830DESCRIPTION

830.01 DESCRIPTION. Perform structural repairs and rehabilitation as

specified.

830.02 MATERIALS. Materials shall be specific to the required actions of the

contract. Comply with the following sections and subsections: Structural Concrete 805.02 Reinforcing Steel 806.02 Structural Metals 807.02 Steel Grid Flooring 808.02 Bridge Railings, Hand Railings and Permanent Roadway Barriers 810.02 Painting and Protective Coat ings 811.03 Treated Timber 812.02 Concrete Approach Slabs 813.02 Bearings 814.02 Joints 815.02 Drainage Systems 816.02 Movable Bridges 820.04 Mechanical Systems 821.04 Electrical Systems 822.04 Facilities 823.04 Portland Cement Concrete 901.02 Epoxy Resin Adhesives Section 1017

830.02.1 Structural Concrete Patching : Conform to Table 830-1 for

structural concrete patching unless otherwise specified. An exception is made for the specific case of patching tops of decks, where rapid setting patching materials for concrete from the Approved Materials List may be used. Repair and Rehabilitation

830.01 DESCRIPTION. Perform structural repairs and rehabilitation as

specified.

830.02 MATERIALS. Materials shall be specific to the required actions of the

contract. Comply with the following sections and subsections: Structural Concrete 805.02 Reinforcing Steel 806.02 Structural Metals 807.02 Steel Grid Flooring 808.02 Bridge Railings, Hand Railings and Permanent Roadway Barriers 810.02 Painting and Protective Coat ings 811.03 Treated Timber 812.02 Concrete Approach Slabs 813.02 Bearings 814.02 Joints 815.02 Drainage Systems 816.02 Movable Bridges 820.04 Mechanical Systems 821.04 Electrical Systems 822.04 Facilities 823.04 Portland Cement Concrete 901.02 Epoxy Resin Adhesives Section 1017

830.02.1 Structural Concrete Patching : Conform to Table 830-1 for

structural concrete patching unless otherwise specified. An exception is made for the specific case of patching tops of decks, where rapid setting patching materials for concrete from the Approved Materials List may be used. Repair and Rehabilitation

830.01 DESCRIPTION. Perform structural repairs and rehabilitation as

specified.

830.02 MATERIALS. Materials shall be specific to the required actions of the

contract. Comply with the following sections and subsections: Structural Concrete 805.02 Reinforcing Steel 806.02 Structural Metals 807.02 Steel Grid Flooring 808.02 Bridge Railings, Hand Railings and Permanent Roadway Barriers 810.02 Painting and Protective Coat ings 811.03 Treated Timber 812.02 Concrete Approach Slabs 813.02 Bearings 814.02 Joints 815.02 Drainage Systems 816.02 Movable Bridges 820.04 Mechanical Systems 821.04 Electrical Systems 822.04 Facilities 823.04 Portland Cement Concrete 901.02 Epoxy Resin Adhesives Section 1017

830.02.1 Structural Concrete Patching : Conform to Table 830-1 for

structural concrete patching unless otherwise specified. An exception is made for the specific case of patching tops of decks, where rapid setting patching materials for concrete from the Approved Materials List may be used. Table 830-1 Structural Concre te Patching Material Requirements Parameter Test Value Minimum Compressive Strength ASTM C39 or ASTM C109 2000 psi (min.) at 24 hrs 4000 psi (min.) at 7 days Curing Shrinkage ASTM C157 0.07% max. at 28 days Curing Expansion ASTM C157 0.03% max. at 1 day Thermal Expansion ASTM C531 5.0 x 10-6 in/in/ °F (min.) at 28 days 9.0 x 10-6 in/in/ °F (max.) at 28 days Bond Strength by Slant Shear ASTM C882 2000 psi (min.) at 3 days

830.03 SUBMITTALS . Conform to Section 801 . Review times will be in

accordance with 801.05.1 .2.3.

