By Simon Brown
As the next release of Cymap 2018 is just around the corner, I thought I’d let you know some of the upcoming enhancements to the software based on some of your feedback as part of our continual development program.
Following some great work from our developers, I am pleased to tell you that we are introducing the BS 806 methods of pipe sizing along with the CIHPE methodologies. This is a feature taken from the top of our wish list, enabling you to design your public health services to any method you wish. We know that there are differing opinions in our industry on the technicalities of passing water through a pipe. There are currently 4 different methodologies, which, by and large, give the same result. So we have decided to include all four methods so you now have CIBSE demand, BS6700, BS806 and CIHPE….
As we’ve been further developing this BIM process with various links to other software we have come across some of the idiosyncrasies incumbent in Revit which can cause issues when importing gbXML geometry into Cymap.
We have devised an easier method, where you simply read in the gbXML and it applies the building elevation and heights of floors automatically. All you have to do is grab the floorplans afterwards and slot them into place. All the height information is included so you don’t need to refer to the Revit sections and elevations. Look for this option, number 2 on the wizard, next to the TAS import.
As I write it’s 32 degrees and the AC isn’t working so I thought I’d take this opportunity to talk cooling and make you aware we have made the interface regarding the treatment of air a bit more intuitive. Essentially it’s a simple tick box, either the incoming air is treated or it isn’t. If it’s not, it is ambient air for summer and winter. If you tick the “treated air” box you simply enter the off-coil condition of the cooling coil or heater battery to allocate the fresh air component to the supply source. Previously we have asked you to enter zero as a value to represent ambient conditions. This is one old methodology I’m happy to consign to Room 101 if Frank Skinner lets me. It will hopefully reduce support on the subject as this one has always been difficult to get your head around.
Another change we have introduced from our wish list was to rethink our approach to calculating or displaying the cooling coil or heater battery size if you treated the air. We used to ask you to undertake two separate calculations; one untreated, the other with treated air, which meant that you would have to deduct one value from the other to get the result manually…..priceless!
Now we have displayed the AHU cooling coil load in the zone and building displays relevant to the central plant.
On the heat losses the same applies, but on the reports if the air is untreated i.e. an all air systems, you just take the total load value. If the air is treated it breaks this down into space loads and fresh air loads for simplicity.
The program takes a little longer to run the calculation as it effectively carries out the 2 calculations sequentially before displaying the results. This is much clearer and along with the entries should make this particular task much simpler and quicker overall.
Electrically we can now add supply boards in Electrics and cable them up and associate them with final boards. You can then export this to create a schematic where all you need to do is edit the general set up tabs, then calculate which should save some time.
If you have any queries or requests for new features or improvements pleased email me at [email protected] and we will look at the feasibility and put them on the wish list.