Maple Strain Gage SOW.docx

Statement of Work Maple Strain Gage Alignment

PR# 2125405Y6175M96001

POC: LTJG Alaric, Gricius

SCOPE

Contractor to install the required instrumentation to provide a dockside strain gauge alignment measurement on the USCG Maple docked at the USCG Yard in Baltimore MD 21226. The goal of these measurements is to quantify the loading on each bearing and compare to previous measurements on this vessel. Period of performance on or around 9/16/25 The remaining measurement dates TBD.

Requirements

Strain gage alignment check. The Contractor must provide the services of a Consulting Engineer who is an expert in propulsion shafting alignment using strain gage alignment method to perform the propulsion shafting alignment check.

The Contractor must ensure that the Consulting Engineer has performed similar propulsion shaft alignments of like (or greater) horsepower, length and configuration. Provide proof of this experience to the KO at the arrival conference. The Consulting Engineer must develop a 225’ WLB propulsion mathematical model that is based on transfer matrix theory using the referenced documents. The Contractor must be responsible for developing and recommending an acceptable shaft alignment in accordance with the requirements in this specification.

An acceptable alignment is defined as the vertical and athwartships positioning of all shafting system bearings, such that satisfactory bearing loads and wear patterns on all bearings are achieved, including reduction gear bearings.

The Consulting Engineer must develop a mathematical model. As a minimum, the model must take into account the following characteristics of the shafting system: The characteristics of stern tube, strut and other bearings. Use manufacturer’s recommended clearance and compression (crush) data. • Dimensions of the propeller, propulsion shaft, couplings, thrust bearing, and reduction gear.• Limitation on the reduction gear bearing loading. • Bearing wear down. • Difference between docked and afloat conditions. • Bearing crush and radial clearance. • Permissible loads on all bearings.

For consistency with past alignments, the aft stern tube bearing (72” Thordon) must be modeled as two bearings. Half the bearing must be modeled at a point 9” aft of the stern bearings forward end. The other half must be modeled at a point 9” forward of the stern bearings aft end. The Consulting Engineer must undertake the appropriate numerical investigations, using the referenced documents. The shafting alignment analysis must provide, as a minimum, the following information: • Straight-line bearing reactions. • Optimum bearing reactions with associated slopes and deflections. • Influence Number Table. • Shaft slope, stress, and deflection at each bearing, flange, and concentrated load. • Location of maximum shaft stresses and deflections. • Whirling critical RPM. • Bearing weardown analysis.

Afloat pre-drydock strain gauge measurements. For alignment purposes, the Contractor must instrument and measure, using the strain gauge method, the static alignment of shaft with the cutter afloat under the guidance of the Consulting Engineer. This must be accomplished prior to the cutter arrival at the Contractor’s facility. The cutter must not be drydocked until the completion of this work in accordance with Definite Item “Drydocking Accomplish”. The plant must be in the cold condition. The Contractor and the CG Inspector must ensure that the fuel, water, and temporary ballast tanks (liquid loading) are filled to normal operating levels. The Consulting Engineer must carry out conversion of strain gauge readings to bearing reactions and offsets. The Contractor must submit a CIR

Drydocked (pre-work) strain gauge measurements. The Contractor must instrument and measure, using the strain gauge method, the static alignment of the shaft with the cutter in drydock under the guidance of the Consulting Engineer. The Consulting Engineer must carry out conversion of strain gauge readings to bearing reactions and offsets. The Contractor must submit a CIR.

Drydocked (post-work) strain gauge measurements. The Contractor must, after installation of the bearings and shafting system, take strain gage measurements and carry out conversion of strain gauge readings to the bearing reactions and offsets. Submit a CFR. The data obtained from all of these strain gage alignments must be used to document the before and after states of the alignment, as well as to serve as a baseline for future strain gage alignment checks.

Load cell measurements. Prior to drydock (afloat), then again in the drydock prior to removal of the shafting, the Contractor must measure the line shaft bearing loads using the load cell method. Submit a CFR showing the measured bearing loads.

CONTRACTOR FURNISHED ITEMS, SERVICES AND RESPONSIBILITIES:

General: The Contractor shall furnish all equipment and services required to perform work under this SOW, other than those explicitly addressed in government furnished services.

The Contractor shall report to the designated work site on the date specified on the written notification by the Contracting Officer in the form of a signed order. No other individual has the authority to direct the Contractor to begin work, other than a warranted Contracting Officer. Pending Coast Guard Yard production schedules, services may be required on an intermittent basis within the period and quantity specified.

Contractor Equipment: vehicles and tanks which holds or can hold hazardous materials that is left on CG Yard premises must have the Contractor’s contact information placed in the driver’s side window indicating the Emergency Contact Number (answered 24/7/365) for the owner/operator of the vehicle. If a tank is left on the premises, the Emergency Contact Number (answered 24/7/365) for the owner/operator of the tank must be painted on the tank in a prominent location. The government will not assume liability for any vehicles/tanks left on CG YARD property. The COR/SS will coordinate the location with the Yard Environmental/Security/Materials Handling.

RAPID GATE SECURITY REQUIREMENTS: Effective September 1, 2016, all contractors and subcontractors performing on this contract/purchase order/task order must utilize the RAPIDGate Program and/or Transportation Worker Identification Credentials (TWIC) if repeat access to the CG Yard is required for seven (7) or more days annually. RAPIDGate manages the non-Common Access Credential (CAC) eligible vendor/contractor companies and their employees who require access to Coast Guard Yard, Baltimore. Vendor/contractor CAC eligibility has been restricted to only those who require physical access to Coast Guard Yard AND logical access to a DoD or DHS network or system.

