Or............................how about if you built a platform at about 1/2 the distance from the ground to the 'loft'.....
then have a chicken ladder from the ground to the platform......and another ladder from the platform to the loft?
_______loft___________
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_
_
__platform_________
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_
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_
then have a chicken ladder from the ground to the platform......and another ladder from the platform to the loft?
_______loft___________
_
_
_
__platform_________
_
_
_
_