DANGER Confined Space Sewer Manhole Sign – Restricted Area – 8x12 Aluminum

Control access and improve hazard awareness at sewer infrastructure entry points with a clear, professional confined space identification sign. This Danger Permit-Required Confined Space Sewer Manhole sign is designed to highlight permit-required conditions and reinforce entry discipline around manholes, helping reduce the likelihood of unplanned or unauthorized access.

Manufactured from rust-resistant aluminum with UV-resistant printing, it’s built for outdoor deployment in real-world conditions including heat, rain, and high humidity. The large, high-contrast layout supports quick recognition from a distance, helping you standardize site marking, set expectations for contractors, and support confined space program consistency.

Common placements

• Near sewer manholes and access covers
• Lift stations, pump stations, and wastewater facilities
• Utility corridors, fenced perimeters, and service areas
• Municipal and industrial maintenance zones

Construction features

• Rust-resistant aluminum for long-term outdoor durability
• UV-resistant graphics for lasting readability
• Pre-drilled holes for fast mounting and removal
• Rounded corners for safer handling and a finished look

Operational note: Follow your confined space program requirements, including permit authorization, atmospheric monitoring, ventilation, attendant procedures, rescue planning, and PPE rules prior to entry.

• Confined space identification at the point of access: Clearly labels sewer manholes as permit-required confined spaces to reinforce controlled entry practices for crews and contractors.
• Supports site access control: High-contrast “DANGER” header helps increase hazard awareness and reduce casual, unauthorized approach to manhole access points.
• Built for outdoor infrastructure: Manufactured from rust-resistant aluminum with UV-resistant printing to hold up in sun, rain, humidity, and jobsite wear.
• Fast install on common surfaces: Pre-drilled mounting holes and rounded corners support quick placement on fences, posts, doors, and nearby structures.
• Made by CGAP Safety: CGAP Safety is an American safety manufacturer producing durable, professional-grade workplace and facility signage.