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File: 011696_129_15_037.txt
2. Pro-invasioji condition. A major renovation project
was scheduled for the f acility prior to the invasion. The
plant was bypassing up to 40% of its design capacity to the
sea with no treatment -because it was both hydraulically and
biologically overloaded. some structural and piping repairs
were 'scheduled as a result of corrosion damage. The grit
removal was inadequate needed upgrading.. 'The influent piping
structure was -leaking severely - this is currently under
repair under sub-contract by OM3:.
3. Condition at liberation. All flow to the plant was
stopped due to outages of the major pump stations feeding the
plant. War damages were slight. The laboratory buildings
were occupied by Iraqis and were ransacked. The supernatant
return pump station in the sludge treatiftentarea was flooded
and out of commission. The plant was generally good condition
considering its age and the lack of maintenance and upkeep
over the last 10 months.
4. Present Copdition and Recommendatlons. Areas of the
plant have been cleaned and repairs are underway. The
laboratory is partially functional and repairs are being made
at the supernatant pump station. The plant is receiving very
low flow rates due to major pump stations being out and the
low contributory population at present. It is said to be at
about the lot capacity level. It appeared some of the
clarifiers were inoperable due to mechanical failure of the
sludge removal equipment and possibly caked sludge at the
bottom of the clarifiers.' The activated sludge (mixed liquor
suspended solids(MLSS) - 2100 mg/l according to the operator)
was building in the first stage aeration basins and a
relativel clear effluent was observed at the effluent weirs
LY
of the first stage clarifiers. The activated sludge in the
second stage process has not y@t.developed (MISS = 300+ in the
aeration basin according to the operator). The sludge was not
settling in the second stage clarifiers and the extreme low '
flows compared to the design capacity of the -plant have
hindered the buildup of a biomass in the second stage. No
flow-is being bypassed and no sludge is being wasted to the
sludge handling facilities. Geiie*al mechanical and electrical
checks of all components is required. Cleaning of the
preaeration basins and the clarifiers (first and second stage)
should be accomplished. The clarifiers that are not
operational should be de-watered and cleaned prior to start-up
of the sludge removal mechanisms as caked sludge and sand
could damage the equipment. The minimum number of aeration
basins and clarifiers should be operated to allow adequate
treatment of the incoming flow. Increase the number of units
as the flow increases. Since this plant is. currentl
y
operating it is the f irst of the three plants to begin a
buildup of biomass. The sludge from Ardiya should be used as
seed sludge for the Rikka and Jahra. Sludge from the first
31
37
Box ID = BX000000
Unit = CONST ENG LABS
Parent Organization = CORPS OF ENGS
Folder Title = SANITARY SEWAGE SYSTEM RECOVERY ASSESSMENT
Subject = SANITARY SEWAGE SYSTEM RECOVERY ASSESSMENT
Document Number = 129
Image file name = 00000038.tif
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