"proposes establishing" is a correct and usable phrase in written English.
It is a common structure used to describe an action or plan that someone is suggesting or recommending. Example: The city council proposes establishing a new park in the downtown area to provide more green space for residents to enjoy.
But he proposes establishing tax brackets according to wealth levels.
It proposes establishing a chemicals agency to keep a database of all registered substances, which would be publicly managed but paid for by registration fees from chemicals producers.
He proposes establishing an Early Intervention Foundation, a new non-government body, at a time when the government is committed to shutting down such quangos.
A congressional bill introduced in April proposes establishing a commission to oversee "Presidential capacity," laying down a path that the Twenty-fifth Amendment allows for involuntary removal of a President.
One, the Reut Institute, proposes establishing a pro-Israel network, for instance involving evangelical churches, to counter Islamist and leftist ones, and rebranding Israel with liberal images such as gay-pride pageants.
In the memo, which he wrote with the help of military and security experts with experience in Iraq, Pollack proposes establishing small, solid protected zones, mainly in central and southern Iraq, which Pollack envisions will begin expanding on the map like "ink blots".
They proposed establishing a minimum altitude of 2,500 feet and lower speed limits.
County Executive Andrew J. Spano has proposed establishing a Biodiversity Reserve Area at Croton Point Park in Croton-on-Hudson.
He proposed establishing the new post of chief inspector of hospitals.
He has proposed establishing a hate crimes unit by giving special training to prosecutors to handle and identify such crimes.
He also proposed establishing jointly operated border checkpoints, to promote the regulated movement of people and goods.
