2 semi-detached houses in Marl Lerchenstraße

Building project
At Lerchenstrasse 21/22 in Marl, 2 two-storey detached houses are being built with non
converted loft. The buildings are of solid construction with a partition wall to the neighboring
bar buildings. The houses are built in accordance with the standards applicable in NRW at the time of application.
building regulations valid at the time of the building permit, the requirements of the
DIN standards introduced in the state building regulations, the Energy Saving Ordinance GEG and
in the area of sound insulation in accordance with DIN.

Construction and appearance

Foundation
The buildings are erected on a statically calculated reinforced concrete floor slab.

Residential floors
The load-bearing exterior, building partition and interior walls of the residential floors consist of
solid masonry. The non-load-bearing interior walls of the residential storeys are constructed as stud frame walls, double planked on both sides with plasterboard. The storey ceilings above
The ground and upper floors are made of reinforced concrete as so-called solid concrete ceilings.
are provided. All dimensions of walls and ceilings are based on static calculations. In the bathroom, WC and kitchen, the cladding is removed where necessary.
of pipes and shafts in plasterboard, also as a plinth or shelf.

Roof
The buildings have a pitched roof with a dormer. The roof pitches consist of a
Wooden construction. The roof is covered with concrete roof tiles. The space between the roof tiles and the underlay is ventilated using counter battens in accordance with the guidelines of the roofing trade. The roof is drained via gutters and external downpipes made of natural zinc sheeting.

Note:
At joints between plasterboard cladding and plastered walls/ceilings (especially
in the roof) can lead to cracks due to the different material properties.
Facades and windows
The required thermal insulation is achieved with a thermal insulation composite system. The façade plaster will be white. The windows of the building and the patio doors are made of
PVC-U, color: anthracite. At least one window sash in each room (except for the storage room and corridors) is fitted with a turn/tilt fitting. The locking and fittings of the windows and doors on the ground floor are burglar-resistant with mushroom heads and striking plates.
executed. The windows in the living areas are designed in accordance with sound and thermal insulation certificates. The roof windows (attic), made by Velux or equivalent, are installed on the living room side.
white plastic coated.

Roller shutters
The patio doors and all windows with the exception of the skylights will be fitted with roller shutters made of plastic profiles with electric drives.
Front door
The entrance door consists of an aluminum construction. The frame element is color-matched to the windows. The door is fitted with a security lock with multi-point locking,
profile cylinder, a stainless steel push handle on the outside and a plastic lever handle on the inside. A doorbell system and a recessed ceiling light with motion detector are installed in the entrance area,
a house number and a letterbox installed.

Glazing
All windows, French doors and the front door are fitted with insulating glazing in accordance with the
Thermal insulation certificate.

Thermal insulation and soundproofing measures
All thermal insulation measures carried out on the building are carried out in accordance with the thermal insulation certificate prepared for the building.

Noise protection measures are implemented as required.

Interior extension

Stairs
The stairs are a steel construction with solid beech treads and a wooden handrail on one side, also in beech.

Ceiling and wall treatment
All interior masonry wall surfaces on the ground floor, second floor and stairwell area are filled to quality level Q 3 with a painter's fleece (painted white).
Wall tiles are installed in the bathroom and WC according to a sample template, format
approx. 30/60 cm color white. In the bathroom, the pre-wall area is tiled approx. 1.20 m high.
The tiling in the area around the bath is approx. 0.90 m high, and floor-to-ceiling in the shower area. In the WC, the front wall behind the wash hand basin is tiled to a height of approx. 1.20 m and the front wall is tiled to room height.
wall area of the toilet at a height of approx. 1.50 m.

Floors
All living and ancillary rooms on the ground floor, first floor and top floor will have a floating screed. The upper floors of the bathroom and WC will be covered with ceramic tiles
Format approx. 30/60 cm Color anthracite.

Interior doors
The room doors on the residential floors in wooden frames have a white coated surface. The doors are closed using a light metal lever handle set.

Window sills
The exterior window sills are covered with stove-enameled aluminum profiles.
The color tone is matched to the exterior window color. The base (external window sill) of the
Patio door is covered with an aluminum checker plate. The low-barrier patio door is
with a channel in front.
Masonry interior parapets are fitted with window sills made of artificial stone (Micro carrara), color:
white.
In the sanitary rooms, the parapet is tiled or fitted with an interior window sill.

Painting work
The steel structures of the stairs are painted white.
All walls and ceilings on the residential floors are painted white.

Building services

Electrical installation
The houses have an electricity connection with their own meter. The installation is carried out
in accordance with the requirements of the relevant regulations.
The house connections as well as the electrical sub-distribution are installed in the HWR in the building services area. Automatic circuit breakers secure the individual circuits.
In the individual residential floors, the pipes are laid as flush-mounted installations.
Square rocker switches and socket outlets pure white, glossy Gira or equivalent.

