| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
| 2<\/td>\n | Committees responsible for this British\ufffdStandard <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 3 Definitions 3.1 finishing materials 3.2 coating 3.3 paint 3.4 polymeric plastics compound 4 Exchange of design data 4.1 Information to be supplied by the purchaser <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 4.2 Information to be supplied by the manufacturer or contractor 4.3 Drawings and documentation <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 5 Factors affecting planning and programming 5.1 Because insulation contractors’ operations on site are dependent upon the progress of other c… 5.2 Examples of factors that could affect the insulation contractor’s work are as follows: 6 Typical characteristics of insulating materials and systems 6.1 Thermal conductivity <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 6.2 Physical forms 6.3 Bulk density 6.4 Suitability for service temperature <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Table 1 \u2014 Typical insulating materials for use at temperatures higher than ambient <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Tabel 2 \u2014 Typical insulating materials for use at temperatures below ambient 6.5 Thermal expansions <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.6 Resistance to compaction 6.7 Resistance to water vapour penetration and to water absorption 6.8 Mechanical strength, resilience and durability 6.9 Fire and explosion hazards <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 6.10 Resistance to vermin, fungus and moulds 6.11 Health hazards <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6.12 Removal and replacement 6.13 Heat capacity 6.14 Freedom from objectionable odour 6.15 Corrosion <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 6.16 Chemical resistance 6.17 Maintenance requirements <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 7 Selection of thermal insulating materials 7.1 General 7.2 Types available <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 7.3 Typical properties of thermal insulating materials <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 7.4 Typical dimensions 7.5 Applicability of thermal insulating materials <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | 8 Selection of securing materials 8.1 General 8.2 Adhesives <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Table 3 \u2014 Insulation bonding adhesives for pre-formed sections and slabs <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | 8.3 Mechanical securements <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | 8.4 Combination 8.5 Insulation hangers 9 Selection of vapour barriers 9.1 General <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Table 4 \u2014 Typical values for water vapour permeance <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Table 5 \u2014 Water vapour permeance conversion table <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | 9.2 Vapour barriers for use over insulation applied to surfaces below dew-point 9.3 Vapour barriers for use over insulation applied to surfaces below dew-point for short periods 10 Selection of finishing materials, including ultimate treatment of finish 10.1 General 10.2 Classification of finishing materials <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 10.3 Reasons for use of finishing materials 10.4 Typical uses for finishing materials <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | 10.5 Finishes for refrigeration work 10.6 Finishes to improve fire protective properties 10.7 Finishes for use over pipes in enclosed spaces, ducts, subways and beneath buildings 10.8 Ultimate treatment of finish <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 10.9 Identification of the contents of a system 11 Selection of thermal insulating systems 11.1 Optimum effectiveness <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | 11.2 Extent of system 11.3 General 11.4 Control factors <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | 12 Site considerations \u2014 Basis and method of presenting schedule of work 12.1 Well before work at site begins, the purchaser should provide the contractor with a clear pr… 12.2 The purchaser and contractor should clearly understand their responsibilities regarding supp… 12.3 Where areas of plant to be insulated are to be left bare for a period,\ufffde.g.\ufffdto make provisio… 12.4 Where the satisfactory application of insulating and finishing materials is likely to be dep… 12.5 In order that the contractor can operate on an efficient and economical basis, complete sect… 12.6 The contractor’s tender and purchaser’s subsequent requisition should contain a clear descri… 12.7 If a contractor is called upon to repair or modify previously completed work, the purchaser … 12.8 Before work at site is commenced, the purchaser and contractor should be in complete agreeme… 13 Packaging and transport to site 13.1 Methods of packing 13.2 Protection against crushing 13.3 Packing of plastic compositions and finishing compositions or cements <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | 13.4 Methods of identification of packages 14 Labour and supervision 15 Provision of storage space, protection and safety during storage 15.1 Space should be provided for the contractor to store insulation and ancillary materials. 