As per ITT & TDS of the Standards tender documents
IPCP/SUNA/DERAI/C/23-24/36.08 (a) Improvement of Putia Dair Canal Under Charnarchar Union, Derai Upazila, Dist: Sunamganj. (Ch.0.00-2700m.) (b) Construction of 15 Nos. Reference Bed Blocks & 10 Nos. TBM on the same Canal.