PRODUCTS AND SERVICES Service tunnels and shafts for multipurpose use such as sewer lines, storm drainage, utility lines, and chill water lines. Creating easements to avoid street or highway interruption or building intervention. Paving, concrete work, landscaping, duct bank, curbs, and gutters. Jack and Bore 36” 42” 48” 54” 60” 72” 84” 96” 108” Steel[…]