Owner

Bishop Ranch

A Sunset Development Project

General Contractor

Sunset Development

Mechanical Engineer

Salas O’Brien

Year Complete

2015

Size

9,500 sq. ft.

Contract Type

Plan & Spec

Project Overview

Major demo and upgrade of 30-year-old central plant serving the 2 million foot property and Ice Storage refrigeration system at the sub-terrain level.

Mechanical Highlights

• Disconnection of man-made Lake for the condenser water system at Sub Terrain Level

• Installation of (3) Trane 1000-ton chillers at sub-terrain level

• Installation of (4) secondary B&G 40 HP Chilled water pumps at Sub Terrain Level

• Installation at Roof Level [5 stories] 6 cell BAC Cooling Towers providing 1500 GPM per cell

• Structural Upgrade at Roof level to accommodate 50,000 lbs added equipment to load and new screen wall system

• Installation of (4) B&G 75 HP Condenser Water pumps at sub-terrain level

• All “new” CHW and CWS piping isolated from the building structure.

• 5 levels of saw cutting and steel reinforcement for the new piping shaft

• 5 Stories of 18” Condenser Water piping supply and return along with [3] 6” Refrigeration blow-off lines that were prefabbed and installed in 2 crane picks. The 2 sections of piping were welded in place at the 2nd-floor level

• Re-work of Chiller room ventilation system

• Installation of a “new” sump pumping system to accommodate Cooling tower blowdown at the sub-terrain level

• New Chemical feed system installed at sub-terrain level

• Major shutdown of 2M sq. ft. building to tie in “new” chilled water system, including line stops and line freezing for the new system tie-in