BS 5061:1974

Co-operating organizations
Foreword
Specification
1 General
1.1 Scope
1.2 Definitions
1.3 Symbols
2 Silo dimensions
3 Foundations, anchorage and siting
3.1 Foundations
3.2 Anchorage
3.3 Siting
4 Loading
4.1 Silo for H.D.M. silage
4.2 General purpose forage silo
5 Design and materials
5.1 Silo wall
5.2 Steel hooping for concrete stave silos
5.3 Silo of concrete stave construction
5.4 Timber
6 Construction
6.1 Dimensional accuracy
6.2 Fluid pressure relief
6.3 Fire
6.4 Access equipment
7 Notice boards
8 Manufacturer's handbook
Appendices
A Recommended list of BS Specifications and Codes of
     Practice for reference
B Manufacturer's handbook
C Standard capacity of silo
D Guidance on the use of forage tower silos
E Composition of silage effluent
F Buckling coefficients for the silo wall
Tables
1 Recommended filling moisture contents for average
     maturity grass (C.P. 12 % M.A.D. fibre 28 %)
2 Recommended filling moisture contents for young
     leafy grass (C.P. 18 % M.A.D. fibre 24 %)
3 Recommended filling moisture contents for mature
     grass and mature arable silage (C.P. 8 % M.A.D.
     fibre 32 %)
4 Relationship between silo diameter and filling rate
5 Minimum unloading rate
Figure
1 Staggering of lugs

Basic data for design of silos of all sizes over 3 m effective height. Foundations, anchorage, loading, design, materials and construction. Guidance on use and filling rate. Recommended filling moisture contents and minimum loading rate.