[stadry]

so, after all the responses, hues' post is correct - ' it depends ! '
before beginning any crack repairs, 1st determine IF the ' crack ' is a dynamic joint OR static crack,,, different repair methods & materials apply

 

[stadry]

at home in upstate ny, city solicited prices for sidewalk repairs,,, individual property owners were allowed to hire those bidders at bid price OR any other contractor of their choice,,, prior to placing new conc, inspections were rqd however rarely did inspectors look at experienced work if the company had existing relationship w/city
in my nj twnshp, owners were rqd to solicit their own bids & have s/w repaired to new standard w/permits & inspections IF their s/w got gigged