14 of 49 Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  Section 05: Earth Works, Pipe Works and Ground Improvement  5.2.9.7 Allowance for Settlement 5.2.10 Disposal of Surplus Material The Contractor shall make due allowance for consolidation and settlement of fill and compacted fill  such that the levels and dimensions of the finished surfaces at the end of the contract (defects notifica- tion period) are within the tolerances specified.  Deposits of surplus suitable material and unsuitable materials are in the following referred to as "soil  dumps". Generally, the Contractor shall transport and dispose of all excavated material not required  for the works. The locations proposed by the Contractor for disposing of excavated material whether  temporarily or permanently, shall be subject to the approval of the Engineer. The Employer will assist  in locating a suitable soil dump. The municipality has pointed out a location for deposit of the surplus  soil in a disposal site as specified in the EIA study. The Contractor shall be responsible for negotiating and securing suitable areas for disposal of surplus  excavated materials and shall pay any fees or surplus excavated materials and shall pay any fees or  other payments associated with such disposal. These shall be included in his rates and prices.  In connection with the disposal of excess spoils, the Contractor shall be responsible for the following  during the Contract period:   Upgrading the strength and the quality of the existing access road(s) and maintaining the same  in good order and final reinstatement.   Dewatering of the tipping area(s) by means of porous concrete pipes laid at the bottom of the  valleys or as agreed with the Engineer.   Unloading, spreading, levelling, and placing the soil into embankments etc as necessary, in  order to keep the top in good, safe and manageable order.   Keeping third parties from using the tipping area(s). No claims will be accepted by the Engi- neer for any extra work associated with soil disposed of by others or requests for additional  tipping area should the existing one become saturated due to use by others.   Keeping vehicles clean when leaving the tipping area(s) and to ensure they do not contaminate  public roads.   The cost of the above shall be included in the Contractor’s rates for the excavation works, as  well as the cost of the transport from site to the allocated tipping area(s).  5.3 Pipe works  5.3.1 General  The requirements covered by the present section are applicable for external, buried pipes between  treatment units, to/from pumping stations to/from buildings, wastewater collectors/networks, storm  water collectors/networks and pressured storm water/wastewater pipelines and applies to pipe systems  for:   Wastewater;   Return, excess and floating sludge;   Potable water;  Technical water;   Treated wastewater for re-use;  5_Vol3_d4.3_Section 5 Earth and pipe works_en_GIR_rev6.docx 