Marine Pier Protection
818.01 DESCRIPTION. Furnish, install, and construct pier protection systems
and components of the type and dimensions at locations specified.
818.02 MATERIALS. Comply with the following:
Structural Concrete Deformed Reinforcing Steel Metals Section 805 Section 806 , Section 1009 Section 807 , Section 1013 Welding 809 Treated Tim ber Portland Cement Concrete Section 812 Section 901 Unless otherwise specified, use AASHTO M270 Grade 50 steel for structural steel components and hot dip galvanize after fabrication in accordance with Section 811. For structural steel connections, u se ASTM A325 Type 1 mechanically galvanized high strength fastener assemblies in the sizes and lengths specified and in accordance with Section 807 . Mechanically galvanize in accordance with 811.08 . Unless otherwise specified , use ASTM F593 stainless steel bolts with ASTM F594 stainless steel nuts and stainless steel washers (Alloy 304) for whaler and panel connections. Unless otherwise specified, use 0.5 inch 1x19 Type 316 stainless steel wire rope and stainless steel hardwar e. For materials in 818.02.2 through 818.02.5 , use an accredited third party laboratory to test materials for compliance with perform ance requirements. For material compliance verification, submit to the Project Engineer for review the “Certificate of Analysis” and material test results showing that the material meets the specification criteria .
818.02.1 Pier Protection Systems : Use materials specified in the plans.
818.02.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : use ultra -high molecular weight polyethylene panels conforming to ASTM D4020. Use material with a specific gravity of 0.926 to 0.945 in accordance with ASTM D792, a mini mum ultimate tensile strength of 4100 to 5100 psi and elongation at break of 330 to 420 percent in accordance with ASTM D638. Chamfer the outer edges to the specified dimensions. Color material as specified in Marine Pier Protection
818.01 DESCRIPTION. Furnish, install, and construct pier protection systems
and components of the type and dimensions at locations specified.
818.02 MATERIALS. Comply with the following:
Structural Concrete Deformed Reinforcing Steel Metals Section 805 Section 806 , Section 1009 Section 807 , Section 1013 Welding 809 Treated Tim ber Portland Cement Concrete Section 812 Section 901 Unless otherwise specified, use AASHTO M270 Grade 50 steel for structural steel components and hot dip galvanize after fabrication in accordance with Section 811. For structural steel connections, u se ASTM A325 Type 1 mechanically galvanized high strength fastener assemblies in the sizes and lengths specified and in accordance with Section 807 . Mechanically galvanize in accordance with 811.08 . Unless otherwise specified , use ASTM F593 stainless steel bolts with ASTM F594 stainless steel nuts and stainless steel washers (Alloy 304) for whaler and panel connections. Unless otherwise specified, use 0.5 inch 1x19 Type 316 stainless steel wire rope and stainless steel hardwar e. For materials in 818.02.2 through 818.02.5 , use an accredited third party laboratory to test materials for compliance with perform ance requirements. For material compliance verification, submit to the Project Engineer for review the “Certificate of Analysis” and material test results showing that the material meets the specification criteria .
818.02.1 Pier Protection Systems : Use materials specified in the plans.
818.02.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : use ultra -high molecular weight polyethylene panels conforming to ASTM D4020. Use material with a specific gravity of 0.926 to 0.945 in accordance with ASTM D792, a mini mum ultimate tensile strength of 4100 to 5100 psi and elongation at break of 330 to 420 percent in accordance with ASTM D638. Chamfer the outer edges to the specified dimensions. Color material as specified in Marine Pier Protection
818.01 DESCRIPTION. Furnish, install, and construct pier protection systems
and components of the type and dimensions at locations specified.
818.02 MATERIALS. Comply with the following:
Structural Concrete Deformed Reinforcing Steel Metals Section 805 Section 806 , Section 1009 Section 807 , Section 1013 Welding 809 Treated Tim ber Portland Cement Concrete Section 812 Section 901 Unless otherwise specified, use AASHTO M270 Grade 50 steel for structural steel components and hot dip galvanize after fabrication in accordance with Section 811. For structural steel connections, u se ASTM A325 Type 1 mechanically galvanized high strength fastener assemblies in the sizes and lengths specified and in accordance with Section 807 . Mechanically galvanize in accordance with 811.08 . Unless otherwise specified , use ASTM F593 stainless steel bolts with ASTM F594 stainless steel nuts and stainless steel washers (Alloy 304) for whaler and panel connections. Unless otherwise specified, use 0.5 inch 1x19 Type 316 stainless steel wire rope and stainless steel hardwar e. For materials in 818.02.2 through 818.02.5 , use an accredited third party laboratory to test materials for compliance with perform ance requirements. For material compliance verification, submit to the Project Engineer for review the “Certificate of Analysis” and material test results showing that the material meets the specification criteria .
