R-Technical Support for Assessment and Watershed Protection-3

Sole Source Justification for TMDL development support for Oregon Waters Award The purpose of this justification is to notify the public of the sole source award to TETRA-TECH, INC for the Water and OITA Branch /Water Tribal Science Division BPA Contract (Award # 68HERC22A0021/68HERW26F0018). Authority Cited: The statutory authority permitting other than full and open competition is 41 U.S.C. 253(c) (2) in accordance with FAR 8.405-6(a)(1)(C) Logical Follow-on. Need & Justification: Under FAR 8.405-6(a)(1)(C) this Call Order has been issued on a sole-source basis because the services being supplied under the new call order are unique and highly specialized. In the interest of efficiency, award of this call order to Tetra Tech Inc. allows work to continue without the need for additional pla