Vendor/contractor companies that require repeat (7 or more days annually) access to the CG Yard, pay an annual company enrollment subscription to participate in the RAPIDGate Program and an annual employee registration subscription for each employee to participate in the program. The company enrollment fee is waived for sole proprietors. Vendor/contractor companies must be approved by a government sponsor at each DoD and DHS installation where their employees require access. Vendor/contractor employees who are registered, undergo initial and regular vetting and are issued a single credential, which is valid for perimeter access to those DoD and DHS installations where access privileges have been granted. All company enrollments are submitted via the web at www.rapidgate.com and managed by phone or email. Initial employee registrations take place at a Program Registration Kiosk, typically located at participating DoD and DHS Installation Pass & ID Offices. The CG Yard’s Registration Kiosk is located at 2401 Hawkins Point Road, Baltimore, MD 21226, BLDG. 144, Security [brick building adjacent to the main gate]. Credentials will be available for pick-up at BLDG. 144 fourteen (14) days after the employee’s initial registration. Costs incurred for delays at the gate due to the contractor’s failure to comply with this requirement or to provide qualified, authorized personnel will not be reimbursed by the Government. Your tenant sponsor is, the Yard POC or Ship Superintendent listed at the beginning of this document. This sponsor will need a list of individual employee names and DOB’s with your quotation. Any RAPIDGate program questions should be directed to: 1-877-727-4342

General: The Contractor will be required to follow 29 CFR 1915 (OSHA Shipyard Industry Standard), 16 CFR1303, 29 CFR 1910, 29 CFR 1915.1025, 29 CFR 1926.62, 15 U.S.C. 2601, while performing this work at the U.S. Coast Guard Yard.

Safety Equipment: The area where this work taking place requires hard hats, safety harnesses and safety glasses at all times. The Contractor will provide all required personnel safety equipment for their employees, including, but not limited to, safety helmet and safety glasses with side shields. All safety equipment shall meet OSHA standards. The Contractor shall follow all applicable OSHA guidelines and regulations. It is also required that all COVID safety practices are followed.

ISO Qualifications: Contractor shall comply with all the U.S. Coast Guard Yard International Organization for Standardization (ISO) 9001 Quality Management and ISO 14001 Environmental Management Systems. The Contractor may be periodically audited to ensure conformity to these standards. If the contractor fails to perform as specified, the contracting officer may direct that employees be replaced or suspend work.

EMERGENCY SERVICES: The U.S. Coast Guard Yard has 24-hour first aid, spill response and fire protection available. If necessary, the Contractor may call 410-636-3993 from non-Yard phones and extension 3000 from Yard phones for emergency situations. Injuries shall be reported immediately and followed up with a written report to the COR.

ENVIRONMENTAL PROTECTION REQUIREMENTS: All contractors working on CG Yard shall abide by all federal, state, and local environmental regulations as published by the Environmental Protection Agency, 40 CFR (series) and the following Yard Environmental plans/policies:

Transport and Disposal: All material removed from tanks shall be taken off CG Yard property immediately after cleaning operations are complete. Material shall be processed in accordance with Section 10.2.2 before leaving the Yard. Prior to removing material, the Government environmental dept. reserves the right to inspect the transport vehicle status of contents, to ensure accurate quantities being removed from the CG Yard.

The Contractor must properly remove and dispose of all materials in compliance with applicable Federal, state, and local environmental laws and regulations. Contractor assumes all responsibility and liability for the transport and proper disposal of materials and in particular the following requirements:

a. If a spill occurs, the CG Yard Environmental Branch shall be immediately notified and can be reached at (410) 636-3111. The Contractor must also report the spill to the USCG Yard Main Gate (410) 636-3993 or YARD extension 3000 IMMEDIATELY. A letter describing the incident shall be submitted within 24 hours after the spill. During a spill, the Contractor will receive direction from the Yard Incident Commander/ Firehouse / Environmental or YARD/Vessel OOD.

b. The Contractor MUST follow the USCG Yard Facilities Response Plan, when operating on USCG Yard property.

c. Written notification must be provided to the Environmental Protection Specialist Brandace Timbers 410-636-3775, brandace.t.timbers@uscg.mil of any activity that could potentially cause an environmental violation. Some examples of these activities are: any activity that could result in a spill or discharge into a waterway or introducing a hazardous material into the environment.

d. The Contractor will be solely responsible for the transportation and proper disposal of waste material. Contractor must submit disposal sites to CG Yard Environmental Department for site approvals and copies of Bill Of Lading or waste manifests. If Contractor elects to use dumpsters for holding or transportation of waste, dumpsters must be covered to prevent waste from becoming airborne.

e. Only the Yard Environmental Dept is authorized to sign hazardous waste manifest.

GOVERNMENT FURNISHED ITEMS AND SERVICES:

Services: The Government shall provide material handling services to load and unload Contractor machinery and for the set up of equipment. The Coast Guard Yard shall provide timely assistance as requested by the Contractor. The Contractor shall provide 48-hour notice to the Government when there is a need for material handling services.

Utilities: The Government will provide water, compressed air, and electricity for the Contractor as defined herein. The Contractor shall instruct employees in utilities conservation practices. The Contractor shall be responsible for operating in such a manner that precludes the waste of utilities, for example turning off the water faucets or valves after using the required amount to accomplish assigned work.

Compressed Air: The Government shall provide a source of compressed air for Contractor machinery. The Contractor shall be responsible for ensuring that their compressed air hookup connections are compatible with the Yard’s compressed air sources.

Electricity: The Government shall provide up to 200 amps and up to 480 volts of electrical services.