Core Viewpoint - The Haikou City Noise Pollution Prevention Work System aims to address noise disturbances through clear departmental responsibilities and specific measures for source control, classification management, and law enforcement [1][2] Group 1: Departmental Responsibilities - The system clearly delineates departmental responsibilities to form a regulatory synergy [1] - The market supervision department will enhance noise limit spot checks on equipment such as elevators and cooling towers [1] Group 2: Source Control Measures - New residential buildings must disclose sound insulation conditions and noise impacts, with specifications included in purchase contracts [1] - Construction projects that may generate noise pollution are required to conduct environmental impact assessments [1] - Noise pollution prevention facilities must be accepted and reported before a project begins operation [1] Group 3: Construction Noise Management - The system prohibits noisy construction activities in noise-sensitive areas during midday and nighttime [2] - Low-noise construction techniques and equipment are promoted, with a ban on high-noise equipment in sensitive zones [1] - Noise pollution prevention is integrated into safety and civilized construction management [1] Group 4: Law Enforcement and Monitoring - Portable noise monitoring devices will be provided to grassroots enforcement units, encouraging social detection agencies to assist in enforcement [2] - Collaborative efforts between comprehensive administrative law enforcement and public security departments will focus on strict penalties for repeat noise violations [2]