818.02.1 Pier Protection Systems : Use materials specified in the plans.
818.02.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : use ultra -high molecular weight polyethylene panels conforming to ASTM D4020. Use material with a specific gravity of 0.926 to 0.945 in accordance with ASTM D792, a mini mum ultimate tensile strength of 4100 to 5100 psi and elongation at break of 330 to 420 percent in accordance with ASTM D638. Chamfer the outer edges to the specified dimensions. Color material as specified in Marine Pier Protection
818.01 DESCRIPTION. Furnish, install, and construct pier protection systems
and components of the type and dimensions at locations specified.
818.02 MATERIALS. Comply with the following:
Structural Concrete Deformed Reinforcing Steel Metals Section 805 Section 806 , Section 1009 Section 807 , Section 1013 Welding 809 Treated Tim ber Portland Cement Concrete Section 812 Section 901 Unless otherwise specified, use AASHTO M270 Grade 50 steel for structural steel components and hot dip galvanize after fabrication in accordance with Section 811. For structural steel connections, u se ASTM A325 Type 1 mechanically galvanized high strength fastener assemblies in the sizes and lengths specified and in accordance with Section 807 . Mechanically galvanize in accordance with 811.08 . Unless otherwise specified , use ASTM F593 stainless steel bolts with ASTM F594 stainless steel nuts and stainless steel washers (Alloy 304) for whaler and panel connections. Unless otherwise specified, use 0.5 inch 1x19 Type 316 stainless steel wire rope and stainless steel hardwar e. For materials in 818.02.2 through 818.02.5 , use an accredited third party laboratory to test materials for compliance with perform ance requirements. For material compliance verification, submit to the Project Engineer for review the “Certificate of Analysis” and material test results showing that the material meets the specification criteria .
818.02.1 Pier Protection Systems : Use materials specified in the plans.
818.02.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : use ultra -high molecular weight polyethylene panels conforming to ASTM D4020. Use material with a specific gravity of 0.926 to 0.945 in accordance with ASTM D792, a mini mum ultimate tensile strength of 4100 to 5100 psi and elongation at break of 330 to 420 percent in accordance with ASTM D638. Chamfer the outer edges to the specified dimensions. Color material as specified in the plans. Use material components with a min imum thickness of 2.00 inches, and drill and counter -bore after fabrication. Use materials free from defects that may adversely affect the performance or maintainability of individual components or installation.
818.02.3 Plastic Composite Marine Timber (PCMT): Use polyethylene
or polypropylene. Color components by mixing plastic with appropriate colorants. Unless otherwise specified, use alternating black and yellow walers. Provide components containing ultraviolet (UV) inhibitors and antioxidants. Provide components containing hindered amine light stabilizers to provide sufficient resistance to UV light degradation. Conform to the properties of Table 818 -1. A standard commercial product is one that has been sold or is being currently offered for sale on t he commercial market through advertisements or manufacturer's catalogs or brochures, and represents the latest production model. Additional features that improve the product, not specifically prohibited by this specification, but which are a part of manuf acturer's standard commercial product, may be permitted in the PCMT being furnished. Submit for review documentation demonstrating that the PCMT being supplied have been installed on at least two projects constructed no less than 4 years prior, and are cu rrently performing satisfactorily. Use seamless smooth repairable outer skin PCMT with square cross section and rounded corners. Cut both ends square. Use materials free from defects that may adversely affect the performance or maintainability of indivi dual components or installation. Use straight or curved PCMTs. When specified, reinforce the PCMT with fiberglass elements conforming to Table 818 -2. Use PCMTs with dimensions and tolerances conforming to Table 818 -3. the plans. Use material components with a min imum thickness of 2.00 inches, and drill and counter -bore after fabrication. Use materials free from defects that may adversely affect the performance or maintainability of individual components or installation.
