Shower drain question...

[OldHouse]

I am remodling an area as a master bath. I am going to install a 3'x4' 3 piece shower unit (can't get a one piece in). I have roughed in all the appropriate drain and vent lines, but...

What I am wondering is how do you all go about connecting the shower drain to the p-trap under the shower?
In previous jobs I have done (tub in guest bath) the joist space ran such that I had a simple floor cut out and reached maybe 10" in to cement it all up.
This shower, though, the joists run such that I will be reaching half the width of the shower, plus the stud wall, just to get to the drain (about 28"). I can just barely touch it.
Do I just find a long-armed friend? glue everything up, put blocking under the p-trap and just drop the base and drain down on it hoping it lines up perfectly?

How would you all approach this?

Thanks,
Quinn

 

[fashx]

in locating you shower tray , you must consider accessability for service later . if you cant gain access to the trap to make a secure joint to the drain from below the floor boards , then i sugest making a platform to rest the tray upon , use a compact shower trap which takes up less space
i hope this helps

 

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[Jadnashua]

Many shower receptor bases don't rely on a glue connection to the drain...it is a compression rubber fitting. Not that this helps if the instructions say to glue it. Are there solvent glues that are slower to cure? This may help if they are available.

 

[OldHouse]

solution...

I made a simple cut-away in the subfloor that makes it easy for me to get into the area under the drain now. Shouldn't be a problem. Should get it installed tonight or tomorrow. Thanks,
Quinn