Body
Put concrete between ground and roof-supporting poles, or replace the poles with weather-proofed, ground-contact poles (and paint)
The pole is 7'7" high.
I can provide floor jack(s) if the contractor does not have them . This would need to be communicated in advance of the work, so I'd have time to purchase them.
Amazon floor jacks:
- https://www.amazon.com/Vestil-FJB-150-Basement-Floor-Jack/dp/B0052PLEGM/ref=sr_1_8?crid=270SQSWY4ES3Q&keywords=jack%2Bpost&qid=1685201412&sprefix=jack%2Bpost%2Caps%2C115&sr=8-8&th=1
- https://www.amazon.com/Tiger-Brand-Jack-Post-JS-100/dp/B001B1AMNW/ref=sr_1_34_mod_primary_new?crid=19ZWOO4L4WC0T&keywords=roof+jack&qid=1685201241&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=roof+jack%2Caps%2C112&sr=8-34
- https://www.amazon.com/dp/B09B776CJD/ref=redir_mobile_desktop?_encoding=UTF8&aaxitk=101afb02e61f888073ff6edbdd948c8b&content-id=amzn1.sym.7dd77237-72be-4809-b5b5-d553eab7ad9d%3Aamzn1.sym.7dd77237-72be-4809-b5b5-d553eab7ad9d&hsa_cr_id=4455996580701&pd_rd_plhdr=t&pd_rd_r=0eda1e5b-b448-441f-899d-3d4368b47dff&pd_rd_w=N5NLr&pd_rd_wg=sNWDR&qid=1685201218&ref_=sbx_be_s_sparkle_mcd_asin_2_img&sr=1-3-9e67e56a-6f64-441f-a281-df67fc737124&th=1