Bill of Quantities – (Calculating) part 3

I present simply way to calculate position price on BoQ. In real process, we need to make many changes before we finally signing contract. Every time, when we make some change, we need to archive previous BoQ version to have historical data. In NAV4Constructio, this is easy procedure; you only need to press ‘Archive Document’ command and this is all. On document header, we have presented number of existing archive document versions. I we want to use some old archived document version, we need to click on this field and choose desired version. After that, we need to choose version and press ‘Restore Version’. There are only few, very simple steps.


When we make restored version, we have information about that in comment line with date of restore and comment “Document restored from Version XXX.”

When you want to calculate new position costs, we can use ‘Calculate only Cost’ command. Sometimes there long time from our first calculation and many resources and items costs are changed. Then, we have wrong cost calculated per positions. With this command, NAV will use actual costs and recalculate position costs by normatives.

We can use local currency or some other currency in calculation. If we have foreign customer, system will use his currency configured on customer card. But in countries with big inflation, we usually have to make calculation in additional currency (EUR, USD…). For this purpose we can use specific currency on Project Card (we can use average exchange rate or sales rate of exchange). When we make calculation, we prepare calculation in other currency, but all our documents must be in local currency. When we finish all calculation in BoQ, we need to start ‘Calculate Rate’ to calculate all costs and prices by actual (or on desired date) exchange rate.

We can print many different and complex analysis reports from BoQ about cost breakdown for each construction position and resource work times…


When we finish all of them, we need to change document status to ‘Release’ and after that we can print ‘Quote’. If someone don’t like predefined Quote layout, he/she has option to export quote in Excel and print it after rearrangement. When we print quote, there are some specifics:

  • NAV will use cross-reference for positions codes
  • NAV will use extended text for position descriptions
  • If ‘Begin-total’ position where specific position placed marked for recapitulation, will be presented in Quote recapitulation (sum of all position in group)
  • If ‘Begin-total’ position where specific position placed marked for grouping, before this set of positions, will be presented parent position as bold line

16 thoughts on “Bill of Quantities – (Calculating) part 3

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