The URL can be used to link to this page

Home My WebLink About2018 04 23 Consent 301 Half Million Gallon Storage Tank Repairs at WTP#1COMMISSION AGENDA ITEM 301 REQUEST: Informational Consent X Public Hearings Regular April 23, 2018 KS LR Regular Meeting City Manager Department The Utility Department requesting City Commission approval to award a contract to Precon Corporation in the amount of $59,800.00 plus a 20% contingency to make repairs to the 0.5 million gallon (MG) ground storage tank at Water Treatment Plant 41 located on Northern Way. SYNOPSIS: The purpose of this Agenda Item is to authorize repairs in the amount of $59,800.00 plus a 20% contingency to Precon Corporation for the 0.5 MG ground storage tank repairs at Water Treatment Plant 41 noted during a recent inspection of the storage tank. CONSIDERATIONS: This project is needed to perform major maintenance to the potable water ground storage tank at Water Treatment Plant 41 on Northern Way. Staff removed the tank from service and had an extensive inspection done in 2017. This tank was constructed in 1972 by Crom Corporation. There are only two companies in Florida that construct prestressed concrete tanks, Crom Engineering and Construction Services, Inc. of Gainesville and Precon Corporation of Newberry. Staff solicited proposals from both companies to implement all recommendations contained in the inspection report. The Precon bid was $59,800.00 and the Crom bid was $96,100.00. Precon Corporation was chosen because they were the low bid and are qualified to make such repairs. FISCAL IMPACT: Funding is appropriated in the Utility Enterprise Fund Construction in Progress (CIP) line Consent 301 PAGE 1 OF 2 - April 23, 2018 code for ground storage tank repairs at Water Treatment Plant 41 for FY2018. The amount requested for the repairs ($59,800.00 plus a 20% contingency) will be paid from this fund. COMMUNICATION EFFORTS: This Agenda Item has been electronically forwarded to the Mayor and City Commission, City Manager, City Attorney/Staff, and is available on the City's Website, LaserFiche, and the City's Server. Additionally, portions of this Agenda Item are typed verbatim on the respective Meeting Agenda which has also been electronically forwarded to the individuals noted above, and which is also available on the City's Website, LaserFiche, and the City's Server; has been sent to applicable City Staff, Media/Press Representatives who have requested Agendas/Agenda Item information, Homeowner's Associations/Representatives on file with the City, and all individuals who have requested such information. This information has also been posted outside City Hall, posted inside City Hall with additional copies available for the General Public, and posted at six (6) different locations around the City. Furthermore, this information is also available to any individual requestors. City Staff is always willing to discuss this Agenda Item or any Agenda Item with any interested individuals. RECOMMENDATION: Staff recommends the City Commission authorize Precon Corporation to perform the ground storage tank repairs at Water Treatment Plant 41 for $59,800.00 plus a 20% contingency, and authorize the City Manager and City Attorney to prepare and execute any and all applicable documents. ATTACHMENTS: There are two attachments included: Aerial Photo of Ground Storage Tank Precon Proposal Consent 301 PAGE 2 OF 2 - April 23, 2018 1PRECON1 Prestressed Concrete Tanks April 3, 2018 March 8, 2018 March 6, 2018 Mr. Kyle Lanham City of Winter Springs 1126 East State Road 434 Winter Springs, FL 32708 (407) 327-8992 klanham@winterspringsfl.org PRECON CORPORATION REVISED PROPOSAL Subject: City of Winter Springs, FL Repairs to Tank #1 at WTP #1 115 S.W. 140th Terrace Newberry, Florida 32669 Fax 332-1199 (352) 332-1200 Description: 0.5 MG GST 70'-0" ID x 17.33' WH 1. MATERIALS AND SERVICES TO BE FURNISHED BY PRECON CORPORATION Precon proposes to furnish all labor, material, equipment, scaffolding, forms and supervision required to complete the repairs in accord with the request of the City of Winter Springs and Precon Corporation's standard prestressed concrete tank design. The services to be furnished by