Wenchi– Dendi Ecotourism Road Network Lot-1 Ambo, Ethiopia Best Project Submitted by: China Communications Construction Co. Ltd. Owner: Wenchi – Dendi Eco-Tourism Project Office (WDPO) Lead Design Firm: CCCC First Highway Consultants Co. Ltd. Design-Build Contractor: China Communications Construction Co. Ltd. Professionals: ECO and G & & Y Engineering Consult Plc Joint Venture Subcontractor: Frieda Business PLC
Considered that the objective of this ecotourism task linking 2 lakes was to develop a network of roadways, 31.4 km in overall, to permit visitors access to a remote, mountainous location, ease of access was an obstacle. Additional attention was paid to motorist security– consisting of training targeted to driving on unequal, sloped surface and routine assessment of braking systems for lorries and building devices.
In addition to the roadway network, the task group constructed 4 landscaped picnic locations set around Wenchi Crater Lake– formed by a volcanic crater– and a marathon running track, a nod to Ethiopia's competitive marathon running custom.
Picture credit: Tian Zhenjia
A low supply of appropriate regional building products, with just ashes readily available for fill, caused forecast group development. The ash was integrated with sub base product gave the website to produce a topping layer. To satisfy spec requirements, “the job utilized a three-stage squashing procedure in stone rolling production and utilized various screen fits together in the vibrating screen phase to change the particle size circulation,” according to the group. Ashes was included throughout the base compaction phase to keep a particular passing rate percentage.
Image credit: Tian Zhenjia
The absence of fill product likewise led the group, in the style stage, to select excavation for many areas, with professionals carrying out drain systems and slope plantings to secure versus slope collapse and disintegration. More than 44 hectares of plant was planted throughout all excavation and fill locations.
4 seeing locations that consist of dining and other facilities permit visitors to take in the extensive setting of the lake.
Image credit: Tian Zhenjia
With a structure excavation depth of more than 6 m for culvert building and construction, the group utilized a “in-depth technical security method” and performed emergency situation drills associated with deep structure pit building.
Amidst extra difficulties– consisting of security problems, a long rainy season and supply expense pressures– the task handled to finish on time and on spending plan.