 Plant Layout and Sections   Functional drawings of each individual structure showing the basic dimensions and  electromechanical requirements. The buildings shall not include the architectural details at  this stage, but show the basic requirements.   Preliminary site piping  Preliminary Cable route and cable canal/pipe details  The PDR shall be prepared and submitted in 2 hard copies and one soft copy for the review of the  Engineer within 42 days after the commencement date. Following the revision of the initial  comments given in 21 days by the Engineer, the PDR shall also be submitted to the Contracting  Authority, EUD, and PIU for review. Following the submission, the comments given by the parties  will be forwarded to the Engineer within 14 days. After the revisions are completed within 7 days  by the Contractor, the PDR shall be re-submitted to the Engineer for final approval in 5 hard copies  and soft copies. The Engineer shall provide the delivery of the approved copies to the PIU and the  Contracting Authority.  Following the approval of the PDD, the Contractor shall prepare and submit to the Engineer for  approval the detailed/implementation designs, drawings and calculations of the WWTP in several  packages as necessary to enable construction work commences on site. To start the site works at  once, it is not necessary to wait for the approval of the entire plant’s detailed design. In any case,  the FDR should be finalised and submitted at least six months before the time for completion. Unless FDR of the determined package has been approved by the Engineer, any construction  activities of that part shall not be started and payment application which includes construction  items (excluding design items) shall not be submitted.  The Contractor shall hereafter forward all necessary designs and information for each discipline  (i.e electricity, telephone, natural gas, etc.) to the related authorities like TEDAŞ, TURK  TELEKOM, Municipality, etc. to obtain the permits. 4.12.3 Final Design Report Deliverables  4.12.4 Submission of Reports, Document and Drawings  All the drawings, calculations and other documentation shall be submitted in 2 hard copies and one  soft copy for the review of the Engineer. Upon the Engineer’s approval, the deliverables shall be  submitted in 5 hard copies and soft copies to the Engineer, Contracting Authority, PIU, for review. Approved layout, hydraulic profile, PID together with design report shall be submitted to the EUD.  Final as-built documents will be also submitted to the EUD as well. Engineer shall provide a  document to the OS and Contracting Authority concerning the hand-over of the as-built documents  to the End Recipient.  All the drawings and other documentation shall (except the reports required by public/state  authorities) be prepared in English Language. The metric system shall be used.  One copy of all draft documents and draft drawings shall firstly be submitted to the Engineer, PIU  and the Contracting Authority, for commenting. Then, the Contractor shall be required to prepare  the final copy, incorporating any amendments arising from such comments. The drawings and  other documents shall also be submitted on CD in a form acceptable to the Engineer, PIU, the  4_Vol3_d4.3_Section 4 General Requirements_en_GIR_rev6  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 04: General Requirements for the Execution and Completion of the Works  18 of 40