“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

Date:November 10, 2010

Project Name:StormwaterRetrofit–McKayCreekTributary–Sunset

Mike Staffopoulos, PE, Assistant City Manager

Purpose:

Thepurposeofthisprojectistoretrofitasegmentofanuplandcutstormwaterconveyance

ditchwithintheMcKayCreekWatershedtoimprovewaterqualityandmaintainconveyance

capacity.

Description:

Theditchsectionisapproximately900feetinlengthandlocatedbetweenBarlowLanetothe

west, TwinLakes Driveto theeast, SunsetDrive to the northand BluffsDrive to the south. The

ditchservesanupstreamwatershedofapproximately155acresconsistingoflargelyuntreated

residentialandcommerciallanduses.TheditchoutfallstoMcKayCreek,whichisaStateof

•Design Mechanism – In-house

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

following:

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

1.4.QuarterlyProjectUpdateReport–projectstatusreportwillbepublishedona

quarterly basis and sent to project stakeholders.

1.5.ProjectUpdateCenter–keyprojectinformationwillbemaintainedandupdatedona

monthly or more frequent basis on the Engineering Capital Project Program Intranet page.

2.Evaluation Phase Services

2.1.Survey Acquisition – topographic and boundary survey completed.

2.2.ProjectPlanSheetConversion–theexistingprojectplansheetsproducedin

microstation shall be converted to the current CADD Standard.

2.3.Conflict Utility Inquisition – Project plan sheets will be sent to local utility providers for

mark-up.Afterreceivingutilitymark-ups,conflictutilitieswillbeincorporatedintoproject

improveexistingconveyance,andmeetthebudgetaryconstraintsoftheproject.Abank

stabilizationlunchandlearnmeetingwillbeheldwithconstructionandO&Mstafftoreview

past stabilization techniques and lessons learned.

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

b)Evaluation of stormwater best management practices to incorporate into the project

designincludingalineartreatmenttrain.Thistaskwillincludenutrientremovalestimates

and determination of planting areas and species to be used.

c)DrainagebasinmapandICPRmodelofexistingconditionsandproposeddesign

options.

d)Engineer's estimates will be generated for each project alternative including capital,

operation and maintenance costs.

retrofit design parameters to be used in the final design will also be identified.

2.7.PE&EQAReview–CompleteinternalqualityassurancereviewofthePE&E

documents including peer, construction, and division reviews.

2.8.30%Engineering–Engineeringdesigncalculationsandplansproductionwillbe

performed for the recommended design solution; utility conflicts and easement requirements

willbecalledout;andaconstructioncostestimateandmeasurementandpayment

specificationwillbegenerated.Plansproductionatthisphasewillbelimitedtotheplan,

profileandtypicalcrosssectionlayoutoftheproposedimprovements.Labeling,cross

sections, planting plan, details and S&E plan will not be included in this submittal phase.

2.9.30%QAReview–Completequalityassurancereviewofthe30%engineering

attendees will be as identified in the Quality Assurance Project Plan.

3.90% Design Phase Services

3.1.90%Engineering –Performengineeringdesigncalculationsandmakenecessary

adjustments to construction documents based on decisions made at PE&E meeting.

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

3.2.TechnicalSpecifications–Acompletesetoftechnicalspecificationsfortheproject

will be prepared.

3.3.SWFWMDPermitApplication–Prepare SWFWMDpermitapplicationsand

supporting documentation.

3.4.EasementAcquisition–RequiredeasementdocumentsaresubmittedtoAssistant

CityAttorneyforreviewandapproval.Approvedeasementdocumentsaresenttograntors

for signature. Meetings with grantors will be held as necessary.

projectpersonnelwiththeopportunitytoprovidecommentsonthe90%engineering

documents prior to permitapplication and presentation to the public.Meeting attendeeswill

be as identified in the Quality Assurance Project Plan.

3.7.PermitAcquisition–finalizepermitapplicationsandsupportingdocuments,obtain

signatures,andsubmittopermittingagencies.RespondtoRFIandmakenecessary

adjustments to plan sheets.

