There is a solution to this problem as it pertains to double deep, push back, and flow through racking etc. Take a look here.
http://accu-flex-safety.com/products/marc/pdf/themarc.pdf
The system is the MARC - Maintenance and Retrieval Cart. You can use it as a safe anchor location for clearing jams, pallets, and product and also to perform rack inspections at height.
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