The Purpose Of The Present Contract Is The Execution Of The Units Of Construction Contained In The `` Projectexecutiu For The Replacement Of The System Of Generation And Accumulation Of Sanitary Hot Water From The Municipal Pavilion To The Cem De La Roca Del Vallès '', As Well As The Works Concluded In The `` Executive Project Of Reform Of The Installation Of Air Conditioning For The Cultural Ones La Roca And La Torreta ''