Attachment 1 - Big Blue Electrical Repair SoW - 20 April 2023.pdf

STATEMENT OF WORK

45 TON WASHINGTON IRON WORKS PORTAL

CRANE ELECTRICAL CONTROL REPLACEMENT

Joint Base Charleston (JB CHS) - Weapon Station (WS)

Goose Creek, South Carolina

1. GENERAL INFORMATION: The Government's requirement is to replace the existing DC crane electrical and control system on 1969 - 45 Ton Washington Iron Works Portal Crane located at Joint Base Charleston, Goose Creek, SC. The Contractor shall replace the DC control system and components for the Luffing Hoist, Main Hoist, Auxiliary Hoist, Rotate, and Gantry Travel.

Refurbish existing DC motors or replace as needed for the Luffing Hoist, Main Hoist, Auxiliary Hoist, Rotate and Gantry Travel. Repair/replace operators cab flooring to support the installation of a new control chair to control all crane operations. Remove all old wiring and conduit and install new wiring and ridged watertight type conduit to support newly installed control systems and control chair. Replace all existing interior and exterior lights with environment appropriate LED light fixtures and replace the existing wiring transformer and associated components. Upgrade the cab with new AC/Heater Unit, power outlets, and wiring. Install a minimum of 2 cameras in the machine house and monitoring system in operators cab.

2. CONDITIONS: Contractor shall perform all replacements and repairs in accordance with all applicable requirements and recommendations in accordance with (IAW) the requirements of the Original Equipment Manufacturer (OEM), American National Safety Institute (ANSI), American Society of Mechanical Engineers (ASME) and Occupational Safety and Health Association (OSHA).

The contractor shall have a current Occupational Safety and Health Administration Maritime Certification. The contractor shall have the mechanical, electrical, and structural engineering service capability to support this project.

2.1. Location:

Joint Base Charleston - Weapon Station 2567-2575 Red Bank Road Goose Creek, SC 29445

3. PERFORMANCE REQUIREMENTS: The Contractor shall furnish all labor, supervision, materials, supplies, tools, and equipment needed to complete required work. The contractor must provide an experienced on-site project manager with documented crane experience. This project manager must be on-site anytime work is being performed. All repairs will be executed in accordance with applicable laws, regulations and industry standards.

The Contractor shall adhere to all safety guidelines within ASME, ANSI, and OSHA. All work shall be performed in accordance with the technical specifications described under other paragraphs of this specification. All replacement parts shall be at least equal to the original manufacturer’s specifications. All software and licenses agreements must be supplied with the control system and Microsoft supported.

4. REPLACE CURRENT DC CONTROLS WITH NEW DC SPEED CONTROL PANELS AND

CONTROLLERS:

4.1. The Contractor shall provide trained personnel to remove the existing DC controls and install new controls with plug braking capability for Luffing Hoist, Main Hoist, Auxiliary Hoist, Rotation and Gantry Travel. All control panels will have panel lights, and a method to keep panels cool (i.e. cooling fans). All controls shall be wired, and wires shall be labeled to allow for quick identification. All control panels and wiring shall meet National Electrical Code standards. Panels and all installed electrical circuits shall be equipped with circuit protection devices.

4.2. The Contractor shall install adequate control and motor protection i.e. conditioners, transformers, and resistors as required. New wiring must be installed to and from control panels, motors, breakers, and drive controllers.

5. The Interior of Crane cab will be gutted of all components that are to be replaced or no longer needed during the electrical upgrade. Cab wood floor will be repaired or replaced to accommodate installation of new operator’s chair and new operator controls. Install climate control system (heat/AC) in cab area.

6. The contractor shall remove all DC motors to prep for replacement or rebuild as required per contractors submitted proposal. If reused all motors must be dismantled, cleaned and inspected, electrically test windings, high voltage potential test and surge test, armature test, measure and record mechanical fits to the nearest thousandth of an inch using precision micrometer and caliper tools, turn and undercut commutator, balance rotating parts, clean test and adjust brush holders install new bearings and brushes, return and assemble, test run and paint switches, and other necessary repairs to bring the motors into prime working condition. Replacement parts shall be at least equal to the original manufacturer’s specifications.

7. Replace supporting control components, limits, and lighting.

8. The Contractor shall replace all switches, limit switches and relays with new components.

9. The contractor shall install a new Auxiliary Lighting transformer and distribution panel as required to support all new AC Lighting fixtures and power outlets.

10. The contractor shall install new environmental appropriate LED lighting fixtures on interior and exterior of the crane.

11. The contractor shall install new 115 VAC wiring and outlets in the cab.

12. The contractor shall install a new commercial grade mini-split A/C-Heat unit in the cab.

13. Install a minimum of 2 cameras in the machine house and monitoring system in operator’s cab. Cameras shall provide viewing of the machine house during operation.

14. Documentation and Testing:

14.1. The Contractor shall perform startup and testing. Startup must be supported by on-site factory representative.

14.2. The Contractor shall perform an operational test and load test. Prior to load testing the contractor shall ensure a qualified engineer certifies that the crane is in a state of readiness and ready to execute a load test.

Load test must be in accordance with OEM recommendations and at least 100% of rated capacity. All documentation for load test shall be submitted to government representative.

14.3. The Contractor shall provide 8 hours of operator training with Air Force crane operators, and at least 16 hours of mechanical training for Air Force crane mechanics. This training must be conducted by a factory representative.

14.4. The Contractor shall provide drive support software for new DC drives, two complete sets of electrical drawings, and complete bill of materials.

15. PERIOD OF PERFORMANCE: All work shall be completed and accepted by the Government within the period of performance offered by the Contractor at the receipt of their offer and established at the time of award. If the contractor exceeds the established period of performance, the contractor will be responsible for the costs associated to of crane operations in order to support mission requirements.

16. WARRANTY: The Contractor shall warrant installation workmanship inclusive of labor, design, and/or software for a period of one year after government acceptance. The Contractor shall provide all equipment manufacturer warranties prior to final acceptance. Material found to be defective, not meeting specifications, or which has not been approved in writing by the government representative shall, upon discovery (including any time within the warranty period), be replaced with equipment or material meeting SoW specification and requirements.

17. SUBMITTALS: The contractor shall submit for approval all materials and equipment for government review and approval, prior to incurring cost to order and receive proposed material and equipment. Each submittal shall include the Contractor’s certification the proposed material and equipment conforms to all SoW requirements. Once a submittal is approved by the Government, the Contractor shall not substitute materials or equipment without first obtaining Government approval through the submittal process.

Government approval of a submittal shall not relieve the Contractor from performance requirements of the SoW.