Project Title : Uma Oya Multipurpose Development Project  Dyraaba  Dam  (Roller Compacted Concrete)

Dyraaba Dam

Height of dam from foundation: 46 m    

Length of crest: 165 m

Crest width: 6 m

Width of dam in foundation: 40 m

Length of spillway: 43.5 m

Length of culvert: 56 m

Puhulpola Dam

Height of dam from foundation: 30 m

Length of crest: 174 m

Crest width: 6 m

Width of dam in foundation: 31 m

Length of spillway: 60 m

Length of culvert: 46 m

Dyraaba & Puhulpola Dams

Excavation: 120,000 m3

Formworks: 28,000 m2

Steel works: 2,400 Ton

CVC concrete: 72,000 m3

RCC concrete: 48,500 m3

Employer

Farab Co.

Engineer

Mahab Ghodss - Pöyry Joint Venture

Updated Contract Price

35,500,000 USD

The Uma Oya Multipurpose Development Project is located at the south eastern slope of the central highland of Sri Lanka. This project consists of 2 RCC dams with 35 & 50 heights with spillway and intake and lateral equipment.