15.2 All materials should be stored in a dry atmosphere undercover and inspected at periods not e… 15.3 Stock rotation should be employed i.e. first in, first out. 15.4 Cartons or packs containing slab insulation should be stored flat. 15.5 Bags containing mattress insulation should be stacked flat and not more than four high. 15.6 Sheet metal should be delivered as single sheets or in bundles, dependent on the type of han… 15.7 Sheet edges should be examined at least monthly to see\ufffdif any discoloration has taken place…. 15.8 When storage for longer than\ufffd3\ufffdmonths is contemplated, the supplier should be consulted for … 15.9 Adhesives, coatings and mastics should be stored undercover in a dry atmosphere at a tempera… 16 Provision of power, water, light, heat and accommodation for personnel 16.1 Power and water <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | 16.2 Light and heat 16.3 Accommodation and storage 17 Provision of access equipment 18 Responsibility for studs, cleats, etc. 19 Observance of site safety and security regulations 19.1 The purchaser should notify the contractor of any local site safety and security regulations. 19.2 If other work is proceeding on site, a safe working area should be defined and agreed, from … 20 Protection of adjacent equipment and surfaces 21 Clearing waste material from site 22 Health considerations <\/td>\n<\/tr>\n | ||||||
| 49<\/td>\n | 23 Methods of application and practical consideration 23.1 Insulating materials should be kept dry in store and during erection. 23.2 Apart from certain load-bearing materials, most types of insulating materials should be supp… 23.3 In order to maintain the thermal efficiency of the systems, all insulating materials, howeve… 23.4 Where the main insulation consists of pre-formed, or flexible material, all edges or ends sh… 23.5 As a general rule insulation work should be carried out with the plant off\ufffdload. In certain … 23.6 Before any section of the insulation work on piping, vessels or ductwork is commenced, all h… 23.7 The junction between removable and permanent insulation should be so arranged as to be readi… 23.8 One of the chief problems, when insulating complicated plant, is to provide for adequate acc… 23.9 The plant designer should allow a minimum clearance of\ufffd50\ufffdmm beyond the full extent of therm… 23.10 Where pipe banks against walls or ceilings are involved, the designer should envisage the s… 24 Surface preparation and accessories 24.1 Surface preparation 24.2 Attachments <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | 24.3 Insulation supports <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | 24.4 Securement 24.5 Reinforcement <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | 25 Cold insulation\ufffd\u2014 Application for systems operating in the temperature range (100\ufffd\u00baC to ambien… 25.1 General <\/td>\n<\/tr>\n | ||||||
| 54<\/td>\n | 25.2 Adhesives and fastenings 25.3 Typical erection methods <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | 25.4 Pipework and fittings 25.5 Vessels and large curved surfaces <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | 25.6 Storage tanks 25.7 Air\ufffdconditioning ductwork operating below ambient temperature <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | 25.8 Flat and irregular surfaces (including machinery) 26 Hot insulation\ufffd\u2014 Application for systems operating in the temperature range\ufffdabove ambient to\ufffd8… 26.1 General Table 6 \u2014 Expansion gaps <\/td>\n<\/tr>\n | ||||||
| 60<\/td>\n | 26.2 Pipework <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | 26.3 Vessels and large curved surfaces <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | 26.4 Air ducts and gas flues <\/td>\n<\/tr>\n | ||||||
| 72<\/td>\n | 26.5 Flat and irregular surfaces (including machinery) <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | 27 Indoor finishes and their methods of application 27.1 Sheet metal <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | Table 7 \u2014 Thickness of metal cleading <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | Table 8 \u2014 Compatibility between screws\/rivets and cleading material 27.2 Aluminium foils and laminates 27.3 Mastic and coating finishes <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | 27.4 Hard-setting composition, self-setting cement and gypsum plaster 27.5 Non-metallic sheet <\/td>\n<\/tr>\n | ||||||
| 78<\/td>\n | 27.6 Textile fabrics <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | 28 Weather\ufffdresistant finishes 28.1 Sheet metal 28.2 Non-metallic sheet 28.3 Self\ufffdsetting cement <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | 28.4 Weatherproofing compounds <\/td>\n<\/tr>\n | ||||||
| 81<\/td>\n | 28.5 Roofing felt and wire netting 29 Ultimate treatment of finish painting 30 Inspection and testing 31 Maintenance recommendations 31.1 General <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | 31.2 Inspection, maintenance and sealing of insulation containing asbestos 31.3 Stripping old asbestos\ufffdcontaining insulation 32 Guarantees 33 Design considerations 33.1 Reasons for insulation <\/td>\n<\/tr>\n | ||||||
