Germany – Landscaping work for roof gardens – PV roof and timber construction work, new building and cafeteria

Opportunity description

The construction measures in the area of the old gymnasium and the new building primarily comprise the demolition of the sports hall dating from the 1970s; the extension of the school with a new building; the comprehensive renovation of the historic gymnasium in compliance with monument protection requirements. The new building will be constructed as a 3-storey solid structure in sand-lime brick masonry and reinforced concrete with light-colored facing bricks. Work from this bill of quantities: The roof-supporting structure above the sports hall will be constructed from timber (glued laminated timber beams and solid-timber secondary beams and purlins), and the low-pitched gable roof will be covered with an integrated PV system. A flat roof with mineral-fiber thermal insulation and a green roof as the top layer is planned above the assembly hall area. Cafeteria: including removal of bitumen, 2-layer, 380m²; roof-supporting structure, 155m. Waterproofing, including: polymer-bitumen welded membrane, top layer, 380m². Connecting building, including: titanium-zinc roofing, double standing seam, 26m². Flat roof, extensive green roof, including: tapered insulation, mineral fiber, 035, d= 40-200mm, 130m². Timber construction including: glued laminated timber, GL24c, 24x105-165cm, transverse-tension reinforcement: 54 bonded threaded rods M12-4.6, 5 pcs; purlins and rafters, 1.335m. Gable roof, including: mineral-wool between-rafter insulation, 032, d=240mm, wood-fiber insulation board, 046, d=40mm, lightweight concrete board, cement-bonded and glass-fiber-reinforced, d=30mm, 780m². In-roof PV system, substructure with PV modules, coordinated complete package, one manufacturer, including: modules, aluminum support rails, width approx. 75mm, 775m; support-rail connectors for joints 500 pcs; WT profiles, extruded aluminum, black anodized, horizontal support with screw channel for modules and for screwing the clamping rails, 1.775m; DC cables and installation systems, solar cable, incl. MC4 plugs and sockets 1.6000m; cable-routing sheet, solar cable 500m. Lightning and surge protection, including: junction box with type 1+2 DC surge protection, 8 strings 1 pc; inverter and accessories, including: 125kW, transformerless grid-feed inverter Procedure: open. Review the original TED notice for the complete requirement, lots, amendments and attachments.