K2 SYSTEMS INSTRUCTION MANUAL K2 BASe Mounting systems

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K2 SYSTEMS INSTRUCTION MANUAL K2 BASe Mounting systems | Manualzz

Mounting systems for solar technology

K2 SYSTEMS

INSTRUCTION MANUAL

K2 BASe

GB

TABLe OF CONTeNTS

TABLe OF CONTeNTS

1. PROGRAMMe INTRODUCTION

2. SYSTeM ReQUIReMeNTS

3. INSTALLATION / ReMOVAL

START OF PROGRAMM

4. SeLeCTION OF ROOF TYPeS

5. UPDATeS

5.1. UPDATES WITH PASSWORD

5.2. UPDATES WITHOUT PASSWORD

6. BASIC FeATUReS

7. MAIN FeATUReS SLOPeD ROOF

7.1. INFORMATION

7.2. BUILDING PARAMETERS

7.3. DETERMINATION OF LOAD

7.4. ExPOSED LOcATION

7.5. ROOF cONSTRUcTION

7.5.1. Module installlation

7.5.2. Exclusion areas

7.5.3. Additional function: roof structure

7.6. RESULTS

7.7. PARTS LIST

7.8. ASSEMBLY HELP

8. MAIN FeATUReS FLAT ROOF

8.1. INFORMATION

8.2. BUILDING PARAMETERS

8.3. DETERMINATION OF LOAD

8.4. OPEN SITE

8.5. ROOF cONSTRUcTION

8.5.1. Module assembly

8.5.2. Exclusion areas

8.5.3. Additional function: roof structure

8.5.6. RESULTS

8.7. PARTS LIST

8.8. ASSEMBLY HELP

9. CONTACT

10. TeRMS OF USe

11. CONDITIONS OF USe

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24 - 25

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12 - 13

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13 - 15

16 - 17

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6

4

5

6 - 7

8 - 9

10 - 11

11

4

4

3

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3

26 - 27

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1. PROGRAMMe PReSeNTATION

K2 Base is a calculation and planning programme for the dimensioning of the substructure of photovoltaic systems, specially designed by K2 Systems. With the aid of the static calculation base, flat roofs and sloped roofs can be calculated and structurally determined in a very short period of time. The calculations are based on the national Appendixes of the Eurocode.

Please note that the tool will provide you with verifiable structural calculations in printed form and thus all relevant data must be determined and/or entered.

2. SYSTeM ReQUIReMeNTS

The following requirements must be met for the software to work optimally:

¬ Operating System: Microsoft Windows xP or later

¬ Memory size: Min 1 GB RAM

¬ Disk space available: 100 MB

¬ Graphics: Open GL support

¬ Internet access

3. INSTALLATION

K2 base can be installed via the following link: http:// data.k2-systems.de/Downloads/K2SystemsSetup.

zip. Please contact your administrator if this link is blocked. Save the programme onto your hard drive and then unpack it. You can use, WinZip or WinRAR

(for example) to extract the files. After installation, please follow further instructions. During installation you will be prompted to enter a password which will be made available to you by the K2 system. This password changes quarterly and does not need to be re-entered after initial opening of the programme. By clicking on the key, the password is confirmed.

UNINSTALL

To permanently delete the K2 Base software it must be uninstalled under software in the control panel. For

Windows users the control panel can be found via the

start button in the task bar and then settings.

K2 Base Instruction Manual 3 | 36

4. SeLeCTION OF ROOF TYPeS

Once you have started K2 Base, the window to the left will open. Before you can begin the calculation, you must choose the roof type. By clicking on the icon

pitched or flat roof, you will be directed to the appropriate area.

Via the icon Internet Update you can download updates or new versions of K2 Base (see page 4).

5. UPDATeS

The K2 Base software is continually developed. You will automatically be notified by email when a new

5.1. Variants – with password entry update is available. There are two update versions to ensure that you can always work with the latest version.

You are required to enter a new password every quarter of a year. You will receive this password in time per e-mail with release notes on the latest versions. Please check your version with the latest version (see chapter Basic features). confirm the new password by clicking on the key symbol.

The software will start the update programme automatically. A connection to the Internet is essential.

To update K2 Base, click on „Search for updates“ and then on „Install updates“.

Once the update was successfully installed, the following window is displayed:

Once the update has been completed, K2 Base can be started as always by double-clicking the desktop icon.

K2 Base Instruction Manual 4 | 36

5.2. Variant – without entering a password

If no new password is required, simply click on the

“Internet update” button on the K2 Base start page or on the red K2 logo at the top left directly in the programme. You can then search for updates in the following window. Additionally, you will receive information about the last update on this page. Automatic updates can be requested via the Options menu. The update procedure is the same as described above.

6. BASIC FUNCTIONS

Before using the software it is essential to make sure that projects are calculated with the latest version of K2 Base.

We are not liable for calculations with the older version.

The following basic programme functions are either on the top task bar or can be accessed with one click on the K2 button:

¬ New project: A new project is started

¬ Open project: Open a previously saved project

¬ Save project: Save an existing project

¬ Print preview: This option provides a multi-page overview of project details, verifiable statics, item listing and installation aid, which can also be saved as a PDF document

¬ Print: Print the calculated project

¬ Exit: Exits the programme (alternatively: Exit via x or double click the K2 button)

 

Additionally, the version number can be queried via the questions mark in the upper right corner of your screen. (Example: Version: 1.0.2.35)

The adjacent symbol will take you back to the home screen.

The arrow symbol reverses the last change.

K2 Base Instruction Manual 5 | 36

7. MAIN FUNCTIONS SLOPeD ROOF

The sloped roof function is intended to simplify and serve as a calculation basis for parallel assembled sloped roof systems. It is divided into several main functions, which take you through the programme step by step from the basic information to the assembly aid. The individual steps are selected by clicking on the top bar and are explained in the following.

7.1. Information

All important project and client data is entered via this main function.

Under Edit certain client details and discount rates can be stored; they can be called up via Select.

New clients can be entered by clicking on the new

document, and existing client data can be deleted via delete.

For the default user, the check box in the field below can be ticked.

K2 Base Instruction Manual 6 | 36

In addition, country-specific information is entered in the fields “Language” and “country”. The country entered serves as the basis for calculation, as compliance with the different standards and regulations of each country is necessary.

The following language settings are available:

German, English, French, Italian and Spanish

The countries Belgium, Germany, France, Great Britain,

Italy and Spain can be selected for the country-specific load assumptions with corresponding stored calculation bases (including load maps for snow and wind).

In addition, the country default serves as a calculation base in accordance with the Eurocode for dimensioning and calculations for countries not specified in the system.

However, this does not replace a certifiable static.

Using the project subdivision, roof areas with different roof pitches (e.g. for roof gables) can be marked as sub-projects. Users are able to switch between individual sub-areas throughout the calculation.

Once the calculation has been completed, it is possible to select the print preview including the parts list of a sub-area or the entire project.

“Print all as PDF” and “Select sub-project” s also available in the quick access bar at the top of the screen.

K2 Base Instruction Manual 7 | 36

7.2. Building parameters

In this field, all significant information regarding the roof construction and building dimensions is requested.

First, length, width and height dimensions of the building must be entered. Alternatively, for panel and gable roofs, the gable board length is used instead of the height. The remaining dimensions are determined by the roof pitch which is entered later. The parameters can be selected and changed by direct clicking (e.g. 12.00m) or entered.