| 83<\/td>\n | 33.2 Application 33.3 Economic thickness <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | 33.4 Conditions at the point of delivery <\/td>\n<\/tr>\n | ||||||
| 85<\/td>\n | 33.5 Protection of personnel <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | 33.6 Thermal efficiency 33.7 Insulation against freezing 33.8 Protection against surface condensation <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | Figure 1 \u2014 Typical thermal conductivity values for insulating materials used at above and below ambient temp… <\/td>\n<\/tr>\n | ||||||
| 88<\/td>\n | Figure 2 \u2014 Typical contraction\/expansion joints for insulated pipework (for use at 5 \u00b0C or colder) <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | Figure 3 \u2014 Linear thermal movement of various materials between temperatures of +20 \u00b0C and \u2013100 \u00b0C <\/td>\n<\/tr>\n | ||||||
| 90<\/td>\n | Figure 4 \u2014 Typical compression\/support joint (for use at 5 \u00b0C or colder) <\/td>\n<\/tr>\n | ||||||
| 91<\/td>\n | Figure 5 \u2014 Typical cleading and\/or insulation support for vertical pipework \u2014 Spacing of joints (hot insulat… <\/td>\n<\/tr>\n | ||||||
| 92<\/td>\n | Figure 6 \u2014 Typical cleading and\/or insulation support for vertical pipework \u2014 Support arrangements (hot insu… <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | Figure 7 \u2014 Typical methods of insulating vertical vessels <\/td>\n<\/tr>\n | ||||||
| 94<\/td>\n | Figure 8 \u2014 Typical methods of insulating horizontal vessels <\/td>\n<\/tr>\n | ||||||
| 95<\/td>\n | Figure 9a \u2014 Typical insulation supports for vessels <\/td>\n<\/tr>\n | ||||||
| 96<\/td>\n | Figure 9b \u2014 Typical insulation supports for vessels <\/td>\n<\/tr>\n | ||||||
| 97<\/td>\n | Figure 10 \u2014 Method of supporting cleading <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | Figure 11 \u2014 Saturation vapour pressure against temperature over ice <\/td>\n<\/tr>\n | ||||||
| 99<\/td>\n | Figure 12 \u2014 Vapour barriers \u2014 Maximum values for water vapour permeance <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | Figure 13 \u2014 Typical hanger in direct contact with pipe (not for pipes operating below ambient temperature) <\/td>\n<\/tr>\n | ||||||
| 101<\/td>\n | Figure 14 \u2014 Typical hanger incorporating load-bearing insulation (for pipes operating above or below ambient … <\/td>\n<\/tr>\n | ||||||
| 102<\/td>\n | Figure 15 \u2014 Typical roller support incorporating load-bearing insulation (for pipes operating above or below … <\/td>\n<\/tr>\n | ||||||
| 103<\/td>\n | Figure 16 \u2014 Typical support for circular ducting incorporating load-bearing insulation (for pipes operating a… <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | Figure 17 \u2014 Typical support for rectangular ducting incorporating load-bearing insulation (for pipes operatin… <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | Figure 18 \u2014 Typical method for insulating vessels with conical bottoms <\/td>\n<\/tr>\n | ||||||
| 106<\/td>\n | Figure 19 \u2014 Typical proprietary support inserts <\/td>\n<\/tr>\n | ||||||
| 107<\/td>\n | Figure 20 \u2014 Typical arrangement showing termination of insulation adjacent to the tank bottom <\/td>\n<\/tr>\n | ||||||
| 108<\/td>\n | Figure 21 \u2014 Typical arrangement showing termination of insulation adjacent to the tank roof <\/td>\n<\/tr>\n | ||||||
| 109<\/td>\n | Figure 22 \u2014 Typical method of staggering insulation sections on a straight pipe (applies where pipe sections … <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | Figure 23 \u2014 Typical method of insulating a valve where metal cladding is not required <\/td>\n<\/tr>\n | ||||||
| 111<\/td>\n | Figure 24 \u2014 Typical method of insulating branches of vessel for cold work showing layered junction <\/td>\n<\/tr>\n | ||||||
| 112<\/td>\n | Figure 25 \u2014 Typical valve box <\/td>\n<\/tr>\n | ||||||
| 113<\/td>\n | Figure 26 \u2014 Typical flange box <\/td>\n<\/tr>\n | ||||||
| 114<\/td>\n | Figure 27 \u2014 Typical method of insulating manhole (cold work) <\/td>\n<\/tr>\n | ||||||
| 115<\/td>\n | Figure 28 \u2014 Insulation of large valves using closed cell flexible insulants <\/td>\n<\/tr>\n | ||||||
| 117<\/td>\n | Figure 29 \u2014 Typical method indicating the extent of insulation on vessel skirt <\/td>\n<\/tr>\n | ||||||
| 118<\/td>\n | Figure 30 \u2014 Typical method of insulating expansion bellows Figure 31 \u2014 Typical method of insulating flexible pipe <\/td>\n<\/tr>\n | ||||||
| 119<\/td>\n | Figure 32 \u2014 Typical method of insulating steam traced pipe <\/td>\n<\/tr>\n | ||||||
| 120<\/td>\n | Figure 33 \u2014 Detail of inverted collar at manhole <\/td>\n<\/tr>\n | ||||||
| 121<\/td>\n | Figure 34 \u2014 Insulated support plate for metal cleading \u2014 150 mm square <\/td>\n<\/tr>\n | ||||||
| 122<\/td>\n | Figure 35 \u2014 Typical joints in sheet metal <\/td>\n<\/tr>\n | ||||||
| 123<\/td>\n | Figure 36 \u2014 Typical expansion joint between hot vessel and self-setting cement covering <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Code of practice for thermal insulation of pipework and equipment in the temperature range of -100\u00b0C to +870\u00b0C<\/b><\/p>\n |