Hallway, ground floor
◼ 1 ceiling focal point in changeover circuit
◼ 1 socket outlet
◼ 1 wall thermostat controller for underfloor heating
Stairwell ground floor - DG - loft
◼ 1 wall-mounted focal point in changeover circuit for ground floor
◼ 1 wall-mounted focal point in changeover circuit for ground floor - attic
◼ 1 wall-mounted focal point in changeover circuit for attic - loft
Living
◼ 2 ceiling focal points in switch-off mode
◼ 6 sockets
◼ 1 TV and radio socket outlet
◼ 1 telephone socket
◼ 1 wall thermostat controller for underfloor heating
WC
◼ 1 wall and ceiling focal point each in switch-off mode
◼ 1 socket outlet
◼ 1 wall thermostat controller for underfloor heating
Kitchen
◼ 7 sockets (refrigerator, dishwasher, etc.)
◼ 1 connection for electric stove
◼ 1 ceiling focal point in switch-off mode
◼ 1 connection for extractor hood
◼ 1 wall thermostat controller for underfloor heating
Terrace
◼ 1 wall focal point in switch-off mode
◼ 1 socket outlet with hinged cover (control switch in the living area)
Entrance area
◼ 1 ceiling light with motion detector
◼ 1 socket outlet with hinged cover (control switch in ground floor hallway)
Sleeping
◼ 1 ceiling focal point in switch-off mode
◼ 4 power sockets
◼ 1 TV and radio socket outlet
◼ 1 telephone socket
◼ 1 wall thermostat controller for underfloor heating
Child I
◼ 1 ceiling focal point in switch-off mode
◼ 3 sockets
◼ 1 TV and radio socket outlet
◼ 1 telephone socket
◼ 1 wall thermostat controller for underfloor heating
Hallway in the DG
◼ 1 ceiling focal point in changeover circuit
◼ 1 socket outlet
Bathroom
◼ 1 wall and ceiling focal point each in switch-off mode
◼ 2 sockets, arranged in the area of the washbasin
◼ 1 wall thermostat controller for underfloor heating
◼ 1 socket located in the area of the bathroom radiator for operating the electric heating cartridge
HWR
◼ 1 ceiling focal point in switch-off mode
◼ 4 power sockets
◼ 1 cold water and hot water connection
Child II
◼ 1 ceiling focal point in switch-off mode
◼ 3 sockets
◼ 1 TV and radio socket outlet
◼ 1 telephone socket
◼ 1 wall thermostat controller for underfloor heating

Note:
Double sockets count as two sockets, tumble dryers are not allowed due to the structural design.
and technical framework conditions only possible as a condensation dryer.

Cable connection
If possible, a fiber optic cable is also laid in the building. The fiber optic transfer point (APL) would be mounted on a wall near the house entry if the cable is laid.

Sanitary installation
The building is supplied with electricity via a connection to the public supply network of RWW.
supplied with water.
Cold and hot water connections are located in the bathroom, WC and kitchen, whereby the riser pipes are laid in stainless steel or multi-layer composite pipe and the floor pipes (building pipes) in plastic composite pipe (alternatively stainless steel).
The individual tapping points and objects are installed as follows:

Bathroom - DG
◼ 1 fitted steel enamel bath approx. 1.80 m x 0.80 m or equivalent.
◼ 1 porcelain washbasin, approx. 0.60 x 0.43 m as per sample.
◼ 1 level-access shower tiled with drainage channel.
◼ Washbasin and shower mixer are installed according to the sample template.
◼ 1 wall-hung washdown toilet (as per sample) plus a plastic seat with soft-close mechanism.
WC - GROUND FLOOR
◼ 1 porcelain wash hand basin, approx. 0.45 x 0.27 with single-hole mixer tap as below
"Bathroom" described
◼ 1 wall-hung washdown toilet, as described under "Bathroom"
◼ All furnishings are installed in glossy white.
Kitchen
◼ 1 cold / hot water connection
◼ 1 waste water connection

Note:
The installation of the waste water connection and the water supply lines for the kitchen is carried out on
plaster. This is not covered as it lies behind the kitchen fittings.

As the kitchen sink should match the subsequent kitchen furnishings, the delivery and
Installation of a sink not included in the construction work.

Terrace
◼ 1 frost-protected outdoor tap for direct cold water withdrawal
Front garden
◼ 1 frost-protected outdoor tap (lockable) for direct cold water withdrawal

PV and heating system / hot water supply
Each house will have its own PV system and air-water heat pump. All living spaces
and bathrooms are heated with underfloor heating.
The underfloor heating is controlled depending on the outside temperature
with automatic lowering or day and night programs.
DIN EN 12831 in its currently valid version is used as the basis for calculating the required heat demand.

Garage
The garage is a prefabricated unit measuring approx. 6.00 x 3.00 m. The dimensioning
The foundations are laid according to static calculations.
A garage measuring approx. 9.00 x 3.00 m can be supplied as a special request (in accordance with the building permit) for an additional charge.
Each garage will have an electrical connection inside, i.e. a socket and a ceiling socket, and cables will also be laid in preparation for the connection of an electric charging station for cars.

Outdoor facilities
The house entrances, footpaths and driveways will be covered with gray concrete paving.
Each house will have a terrace of approx. 18 m² in gray concrete paving.
All undeveloped and unpaved areas are given a topsoil application, which is roughly leveled.
The enclosure of the properties in the rear garden area is provided by an approx. 1.00 m
high, anthracite-colored picket fence.
A privacy partition (approx. 3.60 m x 1.80 m) is installed between the terraces.
The plots have garden access, which is provided via the rear door in the garages.
A splash guard strip will be installed on the façade of the buildings in the area of the vegetation.
made from limestone gravel.

Garbage can storage space
For each house, an area of approx. 1.80 x 0.80 m in the entrance area is reserved for waste garbage cans.
paved. The stand will be covered on three sides with an approx. 1.20 m high, anthracite-colored
Picket fence, incl. privacy screen insert in anthracite, enclosed.
The waste garbage cans are not included in the scope of services.

Location of air-to-water heat pump
A stand for the outdoor unit of the air-to-water heat pump is installed in the front garden of each house.
intended.
Note:
For settling and subsidence of the paving in the area of the backfilled working areas, lei
trenches and other soil fillings cannot be guaranteed.
become.