SOW - IWP Oven Repair (HBL).docx

Building 1770 Industrial Waste Processor (IWP) Oven Body Repair Scope of Work

· Repair rusted portions of IWP oven body. Period of performance should not exceed 60 calendar days after award.

· Remove oven insulation to expose critically rusted areas.

· Remove rusted sections from existing oven body roof and sides.

· Ensure existing conduit, piping, and instrumentation is not damaged.

· When necessary, work with NSWC IHD personnel to remove conduit, piping, or instrumentation to avoid damage.

· Remove the rusted metal (both sheet metal and structure) on the oven ceiling on the half of the oven that is located outside as seen in figure 1.

Figure 1

· Remove all additional metal needed to ensure effective welds on the ceiling or sides.

· Weld in replacement steel as needed.

· Replacement steel should be at least the thickness of the existing material.

· Repair any cracks on exterior. Currently one identified crack below the large burner as seen in Figure 2.

Figure 2

· Repair lower portion of vertical beams. As shown in, but not limited to, figure 3.

· Clean

· Splice in support as needed.

Figure 3

· Make additional corrections as needed.

· Replace oven insulation with new as needed, in kind when possible. When not possible, replace with same R value or greater.

· Paint new weld beads, at a minimum, with temperature resistant paint.

· Provide the same portholes or other features as original structure.

· Return the oven to original configuration if any damage occurs during work.

· Contractor shall provide all equipment and materials.

· Contractor shall provide a plan for approval prior to work being completed.

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