Germany – Construction work – intended call for tenders Drebkauer Straße 69 - 70

Opportunity description

In this context, the comprehensive modernization and repair of the two exist- ing residential buildings at Drebkauer Straße 69 and Drebkauer Straße 70 will be carried out. Structural work / clearing/dismantling/deconstruction / non-load-bearing interior walls, wall linings ? Clearing of the common areas (basement, stairwell, attic, etc.) ? Dismantling of existing built-in fixtures in all residential units, such as suspended storage platforms, built-in cupboards, shelving, etc., as well as removal of existing equipment such as kitchen stoves, heating and hot-water generators (boilers), sanitary equipment, existing furnishings, etc. ? Dismantling of the existing building installations (sanitary, heating and electrical) ? Removal of floor finish layers or coverings and all skirting boards ? Removal of existing wall and ceiling coverings (wallpaper, tiles, paneling) ? Alteration work to improve apartment layouts: partial demolition of interior walls, crea- tion, adjustment and closure of door openings, partial demolition of window parapets for the installation of new balcony French doors ? new interior walls in the apartments as metal stud wall constructions in various wall thicknesses, double-clad with gypsum plasterboards, with core insulation boards, filled; in bathrooms, approved boards for bathroom areas in domestic housing ? Wall-mounted installations, cladding of building services systems and pipe casings in various thicknesses, in coordination with the HVAC building services planner, inspection openings in accordance with plan- ning progress Windows ? Replacement of window units with tilt-and-turn windows, execution in accordance with the design, building-physics and sound-insulation calculations, made of plastic ? new interior window sills ? Exterior window sills in accordance with the design, made of aluminum sheet, RAL powder-coated, or natural stone Building entrance doors ? Aluminum door units with glazed sections in accordance with the building-physics calculation ? Mailbox and communication system (doorbell panel, intercom system and, if applicable, camera eye) as well as illuminated house number Apartment entrance doors ? tightly closing and self-closing single-leaf door units made of wood-based materials with laminate coating, with matching wraparound frames/ lining frames, meeting sound insulation, fire protec- tion and security requirements, equipped with a "peephole", overhead door closer, among other things, in accordance with the design/ sample selec- tion and room book/APL Interior apartment doors ? Single-leaf door units, made of wood-based materials with laminate coating, with matching wraparound frames/ lining frames, in accordance with the design/ sample selection and room book/APL Basement door units ? Replacement of the door units between basement rooms and the stairwell with fire doors, self-closing, smoke-tight, equipment in accordance with fire-protection requirements ? Construction of storage rooms for tenants of the new building ? Tenant basement doors as steel mesh or wooden-slat doors Wall and floor coverings, wall/ceiling coatings ? Surface quality and colored coating of walls and ceilings in accordance with the design/ sample selec- tion and room book/APL ? Bathroom/WC: floor tiles and wall tiles in the shower/bathtub area (full room height), in the wet area (washbasin, WC, washing machine, H approx. 1.25m) in accordance with the design/ sample selection and room book/APL ? Linoleum floor coverings or similar in accordance with the design/ sample selection and room book/APL Balconies ? projecting balcony systems (courtyard side) as steel/aluminum column/ precast slab construction with concrete strip foundations, foundation size and profile dimensions in accordance with structural require- ments; all steel/aluminum profiles hot-dip galvanized and RAL powder-coated, in accordance with the design/ sample selection/APL ? raised balcony floor coverings as decking (e.g. synthetic wood decking boards) on resiliently supported load-bearing profiles for an accessible transition between living areas and balconies (height differ- ence max. 2cm, clear door width min. 90cm), channel with grid-like surface in the area of the balcony exit doors (splash protection/drainage) ? Railings made of steel/aluminum profile construction, railing infill made of prefinished plastic or aluminum panels or laminated safety glazing ? Drainage through internal floor drain with drainpipe or box gutter, separate downpipe with infiltration into the grounds or connection to the drainage system KG 400 / STRUCTURE - Technical installations Wastewater and water systems ? Drinking-water supply from the public utility's drinking-water network (LWG) via exist- ing building connections, separate water-meter system in the building connection room ? New installation of drinking-water pipe network (from the building water meter) made of stainless steel up to the residential-unit distributor, instal- lation of building water station consisting of backwash filter and shut-off valves ? Wastewater discharge (separate from precipitation water) via collection pipes behind wall linings or in installation walls to downpipes within sanitary shafts containing all media-carrying lines for the building-services supply and disposal systems; ventilation of the downpipes by means of main vents above the roof; connection of the downpipes to existing/renewed wastewater under- ground pipes in the basement ? Downpipes and collection pipes as well as vent lines made of sound-insulated plastic pipe (dB20), with approved F90 firestops in the floor slabs ? Ventilation above the roof with vent cowls or combined cowl systems for exhaust air and wastewater; vent lines on the top floor with condensation insulation Connections for the sanitary fixtures within the residential units in wall-mounted installations with HT pipe including sound insulation or Silent-PP pipe (multilayer composite pipe); shut-off valves and consumption metering equipment (water meters) for each apartment outlet (concealed installation) ? Bathroom equipment: flat shower and/or bathtub with tub support, with surface-mounted thermostatic mixer with shower set and holder; shower enclosures made of aluminum profiles with plastic glazing; washbasin (60cm) with deck-mounted lever mixer; wall-hung washdown WC with dual-flush actuation ? Kitchen equipment: necessary supply and disposal connections Review the original TED notice for the complete requirement, lots, amendments and attachments.