Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.

Findings: The relay always stay energize getting power from Digital Output I/O card. So sandfilter can’t maintain the backwash sequence. That’s why , we change the DDO module in FCP-1 panel. Now the SF is working normally.

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Findings: Switch problem found. Action taken: Switch replace.
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All panel cleaning completed.
APP Annual Procurement Plan for the year 2024-2025 SL. No Name of the Work Estimated Cost Specifications/Detail Documents 1 Underground Optical Fiber network…