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BSI - BS 1438

Aggregates - Single-sized aggregates for use as a medium in biological percolating filters

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Organization: BSI
Publication Date: 5 March 2004
Status: active
Page Count: 12
ICS Code (Sewage water): 13.060.30
ICS Code (Terracotta building products): 91.100.25

Document History

BS 1438
March 5, 2004
Aggregates - Single-sized aggregates for use as a medium in biological percolating filters
A description is not available for this item.
BS 1438
September 7, 1971
Specification for media for biological percolating filters
Single-sized materials, 63 mm to 14 mm, including coke, clinker, gravel, crushed stone, slag for treatment of water, sewage, trade effluents. Durability; sizes; descriptions of shape, nature of...

References

This document references:
BS EN 932-3 - Tests for general properties of aggregates Part 3: Procedure and terminology for simplified petrographic description
Published by BSI on January 15, 1997
Specifies basic procedure for petrographic examination of aggregates for general classification. Procedure is not suitable for detailed petrographic examination.
This document references:
BS 812-105.1 - Testing aggregates - Part 105: Methods for determination of particle shape - Section 105.1 Flakiness index
Published by BSI on January 31, 1990
For coarse aggregates.
This document references:
BS EN 13242 - Aggregates for unbound and hydraulically bound materials for use in civil engineering work and road construction
Published by BSI on December 12, 2002
A description is not available for this item.
This document references:
BS EN 932-1 - Tests for General Properties of Aggregates Part 1: Methods for Sampling
Published by BSI on May 15, 1997
Specifies methods for obtaining samples of aggregates from deliveries, preparation and processing plants. Also specifies methods for sample reduction.
This document references:
BS EN 932-2 - Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples
Published by BSI on May 15, 1999
A description is not available for this item.
This document references:
BS EN 932-5 - Tests for general properties of aggregates Part 5: Common equipment and calibration
Published by BSI on April 30, 2012
A description is not available for this item.
This document references:
BS EN 933-1 - Tests for geometrical properties of aggregates Part 1: Determination of particle size distribution — Sieving method
Published by BSI on February 29, 2012
A description is not available for this item.
This document references:
BS EN 933-2 - Tests for Geometrical Properties of Aggregates Part 2: Determination of Particle Size Distribution - Test Sieves, Nominal Size of Apertures
Published by BSI on July 31, 2020
A description is not available for this item.
This document references:
BS EN 933-3 - Tests for geometrical properties of aggregates Part 3: Determination of particle shape — Flakiness index
Published by BSI on February 29, 2012
A description is not available for this item.
This document is referenced by:
BS EN 12255-7 - Wastewater Treatment Plants - Part 7: Biological Fixed-Film Reactors
Published by BSI on April 5, 2002
A description is not available for this item.
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