818.02.3 Plastic Composite Marine Timber (PCMT): Use polyethylene
or polypropylene. Color components by mixing plastic with appropriate colorants. Unless otherwise specified, use alternating black and yellow walers. Provide components containing ultraviolet (UV) inhibitors and antioxidants. Provide components containing hindered amine light stabilizers to provide sufficient resistance to UV light degradation. Conform to the properties of Table 818 -1. A standard commercial product is one that has been sold or is being currently offered for sale on t he commercial market through advertisements or manufacturer's catalogs or brochures, and represents the latest production model. Additional features that improve the product, not specifically prohibited by this specification, but which are a part of manuf acturer's standard commercial product, may be permitted in the PCMT being furnished. Submit for review documentation demonstrating that the PCMT being supplied have been installed on at least two projects constructed no less than 4 years prior, and are cu rrently performing satisfactorily. Use seamless smooth repairable outer skin PCMT with square cross section and rounded corners. Cut both ends square. Use materials free from defects that may adversely affect the performance or maintainability of indivi dual components or installation. Use straight or curved PCMTs. When specified, reinforce the PCMT with fiberglass elements conforming to Table 818 -2. Use PCMTs with dimensions and tolerances conforming to Table 818 -3. Table 818-1 Plastic Properties TEST METHOD PARAMETER COMPONENT REQUIREMENT ASTM D792 Density Skin Unblown plastic - 55-63 lb./cu. ft ASTM E12 Density Core/Annulus 34-50 lb./cu. ft ASTM D570 Water Absorption Skin 24 hr.: < 3.0% wt. Increase 2 hr.: < 1.0% wt. Increase ASTM D746 Brittleness Skin No break at -40°F ASTM D746 modified Impact Resistance Skin Greater than 4 ft -lb./in. ASTM D2240 Hardness Skin 45-55 (Shore D) ASTM D4329 UVA -340 Ultraviolet Skin/Core/Annulus No more than 10% change in Shore D durometer hardness after 500 hours exposure ASTM D4060 Abrasion Skin Weight Loss:< 0.5 g Wear Index: 2.5 to 3.0 Cycles = 10,000 Wheel = CS17 Load = 2.2 lbs. ASTM D543 modified, Procedure I Chemical Resistance Skin/Core/Annulus Sea Water Gasoline No. 2 Diesel < 1.5% weight increase < 7.5% weight increase < 6.0% weight increase ASTM D638 Tensile Properties Skin/Core/Annulus Minimum 500 psi at break ASTM D695 Compressive Modulus Skin/Core/Annulus Minimum 40,000 psi ASTM F489 Coefficient of Friction Skin Maximum 0.25, wet or dry ASTM D1761 Section 102 Nail Pull Out Skin/Core/Annulus Minimum 60 lb. Table 818-2 Figerglass Reinforcing Elements TEST METHOD PROPERTY REQUIREMENT ASTM D4476 Flexural Strength 70,000 psi ASTM D695 Compressive Strength 40,000 psi Table 818-3 Dimensions and Tolerances Size (inch): 6 x 12 8 x 12 10 x 10 12 x 12 Length Tolerance +/- 12 in +/- 12 in +/- 12 in +/- 12 in Width 6.0 +/ - 0.25 in 8.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Height 12.0 +/ - 0.25 in 12.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Corner Radius 2.5 +/ - 0.375 in 2.5 +/ - 0.375 in 1.875 +/ - 0.375 in 1.875 +/ - 0.375 in Outer Skin Thickness 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in Distance from outer surface to reinforcing rods 1.5 +/ - 0.375 in 1.5 +/ - 0.375 in 1.4 +/ - 0.375 in 1.7 +/ - 0.375 in Straightness (gap, bend, or bulge inside while lying on a flat surface) < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length
818.02.4 Extruded Rubber Fender Elements : extrude elements of
homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Use natural or synthetic rubber conforming to one of the following ASTM D2000 line callouts: D2000 3BA 720 A14, B13, C12, F19, Z1, Z2 and Z3 D2000 4AA 720 A13, B13, C12, EA14, F17, Z1 and Z2
818.02.5 Molded Rubber Fender Elements : Mold buckling column
elements of homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Provide elements completely bonded to integral Table 818-2 Figerglass Reinforcing Elements TEST METHOD PROPERTY REQUIREMENT ASTM D4476 Flexural Strength 70,000 psi ASTM D695 Compressive Strength 40,000 psi Table 818-3 Dimensions and Tolerances Size (inch): 6 x 12 8 x 12 10 x 10 12 x 12 Length Tolerance +/- 12 in +/- 12 in +/- 12 in +/- 12 in Width 6.0 +/ - 0.25 in 8.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Height 12.0 +/ - 0.25 in 12.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Corner Radius 2.5 +/ - 0.375 in 2.5 +/ - 0.375 in 1.875 +/ - 0.375 in 1.875 +/ - 0.375 in Outer Skin Thickness 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in Distance from outer surface to reinforcing rods 1.5 +/ - 0.375 in 1.5 +/ - 0.375 in 1.4 +/ - 0.375 in 1.7 +/ - 0.375 in Straightness (gap, bend, or bulge inside while lying on a flat surface) < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length
818.02.4 Extruded Rubber Fender Elements : extrude elements of
homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Use natural or synthetic rubber conforming to one of the following ASTM D2000 line callouts: D2000 3BA 720 A14, B13, C12, F19, Z1, Z2 and Z3 D2000 4AA 720 A13, B13, C12, EA14, F17, Z1 and Z2
818.02.5 Molded Rubber Fender Elements : Mold buckling column
elements of homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Provide elements completely bonded to integral Table 818-2 Figerglass Reinforcing Elements TEST METHOD PROPERTY REQUIREMENT ASTM D4476 Flexural Strength 70,000 psi ASTM D695 Compressive Strength 40,000 psi Table 818-3 Dimensions and Tolerances Size (inch): 6 x 12 8 x 12 10 x 10 12 x 12 Length Tolerance +/- 12 in +/- 12 in +/- 12 in +/- 12 in Width 6.0 +/ - 0.25 in 8.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Height 12.0 +/ - 0.25 in 12.0 +/ - 0.25 in 10.0 +/ - 0.25 in 12.0 +/ - 0.25 in Corner Radius 2.5 +/ - 0.375 in 2.5 +/ - 0.375 in 1.875 +/ - 0.375 in 1.875 +/ - 0.375 in Outer Skin Thickness 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in 0.1875 +/ - 0.125 in Distance from outer surface to reinforcing rods 1.5 +/ - 0.375 in 1.5 +/ - 0.375 in 1.4 +/ - 0.375 in 1.7 +/ - 0.375 in Straightness (gap, bend, or bulge inside while lying on a flat surface) < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length < 1.5 inch per feet of length
818.02.4 Extruded Rubber Fender Elements : extrude elements of
homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Use natural or synthetic rubber conforming to one of the following ASTM D2000 line callouts: D2000 3BA 720 A14, B13, C12, F19, Z1, Z2 and Z3 D2000 4AA 720 A13, B13, C12, EA14, F17, Z1 and Z2
818.02.5 Molded Rubber Fender Elements : Mold buckling column
elements of homogeneous rubber free from defects, including, but not limited to, impurities, pores, and cracks. Provide elements completely bonded to integral steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of steel mounting plates. Fully encase the steel in rubber with a minimum thickness of 1/16 inch. Use natural rubber to mold elements conforming to the following ASTM D2000 line callout as specified in the plans. Unless otherwise noted, use AASHTO M270, Grade 50 steel for steel elements .
