A.AASHTO M247 Type 3 and 4 beads shall have a minimum of 80 percent true spheres when tested by ASTM D1155, Method A.
1015.13.4 Angular Particles: The beads shall have no more than 3
percent angular particles per screen.
1015.13.5 Refractive Index: The beads shall have a minimum
refractive index of 1.50 when tested by the liquid immersion method. Beads conforming to Table 1015 -12 shall have a minimum refractive index of 1.90.
1015.13.6 Glass Bead Coating: All beads except Type 1 shall be
coated with an ad hesion assuring coating when tested in accordance with AASHTO M 247. The smaller AASHTO M 247 Type 1 beads shall also be coated to provide free flowing characteristics when tested in accordance with AASHTO M 247.
1015.13.7 Packaging and Marking: The beads shal l be packaged
in moisture proofed containers. Each container shall be stamped with the following information: Name and address of manufacturer, shipping point, trademark or name, the wording “Embedment Coated Glass Beads,” type, weight, lot number and th e month and year of manufacture.
1015.13.8 Heavy Metal Limits: Glass beads shall not contain more
than 75 parts per million of inorganic arsenic when tested using EPA Method 6010B in conjunction with EPA Method 3052 for sample preparation.
A.AASHTO M247 Type 3 and 4 beads shall have a minimum of 80 percent true spheres when tested by ASTM D1155, Method A.
1015.13.4 Angular Particles: The beads shall have no more than 3
percent angular particles per screen.
1015.13.5 Refractive Index: The beads shall have a minimum
refractive index of 1.50 when tested by the liquid immersion method. Beads conforming to Table 1015 -12 shall have a minimum refractive index of 1.90.
1015.13.6 Glass Bead Coating: All beads except Type 1 shall be
coated with an ad hesion assuring coating when tested in accordance with AASHTO M 247. The smaller AASHTO M 247 Type 1 beads shall also be coated to provide free flowing characteristics when tested in accordance with AASHTO M 247.
1015.13.7 Packaging and Marking: The beads shal l be packaged
in moisture proofed containers. Each container shall be stamped with the following information: Name and address of manufacturer, shipping point, trademark or name, the wording “Embedment Coated Glass Beads,” type, weight, lot number and th e month and year of manufacture.
1015.13.8 Heavy Metal Limits: Glass beads shall not contain more
than 75 parts per million of inorganic arsenic when tested using EPA Method 6010B in conjunction with EPA Method 3052 for sample preparation.
A.AASHTO M247 Type 3 and 4 beads shall have a minimum of 80 percent true spheres when tested by ASTM D1155, Method A.
1015.13.4 Angular Particles: The beads shall have no more than 3
percent angular particles per screen.
1015.13.5 Refractive Index: The beads shall have a minimum
refractive index of 1.50 when tested by the liquid immersion method. Beads conforming to Table 1015 -12 shall have a minimum refractive index of 1.90.
1015.13.6 Glass Bead Coating: All beads except Type 1 shall be
coated with an ad hesion assuring coating when tested in accordance with AASHTO M 247. The smaller AASHTO M 247 Type 1 beads shall also be coated to provide free flowing characteristics when tested in accordance with AASHTO M 247.
1015.13.7 Packaging and Marking: The beads shal l be packaged
in moisture proofed containers. Each container shall be stamped with the following information: Name and address of manufacturer, shipping point, trademark or name, the wording “Embedment Coated Glass Beads,” type, weight, lot number and th e month and year of manufacture.
1015.13.8 Heavy Metal Limits: Glass beads shall not contain more
than 75 parts per million of inorganic arsenic when tested using EPA Method 6010B in conjunction with EPA Method 3052 for sample preparation. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. Section 1016 Concrete Pipe and Pr ecast Reinforced Concrete Drainage Units
1016.01 Concrete Pipe and Pr Ecast Drainage Units .
Concrete drainage units include box culverts, three -sided structures, manholes, junction boxes, catch basins, and safety ends. Use concrete pipe and precast drainage unit s that are on the Approved Materials List and are from Certified Plants. All shop drawings must be approved by the Project Engineer before fabrication can begin. Cementitious materials shall comply with Section 1001 . Substitutions for cement are allowed in accordance with 901.07 . Admixtures shall comply with 1011.02 , except that chloride -type accelerators are not allowed. Class A1 concrete shall comply with Section 901 . The addition of synthetic fibers will only be allowed upon approval of the Construction Fabrication Engineer.
