AM_0002.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The above numbered solicitation to drydock and repair the Dredge Wheeler is hereby amended as follows:

1.) Incorporate the attached revised Section B 2.) Incorporate revisions to Specifications as shown on the following pages 3.) Incorporate attached drawings referenced in the revisions to Specifications 4.) Provide answers to contractor questions

Bid Opening Date is extended to Monday, 21 August 2017 at 2:00pm local time. Deadline for questions is 9 August 2017.

1. CONTRACT ID CODE PAGE OF PAGES

J 1

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 28-Jul-2017

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912P817B0032

X 9B. DATED (SEE ITEM 11)

19-Jul-2017

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

28-Jul-2017

CODE

CONTRACTING DIV- CHIEF

CORPS OF ENGINEERS 7400 LEAKE AVENUE

NEW ORLEANS LA 70160-0267

W912P8 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

Item Description Qty. U/I Unit Price Amount

0001 Berthage, Drydocking, and Services 1 jb

0002 Sea Chests and Gratings 1 jb

0003 Sea Chests Strainers 1 jb

0004 Sea Valves 1 jb

0005 Anchors and Anchor Chains 1 jb

NOT USED

0006 Hopper Doors 1 jb

0007 DD-7.1 Hopper Door Top Insert Plates Renew 10 ea

0008 DD-7.2 (Optional) Hopper Door Side Plates Renew 10 ea will be incorporated into any resulting contract. Failure to request the applicable DOL Wage Determination from USACE before submi of a bid will render the bid non-responsive and the bid will be rejected.*** reference and any product or commodity that will satisfy solicitation or contract

DD-3

DD-4

DD-6

DD-5

DD-7

SECTION B

SUPPLIES OR SERVICES AND PRICES/COSTS

to insert descriptive words or abbreviations such as "no charge" or "N.C."

NOTE 1: The bidder is required to bid on all line items. Failure to submit a bid on all such line the actual Quantity (Qty.) used - (U/P x QTY).

Contract Line Item 0001.

0001 DD-1 Berthage, Drydocking and Services before submitting a bid will not be considered cause for claim against the Government.

NOTE 7: Contractors must be registered in SAM.gov to receive a contract award.

NOTE 6: See solicitation Clause 52.228-16 "Performance and Payment Bonds -

DD-2

manufacturer's specifications or information sheets delineating those like characteristic

DD-1

NOTE 8: Bidders are required to contact the USACE Contract Specialist to request the applicable DOL Wage Determination for their parish

Spec.

Requests shall be sent via email to Lauren Gandolfi at lauren.a.gandolfi@usace.army.mil. The current applicable DOL Wage Determina

Other than Construction" in Section I.

The date for examining the vessel is scheduled by appointment. All arrangements shall be made with Mr. Victor M. Garcia, (504) 862-2366 prior to the scheduled date. Failure to examine the vessel

The citation "0001 DD-1" gives the necessary information for proper bid preparation for

Payment shall be calculated by multiplying the bid Optional (U/P) by

NOTE 5: The use of any particular product or commodity name is only given as a point of items shall result in a non-responsive bid, requiring rejection thereof. In event that a bidder is willing to waive costs associated with an individual line item, he is require with the provisions located in SECTION H, at paragraph H-2, "Optional Item."

EXAMPLE

NOTE 3: All requirements in the schedule under the ITEM and Description/Specs./Work Statement."

ITEM Spec. DESCRIPTION

NOTE 2: Prospective bidders are encouraged to examine the vessel prior to bid opening.

NOTE 4: Payments for items identified as (Optional) will be paid in accordance performance requirements may be offered. It is further requested that offeror submit

B-1

Item Description Qty. U/I Unit Price AmountSpec.

