case studies - saving energy at 601 figueroa, los angeles case studies saving energy at 601 figueroa, los angeles local utility, los angeles department of water and power, the building received $415,000. lighting upgrade details from the p5 parking level to the 53rd floor helipad, 601 figueroa in los angeles is maintained in excellent condition by its engineering team, including marty zuno who has been at the building since 1992. as part of their ongoing operations, level 1 and level 2 energy audits were conducted to identify energy savings opportunities within the building’s hvac plant and lighting systems. here are a few highlights of the projects completed and savings achieved last year: hvac chiller plant overhaul since the hvac plant at 601 figueroa was designed with significant redundancy, all five chillers had similarly low operational hours. following the energy audit, variable frequency drives (vfd’s) and high efficiency purge units, and gasket and seal replacements were installed on all five chillers. as a result the plant is more efficient, controls have improved, and 601 figueroa has achieved an incredible 30% reduction in energy. additionally, through a rebate offered by their lighting type analysis & upgrade projects at 601 figueroa, the brookfield engineering team used washrooms, mechanical rooms, telephone closets, and multi-tenant areas as their “test labs” to experiment with different led types, from lamps and fixtures, to tubes, to flat panels. through their mach energy system, the building modeled their 2016 energy performance versus their 2012 baseline. as a result of the chiller plant upgrades and numerous lighting retrofits, 601 figueroa achieved an impressive 10% reduction in energy used, a 280 kw decrease in their energy demand, and a 9.4% reduction in cost compared to their baseline year – an outstanding energy savings accomplishment! k e e w e h t f o y a d h w k / 2000 1500 1000 500 0 sunday monday tuesday wednesday thursday friday saturday baseline week parking garage over 1,500 fluorescent light fixtures were replaced with led’s controlled by occupancy sensors and set at 70% of their capacity, with the ability to dim to 10% when the garage is unoccupied. this upgrade saved 305,751 kwh at 601 figueroa, which is over $45,700 annually. tower stairwells fluorescent fixtures were replaced with dimmable led’s controlled by occupancy sensors. lights now dim to 10% of regular levels when not in use, reducing lighting costs by 25-65% and energy use by 68,734 kwh. building crown the building crown is an illuminated three-storey octagon sitting at the top of figueroa at wilshire that has illuminated the downtown los angeles skyline for the past 27 years. prior to the retrofit, the crown lights consisted of 700 fluorescents spread over three floors. they were replaced with 350 dimmable led lights. through the crown retrofit, the building anticipates an annual saving of 137,356 kwh , or approximately $20,600. brookfieldproperties.com case studies: saving energy at 601 figueroa, l.a. pg. 12