Supply, installation and commissioning of integrated flow meters of natural gas.
Edison DG SpA | Published March 5, 2014 - Deadline March 15, 2014
Supply, installation and commissioning of gas meters of the IIa family: natural gas (group H) measurement principle volumetric, mass, sonic, etc. .. maximum flow rate Qmax = 25 m³ / h (former class G16) and Qmax = 16 m³ / h (former class G10) that provide data to measure the gas under standard thermodynamic conditions of reference or base Vb (tb temperature equal to 288.15 K, the absolute pressure pb equal to 1.01325 bar) characterized by : - Compliance with Directive 2004/22/EC (Measuring Instruments Directive, abbreviated MID), MI-002 - Compliance with standards UNI - TS 11291 "Measurement of gas - gas measuring devices", - Compliance with requirements functional requirements contained in Resolution ARG / gas 631/2013/R/gas 12.27.2013 and subsequent amendments of the Authority for Electricity Gas and Water System - Exposure of only the measured volumes to the thermodynamic conditions of reference or base Vb. The counters will also be equipped with communication protocol CTR, DLMS / COSEM profile with point-to-point PP4. The delivery will also include: a) training activities for planning, installation and enrollment of gas meters at the SAC of the contracting entity or the download center of the supplier, to the staff of the contracting entity to be carried out as follows: No. 3 working days of classroom training, including provision of manuals and teaching materials at an office of the contracting entity, b) training in the installation and commissioning (metering) Counter: This activity should be conducted wholly or partly in the field and in the presence of staff of the contracting entity which stage of 'training' complementary and after the training referred to in paragraph a) above. c) management and meter reading of gas meters through the SAC / download center of the supplier until such time as the communication between the gas meter and SAC / download center becomes continuous and stable d) Addressing the gas meters from the SAC / download center provider to SAC contracting entity.