0009 DD-7.3 (Optional) Hopper Door Fwd & Aft Plates Renew 6 ea

0010 DD-7.4 Hopper Door (3/4") Hinge Plate Bushings 30 ea

0011 DD-7.5 Hopper Door (1-3/4") Hinge Plate Bushings 30 ea

0012 DD-7.6 Hopper Door (3/4") Hinge Plate Replacement 20 ea

0013 DD-7.7 (Optional) Bearing Pot Replacement 10 ea

0014 DD-7.8 Bearing Pot Bushings 40 ea

0015 DD-7.9 Hopper Door Pad Eye Bushing 14 ea

0016 DD-7.10 Top Bushings on Lower Push-Pull Rods w/Eye 14 ea

0017 DD-7.11 Top Bushings on Lower Push-Pull Rods w/Fork 28 ea

0018 DD-7.12 (Optional) Bottom Pipe Bushings on Push-Pull Rods 28 ea

0019 DD-7.13 Replacement of Hopper Door Seals 1 jb

0020 DD-7.14 (Optional) Hopper Door Upper Rod Lower Guide Suppor 20 ea

0021 DD-7.15 Hopper Door Upper Rod Lower Guide Block Repair 28 ea

0022 DD-7.16 (Optional) Hopper Door Upper Rod Upper Guide Block 20 ea

(Optional) Hopper Door Upper Rod New Sleeve Installation at Lower Guide 7 ea

0024 Hopper Door Upper Rod Replacement (Main Stem) 1 jb

0025 Zinc Anodes 1 jb

0026 Hopper Bay Inspection 1 jb

0027 HH-2.1.1 Hopper Bay Plating, Athwartship, Plate A 7 ea

0028 HH-2.1.2 (Optional) Hopper Bay Plating, Athwartship, Plate B 7 ea

0029 HH-2.1.3 (Optional) Hopper Bay Plating, Athwartship, Plate C 7 ea

0030 HH-2.1.4 Hopper Bay Plating, Athwartship, Plate D 7 ea

0031 HH-2.2.1 Hopper Bay Plating, Longitudinal, Plate A 6 ea

0032 HH-2.2.2 (Optional) Hopper Bay Plating, Longitudinal, Plate 7 ea

0033 HH-2.3 Longitudinal Reinforced Plate in Voids 6 ea

0034 Hopper Bay Sloped Plate Weld Seam Repair 20 ea

0035 Wing Voids Interior Weld Seam Repair 20 ea

0036 (Optional) Centerwell Bulkhead Weld Seam Repair 20 ea

0037 (Optional) Hopper Weld Seam Repair (Various Locatio 20 ea

0038 HH-7.1 (Optional) Large Vertical T-Beam Section 2 ea

0039 HH-7.2 (Optional) Medium Vertical T-Beam Section 2 ea

0040 HH-7.3 (Optional) Small Vert. T-Beam Section (Above String 6 ea

0041 HH-7.4 (Optional) Small Vert. T-Beam Section (Below String 6 ea

0042 HH-7.5 (Optional) Stringer Plate Section 6 ea

HH-6

HH-3

HH-4

HH-5

DD-7.18

HH-1

DD-8

DD-7.17

B-2

0043 (Optional) Ultrasonic Thickness Measurements 10,000 ea

0044 Cover For Stacks 1 jb

Cleaning & Modifications of L.O. Settling Tank in AMR 1 jb

0046 (Optional) Services of Machinist (outside) 2500 hr

0047 (Optional) Machining 1000 hr

0048 HH-13.1 (Optional) Mild Steel Welding 1000 hr

0049 HH-13.2 (Optional) Low Hydrogen Welding 3500 hr

0050 HH-13.3 (Optional) Stainless Steel Welding 200 hr

0051 HH-13.4 (Optional) Inspection of Welds 500 hr

0052 Ballast Tanks, Voids, and CofferDams 1 jb

0053 Dirty Lube Oil, Oily Bilge & Sludge Tanks 1 jb

0054 HH-16 Fuel Oil Tanks 1 jb

0055 Fuel Oil Vent Containments (Clean, Steel Repair) 1 jb

0056 Protection, Cleaning, and Surface Preparation 1 jb

0057 Painting 1 jb

Steel replacement & Painting #8 Port & Stbd Ballast Tanks and AMR 1 jb

Steel Repair And Painting #6 Port, Stbd & Center Ballast Tanks 1 jb

0060 Propeller Hydraulic System Inspection 1 jb

Hydraulic Power Unit and Hub Oil System Maintenance (Port & Stbd) 1 jb

0062 Port & Starboard Servo Box Inspection 1 jb

0063 Port Tailshaft Replacement 1 jb

0064 Port Propeller Hub & Blade Replacement 1 jb

0065 Starboard Propeller Blade Replacement And Hub Inspe 1 jb

0066 Port & Stbd Strut and Stern Tube Bearing Inspection 1 jb

0067 Starboard Stern Tube Gland Seal Maintenance 1 jb

0068 Bow Thruster System Inspection & Maintenance 1 jb

Rudder Stock & Pintle Pin Clearances (Port & Starboard) 1 jb

0070 MD-1.1 Sluice Valve Inspection 1 jb

0071 MD-1.2.1 (Optional) Sluice Valves, 18-Inch Diameter 5 ea

0072 (Optional) Sluice Valves, 24-Inch Diameter 2 ea

0073 (Optional) Sluice Valves, 26-Inch Diameter 2 ea

0074 (Optional) Sluice Valves, 30-inch Diameter 3 ea

0075 (Optional) Sluice Valves, 32-inch Diameter 2 ea

0076 (Optional) Sluice Valves, 43-inch Diameter 1 ea

HH-12

HH-14

MP-1.3

HH-8

MP-4.1

MP-1.5MP-1.5

HH-9

HH-20

MP-2.1

HH-18

MD-1.2.4

MD-1.2.6

MP-3.1

MD-1.2.5

MP-1.2

HH-21

MP-1.1

MD-1.2.3

HH-10

HH-11

MP-2.2

HH-15

HH-17

MP-1.4

HH-19

MP-1.6

MD-1.2.2

B-3

0077 (Optional) Collection Valve Gate Repair 3 jb

0078 Collection Valve Flushing Lines and Body Cleaning 1 jb

0079 43 Inch Sluice Valve Body Replacement – Pump Room 1 jb

Clean Jetting Pipe & Reinstall Jetting Pumps & Motors & Replace Pipes 1 jb

(Optional) Weld Seam Repair on Collection Pipes in Voids (Port) 1 jb

