We use the 118B's, and operate primarily out of Denver (high altitude ops). We climb up into the high 20's always (25 thru 28), so I don't know how the straight 118 works in that respect.
As for flap operating speeds, we use:
15 - 200 kts
25 - 150
45 - 130 (this is 5kt's slower than EMB states. We've found in some models, and the difference in all of the actuators, this speed reduces the amount of dissagreements you get when flap 45 is selected).
We don't have any specific speeds for flap retraction, except flaps 15 to 0 is done at V2 + 20. This reduces the sink rate you get when the flaps are retracted.
Flaps 45 isnt a big deal, just carry power to touchdown. Don't expect a smooth landing anytime, unless you're just plain lucky.
Flap settings on approach:
Precision: 25 or 45 (flap 15 on base leg/procedure turn inbd, Gear dn/condit. levers max/flaps 25 at 1 dot below GS, Flap 45 (if desired) shortly thereafter)
Non prec: straight in, flap 25 flown (flap 15 proced. turn, gear dn/condit levers max/flap 25 3 miles from FAF) Flap 45 (if desired) when field in sight and prior to descent below 500 feet.
Circle: FLap 25 only
Visual: 25 or 45, as long as you are configured and stable prior to 500 feet agl.