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