Typically, one rule has many functions. The following lists help you to find the rule which is appropriate for your task.
This article covers the following topics:
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Question |
Rule |
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What is the general BIM structure of the file? |
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Is there an opening in a wall for every door and window? |
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Is the thickness of a wall, slab or roof same as sum of its material layer thicknesses? |
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Are windows and doors located in the same floor than a wall they belong to? |
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Is the thickness of a wall, slab or roof same as sum of its material layer thicknesses? |
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Are windows and doors located in the same floor than a wall they belong to? |
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How to find components with very complicated geometry or potential problems with geometry? |
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Does the model have walls/slabs/spaces/…? |
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Do all walls/slabs/... have a construction type defined? |
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Do all walls/spaces/… have a specific property set or property? |
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Do specific properties have values in all components? |
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Is there a relation (used by downstream applications) between windows/doors and spaces? |
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Question |
Rule |
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Does the model have gross building areas in each floor? |
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Is the net area (sum of space areas) large enough compared to gross area? |
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Is the gross area covered with spaces, walls and columns? Is there anything missing? |
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Is the external wall area/gross area ratio large enough? |
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Are the window area/external wall ratios reasonable in each floor and/or in whole building? |
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Are the floor heights consistent in each floor (you can ignore lowest and topmost floors)? |
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Is the net area (= total area of spaces) of building the same as required? |
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Question |
Rule |
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Are space areas within given min/max limits? |
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Do all apartments (or other group of spaces) contain required spaces? |
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Has the model all spaces required in the room schedule/housing plan? |
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How to compare spaces and space areas against the room schedule/housing plan? |
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Are space areas aligned with surrounding walls? |
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Is the height of spaces at least the minimum value required? |
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Do all spaces touch slabs below and/or top themselves? |
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Are there walls or columns insides spaces? |
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Does number of spaces in each floor match the list of required spaces? |
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Does the model have fire compartments? |
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Are all spaces included in fire compartments? |
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Are the apartments and other space groups correctly modeled? |
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Are spaces grouped as required? |
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Is there enough windows in certain spaces? |
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Is the window area of certain spaces compared to floor area inside given limits (e.g. 10% - 25%) ? |
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Is the space number unique (according to definition) in each space? |
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Are all space identifiers numbers if so defined? |
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Does the space numbers in the same floor start with the same number? |
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Are space numbers consecutive? |
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Is the distance between conference space and restrooms within set bounds? |
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Are there noisy rooms close by silent rooms? |
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Are floor heights between given limits? |
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What is the distance between two parallel bearing wall (length of a hollow slab)? |
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Are the space heights in each floor consistent? |
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Question |
Rule |
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Are the walls/slab thicknesses per type consistent in the model? |
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Are the wall heights per type consistent in each floor? |
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Are the windows/door widths/heights per type consistent? |
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What is the volume of clashes per material type (extra material)? |
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Does the model have duplicate columns, walls, doors,... ? |
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Does the model have overlapping components? |
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Question |
Rules |
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Are the window top elevations for all windows consistent in each floor? |
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Are the construction types according to a list of approved types? |
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Are all walls/slabs/columns/... located at correct layer? |
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Are all walls in the model higher than a given limit value? |
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Is there a window in the model which has elevation less than a given limit value? |
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Are all walls in the model longer than a given limit value? |
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Are all window areas in the model larger than a given limit value? |
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Are all window areas in the model smaller than a given limit value? |
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Are the external walls set in a correct way? |
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Are the columns touching a slab, beam, wall or other column underneath? (correct column elevations) |
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Are the columns touching a slab, beam, wall or other column on top? (correct column heights) |
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Are the beams touching a slab on top? (correct beam profile heights) |
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Can similar clash cases be identified to make the fixing easier? |
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Are there components inside each others? |
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Can severe clashes be identified compared to minor clashes? |
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Does the structural model overlap with doors and windows in architectural model? |
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Do the HVAC components intersect with components in structural or architectural model? |
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Do the cable carries and ventilation channels intersect? |
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Is the window or door opening too near wall top? |
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Are water taps too far away from the shaft? |
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Is the area in front of a door clear? |
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Is there a hole too near the end of a beam? |
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Question |
Rule |
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What are the differences between two model versions of the same design discipline? |
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What are the differences in quantities between two model versions of the same design discipline? |
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Are openings similarly located in structural and architectural model? |
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Question |
Rule |
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Is the width of the doors between specific space types large enough? |
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Is the height of the doors between specific space types large enough? |
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Is the threshold height of the doors between specific space types small enough? |
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Is the glazing ratio of the doors between specific space types large enough? |
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Is the opening direction of doors between specific space types correct? |
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Is there enough space in front of the doors between specific space? |
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Is there enough space in side of the doors between specific space? |
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Is there enough space in back of the doors between specific space? |
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Is the sum of width and height of the free area in front of the door big enough? |
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Are the ramps in the model acceptable according the accessibility rules (length/height)? |
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Is it always possible to use stairs instead of a ramp? |
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Is the width or the free width of the ramps big enough? |
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Are there enough free space before and after ramps? |
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Are the intermediate landings in ramps long enough? |
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Is the width or the free width of the stairs big enough? |
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Are there enough free space before and after stairs? |
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Is there enough clear area below and/or top of the stairs? |
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Are the intermediate landings in stairs long enough? |
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Is the number of steps in a stair (in one flight) under the set limit? |
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Is the riser height of all stairs inside given limits? |
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Is the tread length of all stairs inside given limits? |
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Is the sum of tread and two risers inside given limits? |
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Is the step nosing length of stairs under the given limit? |
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Does the model have stairs with open raisers? |
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Does the model have windows in corners? |
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Is the window sill height high enough in all spaces of specific types? |
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Is there enough free space for turning circle in all bathrooms? |
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Is there enough free space in the side of the water closets? |
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Are the corridor spaces wide enough? |
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Is there an acceptable route out/to the safe place from each space in the model? |
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Are there alternative routes to escape from each space? |
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Visualize route from each space? |
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Is the size of the fire compartment within given bounds? |
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Are door and window types matching the walls fire protection class? |
172 Fire Walls Must Have Correct Wall, Door, and Window Types |
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Do walls between fire zones have fire protection class? |
172 Fire Walls Must Have Correct Wall, Door, and Window Types |
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Are fire protective walls/doors or windows used somewhere else than in fire walls? |
172 Fire Walls Must Have Correct Wall, Door, and Window Types |
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Are there empty openings in fire protected walls? |
172 Fire Walls Must Have Correct Wall, Door, and Window Types |