What would you do ?

So my job is doing some remodeling & instead of being closed for a little while until it's done or until they can turn the air back on they just have us working with no air & it is so hot in here it feels hotter then it is outside & just basically we have to deal with working like this well I can not stop being dizzy over it I'm drinking so much water & it is not helping at all everyone is complaining bout it but I've passed out at work be4 & don't want to risk it happening again now that I'm pregnant so I'm lost on what to do ? Should I just ask my doctor what she thinks I should do ? & im in Georgia where it is extremely hot right now