806DESCRIPTION

806.01 DESCRIPTION. Furnish and place reinforcing steel for

reinforced concrete structures.

806.02 MATERIALS. Comply with Section 1009 . Use accessories

compatible with the reinforcement.

806.03 FABRICATION. Fabricate reinforcement to the shapes shown

on the plans.

806.03.1 Bending: Cold bend reinforcement unless otherwise

permitted. Do not rebend bars. Special fabrication will be required for bending No. 14 and 18 bars more than 90 degrees. Bend bars around a pin having a diameter as specified in Table 806 -1, unless otherwise specified: Deformed Reinforcing Steel

806.01 DESCRIPTION. Furnish and place reinforcing steel for

reinforced concrete structures.

806.02 MATERIALS. Comply with Section 1009 . Use accessories

compatible with the reinforcement.

806.03 FABRICATION. Fabricate reinforcement to the shapes shown

on the plans.

806.03.1 Bending: Cold bend reinforcement unless otherwise

permitted. Do not rebend bars. Special fabrication will be required for bending No. 14 and 18 bars more than 90 degrees. Bend bars around a pin having a diameter as specified in Table 806 -1, unless otherwise specified: Deformed Reinforcing Steel

806.01 DESCRIPTION. Furnish and place reinforcing steel for

reinforced concrete structures.

806.02 MATERIALS. Comply with Section 1009 . Use accessories

compatible with the reinforcement.

806.03 FABRICATION. Fabricate reinforcement to the shapes shown

on the plans.

806.03.1 Bending: Cold bend reinforcement unless otherwise

permitted. Do not rebend bars. Special fabrication will be required for bending No. 14 and 18 bars more than 90 degrees. Bend bars around a pin having a diameter as specified in Table 806 -1, unless otherwise specified: Deformed Reinforcing Steel

806.01 DESCRIPTION. Furnish and place reinforcing steel for

reinforced concrete structures.

806.02 MATERIALS. Comply with Section 1009 . Use accessories

compatible with the reinforcement.

806.03 FABRICATION. Fabricate reinforcement to the shapes shown

on the plans.

806.03.1 Bending: Cold bend reinforcement unless otherwise

permitted. Do not rebend bars. Special fabrication will be required for bending No. 14 and 18 bars more than 90 degrees. Bend bars around a pin having a diameter as specified in Table 806 -1, unless otherwise specified: Table 806 -1 Pins for Bar Bends Bar Size and Use Minimum Pin Diameter Nos. 3 through 5 – General Nos. 3 through 5 – Stirrups and Ties Nos. 6 through 8 – General Nos. 9, 10 and 11 Nos. 14 and 18 6.0 d b 4.0 d b 6.0 d b 8.0 d b 10.0 d b db=bar diameter

806.03.2 Tolerances: Fabricate bars in accordance with the tolerances

specified in Table 806 -2. All dimensions given in Table 806 -2 are out-to-out of bars. Table 806 -1 Pins for Bar Bends Bar Size and Use Minimum Pin Diameter Nos. 3 through 5 – General Nos. 3 through 5 – Stirrups and Ties Nos. 6 through 8 – General Nos. 9, 10 and 11 Nos. 14 and 18 6.0 d b 4.0 d b 6.0 d b 8.0 d b 10.0 d b db=bar diameter

806.03.2 Tolerances: Fabricate bars in accordance with the tolerances

specified in Table 806 -2. All dimensions given in Table 806 -2 are out-to-out of bars. Table 806 -2 Fabrication Tolerances Symbol Tolerance (inches) 4  1/2  1 + 0, -1/2  1/2 *Not to differ for opposite parallel dimension by more than 1/2 inch. **Angular Deviation -Maximum  2 1/2° or  1/2 inch/ft., but no less than 1/2 inch.

806.03.3 Shipping: Ship in standard bundles, tagged, and marked in

accordance with the Manual of Standard Practice of the Concrete Reinforcement Steel Institute (CRSI). Make tags of durable material and legibly mark wit h waterproof markings. Attach at least one tag per bundle by wire. Show size of reinforcing, number of pieces, mark and length of bars on tags.

806.03.4 Handling and Coating Repairs:

Table 806 -2 Fabrication Tolerances Symbol Tolerance (inches) 4  1/2  1 + 0, -1/2  1/2 *Not to differ for opposite parallel dimension by more than 1/2 inch. **Angular Deviation -Maximum  2 1/2° or  1/2 inch/ft., but no less than 1/2 inch.

