U A H P C

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Process Scheme

01

Preliminary Treatment

  • Inlet
  • Screening
  • Grit Chamber
02

Primary Treatment

  • Pre-Aeration
  • Prim. Sedim.
03

Secondary Treatment

  • Selector
  • Activ. Sludge
  • Sec. Sedim.
05

Sludge Treatment

  • Thickening
  • Digestion
  • Dewatering
  • Composting
04

Tertiary Treatment

  • Filtration
  • Disinfection
    • TSE
    • Discharge
04

Tertiary Treatment

  • Filtration
  • Disinfection
    • TSE
    • Discharge
05

Sludge Treatment

  • Thickening
  • Digestion
  • Dewatering
  • Composting

Wastewater Treatment Plant

Plant - Key Data

  • Fenced Area: ca. 69 ha
  • Interconnecting Pipelines: ca. 32 km PEHD
  • Reinforced Concrete: ca. 190,000 m3
  • Reinforcement: ca. 24,000 t
  • Roads: ca. 11 ha
  • Qd=500,000 m3/day; 1,725,000 PE
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Plant Parameters

Parameter Unit Stage 1 Stage 2
Average Daily Flow m3/Day 500,000 700,000
Maximum Daily Flow m3/Day 550,000 770,000
Average Hourly flow m3/Hour 20,833 29,167
Peak Hourly Flow m3/Hour 30,417 42,583

Emergency Sea Outfall

  • Only treated sewage effluent might be discharged in cases when TSE production is higher than TSE demand.
  • The ESO from the Stage 1 Plant to the sea originates near the Northeastern corner of the plant area in a straight line towards the sea where it will be extended for about 2 km into the sea.
  • The ESO will lead first through an open area, then cross the E40 road, then again lead through an open area parallel to a local road and, just before the shore line, cross a fenced plot which is owned by the State of Kuwait
  • The total length of the ESO is approximately 3.5 km with an additional 2 km pipeline leading into the sea.
  • Construction method: onshore — open cut; offshore - microtunneling
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Electrical Special Facilities (ESF)

Electrical Special Facility in Umm Al Hayman – “W” 300/132/11 kV Substation and infeed is by 300 kV overhead line between Zour south power station “ZSPS” and Shuaiba ‘W” cut in and diverted to Umm Al Hayman – “W” which is connected by 300 kV UG cable. Umm Al Hayman – “W” substation shall provide power to the Plant and other consumers in the area and it will be operated by MEW after completion.

Electrical Special Facilities in the inside of this Stage 1 Plant area. The total area of ESF is 5,000 m2. Access to the Electrical Special Facilities site is via asphalt road which is part of the road design of the plant. The Electrical Special Facilities road is connected to the main plant access road. The internal access road (inside of the boundary but outside of the fence) will be connected to the public road as part of the project.

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Wastewater Transmission System \ Design Build Operate

The DBO Works of Umm Al Hayman Wastewater Project include development, insurance, design, engineering, procurement, supplying, manufacturing, factory testing, transportation to the site, construction, erection, installation, permitting, completion, testing, commissioning, and carry out other work necessary to construct the Transmission and Distribution System (“TADS”) (including the Egailah Substation and Pumping Station) and the Existing Facilities ROD Works in accordance with the TST PPP Agreement and particularly these Technical Specifications and as applicable for the TADS in accordance with the DBO EPC Contract. The DBO works is divided into 15 Main Assets classified into 4 Wastewater Transmission (“WWTS”) Assets, 6 Treated Sewage Effluent Transmission System (“TSETS”) Assets, and 5 Treated Sewage Effluent Distribution Network (“TSEDN”) Assets.

