BS 8102:2009 - Code of practice for protection of below ground structures against water from the ground – BSI British Standards

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BS 8102:2009

Code of practice for protection of below ground structures against water from the ground

Status : Current, Under review   Published : November 2009



BS 8102:2009 Code of practice for protection of below ground structures against water from the ground

BS 8102 gives recommendations and provides guidance on methods of dealing with and preventing the entry of water from surrounding ground into a structure below ground level.

It covers the use of:
a) Waterproofing barrier materials applied to the structure
b) Structurally integral watertight construction
c) Drained cavity construction.

It also covers the evaluation of groundwater conditions, risk assessment and options for drainage outside the structure. It applies to structures which extend below ground level and those on sloping sites.

BS 8102 does not give recommendations on the use of embedded heating in structures, floors and walls or for the special requirements in connection with the design and construction of cold stores.

BS 8102:2009 replaces BS 8102:1990, which is now withdrawn. This is a full revision of the standard, and includes the following changes:

a) A number of recent developments are addressed, which are important when specifying, designing and constructing below ground structures, including:

1) More deep construction in congested urban areas
2) An increase in the provision of residential basements
3) Development and use of new materials for waterproofing

b) A more detailed assessment is provided of the risks in below ground construction and how these might best be addressed.

The publication of the Eurocodes and the withdrawal of the corresponding British Standards make this revision very timely.

Contents of BS 8102:
1 Scope
2 Normative references
3 Terms and definitions
4 Design philosophy
5 Site evaluation
6 Water-resisting design
7 General construction issues
8 Type A (barrier) protection
9 Type B (structurally integral) protection
10 Type C (drained) protection
11 Remedial measures
List of figures
Figure 1 – Design flowchart
Figure 2 – Schematic illustrations of Type A, Type B and Type C waterproofing protection
Figure 3 – Sub-surface drainage positioning
Figure 4 – Effect of structure on applied waterproofing barrier
Figure 5 – Pile to floor slab junction
Figure 6 – Effect of bonded or partially bonded barriers
List of tables
Table 1 – Use of different protection types based on water table classification
Table 2 – Grades of waterproofing protection
Table 3 – Categories of barrier materials

Standard NumberBS 8102:2009
TitleCode of practice for protection of below ground structures against water from the ground
StatusCurrent, Under review
Publication Date30 November 2009
Confirm Date01 September 2014
Cross ReferencesBS 743:1970, BS 5930, BS 6100-3, BS 8004, BS 8204-1, BS 8747, BS EN 1504, BS EN 1992, BS EN 1993, BS EN 1993-5, BS EN 1997, BS EN 10210, BS EN 10219, BS EN 10248, BS EN 10249, BS EN 12063, BS EN 12970, BS 5454, BS 8485, BS EN 934, BS EN 752, BS EN 1011, BS EN 1992-3, BS EN ISO 15614-1, Building Regulations 2000, Building (Scotland) Regulations 2004, Building Regulations (Northern Ireland) 2000, BS EN 1991, BS EN 1996, BS EN 13252
ReplacesBS 8102:1990
Draft Superseded By09/30168197 DC
DescriptorsDrainage, Weather protection systems, Risk assessment, Ground-water drainage, Waterproofing materials, Waterproof materials, Tanking, Underground structures, Buildings, Protection against water from the ground, Vapour barriers, Render, Site investigations, Grades (quality), Construction materials, Structural design, Basements
ISBN978 0 580 59399 4
File Size472 KB

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