Last Update (05/03/2002)

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DIVISION II - SUBBASE AND BASE COURSES

Table Of Contents

ITEM NO. TITLE AND REQUIREMENTS

204 - SPRINKLING

SPECIFICATION REQUIREMENTS
1) The rate of application can be shown on the plans or as directed by the Engineer.
2) Specify on plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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210 - ROLLING (FLAT WHEEL)

SPECIFICATION REQUIREMENTS
1) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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211 - ROLLING (TAMPING)

SPECIFICATION REQUIREMENTS
1) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
(212)

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212 - ROLLING (HEAVY TAMPING)

SPECIFICATION REQUIREMENTS
1) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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213 - ROLLING (PNEUMATIC TIRE)

SPECIFICATION REQUIREMENTS
1) Specify type of pneumatic tire roller to be used on the plans.
2) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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214 - ROLLING (HEAVY PNEUMATIC TIRE)

SPECIFICATION REQUIREMENTS
1) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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215 - ROLLING (GRID)

SPECIFICATION REQUIREMENTS
1) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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216 - ROLLING (PROOF)

SPECIFICATION REQUIREMENTS
None

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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217 - ROLLING (VIBRATORY)

SPECIFICATION REQUIREMENTS
1) Specify type of roller to be used on the plans.
2) For Type C roller, the static mass, vibratory drum width and drum surface configuration must
    be shown on the plans.
3) Specify on the plans if it is a pay Item.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
None

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247 - FLEXIBLE BASE

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the typical section(s).
3) Must specify type and grade of flexible base on the plans.
4) Type D material requirements must be shown on the plans.
5) Grade 6 requirements must be shown on the plans.
6) Show the measurement Class on the plans.
7) Measurement Class 4 and 5 are plans quantity measurement Items.
8) Must specify the depth for measurement Class 5.

OPTIONAL REQUIREMENTS
1) When measurement Class 2 is required, it will be paid for in accordance with Item 520.
2) When proof rolling is required, it will be paid for in accordance with Item 216.
3) When lightweight aggregates are used, the wet ball mill requirements will not apply and the lightweight
    aggregate shall meet the Los Angeles Abrasion, Pressure Slaking and Freeze Thaw requirements of Item
    303, "Aggregate for Surface Treatment (Lightweight)".

REFERENCE ITEMS
(204)

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251 - REWORKING BASE MATERIAL

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width and depth must be shown on the typical section(s).
3) Specify type of work for reworking base material on the plans.
4) The type and grade of the new flexible base must be shown on the plans.  Furnishing and delivery of new
    base will be paid for as "Flexible Base (Roadway Delivery)" in accordance with subarticle 247.5.
5) Show type of compaction on the plans.
6) Measurement Class 2 and 5 are plans quantity measurement Items.

OPTIONAL REQUIREMENTS
1) When measurement Class 6 is required, it will be paid for in accordance with Item 520.
2) When proof rolling is required, it will be paid for in accordance with Item 216.
3) When new base is required, it shall be in accordance with Item 247.

REFERENCE ITEMS
(204)

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260 - LIME TREATMENT FOR MATERIALS USED AS SUBGRADE (ROAD MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the typical section(s).
3) Specify the type or types of lime to be used on the plans.
4) The percentage by mass or kilograms per square meter of lime to be added must be shown on the plans.
5) Type of compaction must be specified on the plans.
6) The completed section will be moist cured or prevented from drying by the addition of an
    asphalt material.  This material will be of the type shown on the plans.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(132, 204, 264, 300, 520)

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262 - LIME TREATMENT FOR BASE COURSES (ROAD MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the plans.
3) Specify the type or types of lime to be used on the plans.
4) The percentage by mass or kilograms per square meter of lime to be added must
    be shown on the plans.
5) Type of compaction must be specified on the plans.
6) The type and grade of the new flexible base must be shown on the plans.  Furnishing and delivery
    of new base will be paid for as "Flexible Base (Roadway Delivery)" in accordance with
    subarticle 247.5.
7) The completed section will be moist cured or prevented from drying by the addition of an
    asphalt material.  This material will be of the type shown on the plans.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(204, 247, 260, 264, 300, 520)