830.03.1 Structural Concrete Patching : As a minimum, submit the

following information for review: Name and type of the proposed repair mortar material and associated Portland cement concrete; Name and address of supplier and manufacturer of the repair mortar and associated bonding agent; Product data sheets showing compliance in accordance with the latest approved materials sampling manual specifications. The engineer may require documentation from an approved in dependent testing authority to confirm the performance criteria stated on product data sheets; Detailed proposal of concrete removal, application, and curing techniques to be used; For site mixed cementitous mortar, the following additional information i s required:

830.03.2 Span Movement : Prior to beginning work, submit to the Bridge

Engineer for review a span movement plan designed, sealed, signed and dated by a Profe ssional Engineer registered in the State of Louisiana which addresses all Table 830-1 Structural Concre te Patching Material Requirements Parameter Test Value Minimum Compressive Strength ASTM C39 or ASTM C109 2000 psi (min.) at 24 hrs 4000 psi (min.) at 7 days Curing Shrinkage ASTM C157 0.07% max. at 28 days Curing Expansion ASTM C157 0.03% max. at 1 day Thermal Expansion ASTM C531 5.0 x 10-6 in/in/ °F (min.) at 28 days 9.0 x 10-6 in/in/ °F (max.) at 28 days Bond Strength by Slant Shear ASTM C882 2000 psi (min.) at 3 days

830.03 SUBMITTALS . Conform to Section 801 . Review times will be in

accordance with 801.05.1 .2.3.

830.03.1 Structural Concrete Patching : As a minimum, submit the

following information for review: Name and type of the proposed repair mortar material and associated Portland cement concrete; Name and address of supplier and manufacturer of the repair mortar and associated bonding agent; Product data sheets showing compliance in accordance with the latest approved materials sampling manual specifications. The engineer may require documentation from an approved in dependent testing authority to confirm the performance criteria stated on product data sheets; Detailed proposal of concrete removal, application, and curing techniques to be used; For site mixed cementitous mortar, the following additional information i s required:

830.03.2 Span Movement : Prior to beginning work, submit to the Bridge

Engineer for review a span movement plan designed, sealed, signed and dated by a Profe ssional Engineer registered in the State of Louisiana which addresses all Table 830-1 Structural Concre te Patching Material Requirements Parameter Test Value Minimum Compressive Strength ASTM C39 or ASTM C109 2000 psi (min.) at 24 hrs 4000 psi (min.) at 7 days Curing Shrinkage ASTM C157 0.07% max. at 28 days Curing Expansion ASTM C157 0.03% max. at 1 day Thermal Expansion ASTM C531 5.0 x 10-6 in/in/ °F (min.) at 28 days 9.0 x 10-6 in/in/ °F (max.) at 28 days Bond Strength by Slant Shear ASTM C882 2000 psi (min.) at 3 days

830.03 SUBMITTALS . Conform to Section 801 . Review times will be in

accordance with 801.05.1 .2.3.

830.03.1 Structural Concrete Patching : As a minimum, submit the

following information for review: Name and type of the proposed repair mortar material and associated Portland cement concrete; Name and address of supplier and manufacturer of the repair mortar and associated bonding agent; Product data sheets showing compliance in accordance with the latest approved materials sampling manual specifications. The engineer may require documentation from an approved in dependent testing authority to confirm the performance criteria stated on product data sheets; Detailed proposal of concrete removal, application, and curing techniques to be used; For site mixed cementitous mortar, the following additional information i s required:

830.03.2 Span Movement : Prior to beginning work, submit to the Bridge

Engineer for review a span movement plan designed, sealed, signed and dated by a Profe ssional Engineer registered in the State of Louisiana which addresses all Table 830-1 Structural Concre te Patching Material Requirements Parameter Test Value Minimum Compressive Strength ASTM C39 or ASTM C109 2000 psi (min.) at 24 hrs 4000 psi (min.) at 7 days Curing Shrinkage ASTM C157 0.07% max. at 28 days Curing Expansion ASTM C157 0.03% max. at 1 day Thermal Expansion ASTM C531 5.0 x 10-6 in/in/ °F (min.) at 28 days 9.0 x 10-6 in/in/ °F (max.) at 28 days Bond Strength by Slant Shear ASTM C882 2000 psi (min.) at 3 days

830.03 SUBMITTALS . Conform to Section 801 . Review times will be in

accordance with 801.05.1 .2.3.

830.03.1 Structural Concrete Patching : As a minimum, submit the

following information for review: Name and type of the proposed repair mortar material and associated Portland cement concrete; Name and address of supplier and manufacturer of the repair mortar and associated bonding agent; Product data sheets showing compliance in accordance with the latest approved materials sampling manual specifications. The engineer may require documentation from an approved in dependent testing authority to confirm the performance criteria stated on product data sheets; Detailed proposal of concrete removal, application, and curing techniques to be used; For site mixed cementitous mortar, the following additional information i s required:

830.03.2 Span Movement : Prior to beginning work, submit to the Bridge

Engineer for review a span movement plan designed, sealed, signed and dated by a Profe ssional Engineer registered in the State of Louisiana which addresses all structural, environmental and traffic management goals and commitments of the contract.

