add:
{
	"classname" "trigger_push"
	"origin" "4320 -737.5 -1512.5"
	"angles" "0 90 0"
	"model" "*148"
	"targetname" "push_boat_1"
	"parentname" "save_boat_1"
	"filtername" "zombie"
	"pushdir" "90 0 0"
	"spawnflags" "1"
	"speed" "350"
	"StartDisabled" "0"
	"alternateticksfix" "0"
}

add:
{
	"classname" "trigger_push"
	"origin" "4776 -738.5 -1528.5"
	"angles" "0 90 0"
	"model" "*148"
	"targetname" "push_boat_2"
	"parentname" "save_boat_2"
	"filtername" "zombie"
	"pushdir" "90 0 0"
	"spawnflags" "1"
	"speed" "350"
	"StartDisabled" "0"
	"alternateticksfix" "0"
}

add:
{
	"classname" "trigger_push"
	"origin" "4320 -541.5 -1512.5"
	"angles" "0 90 0"
	"model" "*148"
	"targetname" "push_boat_1"
	"parentname" "save_boat_1"
	"filtername" "zombie"
	"pushdir" "90 0 0"
	"spawnflags" "1"
	"speed" "350"
	"StartDisabled" "0"
	"alternateticksfix" "0"
}

add:
{
	"classname" "trigger_push"
	"origin" "4776 -542.5 -1528.5"
	"angles" "0 90 0"
	"model" "*148"
	"targetname" "push_boat_2"
	"parentname" "save_boat_2"
	"filtername" "zombie"
	"pushdir" "90 0 0"
	"spawnflags" "1"
	"speed" "350"
	"StartDisabled" "0"
	"alternateticksfix" "0"
}