Okaloosa County BOCC — February 18, 2014 — Repair & Paint Countryview & Bluewater Tanks — reading text

interior coating curing to verify that minimum steel temperature requirements are satisfied. 009870 - 26 Job No. 41-459 E. Logos 1. Countryview Tank - The Tank CONTRACTOR shall paint the Okaloosa County logo on the broadside of the tank. The logo shall be painted using colors to match the logo (See Appendix for representative detail). Final color selections are on file at Tnemec. Orientation of the Logo on the tank to be determined by the OWNER. Diameter of the logo shall be minimum of 20’. 2. Bluewater Tank - The Tank CONTRACTOR shall replace the existing “sailboat” logo to match as is. Artwork for the logo is not available. Tank logo paint shall be same as final top coat required by the exterior coating system F. Safety Climbing Devices 1. The tubular notched galvanized rigid rail safety-climbing devices shall be removed prior to the cleaning and painting of the ladders. 2. All paint on the device, both existing paint and any paint spilled on the device by the CONTRACTOR, shall be removed by wiping the device with the proper solvent. 3. Any rust which has developed on the safety rails shall be removed by power tool cleaning with Scotch-Brite abrasive discs, then these areas shall be coated with one coat (2.0 to 3.0 mils thick) of an aluminum platelet pigmented single component Polyurethane mastic such as Tnemec 530 Omnithane. 4. Any necessary temporary protective devices for compliance with Federal OSHA requirements, all state and local safety regulations, and safe working practices shall be furnished and maintained by the CONTRACTOR. 5. After the curing of the ladder paint, the tubular notched galvanized rigid rail safe- climbing device shall be reinstalled in a secure manner as recommended by the manufacturer of the climbing device. 6. Any fasteners damaged by the removal and replacement of the device shall be replaced by the CONTRACTOR at no cost to the owner. 3.7 INSPECTION AND TESTING A. Testing Coatings 1. Ifadispute arises concerning the quality or quantity of the applied coatings; adhesion tests, Tooke gage inspection, or some other form of destructive testing may be employed. Repair & Paint 009870 - 27 Countryview & Bluewater Tanks (2014) Job No. 41-459 2. If such tests are employed, the OWNER will pay for these tests and the CONTRACTOR shall repair the damaged coating at no additional costs to the OWNER regardless of the outcome of the tests. B. Observation 1. All Work shall be accessible to the ENGINEER using the CONTRACTOR'S rigging and equipment. If assistance is required for the ENGINEER to safely inspect the work, the CONTRACTOR shall assist the ENGINEER. The cost of labor and equipment to assist the ENGINEER shall be included in the Base Bid contract amount. C. Hold Points for Required Inspections The CONTRACTOR shall give the ENGINEER at least 24 hours notice (48 hours if inspection required on weekend) before each of the following stages in the Work is completed: WC HSNAWRWN any repairs and prior to preparation interior blast (frequency to be determined) installation of prime coat installation of stripe coat exterior blast exterior prime coat exterior stripe coat exterior 1* intermediate exterior 2" intermediate Failure to notify ENGINEER as specified may result in removal of any installed coating or re-work of surface preparation that has occurred since last hold point. Removal or re-work shall be at the sole discretion of the OWNER and ENGINEER and shall be at no additional cost to OWNER. 3.8 DISINFECTION OF THE TANK AND PIPING A. Cleaning 1. 3. Repair & Paint Countryview & Bluewater Tanks (2014) After curing and prior to disinfecting, the CONTRACTOR shall wash the tank interior with potable water to remove all loose paint overspray, dirt, etc. All equipment, including brooms, brushes, spray equipment, and worker's boots, shall be disinfected before they are used to clean the water storage facility. The CONTRACTOR shall supply an adequate volume of water (20 gpm 009870 - 28 Job No. 41-459 4. minimum) with sufficient pressure (60 psi minimum at the nozzle) to wash thoroughly all the interior wet surfaces, including those surfaces above the high water level. The spent water shall be removed from the tank before filling the tank. B. Disinfection 1. It is the CONTRACTOR'S responsibility to flush and disinfect the tank until two (2) consecutive satisfactory water samples are reported from the OWNER'S laboratory. Method 2 (Section 4.3) of AWWA C652 shall be used for disinfection (spray method). Material used for disinfection shall be HTH only. The OWNER shall take and send in the samples to the laboratory, but shall assume no responsibility for the sampling technique or the care of the samples. The stored tank water shall comply with current state and USEPA standards for organic, inorganic, and biological contaminants as influenced by the operations of the CONTRACTOR. 3.9 Cleaning and Painting Concrete A. Preparation 1. The CONTRACTOR shall dig down beside each foundation to expose approximately 4" more of the concrete than is normally exposed (at least 10" from the top of concrete). 2. Prior to any digging, the CONTRACTOR shall contact the utility hot line to have all utilities marked on the site. 3. All concrete areas thus exposed (from the ground to the base plates) shall be cleaned by brush-off blast cleaning to remove any existing coatings and other contaminants. This entails lightly abrading the concrete surface without entirely removing the surface concrete. 4. The aggregate shal] not be exposed by the blasting operations. 5. All efflorescence and laitance shall be removed from the surface. 