830.03.3 Structure Jacking : Prior to beginning work, submit to the Bridge

Engineer for review a stru cture jacking plan designed, sealed, signed and dated by a Professional Engineer registered in the State of Louisiana. Provide as a minimum the following information: • Design of the structure jacking system; • Equipment; • Loads and capacities; • Sequence of operations; • Shoring; and • Traffic management goals and commitments.

830.03.4 Bolt-Rivet Replacement (Structural Steel) : Submit to the

engineer for review a fastener removal plan demonstrating that the proposed sequence and method of removal is a safe method and w ill not damage or adversely affect the structural members involved.

830.04 CONSTRUCTION REQUIREMENTS . Construction requirements will

be specific to the structural repair and rehabilitation work specified.

830.04.1 Structural Concrete Patching : Repair designated areas shown

on the plans. Remove loose or defective concrete. Saw cut and/or chip a perpendicular or back -tapered face along the periphery of the repair area so that the minimum depth of repair is approximately 1/2 -inch to prevent feathered edges. Sandb last and remove all loose particles, dirt, deteriorated concrete or other substances from the repair area that could impair the bond between the existing concrete and reinforcing steel to remain and repair material. Maintain all reinforcing steel at its o riginal position and clean exposed steel to meet SSPC -SP3 or SSPC -SP6 prior to placement of repair material. Replace damaged or corroded reinforcing steel with bars and splices of equal or greater capacity and as directed. Add reinforcing steel as specif ied in the plans. Apply a bonding agent to the entire repair area including the reinforcing steel prior to placement of the patch material , and mix, apply and cure materials all in accordance with the manufacturer’s recommendations. Remove forms as directe d by the engineer. Do not allow mortar or concrete to freeze during placement or curing. Sound completed repairs to locate any defective areas. Remove and repair defective areas at no additional cost or time to the Department. Finish patched areas in a ccordance with the plans and 805.08 . structural, environmental and traffic management goals and commitments of the contract.

830.03.3 Structure Jacking : Prior to beginning work, submit to the Bridge

Engineer for review a stru cture jacking plan designed, sealed, signed and dated by a Professional Engineer registered in the State of Louisiana. Provide as a minimum the following information: • Design of the structure jacking system; • Equipment; • Loads and capacities; • Sequence of operations; • Shoring; and • Traffic management goals and commitments.

830.03.4 Bolt-Rivet Replacement (Structural Steel) : Submit to the

engineer for review a fastener removal plan demonstrating that the proposed sequence and method of removal is a safe method and w ill not damage or adversely affect the structural members involved.

830.04 CONSTRUCTION REQUIREMENTS . Construction requirements will

be specific to the structural repair and rehabilitation work specified.

830.04.1 Structural Concrete Patching : Repair designated areas shown

on the plans. Remove loose or defective concrete. Saw cut and/or chip a perpendicular or back -tapered face along the periphery of the repair area so that the minimum depth of repair is approximately 1/2 -inch to prevent feathered edges. Sandb last and remove all loose particles, dirt, deteriorated concrete or other substances from the repair area that could impair the bond between the existing concrete and reinforcing steel to remain and repair material. Maintain all reinforcing steel at its o riginal position and clean exposed steel to meet SSPC -SP3 or SSPC -SP6 prior to placement of repair material. Replace damaged or corroded reinforcing steel with bars and splices of equal or greater capacity and as directed. Add reinforcing steel as specif ied in the plans. Apply a bonding agent to the entire repair area including the reinforcing steel prior to placement of the patch material , and mix, apply and cure materials all in accordance with the manufacturer’s recommendations. Remove forms as directe d by the engineer. Do not allow mortar or concrete to freeze during placement or curing. Sound completed repairs to locate any defective areas. Remove and repair defective areas at no additional cost or time to the Department. Finish patched areas in a ccordance with the plans and 805.08 . structural, environmental and traffic management goals and commitments of the contract.

