Master Plan Development - City of Boca Raton

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City of Boca Raton Stormwater Management Master PlanPart I – Task 3 ReportNW 36th Court Stormwater System ImprovementsEngineer’s Opinion of Conceptual CostsCity of Boca Raton Stormwater Management Master PlanITEM DESCRIPTION QTY UNIT UNIT PRICE TOTAL1. Mobilization 1 LS $5,000 $5,0002. Maintenance of Traffic 1 LS $3,000 $3,0003. Preconstruction Video 1 LS $200 $2004. Survey & Layout 1 LS $600 $6005. Record Drawings 1 LS $200 $2006. Clearing & Grubbing 1 LS $5,000 $5,0007. Remove Exist. Sidewalk 550 SF $2 $1,1008. Inlet, Type C 3 EA $4,000 $12,0009. Exfiltration Trench, 18" RCP 135 LF $120 $16,20010. Reinforced Concrete Pipe, 18" 30 LF $60 $1,80011. Concrete Sidewalk 60 SY $40 $2,40012. Concrete Driveway 35 SY $50 $1,75013. Pavement Restoration (Pipe Crossing) 30 SY $35 $1,05014. Sodding (Floritam) 1150 SY $6 $6,90015. Irrigation Restoration 1 LS $5,175 $5,175Subtotal $62,375Contingency (15%) $9,356Construction Total $71,731Engineering, Legal, & Misc. Costs (20%) $14,346Rounded Project Total $87,000Note: The above costs are based on a conceptual layout of the stormwater system for this area. Assuch, they are subject to change depending on the final scope of the project that is designed andconstructed as well as other factors. Estimate is in 2008 dollars.L:\boca\bocaswmp\A6016.03\rp02accm.docPage 12MOCK•ROOS
City of Boca Raton Stormwater Management Master PlanPart I – Task 3 ReportOld Floresta Area Stormwater Management ImprovementsReported Problem(s): The complaints on Aurelia Street (a/k/a NW 5th Street) and Hibiscus Street havebeen many since 1994. Severe ponding was also noted at the east end of these two streets during aFebruary 2008 rainfall event.System Description: There is no drainage system in this area. It appears that the original intent was forswales to accommodate the stormwater runoff. The City’s right-of-way along these two streets hasalmost entirely been encroached upon by the adjacent homeowners with extensive amounts oflandscaping.Conceptual Solution(s): It is recognized that reclamation and restoration of the intended swales alongthese two streets would significantly alter the character of the streets and neighborhood. Furthermore,Aurelia and Hibiscus Streets, as well as NW 8 th and 9 th Avenues have existing utilities beneath them thatseverely restrict the addition of any additional utility lines, such as for stormwater collection. Given theselimitations, the recommended conceptual improvement for this area is the consideration of a perviouspavement system for Aurelia and Hibiscus Streets, as well as the right-of-way along NW 8 th Avenue,between Periwinkle and Oleander Streets. Pervious pavement technology has been used successfully formany years and is gaining popularity in Florida as a stormwater management tool.Water Quality Impacts: The proposed conceptual solution is anticipated to have a positive impact onwater quality. Runoff will more readily enter the ground water system than it currently does. This resultsin less travel time over potentially contaminated ground surface.L:\boca\bocaswmp\A6016.03\rp02accm.docPage 13MOCK•ROOS
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City of Boca Raton Stormwater Manag
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Appendix ATask 1 - Existing Conditi
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Engineer’s Signature PageI hereby
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APPENDIX ASCOPE OF SERVICES
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Impervious AreaWater Quality Volume
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Task 1 Deliverables - The CONSULTAN
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Task 2 Deliverable - The CONSULTANT
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P.A. No.: A6016.01g:\boca\bocaswmp\
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CAMINO REALICWWJOG RDg:\boca\bocasw
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Table 1SFWMD Permit Data(Selected E
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ComplaintIDSite Address Subdivis Da
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Table 3Major Outfall InformationMaj
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Table 4Potential High Risk Facility
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City of Boca RatonStormwater Manage
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City of Boca Raton Regulatory Infor
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Master Plan Development - City of Boca Raton

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