Okaloosa County BOCC — March 4, 2014 — reading text

to the ENGINEER for approval prior to the start of any cleaning operations. 2.2 COATINGS A. All coatings for the job shall be obtained from a single approved coatings manufacturer. Products proposed for use, other than those specified, must be submitted in writing at least 10 days before the bid date. Proposal shall include product data sheets, MSDS sheets, performance criteria as listed in Section 3.12 of these specifications as well as a list of a minimum of 15 tanks (including location, Engineer’s name and phone number, Owner name and phone number) which have utilized the proposed coating system. References shall have rendered satisfactory service for at least 5 years. It is incumbent upon the proposer to prove that the materials submitted meet the generic type as well as the performance requirements established in these specifications. B. Coatings shall be manufactured by the following approved manufacturer: Tnemec Company Incorporated C. Thinners shall be as recommended by the approved coating manufacturer. D. All materials shall be furnished new and delivered to the project site in the original factory sealed containers which are clearly and properly labeled by the coating manufacturer showing the manufacturer’s name, product number, type of coating, batch number and expiration date. E. The materials shall be stored, handled and used in accordance with all manufacturers’ published product data, including all requirements listed on the Material Safety Data Sheets (MSDS). F. Coating Systems 1. Except as modified herein, all coating systems shall comply with the following: a. AWWA D102-06 Outside Coating System No. 4 (OCS-4-modified): Generic Description - A four-coat system comprised of a zinc-rich primer, one polyamidoamine epoxy and one aliphatic urethane intermediate coat, and a fluoro-urethane finish coat. All replacement parts (ladders, hatches, etc.) shall have a five-coat system with the addition of a shop-applied zinc-rich primer to the above described system. b. AWWA D102-11 Inside Coating System No. 3 (ICS-3, Modified): Generic Description - A two coat system consisting of an organic zinc-rich primer, with a 100% solids, fast setting, epoxy lining. Replacement ladder shall have Repair & Paint 009870 - 9 Countryview & Bluewater Tanks (2014) Job No. 41-459 Packet Pg. 262  a three coat system with the addition of a shop-applied zinc-rich primer to the above described system. c. All coatings and coating systems in contact with potable water shall comply with ANSI/NSF, International Standard 61. d. Table 1 in the Appendix has been included to summarize the coatings. This quick reference is included for the contractor’s convenience, but is not intended to supersede the technical specifications. 2.3 ELASTOMERIC SEALANT A. Elastomeric Sealant shall be an NSF approved, one part polyurethane sealant. Product shall be SIKAFLEX-1 as manufactured by SIKA Corporation. 2.4 SEAM SEALER & SURFACER A. Seam sealer and surfacer shall be an NSF 61 approved solventless epoxy seam sealer and shall be Tnemec 215 Surfacer. The seam sealer and surfacer shall be recommended by the manufacturer of the interior paint system. 2.5 DEGREASING AGENT A. A degreasing agent such as Great Lakes Extra Muscle Pre-Paint Cleaner or approved equal shall be used for the pre-inspection washouts as required, if applicable to project. 2.6 MATERIAL SAFETY DATA SHEETS (MSDS) A. An MSDS shall be posted at the job site for each chemical product on the job site including, but not limited to, coatings, thinners, solvents, disinfecting agents, abrasives, welding materials, and flexible sealant material. B. An MSDS for each chemical product on the job site shall also be submitted to the ENGINEER prior to starting any work. PART 3 - REPAIRING AND REPAINTING THE TANK 3.1 PRELIMINARIES A. The CONTRACTOR shall notify the OWNER and the ENGINEER at least seven (7) days before starting the Work at the site. The CONTRACTOR shall reconfirm the commencement of Work with the OWNER and ENGINEER twenty-four (24) hours prior to starting Work at the site. B. The tank shall be drained during all cleaning, painting and curing of the coatings. Repair & Paint 009870 - 10 Countryview & Bluewater Tanks (2014) Job No. 41-459 Packet Pg. 263  C. All operations which would include closing valves, or starting, stopping, or removal from service any equipment shall be done by the OWNER'S personnel upon request by the CONTRACTOR. D. The CONTRACTOR shall provide a representative who shall contact and distribute notices to the surrounding properties in the vicinity of the project site. The purpose of this notification procedure is to inform the neighbors and businesses of the ensuing cleaning and painting operations and to establish a good working relationship with the surrounding property owners and occupants whose property may be affected by the cleaning and painting operations of the CONTRACTOR E. Protection of Equipment and Cabinets 1. All electrical apparatus, telemetering and other equipment in or on the tank, including all wiring, shall be protected from all damage and dust or other deleterious material infiltration during the operations of the CONTRACTOR. 