FEATURED 1350 Ala Moana HI , Drain, Waste, and Vent Repipe , Condominium/Co-Op , High-Rise Honolulu / Hawaii The building-wide repipe of the cast iron waste and vent system at 1350 Ala Moana is likely the most complex plumbing renovation ever to... Units : 353 Stories : 36 Built : 1968 Duration : 14 months Problem : Severely corroded cast iron waste & vent piping, and roof drains Solution : Turnkey Pipe Replacement with asbestos abatement