Germany - Office building construction

Description

General contractor services (GU) for the construction of a new service and administration building incl. outdoor facilities for the Stadtwerke Radolfzell.The building is to be realized as a 5-story service and administration building in concrete-wood hybrid construction with a total GFA of approx. 3,500 m² in Radolfzell on Lake Constance.
The services to be awarded are to be provided by a general contractor as a complete turnkey general contractor service including outdoor facilities. In cooperation with a general planner, Stadtwerke Radolfzell has already prepared a general planning up to and including service phase 5 (accompanying construction) in accordance with HOAI, on the basis of which the execution must take place. The services for civil engineering and foundation work have already been completed as early work. LOCAL CONDITIONS- Height above sea level: approx. 398.50 m- Snow load zone: 1- Wind load zone: 2- Earthquake zone: 2- Building class (LBO §§ 2, 38): Gkl 5, special construction ESSENTIAL CONSTRUCTION PARTS OF THE PERFORMANCE DESCRIPTION- Manufacture of the overall performance in accordance with the available planning, performance description and sampling folder- Surfaces in exposed concrete quality and exposed wood quality Shell construction/ Timber construction/ Scaffolding:- Floor slab reinforced concrete, d=60 cm, approx. 1.100 m2- Precast reinforced concrete walls as thermal walls (d= 40 cm)/ double walls (d= 22 cm), approx. 1,250 m2- Reinforced concrete exterior and interior walls, d= 18-25 cm, approx. 2,200 m2- Reinforced concrete ceilings, d= 28-30 cm, approx. 2,000 m2- Precast reinforced concrete columns and beams- Precast reinforced concrete stairs- Exterior walls as prefabricated wood walls (cross laminated timber walls), d= 18 cm, approx. 750 m2- Interior walls as precast wood walls (cross laminated timber walls), d= 10 cm, approx. 350 m2- Cross laminated timber floor slabs, d= 28 cm, approx. 1,000 m2- Cross laminated timber roof slab, d= 30 cm, approx. 450 m2- Coniferous wood cladding of the exterior walls as back-ventilated facing shell, approx. 1.600 m2- Drainage lines, house entries- Earthing and lightning protection- Inlay work- Facade scaffolding - free-standing - approx. 15 scaffolding layers, approx. 3,700 m2- Interior scaffolding, approx. 250 m3- Scaffolding stairs, scaffolding elevator Windows/ Facades:- Exterior windows wood-aluminum 1.20x2.60 m approx. 185 pieces, opening wings with glass parapet- Entrance facade and vestibule, approx. 25 m2- Glazing band windows inner courtyard wood-aluminum approx. 325 m2- Window sills approx. 300 m- Exterior doors as revolving doors aluminum approx. 3 pcs.- Exterior doors as sliding doors wood-aluminum approx. 3 pcs.- Lifting-sliding doors wood-aluminum approx. 6 pcs.- Fall protection glass balustrades as clamped panes approx. 65 m- Sun protection vertical awnings approx. 750 m2 Roof sealing:- Sealing base plate against soil approx. 1.300 m2- Bituminous roof sealing roofs, balconies, loggias approx. 1.500 m2- Roof greening approx. 400 m2- steel construction for technical equipment on roof- installation of smoke and heat exhaust domes approx. 1,40x1,40 m, approx. 5 pcs.- attic covers approx. 250 lfm screed/ floor covering:- screed approx. 3.000 m2- floor coating epoxy resin approx. 2.500 m2- floor covering parquet approx. 300 m2- floor covering tiles approx. 200 m2 finishing/ partition walls/ suspended ceilings:- light partition walls/ facing gypsum fiberboards approx. 1,000 m2- glass partition walls approx. 400 m2- suspended ceilings wood approx. 1,050 m2- suspended ceilings GK (various designs) approx. 1,200 m2- mobile partition wall approx. 35 m2- tea kitchens 5 pcs. ESSENTIAL BUILDING PARAMETERS:- approx. 41.00 x 36.00 m building dimensions (main and auxiliary buildings)- approx. 18.35/ 8.00 m building height main building / auxiliary buildings- approx. 1.050,00 m2 NGF EG- ca. 900,00 m2 NGF 1. OG- ca. 500,00 m2 NGF 2. OG- ca. 500,00 m2 NGF 3. OG- ca. 500,00 m2 NGF 4. OG- + 0,00 = 398,50 m ü.N.N. OK FFB ground floor- + 4,30 m OK FFB 1st floor- + 7,70 m OK FFB 2nd floor- + 11,10 m OK FFB 3rd floor- + 14,514 m OK FFB 4th floor

Opportunity closing date

30 November 2023

Value of contract

to be confirmed