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What size post should i use if i want erect a 9m x 3m billboard at 2.5m high frm ground1. For unipole ?2. 2 pole ?3. 3 pole ?4. 4 pole ?
You need a structural engineer
What size post should i use if i want erect a 9m x 3m billboard at 2.5m high frm ground
1. For unipole ?
2. 2 pole ?
3. 3 pole ?
4. 4 pole ?
You need a structural engineer