Under roof types the appropriate roof shape can be selected from four different roof types.

Thereafter, the roof pitch over the eaves or the eaves and gables for hipped roofs, is entered. The graphics at the bottom of the page are adjusted automatically.

In the next step, the roof covering is chosen.

The adjoining types are available:

K2 Base Instruction Manual 8 | 36

Roof beams are displayed depending on the type of roofing. Enter spacing and number of either rafters or purlins. It is sufficient to provide the value for either one of these entries, because the second value is calculated automatically via the roof parameters.

Additional entries are needed for tiled and slate roofs, with the former requiring batten spacing and the latter shingle dimensions.

As verge rafters often occur in practice, spacing between the first two and the last two rafters can be entered separately. In this case, following the entry, the rafter spacing is to be rechecked for possible averaging.

If a trapezoidal sheet is used, an additional field is displayed where information on corrugation pitch, thickness and material-specific tensile strength of the sheet is to be provided. Both inputs are required. For corrugated eternit, the distance between loops must be entered.

Additionally, in this field, the view can be increased or decreased via the zoom feature. By pressing the right mouse button, the image can also be moved.

K2 Base Instruction Manual 9 | 36

7.3. Load calculation

In the third main function of the sloped roof module the project location, with the associated wind and snow loads is determined.

The values for snow and wind loads can be entered or calculated in three different ways:

1. Direct input:

If the values are known, they can be entered in the fields direct value in kN/m2.

Important: Please note environmental conditions. For snow loads, the Si value (snow load on roof) must be entered.

2. Input via postal code:

When clicking on the postal code, either the postal code or the place name can be entered. The wind and snow loads are automatically detected and entered. However, this option is only available for Germany.

3. Manual input:

By clicking on wind or snow load, the corresponding load zone can be entered manually. The graphics at the bottom of the page serve as a guide.

K2 Base Instruction Manual 10 | 36

7.4. exposed location

For Belgium, France, Italy, Great Britain and Spain, a

terrain category must be selected additionally.

For Italy and Britain the distance to the coast is required for the calculation of the loads.

The wind loads for Belgium and Great Britain are calculated by the wind speeds in m/s.

For Italy, additional information about the environment is required to calculate the snow load.

For Germany, a box can be ticked for extraordinary loads occurring in the lowlands of northern Germany.

The value is calculated automatically based on the load zones entered previously.

When entering a postal code, this box is ticked automatically.

For all three types of input, the ground level is crucial for the load assumptions and this must always be entered manually. An error message will appear if this has not been entered.

This main function is only relevant for projects on hillsides. Should the system be located in a flat or shielded terrain, then one can continue with the next step of roof construction, with the default no exposed

location.

For projects located on a hilltop, the following dimensions must be entered additionally:

Lengths: Lu; Ld

Height: H

Spacing: x

In the case of cliffs, only the values for Lu, H and x need to be entered.

The input parameter can be found in the graphics illustrated below.

K2 Base Instruction Manual 11 | 36

7.5. Roof construction

In the feature Roof construction gathers all important data concerning on-roof module assembly.

7.5.1. Module installations

In the first step, the modules are installed. By clicking on the appropriate icon the adjacent display appears:

The modules can either be selected from a predefined list, or user-defined.

Under edit, modules can be added to the list or deleted.

The module performance is only required to calculate the overall performance. This is not relevant for the dimensioning of the modules on the roof.

The modules can either be moved manually with x rows at Y modules, or an edge distance is defined.

The software will then try to place as many modules as possible onto the roof.

Under module terminal type, various middle and end clamps can be selected from. If these two fields remain blank, standard K2 clamps are used.

Due to the thermal expansion of the profiles the mounting rails and module springs need to be broken up. The max. rail series length and the joint width are preset.

Please note: If the preset lengths are changed or the hook is removed, K2 Systems accepts no liability for the project.

K2 Base Instruction Manual 12 | 36

When the field module layout is confirmed with OK, the modules are displayed as desired on the roof:

Please note that only the front roof area can be used.

Multiple module fields can be laid on a roof. Overlapping module fields are highlighted in yellow. By clicking on the margins, these can be newly defined and the module field is moved. In the case of several module fields, first select the appropriate field by clicking the check box and change the dimensions thereafter. If no module field is selected all fields are moved.

7.5.2. Exclusion areas

7.5.3. Additional function: roof structure

Often, it is not possible to cover the entire roof with modules therefore the programme offers the option of defining exclusion areas. Under mark areas already

in use, the following window opens:

Under type, one can choose between vertically to the roof (roof window) or perpendicular to the floor plan

(e.g. chimney). Thereafter, the size of the exclusion area is set and confirmed with OK.

With the hand icon, the approximate position of the exclusion area can be set.

By clicking on the exclusion area object again, the exact location of the edge distances can be defined with the option shift.

Alternatively, you can choose a single module per mouse click and delete using the delete key. Several modules can be selected by holding down the ctrl key.

Another option for selecting multiple modules is the key mark panels. This way several modules can be selected and deleted with the mouse.

K2 Base Instruction Manual 13 | 36

Under module orientation the two types of installation,

standing and lying, are differentiated. As a rule, for a tiled roof with rafters and for sheet metal roofs, the modules are mounted standing. In the case of purlin roofs, modules are generally mounted horizontally.

Should the other installation type be required, a second rail (cross connection) is required. This can either be connected to the first rail with a cross connector or with the K2 climber.

A grid installation for horizontal mounting can be selected by ticking Add-Ons. The rails are laid in the grid module. The add-on used for this replaces an insertion rail. The rail layout looks like this:

Module assembly is discarded by clicking the recycle

bin.

After changes have been made, the project can be updated by clicking on the arrow icon.

The magnifying glass icon offers the option to zoom all, zoom in or zoom out, as well as the option to magnify a defined area.

Alternatively, one can zoom with the mouse wheel when clicking into the graphics area.

K2 Base Instruction Manual 14 | 36

The display in the graphic areas can be moved with the hand icon, or by holding down the right mouse button

Via the rotation icon, by holding down the left mouse button the building can be turned and be viewed differently from different angles.

With the command orig. rotation the view can be changed back to the original view.

The next main function is activated by clicking on

results.

Should all required data not have been entered, an error message will appear. By clicking on OK, the appropriate main function, in which incomplete data was entered, is opened. After entering the missing data, one can click directly on the results tab.

K2 Base Instruction Manual 15 | 36

7.6. ReSULTS

In this main function, the desired rails and fasteners are selected and their loads are calculated.

First, the a rail must be selected. By checking the boxes, the respective rails are activated. The upper rail position is chosen in cross bracing. All kinds of variations are displayed for the lower rail position.

Additionally, there is the option of a preferred rail length. Here you can choose between all types of rail lengths. Multiple entries are possible. Simply click the appropriate check box. The calculation is updated automatically.

Fasteners are selected by clicking on the appropriate icon. For tile roofs one can choose from various roof hooks, which differ for example in width or height. For corrugated Eternit roofs and trapezoidal sheet metal roofs, hanger bolts in different diameters and heights must be selected. For standing seam roofs, Kalzip and plate fold clamps made from aluminium and stainless steel are available. Only for Slate roofing and trapezoidal sheet metal roofs is no selection possible. Here the default fastener is selected automatically.

