875—76.7 (89A) Alterations. When any combination of alterations or changes is made constituting more than 50 percent of the elevator construction, the entire elevator shall be brought into compliance with ASME A17.1-2004, A17.1a-2005 and A17.1S-2005 and shall be deemed a new elevator. Alterations or changes constitute more than 50 percent of the construction if they exceed 50 percent of the total points according to the following table:

Elevator Component	Hydraulic	Traction	
Controller	31	26	
Floor selector	4	8	
Drive-MG-SCR	-	13	
Main machine	-	15	
Machine motor	5	7	
Hoist ropes	4	8	
Governor	4	7	
Platform	9	9	
Car fixtures	9	8	
Cab	10	10	
Safeties	6	7	
Door operator	12	12	
Hoistway door panels	11	10	
Hoistway door frames	11	10	
Hoistway hangers & tracks	11	11	
Hoistway door locks	8	9	
Traveling cable	6	9	
Hoistway wiring	8	6	
Hall fixtures	8	10	
Buffers	6	6	
Counterweight	4	7	
Rails & brackets	10	18	
Car & cwt. guides	6	6	
Pump	9	-	
Valve	9	-	
Tank	9	-	
Plunger	14	-	
Cylinder	18	-	
Total Points	242	233	
If any of the above elevator components do not apply, the points for the component(s) shall be subtracted from the total points before a determination of whether the alteration or change constitutes 50 percent is made.