| http://www.w3.org/ns/prov#value | - so- done and performed so as not to interfere with the safe and continuous operation of said railroad or railway, and, provided further, that if said work should require the relocation, removal or alteration of any tracks, poles, wires, signals, or other appurtenances of said railroad or railway, the plans and specifications, in so far as they relate to such relocation, removal or alteration, and
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