154.16 3 GCI Construction $298,222.20 The low total bid amount is twelve percent above the Engineer's Estimate of $175,000. The low bidder, Belaire -West Landscape, possesses a California State Contractors License Classification A and C27; either license would satisfy the requirements of the project specifications. A check of the Contractors references indicates they have satisfactorily completed similar projects for other municipalities. Project work includes clearing the iceplant in the swale along East side of Newport Boulevard South of 16th Street, installing rock, sand and gravel to create an infiltration bed, re- landscaping the swale with native type trees and plants, and hydroseeding the area. Per the Contract Specifications the Contractor will have 45 consecutive working days to complete the work. Environmental Review: This project qualifies for a Categorical Exemption pursuant to Section 15302 (Replacement or Reconstruction) of the Implementing Guidelines of the California Environmental Quality Act. This exemption permits minor alterations to exiting public and private structures that involve negligible expansion of use. Existing drainage patterns, hydraulic flow and flood control will not be impacted. The site has no sensitive vegetation. Public Notice: Not Applicable. The site is not close to residences or businesses. Geotechnical /Survey Services: The City will retain a geotechnical engineer to perform appropriate compaction tests on regraded slopes and fill areas. SUBJECT: Newport Boulevard Bioswale- Award of Contract No. 3741 October 11, 2005 Page: 3 Funding Availability: Upon approval of the recommended Budget Amendments, sufficient funds are available in the following accounts for the project. There is a $203,000.22 unencumbered balance on this project currently available in the Contributions Fund. The remaining $14,251.78 would become appropriated as a Budget Amendment if Recommendation No. 5 of this Council Memo is approved. Account Description Contributions General Fund Prepared by: Robert Stein, P.E. Special Projects Engineer Attachments: Project Location Map Bid Summary Account Number 7255- C5100596 7014- C5100596 Total Submitted by: Amount $203,000.22 $14,251.78 $217,525.00 5terph5F(G. Badum PuWid Works Director t X t rt o .4 � y i �.17 j 1 { 3303. .3301_ at c o'i Sp AVE 62 3245 58. _43239 ,. • ,.., 3233 U a MW W O IL W Z LL O } H U H Z W a a w Q N NYN U W (L 2 11 pQ W O Q .. Q w (0 ~ U N Ir O N m O W Y G Y d d W U U) S .. 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BA- 06BA -021 AMOUNT: $1a,2s1.76 Increase in Budgetary Fund Balance Decrease in Budgetary Fund Balance X No effect on Budgetary Fund Balance To transfer expenditure appropriations for the Newport Boulevard Bioswale Project. ACCOUNTING ENTRY: BUDGETARY FUND BALANCE Fund Account REVENUE ESTIMATES (3601) Fund /Division Account EXPENDITURE APPROPRIATIONS (3603) Description Description Division Number Account Number Signed: 4 Financia Approval: Administrativ ervices Director Signed: Administrative Appro al: City Manager Signed: City Council Approval: City Clerk Amount Debit Credit $14,251.78 $14,251.78 Date D �O Ste_ D Date Description Division Number 7014 Misc & Studies Account Number C5100805 Moming Canyon Stabilization Division Number 7014 Misc & Studies Account Number C5100596 Clean Water Projects Division Number Account Number Division Number Account Number Division Number Account Number Signed: 4 Financia Approval: Administrativ ervices Director Signed: Administrative Appro al: City Manager Signed: City Council Approval: City Clerk Amount Debit Credit $14,251.78 $14,251.78 Date D �O Ste_ D Date