SOW_Spec_V2_.pdf

Attachment to Solicitation No. W912BU-17-T-0011 Amendment 0001

STATEMENT OF WORK

C001 PURPOSE

The Army Corps of Engineers, Marine Design Center, (MDC), is issuing this solicitation for the acquisition of two new marine deck cranes. The cranes will be placed in service on the boat deck level and will replace the existing stores cranes on the port and starboard (stbd) side of the Dredge ESSAYONS in the Portland, Oregon operating area.

All of the requirements in this solicitation apply the same to both cranes.

C002 REGULATORY STANDARDS

The manufacturer shall design and construct the cranes in conformance with the following standards:

• Cranes shall be designed and built in accordance with API 2C 7th Edition and shall be supplied with the API 2C Monogram

• Cranes shall be designed and built in accordance with ABS Guide For Lifting Appliances

• US Army Corp of Engineers’ Safety Manual: EM385-1-1

C003 ABS Review & Third Party Verification of API-2C

The contractor shall have ABS review the cranes for ABS compliance.

The contractor shall also have ABS perform a Third Party Verification of the cranes for API-2C Compliance

The Contractor shall provide to the Contracting Officer's Representative, approved and stamped copies of all drawings and documents reviewed by the ABS, with all comments resolved (if applicable). The documents shall clearly indicate that ABS verified the cranes meet both standards.

C004 PURCHASER SUPPLIED INFORMATION PRIOR TO PURCHASE

The following information is supplied to the Offeror for correctly sizing the cranes sought in this solicitation:

a) Safe working load (SWL) at desired lifting radius :

a. Minimum 4,000 lbs SWL between a maximum working radius of 35’ and a minimum working radius of 8’

b) Type of lifts – onboard and offboard lifts:

a. Offboard lifts in calm water only

i. 99% of offboard lifts are from a protected dock in calm water

ii. 1% of offboard lifts (rare) are to (or from) another vessel while underway in calm water

b. Onboard lifts while underway in calm water only.

c) Boom Length and configuration – fixed length, minimum and maximum for telescopic or folding and articulating boom crane; –

a. 35 foot fixed boom

d) Type of Vessel the cranes are installed on – bottom-supported structure, ship and barge in calm water, tension leg platform, spar, semi-submersible, drill ship , or FPSO in accordance with Table 3, Table 4, and Table 5;

a. Ship in calm water

e) Crane elevation from heel pin to mounting deck and from mounting deck to mean sea level (MSL)

a. Each pedestal shall extend from the poop deck up through the boat deck such that the slewing gear is located approximately 6’6” above the boat deck level

b. The distance from the poop deck level to the boat deck level is 9’

f) Significant wave height(s) for crane operation

a. Vessel operates primarily on the Columbia River :

Significant Wave Height: 1 ft

g) Wind Speed(s) for crane operation

a. Maximum Wind speed for safe crane operation: 30 Knots

h) Crane Calculations and Ratings Method- General method, Vessel-specific Method or

Legacy Dynamic Method in accordance with Section 5 loads and all associated design parameters specific to the chosen method calculation; and

a. General Method

i) Crane Duty cycle classification – in accordance with Section 7

a. Production Duty

j) Hazardous area classification for crane and crane boom in accordance with Section 7

a. None

C005 DESIGN LEVEL DRAWINGS AND DATA

Reference Drawings

681-700-123 SCANTLING PLAN UPPER DECK

681-700-124 SCANTLING PLAN FOCSLE, TOP OF HOPPER & POOP DKS.

681-700-125 SCANTLING PLAN BOAT DECK AND ABOVE

681-700-201 GENERAL ARRANGEMENT OUT BOARD PROFLE

The following information shall be provided within 30 days after receipt of Notice to Proceed so that the Army Corps of Engineers - Marine Design Center, can perform structural calculations to and begin to design the connection of each crane’s pedestal to the poop deck and boat deck. The information is imperative to validate the adequate performance of the cranes on the vessel in order to ensure that the vessel’s structure can support the offered cranes. Note that this information is separate from and additional to the Proposal Technical Features Requirements.

All drawings shall be prepared in CADD form, and shall conform to the American National Standards Institute (ANSI) Standard Y14. Drawings shall be flat, folded to 8-1/2” x 11” size and trimmed to within 1/2” of the outer border. Drawing size shall be format A (horizontal or vertical) or D as defined by ANSI Y14.1. In no case will drawings of any other size or format be accepted. Title blocks shall conform to ANSI dimensions and shall be submitted to MDC for approval before use. Drawings of two or more sheets shall have follow-on sheets titled according to ANSI Y14.1 for continuation sheets and shall not be separately titled.