818.03 Submittals.
Conform to Section 801 . Submit to the Project Engineer for review one copy of the following:
818.04 Construction Requirements.
Unless otherwise specified, counter -bore holes for anchors and fasteners exposed to vessel impact. Counter -sink the top of fasteners below the surface of the fender element a minimum of 0.5 inches. Installation of pier protection systems and components may involve underwater work.
818.04.1 Marine Pier Protec tion System: Construct pier protection
system as specified in the plans. Pier protection system components to be included in this item will be specified in the plans.
818.04.2 Ultra -High Molecular Weight Polyethylene (UHMW -PE)
Panels : Furnish and install UHMW -PE panels as specified .
818.04.3 Plastic Composite Marine Timber (PCMT): Manufacture
PCMT in a continuous process resulting in no joints within the member. Provide PCMT’s composed of a coextruded outer skin of dense, unblown plastic, an inner core of foam ed plastic manufactured prior to the manufacture of the timber, and an annulus of foamed plastic encapsulating the reinforcing elements.
818.04.3 1 Fabrication : Fabricate the outer skin of the PCMT
continuous, homogenous and smooth throughout the entire length and perimeter of the timber. Form by coextruding a plastic material at the same time that the annulus material is extruded. Conform to the applicable sections of Table 818 -1. Occasional blisters and pockmarks may be allowed in the outer skin. Include a minim um 7.5 percent (by weight) stable bromine/antimony trioxide as a flame -retardant additive in the co -extruded outer skin. Include in each shipment delivered to the job site a quality control report from the manufacturer certifying these minimum requirements are satisfied. Fabricate the annulus of the PCMT as a continuous foamed structure, black in color, throughout the length of the PCMT. Melt fuse the annulus to the inner core in such a manner that the joint between the inner core and the annulus develops t he full strength of the plastic. When reinforcing elements are specified, provide four 1.25 -inch diameter reinforcing elements in the specified cross section. Arrange the reinforcing elements in a rectangular pattern with one bar in each corner of the cro ss section within the annulus of the PCMT. Use reinforcing elements of standard industry make and appearance, and free from kinks and sharp bends. Provide reinforcing elements the length of the PCMT, terminating flush with the ends, with the end of the el ement exposed . Do not use supports for the reinforcing element in the PCMT. Relieve residual stresses in the reinforcing elements through a post -production treatment. Fabricate the inner core of the timber as a continuous homogenous foamed structure whic h reflects a consistent cell structure when viewed across the grain, black and uniform in color, throughout the length of the PCMT. Butt joints as required for manufacturing may be utilized provided the full strength of the member is developed in the joint . No singular void is allowed in excess of 3 percent of the total foamed cross sectional area and greater than 3 inches in length. Relieve residual stresses in PCMTs by performing a post -production operation. Provide a copy of the owner’s field guide with the first shipment of PCMTs to the job site. Include information and diagrams describing and illustrating the recommended means for handling, placing, installing, and finishing the PCMTs .
