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Amendment No. 0007

Folsom Dam Vessel Exclusion Barrier and Debris Boom Solicitation No. 140R2026B0001

American River Division- Central Valley Project - California Specifications No. 20-C0939

Vessel Exclusion Barrier and Debris Boom

35 79 30 - 1

SECTION 35 79 30

VESSEL EXCLUSION BARRIER AND DEBRIS BOOM

PART 1 GENERAL

1.01 MEASUREMENT AND PAYMENT

A. Vessel Exclusion Barrier with Debris Boom:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes the cost of designing, furnishing and installing the following:

1) All modules along the length of the barrier and any attachments necessary but not limited to debris curtain, fence post and fence netting.

2) Includes all module-to-module connectors.

b. Does not include the Gate module, mooring buoy, onshore and offshore anchors and their corresponding chains and ropes.

B. Gate Module:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes cost of designing, furnishing, and installing the gate module and any attachments necessary but not limited to, debris curtain, fence post, fence netting, and gate control system.

C. Spare Module-to-module Connectors:

1. Measurement: Number of spare module-to-module connectors provided.

2. Payment: Unit price per spare connector offered in the Price Schedule.

a. Includes furnishing and delivery of the material.

D. Onshore Anchor:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes cost of furnishing, and installing the necessary onshore anchor at the right-wing side of the dam.

E. Moorings:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes designing, furnishing, installing moorings, offshore anchors, buoys, and sinkers and other components such as chains and ropes.

35 79 30 - 2

F. Spare Module:

1. Measurement: Number of spare modules provided.

2. Payment: Unit price per spare module offered in the Price Schedule.

a. Includes furnishing and delivery of the material.

G. Warning Lights:

1. Measurement: Number of warning lights installed.

2. Payment: Unit price per warning light offered in the Price Schedule.

H. Warning Signage:

1. Measurement: Number of warning signage installed.

2. Payment: Unit price per warning signage offered in the Price Schedule.

I. Certification:

1. Payment: Lump-sum price offered in the Price Schedule.

a. Includes any activities involve on providing the required certification.

1.02 REFERENCE STANDARDS

A. ASTM International (ASTM)

1. ASTM A36/A36M-08 Carbon Structural Steel

2. ASTM A153/A153M-05 Zinc-Coating (Hot-Dip) on Iron and Steel

Hardware

3. ASTM A276-08a Stainless Steel Bars and Shapes

4. ASTM A307-14 Carbon Steel Bolts, Studs, and Threaded

Rod 60 000 PSI Tensile Strength

5. ASTM A760/A760M-06 Corrugated Steel Pipe, Metallic - Coated for

Sewers and Drains AASHTO No. M36/M

36M

6. ASTM B695-04 Coatings of Zinc Mechanically Deposited

Iron and Steel

7. ASTM F667B06 Large Diameter Corrugated Polyethylene

Tubing and Fittings

8. ASTM F2766-11 Standard Test Method for Boat Barriers

35 79 30 - 3

B. Chain Link Fence Manufacturers Institute (CLFMI)

1. CLFMI 2445-97 Product Manual

C. Federal Specifications (FS)

1. FS RR-C-271D(1) Chains and Attachments, Welded and

Weldless

2. FS RR-W-410F Wire Rope and Strand

1.03 SUBMITTALS

A. Submit the following in accordance with Section 01 33 00 - Submittals.

B. RSN 35 79 30-1, Design Calculations:

1. Calculations or certification demonstrating the adequacy of system to resist the required loading determined by the designer and the specification.

a. Module-to-module connectors

b. Offshore anchors.

c. Connection to the existing east buoy and its anchor.

d. See section 35 79 30-3.03 for vessel loading requirements.

e. Provide all design loads used in addition to Section 35 79 30-2.01(A)6.

C. RSN 35 79 30-2, Shop Drawings and Manufacturer Recommendations:

1. Shop drawings of the layout and all construction installation details, including materials lists and manufacturer’s installation recommendations.

D. RSN 35 79 30-3, Approval Data:

1. Manufacturer’s and/or materials product data for the following:

a. Floats.

b. Chain, connecting links, and shackles.

c. Debris curtain.

d. Warning/Navigation lights.

e. Warning signage

f. Offshore Anchors.

g. Gate system.

h. Onshore Anchor product data to be submitted under RSN 31 68 00-2, Installation Plan and Approval Data.

