 The Contractor shall apply the wastewater treatment process as described in these Employer's Requirements. The specified numbers of process units, equipment and instruments shall be deemed to be the minimum required numbers. 

 Electro-mechanical equipment offered by the Contractor shall be in accordance with the specifications given in Section 7 and Section 8. However, during the implementation stage if any equipment which is offered by the Contractor is not covered by the herewith Employer’s Requirements, the Contractor shall supply the specification for the equipment which shall be subject to the approval of the Engineer. The energy efficiency of electro- mechanical equipment shall be equal or higher than the first offered electro-mechanical equipment. 

 All localities at the treatment plant shall be classified in EX zones in accordance with the local laws, the ATEX Directive and other related directives, norms and standards as per Section 2.10. Hazardous area classification and ex-proof equipment requirement have been defined in the Electrical technical specification Section 8.4. 

## 3.3.2 Utilities and main access road 

The Municipality will arrange for the relevant authorities (or by his own facilities) to provide the following utilities up to the boundaries of the Contractor’s responsibility. The boundaries of the utilities within the responsibility of the Contractor are given below. In case of no boundary is defined for any utility or any other interface the coordinates of the interface will be assumed as at the physical boundary of the treatment plant site (fence). 

 Access road = the Contractors boundary is the main gate of the wastewater treatment plants site. 

 Electrical power = the Contractors boundary is the connection point of transformer. 

 Water supply = the Contractors boundary is at the physical boundary of the wastewater treatment plant site (fence), the exact coordinates shall be defined by the End Recipient. 

 Telecom = the Contractors boundary is at the connection of the telecom line to the main telecom switchboard within the plant. 

 Internet = the Contractors boundary is at the connection of the Internet to the main server within the plant. 

 Natural Gas = the contractors boundary is at boundary of the wastewater treatment plants site. 

 Discharge collector = where the wastewater is discharged directly to the receiving body there is no boundary and the discharge pipeline with all protective covers, manholes and discharge structure are considered within the Contract. 

## 3.3.3 Main wastewater collector 

The wastewater collected from the city will come to the WWTP by a 1000 mm diameter collector to be constructed under the scope of the “Lot 2 Construction of Giresun Wastewater Collection System” 

