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1�1�1�1�1�11 E Mr. Lorenzo Wingate IN INEHALFF City of La Porte ,1�1,1�1,1�1 August 4, 2022 Page 2 the neighborhood. Optional proposed condition analysis may also consider combining or adding outfalls, adding in -line detention, or potential offsite improvements to channels and detention basins. The basic services are divided into the following tasks: Preliminary Design Phase Services 1. Preliminary Design Phase Basic Services $ 199,581.00 (Lump Sum) 2. Optional Service (if authorized): $ 68,239.00 (Lump Sum) Additional Proposed Conditions Analysis 3. Topographic Survey $ 162,682.00 (Lump Sum) 4. Reimbursable Expenses: $ 5,000.00 (reimbursable) Total: $ 435,502.00 These services are described in detail in Attachment "A" and subsequent attachments. Should the City authorize Halff to proceed with Final Design services to complete the design and prepare bid -ready construction documents, Halff estimates the following services and fees for these extended services: Final Design. Bid. and Construction Services (estimated) (if authorized 5. Final Design Phase Services $ 469,139.00 6. Water Line Design, Traffic Control Plan $ 118,724.00 and SWPPP 7. Geotechnical Analysis $ 62,690.00 8. Bid Phase Services $ 7,273.00 9. Construction Phase Services $ 35,262.00 Total $ 693,087.00 Should Preliminary Design, Final Design, Bid, and Construction Phase services be authorized, the total estimated fee would be $1,128,589.00. These services are described in detail in Attachment "A" and subsequent attachments. We appreciate the opportunity to be of service to you and the City of LaPorte. Please feel free to contact me if you have any questions or comments concerning this proposal. Sincerely, Halff Associates, Inc mes L. Biel in, P.E. blic Works Team Leader Attachments: Approved by: Corby D. Alexander City Manager