attachment_1_RFP DES 2025-14.pdf

This document appears to be Figure 7.1 from a safety manual or hazard assessment document for the Franklin Compound, specifically detailing potentially hazardous places including confined spaces as per 29 CFR 1910.146(b) and LAB 1402.02. The figure is presented as a comprehensive matrix that identifies potential hazards and required precautions for various locations within the facility, including OPS Building & Tunnels, Headworks, Primary Treatment areas, Aeration Tanks, Secondary Clarification areas, Disinfection Facilities, and Solids Handling Areas.

The matrix identifies specific hazard types such as permit required entries, oxygen deficiency, fire/explosion risks, toxic gases, and low/limited egress, along with corresponding precautionary measures like lockout/tagout requirements, safety harness usage, and gas monitoring needs. Notable safety considerations include special requirements for digesters, which must be emptied before cleaning or entering, and specific protocols for situations involving potential exposure to hydrogen sulfide. The document also includes five detailed notes providing additional guidance on tank entry procedures, blower usage restrictions, and requirements for confined space entry permits.