1016.01.1 Joint Systems and Gaskets: Joint systems shall
comply with 1018.03 . A Type 2 or 3 joint system may be substituted for a Type 1 joint system; a Type 3 joint system may be substituted for a Type 2 joint system. Use gaskets from the Approved Materials List. Rubber gaskets for pipe joints shall comply with ASTM C443. Each rubber gasket shall be identified with a batch or lot number. Flexible sealants for pipe joints shall comply with ASTM C990.
1016.01.2 Curing: Concrete pipe and box culverts shall be cured by
one of the methods listed in ASTM C76 or ASTM C1577, as applicable. No other combination or methods will be allowed. Precast manholes, catch basins, junction boxes, and safety ends shall be cured in accordance with 805.06 or 805.09.4 . For curing concrete three -sided structures that are wet -cast products, keep forms in place for one curing day in accordance with 805.07 . When structures are manufactur ed using the dry -cast method, follow curing procedures in ASTM C1504.
1016.01.3 Lots: A lot is one day’s production.
1016.01.4 Compressive Strength: Compressive strength shall
comply with the applicable ASTM specification for the product. For each lot, five compressive strength cylinders shall be made and field - cured in accordance with DOTD TR 227 and broken in accordance with DOTD TR 230. The ASTM C497 core test may be used in lieu of cylinder tests, with approval of the Construction Fabri cation Engineer. For pipe, the ASTM C497 three -edge bearing test (3EB) may be used in lieu of cylinders. The Department reserves the right to have any concrete pipe tested at no cost to the Department to ultimate load using 3EB. The 3EB test is required y early to retain plant certification. Compressive strength must be verified by cylinders, cores or 3EB before shipping.
1016.01.5 Precast Unit Markings: Identifying information shall
be indented into the concrete or painted thereon with waterproof paint on each un it on the inside and outside of the unit in such a manner as to be legible at time of delivery. Information shall include the name or trademark of the manufacturer, the date of casting, and the structure number or the station number as shown on the plans.
1016.01.6 Pipe Connections to Precast Units: For concrete
pipe connections, use resilient connectors conforming to ASTM C923 or use grout connection. For grout connections each opening shall be 4±1/2 inches larger than the outside diameter of the pipe for which it is provided. For connecting plasti c and metal pipe to precast units use resilient connectors conforming to ASTM C923.
1016.02 REINFORCED CONCRETE PIPE (RCP). Comply with
ASTM C76, amended as follows:
1.Unless otherwise specified, use Class III, Wall A, B, or C pipe.
2.When extra strength pipe is r equired, use either Class IV or Class V as specified. Use Wall A, B, or C.
3.For pipe sizes not included in ASTM C76, the area of reinforcement shall be designed in accordance with ASTM C655. Provide fabrication drawings and design calculations reflecting compliance with these specifications prior to pipe fabrication.
4.If allowed, modified designs require review and approval from the DOTD Hydraulics and Construction Fabrication Units. Minor modifications to facilitate fabrication processes may be used with t he Construction Fabrication Engineer’s approval. For each lot, five compressive strength cylinders shall be made and field - cured in accordance with DOTD TR 227 and broken in accordance with DOTD TR 230. The ASTM C497 core test may be used in lieu of cylinder tests, with approval of the Construction Fabri cation Engineer. For pipe, the ASTM C497 three -edge bearing test (3EB) may be used in lieu of cylinders. The Department reserves the right to have any concrete pipe tested at no cost to the Department to ultimate load using 3EB. The 3EB test is required y early to retain plant certification. Compressive strength must be verified by cylinders, cores or 3EB before shipping.
1016.01.5 Precast Unit Markings: Identifying information shall
be indented into the concrete or painted thereon with waterproof paint on each un it on the inside and outside of the unit in such a manner as to be legible at time of delivery. Information shall include the name or trademark of the manufacturer, the date of casting, and the structure number or the station number as shown on the plans.
