Standard Specification For Roadworks - 2000 Tanzania Pdf Better [upd]

– Specifications for excavation, embankments, and the treatment of suitable and unsuitable materials. Series 4000: Pavement Layers – Requirements for subgrade, sub-base, and base courses. Series 5000: Bituminous Layers and Seals

| Series | Title | Description | | :--- | :--- | :--- | | | General | Administrative rules, definitions, site setup, and general contract conditions. | | 2000 | Drainage | Specifications for side drains, culverts, and erosion control systems. | | 3000 | Earthworks and Pavement Layers | Requirements for excavation, embankments, subgrade preparation (CBR ≥ 3), and gravel/crushed stone layers. | | 4000 | Bituminous Layers and Seals | Standards for asphalt concrete (base and wearing courses), seals, and surface treatments. | | 5000 | Ancillary Roadworks | Covers sidewalks, kerbs, signs, and guardrails. | | 6000 | Structures | Specifications for bridges, culverts, and other major structures on the road reserve. | | 7000 | Tolerances, Testing, and Quality Control | Defines acceptable construction tolerances, required testing frequencies, and quality assurance protocols. | | | 2000 | Drainage | Specifications for