need help on a safe gpm

Discussion in 'Irrigation' started by woodlawnservice, Jun 23, 2013.

  1. woodlawnservice

    woodlawnservice LawnSite Senior Member
    Posts: 762

    I've got system designed for under 18gpm right now
    .. I can always add.more zones if needed b but I'd prefer not to since I'm already at 10. How do u guys go about telling the customer that wants a bid for the system that u need.to do a pressure and flow test? How.much should that be charges or say u waive the cost of it if they buy the system.off.of you??
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  2. 1idejim

    1idejim LawnSite Fanatic
    Posts: 9,322

    How many others are bidding the job?

    If none of them are pulling a test, why do you need to? That's what the owner will be asking you.

    As far as getting paid for it, good luck. If you are bidding the job you should either know it of find the rates on your own.

    In theory, when you bid a job your bid will reflect every foreseeable aspect of the job. Don't work that way but it sounds good.
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  3. woodlawnservice

    woodlawnservice LawnSite Senior Member
    Posts: 762

    Not sure how many are bidding it? I'm likely to be the only one being that there are not many installers here... and if the owner asks... I'm simply explain only when I test is performed... a proper design system can be made and to get the best available bid because no unforeseen circumstance should arise
    and me not mark up my bid because of it.
    As for my pricing... pretty much there is no "market" here for irrigation work. As far as competitors go so I name my price and do it for what I think its worth of my time..
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  4. woodlawnservice

    woodlawnservice LawnSite Senior Member
    Posts: 762

    Just didnr know how u guys get away with this ans how u price em. Some down here have a set rate per zone. One competitor I seen on cl said $500 a zone.. I won't price that way... no way each job is different
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  5. 1idejim

    1idejim LawnSite Fanatic
    Posts: 9,322

    There is a huge difference in T&M and contract pricing.

    I installed a cycle stop valve today and the HO asked if i would install his system. I said NO, not what i do.

    Story behind this is the system is trenched, trench's are full of dirt and need more than just a cleanup. 1500 ft of 1.5 main (i suggested 2.0 min) way over zoned and i think he will use MP3000.

    I did tell him i would design and install the main, valves and wiring @ XXX and he could do the rest.
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  6. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Posts: 47,363

    Modern heads like the PGP made it possible to alter system flow rates on the fly, so you can almost always keep your zone count intact. The limiting factor in flow rates is the 3/4-inch poly between street and meter. Is it Iron-Pipe-Size or Copper-Tube-Size? Keeping velocity down means keeping flow rates down.
     
  7. Kiril

    Kiril LawnSite Fanatic
    Posts: 18,308

    Perhaps, but only if the zone was designed for it to begin with (i.e. allowance for radius changes).
     
  8. Tom Tom

    Tom Tom LawnSite Bronze Member
    Posts: 1,278

    why guess at flow?
     
  9. AI Inc

    AI Inc LawnSite Fanatic
    Posts: 25,308

    what he said
     
  10. woodlawnservice

    woodlawnservice LawnSite Senior Member
    Posts: 762

    I understand this but nobody has answered my question to reguarding about how you go about obtaining to get this info... that being said I know I need to go ahead and tap the main after the meter... but how do you explain this to the customer to allow proper design? Do u charge them for this? What happens.if they decide they don't want a system after this is done?
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