BRlTlsH STANDARD 648 : 1964 UDC 691 : 624.045
SCHEDULE OF
WEIGHTS OF
BUILDING MATERIALS
BRITISH STANDARDS INSTITUTION
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BSI BS*b48 64 m 3624bb9 0038960 3 m
SCHEDULE OF
WEIGHTS OF
BUILDING MATERIALS
B.S. 648 : 1964 Incorporating amendments issued
October, 1968 (AMD 105) and October, 1969 (AMD 344)
BRITISH STANDARDS INSTITUTION Incorporated by Royal Charter
2 PARK STREET, LONDON, W IA 2BS Telex: 266933 Telephone: 01-629 9OOO
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B.S. 648 : 1964
THIS BRITISH STANDARD, having been approved by the Building Divisional Council, was published under the authority of the General Council on 31st December, 1964.
The Institution desires to call attention to the fact that this British Standard does not purport to include all the necessary provisions of a contract.
In order to keep abreast of progress in the industries con- cerned, British Standards are subject to periodical review. Suggestions for improvements will be recorded and in due course brought to the notice of the committees charged with the revision of the standards to which they refer.
A complete list of British Standards, numbering over 9,000, fully indexed and with a note of the contents of each, will be found in the BSI Catalogue which may be purchased from BSI Sales Department. The Catalogue may be consulted in many public libraries and similar institutions.
British Standards are revised, when necessary, by the issue either of amendment slips or of revised editions. It is important that users of British Standards should ascertain that they are in possession of the latest amendments or editions.
The following R.S.I. relcrcnccs relate IO the work on this standard: Committee rcference B/19 Draft for comment D63/9318
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B.S. 648 : 1964
BRITISH STANDARD SCHEDULE OF
WEIGHTS OF BUILDING MATERIALS
FOREWORD
The title of this standard should not be taken to imply that all of the materials quoted are necessarily used solely or even principally in building.
This schedule was first published in 1935 as an attempt to provide a solution to the problems which had arisen through structural and other calculations being based on different data for the weights of materials con- cerned. The 1949 revision was undertaken with a view to making the informa- tion more complete by the inclusion of certain extra materials, together with such changes in the data as had been found to be necessary.
The present revision continues this process of improvement and develop- ment. It contains additional new materials which have since come into use for building purposes and amends the weights of many other materials in the light of up-to-date information. Some materials have been introduced into the standard which will not be present as such in a completed building but a knowledge of whose weights is important for calculations both prior to and during the course of execution of the works. Weights of blockwork, brickwork and stonework have, however, been given in preference to weights of blocks, bricks and stone, as likely to be more helpful to users in view of the main purpose of this standard. At the same time the opportunity has been taken of including in the schedule much of the supplementary information previously given in an appendix.
It has not been found possible to include weights for the many different forms of composite construction coming into use, many of which are still in process of development and capable of many variations and combinations; weights of as many individual component materials as were feasible have, however, been given, from which it is hoped that users will be able to derive any composite weights required. The committee was aware, nevertheless, of certain integrally composite materials, which are difficult to describe generic- ally, mainly specialized products of individual manufacturers and which it was felt to be inadvisable to attempt to cover in a standard schedule.
The data has been recast under each alphabetically arranged main heading, through subsidiary headings of diminishing order. The main headings generally denote materials; however, some denote functions, where it is felt that these will be more helpful to the reader. The alphabetical arrangement of main headings has been perpetuated; but it has not been found possible to favour one system universally for the sub-headings where commonness of useagc has in many instances been felt likely to be more useful; whilst dimen-
4
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B.S. 648 : 1964
sional criteria have been applied to headings of lesser orders. The former column headings and rulings have been eliminated as superílous.
