Atch-01 PWS Attachment 8.8.3. Digital Analyzer Install Inspection.pdf

This is an inspection and acceptance report for a wastewater treatment plant (WWTP) analyzer installation project at JB Charleston-FEM, completed on May 1, 2025. The work achieved 100% completion (8.0/8.0 rating) with all system components tested, installed, and accepted as of May 2, 2025.

The project deliverables included eight key components: (1) a NEMA Type 4x enclosure with 1 each ADD unit featuring 3'x3'x12" deep design with support rack for coastal environmental protection and integration with existing electrical systems; (2) one CL17sc Colorimetric Chlorine Analyzer (Part Number B572800); (3) two SC4500 Digital Controllers with Claros-enabled outputs and 100-240 VAC capability; (4) one Hach LD0 sc Model 2 Dissolved Oxygen Probe with Luminescent Oxygen Technology; (5) one Differential pH and ORP Sensor with digital pH sensor featuring glass differential electrode and PEEK compatibility; (6) six-month supply of reagents and consumables for the chlorine analyzer; (7) one-year Warranty Plus Service from Hach; and (8) airline diffuser re-routing for the dechlorination chamber using stainless-steel materials with detailed specifications for line installation depth and fine bubble diffuser configuration. Personnel on-site for inspection included Curtis Evans (CEI), Arkie Freeman (operator), Joe Pilcher (K&K), Devin Corley (Trane), Cindy Hodson (CEO), a Hach technician, and Corey Wolf (CEO). Training was completed and work was inspected and accepted, with a contractor-identified leak in the enclosure subsequently sealed before final completion.