200 Andover Park E, Tukwila, WA

Suite 100 - 3,555 sqft of specialty office - 1,300 sqft Vault inside space. Suite 6 - In-Line 3,486 sqft - high ceilings, great exposure - do not disturb Tenants.

Easy Access to I-5 / 405 & SR-67 End-Cap Suite #100 Abundant / Free Parking PARK TENANTS WA State DMV Concentra Medical Sound Credit Union US Health Works VI Resorts Benca Dentistry​​ Walking Trails / Sit-down/Take-out restaurants, too many adjacent amenities to list Prior tenant was a Cancer Center specializing 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 type: High-density concrete shielded vault optimized for radiation oncology LINAC (high-energy beam shielding) / for Varian Clinac 21iX-series LINAC (high-energy X-ray beams, 6-25 MV) or similar. Prior Vault equipment: The vault housed a 2011 Varian Clinic 21iX-series linear accelerator (LINAC), with associated CT simulator gantry (e.g. GE Optima CT580), bariatric treatment table, and Dorado laser system. Dimensions/Specs: • Neutron shielded, ksi 50 grade steel, lead and polyboran shielding throughout. • Automated 71” door, w/ 48” doorframe • 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)