830.03.3 Structure Jacking : Prior to beginning work, submit to the Bridge

Engineer for review a stru cture jacking plan designed, sealed, signed and dated by a Professional Engineer registered in the State of Louisiana. Provide as a minimum the following information: • Design of the structure jacking system; • Equipment; • Loads and capacities; • Sequence of operations; • Shoring; and • Traffic management goals and commitments.

830.03.4 Bolt-Rivet Replacement (Structural Steel) : Submit to the

engineer for review a fastener removal plan demonstrating that the proposed sequence and method of removal is a safe method and w ill not damage or adversely affect the structural members involved.

830.04 CONSTRUCTION REQUIREMENTS . Construction requirements will

be specific to the structural repair and rehabilitation work specified.

830.04.1 Structural Concrete Patching : Repair designated areas shown

on the plans. Remove loose or defective concrete. Saw cut and/or chip a perpendicular or back -tapered face along the periphery of the repair area so that the minimum depth of repair is approximately 1/2 -inch to prevent feathered edges. Sandb last and remove all loose particles, dirt, deteriorated concrete or other substances from the repair area that could impair the bond between the existing concrete and reinforcing steel to remain and repair material. Maintain all reinforcing steel at its o riginal position and clean exposed steel to meet SSPC -SP3 or SSPC -SP6 prior to placement of repair material. Replace damaged or corroded reinforcing steel with bars and splices of equal or greater capacity and as directed. Add reinforcing steel as specif ied in the plans. Apply a bonding agent to the entire repair area including the reinforcing steel prior to placement of the patch material , and mix, apply and cure materials all in accordance with the manufacturer’s recommendations. Remove forms as directe d by the engineer. Do not allow mortar or concrete to freeze during placement or curing. Sound completed repairs to locate any defective areas. Remove and repair defective areas at no additional cost or time to the Department. Finish patched areas in a ccordance with the plans and 805.08 . structural, environmental and traffic management goals and commitments of the contract.

830.03.3 Structure Jacking : Prior to beginning work, submit to the Bridge

Engineer for review a stru cture jacking plan designed, sealed, signed and dated by a Professional Engineer registered in the State of Louisiana. Provide as a minimum the following information: • Design of the structure jacking system; • Equipment; • Loads and capacities; • Sequence of operations; • Shoring; and • Traffic management goals and commitments.

830.03.4 Bolt-Rivet Replacement (Structural Steel) : Submit to the

engineer for review a fastener removal plan demonstrating that the proposed sequence and method of removal is a safe method and w ill not damage or adversely affect the structural members involved.

830.04 CONSTRUCTION REQUIREMENTS . Construction requirements will

be specific to the structural repair and rehabilitation work specified.

830.04.1 Structural Concrete Patching : Repair designated areas shown

on the plans. Remove loose or defective concrete. Saw cut and/or chip a perpendicular or back -tapered face along the periphery of the repair area so that the minimum depth of repair is approximately 1/2 -inch to prevent feathered edges. Sandb last and remove all loose particles, dirt, deteriorated concrete or other substances from the repair area that could impair the bond between the existing concrete and reinforcing steel to remain and repair material. Maintain all reinforcing steel at its o riginal position and clean exposed steel to meet SSPC -SP3 or SSPC -SP6 prior to placement of repair material. Replace damaged or corroded reinforcing steel with bars and splices of equal or greater capacity and as directed. Add reinforcing steel as specif ied in the plans. Apply a bonding agent to the entire repair area including the reinforcing steel prior to placement of the patch material , and mix, apply and cure materials all in accordance with the manufacturer’s recommendations. Remove forms as directe d by the engineer. Do not allow mortar or concrete to freeze during placement or curing. Sound completed repairs to locate any defective areas. Remove and repair defective areas at no additional cost or time to the Department. Finish patched areas in a ccordance with the plans and 805.08 . structural, environmental and traffic management goals and commitments of the contract.

830.03.3 Structure Jacking : Prior to beginning work, submit to the Bridge

Engineer for review a stru cture jacking plan designed, sealed, signed and dated by a Professional Engineer registered in the State of Louisiana. Provide as a minimum the following information: • Design of the structure jacking system; • Equipment; • Loads and capacities; • Sequence of operations; • Shoring; and • Traffic management goals and commitments.

830.03.4 Bolt-Rivet Replacement (Structural Steel) : Submit to the

engineer for review a fastener removal plan demonstrating that the proposed sequence and method of removal is a safe method and w ill not damage or adversely affect the structural members involved.