806.03.3 Shipping: Ship in standard bundles, tagged, and marked in

accordance with the Manual of Standard Practice of the Concrete Reinforcement Steel Institute (CRSI). Make tags of durable material and legibly mark wit h waterproof markings. Attach at least one tag per bundle by wire. Show size of reinforcing, number of pieces, mark and length of bars on tags.

806.03.4 Handling and Coating Repairs:

Table 806 -2 Fabrication Tolerances Symbol Tolerance (inches) 4  1/2  1 + 0, -1/2  1/2 *Not to differ for opposite parallel dimension by more than 1/2 inch. **Angular Deviation -Maximum  2 1/2° or  1/2 inch/ft., but no less than 1/2 inch.

806.03.3 Shipping: Ship in standard bundles, tagged, and marked in

accordance with the Manual of Standard Practice of the Concrete Reinforcement Steel Institute (CRSI). Make tags of durable material and legibly mark wit h waterproof markings. Attach at least one tag per bundle by wire. Show size of reinforcing, number of pieces, mark and length of bars on tags.

806.03.4 Handling and Coating Repairs:

Handle reinforcing steel without damaging the reinforcing steel or coatings. Repair coatings to bars damaged or cut during field operations before rusting occurs in accordance with the manufacturer's recommendations.

806.04 MATERIAL STORAGE. Store reinforcing steel above ground on

platforms, skids, or other supports to protect from damag e and keep clean. At time of concrete placement, reinforcing steel shall be clean and damage free.

806.05 PLACING AND FASTENIN G. Provide reinforcing steel in the position

shown on the plans. Support reinforcing steel during placing and setting of forms and concrete. Additional bracing may be required to handle reinforcing cages to prevent damage. Additional bracing may be required t o support and stabilize reinforcing cages to prevent damage or collapse. When placed in the work, reinforcement shall be free from dirt, loose rust, loose scale, paint, oil, grease, form release agent, or other foreign material. Thin powdery rust and lig ht rust need not be removed. Do not field bend reinforcing steel unless specified on the plans or permitted by the engineer. Do not cut bars by burning. Tie reinforcing steel with wire adequate to support the construction loads including erection of rein forcing steel cages and placement of concrete. In no case use less than a No. 16 gauge wire. Tie reinforcing steel at all intersections. When bar spacing is less than 1 foot in each direction tie alternate intersections, except for drilled shafts which req uire all intersections of vertical and horizontal bars to be tied. Maintain distance of reinforcement from forms by use of metal chairs, ties, hangers, or other approved supports. Do not use pebbles, pieces of broken stone or brick, metal pipe, and wooden blocks as bar supports. Precast concrete blocks may be used when approved by the engineer in applications where concrete is to be placed against soil. When allowed, use concrete blocks meeting the requirements of the concrete placement. Repair damaged c oatings on bar supports (chairs) and accessories in accordance with manufacturer’s recommendations before rusting occurs.

806.06 SPLICING. Furnish reinforcement bars un -spliced to the full lengths

indicated on the plans. Do not splice bars, except as indicated in the plans, without approval of the Engineer of Record. Maintain the minimum required clear distance to other bars and the specified concrete cover. Minimum required clear distance is three times the maximum aggregate size.

806.06.1 Lap Splices: Unless otherwise specified, provide lap splices in

accordance with the requirements of Table 806 -3. Do not place a construction joint within the li mits of the lap splice. In lapped splices, place bars in contact and tie Handle reinforcing steel without damaging the reinforcing steel or coatings. Repair coatings to bars damaged or cut during field operations before rusting occurs in accordance with the manufacturer's recommendations.

806.04 MATERIAL STORAGE. Store reinforcing steel above ground on

platforms, skids, or other supports to protect from damag e and keep clean. At time of concrete placement, reinforcing steel shall be clean and damage free.

806.05 PLACING AND FASTENIN G. Provide reinforcing steel in the position

shown on the plans. Support reinforcing steel during placing and setting of forms and concrete. Additional bracing may be required to handle reinforcing cages to prevent damage. Additional bracing may be required t o support and stabilize reinforcing cages to prevent damage or collapse. When placed in the work, reinforcement shall be free from dirt, loose rust, loose scale, paint, oil, grease, form release agent, or other foreign material. Thin powdery rust and lig ht rust need not be removed. Do not field bend reinforcing steel unless specified on the plans or permitted by the engineer. Do not cut bars by burning. Tie reinforcing steel with wire adequate to support the construction loads including erection of rein forcing steel cages and placement of concrete. In no case use less than a No. 16 gauge wire. Tie reinforcing steel at all intersections. When bar spacing is less than 1 foot in each direction tie alternate intersections, except for drilled shafts which req uire all intersections of vertical and horizontal bars to be tied. Maintain distance of reinforcement from forms by use of metal chairs, ties, hangers, or other approved supports. Do not use pebbles, pieces of broken stone or brick, metal pipe, and wooden blocks as bar supports. Precast concrete blocks may be used when approved by the engineer in applications where concrete is to be placed against soil. When allowed, use concrete blocks meeting the requirements of the concrete placement. Repair damaged c oatings on bar supports (chairs) and accessories in accordance with manufacturer’s recommendations before rusting occurs.