Precon Corporation are specifically: a. Pressure wash exterior wall and dome at 5,000 PSI b. Apply one coat of Sherwin-Williams Loxon Conditioner at 1 mil DFT to improve bond between existing coating and new coating. c. Stripe coat any cracks on exterior wall and dome with Sherwin-Williams Loxon XP at 8 mils DFT. d. Apply one coat of Sherwin-Williams Loxon XP at 6 mils DFT per coat e. Remove and replace dome safety hooks with those meeting OSHA standards. f. Sandblast and recoat existing manhole frame with two coats of epoxy paint g. In 2 areas at floor wall connection with staining, chip back to diaphragm, repair if necessary and patch over. h. Remove delaminating coatings on walls i. In areas on interior wall with staining, chip back to diaphragm, repair if necessary and patch over. j. Sandblast the entire area of the underside of the dome and top 3' of walls k. Use Sherwin-Williams Duraplate 2300 to repair any areas with exposed reinforcing on the underside of the dome I. Coat entire interior dome and top 3' of interior walls with 2 coats of Sherwin- Williams Macropoxy 646PW at 6 mils DFT per coat m. Sandblast and paint discharge and inlet pipes with Sherwin-Williams Macropoxy 646PW City of Winter Springs, FL -2- April 3, 2018 Repairs to Tank #1 at WTP #1 March 8, 2018 March 6, 2018 04 3. 4. 6. 7. Q 0 n. Replace insect barrier on fiberglass dome hatch o. Caulk around screens on all emergency overflows p. Cleanout aerator q. Touch up any delaminated coatings in aerator r. Replace any corroded hardware on aerator s. Apply caulk around aerator screen t. Repair Liquid Level Indicator (LLI) u. Provide and install new exterior aluminum ladder with safety cage and locking security door v. Install new welded aluminum handrail around the dome access hatch w. Replace insect barrier on dome access hatch x. Inject any areas of the tank that appear to be leaking with urethane y. Chip back to prestress wires in any areas where rust stains are present. Clean off any corrosion and patch wall. Total Lump Sum: $ 59,800.00 SERVICES FURNISHED BY OTHERS a. Water for construction b. Electricity for Construction c. Sediment to remain on site d. Disinfection and bacteriological testing of tank COMMENCEMENT AND COMPLETION We are prepared to furnish sufficient labor, materials and equipment to complete the work within approximately 4 weeks per tank after a mutually agreeable start date. SHOP DRAWINGS AND DESIGN DATA We will submit all data required for approval prior to starting work. BOND The cost of a payment -performance -maintenance bond, issued for a one-year period, is to be added to the bid price if required. The price for this bond is $12.00 per $1,000.00. If utilizing sub -guard, any bonds required will be added to the tank price. SAFETY This proposal is based on performing the work in accordance with Precon Corporation's Safety Program, which meets or exceeds CFR 1926 OSHA Standards. If any additional safety requirements are placed upon us, such as additional site training or safety equipment, the cost for such additional requirements plus overhead shall be reimbursed to us. INSURANCE Precon will furnish an insurance certificate showing coverage of liability, property and worker's compensation insurance upon request. Our insurance will be carried in accord with the general condition requirements. An additional amount will be added to our subcontract price if there are any extra requirements. Builder's Risk insurance will be carried in accord with general conditions requirements. ARBITRATION Any dispute or claim between us shall be settled by arbitration in accord with the American Arbitration Association rules relating to the construction industry. The arbitrator's decision may be entered in any court having jurisdiction. City of Winter Springs, FL -3- April 3, 2018 Repairs to Tank #1 at WTP #1 March 8, 2018 March 6, 2018 10. ACCEPTANCE This proposal is offered for your acceptance within 15 days. This proposal is based on the conditions of the AIA Standard Form of Agreement Between Contractor and Subcontractor, and it shall be made part of any subcontract. Accepted: 0 Title: Offered: Precon Corporation Adrian C. Moore Title: Special Projects Manager