なけりゃ => If not ... N2
Condition (hypothetical condition)
...かける => Impact N3
Act
とりわけ => especially; above all ~ N3
Emphasis on degree
ていただけるとありがたい => I would really appreciate it if ... N3
Exclamatory
における => in; at (place) N2
Scope
なるたけ => as much as possible N3
Limit, limit
ひとり ... だけでなく => not only…, not just… N2
Add
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
かける => Is doing, haven't finished yet N2
Will, Decision, “Doing”
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
続ける => to continue; to keep up; to keep on. N4
かける => half-; not yet finished; in the middle of~ N3