paving heavy construction utilities structures grading rehab & maintenance urban streets treatment plants infrastructure project completed commitment safety integrity experience concrete paving grading water sewer system storm sewers pump stations emergency repairs maintenance complete system hard bid contract a+b bidding negotiated design-build cost plus smoky hill, llc team references recommendations current completed subcontract management utility construction demolition blast remove reopen bridge salina kansas hours services control testing facilities required department of transportation material assurance personnel experienced in contractor’s corps of engineers kdot municipalities plant transit mixer trucks pug mill support equipment maintain performance meet demands large projects served local facilities maintenance emergency able work staff maintain or repair systems important infrastructure design build experience identify efficient partnered firms site dam bank stabilization dredging portland cement treated base lime and flyash treated subgrade pavement curb and gutter paving stabilized bases trimming profilograph general piping installation mechanical excavations sanitary waterlines lift pumping lines boring continuation existing access optimum performances public remove re-open employment opportunities heavy contractors job listings