(Optional) Port Overside Dragarm Trunnion (Hull Connection) Outboard Flange 1 jb

0083 (Optional) Starboard Overside Trunnion Hull Flange 1 jb

0084 Adjustable Weir & Cylinder Replacement 1 jb

0085 Valve Replacement for Port & Stbd Plate Coolers 1 jb

Drain, Dispose, Refill, and Treat Fresh Water System (Port & Stbd) 1 jb

0087 Clean Two Fresh Water Expansion Tanks 1 jb

0088 Seawater Cooling Pump Rebuild (Pump Room) & Valve/Actuator Assemb 1 jb

0089 Tate Temco Valve Manifolds 1 jb

0090 Potable Water System 1 jb

0091 Ballast Tanks Suction And Discharge Pipes’ Replacem 1 jb

(Optional) Bilge & Ballast Pipes In Pump Room Replacement 1 jb

0093 Marine Sanitation Device Maintenance & Holding Tank 1 jb

0094 Replacement Of Emergency Generator 1 jb

0095 Crane Engine & Components Overhaul & Cleaning 1 jb

0096 (Optional) Air Handler in Poop Deck 1 jb

(Optional) Replacement of Deck Plate in Fan Room (Bridge Deck - Stbd Side) 1 jb

0098 (Optional) Pressure Wash, Blast & Paint Pump Room 1 jb

0099 Insulation Replacement Throughout AMR Rooms 1 jb

(Optional) Convert #7 Center Ballast Tank to Slops Tank 1 jb

0101 Hydraulics Maintenance 1 jb

0102 Cleaning of Main & Dredge Engine Stacks 1 jb

0103 Heat Exchanger Replacement For Ac-Chilled Water#2 1 jb

0104 (Optional) Replacement of Port & Stbd Services Fram 1 jb

Dredge Wheeler Ship Service And Emergency Switchboard Maintenance 1 jb

Dredge Wheeler Sea Water Pump Motor Variable Frequency Drives 1 jb

0107 Dredge Wheeler Steering Gear & Gyro Installation 1 jb

0108 Protection of Hydraulic Control Panels 1 jb

0109 (Optional) Fan Repairs 1 jb

0110 Dock Trials 1 jb

EE-3

EE-4

MA-19

MA-20

EE-1

MA-14

MA-15

MA-6

MA-18

MA-17

MA-2

MA-16

MA-3

MA-4

MD-5

MD-1.4

MD-4

MA-1MA-1

MA-7

MA-5MA-5

MD-2.1

EE-2

MA-13

MA-10

MD-3

MD-1.5

MD-1.3

MA-8

MA-9

EE-5

MD-6

MA-11

MA-12

B-4

Growth Rate* (This bid schedule includes an estimated quantity for evaluation purposes only. Actual hours may be lower or higher.) 10,000 hr

Percent Mark Up (This mark up applies to materials, parts and subcontract service in growth work only. This percentage will be evaluated for reasonableness.) ___ %

0113 PR-1

Dredge Pipes Weld Repair & Replacement (Pump Room & No. 2 Port &

Stbd Voids) 1 jb ____________

The labor hourly rate in CLIN 0111 "Growth Rate" shall be used in pricing all contract changes in accordance with the clause of

Section H-2A entitled "COMPOSITE LABOR HOUR RATE FOR

CONTRACT CHANGES."

Total:

END OF SECTION B

Base

Optional

B-5

AMENDMENTS FOR THE FOLLOWING LINE ITEMS:

0045 HH-10 CLEANING & MODIFICATIONS OF LUBE OIL SETTLING TANK IN

AMR.

Add the following sentence at the end of section “CLEANING:”

“ After completion of all work, provide pressure test of this tank to 2 psi under the witness of government and US Coast Guard inspectors. INSPECTION POINT.”

0058 HH-20 STEEL REPLACEMENT & PAINTING NO. 8 PORT AND STARBOARD

BALLAST TANKS AND AUXILIARY MACHINERY ROOM (AMR).

* Add the following sentence in the first paragraph of section “c) Blast and Paint Internal Auxiliary Machinery Room:”

“Remove all insulation, panels, and other interferences along the port and starboard hull shell, from tank top level up to the second deck level.”

* Add the following sentences at the end of section “c) Blast and Paint Internal Auxiliary Machinery Room:”

“ After completion of all repair and painting work, reinstall all walkways, interferences, remove all protection, and provide and install new insulation and insulation panels. INSPECTION

POINT.”

0079 MD-1.5 43 INCH SLUICE VALVE BODY REPLACEMENT – PUMP ROOM.

Add the following work in this line item:

“ In conjunction with this valve replacement work, the contractor shall also remove existing castings No. 167 and No.

168 and replace with new government furnished parts. The contractor shall provide all new gaskets and fasteners.

Coordinate this work with line item 0113.”

0080 MD-2.1 REINSTALL JET PUMPS/MOTORS AND REPLACE PIPES

Replace this line item in its entirety as follows:

“IMPORTANT NOTE: Prior to remove any jetting pipe section(s), flange(s), or blanks inside the pump motor room, contact the government to witness the removal operation to ensure that there is no water in the jetting pipes flowing into the INBOARD PUMP MOTOR’S coaming. INSPECTION POINT.

a) JET PUMPS/MOTORS REINSTALLATION (PORT & STARBOARD).