1016.01.6 Pipe Connections to Precast Units: For concrete
pipe connections, use resilient connectors conforming to ASTM C923 or use grout connection. For grout connections each opening shall be 4±1/2 inches larger than the outside diameter of the pipe for which it is provided. For connecting plasti c and metal pipe to precast units use resilient connectors conforming to ASTM C923.
1016.02 REINFORCED CONCRETE PIPE (RCP). Comply with
ASTM C76, amended as follows:
1.Unless otherwise specified, use Class III, Wall A, B, or C pipe.
2.When extra strength pipe is r equired, use either Class IV or Class V as specified. Use Wall A, B, or C.
3.For pipe sizes not included in ASTM C76, the area of reinforcement shall be designed in accordance with ASTM C655. Provide fabrication drawings and design calculations reflecting compliance with these specifications prior to pipe fabrication.
4.If allowed, modified designs require review and approval from the DOTD Hydraulics and Construction Fabrication Units. Minor modifications to facilitate fabrication processes may be used with t he Construction Fabrication Engineer’s approval. For each lot, five compressive strength cylinders shall be made and field - cured in accordance with DOTD TR 227 and broken in accordance with DOTD TR 230. The ASTM C497 core test may be used in lieu of cylinder tests, with approval of the Construction Fabri cation Engineer. For pipe, the ASTM C497 three -edge bearing test (3EB) may be used in lieu of cylinders. The Department reserves the right to have any concrete pipe tested at no cost to the Department to ultimate load using 3EB. The 3EB test is required y early to retain plant certification. Compressive strength must be verified by cylinders, cores or 3EB before shipping.
1016.01.5 Precast Unit Markings: Identifying information shall
be indented into the concrete or painted thereon with waterproof paint on each un it on the inside and outside of the unit in such a manner as to be legible at time of delivery. Information shall include the name or trademark of the manufacturer, the date of casting, and the structure number or the station number as shown on the plans.
1016.01.6 Pipe Connections to Precast Units: For concrete
pipe connections, use resilient connectors conforming to ASTM C923 or use grout connection. For grout connections each opening shall be 4±1/2 inches larger than the outside diameter of the pipe for which it is provided. For connecting plasti c and metal pipe to precast units use resilient connectors conforming to ASTM C923.
1016.02 REINFORCED CONCRETE PIPE (RCP). Comply with
ASTM C76, amended as follows:
1.Unless otherwise specified, use Class III, Wall A, B, or C pipe.
2.When extra strength pipe is r equired, use either Class IV or Class V as specified. Use Wall A, B, or C.
3.For pipe sizes not included in ASTM C76, the area of reinforcement shall be designed in accordance with ASTM C655. Provide fabrication drawings and design calculations reflecting compliance with these specifications prior to pipe fabrication.
4.If allowed, modified designs require review and approval from the DOTD Hydraulics and Construction Fabrication Units. Minor modifications to facilitate fabrication processes may be used with t he Construction Fabrication Engineer’s approval. Scarifying and Compacting Roadbed
306.01 DESCRIPTION. Scarify, shape, and compact existing roadbed
to form a subbase or base course in accordance with these specifications, and in conformity with the lines, grades, depth, and cross -section shown on the plans or established. Quality assurance requirements shall be as specified in the latest edition of the Department’ s publication titled Application for Quality Assurance Specifications for Embankment and Base Course.
306.02 CONSTRUCTION REQUIREMENTS. Scarify existing
materials for the full width of roadbed and a minimum depth of 6 inches, shape to the required section, and uniformly compact to at least 95 percent of maximum dry density for subbase, and 98 percent for base, as determined in accordance with DOTD TR 401 and TR 415 or TR 418. Assure that the scarified, shaped, and compacted roadbed has a smooth, uniform, closely -knit surface, free from ridges, waves, depressions, o r loose material. Do not scarify the roadbed in excess of one mile in advance of compacting the roadbed. Prime the compacted roadbed in accordance with Section 505 .
