Office Plan: This #Sudoku Plan Must be in the Netherlands!

Today's Puzzle:

A Will Power puzzle back-to-back? What can I say, the man is a prolific constructor of phenomenal puzzles!

Will clearly paid attention to the 'engineering' of these plans.

Link to Play Along:

Office Floor Plan by Will Power https://tinyurl.com/SudokuSleuthOfficeFloorPlan

Rules:

Normal Sudoku rules apply.

DUTCH WHISPERS- Numbers on red lines are at least 4 apart from their neighbors on the line. Numbers may repeat on lines, if other rules allow.

KILLER- Numbers in cages sum to the number in the top left corner of the cage.