Referenced drawing 48-17-25, 48-17-251, 48-17-252, 70006-2743- 001, provide labor, equipment, materials to rig down the two (2) government furnished jet pumps and motors to the pump motor room. Remove the existing deck plates, blind flanges and clean the pipe flanges (Note: Care shall be taken to ensure that any water remain inside the existing pipes shall be drained and pump out prior to remove the blanks completely). Install the jet pumps/motors using contractor furnished new gaskets and fasteners. The contractor shall also connect the electrical power cables to the motors. The contractor shall provide supports for electrical box, weld coaming around deck plate around pump openings, and weld handrails around the starboard, fwd jet pump/motor. (Note: The contractor shall coordinate with the government for detailed guidance).

b) CLEANING OF JETTING PIPES.

For piping modifications and removal specified in this section (MD-2.1), the contractor shall assume that all piping has mud inside of them. The contractor shall be responsible of cleaning and removing all mud and debris from the ship that results from this work.

The LOWER JETTING piping consists of two 14 inches headers (one port and one starboard) and one 10 inches nominal supply line to each hopper bay and one discharge nozzle per hopper bay.

(Note: Coordinate this work with other work under this section;

cleaning of the jetting pipes shall be complete prior to any removal and modification of any jetting piping system). Clean out pipes using clean out fittings on tank top level, inside voids #4 and #5 near centerline of ship. Backwash from discharge nozzles (6 locations, no. 5, 6, 7 bays, port and starboard). Install discharge hoses (qty: 8 only, see also paragraph d) below, we’re blanking off 6 nozzles) with Contractor-furnished “layflat” heavy duty, 6 inch nominal, water discharge hose and double bolt pipe clamps, for a schedule 80, 6 inch nominal pipe. Reassemble all hoses and clean out fittings.

The contractor shall provide all new gaskets (if applicable).

Flush jetting water system until all lines are proven clear to the Government Inspector. INSPECTION POINT.

Reference drawing 48-17-25 and others, inside the pump room, provide scaffolding and chainfolds as necessary to remove the two sections of jetting pipes, no. PD-2-14”, port and starboard, near bulkheads no. 132 and no. 136. Coordinate this work with any other flushing work prior to removal the pipes. After remove the pipes, contact the government for inspection of the pipes internal. INSPECTION POINT. If no other work is needed, reinstall the pipes and remove all scaffoding.

(IMPORTANT NOTES: This work must be performed during daytime under the witness of the government inspector. Care must be taken to prevent water from entering the inboard motors). Prior to performing the work in this paragraph, coordinate with the government for mutual agreement of work set up, scope, and all necessary preparation and prevention measurement. Provide fire hoses and firemain water to flush out the jet piping from the upper deck to the pump motor room using the cleanout connections. Flush jetting system until all lines are proven clear to the Government Inspector. INSPECTION POINT.

c) MODIFY EXISTING JETTING PIPES ABOVE HOPPER (PORT &

STARBOARD).

On both port and starboard 14 inch jetting pipe header above hopper, provide labor, materials, and equipment to unbolt the last flange connection, approximately at frame 84-85.

On the forward pipe, provide a new blind flange, gasket, and all new galvanized fasteners to close off the flanged end.

Approximately 20 inch forward of the flange, cut out a hole at the bottom of the 14 inch pipe and weld a new flanged pipe stub, galvanized, 3 inch; after welding new pipe stub, provide non-destructive test on new weld. INSPECTION POINT. Provide and install a 3 inch flanged, bronze gate valve, including gasket and galvanized fasteners at the flanged end.

After completion of all work and welding, All new pipes and steel, except for galvanized materials, shall be cleaned and painted with (2) coats of primer, Intertuf 262, color: red, and one (1) final coat of Interthane 990, color: gray.

d) JET PIPING REMOVAL AND BLANK OFF (PORT & STARBOARD).

Reference drawings 11-04-08, 48-17-25, 48-17-251, 48-17-252, 70006-2743-001, 70006-2743-002; provide labor, equipment, materials to remove and blank off eight (8) jetting pipes as specified in this section. Coordinate work with sections HH-2, and other work in this section.

I. Reference drawings 48-17-25 and 48-17-252, remove all jetting pipes penetrating the center keelson to the flange approximately at frame 84-85 in the hopper at approx. 46’-1” ABL, Port & Starboard sides (see paragraph b) of this section). For the pipes penetrating the center keelson in void #4, the contractor shall remove all piping up to the first connecting flanges inside this void, both flanges are located above 30’-6” ABL. The contractor shall cut the center keelson plate (where it bends) to remove these pipes. Inspection Point. Prior to cutting any plates in the center keelson, coordinate with USCG/ABS inspectors for approval of the cutting outlines. Provide & Weld new insert plate. Weld complete both inside and outside. All repair methods shall meet the approval of the ABS and USCG inspectors. For bidding purposes, assume that the plate and bracket support, need to be replaced and bent where needed, including 6 feet of two stringer beams per referenced drawing 11-04-08, and 6 feet x 6 feet of centerwell plate. All new steel exposed to the hopper and centerwell plate shall be Cor-Ten steel per drawing 11-04-08 (Note: for Cor-Ten material, the contractor must submit to the government a copy of invoice or other documents showing the steel material’s properties).

II. The Contractor shall remove six (6) 10 inch diameter jetting pipes two (2) of them located in void #4, and four (4) located in void #5 (center voids) from the nozzle located in the hopper to their corresponding gate valve flanges located in the voids.