6. The cleaning operation shall be performed to open subsurface holes and voids and to produce a profile for the proper adherence of the specified coating system (equivalent to 40-60 grit sand paper). Repair & Paint 009870 - 29 Countryview & Bluewater Tanks (2014) Job No. 41-459 7. Bug holes, voids, pinholes, honeycombs and any other concrete imperfections shall be patched, repaired or filled with 100% volume solids epoxy repair material prior to coating application. B. Coating Application 1. All cleaned concrete areas shall be given a two (2) coat roller applied coating. 2. Each coat shall be applied at a rate to achieve a 4.0 - 6.0 mil dry film thickness. The total dry film thickness shall be 10.0 mils. C. Backfill After the coatings have cured and been approved by the ENGINEER, the concrete structures are to be backfilled to the original grade. 3.10 GUARANTEE AND ANNIVERSARY INSPECTION A. All Work shall be guaranteed for five years after the date of substantial completion. This guarantee shall be provided for in the CONTRACTOR'S Performance Bond and as described in Section 00624, Warranty Attachment. B. The coatings manufacturer shall provide a 15 year warranty for the exterior coating system. The warranty shall cover the following: Color Retention Gloss Retention Chalking Checking. Blistering Cracking Delamination The Contractor shall prepare and field apply the complete specified coating system to a minimum of (6) panels (to be supplied by Tnemec — size 3” X 6” or larger) of each exterior finish color identified in the warranty. The (6) field applied sample panels of each finish color shall be air dried for a minimum of (7) days and shipped to Tnemec Company prior to final acceptance of the Work. The panels will be checked for verification of color accuracy and stored as the Original project Color Standards for the duration of the Warranty Coverage. Upon completion of the work, Tnemec Company shall forward the signed Warranty document along with two (2) panels of each finish color to the Owner for retention by the Owner and shall return two (2) panels of each finish color to the painting contractor Repair & Paint 009870 - 30 Countryview & Bluewater Tanks (2014) Job No. 41-459 ’ C. The Owner will notify the Contractor at least 30 days prior to each anniversary date throughout the five year warranty period and shall establish a date for each inspection. The tank will be drained, at Owner’s discretion, and the Owner's representative and the Contractor shall thoroughly inspect all surfaces both inside and out. Any defects in the coating system shall be repaired by the Contractor at no additional cost to the Owner. Should a failure occur to 25% of the painted surface, either interior or exterior, the entire surface shall be cleaned and painted in accordance with these specifications. D. The CONTRACTOR shall have at least one gallon of each final coating at the time of the inspection along with power cleaning tools and "Scotch-Brite" abrasive disks for spot cleaning. E. To return the tank into service more quickly, the CONTRACTOR shall also have two cases of Tnemec FC22 Touch-Up Kits (with appropriate compression gun) to touch up the interior wet surfaces. Spot repairs shall be made by the CONTRACTOR before returning the tank back into service. Repairs requiring extensive Work and rigging may be delayed until a time mutually agreeable to the OWNER and CONTRACTOR. F.. It is the CONTRACTOR'S responsibility to disinfect the tank in accordance with AWWA C652-92 until two (2) consecutive satisfactory water samples are reported from the OWNER'S selected laboratory. All costs associated with the Anniversary Inspections, including disinfection if required, shall be included in the Base Bid price. 3.11 RESTORATION OF GROUNDS A. Clean-up 1. The job site shall be kept in a clean and safe condition at all times. Hazards or nuisances shall be protected at all times. 2. Upon completion of the Work, the job site and all nearby sites impacted by the Work activities shall be left clean of all debris, cleaning residue, or any other items resulting from the operations of the CONTRACTOR. 3. The cost of any cleanup which must be done by the OWNER shall be deducted from funds due the CONTRACTOR. Double layers of plastic sheeting (each at least 6 mil thick) shall be placed under any compressors, paint pumps, mixers, welding machines, etc., to prevent oils, solvents, organic compounds, or other contaminants from leaching into the soil. Any oils, solvents, organic compounds, or contaminants spilled on the site during the process of the Work shall be immediately removed and cleaned up by the CONTRACTOR B The CONTRACTOR shall grade and level the site upon completion of all work and Repair & Paint 009870 - 31 Countryview & Bluewater Tanks (2014) Job No. 41-459 grass the site with rye or other type grass that will provide cover to all disturbed areas. This work shall be completed at no extra pay to the CONTRACTOR. 3.12 REPORTS A. The CONTRACTOR shall complete the reports included at the end of this section for this project. The report shall be completed daily and sent to the Owner and Engineer for their review and records. B. No progress payments will be authorized for payment until acceptable completed reports are properly submitted. 3.13 PRODUCT PERFORMANCE CRITERIA Provide the following product information and manufacturers published performance data should coatings or coating system be submitted in lieu of the standard of quality established in the project documents. Should the data not be available in a published format, or if the duration of the test does not meet the specified requirement, please respond in the appropriate space with NT (Not Tested). A. Interior and Exterior Primer — Generic Type: 2. Special Qualifications: w Solids By Volume: 4. Zinc Content: 5. Test Criteria: Organic Zinc Rich Urethane Primer Certified in accordance with ANSI/NSF STD 61 for contact with potable water in tanks of 1,000 gallons capacity or greater. 63% 83% by weight Test Criteria Test Duration Proposed Product Test Results ASTMB 117 50,000 hours Rust @ Soribe: Salt Spray (Fog) (Scribed Panel) Blisters: , Rust @ Scribe: ASTM G 85 15,000 Hours Plane Rust: Prohesion Bli ; isters: ASTM D 4585