Checkout Cells

The three 10,000 (ISO 7) clean 35’ x 44’ (13.8m x 17.3m) Payload Checkout Cells are serviced by a 75 ton bridge crane with 81’-4" (32m) hook height. Each cell also has 5 ton crane support with hook height of 71’-11" (28.3m). Access to each cell is through doors from the Highbay with a total horizontal opening of 21’-2" (8.4m). Each cell has independent HVAC systems and supports cascading air pressurization.

GN2 and GHe are supplied by K-bottles or tube banks.

* 75 ton crane with micro-drive services all cells and the Highbay

* 5 ton crane with micro-drive in each cell

* Class 10,000 clean (1,000 functional)

* In addition to the cell floor at Level 69, there are six platform levels in each of the three Processing Cells - 79', 89', 99', 109', 119' and 129'

* Finger platforms for adjustable diameter segments

* 125, 120/208 and 480 VAC power

* Facility and technical grounds

* Emergency power cut-off

* Emergency showers and eye-wash at each level

* Class 1 Div II compliant

* Elevator / corridor access for GSE (4' X 6' X 7' envelope 4,000 lbs. max)

* Shop Air, High- and Low-Pressure GN2, and high-pressure He

* Central Vacuum System

* Explosion-proof fixtures

* Continuous monitoring and alarm of Particle Counts, Humidity, Propellants, Hydrocarbons, Positive Pressure and Temperature (oxygen sensor in Cell 1)

* ESD dissipative, fuel, oxidizer, and cleanroom compatible epoxy paint on floor

* 80db RF shielding in Cell 3 (0-18 GHz)

* CCTV capability

* Timing and Countdown displays in Cell 3

* OVS capability

* Telephones

* Single and multi-mode fiber optic and Cat 5 interfaces

* Single & multi-mode fiber optic interface (Cells 2 & 3)

* Fuel vent

* Major and Minor Spill containment and Emergency Exhaust

* 120 gal propellant emergency evacuation

Checkout Cell #2 Floor (Level 69).

Finger platforms are all fully extended from Level 79 for cleaning. Fold down platforms on Level 89 are just visible top center.

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