Description
SCOPE OF WORK: 1. Surface preparation: i. Remove any visible oil, grease or salt contaminants. ii. All steel surfaces must be prepared in accordance with SSPC-SP 2 (Hand Tool Cleaning), SSPC-SP 3 (Power Tool Cleaning) and SSPC-SP 11 (Power-Tool Cleaning to Bare Metal) Standards. SP11 must only take place when necessary. Following hand and power tool cleaning, all surfaces must be brushed, blown clean with compressed air or vacuumed to remove all dust, and debris before the application of any coating. The Contractor must prevent the migration of debris, paint chips and dust to adjacent properties. All debris must be collected at the end of each workday. No debris must be left on-site overnight, and the premises must be returned to a clean condition upon completion of work. iii. Hazardous Materials Requirements: The FAA completed lead, heavy metal (chromium and cadmium) and polychlorinated biphenyl (PCB) sampling on the 75' towers which were found to be detected. The contractor must review the attached sampling report to ensure awareness of the presence of hazardous materials and must ensure that all surface preparation work must comply with all local, state and federal requirements. 1. Summarized Results: Tower A: Detected lead-based paint, polychlorinated biphenyls, chromium and cadmium. Tower B: Detected lead-based paint, chromium and cadmium. PCBs were found to be not detected but Contractor must assume PCBs are present. Tower C: Detected lead-based paint, polychlorinated biphenyls, chromium and cadmium. Tower references are shown in a diagram in the last page of the sampling report. a. Contractor must submit on a project specific Health and Safety Plan mitigating all hazard identified in the tower sampling report. All work must be completed in accordance with OSHA, EPA, SSPC/AMPP Standards and all other relevant standards. The Contractor must have a class 3P containment to prevent debris from spreading outside the worksite. See submittal section for all required submittals. b. All waste must be disposed according to Connecticut Department of Energy and Environmental Protection and EPA regulations and disposed at waste facilities that accept the associated hazardous materials. c. Contractor must provide a manifest in accordance with all federal, state and local standards. 2. Spot Prime Coat: All bare steel surfaces must receive one spot prime coat of Tnemec Series 135 Chembuild epoxy, or approved equal, in color 1243 Metallic Aluminum at 4-6 mil Dry Film Thickness (DFT). Follow all manufacturer requirements. 3. Full coat: Apply full coat of Tnemec Series 135 Chembuild epoxy, or approved equal, in color DC74 Off-White at 4-6 mil DFT on all exterior surfaces. Follow all manufacturer requirements. 4. Full Finish Coat: Apply one full finish coat of Tnemec Series 1095 Endura-Shield polyurethane, or approved equal, at 2.5-3.5 mils DFT on all exterior surfaces. Follow all manufacturer requirements. 5. The towers are equipped with a ladder and rail…
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