On the right side of the display, the fastener spacing on ledges, rafters or purlins in the respective roof areas is specified. Please note that you must consider the respective material compatibility between the metals, etc., and determine the suitability yourself. The

K2 Base does not differentiate e.g. copper or aluminium compatibility.

K2 Base Instruction Manual 16 | 36

7.7. PARTS LIST

In the case of several selected rails and fasteners, the decision on which system to use can be based on load and price. The price is indicated as a system price in the tab information including the discount rate specified.

The calculated load value will be displayed with the highest overall system value. If a single component is changed, everything changes. This could be e.g. a rail, a fastener or a screw connection. The individual values are shown on the right side of the screen. Should the load exceed 100%, the bar turns red, and when below

100% the bar is displayed in green.

The load value of the bottom rail is an exception, and this value is not included in the system load. Due to snow overhang, these components are more heavily loaded. If the load exceeds 100%, this is illustrated with a red x. It is therefore up to the installer whether he uses stronger fasteners for these areas, reduces the rail spacing or installs an additional rail. If all other loads are under 100% the system is still certifiable.

This main function displays a list of used items. Item number, designation, quantity, packaging unit, unit pieces, total quantity, weight, list price, discount rate, unit price, item discount and total price are indicated here.

As a control, it is recommended to check the required quantities for plausibility.

With + / - , articles can be added or deleted by the articel number.

Under quantity, the required quantity can be changed.

Weight and total price are updated in the process. In addition to the pre-determined discount rate, individual item discounts can be granted. There is also the option of project or prepayment discounts.

Several options are available for exporting the parts list:

- generate an Excel file and save

- if an e-mail programme is available, the order can be sent

- Print order directly

We are currently working on an import-export interface in xML structure.

In the case of several projects, the symbol can be used to display the total parts list.

K2 Base Instruction Manual 17 | 36

7.8. ASSeMBLY HeLP

The tab is initially hidden and appears only after clicking on results. The assembly instruction is supplemented by the assembly aid for visualisation of the project. However, K2 Base does not replace any assembly instructions of

K2 Systems. K2 assembly instructions must be used and complied with!

Modules, roof areas, roof constructions, fasteners and rail connectors can be displayed in this field. It is important to note that not all components can be displayed simultaneously.

By clicking on individual tracks or track pairs, the rail lay out is illustrated in the top area of the screen. The entire parts list of tracks is displayed in the print preview.

As described under „roof structure“, the magnifying glass icon lets you zoom all, zoom in, zoom out or magnify an exact area. Alternatively, after clicking the graphics area, you can also zoom with the mouse scroll. With the hand icon, or by right-clicking the mouse, the display is moved into the graphics area.

When finishing the project, it is advisable to check the data on the print preview and to save it as a

PDF file. We also highly recommend saving the project as a *.k2s-file for questions that may arise in the future.

K2 Base Instruction Manual 18 | 36

8. MAIN FeATUReS COMPONeNT FLAT ROOF

The flat roof feature is intended for simplification, as calculation basis and especially for determining of the ballasts for flat roof systems. Two systems are available. These differ in the orientation of the modules which are elevated in either single-sided or doublesided direction. Both systems are also divided into several main functions ranging from basic information to installation help.

8.1. Information

See page 6 under 7.1. Information.

K2 Base Instruction Manual 19 | 36

8.2. Building parameters

In this field, all significant information regarding the roof construction and building dimensions is requested.

First, length, width and height dimensions of the building must be entered. The parameters can be selected and changed by direct clicking (e.g. 12.00m) or entered.

Thereafter, a roof pitch between 0° and a maximum of 5° can be entered. If no angle is entered the default value of 0° applies.

In addition, the parapet height must be entered. The default value is 0.20 m.

In addition, a coefficient of friction must be entered.

The default value is 0.45, which roughly corresponds to the sliding friction of aluminium on concrete.

It is also possible to specify a coefficient of friction.

As a default this is 0.45, which roughly corresponds to a friction of aluminium onto concrete. In comparison, the coefficient of friction between an aluminium rail and a wet building protection mat is 0.65. If a connection has more than one friction (e.g. aluminium rail on building protection mat and building protection mat on foil roof), the lesser value must always be used!

Additionally, in this field, the view can be increased or decreased via the zoom feature. By pressing the right mouse button, the image can also be moved.

K2 Base Instruction Manual 20 | 36

8.3. Determination of load

See page 10 under 7.3 Load calculation.

8.4. Open Site

See page 11 under 7.4 Exposed location.

8.5. Roof construction

In the feature Roof construction gathers all important data concerning on-roof module assembly.

  By clicking on the icon with the points of the compass, the orientation of the building can be adjusted accordingly in 90° increments.

K2 Base Instruction Manual 21 | 36

8.5.1. Module assembly

In the first step, the modules are installed. By clicking on the appropriate icon the adjacent display appears:

The modules can either be selected from a predefined list, or user-defined.

Under edit, modules can be added to the list or deleted.

The module performance is only required to calculate the overall performance. This is not relevant for the dimensioning of the modules on the roof.

The modules can either be moved manually with x rows at Y modules, or an edge distance is defined.

The software will then try to place as many modules as possible onto the roof.

Under module terminal type, various middle and end clamps can be selected from. If these two fields remain blank, standard K2 clamps are used.

Due to the thermal expansion of the profiles the mounting rails and module springs need to be broken up. The max. rail series length and the joint width are preset. The joint width is the distance from one end of one rail to the beginning of the next rail.

Please note: If the preset lengths are changed or the hook is removed, K2 Systems accepts no liability for the project.

In “System type”, the double-sided elevation systems

D-Level or D-Dome can be selected, and for systems where one side is elevated, the S-Level or S-Dome.

When selecting the S-Level/S-Dome, the degree of latitude must be entered additionally for determination of row spacing. With D-Dome/S-Dome systems, it is necessary to enter whether clamping on the short side is approved by the manufacturer. The approval list can be viewed at www.k2-systems.com.

Different systems may not be combined on a roof.

K2 Base Instruction Manual 22 | 36

K2 D-Level (10°)

K2 D-Dome (10°)

K2 S-Level (20°)

K2 S-Dome (10°)

When the field module layout is confirmed with OK, the modules are displayed as desired on the roof:

Multiple module fields can be laid on a roof. Overlapping module fields are highlighted in yellow. By clicking on the margins, these can be newly defined and the module field is moved. In the case of several module fields, first select the appropriate field by clicking the check box and change the dimensions thereafter. If no module field is selected all fields are moved.

K2 Base Instruction Manual 23 | 36

8.5.2. Exclusion areas

8.5.3. Additional function: roof structure

Often, it is not possible to cover the entire roof with modules therefore the programme offers the option of defining exclusion areas. Under mark areas already

in use, the following window opens:

Under type, one can choose between vertically to the roof (roof window) or perpendicular to the floor plan

(e.g. chimney). Thereafter, the size of the exclusion area is set and confirmed with OK.

With the hand icon, the approximate position of the exclusion area can be set.

By clicking on the exclusion area object again, the exact location of the edge distances can be defined with the option shift.

As an alternative to an exclusion area, you can choose a single module per mouse click and delete using the delete key. Several modules can be selected by holding down the ctrl key.

Another option for selecting multiple modules is the key mark panels. This way several modules can be selected and deleted with the mouse.

Module assembly is discarded by clicking the recycle

bin.

After changes have been made, the project can be updated by clicking on the arrow icon.