The object of the schedule is to standardize the data employed in calcu- lations rather than to provide more exact data for this purpose. The 'standard' weight of a material, as given in the schedule, is not necessarily the mean between the extreme weights, but a fau-average value and may be regarded as sufficiently accurate for general purposes in calculating dead loads in building work. In cases where extreme accuracy is required the actual material to be employed should be weighed and the most adverse conditions of use taken into account,
Wherever possible, a standard weight has been quoted, but in many instances it has been necessary to include tolerances on each side of this figure, There were some cases where, owing to many different densities being produced, often for as many different purposes of equal importance, it was not possible to choose a single notional figure of any particular significance to which tolerances might be applied, and here a range has been given instead.
The committee having in mind the foregoing practical considerations, no weight has been given to more than one decimal place. The use of decimals has been standardized in preference to fractions, for dimensions as well as for weights.
Where maximum and minimum weights are given in this schedule they represent the extremes of the samples investigated and afford some indication of the variations in weights which may be encountered. They should not be taken as the absolute maximum or minimum weights of the material in question.
In preparing this schedule every care has been exercised to ensure that the standard weights represent average materials of normal composition or structure and, where described as 'as laid', íked in the usual manner. In general, weights of appropriate materials relate to a moisture content state of the material when in approximate equilibrium with theexterior atmosphere.
The references to other British Standards given in brackets in the schedule are intended for identification only and are not to be taken to imply that the weights have been derived from the British Standard quoted. Where the standard for the material specifies weights, however, the figures in the schedule have in general been based upon them.
Notwithstanding the .fact that the Fifth Edition of the Standard Method of Measurement of Building Works, which was published during the prepara- tion of the present schedule specifies the yard rather than the foot as the unit of measurement in most Sections, this present schedule standardizes the use of the foot as being most generally useful. The quotation of a 1-inch unit of thickness has, however, been adhered to in general except where a material is normally made principally in much lesser thicknesses.
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As altered Oc/. 1968
To help overcome confusion arising from the custom of different industries using different series of thickness gauges (i.e. Birmingham, English Zinc, and Standard Wire) and for the sake of uniformity, the thicknesses in decimals of an inch have been given first in the schedule followed in parentheses by the customary gauge appropriate to the particular material. Only a few typical thicknesses used in building have been given for each material, but the weights uf other gauges may be derived by proportional calculations using the decimal inch equivalents from the tables given in Appendix A.
Where thicknesses of material greater than 1 in are customarily employed but the weights are non-proportional, then the weights of a selection of repre- sentative thicknesses have been given.
Some materials are produced in a wide range of sizes, often not solely for building purposes and here, in order to keep the amount of space occupied within reasonable bounds, an attempt has been made to limit the information to representative sizes and, wherever possible, to those most commonly used in building. The space formerly occupied by listing many sizes of some materials has been reduced and information on other entirely different materials substituted to take its place and so increase the general usefulness of the standard. NOTE 1. This standard was prepared in imperial units from which the metric values were derived. Both sets of values are of the same order of accuracy., NOTE 2. The data given in the standard are in units of mass either per unit length, or per
forces in newtons imposed by the dead loads of the materials may be obtained by multiplying unit area, or per unit volume. For most purposes of structural calculation in S1 units the
by 10 (strictly 9.80665) the values given in kilogrammes in the schedule. The degree of approximation implied by this is commensurate with that already indicated in the data given in the schedule, for the reasons explained in the Foreword.
SCHEDULE Aggregates
Coarse Normal weight, e.g. natural
aggregates 90 f 10 lb/ft3 (1442 f 160 kg/m3) Lightweight, e.g. clinker,
foamed slag, expanded clay and sintered pulverized-fuel ash 20 - 50 lb/ft3 (320.4 - 800.9 kg/m3)
Heavyweight, e.g. barytes, magnetite and ilmenite 145 f 5 Ib/ft3 (2323 80 kg/m3)
Steel shot 260 f 10 lb/ft3 (4245 f 80 kg/m3)
Normal weight, e.g. sand 100 f 10 Ib/ft3 (1602 rt 160 kg/m3)
6
Fine ~-
NOTE. For structural calculation in SI units, attention is drawn to NOTE 2 of the Foreword.