The Contractor shall provide to the Contracting Officer's Representative copies of all documents in accordance with American Petroleum Institute (API) 2C Section 4.1 including all drawings, calculations, pertinent design documents, as well as all pre and post Contract correspondence between the Contractor and the API (if applicable) or the Contractor and ABS.

All of the following technical information shall be provided:

Pedestal

The following technical information on the Pedestal shall be provided to MDC:

• The weight of the pedestal is = __

• The height of the pedestal is = __

• The diameter of the pedestal is = __

• The material the pedestal is constructed from is = __

• The vertical distance from the base of the pedestal to the center of gravity of the pedestal is = __

• The weight of any other item(s) attached to the pedestal is = __

The contractor shall include details on the bolting flange, brackets, bolts and hardware that the contractor will provide upon delivery.

Upperworks Weight and CG

The Upperworks as used here, shall include the rotating works, hydraulic power unit and all other rotating components of the cranes, to include the hydraulic lift cylinders.

• The weight of the upperworks is = __

• The horizontal longitudinal distance from the axis of crane rotation to the center of gravity of the upperworks is = __ (positive if measured to the side opposite the boom)

• The horizontal transverse distance from the axis of crane rotation to the center of gravity of the upperworks is = __

• The vertical distance from the boat deck level of the pedestal to the center of gravity of the upperworks is = __

Boom Weight and CG:

• The horizontal distance from the crane rotating axis to the boom heel pin is = __

• The vertical distance from the boat deck level of the pedestal to the boom heel pins is =

• The weight of the 35 ft boom is = __

• The straight distance from the boom heel pin to the center of gravity of the 35 ft boom is

Crane Weight and Overturning Moment:

The Contractor shall identify the overturning moment and weight of the cranes provided.

Based on the information provided, the Marine Design Center will perform calculations on the adequacy of the deck structural strength. For this purpose the crane manufacturer shall provide the overall maximum wet weight of the cranes and the maximum overturning moment of the cranes.

Connection of Pedestal to Vessel

The contractor shall provide welding design details for the connection of each pedestal to the vessel. Each pedestal will be welded to the vessel by the shipyard as follows:

The base of each pedestal will be welded to the vessel’s poop deck by the shipyard. At a 9 ft elevation from the base, the pedestal will also be welded to the vessel’s boat deck by the shipyard.

For reference a general arrangement drawing was provided by the government. This drawing shows the location of the existing stores cranes on the vessel (frame 147). The new cranes pedestal will be welded to the poop deck near the existing cranes.

Also for reference, the scantlings drawings for the poop deck, boat deck and upper deck (one level below poop deck) were provided by the government.

Engraved Load Charts:

The Contractor shall provide a draft of the proposed flat load charts that will be permanently engraved on the cranes.

Additional Documentation:

The deliverables listed below shall be provided prior to final acceptance of the cranes by the Government.

Two (2) electronic copies of the following documents shall be provided. These must be a CD/DVD format due to hardware restrictions on government computers. In addition, printed and bound hard copies of the following manuals (quantity in parentheses) shall be provided:

• Crane Operator’s Manual (3),

• Crane Parts Manual (3),

• Crane Capacity Manual (3),

• Crane Service Manual (3),

• Crane General Arrangement Drawing with Weights and Centers of Gravity (1) and overturning moment,

• Wire Rope Certificates of Compliance in accordance with B30.8 (1),

• Any system drawings not included in the above list (3).

C006 Crane Required Capacities

Main Hoist Lift Capacities:

The cranes shall meet the following capacity:

• Minimum 4,000 lbs SWL between a maximum working radius of 35’ and a minimum working radius of 8’

• The cranes shall be rated to perform the following lifts:

o Offboard lifts:

99% of offboard lifts are from a protected dock in calm water 1% of offboard lifts (rare) are to or from another vessel while underway in calm water o Onboard lifts while underway in calm water

The cranes shall have flat load charts and be designed to lift and slew a single, fixed capacity load at all radii within the working range.

The cranes shall be rated to perform lifts in an operating temperature of 15° F to 120° F.

The cranes shall be capable of performing these lifts with the 35’ boom, in a floating service condition and be rated for a 3 degree sidelead angle and 5 degree offlead angle.

