ISO CLASS 1 / FED-STD-209E • WAFFLE-SLAB LOAD-IN • AIR-CASTER RIGGING

Semiconductor Fab Cleanroom Rigging & Load-In Audit

Quality hold points and structural verification for rolling and hoisting 20T to 40T High-NA EUV modules, tracks, and subfab vacuum systems across raised cleanroom pedestal flooring without particulate generation.

Fab Readiness Score

Pending Inspection

Hold Points Cleared

0 / 16

Rigging Steps Verified

Max Floor Point Load

≤ 42.5 kPa

Waffle-Slab Floor Limit: 50 kPa

Cleanroom Ingress Status

HOLD • PRE-LOAD-IN AUDIT

Wafer Fab Facility Director

Raised Waffle-Slab & Floor Capacity

Pedestal Understructure Shoring & Diagonal Bracing

Heavy-duty structural screw-jack pedestals under load-in path reinforced with tubular diagonal seismic sway struts.

Load-Spreading Steel Bridging Plates (Aircraft Grade)

25mm thick 6061-T6 aluminum or high-yield steel deck plates laid over perforated tiles to distribute air skate footprint.

Maximum Floor Deflection Monitoring (≤ 0.25mm)

Linear variable differential transformers (LVDT) deployed under waffle slab to measure live deflection during heavy roll-in.

Subfab Cable Tray & Pipe Clearance Verification

Direct line-of-sight visual check confirming zero impingement on chemical distribution piping (UPW/chemicals) beneath floor.

Air-Caster Pneumatic Transload Gear

Cleanroom-Grade Polyurethane Air Skates Tested

Four 15-ton Hovair pneumatic air casters inspected; zero scuffing, oil-free air delivery at 6.0 bar regulated pressure.

Clean Compressed Dry Air (CDA) Flow Capacity ≥ 180 CFM

Primary CDA supply line pressure verified with secondary nitrogen bottle back-up cart online to prevent hover loss.

Precision Guide Tugs & Tethered Brake Straps

Zero-emission electric tugs with soft-start acceleration coupled to High-NA mainframe to prevent uncontrolled floating drift.

Emergency Stop Pressure Relief Interlock

Quick-release dump valve tested: instantly vents air caster bladder to seat equipment safely onto floor in < 0.5 seconds.

Cleanroom Airborne Contamination Control

ISO Class 1 Particle Sniffer Airborne Verification

Laser particle counter confirms ≤ 10 particles/m³ ≥ 0.1 μm within the tool bay envelope during equipment entry.

Non-Shedding Ultra-Pure Gowning & Air Shower Cycles

Full cleanroom bunny suits, double nitrile gloves, and 45-second high-velocity HEPA air shower cycles verified for all crew.

Tool Casing Isopropyl Alcohol (IPA) Swab Sanitize

Outer stainless steel transit envelopes cleaned with 99.9% semiconductor-grade IPA in transition ante-room.

HEPA Fan Filter Units (FFU) Max Laminar Flow

Ceiling FFU grid operating at 100% velocity (0.45 m/s) providing unidirectional vertical laminar flow above tool bay.

Seismic Foundation & Metrology Leveling

Vibration-Isolated Bedrock Plinth Inspection

Tool seismic block isolated from fab waffle slab via VC-E elastomer elastomeric springs verified with spectrum analyzer.

Laser Tracker Metrology Alignment (±0.05 mm)

Leica AT960 laser tracker aligns scanner frame fiducials relative to fab global wafer exposure grid.

Seismic Tie-Down Anchor Torque Certification

Calibrated digital torque wrench verifies M24 stainless anchor studs torqued to specified 320 Nm ±2 Nm.

Tool Handover Sign-Off to ASML / Fab Site Team

Formal sign-off of tool load-in checklist by Exspeedite Rigging Superintendent and Fab Equipment Operations Director.

Transmit Cleanroom Rigging Audit

Submit this checklist directly to the Exspeedite Semiconductor Logistics Engineering group for final load-in approval.

Fab Rigging Superintendent / PE *

Corporate Email *

Wafer Fab Facility & Bay

Equipment Module & Gross Mass

Cleanroom Exceptions & Metrology Deviations