Engineering Design Services for Mechanical and Electrical Installations for BuildingsRefurbishment and extension BBS Bingen Negotiation procedure with participation competition according to the VgV for the technical planning technical equipment HLS according to 55 HOAIDescription The district of Mainz Bingen plans to renovate and expand the vocational school BBS Bingen The aim is to remediate the load found in various areas after preliminary examinations The investigations show that the damage in the essential areas can be attributed to the entry of moisture Water ingress occurs on the one hand from the outside through the facades in areas in contact with the ground due to a lack of sealing or due to defects in the water drainage and through destroyed sewage channels ingrowth of roots defective channels etc and on the other hand through condensation of moisture on the inside of the outer walls due to lack of thermal insulation Dew point problem Rodents have entered the facade cavities and destroyed the facade insulation the drainage channels in the facades are capillary connected to the mineral wool insulation as a result of rodent infestation Window drains and window window profile seals are leaking due to the lack of thermal separation of the window profiles there is also condensation These conditions lead to moisture in facades the floor areas as well as radiator back coverings etc When these areas are opened mold infestation is already partially visible here In the course of the renovation fire protection relevant defects in the building construction must also be remedied Retrofitting is imperative which leads to additional costs The damage patterns found show that in contrast to the initial plans the school building cannot be largely renovated to preserve the components but largely has to be completely renovated The architect already commissioned has developed a concept for this with which the one hip building fingers located in the west of the building are dismantled and replaced by a two hip finger as a new building The soil of the components to be renovated must be excavated in large parts for the renovation work also due to the steep slope of the property In the area of the one hip building fingers to be dismantled the sewers located there are considerably damaged and must be extensively renewed The total costs for the renovation and expansion of BBS Bingen amount to approx EUR 18 16 million net cost groups 200 700 according to DIN 276 The costs are preliminary and will be specified in the planning Any changes possibly also cost reductions can also influence the room program The subject of this call for tenders is the technical planning services technical equipment HLS according to Section 55 HOAI LPH 1 9 for system groups 1 2 and 3 including other special services Time limit for receipt of tenders or requests to participate Date 22 06 2020 Local time 12 00 Disclaimer The above text is machine translated For accurate information kindly refer the original document
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