818.04.3 2 Design and Performance : Provide PMCT’s conforming to
the structural characteristics of Table 818 -4. Provide an independent laboratory report verifying the yield stress and the Modulus of Elasticity of a full -size test specimen. The Modulus is to be taken at a strain of 0.01 inches per inch, where strain equals ( 6) x (depth of cross section) x (deflection) / (span length squared) and where Modulus of Elasticity equals (load) x (span length cubed) / [(48) x (deflection) x (moment of inertia)]. the timber. Form by coextruding a plastic material at the same time that the annulus material is extruded. Conform to the applicable sections of Table 818 -1. Occasional blisters and pockmarks may be allowed in the outer skin. Include a minim um 7.5 percent (by weight) stable bromine/antimony trioxide as a flame -retardant additive in the co -extruded outer skin. Include in each shipment delivered to the job site a quality control report from the manufacturer certifying these minimum requirements are satisfied. Fabricate the annulus of the PCMT as a continuous foamed structure, black in color, throughout the length of the PCMT. Melt fuse the annulus to the inner core in such a manner that the joint between the inner core and the annulus develops t he full strength of the plastic. When reinforcing elements are specified, provide four 1.25 -inch diameter reinforcing elements in the specified cross section. Arrange the reinforcing elements in a rectangular pattern with one bar in each corner of the cro ss section within the annulus of the PCMT. Use reinforcing elements of standard industry make and appearance, and free from kinks and sharp bends. Provide reinforcing elements the length of the PCMT, terminating flush with the ends, with the end of the el ement exposed . Do not use supports for the reinforcing element in the PCMT. Relieve residual stresses in the reinforcing elements through a post -production treatment. Fabricate the inner core of the timber as a continuous homogenous foamed structure whic h reflects a consistent cell structure when viewed across the grain, black and uniform in color, throughout the length of the PCMT. Butt joints as required for manufacturing may be utilized provided the full strength of the member is developed in the joint . No singular void is allowed in excess of 3 percent of the total foamed cross sectional area and greater than 3 inches in length. Relieve residual stresses in PCMTs by performing a post -production operation. Provide a copy of the owner’s field guide with the first shipment of PCMTs to the job site. Include information and diagrams describing and illustrating the recommended means for handling, placing, installing, and finishing the PCMTs .
818.04.3 2 Design and Performance : Provide PMCT’s conforming to
the structural characteristics of Table 818 -4. Provide an independent laboratory report verifying the yield stress and the Modulus of Elasticity of a full -size test specimen. The Modulus is to be taken at a strain of 0.01 inches per inch, where strain equals ( 6) x (depth of cross section) x (deflection) / (span length squared) and where Modulus of Elasticity equals (load) x (span length cubed) / [(48) x (deflection) x (moment of inertia)]. Table 818-4 Structural Properties Size (inch): 6 x 12 (Strong Axis) 8 x 12 (Strong Axis) 10 x 10 12 x 12 Fb (min.) Reinforced with 4 ea. 1.25 inch dia. bars NA 5155 psi 4517 psi 3466 psi Fb (min.) Unreinforced 860 psi 860 psi 860 psi 860 psi Weight - Reinforced 26 – 32 lb/ft 27 - 33 lb/ft 29 - 36 lb/ft 41 – 50 lb/ft Weight - Unreinforced 23 – 29 lb/ft 25 – 31 lb/ft 27 – 33 lb/ft 39 – 47 lb/ft Fb (min.) = Yield Stress in Bending (psi) Weight = pound per foot Provide PCMT’s and accessories of the same classification that are interchangeable. Provide a representative sample of the PCMT clearly marked with the manufacturer’s name and distinct serial number near each end of the product.
818.04.3 3 Quality Assurance : Manufacture with a Quality Assurance
Program and provide PMCT’s meeting the specified material, fabrication, desig n, and performance specifications. The Project Engineer will perform a visual inspection of each complete PCMT for compliance with the appropriate requirements of this specification. The Project Engineer may also inspect manufacturing records to ensure th at the PCMT’s conform to these specifications. Provide documentation of test results of the product, meeting the requirements of this specification, performed by a testing laboratory independent of the manufacturer, and under the direction of a testing en gineer from the testing laboratory. Provide as a minimum the following: A copy of the test report showing the results of the physical and mechanical test listed in Table 818 -1. For these tests, extract all test specimens from a full -scale product of the sp ecified size. The results of these tests may be extended through engineering calculations, to a product of another size only if the other size has the same or smaller cross section than the tested product. Table 818-4 Structural Properties Size (inch): 6 x 12 (Strong Axis) 8 x 12 (Strong Axis) 10 x 10 12 x 12 Fb (min.) Reinforced with 4 ea. 1.25 inch dia. bars NA 5155 psi 4517 psi 3466 psi Fb (min.) Unreinforced 860 psi 860 psi 860 psi 860 psi Weight - Reinforced 26 – 32 lb/ft 27 - 33 lb/ft 29 - 36 lb/ft 41 – 50 lb/ft Weight - Unreinforced 23 – 29 lb/ft 25 – 31 lb/ft 27 – 33 lb/ft 39 – 47 lb/ft Fb (min.) = Yield Stress in Bending (psi) Weight = pound per foot Provide PCMT’s and accessories of the same classification that are interchangeable. Provide a representative sample of the PCMT clearly marked with the manufacturer’s name and distinct serial number near each end of the product.