3.8.UtilityCoordinationMeeting–Meetingwithrepresentativesofutilitycompany’s

whose facilities will be in conflict with the projects proposed construction activities to discuss

relocation options, temporary access, responsibilities and cost.

3.9.Public Information Workshop– Workshop/open house style meeting with members of

4.2.100%QAReview–Completeinternalqualityassurancereviewofthe100%

engineering documents including peer, construction, and division reviews.

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

4.3.FinalizeConstructionDocuments–makechangestoconstructiondocumentsbased

on100%reviews.EngineerofRecordsignsandsealsconstructiondocuments.City

Engineer will approve and sign final construction documents.

5.Bid Phase Services

5.1.PrepareContractDocumentsforBid–modifycityfront-enddocumenttemplateand

attach technical specifications. City Engineer will approve and sign final bid package.

5.2.ReviewofContractDocumentsbyOMB–Submitcopyofcontractdocumentsto

contractors will be made mandatory based on the complexity of the project.

5.6.Questions,RFI's,InterpretationsandAddenda–QuestionsandRFI'swillbe

answeredandInterpretationsandAddendawillbeissuedifdeemednecessaryuptoten

(10) days prior to bid.Addendashallgenerallybeissuedwhenerrorsare foundin contract

documentsordrawings,andwhenchanges,additionsormodificationsaremadetothe

contractdocuments ordrawings.Addenda shouldbeissuedwhen informationisneededto

ensure equal information and equal understanding of the project and bid requirements.

5.7.Bid Opening– sealed bidsreceived on orbefore the due date and time will beopened

and read aloud by office of management and budget.

5.8.ReviewBidsandBidBonds–thebiddocumentswillbereviewedforcompleteness,

the contract is submitted to the City Attorney for review and signature.

5.10.CityCommissionApprovalofProjectAward–CityCommissionagendamemois

prepared for approvalofcontract awardanditemis takentoa regular commissionmeeting.

The Contract is updated as necessary to reflect the awarded bid items and contract amount.

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

5.11.NOAandContractorSignatures–SignatureofCitymanagerisobtainedonthe

noticeofaward(NOA)andtwocopiesofthecontractdocumentswillbesenttocontractor

for signatures.

5.12.ObtainContractSignatures(CityAdmin)–Contractswillberoutedforexecutionby

city staff. One original Contract is given to the contractor the other original is sent to the City

Clerk.

6.Construction Phase Services

safety,MOT,andsubmittalofshopdrawings.Thenoticetoproceeddateisestablishedat

themeeting.FollowingthemeetingtheNTPdocumentisexecutedandsenttothe

Contrator and City Clerk for inclusion in the original Contracts.

6.3.Pre-constructionPublicInformationWorkshop–Workshopwithmembersofthe

publicinprojectareatopresenttheprojectdesign,introducetheCity'sconstructionteam

and present construction sequencing and schedule.

6.4.ShopDrawingReview–shopdrawingsubmittalswillbereviewedforconformanceto

construction plans and specifications.

6.5.Construction–During construction of theproject thecontractor’s work is inspected for

conformancewithconstructionplansandspecifications,andqualityofworkmanship;

accordance with the Contract and reviewed for approval by the CM, PM and EOR.

6.8.FinalCompletionWalk-Through–uponnotificationofthecompletionofsubstantial

punchlistitemsthecityshallmakeafinalinspectionandformulateafinalpunchlisttobe

executed immediately by contractor.

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

6.9.Project Close-Out– final payment,and other activities necessary to finalize the project

willbecompleted.ThisworkshallincludetransferofERPpermittooperationand

maintenance and development of an operation and maintenance manual.

6.10.O&MWorkshop–EngineeringwillholdaworkshopwithPWstafftopresentthefinal

operation and maintenance manual.

7.Post Construction Monitoring

7.1.Post-ConstructionMonitoring–astudywillbeconductedthrufieldobservationto

QAPP:

Project RoleReview Responsibility

“Providing responsive, current and cost effective engineering solutions supporting the operation, maintenance and

improvement of the City's stormwater, wastewater and transportation infrastructure”

City of Largo

Engineering Services Division

Telephone: (727) 587-6713

Facsimile: (727) 586-7413

Budget:

Schedule:

(SWFWMD

N250)