The Object Of The Contract Is The Execution Of The Works Of The `` Constructive Project Of Renewal Of The Motorcycle -Bomb Teams Of 1St Elevation In The Llobregat Eta '' The Main Actions To Be Carried Out Are The Following: -Substitution Of The Motobomba Andritz And Dina Groups, Four In Total, By Individual Groups Motorcycle Fed At 690V. -Renovation Of The Motorized Butterfly Valves, Delays And Disassembly Carts In The Boost Of The Bombs. -Demolition And Renewal Of Benches. -Construction Of A New Building For The E -Groups. -No Frequency Variety 690V. -Substitution Of The Transformer 25/6 Kv For New Transformer 25/2,69 Kv. -Renovation Of Pipes, Cabling And Equipment. -Installation Of Electronic Groups For The Voltage Of 690 V And 400 V.