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HomeMy WebLinkAbout1993 04 13 - Proposal for Ammoniation System4,— % Is HARTMAN & ASSOCIATES, INC. engineers, hydrogeologists, surveyors & management consultants April 13, 1993 HAI #92-023.06 Mr. Richard B. Votapka, P.E. Utilities Director City of Sebastian P.O. Box 780127 Sebastian, Florida 32978-0127 Subject: Ammoniation System Design - Trihalomethane Control System for Water Treatment Plant Dear Mr. Votapka: This letter constitutes our engineering proposal to design, permit, inspect, certify and prepare record drawings for the installation of an ammoniation system at the General Development Utilities, Inc. (GDU) Filbert Street Water Treatment Plant (WT?) for the purpose of trihalomethane control. The ammoniation feed system will quench the trihalomethane formation reaction and limit the formation potential of the compound in the drinldng water. The cost for survey of the site for which the improvements are to be. placed is $650. The final design drawings and specifications will be prepared on behalf of the City at a cost of $7,500. The cost for the permit fee to the Florida Department of Environmental Regulation (FDER) is $4,000, and the preparation of the permit application is $500, for a total of $4,500. The cost of the day of inspection, preparation of record drawings and certification to FDER is $850. The cost of the preparation and coordination with the ammonia supplier and rental agreement with the ammonia supplier for facilities located at the WTP site to be provided by the ammonia supplier is $1,000. The total survey, engineering, permitting and technical services cost for this assignment through completion and record drawings is $14,500. 201 EAST PINE STREET - SUITE 1000.ORLANDO, FL 32801 TELEPHONE (407) 839-3955 - FAIX (407) 839-3790 PRINCIPALS: JAMES E. CHRISTOPHER - CHARLES W. DRAKE - GERALD C. HARTMAN *MARK I. LUKE -MARK A. RYNNING • HAROLD E. SCHMIDT, JR. C Mr. Richard B. Votapka, P.E. April 13, 1993 Page 2 The engineer's cost estimate for this project is as follows: Site preparation and clearing - $1,000. Yard piping - $6,900. Slabs - $3,800. Other concrete work - $12000. Structure - $9,200. Metering equipment, valves, gauges, and related instrumentation - $17,200. Electrical - $2,700. Special supports and related equipment accommodation facilities - $3,100. Total $44,900 Contingency at 10% $4,490 TOTAL $499390 The above is a conceptual cost estimate and subject to revision once specific client desires are obtained and field investigations are completed. The project schedule would be to have the design complete within one (1) month of notice to proceed; permitting complete within three (3) months thereafter; and construction complete within seven (7) months thereafter. The hourly costs and other directs costs shall be as contained in our other contracts with the City of Sebastian. Mr. Richard B. Votapka, P.E. April 13, 1993 Page 3 We look forward to providing the technical expertise which you desire. If the above is acceptable to the City of Sebastian, please execute one (1) copy of this proposal and return it to our offices. Witness Witness Witness GCH/ch P10/Votapka.gch Very truly yours, Hartman & Associates, Inc. V Gerald C. Hartman, P.E. President City of Sebastian, Florida Authorized Signature Date MEMO TO FILE DATE: May 21, 1993 TIME: 2:35 PM TO: Rich Votapka, Utilities Director FROM: Hal Schmidt, of Hartman & Associates, Inc. SUBJECT: Revised Cost Estimate for Ammoniation System at GDU Filbert Street Plant, Sebastian, Florida [ xx ] Telephone Conversation ------------------------------------------------------------------- RESUME OF CONVERSATION: The revised system consists of dual 150# Ammonia Cylinders installed in a standard fiberglass shed. A) Metering Equipment 1) Scales 2) Rotameter 3) Injection Tees 4) Automatic Switchover 5) Valves 6) Gauges 7) Fan 8) Alarm Equipment Total $ 149750 B) Fiberglass Shed $ 50000 C) Yard Piping 2,750 D) Concrete Slab 450 E) Electrical Work 1,850 Subtotal $ 249800 10% contingency 2.480 $ 27,280 Total Engineering design(no survey) 7,500 Inspection, Final Certification 19350 Permit Application Preparation 500 DER Permit Fee 500 Testing 1.000 $ 38,130 Round To $ 389500