Reference drawings 11-04-08, 48-17-25 and 70006-2743-002. The contractor shall also be responsible of removing the nozzles and corresponding flanges. Inspection Point. After removal of all piping and other parts, coordinate with USCG/ABS inspectors for approval of welding procedure to weld the plate to blank off where the nozzle flange used to be. Provide & Weld new insert plate. Weld complete both inside and outside. All repair methods shall meet the approval of the ABS and USCG inspectors. New plate shall be 3/4 inch, Cor-Ten steel per drawing 11-04-08 (Note: the contractor must submit to the government a copy of invoice or other documents showing the steel material’s properties).

All welding (in paragraphs I and II above) shall be done per section HH-2. INSPECTION POINT. After completion of welding, perform a hose test on all new welds with the Government, ABS, and/or USCG inspectors present. Clean, prime, and paint new plates and all affected interior as specified in section HH-2, HH-18.3 and HH-19.2. Inspection Point.”

Add the following line item to the specifications:

0113 PR-1 DREDGE PIPES WELD REPAIR AND REPLACEMENT (PUMP ROOM

AND NO. 2 PORT AND STARBOARD VOIDS.

The contractor shall provide all labor, all materials (except government furnished materials), equipment, and scaffolding to remove all necessary interferences in order to repair or replace the pipes listed below. All work must be performed while the ship is in the drydock. After completion of all work, reinstall all removed interferences.

The government shall provide all new pipe stock sections or pipe castings. All pipe stock shall be supplied longer than the final installation length. The contractor shall be responsible to field measure and fit all new pipes against existing mating pieces before welding loose flanges for final installation. The material for all government furnished pipe stock is “Hardox 400” with a Brinell Hardness of at least 400 (see attachment J-34, section J for Hardox 400 material properties, pre-heating, and weld rod type for welding). The material for all reused existing flanges is ASTM A-36 mild steel.

General Notes (Apply to all pipes to be repaired or replaced in this line item):

• See Attachment J-35, section J for pipe location, pump room or No. 2 voids.

• The contractor shall remove all interferences, other dredge pipe(s), and castings as needed to remove all pipes to be worked on, listed below. After completion of all work, reinstall all removed interferennces, pipes, and castings.

• All pipes shall be rigged in and out of the ship through the pump room hatches. Coordinate with the work in line item 0079 MD-1.5 (43 Inch Sluice Valve Body Replacement – Pump Room).

• All pipes in No. 2 voids, port or starboard, shall be removed and either taken out of the ship through pump room or worked in that respective voids.

• The contractor can expect water and mud to be inside the pipes listed in this line item. The contractor shall be responsible of protecting any electrical equipment in the vicinity to ensure that it’s protected from water and other debris. The contractor shall clean and remove the water and mud in the voids or pump room due to this work. The contractor shall remove all of the mud inside the pipes that will need repairs under this line item.

• The contractor shall provide proper supports to any pipe(s) that are still in place to ensure that they do not shift or displace due to their weight.

• The contractor shall use existing pipes as jig to fabricate new pipes. The contractor shall field fit loose flange(s) on straight pipe(s) to ensure that all bolt holes to match between any adjacent pipes or castings.

• The contractor may need to burn off existing bolts/nuts in order to remove pipes or castings. Discard all existing fasteners. The contractor shall provide all new fasteners.

New fasteners shall be of the same size as existing.

• The contractor shall provide all new gaskets (3/16 inch cloth inserted rubber gasket material), cut to fit flange bolt hole pattern (Note: All gaskets must be one continuous piece). INSPECTION POINT. The government inspector shall be contacted to look at each gasket after cutting hole pattern before being installed. The contractor shall also provide new O-rings (if applicable); new O-rings shall have only one cut, which shall be glued and placed on the top when install.

• The contractor shall provide gas free for the pump room and

no. 2 port & starboard voids, tank top level, for any hot work to be performed.

• All new fabricated pipes’ exterior shall be cleaned and applied two (2) coats of Intertuf 262, color: white.

• All weld burn marks must be cleaned and coated with two spot coats of Intertuf 262, color: white.

The following pipes shall be either replaced or repaired:

* STRAIGHT PIPE NO. 181 (REPLACE):

Remove the existing pipe no. 181, located in pump room, forward near centerline. The government shall furnish one section of 30 inches inside diameter pipe stock, material: Hardox 400. The contractor shall provide two new flanges, material: ASTM A36.

The contractor shall fabricate a jig from the existing pipe, or cut, fit, and tack weld new pipe with loose flanges into mounting locations. The contractor must ensure that all bolt holes matches mating pieces prior to final welding. With the pipe section in the shop, weld flanges to pipe section 100 percent inside and out per referenced DTC drawing 70006-2730-

006. INSPECTION POINT. Paint new pipe per notes above.

* STRAIGHT PIPES NO. 164, 165, 207, 208 (REPAIR):

Remove the existing pipes no. 164, 165, 207 and 208, located in pump room. Rig them out of the ship and transport to shop or drydock floor. Grind deteriorated welds inside and outside near the two flanges on each pipe. Contact the government inspector for inspection after completion of all grinding. INSPECTION POINT. After approve by the government, provide and weld at least three (3) weld passes of the same existing size on the inside of the flange and two (2) weld passes of the same existing size on the outside of the flange. INSPECTION POINT.

