Property Address 3 Imperial Promenade
Santa Ana, CA USA
Year Constructed 1991
Construction Manager The Austin Company
Contractor Engineer The Austin Company
Building Owner 3 Imperial Promenade, Inc.
Previous Building Owner Kpers Realty Holding # 33, Inc.
Year Purchased 2007
Finish Exterior is alternating courses of limestone and granite, with both individual glazing units and curtain wall sections constructed of solar-tinted reflective glass.
Lobby Material First floor consists of polished stone wainscot and wood paneling. The ceiling is constructed of sculptured sheetrock with recessed lighting.
Structure Framing consists of structural steel with masonry and concrete encasement on a poured concrete slab. Floors are concrete poured over metal deck. Each floor is bridged by structural steel floor beams. Exterior walls consist of limestone, granite, and thermal windows in aluminum frames.
Number Of Floors 11 tenant floors + non-tenant penthouse
Site Area 3.15 acres
Rentable Area 246,763 RSF
Major Tenants Square Footage T-Mobile 40,754 RSF; Aitken 7,964 RSF; Tenet 39,692 RSF
Floor Plate Size 21,068 most floors; 2ND FL 29,277 & 3RD FL 26,663 RSF
Floor Load 16%
Floors Above Grade 11 + penthouse
Slab To Slab Height 15'
Floor To Ceiling Height Floors 2-11, 8'
Ceiling Details The lobby ceiling is contructed of sculptured sheetrock with recessed lighting. Tenant floors are T-bar grid with 2'x2' acoustic ceiling tiles.
Window Details Aluminum framed windows
Elevators The building contains (4) Fujitech traction passenger elevators and one Fujitech traction freight elevator. Fujitech solid-state controls, coupled with AC hoist machines, control the traction elevators. All of the elevators service levels G, 2-11, with the service elevator also servicing the penthouse. Two, schindler MPH II, solid state, hydualic passenger elevators service all levels of the parking structure.
HVAC Description The building is cooled by trane roof-mounted, package HVAC units serving variable air volume (VAV) boxes at each floor. Condenser water cooling is provided by a closed-circuit cooling tower at the roof manufactured by Baltimore air coil. Four trane heat-pump units serve lobby areas and the elevator equipment room. The water-cooled air-handling units utilize scroll compressors and the heat pump units utilize reciprocating compressors. The air handler capacities are 60- and 75-ton units. The cooling tower fan motor is served by variable frequency drive (VFD) control and the circulation system is served by sand filter. Two 40-horsepower, 1,050 gallon-per-minute capacity condenser water pumps serve the closed-loop system.
Electrical System Description Electricity for the building is provided by Southern California Edison from an on-site padmounted transformer. The building is served by a main electric panel rated at 4,000 ampere, 177/480-volt, 3-phase, 4-wire; distribution panels are 200 ampere. The electrical service is protected from overloads via circuit breakers of varying capacity.

Interior lighting is provided by 2' x 4' suspended ceiling-mounted fluorescent fixtures with T-8 ballasts, compact fluorescent bulbs in recessed ceiling can fixtures and various types of incandescent accent lighting.
Emergency Backup A 475-KW caterpillar emergency generator is located on the roof. Emergency lighting is provided along egress routes.
Plumbing Description Copper water piping and cast iron drains.
Restroom Details ADA compliant with granite vanity tops.
Utilities Description All electric supplied by Southern California Edison and Water by City of Santa Ana
Fire/Life Safety Description The building is fully covered by a wet, fire suppression sprinkler system rated of "ordinary hazards". The building is served by an 8" main with 6" risers, with backflow prevention and flow and tamper switches as required by code. The fire protection system is provided with a 15,000 gallon reserve tank and a 750-gpm diesel-driven fire pump. The building is covered by a fire-alarm system equipped with manual pull-stations, horns, smoke detectors, flow and tamper switches as required. Pressurized stairwells are provided at the building and mechanical smoke control is provided.
Telecommunications Description Main point of entry in subterranean garage
Fiberoptic System Description No backbone that is tenant ready
Building Security Description A central security system comprised of card access, video cameras, and on-site personnel is provided
Tenant Access Hours Normal business hours are M-F 7:00 am - 6:00 pm, Sat 9:00am to 1:00pm. Tenants have 24/7 access via a proximity card.
Parking Total of 736 stalls; employee subterranean parking with 2 passenger elevators. Parking is controlled with an anti-passback system with loop detectors.
Loading Dock 11'6" clearance
Major Tenants T-Mobile, Aitken Aitken & Cohn, Tenet