- Architecture: A.F. Modinos & S.A. Vrahimis & Atelier Xavier Bohl
- Civil / Structural Engineering: A.F. Modinos & S.A. Vrahimis & Artelia France
- E&M: GEMAC Engineering Consultants
- Contractor: J&P – Athena – Cybarco – Marina Lemesou JV
- Client: Limassol Marina LTD
- Budget: €12.5 million
- Stage: Finished
The location of the car park is partly in the sea. Therefore, the location and the required depth of excavation – 9m deep excavation, 5.5m below water level – troubled the designers as to what would be the best solution in order to provide a safe and dry construction site. The solution adopted, was to construct a perimeter secant pile wall. The piles would be reinforced concrete piles drilled down to a maximum depth of 14m as described below.
- Basic Design Requirements
- A high degree of water tightness
- To protect the work force from sudden piping which could lead to fatalities
- To provide adequate dewatering conditions whilst preventing depletion of a nearby river aquifer that would disturb nearby building foundations located within a radius of several metres
- It would act as a retaining wall for the works
- The secant pile wall would be a temporary structure to allow the construction of the car park and was not designed to give permanent support to the backfill or to resist seismic loads
- It was not designed to insure the ultimate water tightness of the finished works
- Basic Design Concept
The basic concept to achieve the required water tightness was to locate the end of the piles in the proper horizon i.e. clayey silt that was encountered at a depth of 12m. The dewatering would allow the control of both the seepage and the gradient of flows finding their path in more gravelly patches.
- Key facts about the Car Park
- Capacity for 746 cars
- Total area of 25.000m2
- 2 underground storeys, ground level and 2 storeys above ground level
- All levels unfold as a continuous spiral with an average ramp slope of 1.5%
- Lowest foundation level is at -5.5m below mean sea level
- South edge of car park is built on reclaimed land
- 400 (A0, A1 size) construction drawings where prepared
- Reinforced concrete structure designed to EC2 / EC8
- Earthquake acceleration Hg=0,25g
- 21.405m3 of C30/37 and C35/45 of microsilica concrete used
- 2.021 tonnes of B500c reinforcement
- Design – Build – Operate – Transfer type of Contract enabled designers and contractor to provide a mutually agreed type of construction in advance.
- Brochure: Download here.