Egailah Waste Water Pumping Station, Egailah Additional & OGAL F pumping station

  • Egailah Waste Water Pumping Station (WWPS) was commissioned in the year 2011 and delivers wastewater with a current hydraulic capacity of up to 2.8 m3/s to the existing Riqqa WWTP.
  • The hydraulic capacity of Egailah WWPS shall be increased from 2.8 m3/s to 8.3 m3/s.
  • All upgrade measures shall be implemented without any interruption of the operation of the Egailah WWPS.
  • New substation (132/11 kV) to deliver sufficient power for the upgraded Egailah WWPS.
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Main WWPS Egailah Basement Roof
Number of pumps 10 (8+2) 10 (8+2)
Installation Dry installed Dry installed
Hydraulic capacity [m3/s] 0.85 (per pump) 1.0375 (per pump)
Delivery head [m] 74.6 60.6
Rating [kW] 1,000 1,000
Type submersible submersible
Additional WWPS Egailah
Number of pumps 6 (4+2)
Installation Dry installed
Hydraulic capacity [m3/s] 0.375 (per pump)
Delivery head [m] 41.60
Rating [kW] 210
Type submersible

Sabah Al Ahmed Pumping Station

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A new Sabah Al Ahmed WWPS ( SAA WWPS ) to be constructed in the south west of the Project area. The hydraulic capacity of SAA WWPS shall be 2.18 m3/s and the wastewater are to be transferred to the UAH WWTP ( Stage 1 ) through a new wastewater transmission system.

The wastewater transmission mains from SAA WWPS to the UAH WWTP ( Stage 1 ) include ( 2 x DN 1100 ) and the TSE transmission main to the existing Sabah Al Ahmed reservoir ( 1 x DN 1100 ) are to be constructed in a common corridor.

New WWPS Sabah Al Ahmed
Number of Pumps 6(4+2)
Installation dry installed
Hydraulic Capacity [m3/s] 0.545 (per pump)
Delivery head [m] 30.7
Rating [kw] 250
Type submersible
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DBO - Piping Network

  • The Treated Sewage Effluent (TSE) and Waste Water pipes network covers an overall length of more than 450 km including 21 km of microtunelling Network. The pipes are laid underground to have a safe and quick flow for the waste water to be treated.
  • TSE transmission System and Distribution Network start with TSE pump station that feeds 5 transmission mains. One (1) transmission main DN 600 to zone 4 with a maximum hourly TSE flow of 1,700 m3/h; Two (2) transmission mains DN 1,400 to strategic reservoir R-500, R-600 and R-700) in zones 5,6 and 7 with a maximum hourly TSE flow of 17,850 m3/h; One (1) transmission main DN 1,100 to Sabah Al Ahmed with a maximum hourly TSE flow of 4,100 m3/h; and one transmission main with a diameter decreasing from DN 1000 to DN 600 throughout its course to zone 1, zone 2 and zone 8 with a maximum hourly TSE flow of 4,750 m3/hour.
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Transmission to Zone 4 Zones 5,6,7 (Riqqa) Zones 1,2,3 Zone Sabah Al Ahmed
Number of pumps 3 (2+1) 5 (4+1) 4 (3+1) 3 (2+1)
Hydraulic capacity [m3/h] 850 4,464 1,584 2,052
Delivery head [m] 56.6 160.5 80.0 117.8
Rating [kW] 200 2,454 560 831
Type Horizontal split case

DATA Monitoring Center (DMC)

The TSE Transmission System and Distribution Network are monitored and controlled from the Data Management Center (DMC). DMC is located at existing Riqqa WWTP with new TSE reservoir R700. The DMC has Office space for approximately 200 MPW employees and two fully furnished laboratories that are equipped for the use of the Project Company and the Buyer to carry out the TSE analysis signals. The signals will be transferred via new optical cable. Connected stations are: WWPS Egailah, WWPS Sabah Al Ahmed, WWTP Umm Al Hayman, TSE Reservoirs, TSE Secondary Reservoirs and Pipe chambers.

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Reservoirs

The transmission mains are connected to a network of 7 strategic and 32 secondary reservoirs the largest reservoir is R700 with volume equal 160,000 m3. The remaining is 6 identical strategic reservoirs located in zone 1, 2, 4, 5, 6 and 8 with volume equal 40,000 m3 each. The strategic reservoirs feed a total of and 32 Secondary Reservoirs 27 with a volume 2,000 m3 and 5 with volume 3,000 m3.

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