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Kavala Port

Technical Description

Phase I – Improvement of Lee Breakwater Armouring

Rock armouring works for the improvement of the existing Lee Breakwater of Kavala Old Port including:

Minor dredging works and underwater placement of geotextile fabric.

Construction of breakwater’s core with quarry run material:60.000m³.

Placing of primary and secondary protection rock armouring layers with natural rocks 85.000m³ of 0,2÷4 tons,50.000m³ and 4÷6 tons.

Phase II – Nea Karvali, Extension of quay walls, northern section

Dredging works for the Port’s basin and for the foundation of quay wall’s CAISSONS and reclamation works with suitable dredging materials for the formation of the land area.

Dredging works of 360.000m³ for the Port basin and 350.000m³ for the foundation of the CAISSONS.

Reclamation works with suitable dredged materials, 500.000m³. 

 

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Feb042018NOCOMMENTS

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Development of Ayia Napa Marina

Description

Construction Ayia Napa Marina:
Marina Basin Dredging, land reclamation & consolidation
Construction of Breakwater with armouring of rock quarried materials and pre-cast concrete blocks, including tetrapodes of two tons each.
East Outer Shore Protection
Construction of quaywalls/ absorbing walls & concrete crown wall.

Pipe pilling for fixed jetties and platforms, construction & installation of floating dockage system.

Procedure

The main process units of the plant are the following:
– Septic reception unit for the simultaneous reception (emptying) of 30 tankers.
– Preliminary treatment of sewage and septic sewage (screening, degritting, grease removal, septic flocculation)
– Two septic sewage Primary Clarification Tanks (15m diameter each).
– Two Sewage Primary Clarification Tanks (50m x 10m each).
– One aeration basin (21.000m3 volume, with 14 surface aerators of 700 KW ).
– Two Final Sedimentation Tanks (44m diameter each).
– Chlorination unit.
– Two Anaerobic Digesters (7.900m3 volume each).
– One Second – stage Digester (3.500m3 volume).
– Sludge Dewatering plant (four belt-filter presses of 3m width).
– Digester sludge mixing and heating system by use of biogas.
– Electrical power sub-station and distribution system for a total installed power of 2400 KVA and an 830 KVA emergency power generator.
– Automation and Control System.

After successful completion of construction, the plant has been operated and maintained by the “CONSTRUCTION COMPANY CHRISTOPHER D. CONSTANTINIDIS S.A.”

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