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B.S. 648 : 1964
Aggregates (cont) Fine (cont)
Lightweight, c.g. clinker, foamed slag, expanded clay and sintered pulverized-fuel ash
Heavyweight, e.g. barytes, magnetite and ilmenite
Steel shot Combined (‘aIl-in’ ballast)
Aluminium Cast Wrought forms
Sheet Flat 0-048 in (18 SWG)
0436 h (20 SWG) 0.028 in (22 SWG) 0.022 in (24 SWG)
Corrugated (B.S. 2855)
35 - 65 Ib/ft3 (560.6 - 1041 kg/n13)
155 j= 5 Ib/ft3 (2483 -t 80 k ~ 3 m ~ ) 260 & 10 lb/rt3 (4165 160 kg/n?) 125 rt 5 Ibjft3 (2003 3: 80 kg/1n3)
173 Ib/ft3 (2771 kglm9
0.7 Ib/ft2 (3.4 kg/mz) 0-5 lb/ft2 (2.4 kg/m2) 0.4 lb/ft2 (2.0 k@m2) 0.3 Ib/ft2 ( I -5 kg/m2)
(inchding-20 per cent added weight for laps ‘as laid’)
0.048 in (18 SWG) 0.028 in (22 SWG) 0.022 in (24 SWG)
Other wrought forms
Asbestos Felt per 1 in (25.4 mm) thick Fibres, sprayed (including binder)
Asbestos cement Sheeting
Flat 0.25 in (6.4 mm) Wallboard Semi-compressed Fully-compressed
Corrugated (including 10 per cent added weight for laps)
Corrugations 2.875 in (73.0 mm) pitch (B.S. 690)
Corrugations 5.75 in (146.1 m) pitch (B.S. 690)
7
0.9 Ib/ft2 (4.4 kg/m2) 0.6 Ib/ft3 (2.9 kg/n12) 0-4 Ib/ft2 (2.0 kg/m2) 173 lb/ft3 (2771 kg/n13)
0.8 Ib/ft2 (3.9 kg/rn2) 5-15 Ib/ft3 (80-240 k g i d )
1.4 lb/ft2 (6.8 kg/m2) 2.3 lb/ft2 (1 1.2 kB’mz) 2.5 Ib/ft2 (12.2 kg/m2)
3.4 Ib/ft2 (16.6 kg/m2)
3.4 Ib/ft2 (16.6 kg/m2) /-
\
I
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B.S. 648 : 1964
Asbestos cement (cont)
Corrugated (con0 Sheeting (cont)
3.5 in (88.9 mm) corrugations, 15 in (381.0 mm) pitch (B.S. 690) 4.5 lb/ft2 (21.9 kg/m2)
Asphalt Roofing 2 layers, 0.75 in
Damp-proofing (B.S. 1097 and 1418) (19.1 mm) (B.S. 988 and 1162) 8.6 lb/ft2 (41.9 kg/m2)
8.3 Ib/ft2 (40-5 kg/m2) 11.0 Ib/ft2 (53.7 kg/m2) 12.4 Ib/ft2 (60.5 kg/m2)
11 f 1 Ib/ft2 (53.7 f. 4-9 kg/m2)
0.75 'in (1 9. r mm) 1.0 in (25.4 mm) 1,125 in (28.6 mm)
1 in (25.4 mm) thick Flooring (B.S. 1076, 1410 and 1451)
Road and footpaths (B.S. 594 and 1446)
0.5 in (12.7 mm) 0.75 in (1 9- I mm)
Battens Slating and tiling, 1.5 in X 0.75 in
(38.1 mm X 19.1 mm) softwood 4 in (101.6 mm) gauge
