Site Service For Preparation of Design Shop Drawings

The upper Elehera Canal project, which carries the water from Moragahakanda reservoir to Hurulu wewa and Mahakandarawa Wewa is funded by ADB and the contractor is China State Engineering Construction Corporation.

Along the canal line, a 27km long section is traced trough a forest reservation. In this section, water caries through a tunnel with 27km in length.

Starting and end locations of the tunnel is at Elehera and Mahameegaswewa. (Habarana). The tunnel is form by using two TBMs (Tunnel Boring Machine). One TBM operating from Elehera to Habarana Direction and other one from Habarana to Elehera direction.

For transport the two TBM parts to tunnel portals, two roads have to be improved one at Elehera, one at Palugaswewa, length are 4km and 11.5km including new 20 long PSC beam bridge is designed by ED&PMC.

Apart from that design of tunnel segments, invert segments, gantry crane rails are design by ED&PMC

Client: China State Construction Engineering Corporation Ltd
Commencement date: June 2021
Period: 20 Months