35 79 30 - 4

E. RSN 35 79 30-4, Installation Procedures:

1. Installation Plan of onshore anchor to be submitted under RSN 31 68 00-2, Installation Plan and Approval Data.

2. Include step-by-step procedures on installing the barrier.

3. If using a crane, its location, the weights it will carry, and the crane load chart.

4. Logistics such as locations on where the trucks will off-load the materials and other machinery necessary for the contract.

5. Details and specifications of the boats that will be used, location on where they will be launched and dock location during non-working hours.

6. Details of the Barge and where it will dock or be moored at during non-working hours.

F. RSN 35 79 30-5, Weld Test Data:

1. Welder Certifications

2. Welding Procedure Specifications

G. RSN 35 79 30-6, Weld Inspection and Test Results:

H. RSN 35 79 30-7, Barrier Certification

1.04 DELIVERY, STORAGE AND HANDLING

A. Deliver, transport and store according to the manufacturer’s recommendations.

PART 2 PRODUCTS

2.01 Technical and Design Requirements

A. The Vessel Exclusion Barrier and Debris Boom

1. The portion of the barrier to be replaced will be dual purpose. It will function as a vessel barrier and debris boom.

2. The Vessel Exclusion Barrier and Debris Boom will need at least the following six components:

a. Floatation Assembly

b. Capture Assembly (For Debris)

c. Anchor/Mooring System

d. Gate Assembly

e. Connection Assembly (for attaching modules together)

35 79 30 - 5

f. Visual and Lighted Warning

3. The barrier shall consist of modular units constructed from unsinkable floatation units.

4. The replaced barrier to be fully functional between the 350 ft and 475 ft of water elevation.

5. At 350 ft of water elevation and lower, the barrier connection to the dam shall be removable.

6. The barrier loading design shall be inclusive of winds, wave force, debris loading and current loading when all spillways and penstocks are fully operational.

a. The system shall withstand loadings whichever is greater between two scenarios listed on Table 35 79 30A. – List of Loading Scenarios.

Table 35 79 30A.- List of Loading Scenarios

Scenario Debris

Effect

Discharge

Current* Wind Effect Wave Effect

A yes yes 43 mph 5 ft

B no no 52 mph 5 ft

*Assume Discharge current at 200,000 cfs.

b. The system shall be designed for ambient temperature changes ranging from 25 to 115 degrees Fahrenheit.

7. The design of the barrier shall be such that if one module is structurally damaged or requires repair or replacement, it will not require the removal and reinstallation of more than one damaged section.

8. The barrier shall remain intact and afloat after being impacted by the designated threat vessel.

9. The system shall have a minimum life design provided proper maintenance requirements are met:

a. New features to have a minimum design life of 50 years.

b. Wearing parts shall last at least 20 years prior to requiring replacement.

1) Wire Rope

2) Module-to-Module connection

3) Transition (pup) net

10. The barrier system shall be designed such that the new moorings shall support the loads of the new barrier independent of the existing East Buoy Mooring.

35 79 30 - 6

B. Floats:

1. The floats shall be designed to carry the weight of the barrier system.

2. The floats shall be designed to withstand impacts with riprap and conditions were it may rest entirely on riprap due to low and fluctuating water elevations.

C. Debris Curtain as supplied by JF Brennan Company, 4411 DuPont Court, Ventura, CA, or equal with the following essential characteristics:

1. The Debris Curtain needs to be permanently attached to the new barrier system and is NOT allowed to be a separate system.

2. Debris curtain: Suspended from the floats by means of 6,000 lb. test strength screw pin shackles or other equivalent strength anchoring devices.

3. The anchoring device shall be capable of supporting at least four times the debris curtain weight when hanging out of water.

4. The debris curtain shall also cover the gap between the modules.

5. Individual debris curtains:

a. Match length of the module

b. Provide a minimum of 2-foot-deep debris curtain, as shown on the drawing sheet 485-208-60332.

c. Curtains shall be of sufficient weight to hang vertically once installed.

d. Lash individual curtain panels to adjacent panels with maximum 3-foot-long galvanized-steel cables or chains.

D. Module-to-Module connectors as supplied by JF Brennan Company, 4411 DuPont Court, Ventura, CA, or equal with the following essential characteristics:

1. Interconnecting plates, bars, or channel members:

a. Designed to transfer forces between modules, a minimum tension of 3000 pounds or the design loads, whichever is greater.

2. The connection shall be designed such that in case one module is damaged and requires repair or replacement, single module can be removed and replaced.