830.04 CONSTRUCTION REQUIREMENTS . Construction requirements will

be specific to the structural repair and rehabilitation work specified.

830.04.1 Structural Concrete Patching : Repair designated areas shown

on the plans. Remove loose or defective concrete. Saw cut and/or chip a perpendicular or back -tapered face along the periphery of the repair area so that the minimum depth of repair is approximately 1/2 -inch to prevent feathered edges. Sandb last and remove all loose particles, dirt, deteriorated concrete or other substances from the repair area that could impair the bond between the existing concrete and reinforcing steel to remain and repair material. Maintain all reinforcing steel at its o riginal position and clean exposed steel to meet SSPC -SP3 or SSPC -SP6 prior to placement of repair material. Replace damaged or corroded reinforcing steel with bars and splices of equal or greater capacity and as directed. Add reinforcing steel as specif ied in the plans. Apply a bonding agent to the entire repair area including the reinforcing steel prior to placement of the patch material , and mix, apply and cure materials all in accordance with the manufacturer’s recommendations. Remove forms as directe d by the engineer. Do not allow mortar or concrete to freeze during placement or curing. Sound completed repairs to locate any defective areas. Remove and repair defective areas at no additional cost or time to the Department. Finish patched areas in a ccordance with the plans and 805.08 . Temporary shoring is required for structure members that have insufficient load carrying capacity during the patching process. Orientation of repair area may affect material and constructio n requirements. Maintain m aterials in original sealed containers until the time of use and store in accordance with the manufacturer’s recommendations . Material s shall be accompanied by a certificate of manufacture. Materials stored beyond the manufacturer’s recommended shelf life shall not be used and will be rejected .

830.04.2 Span Movement : Span movement may involve transportation of

a span to or from a staging area, jacking and sliding a span from one location to another, lifting a span from one l ocation to another, etc. as specified. Provide all equipment, temporary works, staging areas for span construction, jacking, lifting, movement of a superstructure span or unit using mechanized methods , placement of the span or unit, and the restoration of the staging areas to their original condition. All work shall be in accordance with the contract.

830.04.3 Structure Jacking : Structure jacking is the raising and lowering

of structures as specified. Jack the structure in accordance with the Contract and as directed by the engineer. Do not d amage the structure. Temporary bracing and shoring may be required to prevent damage to the structure and to temporarily support structure loads . If used, bracing and shoring shall be designed , sealed, signed and dated by a Professional Engineer, registered in the State of Louisiana . Damage is defined as any change in the structure which permanently decreases the capacity and/or reduces the life span of the structure or any of its components. Whether or not jacking has caused damage will be determined by the engineer and repairs shall be made to the satisfaction of the engineer at no additional cost or time to the Department .

830.04.4 Epoxy Injection : Repair cracks in concrete using an epoxy

injection system in accordance with the contract, the manufacturer’s recommendations, and as directed by the engineer.

830.04.5 Bolt-Rivet Replacement (Structural Steel) : Remove existing

fasteners identified in the Contract and replace with new high strength fastener assemblies conforming to Section 807 . Do not damage any structural steel to remain during fastener removal. Unless specified otherwise, remove fasteners by mechanical means only. Removal by torching is not allowed. Unless specified otherwise, all removed fasteners and any coating material will become the property of the contractor and disposed of in accordance with Section 202 . Comply with Section 811 for removal of the existing coatings. Temporary shoring is required for structure members that have insufficient load carrying capacity during the patching process. Orientation of repair area may affect material and constructio n requirements. Maintain m aterials in original sealed containers until the time of use and store in accordance with the manufacturer’s recommendations . Material s shall be accompanied by a certificate of manufacture. Materials stored beyond the manufacturer’s recommended shelf life shall not be used and will be rejected .

830.04.2 Span Movement : Span movement may involve transportation of

a span to or from a staging area, jacking and sliding a span from one location to another, lifting a span from one l ocation to another, etc. as specified. Provide all equipment, temporary works, staging areas for span construction, jacking, lifting, movement of a superstructure span or unit using mechanized methods , placement of the span or unit, and the restoration of the staging areas to their original condition. All work shall be in accordance with the contract.