806.06 SPLICING. Furnish reinforcement bars un -spliced to the full lengths

indicated on the plans. Do not splice bars, except as indicated in the plans, without approval of the Engineer of Record. Maintain the minimum required clear distance to other bars and the specified concrete cover. Minimum required clear distance is three times the maximum aggregate size.

806.06.1 Lap Splices: Unless otherwise specified, provide lap splices in

accordance with the requirements of Table 806 -3. Do not place a construction joint within the li mits of the lap splice. In lapped splices, place bars in contact and tie Handle reinforcing steel without damaging the reinforcing steel or coatings. Repair coatings to bars damaged or cut during field operations before rusting occurs in accordance with the manufacturer's recommendations.

806.04 MATERIAL STORAGE. Store reinforcing steel above ground on

platforms, skids, or other supports to protect from damag e and keep clean. At time of concrete placement, reinforcing steel shall be clean and damage free.

806.05 PLACING AND FASTENIN G. Provide reinforcing steel in the position

shown on the plans. Support reinforcing steel during placing and setting of forms and concrete. Additional bracing may be required to handle reinforcing cages to prevent damage. Additional bracing may be required t o support and stabilize reinforcing cages to prevent damage or collapse. When placed in the work, reinforcement shall be free from dirt, loose rust, loose scale, paint, oil, grease, form release agent, or other foreign material. Thin powdery rust and lig ht rust need not be removed. Do not field bend reinforcing steel unless specified on the plans or permitted by the engineer. Do not cut bars by burning. Tie reinforcing steel with wire adequate to support the construction loads including erection of rein forcing steel cages and placement of concrete. In no case use less than a No. 16 gauge wire. Tie reinforcing steel at all intersections. When bar spacing is less than 1 foot in each direction tie alternate intersections, except for drilled shafts which req uire all intersections of vertical and horizontal bars to be tied. Maintain distance of reinforcement from forms by use of metal chairs, ties, hangers, or other approved supports. Do not use pebbles, pieces of broken stone or brick, metal pipe, and wooden blocks as bar supports. Precast concrete blocks may be used when approved by the engineer in applications where concrete is to be placed against soil. When allowed, use concrete blocks meeting the requirements of the concrete placement. Repair damaged c oatings on bar supports (chairs) and accessories in accordance with manufacturer’s recommendations before rusting occurs.

806.06 SPLICING. Furnish reinforcement bars un -spliced to the full lengths

indicated on the plans. Do not splice bars, except as indicated in the plans, without approval of the Engineer of Record. Maintain the minimum required clear distance to other bars and the specified concrete cover. Minimum required clear distance is three times the maximum aggregate size.

806.06.1 Lap Splices: Unless otherwise specified, provide lap splices in

accordance with the requirements of Table 806 -3. Do not place a construction joint within the li mits of the lap splice. In lapped splices, place bars in contact and tie Handle reinforcing steel without damaging the reinforcing steel or coatings. Repair coatings to bars damaged or cut during field operations before rusting occurs in accordance with the manufacturer's recommendations.

806.04 MATERIAL STORAGE. Store reinforcing steel above ground on

platforms, skids, or other supports to protect from damag e and keep clean. At time of concrete placement, reinforcing steel shall be clean and damage free.

806.05 PLACING AND FASTENIN G. Provide reinforcing steel in the position

shown on the plans. Support reinforcing steel during placing and setting of forms and concrete. Additional bracing may be required to handle reinforcing cages to prevent damage. Additional bracing may be required t o support and stabilize reinforcing cages to prevent damage or collapse. When placed in the work, reinforcement shall be free from dirt, loose rust, loose scale, paint, oil, grease, form release agent, or other foreign material. Thin powdery rust and lig ht rust need not be removed. Do not field bend reinforcing steel unless specified on the plans or permitted by the engineer. Do not cut bars by burning. Tie reinforcing steel with wire adequate to support the construction loads including erection of rein forcing steel cages and placement of concrete. In no case use less than a No. 16 gauge wire. Tie reinforcing steel at all intersections. When bar spacing is less than 1 foot in each direction tie alternate intersections, except for drilled shafts which req uire all intersections of vertical and horizontal bars to be tied. Maintain distance of reinforcement from forms by use of metal chairs, ties, hangers, or other approved supports. Do not use pebbles, pieces of broken stone or brick, metal pipe, and wooden blocks as bar supports. Precast concrete blocks may be used when approved by the engineer in applications where concrete is to be placed against soil. When allowed, use concrete blocks meeting the requirements of the concrete placement. Repair damaged c oatings on bar supports (chairs) and accessories in accordance with manufacturer’s recommendations before rusting occurs.