After completion of all welding, clean all weld burned areas and paint per notes above.

* STRAIGHT PIPES NO. 203P, 203S, 204P, 204S (REPAIR):

Remove the existing pipes no. 203P, 203S, 204P, 204S, located in

no. 2 port and starboard voids. Other pipes and castings shall be removed as needed to remove these pipes. Rig them out of the ship and transport to shop or drydock floor. Grind deteriorated welds inside and outside near the two flanges on each pipe.

Contact the government inspector for inspection after completion of all grinding. INSPECTION POINT. After approve by the government, provide and weld at least three (3) weld passes of the same existing size on the inside of the flange and two (2) weld passes of the same existing size on the outside of the flange. INSPECTION POINT. After completion of all welding, clean all weld burned areas and paint per notes above.

The contractor shall provide new O-rings when reinstalling pipes No. 201 (Port and Starboard). The contractor shall provide all new fasteners per notes above.

* STRAIGHT PIPE NO. 196 (REPLACE):

Remove the existing pipe no. 196, located in pump room, starboard side near inboard pump suction. The government shall furnish one section of 32 inches inside diameter pipe stock, material: Hardox 400. The contractor shall cut off the two existing flanges from the old pipe and discard the old pipe after cutting off the flanges. Clean, grind, bevel and prepare the old flanges to weld into new pipe stock. The contractor shall fabricate a jig from the existing pipe, or cut, fit, and tack weld new pipe with loose flanges into mounting locations.

The contractor must ensure that all bolt holes matches mating pieces prior to final welding. With the pipe section in the shop, weld flanges to pipe section 100 percent inside and out per referenced DTC drawing 70006-2724-003. INSPECTION POINT.

Paint new pipe per notes above.

Note: The contractor shall coordinate this pipe replacement with the replacement of elbow casting No. 171-1 to ensure all bolt holes match prior to final welding on the flange of pipe No.

196.

* STRAIGHT PIPE NO. 177 (REPLACE):

Remove the existing pipe no. 177, located in pump room, port side near inboard pump discharge. The government shall furnish one section of 30 inches inside diameter pipe stock, material:

Hardox 400. The contractor shall cut off the two existing flanges from the old pipe and discard the old pipe after cutting off the flanges. Clean, grind, bevel and prepare the old flanges to weld into new pipe stock. The contractor shall fabricate a jig from the existing pipe, or cut, fit, and tack weld new pipe with loose flanges into mounting locations. The contractor must ensure that all bolt holes matches mating pieces prior to final welding. With the pipe section in the shop, weld flanges to pipe section 100 percent inside and out per referenced DTC drawing 70006-2726-003. INSPECTION POINT. Paint new pipe per notes above.

* STRAIGHT EXPANSION PIECES 173 AND 173-1 (REPLACE):

Remove the existing pipe no. 173 and 173-1, located in pump room, port and starboard at inboard pumps’ suctions and replace with new government furnished pipes. Refer to DTC drawing 70006- 5473-901 for details. The government shall furnish two new pipes. The contractor shall reuse all loose flanges. Provide all new O-rings, gaskets, fasteners per notes above.

* ELBOW CASTINGS PIECES 171-1 AND 171-2 (REPLACE):

Remove the existing castings pieces No. 171-1 and 171-2, located in pump room, tank top level, and replace with new government furnished castings. Refer to DTC drawing 70006-2724-002 for details. The government shall furnish two new castings. The contractor shall provide all new gaskets and fasteners per notes above.

CLIN 0094 MA-10 REPLACEMENT OF EMERGENCY GENERATOR

Replace the paragraph of “TESTING & COMMISSIONING” in its entirety with the following:

TESTING & COMMISSIONING

Upon completion of installation of the new generator and the work reference in the exhaust installation paragraph, the contractor shall again acquire the services Puckett Power Systems for two (2) days to test, troubleshoot and commission the new generator. Commissioning of the generator shall be done per Caterpillar recommendations with regards to this unit.

Generator shall be load tested per Puckett Power’s recommendations. At a minimum, the Contractor is expected to perform the following tests per IEEE, ASME, and other applicable standards:

• Winding resistance,

• Insulation resistance,

• Hi-pot all windings,

• Open circuit saturation curve,

• Voltage and current balance of windings,

• Voltage transient at rated kVA,

• Voltage regulation and regulator adjust range,

• Phase sequence,

• Mechanical balance,

• Resistive load bank test (2 hours),

• Reactive (inductive) load bank test (2 hours),

• Grounding system test,

• Ground-fault receptacle test (if applicable),

• Carbon monoxide and carbon dioxide monitoring/testing – ensure that they are within acceptable industry standard levels, and

• Any other test required by ABS, USCG, and crew shall be submitted via RFQ and coordinated with the Government Inspector.

Inspection Point. The contractor must coordinate with the contracting officer representative, USCG and ABS (if needed) to witness the abovementioned tests. Engine temperatures, vibration and dB levels shall not exceed the manufacturer recommended levels; if so Puckett Power Systems’ technician shall provide recommendations to address any issues during commissioning of this engine, and the contractor shall promptly fix these. If the contractor is not at fault for any issues during commissioning of the engine, the contracting officer representative will authorize work to address such issues via RFQ. Inspection Point.