The magnifying glass icon offers the option to zoom all, zoom in or zoom out, as well as the option to magnify a defined area.

Alternatively, one can zoom with the mouse wheel when clicking into the graphics area.

K2 Base Instruction Manual 24 | 36

The display in the graphic areas can be moved with the hand icon, or by holding down the right mouse button

Via the rotation icon, by holding down the left mouse button the building can be turned and be viewed differently from different angles.

With the command orig. rotation the view can be changed back to the original view.

The next main function is activated by clicking on

results.

Should all required data not have been entered, an error message will appear. By clicking on OK, the appropriate main function, in which incomplete data was entered, is opened. After entering the missing data, one can click directly on the results tab.

K2 Base Instruction Manual 25 | 36

8.6. Results

In this main function, the total load on the system is specified and the potentially required ballast is indicated.

The maximum load of the rail for the D-Level System is hereby calculated via the span, which can be found under

„D-Level Set.“ choose either ‚max. distance’ or ‚distance according module grid pattern’. The ballast specified

(per D-Level set) refers to the area between two D-Level sets. The corresponding roof areas, the exact dimensions of which are specified in the Assembly Aid, are displayed at the bottom right of the screen. The mounting rail

K2 SolidRail Light is selected as default for this system.

K2 Base Instruction Manual 26 | 36

K2 S-Level

For the D-Dome system, you can choose between module fastening using corner clamping (on the short side, with approval by the module manufacturer) or

1/4 clamping.

However, 1/4 clamping requires more rails and the additional Flexclamp.

In the case of the D-Dome system, the ballast value

(in kg) refers to the projected surface below a double elevation, i.e. the area between two domes.

Additionally, with the S-Level system you can choose between the mounting rails K2 crossRail 36 or 48.

Due to the the windbreaker, the ballast (per S-Level set) for this system applies to the surface below an elevated solar module. The areas for ballasting are also displayed at the bottom right of the screen.

In the case of the S-Dome system, the ballast value (in kg) refers to the projected surface below a module, i.e. the area between two domes.

In addition, the D-Level and S-Level systems also offer an option for preferred rail length. Here you can choose between all kinds of rail lengths. Simply click on the desired length. Multiple entries are possible.

The selection of parquet layout/standard layout relates to the layout of the base rail in all four systems. In the case of parquet, the rail layout is optimised for cutting while the standard layout is optimised for easy installation.

K2 Base Instruction Manual 27 | 36

8.7. Parts list

This main function displays a list of used items. Item number, designation, quantity, packaging unit, unit pieces, total quantity, weight, list price, discount rate, unit price, item discount and total price are indicated here.

As a control, it is recommended to check the required quantities for plausibility.

With + / - , articles can be added or deleted by the articel number.

Under quantity, the required quantity can be changed.

Weight and total price are updated in the process.

In addition to the pre-determined discount rate, individual item discounts can be granted. There is also the option of project or prepayment discounts.

Several options are available for exporting the parts list:

- generate an Excel file and save

- if an e-mail programme is available, the order can be sent

- Print order directly

We are currently working on an import-export interface in xML structure.

K2 Base Instruction Manual 28 | 36

8.8. Assembly help

The tab is initially hidden and appears only after clicking on results. The assembly instruction is supplemented by the assembly aid for visualisation of the project. However, K2 Base does not replace any assembly instructions of

K2 Systems. K2 assembly instructions must be used and complied with!

Here modules, roof areas and rail connectors can be displayed. It is important to note that modules and rail connectors cannot be displayed simultaneously. If the roof areas are activated, their dimensions can be used for the exact dimensioning of the ballast.

By clicking on individual tracks or track pairs, the rail lay out is illustrated in the top area of the screen.

The entire parts list of tracks is displayed in the print preview.

As already described under „roof structure“, the magnifying glass icon lets you zoom all, zoom in, zoom out or magnify an exact area. Alternatively, after clicking the graphics area, you can zoom with the mouse scroll. With the hand icon, or by right-clicking the mouse, the display is moved into the graphics area.

When finishing the project, it is advisable to check the data on the print preview and to save it as a

PDF file. We also highly recommend saving the project as a *.k2s-file for questions that may arise in the future.

K2 Base Instruction Manual 29 | 36

9. CONTACT

Should you experience any problems with the K2 Base software, please send an e-mail to [email protected] or contact the Service Hotline: +49 (0)7152/3560-0.

NOTeS

K2 Base Instruction Manual 30 | 36

10. CONDITIONS FOR THe USe OF THe K2 CALCULATION PROGRAMMe K2 BASe

1. General

1.1. The use of the K2 calculation programme K2 Base including the associated media, electronic manuals, documentations in online or electronic format and internet-based services (below referred to as “product”) shall be permitted on the basis of the following conditions of Use.

1.2. The use of the product is exclusively permitted to enterprises; consumers are not allowed to use it. Pursuant to § 13 BGB (German civil code), consumer refers to every natural person who concludes a legal transaction for a purpose that can neither be attributed to a commercial nor a freelance professional activity. Pursuant to § 14 BGB, enterprise refers to any natural or legal person or a partnership with legal capacity that acts, in the case of a conclusion of a legal transaction, in the exercise of the person’s commercial or freelance professional activity.

1.3. The use of the product is free of charge; however, it shall be at the user’s own risk. K2 Systems GmbH (below referred to as “K2“) shall not grant any guarantee or warranty for the completeness, updated condition, correctness and quality of the product and the results achieved with the aid of the product.

1.4. General Terms and conditions (AGB) or General Purchase conditions (AEB) of the user shall not be applicable. This shall also apply if reference is made to them in an item of correspondence or if the use of the product is permitted to the user in knowledge of his General Terms and conditions or General

Purchase conditions.

1.5 Prior to the use of the software, it shall be verified that projects with the latest version of K2 Base are calculated. No liability shall be assumed for calculations with a previous version.

2. Use of the Product and Restrictions for Use

2.1. The product will be provided to the user – unless expressly stated otherwise – free of charge.

2.2. For the use of the product, K2 grants the user the ordinary, at any time revocable, right to run the software on a computer. Particular note should be taken that the use of the product is limited to 3 months. After that, any further use of the product is only possible by entering an activation code that is updated every 3 months. The user shall have no right to claim receipt of the updated activation code. In addition, receipt of the updated activation code is subject to the previous acceptance of the current conditions of Use. The user’s lawful minimum rights of use shall remain unaffected. The terms set out in this section shall also bind the parties according to the law of obligations.

2.3. Every user must use the product for no other purposes than for information. Every other use or utilisation of the product as well as the information obtained from it, particularly the copying, changing or integrating it into publications or advertisements of any kind is subject to K2’s prior approval or the relevant copyright holder.

2.4. The user must not sell, pass on as a gift, lend or rent out the product or parts of the product to a third party.

2.5. The user shall have no right to remove or omit the existing protection of the product – especially the software – against unauthorised use, unless this is necessary to achieve a trouble-free lawful use of the programme. copyright notices, serial numbers as well as other programme identifications may neither be removed nor changed. The same shall apply to the suppression of the respective properties on the screen.

3. Disclaimer of Warranties, Limitation of Liability

3.1. Any liability by K2 for defects of quality and/or title of the product, especially for the freedom of faults, freedom from property rights and copyrights held by third parties, completeness and/or usability as well as for potential consequences of a possible misinterpretation of the results obtained with the aid of the product by the user shall be excluded – except for cases of gross negligence or intent by K2 or death or injury to the body and health as well as claims pursuant to the Product Liability Act.