3. The modules shall be connected such that the clear spacing between them shall not exceed 24 inches.

4. Cables, bolts, fittings, and all load bearing connections shall be designed with a factor of safety of 4.

5. All mechanical connections shall operate without binding.

6. The connections shall have a feature that allows adjustments of barrier components to compensate for the effects of sag and/or creep.

35 79 30 - 7

E. Fence Post Connection:

1. The fence post connection system to the module truss should be the same for all the fence post across the whole length of the barrier.

2. The fence post connection to the module truss shall be readily and easily replaceable in case it gets damaged.

F. Offshore Anchors:

1. The chains or ropes connecting the offshore anchors to the buoys should be able to adjust with the varying water elevation on the dam.

G. Onshore Anchors:

1. An onshore anchor shall be placed on the right-wing dam. See Section 31 68 00 –

Onshore Anchor for more details.

H. Warning Lights: shall be spaced not greater than 30-ft apart along the entire length of the barrier

I. Warning Signage: shall be spaced not greater than 60-ft apart along the entire length of the barrier.

J. Vessel Gate:

1. To facilitate passage of authorized Vessels/equipment through barrier, an operable

‘gate’ shall be provided for use by authorized staff. This gate shall be movable using water-based equipment only.

2. The gate shall provide one 20-foot-wide opening to allow easy passage of authorized Vessels with a draft of 5-ft (min).

3. The gate section and connections of the gate section to the remainder of the barrier shall provide the same capacity and performance as the rest of the module.

4. The gate closure mechanism shall be provided with a tamper-proof lock and lock enclosure (shroud).

5. The gate shall be designed so that while it is open, the overall barrier configuration and the relative positions of the adjacent barrier modules will remain unchanged under all environmental site-conditions.

6. The gate shall be provided with a method/mechanism which will hold the gate in the open position and still maintain the barrier configuration.

7. Gate shall be designed for operation by a single person on a work boat.

8. Any individual tools or equipment required to operate the gate shall not exceed 40 lbs. Any special tooling or equipment required to remove, replace or operate the gate shall be provided for under this contract.

35 79 30 - 8

9. Any powered equipment associated with the gate operation shall have an independent, dedicated power source capable of providing power required for a minimum of five (5) gate operations (opening and closing) before recharging or re-fueling.

10. Testing of the opening/closing of the Gate assembly shall be done during commissioning at the site. The test shall demonstrate the mechanism and procedures for opening and closing the gate assembly and shall record the time required to perform these operations. The vendor shall supply a recommended procedure for the commissioning and identify and provide for any equipment and tooling needed for opening and closing the gate assembly.

K. Spare Module:

1. Length should match the length of modules used on the system.

2. Provide a minimum of 40ft in total length of the spare module.

2.02 ECOLOGICAL REQUIREMENTS

1. Detail shall avoid the use of sharp edges and other physical features that will endanger the wildlife.

2.03 MATERIALS

A. Pontoons:

1. Fabricated from an outer shell of pontoon steel pipe, ASTM A760, galvanized steel pipe.

2. Flotation material:

a. Polystyrene foam stabilized with an ultraviolet ray inhibitor meeting requirements of ASTM F667.

b. Inner foam core: No voids which could fill with water and reduce buoyancy.

c. Material should be water and abrasion resistant.

3. Size: 18-inch inside diameter minimum, tubular units.

4. Other material proposal aside from listed above is allowed subject to COR approval.

B. Debris Curtain:

1. PVC-coated galvanized 3-inch by 5-inch mesh, No. 9-gauge (0.148-inch-diameter coated wire) chain link fencing material conforming to CLFMI 2445. Other curtain configuration is allowed subject to COR approval.

35 79 30 - 9

C. Module-to-module Connections:

1. Connect adjacent floats/modules as detailed on the drawing sheets 485-208-60331 and 485-208-60332.

2. Interconnecting plates, bars, or channel members: Galvanized.

3. Miscellaneous metal fasteners, pins, connectors, etc.: Galvanized Steel.

D. Onshore anchor: See Section 31 68 00 – Onshore Anchor.

E. Gate Assembly: Gate Steel Components shall be galvanized steel.

F. Fence Post and its connection hardware: Galvanized steel.

G. Transition (pup) nets: Pup nets cover the gaps between modules. The pup nets must consist of the following or better materials at a minimum:

1. 6 each 1-1/8-inch DIA International Orange 12 plait nylon line with UV light protection for the horizontals

2. 3 each ¾ inch DIA International Orange 12 plait nylon line with UV light protection for the verticals

3. 12 each screw pin anchor shackles per pup net

H. Chain: Federal Specification RR-C-271D, Type I, Class 4 G43, hot-dipped galvanized in accordance with ASTM A153.

I. Bolt Type Anchor Shackle:

1. Federal Specification RR-C-271D Type IVA, Grade B, Class 3, hot-dipped galvanized in accordance with ASTM A153.

J. Structural Steel: ASTM A36.

K. Arc-welding Electrodes:

1. The electrode, electrode-flux combination, or grade of weld metal shall have a minimum tensile strength of 70,000 pounds per square inch.

