Underground Utility Damage Prevention Act. Makes various changes to the Underground Utility Damage Prevention Act. The bill (i) requires excavators to review updates in the 811 positive response system and conduct additional safety verifications before digging, (ii) allows an excavator to schedule a locate request 12 days in advance, (iii) creates a criminal penalty for any person who knowingly and intentionally excavates after being notified by a representative of the Commission of a determination that such excavation constitutes an immediate threat to safety or property and such representative requests that excavation cease, (iv) increases from $2,500 to $10,000 the maximum civil penalty for violations of the Act, and (v) updates notification requirements. This bill is identical to HB 2132.