806.06 SPLICING. Furnish reinforcement bars un -spliced to the full lengths

indicated on the plans. Do not splice bars, except as indicated in the plans, without approval of the Engineer of Record. Maintain the minimum required clear distance to other bars and the specified concrete cover. Minimum required clear distance is three times the maximum aggregate size.

806.06.1 Lap Splices: Unless otherwise specified, provide lap splices in

accordance with the requirements of Table 806 -3. Do not place a construction joint within the li mits of the lap splice. In lapped splices, place bars in contact and tie Handle reinforcing steel without damaging the reinforcing steel or coatings. Repair coatings to bars damaged or cut during field operations before rusting occurs in accordance with the manufacturer's recommendations.

806.04 MATERIAL STORAGE. Store reinforcing steel above ground on

platforms, skids, or other supports to protect from damag e and keep clean. At time of concrete placement, reinforcing steel shall be clean and damage free.

806.05 PLACING AND FASTENIN G. Provide reinforcing steel in the position

shown on the plans. Support reinforcing steel during placing and setting of forms and concrete. Additional bracing may be required to handle reinforcing cages to prevent damage. Additional bracing may be required t o support and stabilize reinforcing cages to prevent damage or collapse. When placed in the work, reinforcement shall be free from dirt, loose rust, loose scale, paint, oil, grease, form release agent, or other foreign material. Thin powdery rust and lig ht rust need not be removed. Do not field bend reinforcing steel unless specified on the plans or permitted by the engineer. Do not cut bars by burning. Tie reinforcing steel with wire adequate to support the construction loads including erection of rein forcing steel cages and placement of concrete. In no case use less than a No. 16 gauge wire. Tie reinforcing steel at all intersections. When bar spacing is less than 1 foot in each direction tie alternate intersections, except for drilled shafts which req uire all intersections of vertical and horizontal bars to be tied. Maintain distance of reinforcement from forms by use of metal chairs, ties, hangers, or other approved supports. Do not use pebbles, pieces of broken stone or brick, metal pipe, and wooden blocks as bar supports. Precast concrete blocks may be used when approved by the engineer in applications where concrete is to be placed against soil. When allowed, use concrete blocks meeting the requirements of the concrete placement. Repair damaged c oatings on bar supports (chairs) and accessories in accordance with manufacturer’s recommendations before rusting occurs.

806.06 SPLICING. Furnish reinforcement bars un -spliced to the full lengths

indicated on the plans. Do not splice bars, except as indicated in the plans, without approval of the Engineer of Record. Maintain the minimum required clear distance to other bars and the specified concrete cover. Minimum required clear distance is three times the maximum aggregate size.

806.06.1 Lap Splices: Unless otherwise specified, provide lap splices in

accordance with the requirements of Table 806 -3. Do not place a construction joint within the li mits of the lap splice. In lapped splices, place bars in contact and tie together. Stagger splices by at least one lap splice length when locations are not shown in the plans.

806.06.2 Mechanical Splices: When shown in the plans, make reinforcing

steel splices w ith a mechanical splice listed in the AML and used in accordance with the manufacturer's recommendations. The mechanical splice shall develop in tension or compression, as required, at least 125 percent of the specified yield strength of the bars being sp liced. Stagger mechanical splices to maintain proper minimum clear distances between bars and mechanical devices.

806.06.3 Welded Splices: Use welded splices only if detailed on the plans

or if authorized by the Engineer of Record. Welding shall comply with Section 809. Stagger splices as far as possible. Do not use welded splices on coated reinforcing steel. together. Stagger splices by at least one lap splice length when locations are not shown in the plans.

806.06.2 Mechanical Splices: When shown in the plans, make reinforcing

steel splices w ith a mechanical splice listed in the AML and used in accordance with the manufacturer's recommendations. The mechanical splice shall develop in tension or compression, as required, at least 125 percent of the specified yield strength of the bars being sp liced. Stagger mechanical splices to maintain proper minimum clear distances between bars and mechanical devices.

