| PART 1 | GENERAL |
| 1.1 | SECTION INCLUDES |
| A. | Common fill materials. |
| 1.2 | REFERENCES |
| A. | AASHTO M 145: Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes. |
| B. | ASTM C 136: Standard Method for Sieve Analysis of Fine and Coarse Aggregates. |
| C. | ASTM D 1883: Standard Test Method for CBR (California Bearing Ratio) of Laboratory-Compacted Soils. |
| D. | ASTM D 2487: Standard Test Method for Classification of Soils for Engineering Purposes. |
| E. | ASTM D 2844: Test Method for Resistance R-Value and Expansion Pressure of Compacted Soils. |
| F. | ASTM D 3282: Standard Practice for Classification of Soils and Soil- Aggregate Mixtures for Highway Construction Purposes. |
| G. | ASTM D 3740: Standard Recommended Practice for Evaluation of Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction. |
| 1.3 | SUBMITTALS |
| A. | Prior to delivering material to site, identify. |
| 1. | Name of Supplier and source, and |
| 2. | Type and gradation of common fill material. |
| B. | If a change in source of material is required, submit name of Supplier, source and gradation analysis of material to COR for approval prior to delivery to site. Allow a minimum of 2 days for approval. |
| 1.4 | QUALITY ASSURANCE |
| A. | Use a laboratory that follows and complies with Section 01 45 00 and ASTM D 3740. |
| B. | Reject common fill products that do not meet requirements of this section. |
| C. | Remove any product found defective after installation and install acceptable product at no additional cost to Government. |
| 1.5 | ACCEPTANCE |
| A. | General: |
| 1. | Acceptance is by Lot. One Lot is one day’s production. |
| 2. | Dispute resolution; Section 01 35 10. |
| B. | Roadway Backfill: Sub-lot size is 5,000 tons. |
| PART 2 | PRODUCTS |
| 2.1 | BORROW |
| A. | Classifications A-1-a through A-4, ASTM D 3282. |
| 2.2 | GRANULAR BORROW (PIT RUN) |
| A. | Classifications A-1-a, A-1-b, A-2-4, or A-3, ASTM D 3282. |
| B. | Material meets design CBR-value (ASTM D 1883) or R value (ASTM D 2844) for suitability of source, not for project control testing. |
| 2.3 | GRANULAR BACKFILL BORROW |
| A. | Classification A-1, ASTM D 3282. |
| B. | Well graded. |
| C. | Particle size; 2 inch maximum. |
| D. | Material meets design CBR-value (ASTM D 1883) or R value (ASTM D2844) for suitability of source, not for project control testing. |
| 2.4 | RECYCLED FILL |
| A. | Material: Pulverized portland cement concrete either mixed with or not mixed with a new aggregate as approved by COR. |
| B. | Gradation: Meet the requirements of this Section based upon use; e.g. borrow, granular borrow, granular backfill borrow, etc. |
| 2.5 | NATIVE |
| A. | When allowed by COR, material obtained from Excavations may be used as fill, provided organic material, rubbish, debris, and other objectionable materials are removed and Contractor has submitted the appropriate Proctor data (see Section 31 23 26). |
| B. | When native fill is approved for use, Government will only pay for labor and equipment costs. |
| 2.6 | SAND |
| A. | Friable river or bank aggregate, free of loam and organic matter. Graded per Table 1. |
