my web still resist the survival mode...
just try what i've done:
1 clear all the zone from water
2 place at list one blaster near each emitter
3 build reactor storage and speed on the 70% of the ground
4 place three parallel lines of blasters near the emitters (as roman soldiers did)
5 place three parallel lines of mortars back the blasters
6 to be sure to resist construct 2 drones for each emitter and use them alternate
I did it and also with survival mode no one of my structures explode...
Try to believe