Manhole installation services, namely, Manhole installation services involving the use of hydro-excavation to create a manhole cavity with stabilized excavation walls, followed by installation of forming systems and placement of high-strength concrete to construct a new structural manhole in undisturbed environments, with optional incorporation of a corrosion-resistant high-density polyethylene (HDPE) sheet liner.

'caviti':19 'concret':36 'construct':38 'corros':52 'corrosion-resist':51 'creat':16 'densiti':56 'environ':45 'excav':14,22 'follow':24 'form':28 'hdpe':58 'high':34,55 'high-dens':54 'high-strength':33 'hydro':13 'hydro-excav':12 'incorpor':48 'instal':2,6,26 'involv':8 'liner':60 'manhol':1,5,18,42 'name':4 'new':40 'option':47 'placement':31 'polyethylen':57 'resist':53 'servic':3,7 'sheet':59 'stabil':21 'strength':35 'structur':41 'system':29 'undisturb':44 'use':10 'wall':23

MONOFORM HEX

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