3.2. For consequential damage, loss of profit, production loss, operational interruption or data loss, K2 shall not assume any liability – except for cases of gross negligence or intent as well as death or injury to the body or health and claims pursuant to the Product Liability Act.

3.3. K2 shall not be liable for damage that is attributable to the improper use of the product by the user. The user shall fully release K2 in this respect from any claims raised by third parties, including the costs of extrajudicial legal proceedings upon the first request.

3.4. It is the user’s responsibility to provide the working environment for the software. K2 shall assume no warranty that the software meets the user’s requirements and that it operates without any conflicts with the other software employed by the user and his hardware. The user shall take suitable precautions for the case that the software does not work properly as a whole or in part (e.g. by data backup, troubleshooting, regular verification of the results).

4. Important Information about Computer Viruses and Data Protection

4.1. Although K2 takes every effort to keep the product virus-free, K2 cannot accept any guarantee or liability for the freedom from viruses. Any liability on the part of K2 for damage and disturbance caused by computer viruses shall be excluded.

4.2. Prior to downloading the product, particularly of the software, the user shall take suitable safety precautions and employ appropriate virus scanners to ensure a protection. Nevertheless, K2 recommends, before every installation, to carry out a data backup for existing, possibly important data for the case that the product does not operate properly in part or as a whole.

4.3. The user shall save data and programs in adequate intervals, at least once per day, in electronic form and, by doing this, ensure that they can be recovered at reasonable effort. In the case of a data loss, K2 shall be liable as a maximum for the damage as it would have occurred after a proper data backup by the customer.

5. Contact Person for Queries

5.1. If you have any questions about these conditions of Use or if you would like to get in touch with K2 for other reasons, please contact:

K2 Systems GmbH

Riedwiesenstraße 13 - 17

71229 Leonberg | Germany

Email: [email protected]

5.2. You can visit us on the internet under www.k2-systems.de.

6. Place of Jurisdiction / Governing Law

6.1. Place of jurisdiction is the location of the K2 office (Leonberg).

6.2. German law applies under exclusion of the rules of the Private International

Law as well as the UN Purchase Law.

Leonberg, 07 June 2011

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11. TeRMS AND CONDITIONS

K2 Base may only be used after permission by K2 Systems has been granted. This is done by sending of a link for the download of the programme including the corresponding password. Before using the software it has to be checked that projects are calculated with the latest version. For calculations with older versions, no liability is accepted.

§ 1 Scope

(1) Unless explicitly agreed otherwise in writing, these general conditions of service

(General Conditions of Service) shall apply to all contracts regarding our deliveries and services concluded by us with a customer as well as pre-existing contractual obligations in this regard. Other terms and conditions or purchasing terms shall not become the content of the contract, even if we do not explicitly contradict them.

This shall also apply if we perform our services to the customer without any reservation in awareness of contrary or deviating terms and conditions or these are referred to in individual correspondence.

(2) Even if not explicitly referred to once again when similar contracts are concluded in ongoing business relations, our General Conditions of Service shall apply exclusively in the same version as those which can be downloaded by the customer from

(http://www.k2-systems.de/english/gcs/) when placing an order, unless explicitly agreed otherwise in writing between the contractual parties. The latest printed version of the

General Conditions of Service will be sent to the customer free of charge upon request.

(3) These General Conditions of Service shall not apply in relation to consumers as defined by Section 13 of the German Civil Code [Bürgerliches Gesetzbuch (BGB)].

§ 2 Conclusion of Contract, Offer Documents

(1) Our offers are subject to confirmation and non-binding, unless the offer is declared in writing to be binding. The customer shall be bound by statements in connection with the conclusion of a contract (contractual offers) for two weeks.

(2) A legally binding relationship shall only come into existence through a contract signed by both contractual parties or through our written confirmation of the order, and moreover through commencement of the performance of contractual services by us. We may demand written confirmations of the customer’s verbal declarations of willingness to enter into a contract.

(3) We reserve property rights and copyrights to illustrations, drawings, calculations, tools and other documents. This also applies to written documents which are designated as “confidential”. The customer shall require our express written consent before passing these on to third parties or their use for third parties.

§ 3 Subject Matter of the Contract, Warranties, Modifications to

Services

(1) The scope, type and quality of the deliveries and services shall be determined by the contract signed by both parties or by our confirmation of the order or otherwise by our offer. Other information or requirements shall only become an integral part of the contract if this is agreed in writing by the contractual parties or we have confirmed them in writing. Any subsequent modifications to the scope of services shall require written agreement or our express written confirmation.

(2) Product descriptions, illustrations and technical data are specifications of services, but do not constitute warranties. Any warranty must be explicitly stated as such in writing. Where warranties are mentioned in offers, these are exclusively our product warranties, which must be concluded directly with us.

Drawings, illustrations, measures, weights or other service data shall only be binding if this is explicitly agreed in writing.

(3) We reserve the right to make minor modifications to services, insofar as these modifications are of a minor nature, which can be reasonably imposed on the customer. In particular, the customer must accept any commercially customary deviations in quality, quantity, weight or other deviations even if it refers to brochures, illustrations or pictures when placing an order, unless these are explicitly agreed upon as a binding property.

§ 4 Time of Performance, Delays, Partial Performances, Place of Performance

(1) Any information about times of delivery and performance shall be non-binding, unless referred to as binding by us in writing. All delivery and performance periods shall be conditional on correct and punctual availability of supplies and raw materials.

Delivery periods shall commence upon the sending of the confirmation of the order by us, but not before all commercial and technical matters between the customer and ourselves have been clarified and the customer has fulfilled all duties incumbent on it (e.g. provision of all necessary official authorisations or payment of agreed down payments).

(2) Delivery and performance periods shall be extended by the period in which the customer is in default of payment under the terms of the contract and by the period in which we are prevented from performing the delivery or service through circumstances for which we are not responsible, and by a reasonable run-up period after the end of the reason for the delay. These circumstances shall include force majeure, shortage of raw materials at relevant commodity markets, any delays caused by our suppliers and industrial disputes. Periods shall also be considered to be prolonged by any such time in which the customer breaches the contract by failing to meet its obligations to cooperate, e.g. by not providing information, supplies or staff.

(3) If the contractual parties subsequently agree to perform different or additional services affecting the agreed periods, these periods shall be prolonged by a reasonable period.

(4) If a postponement of delivery or performance dates is agreed at the customer’s request, we shall be entitled to demand the remuneration at the time at which it would have been due without the postponement. The agreement on the postponement of such dates must be recorded in writing.

(5) Any reminders or setting of deadlines on the part of the customer shall only be valid if recorded in writing. A period of grace must be reasonable. A period of less than two weeks shall only be reasonable in cases of urgent necessity.

(6) We are entitled to perform partial services, inasmuch as the delivered parts can be reasonably used by the customer. We reserve the right to deliver excess or short supplies of up to 5 % of the scope of delivery.

(7) Agreed delivery dates shall be considered as having been complied with as soon as the goods have been handed over to the transport company on the agreed delivery date or as soon as we have given notice of their actual readiness for shipment.

