| 3/20/2018 | 391740000019 | PLASTIC PIPE CONNECTION ELEMENTS (COUPLER-ELBOW-REDUCER)
| 818 | Units | 2500.33 | N/A | WAVIN TR PLASTIK SANAYI ANONIM SIRKETI |
| 3/26/2018 | 391740000019 | PLASTIC PIPE CONNECTION ELEMENTS (HT PE EXPANSION SOCKET-SITECH REDUCER-BEND-BRANCH REDUCED-BRANCH)
| 15770 | Units | 16806.64 | N/A | WAVIN TR PLASTIK SANAYI ANONIM SIRKETI |
| 3/22/2018 | 391740000019 | PLASTIC PIPE CONNECTION ELEMENTS (COUPLER-ELBOW-REDUCER)
| 411 | Units | 1962.9 | N/A | WAVIN TR PLASTIK SANAYI ANONIM SIRKETI |
| 3/27/2018 | 391740000019 | PLASTIC PIPE CONNECTION ELEMENTS (SITECH BEND-BRANCH REDUCED-REDUCER-BRANCH)
| 17190 | Units | 17519.78 | N/A | WAVIN TR PLASTIK SANAYI ANONIM SIRKETI |
| 3/11/2018 | 391740000019 | "PLASTIC PIPE MATERIAL (STUD FLANGE-90 DEGREES PIPE SLEEVE-DIRSEK-TE PIPE SLEEVE-REDUCER, REDUCER, REDUCER-SEALING ELEMENT-ADAPTER-REDUCER, ADAPTER-REDUCER-SHARING-ADHESIVE-ADAPTER"
| 638 | Units | 45834.51 | N/A | EREGLI DEMIR VEÇELIK FAB.T.A.S. |
| 3/8/2018 | 391740000019 | "ELBOW 45 '50 MM, FOR PLUVIA EMERGENCY EXIT ELEMENT 25LT, ELECTROMY 63 MM, ELECTROMY 75 MM, ELECTROMY 110 MM, ECCENTRIC RED. 200 X 125 MM"
| 1780 | Units | 3326.79 | N/A | GEBERIT TESISAT SISTEMLERI TIC.LTD.STI. |