CONTROLS
DISCHARGE BLOCKED
WITHIN 4nm OF LAND
MARPOL ANNEX IV REG.11
Pumps & Blowers
Valves
PIPELINE COMPONENTS
P&ID SCHEMATIC — BIOLOGICAL STP
SEWAGE INLET AERATION TANK ---% DO:-- mg/l LI-201 BLOWER OFF SETTLING TANK SS: -- mg/l AI-202 SLUDGE RETURN CHLOR CHAMBER Cl₂: -- mg/l BOD: -- mg/l QI-203 EFFL OVBD BLOCKED POSITION: AT SEA — DISCHARGE PERMITTED (>4nm) MARPOL ANNEX IV | MEPC.159(55) | BOD≤50 | SS≤35 | Cl₂: 0.2–0.5 mg/l
GAUGES & ALARMS
QUALITY: PENDING
BOD---mg/l
SUSP SOLIDS---mg/l
RESIDUAL Cl₂---mg/l
pH7.0
AERATION LEVEL---%
DO (DISS O₂)---mg/l
ACTIVE ALARMS
SYSNo active alarms
PIPELINE LINEUP
SEWAGE INLETCLOSED
AERATION AIRCLOSED
EFFL OVERBOARDCLOSED
SLUDGE RETURNCLOSED
HOLDING BYPASSCLOSED
AERATION BLOWERSTOPPED
CHLORINATOROFF
EFFL PUMPOFF
OPERATION LOG
--:--:-- Awaiting scenario selection...
EFFLUENT PARAMETERS
MEPC.159(55) DISCHARGE LIMITS
BOD limit≤50 mg/l
SS limit≤35 mg/l
Cl₂ range0.2–0.5 mg/l
pH range6.0–9.0
Min distance4nm
COMPLIANCEPENDING
DISTANCE--- nm
DISCH ENABLEDNO
TREATED (m³)0.00

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