The contract is for the replacement of the JNU Gate K culvert. The work includes the removal of an existing steel pipe arch, protection of existing utilities, installation of a stream bypass system, installation of a new aluminum pipe arch, removal and reconstruction of existing riprap bank armoring, top-soiling and re-seeding of disturbed banks, and reconstruction and repaving of disturbed roadway. The contract was awarded to Colaska dba SECON for a total bid amount of $555,213.00.
• The contract includes various pay items, such as aluminum pipe arch, streambank material, stream substrate material, and traffic control.
• The contract has a lump sum payment structure for some items, while others have a unit price payment structure.
• The contract requires the contractor to mobilize and demobilize, perform construction surveying, and provide traffic control.
• The contract also requires the contractor to remove and replace existing utilities, perform erosion and sediment control, and seed and topsoil disturbed areas.