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

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 The nameplates shall be protected from the application of paint on the exposed surface. Any paint on the nameplate shall be removed by solvent cleaning or other methods which will not damage the surface of the nameplate. _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. 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. 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. 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. 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. 2. Repair & Paint Countryview & Bluewater Tanks (2014) Residue or foreign matter on applied coatings to receive subsequent coats shall be cleaned by pressure rinse. 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. 009870 - 12 Job No. 41-459 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 hazard protective devices to prevent exposure of workers and/or equipment to electric shock hazards. c. The CONTRACTOR shall verify that there is sufficient electric shock hazard protection for the workers and equipment prior to and throughout each working period on the job. d. The verification of the electric shock hazard protection 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. 3.3 CONTAINMENT SYSTEM A. The CONTRACTOR shall design and provide a containment system for the capture, containment, collection, storage and disposal of the waste materials generated by the work under this specification Section, to meet the requirements of SSPC Guide 6, Class 3 and this specification. B. The Containment Enclosure shall be at minimum as follows: Repair & Paint 009870 - 13 Countryview & Bluewater Tanks (2014) Job No. 41-459 Repair & Paint 009870 - 14 Countryview & Bluewater Tanks (2014) 1. A retractable enclosure to completely surround (around and under) the blasting, priming and coating operations. The ground cannot be used as the bottom of the enclosure unless completely covered with suitable containment material that retains 100% of the residue. 2 Constructed of flexible materials such as containment screens (specifically designed for this purpose). The floor may be containment screening or of rigid materials such as overlapping plywood fastened in place. Maintained free of tears, cuts or holes. 4. Have seams overlapped a minimum of 6" and fastened together at 12" centers or fastened and overlapped in a manner that insures a tight seal which does not allow openings between the screens in the containment. With sides extending past the top of and enclose the roof of the tank. 6. With a top bonnet capable of containing dust, debris and coating materials being removed. 7. Retractable or moveable in a carousel fashion such that: a. Lowering shall require no more than 10 minutes b. Raising shall require no more than 15 minutes. iv) ws It is the CONTRACTOR’S responsibility to insure the feasibility and workability of the containment system. The CONTRACTOR shall ensure that no cleaning/blasting debris, overspray or coating droplets escape to the atmosphere. The ground surrounding the tank shall be protected from all debris and other materials generated in the cleaning operations. The CONTRACTOR shall be responsible for all materials that are used and for any apparatus used to contain debris, overspray, and coating droplets. The CONTRACTOR shall perform his operations and work schedule in a manner as to minimize leakage of the containment system. The containment system shall be properly maintained and shall not deviate from the approved drawings, without the ENGINEER’S approval. If at any time during the execution of the work, the containment system fails to function satisfactorily, the OWNER reserves the right to stop work and the CONTRACTOR suspend all operations, except those required to minimize adverse impact on the environment or property. Operations shall not resume until modifications have been made to correct the cause of failure. Modifications shall be approved by the ENGINEER. The OWNER further reserves the right to stop work or to require additional or different enclosure methods, if the CONTRACTOR’S operations create a nuisance beyond the tank site property line in the sole opinion of the OWNER, the ENGINEER, the OWNER’S designated representative, any regulatory agency, or neighbor. Job No. 41-459 H. The containment system and all accompanying support brackets and rigging shall be designed by a professional engineer and appropriately signed and sealed per applicable rules and regulations. A professional engineer registered in the State of Florida shall provide a statement that the containment system will not exceed the structural loading capacity of the tank when fully erect. I. The containment system utilized on the tank shall be designed not to impose excessive loading on the tank, tower and tank appurtenances. Any damage done to the tank or tower as a direct or indirect result of the enclosure system shall be repaired by the CONTRACTOR at no additional cost to the OWNER. Neither the ENGINEER nor the OWNER assume any responsibility for the structural ability of the tank and tower to support the enclosure system. J. All equipment shall be parked on ground covers free of cuts, tears or holes to prevent contamination of pavement or soil and to protect area under and around equipment. K. If tarps are used as part of the enclosure, the tarps shall be an impervious, solid, flame- resistant material, reinforced with a fiber mesh and shall allow as much light as possible to pass through the material. L. The existing paint being removed from the tank may contain lead and chromium. The CONTRACTOR shall bear all responsibility to assure that workers take proper safety precautions when working in a lead and chromium abatement environment. M. Dust Collectors - Air Filtration Units: 1. Furnish and use a dust collector(s) during all blasting work. 2. Units to be equal in filtration capacity to Eagle Industries dust collectors. Other units may be approved as equal, but their substitution will be evaluated on efficiency at 0.5 micron size and airflow movement. Unit shall be 40,000 cfm minimum. Furnish HEPA filters for dust collection. Number of dust collectors shall be sufficient to supply a 50 ft/minute downward draft at most areas. An average may be considered. Determination of actual containment plan will be the deciding factor. Calculations of airflow shall be included in the containment submittal. 6. CONTRACTOR shall use only new filters or filters that are certified clean. N. All costs of providing the containment system (including air filtration) shall be included by the CONTRACTOR in the Base Bid. we w& 3.5 REPAIRING THE TANKS Repair & Paint 009870 - 15 Countryview & Bluewater Tanks (2014) Job No. 41-459 A. Grout Repair 1. The grout which is between the base plates and the concrete foundations shall be tested by the CONTRACTOR under the observation of the ENGINEER by using a sharp 16 oz. hammer. Any missing or loosened portions of grout shall be replaced with a non-shrinking, non-staining, high-strength structural grout material. The final contour of the grout shall be vertical and flush with the edge of the base plates, and shall not overlap outside the edge of the base plates. After the grout has hardened sufficiently for the application of a curing compound, a water-based curing compound shall be applied to the exposed grout surfaces. After cleaning and painting, any separation between the base plates and the grout greater than 1/32" and less than 5/32" shall be filled with elastomeric sealant. B. Welding Repairs 1. Repair & Paint “Countryview & Bluewater Tanks (2014) All welding repairs to the interior or exterior of the tank are to be made prior to all painting operations. No welding or flame cutting through the existing coating system shall be permitted, unless adequate worker protection is provided in accordance with the instructions in ANSI Z49.1, "Safety in Welding and Cutting." Any resulting burrs, weld spatter, sharp edges, corners, or rough welds which would cause difficulty in applying a holiday-free coating shall be ground smooth. This