818.04.3 3 Quality Assurance : Manufacture with a Quality Assurance
Program and provide PMCT’s meeting the specified material, fabrication, desig n, and performance specifications. The Project Engineer will perform a visual inspection of each complete PCMT for compliance with the appropriate requirements of this specification. The Project Engineer may also inspect manufacturing records to ensure th at the PCMT’s conform to these specifications. Provide documentation of test results of the product, meeting the requirements of this specification, performed by a testing laboratory independent of the manufacturer, and under the direction of a testing en gineer from the testing laboratory. Provide as a minimum the following: A copy of the test report showing the results of the physical and mechanical test listed in Table 818 -1. For these tests, extract all test specimens from a full -scale product of the sp ecified size. The results of these tests may be extended through engineering calculations, to a product of another size only if the other size has the same or smaller cross section than the tested product. Cut test specimens from plastic from the full -scale product, except those tests that require the entire cross section of the product to be tested. Test the product full -scale in bending, to quantitatively determine the flexural modulus of elasticity and the bending yield stress. Scale model tests are n ot acceptable. Use a test configuration which provides three point bending, with the product simply supported at two locations, with the load applied equidistant from the two supports. Use a supported span to depth ratio of a minimum of 16:1. Load the p roduct at least until the specified minimum yield stress is reached. During the test, load and record the corresponding deflection data. Measure deflection at the load point, and at two other points, each equidistant between the supports and the load. M easure deflection at least at 1,000 pound load increments. Use load and deflection data acquired during the test to calculate the stiffness (EI), and the bending stress. The flexural modulus of elasticity is calculated by dividing EI by the moment of iner tia of the cross section of the product. Calculate the properties utilizing standard elastic beam flexure formulas. Report the stiffness (EI) as the average of the stiffness at all measurement locations, between zero load and half the load corresponding to the specification yield stress. The specified minimum yield stress in bending is required to be reached before failure of the product. Calculate stress at the load point, on the tension side of the PCMT.
818.04.3 4 Transportation and Installation : Transport the PMCT in
a manner to minimize any scratching or damage to the outer surface. Install in accordance with the manufacturer's recommendations and guidelines as noted in the owner’s field guide and as specified.
818.04.4 Extruded Rubber Fender Elements : Install extruded rubber
fender elements as specified. When necessary, close the bore with molded end closure, rubber plugs, or other acceptable means to prevent bore filling with material. Provide the Project Engineer with certified performance curves, certificat e of analysis, and material test reports for rubber compound, furnished by the manufacturer’s testing laboratory or an independent testing agency, attesting that each product or material furnished meets the specification. Manufacturer of extruded, direct -contact fenders shall have been manufacturing extruded rubber marine fenders for at least 5 years and show proof of at least three installations, each having been in service at least three years and currently performing satisfactorily .
818.04.5 Molded Rubber Fender Elements : Erect buckling column in
the specified location and attach to the pier protection components using the specified hardware. Cut test specimens from plastic from the full -scale product, except those tests that require the entire cross section of the product to be tested. Test the product full -scale in bending, to quantitatively determine the flexural modulus of elasticity and the bending yield stress. Scale model tests are n ot acceptable. Use a test configuration which provides three point bending, with the product simply supported at two locations, with the load applied equidistant from the two supports. Use a supported span to depth ratio of a minimum of 16:1. Load the p roduct at least until the specified minimum yield stress is reached. During the test, load and record the corresponding deflection data. Measure deflection at the load point, and at two other points, each equidistant between the supports and the load. M easure deflection at least at 1,000 pound load increments. Use load and deflection data acquired during the test to calculate the stiffness (EI), and the bending stress. The flexural modulus of elasticity is calculated by dividing EI by the moment of iner tia of the cross section of the product. Calculate the properties utilizing standard elastic beam flexure formulas. Report the stiffness (EI) as the average of the stiffness at all measurement locations, between zero load and half the load corresponding to the specification yield stress. The specified minimum yield stress in bending is required to be reached before failure of the product. Calculate stress at the load point, on the tension side of the PCMT.
818.04.3 4 Transportation and Installation : Transport the PMCT in
a manner to minimize any scratching or damage to the outer surface. Install in accordance with the manufacturer's recommendations and guidelines as noted in the owner’s field guide and as specified.
818.04.4 Extruded Rubber Fender Elements : Install extruded rubber
fender elements as specified. When necessary, close the bore with molded end closure, rubber plugs, or other acceptable means to prevent bore filling with material. Provide the Project Engineer with certified performance curves, certificat e of analysis, and material test reports for rubber compound, furnished by the manufacturer’s testing laboratory or an independent testing agency, attesting that each product or material furnished meets the specification. Manufacturer of extruded, direct -contact fenders shall have been manufacturing extruded rubber marine fenders for at least 5 years and show proof of at least three installations, each having been in service at least three years and currently performing satisfactorily .
818.04.5 Molded Rubber Fender Elements : Erect buckling column in
the specified location and attach to the pier protection components using the specified hardware. Cut test specimens from plastic from the full -scale product, except those tests that require the entire cross section of the product to be tested. Test the product full -scale in bending, to quantitatively determine the flexural modulus of elasticity and the bending yield stress. Scale model tests are n ot acceptable. Use a test configuration which provides three point bending, with the product simply supported at two locations, with the load applied equidistant from the two supports. Use a supported span to depth ratio of a minimum of 16:1. Load the p roduct at least until the specified minimum yield stress is reached. During the test, load and record the corresponding deflection data. Measure deflection at the load point, and at two other points, each equidistant between the supports and the load. M easure deflection at least at 1,000 pound load increments. Use load and deflection data acquired during the test to calculate the stiffness (EI), and the bending stress. The flexural modulus of elasticity is calculated by dividing EI by the moment of iner tia of the cross section of the product. Calculate the properties utilizing standard elastic beam flexure formulas. Report the stiffness (EI) as the average of the stiffness at all measurement locations, between zero load and half the load corresponding to the specification yield stress. The specified minimum yield stress in bending is required to be reached before failure of the product. Calculate stress at the load point, on the tension side of the PCMT.
