BS 8102:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Code of practice for protection of structures against water from the ground
Hardcopy , PDF
30-11-2009
English
31-05-1990
Committees responsible
Foreword
Code of practice
Section one. General
1 Scope
2 Definitions
Section two. Design and structure
3 Design requirements and design criteria
3.1 General
3.1.1 Pre-design considerations
3.1.2 New construction
3.1.3 Existing buildings
3.2 Preventative measures
3.2.1 General
3.2.2 Exclusion of surface water
3.2.3 Sub-surface drainage
3.2.4 Water-resisting forms of construction
3.3 Degree of watertightness
3.4 Structural considerations
4 Materials
4.1 Waterproofing materials
4.1.1 General
4.1.2 Mastic asphalt
4.1.3 Preformed bitumen sheetings
4.1.4 Other sheeting materials
4.1.5 Bitumen compound
4.1.6 Bitumen primer
4.1.7 Cement based waterproof renders
4.1.8 Polymer/cement based waterproof coating
4.1.9 Resins of polyurethane etc.
4.1.10 Waterstops
4.2 New materials
5 Structures requiring protection against water
and water vapour penetration (type A structures:
tanking protection)
5.1 Structural aspects
5.1.1 General
5.1.2 Reinforced concrete
5.1.3 Prestressed concrete
5.1.4 Plain concrete and masonry
5.1.5 Pumping
5.1.6 Basement carried on piles where tanking is used
5.2 Barrier materials
5.2.1 Mastic asphalt
5.2.2 Preformed waterproof sheet membrane
5.2.3 Waterproof render
5.2.4 Polyurethane resin tanking
6 Structures in watertight construction (type B
structures: integral protection)
6.1 General
6.2 Design considerations
6.3 Site conditions
7 Structures with internal drainage (type C
structures: drained protection)
7.1 General
7.2 Floor cavities
7.3 Wall cavities
7.4 Cavity ventilation
8 Inspection and waterproofing of existing
basements
8.1 General
8.2 Inspection and survey
8.3 Tanking systems and methods
8.4 Control of condensation
8.5 Decorative finishes
8.6 Provision for fixings
8.7 Land drainage
8.8 Pressure grouting
8.9 Repair by waterproof renderings
Section three. Tanking systems
9 Mastic asphalt tanking
9.1 General
9.2 Externally applied tanking
9.3 Internally applied tanking
9.4 Pumping
9.5 Site preparation
9.5.1 Key for tanking vertical and sloping surfaces
9.5.2 External angles
9.6 Thickness and finish
9.7 Applications: special conditions
9.7.1 Boiler houses, sumps and fuel oil storage areas
9.7.2 Ventilated boiler bases
9.7.3 Hot water pipes
9.7.4 Manholes
9.7.5 Discharge of hot liquids
10 Bitumen sheet tanking
10.1 General
10.2 Externally applied tanking
10.3 Internally applied tanking
10.4 Pumping
10.5 Number of layers
11 Internally applied cementitious waterproof
render
11.1 General
11.2 Site preparation
11.2.1 Brickwork or blockwork
11.2.2 Concrete
11.2.3 Natural stone
11.2.4 Floors
11.3 Thickness and finish
11.4 Curing
12 Polyurethane resin tanking
12.1 Site preparation
12.2 Externally applied tanking
12.3 Internally applied tanking
12.4 Protection
13 Self-adhesive rubber bitumen membrane tanking
system
13.1 General
13.1.1 Materials
13.1.2 Surface preparation
13.1.3 Corners
13.1.4 Openings
13.2 Externally applied tanking
13.3 Internally applied tanking
13.4 Pumping
13.5 Finish
Section four. Waterstops
14 General
15 External waterstops
16 Internal waterstops
17 Limitations
Table
1 Guide to level of protection to suit basement
use
Figures
1 Example of stepped construction for sloping
ground
2 Example of cavity masonry wall construction
3 Example of solid masonry wall construction
4 Drained cavity construction
5 Deep basement construction suitable for utility
uses, car parking etc.
6 Structure classification
7 Tanked concrete basement carried on piles
8 Movement joints and service pipe penetration in
internal waterproof cementitious render
9 Asphalt tanking: treatment of pipes
10 Asphalt tanking to column bases
11 Asphalt tanking applied to concrete externally
12 Internally applied asphalt tanking: vertical
loading with masonry
13 Bitumen sheet tanking: treatment of pipes
14 Externally applied bitumen sheet tanking:
junction of vertical and horizontal sheeting
15 Internally applied bitumen sheet tanking:
method of forming internal angle
16 Formation of lap and corner joints in
cementitious waterproof renders
17 Example of self-adhesive damp proof membrane
applied externally
18 Example of self-adhesive damp proof membrane
applied internally
19 Typical details of service penetrations through
self-adhesive membranes
20 Typical applications of waterstops
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