oman wastewater services
TRANSCRIPT
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 1/27
Wastewater Services
in
Sultanate of Oman
Sulaiman Al Qasmi
GM Asset management
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 2/27
Agenda• Oman
• Governance Structure
• Legislation
• Oman Wastewater Services Co. (Haya Water)
• Salalah Sanitary Drainage Services Company
• Sohar Development Office
• Ministry of Regional Municipalities and WaterResources
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 3/27
Sultanate of Oman
Country : Sultanate of Oman
Capital : Muscat
Area : 309,500 sq km
Coastline : 3,165 kmPopulation : 3.00 mn
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 4/27
Vision
2020
Modernization
Environmental
Sustainability
Quality
Of
Life
Education
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 5/27
Governance Structure
• SDA• HayaWater
• SSDS• MRMW
Rest ofOman Salalah
ShoharMuscat
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 6/27
Oman Wastewater Legislations, Codes and Standards
• The applicable legislation for use of TE for
irrigation – Ministerial Decision 145 / 1993: Regulations for wastewater re-use and
discharge. This Decision specifies the required quality of TreatedEffluent to be re-used for various types of irrigation and others. It also
specifies the required sludge standards.
– Royal Decree No. 115/2001: Issuing law on Protection of sources of
potable water from pollution. This Decree specifies the standards for
discharge of non-household liquid waste into sewage system (i.e.industrial discharge).
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 7/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 8/27
Oman Wastewater Legislations, Codes and Standards
• Haya Water Concession Agreement
Parameter Unit TE water,
New
STP*
TE water,
Existing
STP*
Ministerial Decision
145/93 Standard A
BOD5 mg/l 15 15 15
SS mg/l 15 20 15
Total N mg/l 15 40 N.A.
Oil + grease mg/l 5 5 0.500
Total P mg/l 30 30 30
Faecal Coliforms Bacteria per 100
ml
<200 <200 200
Chlorine residual atdistribution point
mg/l 0.3<x<1.0
0.3<x<1.0
N.A.
Sludge solids concentration % >20 >11 >20
Viable Helminth ova per liter <1 <1 <1
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 9/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 10/27
VISION
To enable Muscat to become one of the topcities in the world by building & operating a
world class wastewater system that connects
at least 80% by year 2018
VALUES
“Always work as a team of professional people,treating each other and our customers with care
and respect and conduct business with high
degree of transparency and integrity”
MISSION
Serving society by converting wastewater into
environmental friendly products.
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 11/27
Muscat Wastewater Projects
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 12/27
Raising
Main
Sewage Treatment
System
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 13/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 14/27
Cubic
meter
per day
50,000
75,000
100,000
125,000
150,000
175,000
200,000
Treated Effluent Production from Muscat Governorate
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 15/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 16/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 17/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 18/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 19/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 20/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 21/27
Note: Excluding Asset Depreciation
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 22/27
For Residential Properties:
Asset Usage Fee: USD 5.2 per property
Operation and Maintenance Fee: USD 0.4/m3
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 23/27
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 24/27
Salalah Sanitary Drainage Services Company
• The main purposes of the Company are:
– Establishment of a network assembly and transportation of the
sewage project for the City of Salalah.
–The establishment of any future expansion of this network to coverthe entire city of Salalah.
– The establishment of any future expansions in the treatment plant.
– Ownership, management and operation and maintenance of the
assembly, transport and treatment plant and the current network of
groundwater recharge, and any future expansions.
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 25/27
Salalah Wastewater Schemes
NOTES
MATERIAL
DIMETER/mmLENGTH/kmTYPE
GravityHDPE800 TO 140012,452TRUNK SEWER
Pressure LinesDI100 TO 80022,129FORCE MAIN
Pressure LinesDI300 TO 80022,670RECHARGE MAINGravityUPVC200 TO 450363,103LATERALS
GravityUPVC150 TO 200260,000HOUSE
CONNECTION
• 3 Main Pump Stations
•29 Area Pump Stations
•48 Recharge Wells
•Irrigation Project Details (Under Construction)
• Total Length (47.815 km)
• Diameter/Mm from 150 to 600 Mm.
• Area Pumping Station –(5no)
• Main Pumping Station –(1no)
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 26/27
Ministry of Regional Municipalities and Water Resources
• Operates 50 STPs all over the country except
Muscat, Salalah and Sohar.
•
Conventional Treatment Plants• Total Capacity – 53,000 m3/day
• Actual Treatment – 29,000 m3/day
• Water use for Agriculture – 6400 m3/day
7/26/2019 Oman Wastewater Services
http://slidepdf.com/reader/full/oman-wastewater-services 27/27