830.04.3 Structure Jacking : Structure jacking is the raising and lowering

of structures as specified. Jack the structure in accordance with the Contract and as directed by the engineer. Do not d amage the structure. Temporary bracing and shoring may be required to prevent damage to the structure and to temporarily support structure loads . If used, bracing and shoring shall be designed , sealed, signed and dated by a Professional Engineer, registered in the State of Louisiana . Damage is defined as any change in the structure which permanently decreases the capacity and/or reduces the life span of the structure or any of its components. Whether or not jacking has caused damage will be determined by the engineer and repairs shall be made to the satisfaction of the engineer at no additional cost or time to the Department .

830.04.4 Epoxy Injection : Repair cracks in concrete using an epoxy

injection system in accordance with the contract, the manufacturer’s recommendations, and as directed by the engineer.

830.04.5 Bolt-Rivet Replacement (Structural Steel) : Remove existing

fasteners identified in the Contract and replace with new high strength fastener assemblies conforming to Section 807 . Do not damage any structural steel to remain during fastener removal. Unless specified otherwise, remove fasteners by mechanical means only. Removal by torching is not allowed. Unless specified otherwise, all removed fasteners and any coating material will become the property of the contractor and disposed of in accordance with Section 202 . Comply with Section 811 for removal of the existing coatings. Temporary shoring is required for structure members that have insufficient load carrying capacity during the patching process. Orientation of repair area may affect material and constructio n requirements. Maintain m aterials in original sealed containers until the time of use and store in accordance with the manufacturer’s recommendations . Material s shall be accompanied by a certificate of manufacture. Materials stored beyond the manufacturer’s recommended shelf life shall not be used and will be rejected .

830.04.2 Span Movement : Span movement may involve transportation of

a span to or from a staging area, jacking and sliding a span from one location to another, lifting a span from one l ocation to another, etc. as specified. Provide all equipment, temporary works, staging areas for span construction, jacking, lifting, movement of a superstructure span or unit using mechanized methods , placement of the span or unit, and the restoration of the staging areas to their original condition. All work shall be in accordance with the contract.

830.04.3 Structure Jacking : Structure jacking is the raising and lowering

of structures as specified. Jack the structure in accordance with the Contract and as directed by the engineer. Do not d amage the structure. Temporary bracing and shoring may be required to prevent damage to the structure and to temporarily support structure loads . If used, bracing and shoring shall be designed , sealed, signed and dated by a Professional Engineer, registered in the State of Louisiana . Damage is defined as any change in the structure which permanently decreases the capacity and/or reduces the life span of the structure or any of its components. Whether or not jacking has caused damage will be determined by the engineer and repairs shall be made to the satisfaction of the engineer at no additional cost or time to the Department .

830.04.4 Epoxy Injection : Repair cracks in concrete using an epoxy

injection system in accordance with the contract, the manufacturer’s recommendations, and as directed by the engineer.

830.04.5 Bolt-Rivet Replacement (Structural Steel) : Remove existing

fasteners identified in the Contract and replace with new high strength fastener assemblies conforming to Section 807 . Do not damage any structural steel to remain during fastener removal. Unless specified otherwise, remove fasteners by mechanical means only. Removal by torching is not allowed. Unless specified otherwise, all removed fasteners and any coating material will become the property of the contractor and disposed of in accordance with Section 202 . Comply with Section 811 for removal of the existing coatings. Temporary shoring is required for structure members that have insufficient load carrying capacity during the patching process. Orientation of repair area may affect material and constructio n requirements. Maintain m aterials in original sealed containers until the time of use and store in accordance with the manufacturer’s recommendations . Material s shall be accompanied by a certificate of manufacture. Materials stored beyond the manufacturer’s recommended shelf life shall not be used and will be rejected .

830.04.2 Span Movement : Span movement may involve transportation of

a span to or from a staging area, jacking and sliding a span from one location to another, lifting a span from one l ocation to another, etc. as specified. Provide all equipment, temporary works, staging areas for span construction, jacking, lifting, movement of a superstructure span or unit using mechanized methods , placement of the span or unit, and the restoration of the staging areas to their original condition. All work shall be in accordance with the contract.

