503 SOW.pdf
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- Attached to
- Crane Repair/Replacement Federal contract opportunity
- Solicitation number
- N00173-24-RFI-MR11
About this file
This document contains a sources sought notice and statement of work for crane repair and replacement services. The Naval Research Laboratory is seeking information from capable sources to repair and replace crane number 503, including removing two top running trolley hoists, installing new bridge controls, radio, and festoon system components. Interested parties are requested to provide company information, technical capabilities relevant to the specifications, commercial availability of proposed items, and a product description highlighting how their solution meets the requirements. Responses are due by February 21, 2024 and should not exceed ten pages. The place of performance will be at the NRL facility in Washington, D.C. and the contractor's facility. This notice is for information gathering purposes only and does not guarantee the issuance of any solicitations or awards.
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Text version
GENERAL DESCRIPTION – SOW TO REFURBISH CRANE# 503 / NRL-A59
The contractor shall remove two top running trolley/hoists, install new bridge controls, radio, festoons system, bridge motors components as listed below. The contractor shall provide fully qualified NAVFAC P-307 certified personnel to perform all work and acceptance to ensure crane is in full compliance with the NAVCRANECENINST 11450.2A.
The contractor must perform necessary engineering services, generate submittals and drawings retain an approved Crane Alteration Request (CAR) from the Navy Crane Center prior to fabrication and installation.
REMOVE & REPLACE:
Two (2) top running trolley hoists
• Capacity: 15 ton Labeled Capacity: 30,000 Lbs.
• Lift available: 57ft. Lift required: 40FT.Number of Safety Wraps: 2
True Vertical Lift
• Rope: 4-PD 7/16’’ 6X37 IWRC
• Voltage - Line: 460-3-60 (NRL Code 3523.5 to verify voltage for order)
Control: 115v
• Hoist speeds & motor HP: 27FPM, Flux Vector, 30HP@1800RPM, continuous duty, TENV. motor with TAS
• Trolley speeds & motor HP: 75FPM variable speed, 1.5HP@1800RPM, 60 min. duty, TENV. motor with TAS
• Hoist and Trolley must be 5 speed
• Rail or Beam Size: 30# ASCE (NRL Code 3523.5 to specify rail size for order)
• Gage: 96’’
• Hoist Limit Switches: NEMA 4 Block upper. NEMA 12 Geared upper/lower
(Cam Style).
• Control enclosure: NEMA 4/12
• Hoist Brakes: A/C Disc type motor brake. LESS Mechanical load brake.
• Hoist run hour meter
• Drive Fault warning light and sounder.
• 3 position keyed bypass circuit for limit switch testing.
• 2 position keyed switch for hoist brake energizer for drive fault testing.
• 2 position overload bypass switch for load testing.
Remove and install the following items on the Bridge Crane
• New dual feed power and control festoon system including festoon, track, and hardware.
• Install two new bridge drive gearmotors with brakes.
• Install a new MLTX 5 Speed Radio Control system with 2 transmitters.
• New fused bridge level disconnect
• New Bridge Control Panel (5 speed VFD) o Control panel with 2 - 15 Amp internal GFCI Outlets o Removable Bi-fold doors o LED panel light (door activated) o Reinforced Panel with lifting lugs o Hour Meters bridge operations o Separate lighting and indicator panel to be mounted under walkway
(power available, mainline energized, horn, and bridge travel motion)
TIME SCHEDULE:
Project duration: 365 Days
CONSIDERATIONS:
The Contractor will provide cost breakout of Materials, Labor, Per Diem, Mileage, Specialized Equipment (Man-Lift / Scissor Lift), and any additional costs to complete project.
MRamirez Highlight
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