818.04.3 4 Transportation and Installation : Transport the PMCT in
a manner to minimize any scratching or damage to the outer surface. Install in accordance with the manufacturer's recommendations and guidelines as noted in the owner’s field guide and as specified.
818.04.4 Extruded Rubber Fender Elements : Install extruded rubber
fender elements as specified. When necessary, close the bore with molded end closure, rubber plugs, or other acceptable means to prevent bore filling with material. Provide the Project Engineer with certified performance curves, certificat e of analysis, and material test reports for rubber compound, furnished by the manufacturer’s testing laboratory or an independent testing agency, attesting that each product or material furnished meets the specification. Manufacturer of extruded, direct -contact fenders shall have been manufacturing extruded rubber marine fenders for at least 5 years and show proof of at least three installations, each having been in service at least three years and currently performing satisfactorily .
818.04.5 Molded Rubber Fender Elements : Erect buckling column in
the specified location and attach to the pier protection components using the specified hardware. Cut test specimens from plastic from the full -scale product, except those tests that require the entire cross section of the product to be tested. Test the product full -scale in bending, to quantitatively determine the flexural modulus of elasticity and the bending yield stress. Scale model tests are n ot acceptable. Use a test configuration which provides three point bending, with the product simply supported at two locations, with the load applied equidistant from the two supports. Use a supported span to depth ratio of a minimum of 16:1. Load the p roduct at least until the specified minimum yield stress is reached. During the test, load and record the corresponding deflection data. Measure deflection at the load point, and at two other points, each equidistant between the supports and the load. M easure deflection at least at 1,000 pound load increments. Use load and deflection data acquired during the test to calculate the stiffness (EI), and the bending stress. The flexural modulus of elasticity is calculated by dividing EI by the moment of iner tia of the cross section of the product. Calculate the properties utilizing standard elastic beam flexure formulas. Report the stiffness (EI) as the average of the stiffness at all measurement locations, between zero load and half the load corresponding to the specification yield stress. The specified minimum yield stress in bending is required to be reached before failure of the product. Calculate stress at the load point, on the tension side of the PCMT.
818.04.3 4 Transportation and Installation : Transport the PMCT in
a manner to minimize any scratching or damage to the outer surface. Install in accordance with the manufacturer's recommendations and guidelines as noted in the owner’s field guide and as specified.
818.04.4 Extruded Rubber Fender Elements : Install extruded rubber
fender elements as specified. When necessary, close the bore with molded end closure, rubber plugs, or other acceptable means to prevent bore filling with material. Provide the Project Engineer with certified performance curves, certificat e of analysis, and material test reports for rubber compound, furnished by the manufacturer’s testing laboratory or an independent testing agency, attesting that each product or material furnished meets the specification. Manufacturer of extruded, direct -contact fenders shall have been manufacturing extruded rubber marine fenders for at least 5 years and show proof of at least three installations, each having been in service at least three years and currently performing satisfactorily .
818.04.5 Molded Rubber Fender Elements : Erect buckling column in
the specified location and attach to the pier protection components using the specified hardware. Performance requirements for fender elements are as follows. Minimum Energy absorbed = 39 ft -kips + 10 percent Maximu m Reaction Force = 43 kips + 10 percent Provide fender elements capable of absorbing a horizontal shearing force equal to 30 percent of its rated reaction, while simultaneously absorbing the specified minimum energy without exceeding the specified maximum reaction. Provide a minimum and maximum allowable fender standoff adequate to prevent contact between the bridge and other objects, and measured as indicated in the plans. Submit to the Project Engineer a certified test report or certificate of conformance or compliance, furnished by a recognized independent domestic testing lab, attesting that each product or material furnished under this specification meets the requirements herein. Furnish certified test reports or certificates for the rubber compound and the steel. Manufacturer of rubber fender elements shall have been manufacturing rubber fender elements for at least 5 years and show proof of at least 3e installations, each having been in service at least three years and currently performing satisfactori ly.
818.05 MEASUREMENT. Pier protection system will be measured per lump
sum. UHMW -PE panels will be measured per square foot of material satisfactorily installed and accepted. Plastic composite marine timber (unreinforced/reinforced) will be measured by the linear foot of installed and accepted timber. Extruded rubber fender elements will be measured by the linear foot of installed and accepted fender element. Molded rubber fender elements will be measured per each fender element installed and accepted.
