| http://www.w3.org/ns/prov#value | - (f) backfill all excavations in such manner and with such materials as may be reasonably necessary for the protection of existing underground utility facilities in and near the excavation or demolition area; (g) after February 29, 2004, when the excavation or demolition project will extend past 28 calendar days from the date of the original notice provided under clause (d), the excavator shall pro
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