3.3.7 A WWTP Kinetic Modelling Software  The Contractor shall provide commercially available wastewater treatment kinetic modelling software  capable of handling at least the processes that will be applied in Giresun Wastewater Treatment Plant. This model shall be provided during design preparation stage and be used to verify the Contractor’s  design by using design criteria given in the Employer’s Requirements.  51 of 74  Construction of Giresun Wastewater Treatment Plant  Tender Dossier Volume 3 Employer’s Requirements  3_Vol3_d4.3_Section 3_Plant Description_GIR_rev08   Effluent flow: o Safety measurements for Methane (CH$_{4}$) and Hydrogen sulphide (H$_{2}$S) with acoustical  and optical alarm at the Tanks building inner area, operation rooms   Digested sludge tank:  o Ultrasonic/capacitive level measurement  Sludge dewatering: o Magnetic Inductive Flow measurement in the centrifuge feeding line o Magnetic Inductive Flow measurement in the polyelectrolyte dosing line   Supernatant (Filtrate) water pumping station:  o Ultrasonic level measurement at the pump sump with supplementary low and high  level switches  Gas system :  o Flow meters with metering orifice for each digester’s gas production measurement  o Flow meters from the positive displacement gas meter (rotary vane) type measurement  of individual gas consumption for all consumers  o Pressure and vacuum gauges to be supplied as necessary at different locations   Gas storage tank and gas flare: o Capacitive level measurement o Flow meters from the rotary vane type for the gas flare  o Pressure and vacuum gauges to be supplied as necessary at different locations   CHP Unit:  o Flow meters with metering orifice for feeding line o Temperature measurement in the machinery room  o Safety measurements for Methane (CH$_{4}$) and Hydrogen sulphide (H$_{2}$S) with acoustical  and optical alarm at the CHP Building.  o Flow measurement  o pH  o Temperature  o Conductivity 