(8) If our component supplier (definitively) fails to supply to us although we have taken due care in selecting such supplier and the order satisfies the requirements applicable under our obligation to supply, we shall be entitled to full or partial withdrawal in relation to the customer, if we notify the customer of the failure of the supply to us and – where admissible – offer the assignment of the claims to which we are entitled against the component supplier to the customer. When selecting our supplier, we shall not be liable for slightly negligent fault in the selection (culpa in eligendo).

(9) Unless otherwise stated or agreed, the place of performance of the service shall be our registered office.

§ 5 Packaging, Shipment, Passing of Risk, Insurance

(1) The risk is transferred to the customer as soon as the product has left our factory or distribution centre. This also applies to partial deliveries, deliveries in connection with supplementary performance and if we undertake further services, such as especially any shipping charges or delivery. If a contract for work exists which requires acceptance, risk is transferred upon acceptance.

(2) We shall select the mode of shipment, the carrier and transport route, unless we have received other written specifications by the customer. With regard to this selection, we shall only be liable for intent or gross negligence.

(3) At the customer’s express request, the goods delivered shall be insured against the risks identified by the customer at its expense, inasmuch as this is feasible with reasonable time and effort for us.

§ 6 Prices, Remuneration, Payment, Set-Off

(1) Unless otherwise agreed upon by the contractual parties, all prices are valid ex works. All prices and remuneration are quoted in euros plus the applicable value added tax and other statutory charges applicable in the country of delivery, as well as plus transportation costs, expenses, packaging, shipment and, if applicable, insurance of goods in transit. Any additional services requested by the customer shall be invoiced on a time and material basis.

(2) Subject to para. 6, the contractually agreed prices in each case must be paid. Services shall be charged according to expenditure.

(3) Our goods shall in principle only be shipped against prepayment by bank transfer.

The customer undertakes to pay the price for our deliveries and services immediately after conclusion of the contract, unless otherwise agreed. Unless, exceptionally, payment in advance is agreed and unless otherwise agreed by the contractual parties, payments are due without discount immediately after performance of the service and customer’s receipt of the invoice and payable within 14 days.

(4) Unless specially agreed otherwise, we only accept non-cash payments, i.e. transfers to our bank account indicated in the contract documents. Bills of exchange and cheques shall in principle not be accepted, and if at all only in lieu of payment. The customer must pay the bill of exchange and cash discount charges incurred as well as the collection charges. These are due immediately. We shall not be liable for timely collection or timely protest if we are only responsible for slight negligence in this regard.

(5) If the customer is in default of payment, it shall be required to pay interest at the rate of eight percentage points above the relevant applicable base interest rate. This shall not affect the right to assert for further damage caused by the delay.

Terms and conditions 32 | 36

(6) If the customer is in default of payment for longer than 30 calendar days, bills of exchange or cheques are protested or if insolvency proceedings or comparable proceedings under other legal systems are filed against the customer’s assets, we shall be entitled to immediately call all accounts receivable against the customer due and payable, withhold all deliveries and services, and assert all reservations of proprietary rights.

(7) The customer shall only be entitled to set off our claims against claims undisputed by us or recognised by declaratory judgment. Apart from Section 354 a HGB (German

Commercial Code), the customer shall be entitled to assign rights to a third party only after our prior written confirmation. The customer shall only have a right of retention or the defence of non-performance within the respective contractual relationship.

(8) Circumstances which occur after conclusion of the contract and which influence the calculation basis unforeseeably to a significant extent and are beyond our sphere of control shall entitle us to adjust the agreed price in an amount exclusively taking into account these circumstances. This especially applies to legislative amendments, official measures, price increases of our primary suppliers and currency fluctuations. The price adjusted on this basis is based on the same calculation basis as the originally agreed price and may not be used to increase the profit.

(9) If we receive unfavourable information about the customer’s financial circumstances or credit standing, unless, exceptionally, payment in advance must be made anyway

- we may make the processing and delivery dependent on a reasonable down payment by the customer or on the provision of security through a deposit or a bank guarantee.

§ 7 Retention of Title

(1) Our services remain our property until full payment of all claims against the customer to which we are entitled from the business relationship. These claims shall also include drafts and bills of exchange receivable as well as current account receivables.

(2) The customer is obliged to treat the goods that are subject to retention of title carefully for the period of retention of title. It is also obliged to insure the goods sufficiently at the reinstatement value against damage caused by fire, water and theft at its own expense. The customer hereby assigns to us already any claims for damages arising from this insurance. We hereby accept the assignment. If the assignment is not permissible, the customer shall hereby irrevocably instruct its insurance company to effect any payments solely to us. This shall not affect any further claims that we may have. Upon our request, the customer must furnish documentary proof to us that it has taken out insurance.

(3) The customer is only permitted to sell the goods subject to retention of title in the regular course of business. The customer is not entitled to pledge the goods subject to retention of title, transfer them by way of security or make other arrangements that prejudice our ownership. In the event of seizures or other infringements by third parties, the customer is obliged to inform us immediately in writing and provide all necessary information, inform the third party about our ownership rights and assist us in our activities to protect the goods subject to retention of title. The customer shall bear any costs incurred by it, which may be due in order to cancel access to the goods or replace the goods, insofar as these costs cannot be recovered from a third party.

(4) The customer hereby assigns to us already all outstanding debts from resale of the goods and all ancillary rights, regardless of whether the goods subject to retention of title were resold without or after processing. We hereby accept this assignment already now. If an assignment is not admissible, the customer hereby irrevocably instructs the garnishee to effect any payments solely to us. The customer is revocably authorised to collect the debts assigned to us in a fiduciary capacity. The amount collected shall be paid to us immediately. We are entitled to revoke the customer’s authorisation to collect the amounts due as well as the customer’s authorisation to resell the goods, if the customer does not meet its payment obligations towards us in proper form, if it is in default of payment, if it ceases payment or if insolvency proceedings are filed regarding the customer’s assets. A resale of claims shall require our prior consent. The customer’s collection authorisation shall expire upon notice of the assignment to the garnishee. If the collection authorisation is withdrawn, we shall be entitled to demand from the customer to notify the assigned debts and their debtors, provide all information required, hand out the associated documents and inform the obligors of the assignment.

(5) In case the customer’s debts from the re-sale are transferred to a current account, the customer hereby also assigns its claim against its customer from the current account already to us, and namely in the amount of the purchase price of the goods resold subject to retention of title including VAT.

(6) If we assert our claims in accordance with § 6 para. 6, the customer is immediately obliged to grant us access to the goods subject to retention of title, send us a detailed list of all the existing goods subject to retention of title, separate the goods for us and to return them to us upon request.

(7) The processing or remodelling of the goods subject to retention of title by the customer shall be carried out solely for us. The customer’s expectant right to the goods subject to retention of title shall carry forward to the processed or remodelled item. If the item is irrevocably processed, combined or mixed with other items not owned by us, we shall thereby become co-owner of the new item, reflecting the proportion of the value of the delivered item relative to the other processed items at the time of processing.

The customer shall keep the new item in safe custody for us. The item originating from the processing or remodelling is thereby subject to the same regulations as the goods subject to retention of title.

(8) At the customer’s request, we are obliged to release the securities that it is legally entitled to, if the realisable value of the securities, taking into account the valuation haircuts customary in the banking sector, exceeds our claims resulting from the business relationship with the customer by more than 10 %. The valuation shall be based on the invoice value of the goods subject to retention of title and on the nominal value in relation to claims.