Bitumen damp-proof courses (B.S. 743) Hessian hase (Type 5A) Fibrc felt (Type 5B) Asbcstos bascd (Type 5C) Hessian base and lead (Type 5D) Fibrc fclt and lead (Type 5E) Asbestos base and lead (Type 5F)
Bitumen roofing felts (B.S. 747) Bitumen felts (fibre base)
Saturated bitumen (Type I A)
Sandcd bitumen (Type 1B)
8
6-0 Ib/ft2 (29.3 kg/m2) 9.0 lb/ft2 (43.9 kg/m2)
0.7 lb/ft2 (3.4 kg/m2)
0.8 lb/ft2 (3.9 kg/m2) 0.7 ¡blitz (3.4 kg/m2) 0.8 Ib/ft2 (3.9 kg/m2) 019 lb/ft2 (4.4 kg/m2) 0.9 Ib/ft2 (4-4 kp/m2) 1.0 Ib/ft2 (4.9 kg/m2)
0.1 lb/ft2 (0.5 kg/m2) 0.2 Ib/ft2 (1 *O kg/m2) 0.4 Ib/ft2 (2.0 kg/m2) 0.5 Ib/ft2 (2.4 kc/m2)
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Bitumen roofìng felts (cont) Bitumèn felts (fibre base) (cont)
Self-finished bitumen (Type 1C) 0.2* Ib/ft2 (1.0 kg/m2) 0.3* Ib/ft2 (1.5 kg/m2) 0*4* Ib/ft2 (2.0 kg/m2) 0.5* lb/ft2 (2.4 kg/m2) O-6* Ib/ft2 (2.9 kg/m2)
Coated and sanded bitumen felt (Type m 0.4 Ib/ft2 (2.0 kg/m2)
0.5 Ib/ft2 (2.4 kg/m2) 0.6 lb/ft2 (2.9 kg/m2)
Mineral surfaced bitumen (Type 1E) 0.7 Ib/ft2 (3.4 kg/m2) Reinforced bitumen felt (Type 1F) 0.2 lb/ft2 (1 -0 kg/m2)
Saturated bitumen asbestos Bitumen felts (asbestos base)
(Type 2A) 0.1 Ib/ft2 (0.5 kg/m2) 0.2 Ib/ft2 (1 -0 kg/ma)
Self-finished asbestos (Type 2B) O-3* lb/ft2 (1.5 kg/m2) 0*4* lb/ft2 (2.0 kg/m2) 0.5' lb/ft2 (2.4 kg/m2)
asbestos (Type 2C) 0.7 Ib/ft2 (3.4 kg/m2)
Saturated fluxed pitch (Type 3A) 0.1 Ib/ft2 (0.5 kg/m2> 0.2 Ib/ft2 (1.0 kg/m2)
Sanded fluxed pitch (Type 3B) 0.4 Ib/ft2 (24 kg/m2) 0.6 Ib/ft2 (2-9 kg/m2)
Mineral surfaced bitumen
Fluxed pitch felts (fibre base)
Impregnated flax felts and hair felts Impregnated flax (Type 4A)
Black Roofing 0.4 lb/ft2 (2-0 kg/m2) Sarkíng 0-3 Ib/ft2 (1.5 kg/m2) Black sheathing 0.2 lb/ft2 ( 1 -0 kg/m2) " .
No. I Inodorous 0.3 Ib/ft2 (1.5 kg/m2) No. 2 Inodorous 0.2 lb/ft2 ( i -0 kg/m2) Brown sheathing 0.2 Ib/ft2 (1.0 kdm2)
Brown
Impregnated hair (Type 4B) Black
Black hau sheathing 0.4 Ib/ft2 (2.0 kg/m?
When fine sand is used in lieu of talc this weight i s increased by approximately 0.1 lb. (0.5 kg/m') r +
9
NOTE. For structural calculation in SI units, attention is drawn to NOTE 2 of thc Foreword.
