Tripoli Wastewater Treatment Plant

Ministry of Energy and Water

European Investment Bank (EIB) for process Lebanese Government for civil works

Council for Development & Reconstruction (CDR)

Contractor for civil & MEP works and installation of process equipment Contractor for process: Degrémont, subsidiary of “Groupe Suez”, France

Scope of Work

EPC for civil works and electro- mechanical installation as well as erection of all equipment.

Population equivalent: 1,000,000 PE
Total daily design flow: 135,000 m3/d
Design peak flow: 9,263 m3/h
3 phases of treatment: Pre-treatment, biological treatment and UV sterilization
120,000 m2 of plant area, out of which 40,000 m2 is reclaimed land
4,500 m of assorted pipework, DN 300 to DN 1,800
A total of 30 structures for process and facilities including construction of reinforced concrete aeration tank with a capacity of 41,368 m3, 6 clarifiers with the capacity of7,827 m3 each
2,500 drawings and technical documents
14,500 m2 of roads and 55,000 m2 of landscaping and green areas
734 m sea breakwater
Treatment of the heterogeneous soil (compressible layer of clay from 3 to 30 m thick):
- 10,000 pre-drilling of 8 to 20 m deep holes (wick drains)
- 3,000 dynamic compaction points using a 15-ton load dropped by a 40 m crane
- 1,000,000 m3 of earth works and general fill
40,000 m3 of concrete works

Design and construction of non- process electrical works for all structures & buildings: low voltage equipment, complete plant lighting, lightning protection, earthing protection, telephone system,and fire alarm system
12 transformers (1,600 kVA, 2,000 kVA, 3,150 kVA)