Sheraton Hotels

Kauai, Hawaii

This project calls for infrastructure upgrades which includes providing new refrigerant monitoring system and refrigerant exhaust systems in all mechanical rooms; replacing all site work underground chilled water piping in the Garden Wing; providing chilled water connections for each guestroom building, new Lobby building, existing ballroom building and Engineering Building; providing gas piping for new gas grill locations and fire pits; and installing new cooling towers in a new cooling tower enclosure on the site. We are also renovating the Engineering Building, Lawai Fitness Center, Poipu and Koloa Ballrooms, Pool Restrooms and relocating the main lobby from the Ocean Wing to the Garden Wing. We are installing new plumbing fixtures in existing guestroom restrooms; installing new plumbing fixtures per ADA requirements; adding an ADA restroom for the Engineering building, renovating the Pool Restroom for ADA compliance; and renovating the Employee Restroom in the ballroom building. We are also replacing fire sprinkler heads in buildings where we are installing new ceilings and relocating exterior fire sprinkler mains. Estimated Construction Cost: $25 Million

waikiki, Hawaii

Currently providing the mechanical and electrical engineering design work for implementing central plant improvements including integration of a combined heat and power (CHP) system, replacing the existing chillers and pumps, relocating and modernizing the hot water system, and upgrading the emergency generator system. We are providing the design to replace the existing 1,400 ton centrifugal chillers with new 1,500 ton chillers; a variable primary pumping system; replacing chilled water and condenser water pumps; relocating and providing new hot water storage tanks to make room for the new CHP units; providing hot water booster pumps; support for the new CHP units including hot water circulation piping, circulation pumps, flue ducting, and synthetic natural gas piping; re-designing the flue system to vent the existing remaining boiler and new CHP units; providing heat exchangers for the domestic hot water heating system; implementing an absorption chiller; and providing commissioning of all mechanical systems.

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