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im6egnated hair (type 4B) (cont)
Brown bituminous hair Bitumen felts (glass fibre base)
Brown
Bitumen glass fibre (Type 5A)
Mineral surfaced bitumen glass fibre (Tvpe 5B)
Blockwork, walling Clay
Hollow, per 1 in (25.4 mm) thick Perforated (approximately 50 per
cent perforated) Medium density, per 1 in
(25.4 mm) thick High density, per 1 in
(25.4 mm) thick Concrete
Ballast and stone aggregate Cellular per 1 in (25.4 mm) thick Hollow per 1 in (25.4 mm) thick Solid per 1 in (2594 mm) thick
Stone aggregate Slate aggregate
Lightweight aggregate
0.4 Ib/ft2 (2.0 kg/m2)
0.3 Ib/ft2 (1.5 kg/m2) 0.4 Ib/ft2 (2.0 kg/m2)
0.6 Ib/ft2 (2.9 kg/m2)
5.3 Ib/ft2 (25.9 kg/m2)
5.8 Ib/ft2 (28.3 kg.m2)
6.7 Ib/ft2 (32.7 kglm2)
8.3 Ib/ft2 (40.5 kg/m2) 7.1 lb/ft2 (34.7 kg/m2)
11.2 Ib/ft2 (54.7 kg/m2) 10.0 lb/ft2 (48.8 kg/m2)
B.S. 640 : 1964
Bitumen roofing felts (cont) ImDrecnated flax felts and hair felts (cont)
- - -_ - Cellular per I in (25.4 mm) thick 5.9 Ib/ft2 (28.8 kg/m2) Hollow per 1 in (25.4 mm) thick 5.3 Ib/ft2 (25.9 kg/m2) Solid per 1 in (25.4 mm) thick 6.6 Ib/ft2 (32.2 kglm?'
Based on 35 Ib/ft3 (560.6 kg/m3) Aerated
density Per 1 in (25.4 mm) thick 3.0 Ib/ft2 (14.6 kg/m?
Per 1 in (25.4 mm) thick 4.0 Ib/ft2 (19.5 kglm9
peat, etc.
density
Based on 50 Ib/ft3 (800.9 kg/m3)
Organic aggregates e.g. sawdust,
Based on 80 Ib/fts (1281.5 kglm3
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B.S. 648 : 1964
Blockwork, walling (cont)
Diatomaceous earth Concrete (cont)
2 in (50.8 mm) thick 6.8 Ib/ftz (33.2 kg/m2) 2% in (63.5 mm) thick 7.9 Ib/ft2 (38.6 kg/mz) 3 in (76.2 mm) thick 9.0 Ib/ft2 (43.9 kg/m2) 4 in (101.6 mm) thick 10.9 lb/ft2 (53.2 kg/m2) 4% in (114.3 mm) thick 11 -6 lb/ft2 (56.6 kg/mz)
Board, laminated (ie. battenboard, blockboard and laminboard)
Per 1 in (25.4 mm) thick 2.3 rt 0.2 lb/ft2 (1 1.2 f 1.0 kg/rn?
Brass Copper 60 per cent, zinc 40 per cent
Copper 70 per cent, zinc 30 per cent (CZ 123 of B.S. 2870) 526 Ib/ft3 (8426 kg/m3)
(C2 106 of B.S. 2870) 532 lb/ft3 (8522 kg/m3j -
- . .. -
Brickwork Clay
Solid, per 1 in (25.4 mm) thick Low density 10.4 Ib/ft2 (504 kg/m2) Medium density 11 -2 lb/ft2 (54.7 k@mZ) High density 12.1 lb/ft2 (59.1 kg/in2)
Perforated, per 1 in (25.4 mm) thick . 25 per cent voids 7.9 lb/ft2 (38.6 kg/m2)
25 per cent voids 8.3 Ib/ft2 (40-5 kg/mz) Medium density { 15 per cent voids 9.6 lb/ft2 (46.9 kg/m2)
25 per cent voids 9.2 lb/ft2 (44.9 kg/m2)
15 per cent voids 8.8 Ib/ft2 (43.0 kg/m2)
15 per cent voids 10.0 Ib/ft2 (48.8 kg/m2) Concrete, per 1 in (25.4 mm) thick 12 Ib/ft2 . (58.6 kg/m2) Lightweight/Flue
Diatomaceous earth, per 1 in
Calcium silicate (sand lime and (25.4 mm) thick 3.4 Ib/ft2 (16.6 kg/m2)
flint lime) Per 1 in (25.4 mm) thick 10-4 Ib/ft2 -(50-8 kg/rn2$->-\
11
NOTE. Forstructural calculation in SI units, attention is drawn to N-OTE 2 or the Foreword.
