SECTION 305 SUBGRADE LAYER
MATERIAL |
REFERENCE |
PURPOSE |
SAMPLED BY |
MINIMUM FREQUENCY |
MIN. QUANTITY |
CERT. |
REMARKS |
|
TESTED BY |
METHOD |
CONTAINER |
DISTR. |
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| NOTE: WHEN A SUBGRADE LAYER IS PRODUCED BY CENTRAL PLANT MIXING, USE THE SAMPLING SCHEDULES IN SECTION 301 OF THIS MANUAL. |
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| AGGREGATES | Shell, Sand-Shell, Stone, Recycled PC Concrete, Crushed Slag | 305.02 305.04(b) Dist. Lab |
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See Section 302 of this manual. |
| ASPHALTIC CONCRETE | Type 5B | FOR DETAILS ON ADDITIVES, AGGREGATES, ASPHALT CEMENT, ASPHALTIC CONCRETE, ASPHALT MIX RELEASE AGENT AND MINERAL FILLER, SEE SECTION 501 OF THIS MANUAL. | ||||||
| CEMENT | ------ |
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------ |
------ |
------ |
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See Section 302 of this manual. | |
| CURING MEMBRANE | ------ |
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------ |
------ |
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See Section
302 of this manual. Use prime coat for raw base. |
|
| LIME (Hydrated or Quicklime) |
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------ |
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See Section
304 of this manual. Type C treatment. |
|
| MIXTURE ON ROADWAY | Pulverization* | 305.04 Proj. Engr. |
Accept. | Proj. Engr. S 401 |
1/300 m/ 2-lane rdwy or 1/600 m/ shoulder |
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*For soil after mixing with cement or lime. |
| SOIL | 305.04 Dist. Lab |
Design* | Proj. Engr. S 401 |
1/300 m/ 2-lane rdwy or 1/600 m/shoulder |
6 full sample sacks | ---- |
*Required for soils when % additive is not specified. | |
| 305.04 Dist. Lab |
Accept. | Proj. Engr. S 401 |
1 full sample sack | ---- |
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| SUBGRADE LAYER | Aggregate | 305.04 | MIXED, PLACED, COMPACTED AND FINISHED IN ACCORDANCE WITH Section 302 OF THIS MANUAL. | |||||
| Asphaltic Concrete Base | 305.04 | SHALL CONFORM TO SECTION 501 OF THIS MANUAL. | ||||||
| Cement Treatment | 305.04(a)(3)b | SHALL CONFORM TO SECTION 303 OF THIS MANUAL. | ||||||
| Lime Treatment | 305.04(a)(3)a | SHALL CONFORM TO SECTION 304 OF THIS MANUAL FOR TYPE C LIME TREATMENT. | ||||||
| Thickness & Width | 305.04 | Verif. | Proj. Engr. TR 602 |
SEE SECTION 302, SECTION 303, OR SECTION 304 OF THIS MANUAL AS APPLICABLE, EXCEPT THAT THE DISTRICT LAB WILL NOT TAKE DOTD TR 602 MEASUREMENTS. | ||||
| WATER | 305.02 1018.01 Mat. Lab |
Accept. | Proj. Engr. S 303 |
1/source | 1 L Plastic bottle |
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Drinkable water need not be sampled. | |
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