306.03 MAINTENANCE OF COMPACTED ROADBED. Protect the
compacted roadbed from damage due to either public traffic or construction operations, and maintain the roadbed in satisfactory condition at all times, including the asphalt prime coat. Repair all damag e immediately at no direct pay.
306.04 MEASUREMENT. The quantities of scarifying and compacting
roadbed for payment will be the design lengths or areas as specified in the plans and adjustments thereto. Design quantities are based on the horizontal dimensions of the roadbed shown on the plans. Design quantities will be adjusted when the engineer makes changes to adjust to Scarifying and Compacting Roadbed
306.01 DESCRIPTION. Scarify, shape, and compact existing roadbed
to form a subbase or base course in accordance with these specifications, and in conformity with the lines, grades, depth, and cross -section shown on the plans or established. Quality assurance requirements shall be as specified in the latest edition of the Department’ s publication titled Application for Quality Assurance Specifications for Embankment and Base Course.
306.02 CONSTRUCTION REQUIREMENTS. Scarify existing
materials for the full width of roadbed and a minimum depth of 6 inches, shape to the required section, and uniformly compact to at least 95 percent of maximum dry density for subbase, and 98 percent for base, as determined in accordance with DOTD TR 401 and TR 415 or TR 418. Assure that the scarified, shaped, and compacted roadbed has a smooth, uniform, closely -knit surface, free from ridges, waves, depressions, o r loose material. Do not scarify the roadbed in excess of one mile in advance of compacting the roadbed. Prime the compacted roadbed in accordance with Section 505 .
306.03 MAINTENANCE OF COMPACTED ROADBED. Protect the
compacted roadbed from damage due to either public traffic or construction operations, and maintain the roadbed in satisfactory condition at all times, including the asphalt prime coat. Repair all damag e immediately at no direct pay.
306.04 MEASUREMENT. The quantities of scarifying and compacting
roadbed for payment will be the design lengths or areas as specified in the plans and adjustments thereto. Design quantities are based on the horizontal dimensions of the roadbed shown on the plans. Design quantities will be adjusted when the engineer makes changes to adjust to Scarifying and Compacting Roadbed
306.01 DESCRIPTION. Scarify, shape, and compact existing roadbed
to form a subbase or base course in accordance with these specifications, and in conformity with the lines, grades, depth, and cross -section shown on the plans or established. Quality assurance requirements shall be as specified in the latest edition of the Department’ s publication titled Application for Quality Assurance Specifications for Embankment and Base Course.
306.02 CONSTRUCTION REQUIREMENTS. Scarify existing
materials for the full width of roadbed and a minimum depth of 6 inches, shape to the required section, and uniformly compact to at least 95 percent of maximum dry density for subbase, and 98 percent for base, as determined in accordance with DOTD TR 401 and TR 415 or TR 418. Assure that the scarified, shaped, and compacted roadbed has a smooth, uniform, closely -knit surface, free from ridges, waves, depressions, o r loose material. Do not scarify the roadbed in excess of one mile in advance of compacting the roadbed. Prime the compacted roadbed in accordance with Section 505 .
306.03 MAINTENANCE OF COMPACTED ROADBED. Protect the
compacted roadbed from damage due to either public traffic or construction operations, and maintain the roadbed in satisfactory condition at all times, including the asphalt prime coat. Repair all damag e immediately at no direct pay.
306.04 MEASUREMENT. The quantities of scarifying and compacting
roadbed for payment will be the design lengths or areas as specified in the plans and adjustments thereto. Design quantities are based on the horizontal dimensions of the roadbed shown on the plans. Design quantities will be adjusted when the engineer makes changes to adjust to Scarifying and Compacting Roadbed
306.01 DESCRIPTION. Scarify, shape, and compact existing roadbed
to form a subbase or base course in accordance with these specifications, and in conformity with the lines, grades, depth, and cross -section shown on the plans or established. Quality assurance requirements shall be as specified in the latest edition of the Department’ s publication titled Application for Quality Assurance Specifications for Embankment and Base Course.