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E S 1 B S * b 4 8 64 B.S. 648 : 1964
Bronrc, phosphor, wrought (B.S. 369 and 407)
Carpet
Cast stone
Cement
Concrete
Aerated
Brick aggrcgate Natural aggregates Lightweight aggreptcs
Normal
Structural
Heavy weight aggregates c.g. b a r p s . ilmcnite,
Stccl shot magnetite, etc.
No-fincs Organic aggrcgcltc
Diatomacoous corth
Copper Cast Wrought
Shcct c\nd strip 0,048 in (18 SWG) 0.036 i l1 (20 SWG) 0.028 in (22 SWG) 0.022 i n (24 SWG)
Othcr wrought forms
Cork
S58 Ib/ft:’ (8938 kg/nV)
Granular. 0.188 in (4-8 mm) sizt., loosely packed 7.5 Ib/ft3 (120 kg/m3)
h’ormul ycr 1 in (25.4 mm) thick 0.9 Ib/ft2 (4.4 kg/m2) Scmi-comprcsscd per 1 in
(25.4 mm) thick 1.0 lb/ft2 (4.9 kg/m2)
12
m Lb24667 O O L B 7 7 L B m - “P- ” ”
558 Ib/ft3 (8938 kg/m3)
0.6 8:; lb/ft2 (2.9 - .o kg/m2)
140 lb/ft3 . (2243 kg/m3)
90 lb/ft3 (1442 kg/m3)
+ 0.5
40 f !: lb/ft3 (641 - 160 kg/m3)
125 & 10 lb/ft3 (2002 f 160 kg/m3) 144 lb/ft3 (2307 kg/m3)
+ 961
70 f 30 lb/ft3 (1121 f 481 kg/m3)
110 1; lb/f13 (1762 - 160 kg/m3) + 240
200 i 10 Ib/ft3 (3204 & 160 kg/m3) 330 f 15 lb/ft3 (5286 f 240 kg/m3)
80 f 35 lb/ft3 (1281 561 kg/m3)
kg/m3)
1 IO f 5 Ib/ft3 (1762 f 80 kg/m3)
80 Ib/ft3 (1281 - 64 + 112 - 4
545 Ib/ft3 (8730 kg/m3)
2.2 Ib/ft2 (10.8 kg/m2) 1.7 Ib/ft2 (8.3 kg/m2) 1-3 Ib/ft2 (6.3 kg/mz) 1.0 Ih/ft2 (4.9 kg/m2)
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BSI BSwb48 6 4 Lb24bb7 0038772 T
B.S. 648 : 1964
Cork (cont) Board (cont)
Compressed per 1 in (25.4 mm) thick 1.5 Ib/ft2 (7.3 kg/ma)
Flooring per 1 in (25.4 mm) thick 2.0 Ib/ft2 (9.8 kg/m2)
Expanded metal, steel For concrete reidforcement (B.S. 1221) References (B.S. 1221)
327 0.9 Ib/ft2 33 1 0.6 Ib/ft2 332 0.5 Ib/ft2 348 1.3 Ib/ft2 351 0-9 Ib/ft2 352 0.6 Ib/ft2
For plastering (B.S . 1369 and B.S. 405) Referemes
24 gauge (B.S. 1369) 0.3 IbJft2 XM 104 (B.S. 405) 0.5 Ib/ft2 X M 125 (B.S. 405) 0.6 Ib/ft2
For general purposes (B.S. 405) References (B.S. 405) X M 46 0.9 Ib/ft2 X M 51 0.3 Ib/ft2 XM 75 0.7 Ib/ft2 XM 79 0.2 Ib/ft2 X M 104 0.5 Ib/ft2 X M 125 0.6 lb/ft2