(9) If any goods are delivered to countries with a different legal system, in which the regulations regarding retention of title do not guarantee the same degree of security pursuant to this paragraph as in the Federal Republic of Germany, the customer hereby acknowledges the corresponding security interest. If further declarations or actions are necessary, the customer shall provide these declarations and take action accordingly.

The customer shall participate in all steps necessary for and beneficial to the efficacy and enforceability of these security interests.

§ 8 Contractual Obligations and Termination of Contract

(1) The customer may only terminate the exchange of services prematurely in case of a breach of duty on our part, for whatever legal reason (e.g. in the case of withdrawal, claim for damages in lieu of the service, termination for cause) in addition to the statutory requirements subject to the following requirements: a) The breach of contract shall be specifically notified. The remedy of the fault shall be requested within a stipulated time period. In addition, the threat shall be issued that after expiry of this period without results, no further services concerning the notified fault will be accepted and therefore the partial or complete exchange of services will be terminated. b) The period for remedying the fault must be adequate. A period of less than two weeks is only appropriate in cases of urgent necessity. In case of serious and final refusal of performance or subject to the other statutory requirements (Section 323, para. 2

BGB) the setting of a deadline may be dispensed with. c) The termination of the exchange of services (partially or completely) due to the inability to remedy the fault may only be declared within three weeks after end of this period.

The period is delayed for the duration of negotiations.

(2) The customer may only demand the rescission of the contract due to a delay in performance if we are exclusively or predominantly responsible for the delay, unless after assessing the different interests, the adherence to the contract cannot be reasonably imposed on the customer due to the delay.

(3) Any declarations made in this context shall only be valid if recorded in writing.

(4) Notice of termination in accordance with Section 649 BGB shall remain valid in accordance with the legal regulations.

(5) We are entitled to cancel the contractual relationship with immediate effect for the following reasons: if the customer has provided incorrect information regarding its credit worthiness or definitively discontinued payments or if proceedings have been filed against it for affirmation in lieu of an oath, if insolvency proceedings have been filed regarding the customer’s assets or comparable proceedings under different legal systems have been commenced or if an application to do so has been filed, unless the customer pays in advance without delay. Furthermore, we may cancel the contractual relationship without delay if the customer has to pay in advance and it is at least 14 days in default in this regard.

§ 9 Customer’s General Duties

(1) The customer is obliged to have all of our deliveries and services checked by a competent employee either immediately after delivery, or on receipt according to § 1, para.

1, or upon accessibility in accordance with the commercial law regulations (Section 377 of the German Civil Code (HGB)), and send notification of recognizable and/or recognized defects immediately and in writing, including a detailed description of the defect.

(2) The customer acknowledges that we are dependent on its comprehensive support in order to provide the deliveries and services owed by us successfully and in a timely manner. The customer therefore undertakes to provide all required information in full in a timely manner for the service to be performed properly.

(3) The customer undertakes to test our services thoroughly for usability in the specific application and to subject these to a functional test before assembly, any subsequent delivery etc. This also applies to delivery items which the customer receives free of charge within the terms of the warranty.

(4) The customer shall secure data that can be affected, negatively influenced or endangered by our services at appropriate intervals, but at least once daily, in a machinereadable form and shall thereby guarantee that this data will be retrievable with reasonable effort.

(5) The customer shall take adequate precautions in case we partially or completely fail to provide our deliveries and services appropriately (e.g. by securing data, fault diagnosis, checking the results regularly, emergency planning).

§ 10 Limitation of Use, Indemnity

(1) Unless otherwise explicitly agreed in writing, our services are not intended for use in life-sustaining or life-supporting devices and systems, nuclear power plants, for military purposes, application in aerospace or other purposes where malfunction of the product can, within reasonable assessment, lead to life-threatening situations or cause catastrophic consequential damage.

K2 Base Instruction Manual 33 | 36

(2) If the customer breaches para. 1, this shall occur at the customer‘s own risk and sole responsibility. The customer hereby indemnifies and holds harmless both ourselves and the respective producer to the full extent at first request from any liability resulting from the use of goods in the above-mentioned contexts, including the cost of an appropriate legal defence.

§ 11 Material Defects

(1) Our services have the stipulated properties and condition, and are suitable for the contractually agreed use, or if no agreement is reached, are fit for normal use. Without explicit further agreement, it is solely guaranteed that our services will be free from defects in accordance with the current state of the art. It is the customer’s sole responsibility to guarantee the fitness and security of our services for an application provided by the customer. A negligible reduction in quality shall not be taken into account.

(2) Warranty is excluded: a) if our products are not stored, installed, operated or used properly by the b) c) d) customer or a third party, in case of natural wear and tear,

if the product is not maintained properly, if the product is used in connection with unsuitable equipment, e) in case of defects caused by repairs or other work carried out by third parties, which were not explicitly approved by us.

It is the customer’s responsibility to prove that these exclusion criteria do not apply.

In addition, the customer’s right to claim defects requires that it has properly attended to its obligations to inspect and give notice of non-conformity in accordance with §

9 para. 1 and has given notice of hidden defects in writing immediately after their discovery.

(3) In case of material defects, we may firstly provide supplementary performance. The supplementary performance shall be carried out according to our choice by remedying the defect, by delivering goods and/or services that do not have the defect, or by pointing out a possible way to avoid the effects of the defect. At least two attempts to remedy a defect have to be accepted. The customer shall accept an equivalent new or earlier product version without defect as supplementary performance, if this can be reasonably imposed on it.

(4) The customer shall support us in connection with the analysis of errors and remedy of the defect by precisely describing any problems occurring, by informing us comprehensively and giving us the necessary time and opportunity to remedy the defect.

(5) We may demand payment if additional costs are incurred by us due to our products or services being modified or incorrectly operated. We may demand reimbursement of expenses if no defect is found. The burden of proof shall lie with the customer. Section

254 BGB shall apply accordingly.

If expenses, including cost of transport, travel, work and material increase during the attempt to remedy the defect, we are not obliged to bear these costs if expenses increase due to the fact that the delivery item was subsequently transported by the customer to a different place than the place of delivery, unless the transport complies with its contractual and intended use. Staff and material costs that the customer claims due to defects of our services must be charged based on net costs.

(6) Defective goods may only be returned to us for the purpose of the supplementary performance with the prior written consent in accordance with the rules existing in our company. The risk of accidental loss or deterioration of the goods shall only pass at the time of the acceptance by us at our business premises.

(7) If we definitively refuse to remedy the defects, or if the remedy definitively fails or is unreasonable for the customer, the customer is allowed either to terminate the contract in accordance with the legal regulations in compliance with § 9, or reduce payment appropriately and, if we are responsible, additionally claim damages and reimbursement of expenses in accordance with § 13. The claims shall lapse in accordance with § 14.

This shall not affect the regulations of Sections 478, 479 BGB, unless United Nations

Convention on Contracts for the International Sale of Goods (CISG) is applicable.

§ 12 Defects of Title

(1) Unless otherwise agreed, we are obliged to perform our services free from industrial property rights and third-party copyrights (hereinafter referred to as property rights) solely in the country of the place of delivery. If a third party asserts a justified claim against the customer owing to the infringement of property rights caused by services provided by us based on the contract, we shall be liable to our customer within the period defined in § 14 as follows:

(2) We will either obtain a right of use for the services in question, change them accordingly to avoid the infringement of the property right or replace them according to our choice and at our expense. If we are not able to do so under reasonable conditions, the customer shall be entitled to statutory rights of withdrawal or reduction. The customer may not claim damages for futile expenses.

