Industry:
Metals Processing
Location:
West Virginia
Duty Cycle:
CMAA Class C
Project Description:
One (1) new 15-ton capacity, top-running, double girder, 3-motion, EOT crane engineered for indoor moderate service. This unit features a 40′ span and 20′ lift, designed for operation in ambient conditions between 60°F and 120°F. One crane of 12 in order.
Application Highlights:
The crane was manufactured with full walkways, service platforms, and fall-prevention tie-offs for safe maintenance access. With radio remote control backed up by pendant operation, and comprehensive audible/visual warning systems, it delivers reliable day-to-day operation.
Technical Specifications:
- Capacity: 15 tons (30,000 lbs.)
- Span: 40′-0″
- Lift Height: 20′-0″
- Service Classification: CMAA Class C – Moderate Service
- Main Reeving: 2-part double reeved, IWRC, EIPS wire rope
- Operation: Radio remote control with backup pendant
Mechanical Features:
- Welded box girder bridge construction
- Fabricated tube end trucks
- Full-length footwalk on G1 girder with OSHA-compliant handrails, intermediate rails, and toe boards
- Service platform on G2 girder with handrails, toe boards, and tie-offs
- Crossover walkway with dual handrails and access steps
- A-4 bridge drives and A-4 trolley drives
- Motorized hook block for powered rotation
Electrical & Safety Features:
- Unitized controls in NEMA 12 air-conditioned enclosure
- Bridge and trolley motion: Variable Frequency Drives
- Hoist: Flux vector control
- Energy track cable conductor system
- Motion-activated audible warnings for bridge & trolley
- Operator-controlled audible warning device
- Two (2) LED status lights
- Four (4) red LED drop zone lights
- Boarding gate interlock switch
- Cable reel mounted on trolley for below-the-hook device
- Radio control with 2-step buttons
- Magnetic mainline contactor and branch circuit breakers
- Control transformer with fuse protection
- Wiring tagged and landed to terminal strip
Installation & Service:
- Perform commissioning and installation, including runway rail, and connection to facility power
- Install bridge and trolley hoist, test wiring and mechanical connections
- Startup crane in manual operation and perform performance testing, including load testing to 125% of rated load
- Provide final inspection report upon completion