2. All electrodes, electrode-flux combinations, or weld metal shall be in accordance with applicable AWS specifications and shall be suitable for the position and other conditions of intended use.

L. Master Links: Type A-342 Weldless Alloy Master Link manufactured by Crosby Group

Inc., PO Box 3128, Tulsa OK 74101-3128, or equal, having the following essential characteristics:

1. Hot-dipped galvanized in accordance with ASTM A153.

2. Working load limit: 20,000 pounds.

35 79 30 - 10

M. Connecting Link: Federal Specification RR-C-271D, Type XIV, hot-dipped galvanized in accordance with ASTM A153.

N. Connecting Ring:

1. Federal Specification RR-C-271D, Type VI, hot-dipped galvanized in accordance with ASTM A153.

2. Working load limit: Not less than 6500 pounds.

O. Wire Rope: Federal Specification RR-W-410D, Type I, Class 3, Construction 6x37, drawn galvanized extra-improved plow steel.

P. Warning Lights: Red flashing beacon, solar powered, low maintenance type of the best marine-grade construction as supplied by Sealite, 61 Business Park Drive, Tilton, New

Hampshire 03276, or equal with the following essential characteristics:

1. Meet United States Coast Guard requirements for Aid to Navigation lights.

2. Solar panels and battery packs: Solar charging shall be designed to fully recharge a depleted battery pack within two average Folsom solar days during the winter months (November through February).

3. Battery life: should last a minimum of at least 100 hours of operation without the need to recharge.

Q. Signs: shall read “Danger – Restricted Area – No Entry” and be accompanied by international “No Entry” graphic.

1. The visuals shall be legible during daylight at least 200 ft away.

R. Anchor Rod: ASTM A276 type 316.

S. Master Links Connecting Link: Federal Specification RR-C-271D, Type XIV, hot-dipped galvanized in accordance with ASTM A153.

T. Tie Clips: hot-dipped galvanized in accordance with ASTM A153.

U. Other Hardware:

1. Bolts, nuts, washers, cotter pins, screws, and other hardware: galvanized products suitable for required application.

2.04 CONTRACTOR SOURCE QUALITY TESTING

A. Inspect component parts and welds to determine conformance to drawings, procedures, overall workmanship, weld contours, weld size, and any other pertinent items.

B. Shop Welds:

1. Perform Inspections and tests in accordance with AWS D1.1

35 79 30 - 11

2. Notify COR 14 days in advance of tests. A representative may witness tests as directed by the COR.

3. Submit weld test data and results under RSN 35 79 30-6.

PART 3 EXECUTION

3.01 INSTALLATION

A. Vessel Exclusion and Debris Boom:

1. Install components in accordance with the manufacturer’s written recommendations and the drawings.

B. All netting between fence posts will be tightened and adjusted to present a continuous barrier.

C. Coat on-site welds with Surface Tolerant Epoxy Primer such as Epoxy Mastic Aluminum

II or Sherloxane 800 by Sherwin Williams or equal.

1. Follow manufacturer’s surface preparation and application instructions.

3.02 CONTRACTOR FIELD QUALITY TESTING

1. Field Welds:

a. Perform inspections and tests in accordance with AWS D1.1.

b. A representative may witness tests as directed by the COR.

2. Submit weld inspection reports under RSN 35 79 30-6, Weld Inspection and Test

Results.

3.03 BARRIER CERTIFICATION

A. The barrier will need to be either certified according to ASTM F2766-11 “Standard Test

Method for Boat Barriers” or under NAVSEA Standard Items meeting the minimum requirements:

1. The barrier needs to be rated at least Level C (600,000 ft-lbf of Kinetic Energy).

This is equivalent to an 8,500 lbm boat at the speed of 40 knots.

B. Deleted.

END OF SECTION

35 79 30 - 12

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