830.04.3 Structure Jacking : Structure jacking is the raising and lowering

of structures as specified. Jack the structure in accordance with the Contract and as directed by the engineer. Do not d amage the structure. Temporary bracing and shoring may be required to prevent damage to the structure and to temporarily support structure loads . If used, bracing and shoring shall be designed , sealed, signed and dated by a Professional Engineer, registered in the State of Louisiana . Damage is defined as any change in the structure which permanently decreases the capacity and/or reduces the life span of the structure or any of its components. Whether or not jacking has caused damage will be determined by the engineer and repairs shall be made to the satisfaction of the engineer at no additional cost or time to the Department .

830.04.4 Epoxy Injection : Repair cracks in concrete using an epoxy

injection system in accordance with the contract, the manufacturer’s recommendations, and as directed by the engineer.

830.04.5 Bolt-Rivet Replacement (Structural Steel) : Remove existing

fasteners identified in the Contract and replace with new high strength fastener assemblies conforming to Section 807 . Do not damage any structural steel to remain during fastener removal. Unless specified otherwise, remove fasteners by mechanical means only. Removal by torching is not allowed. Unless specified otherwise, all removed fasteners and any coating material will become the property of the contractor and disposed of in accordance with Section 202 . Comply with Section 811 for removal of the existing coatings. Temporary shoring is required for structure members that have insufficient load carrying capacity during the patching process. Orientation of repair area may affect material and constructio n requirements. Maintain m aterials in original sealed containers until the time of use and store in accordance with the manufacturer’s recommendations . Material s shall be accompanied by a certificate of manufacture. Materials stored beyond the manufacturer’s recommended shelf life shall not be used and will be rejected .

830.04.2 Span Movement : Span movement may involve transportation of

a span to or from a staging area, jacking and sliding a span from one location to another, lifting a span from one l ocation to another, etc. as specified. Provide all equipment, temporary works, staging areas for span construction, jacking, lifting, movement of a superstructure span or unit using mechanized methods , placement of the span or unit, and the restoration of the staging areas to their original condition. All work shall be in accordance with the contract.

830.04.3 Structure Jacking : Structure jacking is the raising and lowering

of structures as specified. Jack the structure in accordance with the Contract and as directed by the engineer. Do not d amage the structure. Temporary bracing and shoring may be required to prevent damage to the structure and to temporarily support structure loads . If used, bracing and shoring shall be designed , sealed, signed and dated by a Professional Engineer, registered in the State of Louisiana . Damage is defined as any change in the structure which permanently decreases the capacity and/or reduces the life span of the structure or any of its components. Whether or not jacking has caused damage will be determined by the engineer and repairs shall be made to the satisfaction of the engineer at no additional cost or time to the Department .

830.04.4 Epoxy Injection : Repair cracks in concrete using an epoxy

injection system in accordance with the contract, the manufacturer’s recommendations, and as directed by the engineer.

830.04.5 Bolt-Rivet Replacement (Structural Steel) : Remove existing

fasteners identified in the Contract and replace with new high strength fastener assemblies conforming to Section 807 . Do not damage any structural steel to remain during fastener removal. Unless specified otherwise, remove fasteners by mechanical means only. Removal by torching is not allowed. Unless specified otherwise, all removed fasteners and any coating material will become the property of the contractor and disposed of in accordance with Section 202 . Comply with Section 811 for removal of the existing coatings. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices. Any damaged structural steel result ing from fastener removal shall be repaired or replaced to the satisfaction of the engineer at no cost or time to the Department. Unless specified otherwise, all fastener holes shall be reamed up to a circu lar hole having a diameter 1/16 -inch larger than the nominal size of the replacement fastener. Clean and grind fastener assembly contact areas flat and smooth prior to painting and fastener assembly installation. The area of fastener replacement and new fastener assembly shall be protected with a coatin g system . If the plans do not provide paint or coating system requirements or pay items, the area of fastener replacement and new fastener assembly shall be coated in accordance with Section 811 with a paint system compatible with the existing coating to remain . Apply a minimum of one prime coat of the specified paint system to fastener assembly contact areas. Testing , installation and inspection of bolts, nuts, washers and DTI devices shall be in accordance with the contract and Section 807 .

830.05 Measurement.

830.05.1 Bridge Superstructure / Substructure Repair: Bridge

Superstructure/Substructure Repair will be measured for payment per each contiguous repair as defined in the Contract.

830.05.2 Tunnel Repair: Tunnel Repair will be measured for payment per

each contiguous repair, per square foot of repair area , or per lump sum as defined in the contract.

830.05.3 Girder Strengthening: Girder strengthening will be measured

per each girder strengthened.

