Setting out and creating the required string framework: for this, all boundary points of the property must be clearly visible. A height reference point will be provided by the client.
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Construction site setup: setting up, maintaining (for the duration of the construction period required by us) and clearing the construction site. Transporting all necessary machines and equipment to and from the site, including tower crane, construction fence, and chemical toilet.
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Provision and maintenance of construction power and water connections for the duration of the construction period required by us, including consumption costs for our contractual work.
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2. Earthworks
Topsoil removal as far as required for the contract object, with lateral storage on the construction site.
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Excavation of the foundation pit for houses with cellar
(soil class 3-5): complete excavation to the underside of the floor slab up to a depth of 2.50 m with a slope angle of at least 60 degrees and lateral storage of the excavation material on the construction site.
Working areas around the house will be backfilled with the excavation material up to the height of the existing terrain and compacted in layers after completion of the construction work.
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Removal of excess material including disposal fees.
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If the existing excavation material is unsuitable for backfilling the foundation pit, suitable material will be delivered and used.
optional
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Specification of services
for shell construction work single-family house/semi-detached house - page 2 03/2017
Rigam COMPARISON
3.1. Foundation (for houses without cellar)
A prerequisite for a secure foundation is a load-bearing, frost-resistant subsoil with an allowable soil pressure of at least 200 KN/sqm. If not present, it must be created at an additional cost.
Client
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On this, according to static calculation, we construct a fiber concrete foundation slab, concrete according to EN 206 (25 cm thick) made of watertight concrete with foundation earthing strip according to local regulations and VDE guideline.
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Surrounding fiber concrete frost skirt b/h=20/80 cm
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Thermal insulation on frost skirt made of Styrodur, thickness = 100 mm
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Thermal insulation under floor slab made of Styrodur, thickness = 100 mm
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3.2 Foundation and cellar shell construction
(houses with cellar)
A prerequisite for a secure foundation is a load-bearing and permeable subsoil with an allowable soil pressure of at least 200 KN/sqm. If not present, it must be created at an additional cost.
Client
?
On this, according to static calculation, we construct a fiber concrete foundation slab, concrete according to EN 206 (25 cm thick) made of watertight concrete with foundation earthing strip according to local regulations and VDE guideline.
Fiber concrete according to EN 206 (watertight) is also used for the cellar exterior walls.
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Watertight execution ("white tank") with crack-limiting reinforcement according to static calculation for all earth-contacting components (in case of groundwater).
optional
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Specification of services
for shell construction work single-family house/semi-detached house - page 3 03/2017
Rigam COMPARISON
Thermal insulation of cellar exterior wall - footing depth
thickness = 120 mm (including studded membrane as backfill protection).
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Cellar interior walls in solid construction (brick).
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Cellar windows made of plastic with insulating glazing and tilt-turn fittings, size approx. 100 cm x 80 cm.
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Light wells (where windows are below ground level) made of concrete including galvanized grating (mesh size 30/10 mm) with lifting safeguards.
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4. Drainage
Wastewater and rainwater pipes run separately to the respective shafts (inspection and soakaway shaft or cistern) and connect up to a distance of 10 m from the house to the property-own inspection or soakaway shaft. Execution in PP pipe systems (e.g., KG 2000 or equivalent).
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Delivery and installation of a soakaway shaft DN 1500, depth 3.0 m, including all necessary earthworks.
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Delivery and installation of inspection shaft or cistern if required (size as needed).
optional
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5.1. Shell of the residential floors
Exterior and interior walls in a secure and durable solid construction (brick or Ytong).
According to current standards, regulations and the recognized rules of construction art regarding thermal insulation, sound insulation and structural stability.
Masonry stone by stone with lightweight masonry mortar LM21 or glued.
Wall thickness: 36.5 cm
Brick: Aubenhamer THERMOPOR SL (T008)
Thermal conductivity 0.08 W/(mK)
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Massive reinforced concrete floor slabs according to static calculation.
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Execution of clear shell room heights according to the plans provided to us.
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Specification of services
for shell construction work single-family house/semi-detached house - page 4 03/2017
Rigam COMPARISON
Steel tension anchors in knee wall masonry for anchoring the reinforced concrete ring beam (in houses with knee wall) or the last reinforced concrete floor slab.
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5.2. Chimney
House chimney: a three-layer, two-flue insulated chimney with ventilation for later connection of a tiled stove.
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6. Stairs
From cellar to upper floor: reinforced concrete stairs as precast concrete elements or cast in-situ according to plan.
Execution not finished on the surface for tiled covering in mortar bed.
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If the attic is not developed, access is provided by a pull-down ladder.
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Railings in the stairwell as masonry railing or parapet.
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7. Client-side services and requirements
The property must be ready for construction and connected to utilities (power, water).
Client
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Measures to secure existing buildings.
Client
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Access road in sufficient width (at least 3.50 meters), free of obstacles and sufficiently load-bearing (at least 15 tons).
Client
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The building must be drivable around for backfilling with large equipment (excavator, wheel loader).
Client
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Provision of parking spaces for construction site setup (crane, container) and material storage.
Client
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Scaffolding work is only carried out to the extent necessary for the offered works (fall protection). Further scaffolding work (e.g., for plastering and painting) as well as extension of maintenance periods will be charged separately.
Client
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Water retention measures for surface or groundwater.
Client