2. Any antennas on the roof of the tank shall also be protected from damage. The operation of the equipment shall be continued during the repair, cleaning and painting operations. 3. Any items damaged by the operations of the CONTRACTOR shall be replaced in kind or acceptably repaired by the CONTRACTOR at no cost to the OWNER. 4. Before cleaning on any portion of the tank, all cabinets on the site shall be covered to prevent the entry of blasting abrasive, dust or paint and so they can continue to function as required. 5. Any cabinets which cannot be covered will be marked by the OWNER. The covering shall be removed from the cabinets while the cabinets are cleaned, painted, and the coating cures in accordance with the exterior painting section of these specifications. 6. Any blasting, cleaning or paint debris inside these cabinets shall be removed by the CONTRACTOR prior to completion of the Work. F. Nameplates 1. The nameplates shall be carefully removed to prevent paint coverage. The areas behind the nameplates shall be cleaned and painted in accordance with section 3.05 of this specification. Repair & Paint 009870 - 11 Countryview & Bluewater Tanks (2014) Job No. 41-459 Packet Pg. 264  2. The nameplates shall be protected from the application of paint on the exposed surface. 3. Any paint on the nameplate shall be removed by solvent cleaning or other methods which will not damage the surface of the nameplate. 4. The nameplates shall be bolted back on the mounting brackets with stainless steel stove bolts and nuts. G. Conduit and Cables 1. Cables, conduit, and conduit clamps shall be relocated as necessary to effect proper surface preparation and coating. 2. The cables, conduit, and conduit clamps along or near ladders shall be repositioned prior to the cleaning and painting being sure to provide a minimum clear spacing of 3" between the cables or conduit and the ladder side rails so as not to interfere with the climber. H. Interior Rigging Openings 1. Suitable threaded outlets shall be installed in the roof of the tank for the attachment of paint rigging. 2. The threaded outlets shall be a Phoenix #132 heavy tank flange. The flanges shall be welded on both the inside and outside of the tank with a continuous fillet weld. 3. Galvanized malleable iron pipe plugs shall be furnished and installed after the completion of the painting. The threads on the plugs shall be covered with Teflon tape prior to threading into the couplings. 4. The couplings shall be installed in sufficient number and placement so as to allow complete and proper cleaning and painting of the shell and roof surfaces of the tank. I. Inter-coat Cleaning 1. Residue or foreign matter on applied coatings to receive subsequent coats shall be cleaned by pressure rinse. 2. Determination of the need for inter-coat cleaning shall be made by the ENGINEER and OWNER. Inter-coat cleanliness shall be determined by wiping with clean white rags, determination of pH, chlorides or other suitable test, depending on circumstances. Pressure cleaning when required between coats of coating material are the CONTRACTOR’S responsibility. Repair & Paint 009870 - 12 Countryview & Bluewater Tanks (2014) Job No. 41-459 Packet Pg. 265 3.2 ELECTRICAL SYSTEM SAFETY A. The CONTRACTOR shall at a minimum take the following safety measures to prevent accidents due to electrical hazards: 1. Electric Service Deactivation: a. The OWNER shall deactivate and lock out the electric service to the tank. b. The CONTRACTOR shall verify the deactivated status of the electric service to the tank prior to beginning each day's Work functions and throughout the work day. c. The verification of the electric service deactivation is the sole responsibility of the CONTRACTOR and shall be accomplished without supervision from the OWNER, ENGINEER, or other direct or indirect agents of the OWNER. 2. Electric Service Wiring a. The CONTRACTOR shall be aware of the electric service wiring attached to and located adjacent to the tank. b. The OWNER shall relocate, deactivate, or provide necessary electric shock