The crane manufacturer is required to provide all crane load capacity tables for operation of the hoists that can be considered at a 3 degree sidelead angle and 5 degree offlead angle. All load charts shall be in the English language using Imperial units (feet and lbs).

The load charts shall be engraved in metal on each crane near the operator’s station (local controls).

C007 CRANE HYDRAULIC POWER UNIT

The cranes shall be hydraulic. The contractor shall provide one electric driven hydraulic power units (HPU) to power each crane. The HPU motors shall be 480 VAC 3 phased 60 Hz marine grade motors. Motor heaters shall be provided.

The hydraulic reservoirs shall have electric heaters.

All motors shall be drip-proof protected, except those exposed to the weather, which shall be of waterproof construction. All motors shall be NEMA type, and shall be sized and designed for continuous operation of the driven auxiliary at rated capacity.

All motors shall be designed for an ambient temperature of 50 degrees C.

All motors shall be equipped with anti-friction bearings. All motors using grease lubricated bearings shall be provided with grease fittings and shall have positive means for preventing grease from being forced out upon the motor windings.

Each HPU and reservoir shall be configured so that it can be mounted separate from the crane on the poop deck level near the base of the pedestal. The HPU and reservoir shall be enclosed in a weathertight, removable enclosure. The weathertight removable enclosure, HPU and reservoir shall fit within a 5’ x 5’x 6’ footprint.

The hydraulic reservoir shall have a sight glass configured such that the reservoir level is visible from the exterior of the enclosure.

The HPU shall have all alarms and shutdowns as required per the design standards.

All hydraulic fittings shall use stainless steel fittings. The hydraulic fittings shall be protected with densyl tape to protect them from the effects of weather and salt water. All hydraulic hoses shall utilize stainless steel hose ends.

C008 CRANE CONTROLS

The following crane controls shall be provided for each crane:

• Local controls mounted on the side of the crane (Direct lever type).

o Local motor controller

• Anti-two block (Minimum required by API-2C)

• Rated Capacity Hoist Limiter o To prevent cranes from picking up loads that exceed the crane’s rated capacity

• Local list and trim indicators mounted on crane o One transverse and one longitudinal o Non-electrical type (minimum required by API-2C) o 10 degree maximum reading o Red, yellow and green paint marks to indicate safe list and trim ranges

The contractor shall protect all controls from both electro-magnetic and radio frequency interference.

The local controls shall have a water proof enclosure.

C009 CRANE DRUM

Each crane shall be provided with a single main hoist drum.

The main hoist drum shall be sized to hold sufficient wire rope to allow the load block to reach 80 feet below the boom tip at full height.

C010 CRANE PEDESTAL

The contractor shall supply a pedestal for each crane. The pedestal shall be considered to be all non-rotating components of the crane.

Pedestal

For each crane, the contractor shall provide a pedestal which extends from the poop deck level up through the boat deck level such that the slewing gear is located approximately 6’6” above the boat deck level.

The distance from the poop deck level to the boat deck level is 9’.

Each pedestal will be supported at its base by the existing underdeck crane foundations on the poop deck and will also be supported at a 9 ft elevation from the base by the boat deck. The boat deck shall provide horizontal support only.

C011 CRANE SWING SYSTEM

Each swing system shall be fully revolving (360 degrees, continuous) and rated for a minimum swing speed of 1 RPM.

C012 CRANE BOOM

Each crane boom shall be all welded steel one piece construction. Each boom shall be provided with rope guides and a mechanical boom angle measuring device (boom angle indicator).The boom angle indicator shall be of the non-electrical type. Each boom shall be 35 feet in length.

Each boom shall be equipped with a boom light located at the boom tip and shining down.

C013 CRANE LOAD BLOCKS

The cranes shall be provided with a single part block sized for the maximum capacity of each crane. The blocks shall be designed and marked in accordance with ASME B30.8.

C014 WIRE ROPE

Each crane shall have a single part line with sufficient wire rope to reach 80 feet below the boom tip at full height.

All wire rope shall be furnished with certificate stating its conformance to the requirements of

ASME B30.8.

All wire rope required for rigging the cranes with the 35 ft boom and load block shall be provided.

The crane shall have a single part line with headache ball.

