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activities. This will always be coordinated with City of Santa Ana in advance. <br />RFI's will be issued as needed if questions or scope issues arise during the course of <br />the demolition activities. Field activities related to any BFI's will not occur until an <br />appropriate answer has been provided. <br />3.1 PRE -STRUCTURAL DEMOLITION ACTIVITIES <br />AS needed, IDI will use Bobcat skid steer loaders and hand labor to remove all soft <br />debris that is not easily separated from the concrete material. This includes removal of <br />roofing, ceilings, HVAC ducts, insulation, plaster partition walls, lights and all other <br />building components. <br />Fences will be installed around the trees that are to remain as per the plans in order to <br />protect them from any damage during the demolition. In addition, they will be <br />watered weekly, every Friday at Sam utilizing our water truck that is permanently on <br />site. <br />3.2 ABOVE SURFACE DEMOLITION <br />IDI will begin the above surface demolition after the asbestos and lead abatement has <br />been completed and as demolition progresses, IDI will use Bobcat skid steer loaders <br />and hand labor to separate the wood, metal, and roof materials in order to transport <br />them to a recycling facility. Roof containing concrete will be transported with the clean <br />concrete to a recycling facility. The wood mixed with trees and shrubbery will be <br />recycled to be used as combustible. <br />IDI will utilize excavators and track loaders equipped with special demolition <br />attachments (i.e. hydraulic breakers, hydraulic shears, and grapples) to demolish these <br />structures. The use of IDI's excavators increases the efficiency of the demolition <br />process and allows a more controlled operation than conventional crane and ball <br />wrecking procedure. Demolition will begin from the top working down and from one <br />end of the building working towards the other end. Excavators and loaders will <br />systematically demolish the building structure and process the demolition debris. <br />Demolition debris will be segregated and stockpiled for proper disposition. <br />3.3 SUB -SURFACE DEMOLITION <br />Sub -surface demolition will consist primarily of removal of building slabs, and footings. <br />IDI will use excavators to demolish the concrete down to slab or adjacent grade <br />elevation. Track loaders may assist with debris removal, processing, stockpiling and <br />loading. Slabs and footings will be broken in place, processed and hauled off site for <br />recycling. <br />3.4 FERROUS AND NON-FERROUS METALS RECYCLING <br />During demolition of the existing building structure, IDI will process the demolition <br />debris to recycle as much metal material as possible. Structural steel framing, metal <br />roofing and siding, reinforcing steel in concrete, copper tubing, electrical cable, <br />