200 Andover Park E, Tukwila, WA 98188 For Lease

• Easy Access to I-5 / 405 & SR-67

• End-Cap Suite #100 - Exterior Signage

• Abundant / Free Parking

• Abundant Shopping, Walking Trails / Dine –in-Take-out.

• PARK TENANTS : WA State DMV, Concentra Medical, Sound Credit Union, US Health Works, VI, Resorts, Benca Dentistry

ABOUT THE SPACE/SUITE

Prior tenant: Rainier Cancer Center in Tukwila specializes in radiation oncology, providing state-of-the-art treatments for cancers including prostate, breast, head/neck, colorectal, brain/CNS, bone, skin, lung, gynecologic, and metastatic disease.

Vault equipment: The vault housed a 2011 Varian Clinic 21iX-series linear accelerator (LINAC), with associated CT simulator gantry (likely GE Optima CT580), bariatric treatment table, and Dorado laser system.

Vault type: Weller Construction built a high-density concrete shielding vault optimized for radiation oncology LINAC (high-energy beam shielding) / for Varian Clinac 21iX-series LINAC (high-energy X-ray beams, 6-25 MV).

Dimensions:

• Walls: 8 ft thick (all sides)

• Roof slab: 13 ft thick (above 10 ft ceiling)

• Floor slab: 3 ft thick (sits on -3 ft elevation)

• Pit: 13 ft 9 in deep x 5 ft 6 in wide (under gantry)

• Footprint: 36 ft x 32 ft overall (22’x13’x10’ height interior)

Concrete Reinforcement (Rebar Schedule)

• Walls: #8 bars @ 12” o.c. both ways, both faces (4 curtains noted)

• Roof: #6 bars @ 12” o.c.

• Floor: #7 bars @ 12” o.c. both ways

• Dowels/Laps: #6 @ 12” o.c., 3 ft min lap, 3” cover

Build Sequence Highlights

1. Excavate: To -4 ft, add crushed rock base (soils report required)

2. Pour Floor/Pit: 3 ft slab, align with existing floor (±1/4” lip)

3. Walls & Roof: Form/pour 8 ft/13 ft thick, tie to building trusses (8 ft spacing)

4. Supports: 4x4 steel tubes (HSS) w/ 5/8” epoxy anchors; 2.5 ft deep concrete saddles

5. Shielding Add-Ons: Steel plates in walls/roof; foam gaps; door recess (S4.1)

6. Finish: Grout pit base (147 lb/ft³, 2000 psi, 7-day cure pre-equipment)