830.05.4 Span Movement: Span movement will be measured per each

move specified in the plans.

830.05.5 Structure Jacking: Structure jacking will be measured on a lump

sum basis.

830.05.6 Epoxy Injection: Epoxy injection will be measured per linear foot

repaired.

830.05.7 Bolt – Rivet Replacement: This item, completed and accepted,

will be measured for payment per each fastener replacemen t, and will include all materials, coatings, testing, labor, equipment, fastener removal plan, tools, and the performance of all work necessary to remove and dispose of the existing coatings and fasteners, and furnish, install, inspect and test high streng th bolts, nuts, washers and DTI devices.

830.05.8 Structural Concrete Patching: Structural Concrete Patching

will be measured by the square foot of patched material placed . When a repair involves multiple surfaces, such as a corner, measurement will be made on all surfaces repaired. Measurement will include concrete removal, repair and replacement of reinforcing steel, placement of specified additional reinforcing steel, surface preparation, placement of repair materials, and all work required to complete the item in accordance with the contract. When the contract requires concrete removal by hydro -blasting or milling, the concrete removal will be measured and paid for under a separate removal item.

830.06 Payment.

Payment will be made at the contract unit price and will include all labor, equipment, materials, and incidentals required to complete the work. Payment will be made under: Item No. Pay Item Pay Unit 830-01 Bridge Superstructure Repair Each 830-02 Bridge Substructure Repair Each 830-03 Tunnel Repair Each 830-04 Tunnel Repair Square Foot 830-05 Tunnel Repair Lump Sum 830-06 Girder Strengthening (Type) Each 830-07 Structural Concrete Patching Square Foot 830-08 Span Movement Each 830-09 Structure Jacking Lump Sum 830-10 Epoxy Injection Linear Foot 830-11 Bolt-Rivet Replacement (Structural Steel) Each

830.05.8 Structural Concrete Patching: Structural Concrete Patching

will be measured by the square foot of patched material placed . When a repair involves multiple surfaces, such as a corner, measurement will be made on all surfaces repaired. Measurement will include concrete removal, repair and replacement of reinforcing steel, placement of specified additional reinforcing steel, surface preparation, placement of repair materials, and all work required to complete the item in accordance with the contract. When the contract requires concrete removal by hydro -blasting or milling, the concrete removal will be measured and paid for under a separate removal item.

830.06 Payment.

Payment will be made at the contract unit price and will include all labor, equipment, materials, and incidentals required to complete the work. Payment will be made under: Item No. Pay Item Pay Unit 830-01 Bridge Superstructure Repair Each 830-02 Bridge Substructure Repair Each 830-03 Tunnel Repair Each 830-04 Tunnel Repair Square Foot 830-05 Tunnel Repair Lump Sum 830-06 Girder Strengthening (Type) Each 830-07 Structural Concrete Patching Square Foot 830-08 Span Movement Each 830-09 Structure Jacking Lump Sum 830-10 Epoxy Injection Linear Foot 830-11 Bolt-Rivet Replacement (Structural Steel) Each

830.05.8 Structural Concrete Patching: Structural Concrete Patching

will be measured by the square foot of patched material placed . When a repair involves multiple surfaces, such as a corner, measurement will be made on all surfaces repaired. Measurement will include concrete removal, repair and replacement of reinforcing steel, placement of specified additional reinforcing steel, surface preparation, placement of repair materials, and all work required to complete the item in accordance with the contract. When the contract requires concrete removal by hydro -blasting or milling, the concrete removal will be measured and paid for under a separate removal item.

830.06 Payment.

Payment will be made at the contract unit price and will include all labor, equipment, materials, and incidentals required to complete the work. Payment will be made under: Item No. Pay Item Pay Unit 830-01 Bridge Superstructure Repair Each 830-02 Bridge Substructure Repair Each 830-03 Tunnel Repair Each 830-04 Tunnel Repair Square Foot 830-05 Tunnel Repair Lump Sum 830-06 Girder Strengthening (Type) Each 830-07 Structural Concrete Patching Square Foot 830-08 Span Movement Each 830-09 Structure Jacking Lump Sum 830-10 Epoxy Injection Linear Foot 830-11 Bolt-Rivet Replacement (Structural Steel) Each PART IX – Portland Cement Concrete Section No. Page No. Section 901 Portland Cement Concrete ................................ ................................ ............. 934