306.02 CONSTRUCTION REQUIREMENTS. Scarify existing
materials for the full width of roadbed and a minimum depth of 6 inches, shape to the required section, and uniformly compact to at least 95 percent of maximum dry density for subbase, and 98 percent for base, as determined in accordance with DOTD TR 401 and TR 415 or TR 418. Assure that the scarified, shaped, and compacted roadbed has a smooth, uniform, closely -knit surface, free from ridges, waves, depressions, o r loose material. Do not scarify the roadbed in excess of one mile in advance of compacting the roadbed. Prime the compacted roadbed in accordance with Section 505 .
306.03 MAINTENANCE OF COMPACTED ROADBED. Protect the
compacted roadbed from damage due to either public traffic or construction operations, and maintain the roadbed in satisfactory condition at all times, including the asphalt prime coat. Repair all damag e immediately at no direct pay.
306.04 MEASUREMENT. The quantities of scarifying and compacting
roadbed for payment will be the design lengths or areas as specified in the plans and adjustments thereto. Design quantities are based on the horizontal dimensions of the roadbed shown on the plans. Design quantities will be adjusted when the engineer makes changes to adjust to field conditions, if plan errors are proven, or when design changes are necessary.
306.05 PAYMENT. Payment for scarifying and compacting roadbe d
will be at the contract unit price, which includes asphalt prime coat. Payment adjustments will be applied for specification deviations of asphalt prime coat materi als in accordance with Section 505 and Section 1002 . The Materials and Testing Section will provide the payment adjustment percentag e for properties of asphalt materials. Payment will be made under: Item No. Pay Item Pay Unit 306-01 Scarifying and Compacting Roadbed ___ in Thick Mile 306-02 Scarifying and Compacting Roadbed ___ in Thick Square Yard field conditions, if plan errors are proven, or when design changes are necessary.
306.05 PAYMENT. Payment for scarifying and compacting roadbe d
will be at the contract unit price, which includes asphalt prime coat. Payment adjustments will be applied for specification deviations of asphalt prime coat materi als in accordance with Section 505 and Section 1002 . The Materials and Testing Section will provide the payment adjustment percentag e for properties of asphalt materials. Payment will be made under: Item No. Pay Item Pay Unit 306-01 Scarifying and Compacting Roadbed ___ in Thick Mile 306-02 Scarifying and Compacting Roadbed ___ in Thick Square Yard Section 307 Permeable Bases
307.01 DESCRIPTION. Construct a permeable asphalt base or
permeable concrete base on a prepared subgrade in accordance with these specifications and in conformity with the lines, grades, thicknesses, and typical sections shown on the plans or as directed. When including a permeable base in the contract, furnish either a permeable asphalt base or a permeable concrete base unless otherwise specified. Use the same type of base throughout the project unless otherwise specified on the plans or approved in writing. The permeable asphalt base shall consist of a mixture of aggregate, polymer modified asphalt cement, and approved anti-strip additive. The permeable concrete base shall consist of a mixture of aggregate, portland cement, admixtures, and water.
307.02 MATERIALS. Materials shall comply with the following
requirements.
307.02.1 Aggregates: The aggregates for both the permeable
asphalt base and the permeable concrete base shall be 100 percent crushed stone conforming to the requirements of 1003.03.4 .
307.02.2 Asphalt: The asphalt for asphalt treated permeable base
shall be an approved polymer modified asphalt cement, or, complying with Section 1002 . The percentage of asphalt cem ent shall be 2.0 percent to 4.0 percent by weight of the total mixture. Asphalt cement content and mixing process shall be such that all aggregates are visibly coated. The mixture shall retain 90 percent coating when tested in accordance with DOTD TR 317. Submit a job mix formula for approval in accordance with Section 502 .
307.02.3 Anti-Strip Additive: Use an Approved Materials List anti -
strip additive complying with 1002.02.1 for the permeable asphalt base. Add the anti-strip additive at the minimum rate of 0.5 percent by weight of asphalt and thoroughly mix with the asphalt cement at the plant. Additional anti-strip additive may be up to 1.2 percent by weight.
Source: Louisiana Standard Specifications for Roads and Bridges, 2016 Edition. Pages 1098–1099 of 1,145.