(3) Our obligation to pay damages is based on the legal stipulation in accordance with

§ 13.

(4) Our duties mentioned above shall only exist if the customer informs us immediately in writing regarding claims asserted by third parties, if it does not recognise an infringement and we reserve the right to carry out all defence mechanisms and all negotiations to reach a compromise. If the customer terminates use of the delivery in order to minimise damage or for other important reasons, it shall be obliged to point out to the third party that the termination of use does not involve any acknowledgement of an infringement of property rights.

(5) Claims asserted by the customer are excluded if the customer is responsible for the infringement of property rights. Claims asserted by the customer are also excluded if the infringement of property rights has been caused by the customer’s particular specifications, by an application that was not foreseeable by us, or as a result of a change in delivery caused by the customer, or if used together with products not delivered by us.

(6) In all other cases, the regulations of § 11 shall apply accordingly.

(7) Any further claims or the customer’s claims other than those mentioned here, either against us or our vicarious agents, due to a defect of title, are excluded.

§ 13 Liability

(1) We shall pay damages or compensation for futile expenses, for whatever legal reason (e.g. obligation based on legal or similar transactions, material defects or defects of title, breach of duty or tortious act) only if we are at fault (intent or negligence) to the following extent: a) Liability in case of intent and under a warranty shall be unlimited.

b) In case of gross negligence, we shall be liable to the extent of typical and foreseeable damage.

c) In other cases, we shall only be liable in case of the breach of a material contractual obligation, claims for defects and delay, namely for the reimbursement of typical and foreseeable damage.

Liability in this regard is limited to twice the amount of the agreed remuneration of the order/part of the contract affected by the damage per claim and to three times the order value for all claims under this contractual relationship.

According to German court rulings, material contractual obligations (cardinal obligations) are obligations whose fulfilment is a prerequisite for enabling the proper fulfilment of the contract in the first place and in which the contractual party may normally trust.

(2) In case of injury to life, body and health and claims from the German Product Liability Act [Produkthaftungsgesetz], the statutory regulations shall apply exclusively.

(3) Our option to raise an objection of contributory negligence shall remain open.

§ 14 Limitation of Actions

The deadline for limitation of actions is: a) one year from delivery of goods for claims for repayment of the purchase price and withdrawal or reduction; however, if these claims are based on a proper, not statutebarred notice of defects, no less than three months after presenting the valid notice of withdrawal or reduction.

b) one year, in case of other claims concerning material defects; c) one year in case of claims concerning defects of title. If the defect of title is a right in rem of a third party, based on which the return of the item can be demanded, the statutory limitation periods shall apply.

d) in case of other claims for damages or reimbursement of futile expenses, one year, starting from the time at which the customer became aware of the circumstances the claims are based on, or had to become aware of without gross negligence.

The limitation of actions shall begin at the end of the maximum statutory period at the latest (Section 199 para. 3, para. 4 BGB).

(2) In case of the reimbursement of damages and expenses, gross negligence, warranty, fraudulent intent as well as injuries to life, limb and health and claims under the German Product Liability Act, the statutory regulations shall always apply.

§ 15 Confidentiality, Data Security, Naming the Customer as a Reference Customer

(1) The customer undertakes to treat as confidential all items (documents, information, software) that it becomes aware of or receives from the other contractual party either prior to or during the performance of the contract that are protected by law, or obviously contain business or company secrets or are identified as confidential, even after expiry of the contract, unless they are publicly known without a breach of the confidentiality obligation or if no legal interest worthy of protection regarding the contractual party exists.

The customer agrees to store and secure these items in such a way as to prevent fraudulent use by third parties.

(2) The customer undertakes to make the objects subject to the confidentiality obligation according to paragraph 1 only accessible to employees or other third parties who require access in order to carry out their official duties and responsibilities. It shall instruct these persons on the need for confidentiality regarding these objects.

(3) We will process the necessary customer data relevant to business transactions with due regard for the data protection regulations. We may name the customer as a reference customer.

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§ 16 Social Clause

When determining the amount of any claim for compensation to be fulfilled by us or in connection with this contract, our economic situation, the type, extent and duration of the business relationship, any possible contribution to the cause and/or fault on the part of the customer and a particularly disadvantageous installation of the item shall be taken into account appropriately for our benefit. In particular, any compensation, cost and expenses that we are expected to bear shall be proportionate to the value of the delivered part.

§ 17 Written Form Clause

All changes and amendments to the contract shall only be valid if recorded in writing.

The contractual parties shall comply with this requirement by sending documents in written or electronic form, particularly by fax or e-mail, unless other requirements for individual declarations exist. The written form requirement itself may only be revoked in writing.

§ 18 Severability Clause

Should one of the provisions of these General Conditions of Service be or become invalid, or should these General Conditions of Service be incomplete, this shall not affect the validity of the other provisions. The contractual parties shall substitute the invalid provision by a provision which approximates most closely to the sense and purpose of the invalid provision. The same applies to gaps in the contract.

§ 19 Choice of Law

The law of the Federal Republic of Germany, including the provisions on the application of the United Nations Convention on Contracts for the International Sale of Goods

(CISG) as part of German law, shall apply.

§ 20 Legal Venue

The legal venue for all disputes arising from and in connection with this contract shall be Stuttgart (Germany), insofar as the customer is a businessperson, a public law entity or a special fund under public law, or treated as equivalent to such, or if its registered office or branch office is outside Germany. We are also entitled to bring a legal action at the customer‘s registered office as well as any other admissible legal venue.

Last revised: February 2012

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Mounting systems for solar technology

K2 Systems GmbH

Riedwiesenstraße 13 - 17

71229 Leonberg

Germany

Tel +49 (0) 7152 - 3560 - 0

Fax +49 (0) 7152 - 3560 - 179 [email protected]

www.k2-systems.com

K2 Systems s.r.l.

Via Madonna dello Schioppo 67

Secondo Piano Int. 17-19

47521 cesena (Fc)

Italy

Tel. +39 0547 63 20 80

Fax +39 0547 63 50 22 [email protected] www.k2-systems.it

K2 Solar Mounting Solutions Ltd.

Unit 46 Easter Park

Benyon Road

Aldermaston, Berkshire RG 7 2PQ

United Kingdom

Tel. +44 (0) 1189 701280 [email protected]

www.k2-systems.uk.com

Everest Solar Systems, LLc

3809 Ocean Ranch Blvd.

Suite 111

Oceanside, cA 92056

USA

Tel +1.760.301.5300

[email protected]

www.everest-solarsystems.com

K2 Systems SARL - Agence FRANcE NORD

14, rue des Hérons

67960 Entzheim

France

Tel. +33 (0) 3 88 21 66 02

Fax +33 (0) 3 88 21 66 03 [email protected]

www.k2-systems.fr

K2 Systems SARL - Agence FRANcE SUD

19 Avenue du Pré de challes

Parc des Glaisins

74940 Annecy le Vieux

France

Tel. +33 (0) 4 50 51 22 53

Fax +33 (0) 4 50 51 16 41 [email protected]

www.k2-systems.fr

Base Bedienungsanleitung | GB3 | 0812 | Subject to change.

Product illustrations are exemplary illustrations and may differ from the original.

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