[esp-r] Re: draft layout of common constructions file format

[Achim Geissler]

Hi Jon

how would CFC constructions fit in?

Best
Achim

On Sep 10, 2012, at 1:13 PM, Jon Hand wrote:

> 
> I have drafted a syntax for holding common constructions (MLCs) for ESP-r. It introduces
> a version number, date stamp, categories with documentation, documentation for
> individual constructions and a tag data format which should be easier to parse.
> 
> The format allows the names of MLC to be phrases up to 32 characters with documentation
> up to ~248 character (the remainder of the line).  It also allows for the optical properties name
> and pointers to 'reversed' MLC to be up to 32 characters.  As with the materials categories,
> categories can have one to one-less-than-the-max-number-of-items. 
> 
> In a direct translation from current MLC files the names will and attributes will be 12 characters.
> New entries or conversions after editing would support longer names but would not be
> usable with older versions of ESP-r.
> 
> Commas are used to separate tokens which are potentially phrases with spaces. If you look
> in the examples below I have been trying a comma-single-space separator which is
> a bit more human readable than a pure comma separated list of tokens. Otherwise
> spaces are used for separation.
> 
> The newer format zone geometry file is able to handle phrases for constructions names
> and optical names and the zone constructions file should require little or no alteration
> to use construction names phrases.
> 
> There might be further attributes which would be useful to include in the MLC file.  One could be
> to add an *outer and an *inner line of attributes for each item which could hold the solar and visual
> and perhaps colour (rgb) attributes at the outer and inner face. These would be instantiated
> via a scan of the materials. Such entities would remove the need for scanning materials 
> properties and RGB values would allow for exporting Radiance models which could
> be colour rather than just grey-scale.  
> 
> To support acoustic analysis one would need names for acoustic properties for
> the overall construction as well as each layer.  These could be fitted into the scheme.
> 
> Comments please....
> 
> Regards, Jon Hand
> 
> An example of the format is shown below....
> 
> *Constructions 1
> *date,Sat Jun 23 12:15:16 2012
> # construction defined in ./multicon.dba
> # based on materials ./material.db3.a
> *doc ESP-r MLC Constructions including required materials for UK code complience. Additional infomation and documentation uses standard assumptions which should be updated as required.
> 1  # number of classifications
> #  
> # Constructions have the following attributes:
> # *item class index, type (OPAQ|TRAN), name (phrase up to 32 char), documentation (remainder of the line)
> # *attrib optical name (up to 32 char), key phrase SYMMETRIC or NONSYMMETRIC or another MLC name
> # *layer thickness (m) material name (up to 32 char), material documentation (remainder of the line)
> # *gap   thickness (m) 3 or 5 resistance values, name (remainder of the line)
> # *enditem
> # 
> # *class class index, number of items, description (32 char)
> # followed by a line of class documentation
> # *endclass  signals the end of the class of constructions
> #  
> *class 1 4 Walls
> Class ( 1) Exterior walls includes a range of constructions. Based on data traditionally distributed with ESP-r.
> #  
> *item 1 OPAQ, extern_wall, older brick block external wall  
> *attrib OPAQUE, NONSYMMETRIC
> *layer  0.1000  Lt brown brick, Light brown brick
> *layer  0.0750  glasswool, Glasswool (generic)
> *gap    0.0500  0.170 0.170 0.170, air
> *layer  0.1000  breeze block, Breeze block
> *enditem
> *item 1 OPAQ, insulated metal panel, insulated metal panel achieving U 0.46
> *attrib OPAQUE, NONSYMMETRIC
> *layer  0.0040  grey cotd alum, Grey coated aluminium
> *layer  0.0800  glass fibre quilt, Glass Fibre Quilt
> *layer  0.0040  wt cotd alum, White coated aluminium
> *enditem
> *item 1 OPAQ, Wall_NI_noti, Northern Ireland Notional wall for UK code
> *attrib OPAQUE, NONSYMMETRIC  
> # mat ref thickness (m) mat descr & air gap R
> *layer  0.1020  Brick outer leaf, Brick (UK code)
> *layer  0.0900  Mineral wool batt 100mm, Insulation (Mineral wool batt default 100mm)
> *layer  0.1000  Concrete med density (1800), Blockwork (UK code)
> *gap    0.0220  0.180 0.180 0.180, air
> *layer  0.0130  Plasterboard (UK code), Plasterboard (UK code)
> *enditem
> *item 1 OPAQ, AWI_06 IBO, Wall type AWI_06 from the IBO reference manual    
> *atrib QPAQUE, NONSYMMETRIC 
> *layer  0.0250  weatherboard, Weatherboard (source does not clarify what it is)
> *gap    0.0500  0.050 0.050 0.050, air
> *layer  0.0160  MDF, MDF based on info in IBO PassivHaus (diffusion is a guess)
> *layer  0.1000  celulose fiber flakes, cellulose fibre insulation flakes from IBO Pass
> *layer  0.1000  celulose fiber flakes, cellulose fibre insulation flakes from IBO Pass
> *layer  0.1000  celulose fiber flakes, cellulose fibre insulation flakes from IBO Pass
> *layer  0.0180  OSB, OSB wood based on the SBEM database
> *layer  0.0500  lambswool felt insulation, lambswool insulation felt from IBO PassivHa
> *layer  0.0250  white gypboard, White paintedd Gypboard
> *enditem
> *endclass
> #  
> *class 2 2 Partitions & doors
> Class ( 2) Internal partitions and doors. Based on data traditionally distributed with ESP-r.
> *item 2 OPAQ, intern_wall, Plaster board over concrete block partition
> *attrib OPAQUE, SYMMETRIC
> # mat ref thickness (m) mat descr & air gap R
> *layer  0.0120  perlite plasterboard, Perlite plasterboard
> *layer  0.1500  breeze block, Breeze block
> *layer  0.0120  perlite plasterboard, Perlite plasterboard
> *enditem
> *item 2 OPAQ, door, Solid Oak door
> *attrib OPAQUE, SYMMETRIC
> *layer  0.0250  oak, Oak (radial cut)
> *enditem
> *endclass
> #  
> *class 3 4 Glazing
> Class ( 3) A variety of glazing products which are matched to optical properties.
> *item 3 TRAN, double_glazing, 6mm uncoated inner and outer glass with air fill
> *attrib DCF7671_06nb, SYMMETRIC     
> # mat ref thickness (m) mat descr & air gap R
> *layer  0.0060  plate glass, Plate glass with placeholder single layer optics
> *gap    0.0120  0.170 0.170 0.170, air
> *layer  0.0060  plate glass, Plate glass with placeholder single layer optics
> *enditem
> *item 3 TRAN, fictitious, almost-not-there construction used between zones
> *attrib SC_fictit, SYMMETRIC     
> *layer  0.0040  fict, fictitious material (almost not there) with matching single laye
> *enditem
> *item 3 TRAN, tripglz_1.8, non-coated tripple glazing with air spaces
> *attrib trip_glz_18, SYMMETRIC     
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *gap    0.0120  0.170 0.170 0.170, air
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *gap    0.0120  0.170 0.170 0.170, air
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *enditem
> *item 3 TRAN, tripglz_1.08, low-e coated tripple glazing with air spaces
> *attrib trip_gl_kai, NONSYMMETRIC    
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *gap    0.0120  0.367 0.367 0.367, low-e and air
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *gap    0.0120  0.371 0.371 0.371, low-e and air
> *layer  0.0060  clear float, 4mm clear float glass with optics from UK national method
> *enditem
> *endclass
> *end
> 
> 
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achim.geissler at intergga.ch