818.06 PAYMEN T. Payment will be made at the contract unit price which
includes all material, fabrication, testing, certification, divers, mounting fasteners and anchors, tools, equipment, labor, transportation and incidentals, and the performance of all work necessa ry to complete the work. Payment will be at the contract unit price under: Performance requirements for fender elements are as follows. Minimum Energy absorbed = 39 ft -kips + 10 percent Maximu m Reaction Force = 43 kips + 10 percent Provide fender elements capable of absorbing a horizontal shearing force equal to 30 percent of its rated reaction, while simultaneously absorbing the specified minimum energy without exceeding the specified maximum reaction. Provide a minimum and maximum allowable fender standoff adequate to prevent contact between the bridge and other objects, and measured as indicated in the plans. Submit to the Project Engineer a certified test report or certificate of conformance or compliance, furnished by a recognized independent domestic testing lab, attesting that each product or material furnished under this specification meets the requirements herein. Furnish certified test reports or certificates for the rubber compound and the steel. Manufacturer of rubber fender elements shall have been manufacturing rubber fender elements for at least 5 years and show proof of at least 3e installations, each having been in service at least three years and currently performing satisfactori ly.
818.05 MEASUREMENT. Pier protection system will be measured per lump
sum. UHMW -PE panels will be measured per square foot of material satisfactorily installed and accepted. Plastic composite marine timber (unreinforced/reinforced) will be measured by the linear foot of installed and accepted timber. Extruded rubber fender elements will be measured by the linear foot of installed and accepted fender element. Molded rubber fender elements will be measured per each fender element installed and accepted.
818.06 PAYMEN T. Payment will be made at the contract unit price which
includes all material, fabrication, testing, certification, divers, mounting fasteners and anchors, tools, equipment, labor, transportation and incidentals, and the performance of all work necessa ry to complete the work. Payment will be at the contract unit price under: Performance requirements for fender elements are as follows. Minimum Energy absorbed = 39 ft -kips + 10 percent Maximu m Reaction Force = 43 kips + 10 percent Provide fender elements capable of absorbing a horizontal shearing force equal to 30 percent of its rated reaction, while simultaneously absorbing the specified minimum energy without exceeding the specified maximum reaction. Provide a minimum and maximum allowable fender standoff adequate to prevent contact between the bridge and other objects, and measured as indicated in the plans. Submit to the Project Engineer a certified test report or certificate of conformance or compliance, furnished by a recognized independent domestic testing lab, attesting that each product or material furnished under this specification meets the requirements herein. Furnish certified test reports or certificates for the rubber compound and the steel. Manufacturer of rubber fender elements shall have been manufacturing rubber fender elements for at least 5 years and show proof of at least 3e installations, each having been in service at least three years and currently performing satisfactori ly.
818.05 MEASUREMENT. Pier protection system will be measured per lump
sum. UHMW -PE panels will be measured per square foot of material satisfactorily installed and accepted. Plastic composite marine timber (unreinforced/reinforced) will be measured by the linear foot of installed and accepted timber. Extruded rubber fender elements will be measured by the linear foot of installed and accepted fender element. Molded rubber fender elements will be measured per each fender element installed and accepted.
818.06 PAYMEN T. Payment will be made at the contract unit price which
includes all material, fabrication, testing, certification, divers, mounting fasteners and anchors, tools, equipment, labor, transportation and incidentals, and the performance of all work necessa ry to complete the work. Payment will be at the contract unit price under: Item No. Pay Item Pay Unit 818-01 Pier Protection System (Marine) Lump Sum 818-02 UHMW -PE Panels Square Foot 818-03 Unreinforced Plastic Composite Marine Timber (Size) Linear Foot 818-04 Reinforced Plastic Composite Marine Timber (Size) Linear Foot 818-05 Extruded Rubber Fender Elements Linear Foot 818-06 Molded Rubber Fender Elements Each Section 819 (Reserved) Section 820 Movable Bridges
820.01 DESCRIPTION. Provide all material, equipment, tools, measuring
devices, and labor to purchase/fabricate, shop test, transport, install/erect, align/adjust, paint, lubricate, field test, and setup a Movable Bridge as specified herein. These specification govern both new construction projects and rehabi litation/ repair projects.
820.01.1 Structural Specifications: All specifications for bridges in other
sections that are applicable to the structure of a Movable Bridge shall apply, unless otherwise specified herein or shown on the plans.
820.01.2 Mechanical System Speci fications: See Section 821 for
Mechanical System specifications.
820.01.3 Electrical System Specifications: See Section 822 for
Electrical System specifications.
820.01.4 Operator’s House/Machinery House Specifications: See
Section 823 for Operator’s House/Machinery House specifications.
820.02 ACRONYMS AND ABBREVI ATIONS. See 101.02 , 801.02 , 821.02 ,
and 822.02 for acronyms and abbreviations.
820.03 DEFINITIONS. See 101.03 , 801.03 , 821.03 , and 822.03 for additional
definitions. Balance Blocks . Concrete blocks that can be added or removed from a counterweight to adjust the counterbalance of a movable span, usually weighing approximately 80 pounds. Bobtail Swing Span Bridge. A swing span bridge where the length of the movable span on the channel side of the pivot girder is longer than the opposite length. Balancing the span requires a counterweight.