C015 CRANE TESTING

Crane load testing shall be performed by the manufacturer at the manufacturer’s facility as part of Factory Acceptance Testing. Load and operational testing shall be repeated after each crane is assembled at the delivery location. The crane load testing at the manufacturer’s facility and operational testing onsite shall both be witnessed by a QAR. The contractor shall notify the government of the factory load testing date at least 10 days before it occurs. All testing shall conform to section 16.F of EM 385-1-1. The contractor shall supply all test weights for the Factory Acceptance Testing at the manufacturer’s facility. The test weights shall be certified in accordance with the industry standard. The shipyard or government shall supply the test weights for the operational testing at the shipyard.

CRANE LOAD TESTING

Proof load test the crane main hoists by lifting the certified test load and booming out to the corresponding maximum working radius.

• Test cranes in accordance with API 2C requirements and ABS requirements.

• Demonstrate power down capability. Raise and lower the proof load, and smoothly stop and start hoist movement at least two times in each direction to demonstrate satisfactory operation of the hoisting system.

• With the test load suspended, the operator shall raise the boom to the maximum permissible boom angle, (minimum radius). During this maneuver, the operator shall smoothly stop the boom and hold the load at least two times booming up and two times booming down.

CRANE OPERATIONAL TESTING

The contractor shall demonstrate the capability of the cranes to swing unloaded at or above the rated speed. This test shall be performed in both directions. All crane operational testing shall be performed in accordance with API 2C requirements and ABS Requirements.

C016 CRANE DELIVERY

Following satisfactory completion of all tests and correction of all deficiencies at the manufacturer’s facility, and receipt of all contract deliverables, the contractor shall prepare the cranes for transport and deliver the cranes to the following location:

USACE US Moorings 8010 NW St Helens Rd Portland OR 97210.

C017 ASSEMBLY

Each pedestal shall be delivered as a loose piece, without the crane rotating works/boom attached. The shipyard will install the pedestal on the vessel (at the shipyard in Portland (OR)) and then install the upper works to the pedestal.

The cranes shall be provided with the manufacturer’s standard coating system for marine applications.

The contractor shall provide the bolting flange and brackets and/or any hardware (including bolts) needed to mount the upperworks to the pedestal. The contractor shall provide a technical representative(s) to direct and supervise unloading and assembly/installation, and perform all testing in accordance with the shipyards maintenance schedule for the ESSAYONS. The contractor will be required to be present onsite for approximately 10 days during assembly. The shipyard will provide the labor and equipment required to install both cranes.

C018 FINAL TESTING AND ACCEPTANCE

With the cranes assembled on the vessel, all tests required under sections C014 shall be repeated to the satisfaction of the government representative.

Final Acceptance of the cranes shall be made following successful testing of the cranes on the vessel and upon verification that the contractor has delivered the cranes “Assembled and Ready for Service” as defined below.

Prior to Final Acceptance, the cranes shall be clean inside and out and:

• All trash and delivery related material has been removed and disposed of by the contractor.

• All loose items of outfit are in their proper place.

• All electrical and mechanical systems are operational.

• All equipment has been properly adjusted and instruments and electronics are calibrated or aligned.

• All fluid consumable tanks are filled up.

• All paint damaged has been repaired. The contractor shall provide additional touch-up paint to the shipyard as required.

• All manuals, special tools, maintenance tools, special adjustment tools and monitoring equipment have been delivered.

C019 TRAINING

The Dredge ESSAYONS operates with two crews that alternate work weeks on the dredge. The contractor shall provide a minimum of two days of training for each of the two crews on the vessel for a total of 4 days of training. The four total days of training shall occur over two weeks to ensure that each crew receives 2 days of training.

C020 LOCAL SERVICE PROVIDER

An approved service provider and parts supplier shall be identified within 600 miles of the location of final delivery. The manufacturer shall indicate the name and location of the supplier along with a designated contact person in their proposal.

In addition to the crane parts manual submitted, the contractor shall provide a recommended list of common service items for maintenance shop stock.

C021 CRANE WARRANTY

Each crane’s warranty shall extend for one year from the date when the contractor has delivered the cranes “Assembled and Ready for Service”, and the Contracting Officer’s Representative has issued Final Acceptance.

During the warranty the contractor shall be responsible for repairing and/or replacing all items of equipment or systems that are found defective or that have become inoperative.

C022 CONTRACT DURATION

The contractor shall have 180 calendar days from the issuance of Notice to Proceed to construct, test, and deliver the cranes in accordance with all of the provisions of this specification.