Tanzania Bureau of Standards (TBS)

Draft Standards for Public Comments

• Geotechnical investigation and testing — Geohydraulic testing — Part 2: Water permeability tests in a borehole using open systems
• Geotechnical investigation and testing — Geohydraulic testing — Part 3: Water pressure tests in rock
• Geotechnical investigation and testing — Geohydraulic testing — Part 4: Pumping tests
• Geotechnical investigation and testing — Geohydraulic testing — Part 5: Infiltrometer tests
• Quality control for batching and mixing steel fibrereinforced concretes
• Testing of concrete —Part 2:Properties of fresh concrete
• Testing of concrete —Part 1: Sampling of fresh concrete
• Testing of concrete —Part 3:Making and curing test specimens
• Monolithic (unshaped) refractory products — Part 2: Sampling for testing.
• Guidelines for laying clay bricks
• Dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity.
• Monolithic (unshaped) refractory products —Part 1: Introduction and classification.
• Refractory products – Determination of resistance to carbon monoxide.
• Code of practice for design and construction of foundations