806.06.3 Welded Splices: Use welded splices only if detailed on the plans

or if authorized by the Engineer of Record. Welding shall comply with Section 809. Stagger splices as far as possible. Do not use welded splices on coated reinforcing steel. together. Stagger splices by at least one lap splice length when locations are not shown in the plans.

806.06.2 Mechanical Splices: When shown in the plans, make reinforcing

steel splices w ith a mechanical splice listed in the AML and used in accordance with the manufacturer's recommendations. The mechanical splice shall develop in tension or compression, as required, at least 125 percent of the specified yield strength of the bars being sp liced. Stagger mechanical splices to maintain proper minimum clear distances between bars and mechanical devices.

806.06.3 Welded Splices: Use welded splices only if detailed on the plans

or if authorized by the Engineer of Record. Welding shall comply with Section 809. Stagger splices as far as possible. Do not use welded splices on coated reinforcing steel. Table 806 -3 Lap Splice Length for Grade 60 Steel Bar No. Lap Splice Length (inches) 11 46

806.07 MEASUREMENT. Quantities of deformed reinforcing steel will be the

design quantities as specified on the plans. Design quantities are based on theoretical weights in accordance with ASTM A615 as shown in Table 806 -4: Table 806 -4 Reinforcing Bar Weights Bar No. Weight Lb/Lin Ft 0.376 0.668 1.043 1.502 2.044 2.670 3.400 4.303 5.313 7.650 13.600 Measurement and payment of structural shapes used as reinforcement will be made in accordance with Section 807 Structural Metals on a lump sum basis. Measurement and payment of mechanical splices will be based per each. Table 806 -3 Lap Splice Length for Grade 60 Steel Bar No. Lap Splice Length (inches) 11 46

806.07 MEASUREMENT. Quantities of deformed reinforcing steel will be the

design quantities as specified on the plans. Design quantities are based on theoretical weights in accordance with ASTM A615 as shown in Table 806 -4: Table 806 -4 Reinforcing Bar Weights Bar No. Weight Lb/Lin Ft 0.376 0.668 1.043 1.502 2.044 2.670 3.400 4.303 5.313 7.650 13.600 Measurement and payment of structural shapes used as reinforcement will be made in accordance with Section 807 Structural Metals on a lump sum basis. Measurement and payment of mechanical splices will be based per each. The following will not be measured for payment:

806.08 PAYMENT. Payment for reinforcing steel will include all labor,

materials, testing, and equipment required to complete the accepted item. Payment will be made at the contract unit price under: Item No. Pay Item Pay Unit 806-01 Deformed Reinforcing Steel Pound 806-02 Deformed Reinforcing Steel (Corrosion Resistant) Pound 806-03 Deformed Reinforcing Steel Mechanical Splice Each Section 807 Structural Metals

807.01 DESCRIPTION. Fabricate, transport, and install structural metals.

807.02 MATERIALS. Conform to Section 1013 except as amended herein.

ASTM A325 and A490 have been replaced by ASTM F3125. References to A325 and A490 are to be taken to mean ASTM F3125, Grade A325 and A490 respectively. Provide AASHTO M270, Grade 50 steel, unless specified otherwise. Provide high -strength ASTM A325 Type 1 mechanically galvanized fastener assemblies. Do not galvanize ASTM A490 bolts. Use high -strength Type 3 fastener assemblies with weathering steel. Provide stainles s steel anchor bolts, nuts and washers. Comply with 1013.08.4 . When galvanized anchor bolts, nuts and washers are specified, hot dip galvanize in accordance with 811.08.1 and ASTM F2329.

807.03 SUBMITTALS . Comply with Section 801 . Furnish working drawings

in accordance with 801.05 .

807.04 Fabrication Requirem Ents.

807.04.1 Handling and Storing Materials: Store materials, plain or

fabricated, at the shop and project site above ground on platforms, skids, or other supports. Keep materials free from dirt, grease, and other foreign matter and protect from corrosion. Place and store girders and beams in the upright position. Support long members, such as columns and chords, on skids placed near enough together to prevent dama ge from deflection.

807.04.2 Shop Requirements: Use a fabrication shop possessing current

AISC Structural Steel, AISC Component, and other certifications as required for the bridge elements being fabricated and type of work specified in the Contract. Provide the Chief Construction Engineer with documentation of all current fabricator certifications prior to beginning fabrication. Perform fabrication work requiring Departmental inspection at a location within the continental United States. Alternate certificatio ns that exceed the requirements herein may be submitted to the Chief Construction Engineer for acceptance.