Upon completion of generator tests Contractor shall test generator controls for automatic operation in the presence of The Government representative, and USCG.

Revise the last paragraph of section H-4, paragraph j. so that the duration of administrative assistant is now 60 days, not the original 55 days.

Revise section H-7 where it says “return property to warehouse in Harahan, LA”; this warehouse no longer exist, the new address shall be US Army Corps of Engineers, Dredge Wheeler Dock, 7400 Leake Ave, New Orleans, LA 70118

Replace CLIN 0107 in its entirety with the following:

0107 EE-3 DREDGE WHEELER STEERING GEAR AND GYRO INSTALLATION

Sub-contract Sperry Marine to install GOVERNMENT FURNISHED equipment for the Wheeler Steering Gear and Gyro. See Sperry quote Q2017-3-73 page 5 of 5, Section C Scope of Work Subtotal only, $43,800.00 and Sperry quote Q2017-2-65 page 4 of 4, Section B only Scope of Work Subtotal and Shipping and Handling, $11,750.00 and $250 and Sperry quote Q2017-3-81 page 3 of 3, Section A, $2,400. If there is no Sperry office within 25 miles of the shipyard, add in travel and per-diem for Sperry personnel. Ref Attachment J-32.

0058 HH-20 STEEL REPLACEMENT & PAINTING NO. 8 PORT AND STARBOARD

BALLAST TANKS AND AUXILIARY MACHINERY ROOM (AMR).

** The quotes provided from Sperry Marine are provided for information only. The Government does not endorse the quotes provided and any negotiations regarding cost or terms of the subcontract will be between the contractor and Sperry Marine.**

Paragraph b) Deleted the last sentence of the fourth bullet:

• After approved by the government, apply two (2) stripe coats of epoxy primer (Intertuf 262, color: red) and one full coat of epoxy primer, color: white, on the entire internal surfaces and all steel components inside these two ballast tanks.

0059 HH-21 STEEL REPAIR AND PAINTING NO. 6 PORT, STARBOARD, AND

CENTER BALLAST TANKS

Paragraph b) Deleted the last sentence of the fourth bullet:

• After approved by the government, apply two (2) stripe coats of epoxy primer (Intertuf 262, color: red) and one full coat of epoxy primer, color: white, on the entire internal surfaces and all steel components inside these two ballast tanks.

Revise Section J’s table of contents and add attachments J-34 and J-35 – See attached pdf files.

Revise Section G-3, and add the following drawings to the DREDGE TECHNOLOGY CORP. DRAWINGS list:

70006-2724-002 Bends for Suction Lines in Pump Room 70006-2724-003 Adjusting Pipes for Suction Lines in Pump

Room 70006-2726-003 Straight Pipes in Serielines in Pump Room 70006-2730-006 Adjusting Pipes for Delivery Lines in Pump

Room 70006-5473-901 Expansion Piece for Inboard Dredge Pump 32”

See drawings attached.

QUESTIONS AND ANSWERS

1) HH-8: The specifications require 10,000 readings; however, the pricing sheet states

1,000 readings. Please clarify the quantity of UT shots required.

ANSWER: We’d like 10,000 readings per the specifications. The bid schedule has been corrected.

2) HH-14: Could you please provide the vessel’s tank capacity plan?

ANSWER: Refer to drawings 29-01-01 and 29-01-03

3) HH-16: So that we may price this item correctly, please advise how much fuel is anticipated to be onboard the vessel when it arrives at our facility.

ANSWER: Assume that an estimated 40,000 gallons of fuel will be on board the vessel when it arrives to the drydock.

4) MA-18: Please clarify if the shipyard is to quote cleaning the inside of the pipes in our proposal, or are we to provide pricing after breaking down the system and completing an inspection?

ANSWER: The contractor is to provide a quote for everything included in this section; this includes breaking down of the system, inspection, cleaning, and reinstalling the system. Note that some items will be considered grow work, i.e. hot work, new expansion joints and connecting flanges (if needed).

5) What is the warranty period for the contract?

ANSWER: Ninety (90) days.

6) Work item EE-3 references three quotes from Sperry. Section “J-32” only provides two of the three Sperry quotations. Please provide Sperry quote Q2017-3-81.

ANSWER: See Revised sketch J-32

7) Specifications item MA-10 Testing & Commissioning requires testing of the emergency generator as recommended by Puckett Power. In its response to our pricing request, Puckett has asked us what load bank testing requirements the ACOE requires (test duration, reactive or resistive, etc). Please advise the parameters for the testing of the emergency generator so all bidders can price the same emergency generator testing requirements.

ANSWER: An amendment will be provided for the “TESTING & COMMISSIONING” paragraph for Section MA-10 to address this question.

8) HH-18.4.1: Chain Lockers – How much mud removal (if any) should we allow for i.e.

one (1) cubic yard with a unit price for additional mud?

ANSWER: Assume that no more than two (2) cubic yards will be removed.

9) HH-18.4.2: Potable Water Tanks – Item alludes to spot blasting (and HH-19.3.2 does also). How much spot work should be allowed for i.e. ten percent (10%) of the area with a unit price for additional area?

