Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 3: Plant Description  1 of 74  Ref. Ares(2021)2862184 - 29/04/2021 VOLUME 3  EMPLOYER’S REQUIREMENTS  Section 3:  Plant Description  TABLE OF CONTENTS  3_Vol3_d4.3_Section 3_Plant Description_GIR_rev08  3$_{ }$ Plant Description ................................................................................................... 5$_{ }$ 3.1 Layout Considerations ..................................................................................................... 5 3.2 Process Requirements ...................................................................................................... 7 3.2.1 General............................................................................................................................. 7 3.2.2 Description of required treatment processes .................................................................... 8 3.2.3 Flow measurements ......................................................................................................... 9 3.2.4 Sampling .......................................................................................................................... 9 3.2.5 Laboratory and analytical equipment............................................................................... 10 3.3 Plant Requirements .......................................................................................................... 12 3.3.1 General............................................................................................................................. 12 3.3.2 Utilities and main access road.......................................................................................... 13 3.3.3 Main wastewater collector ............................................................................................... 13 3.3.4 Wastewater Treatment Plant Units .................................................................................. 14 3.3.4.1 Inlet Structure and Stone Trap ......................................................................................... 14 3.3.4.2 Coarse Screens ................................................................................................................. 14 3.3.4.3 Inlet Pumping Station ...................................................................................................... 15 3.3.4.4 Fine Screens ..................................................................................................................... 16 3.3.4.5 Grit and Grease Removal Tanks ...................................................................................... 17 3.3.4.6 Distribution Chamber for Primary Clarifiers ................................................................... 19