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263 - LIME TREATED BASE (PLANT MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the typical section(s).
3) The percentage by mass of lime to be added must be shown on the plans.
4) The type and grade of the new flexible base must be shown on the plans.
5) The completed section will be moist cured or prevented from drying by the addition of an
    asphalt material.  This material will be of the type shown on the plans.
6) This is a plans quantity measurement Item when the lime treated base is measured by the square
    meter of completed work or by the cubic meter in its completed and accepted final position.

OPTIONAL REQUIREMENTS
None

REFERENCE ITEMS
(204, 247, 264, 300, 340, 520)

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264 - LIME AND LIME SLURRY

SPECIFICATION REQUIREMENTS
None

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Lime will be measured and paid for in accordance with the governing specifications for the
items of construction in which lime is used.

REFERENCE ITEMS
None

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265 - LIME-FLY ASH (LFA) TREATMENT FOR MATERIALS USED AS SUBGRADE

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the typical section(s).
3) Specify the type or types of lime to be used on the plans.
4) The percentages by mass or kilograms per square meter of lime and fly ash to be added must be
    shown on the plans.
5) Type of compaction must be specified on the plans.
6) The completed section will be moist cured or prevented from drying by the addition of an asphalt
     material.  This material will be of the type shown on the plans.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(132, 204, 264, 300, 520)

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266 - LIME-FLY ASH (LFA) TREATMENT FOR BASE COURSES (ROAD MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width, depth and number of courses must be shown on the typical section(s).
3) Specify the type or types of lime to be used on the plans.
4) The percentages by mass or kilograms per square meter of lime and fly ash to be added must be
    shown on the plans.
5) Type of compaction must be specified on the plans.
6) The type and grade of the new flexible base must be shown on the plans.  Furnishing and delivery of
    new base will be paid for as "Flexible Base (Roadway Delivery)" in accordance with subarticle 247.5.
7) The completed section will be moist cured or prevented from drying by the addition of an asphalt
    material.  This material will be of the type shown on the plans.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(204, 247, 264, 265, 300)

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275 - PORTLAND CEMENT TREATED MATERIALS (ROAD MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width and depth of courses must be shown on the typical section(s).
3) The strength must be shown on the plans.
4) When Strength N is specified, must show the minimum design compressive strength on the plans.
5) When Strength O is specified, must show the allowable cement content percentage on the plans.
6) Type of compaction must be specified on the plans.
7) The type and grade of the new flexible base must be shown on the plans.  Furnishing and delivery of
    new base will be paid for as "Flexible Base (Roadway Delivery)" in accordance with subarticle 247.5.
8) The completed section will be moist cured or prevented from drying by the addition of an asphalt
    material.  This material will be of the type shown on the plans.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(247, 300, 421, 520, 524)

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276 - PORTLAND CEMENT TREATED BASE (PLANT MIXED)

SPECIFICATION REQUIREMENTS
1) Limits must be shown on the plans.
2) Width and depth of courses must be shown on the typical section(s).
3) The strength must be shown on the plans.
4) When Strength N is specified, must show the minimum design compressive strength on the plans.
5) When Strength O is specified, must show the allowable cement content percentage on the plans.
6) The type and grade of the new flexible base must be shown on the plans.  Furnishing and delivery of
    new base will be paid for as "Flexible Base (Roadway Delivery)" in accordance with subarticle 247.5.
7) The completed section will be moist cured or prevented from drying by the addition of an asphalt
    material.  This material will be of the type shown on the plans.
8) Measurement Class 4 and 5 are plans quantity measurement Items.

OPTIONAL REQUIREMENTS
1) When proof rolling is required, it will be paid for in accordance with Item 216.

REFERENCE ITEMS
(247, 300, 340, 421, 520, 524)

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