ANSWER: Assume that no more than 50% shall be spot blasted.

10) HH-18.4.3 and 18.4.4: Cleaning – There is no way we can know the condition of these spaces when cleaning is to be done. Can we provide a “level of effort price” based on a set amount of man hours?

ANSWER: This has been a standard language in our specification for years, and contractors have successfully bid on this. Recommendation: Refer to the drawings listed in section GN-3, assume worst case scenario based on the volume for each space per these drawings, and provide quote. Note that bilges must be pumped out and disposed of per DD-1 prior to any work on HH-

18.4.3 and 18.4.4; thus, the worst case scenario must take this into account. The contractor is free to use other methods of calculating the worst case scenario based on the spaces’ volume.

11) HH-20 b: 8 P/S – The drawings we have are marginal at best. Can the owners open one of these tanks for survey or provide a surface area so all bidders are apples and apples?

ANSWER: While there is a lot of information in the drawings, the electronic drawings provided for section HH-20 are in excellent condition and the bidder certainly can quote based on these.

Opening the tanks for merely bidding purposes will be labor intensive, and our funding & labor resources are limited. For bidding purposes assume that no more than 50% of the total internal surface (including angles and other components) shall be blasted.

12) HH-20 b: 8 P/S – How much mud removal (if any) should we allow for i.e. one (1) cubic yard with a unit price for additional mud?

ANSWER: Assume that no more than two (2) cubic yards per tank will be removed. Note that mud will be in different locations within each tank.

13) HH-20 b: 8 P/S – Items allows for two (2) stripe coats both red and then one (1) full coat of white. Later it says that “a total of two (2) coats system shall be applied”. Maybe this should be revised to specify two (2) full coats and Two (2) stripe coats to avoid confusion.

ANSWER: Ignore the last sentence of the fourth bullet of HH-20 b.

14) HH-21 b: 6 P/S/C – The drawings we have are marginal at best. Can the owners open one of these tanks for survey or provide a surface area so all bidders are apples and apples?

ANSWER: While there is a lot of information in the drawings, the electronic drawings provided for section HH-21 are in excellent condition and the bidder certainly can quote based on these.

Opening the tanks for merely bidding purposes will be labor intensive, and our funding & labor resources are limited. For bidding purposes assume that no more than 50% of the total internal surface (including angles and other components) shall be blasted.

15) HH-21 b: 6 P/S/C – How much mud removal (if any) should we allow for i.e. one (1) cubic yard with a unit price for additional mud?

ANSWER: Assume that no more than two (2) cubic yards per tank will be removed. Note that mud will be in different locations within each tank.

16) HH-21 b: 6 P/S/C – Items allows for two (2) stripe coats both red and then one (1) full coat of white. Later it says that “a total of two (2) coats system shall be applied”. Maybe this should be revised to specify two (2) full coats and two (2) stripe coats to avoid confusion.

ANSWER: Ignore the last sentence of the fourth bullet of HH-21 b.

17) MA 13: The item does not clarify the square footage to be touched up, removals, etc.

Can this be further clarified at the ship check?

ANSWER: Yes, this will be accessible during the ship check. Also refer to the drawings provided

18) MA-14: Pump Room – The item says “the contractor shall discuss with the

Government inspector what needs to be pressured washed and what needs to be blasted”, as you can see there is no way we can price this prior to arrival. Can we provide a “level of effort price” based on a set amount of man hours?

ANSWER: For bidding purposes, assume that 30% for each task of the entire area listed in this optional item shall be pressure washed, blasted and painted.

19) Specification Item DD-2 seems to call for the forward 18” seachest crossover pipe to be cleaned and painted. Based on the provided seachest piping drawings, we understand this pipe to be 90/10 copper nickel. As the inside of copper nickel piping is not typically cleaned or painted, can you please confirm what this work item is requiring in way of the crossover pipe?

ANSWER: Yes, please proceed per the specs requirements.

20) Item #0024, DD-7.18 calls for a quantity of one (1) job on the pricing sheet. In the specifications, there is a requirement for a quantity of seven (7) cylinders/rods. Please confirm the one (1) job includes pricing for all seven (7) cylinders/rods.

ANSWER: Yes, the one (1) job includes pricing for all seven (7) cylinders/rods.

21) In the past, the ACOE has provided an Excel spreadsheet to make completing the pricing section of the solicitation easier. Could this same format Excel sheet be provided for this solicitation as well?

ANSWER: Yes, the updated bid schedule for Am_0002 will be posted in Word and Excel.

22) Please provide the engine serial number. Per Detroit Diesel authorized repair facility it should be 10 digits and begin with 04A0******.

ANSWER: We do not have a serial number to provide, but Contractor can look for it during the ship check. The motor is a Series 4-71 T.

23) Work Item 0101 - MA-17 - HYDRAULICS MAINTENANCE: Need drawing of P&S

AFT Adjustable Weir hydraulic piping that is to be flushed and need sizes of hydraulic pumps, check valves and direction control valves requiring inspections or overhauls in this item.

ANSWER: Drawing 70006-2560-055 (Overflow) has been provided with the package for

Am_0002. The Government does not have detailed piping diagram. The Government can show at site visit the locations for flushing connection.