Insulating per 1 in (25.4 mm) thick 1.0 Ib/ft2 Felt
(4.4 kg/m2) (2.9 kg/m2) (2-4 kg/m2) (6.3 kg/m2) (4.4 kS/m2) (2.9 kg/m2)
(4.9 kg/ma)
Fibre building board Insulating boards 0.5 in (12.7 mm) 0.7 Ib/ft2 (3.4 kg/m2) Hardboard
Normal 0.125 in (3.2 mm) 0.7 lb/ft2 (3.4 kg/m2) Tempered 0.125 in (3.2mm) 0.7 Ib/ft2 (3.4 kgjm2)
Laminated 0.188 in (4-8 mm) 0.7 lb/ft2 (3.4 kg/m2) Acoustic (unfaced) 0.5 in (1 2.7 mm) 0.7-1 *O Ib/ft2 (3.4-4-9 kg/m2)
0.75 in (19.1 mm) 0-9-1.4 Ib/ft2 (4.4-6-8 kg/m2) Flagstones
Concrete 2 in (50.8 mm) thick 24 1 b/ft2 (1 I7 kg/ma) 2.5 in (63.5 mm) thick 30 lb/fI2 (146 kg/m*)
f Y
13
NOTE. For structural c;llculation in SI units, attention is drawn to NOTE 2 of thc Foreword.
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B.S. 648 : 1964
Ragstones (cont) Natural stone
2 in (50-8 mm) thick 28 lb/ft2 (137 kg/m2) 2.5 in (63.5 mm) thick 35 Ib/ft2 (171 kg/m2)
Floors Hollow clay blocks
Without ribs (including reinforcement and mortar jointing between blocks but excluding any concrete topping)
4 in (101.6 mm) 30 Ib/ft2 (146 kg/m2) 5 in (127.0 mm) 35 lb/ft2 (171 kg/m2) 6 in ( 1 52.4 mm) 39 Ib/ft2 (190 kg/m2) 7 in (177.8 mm) 47 Ib/ft2 (229 kg/m2) 8 in (203.2 mm) 53 lb/ft2 (259 kg/m2)
NOTE. These weights are based on the use of hollow blocks of varying size and depth. For each I inch (25.4 mm) of thickness of concrete topping add 12 Ib/ft* (58.6 kg/m').
With concrete ribs between blocks (including reinforcement but excluding any concrete topping)
3 in (76.2 mm) 19 Ib/ft2 (92.8 kg/m2) 3.5 in (88.9 mm) 22 Ib/ft2 (107 kg/m2) 4 in (101.6 mm) 25 Ib/ft2 (122 kg/m2) 4.5 in ( I 14.3 mm) 27 lb/ft2 (132 kg/m2) 5 in (127.0 mm) 29 lb/ft2 (142 kg/m2) 5 . 5 in ( 139.7 mm) 31 Ib/ft2 (151 kg/m2) 6 in (152.4 mm) 33 Ib/ft2 (161 kg/m2) 7 in ( I 77.8 mm) 37 Ib/ft2 (181 kg/m2) 8 in (203.2 mm) 41 lb/ft2 (200 kg/m2)
NOTE. Thcse weights are based on the use of blocks of varying size and depth and of lesser density than those used without concrefe ribs between the blocks. For each 1 in (25.4 mm) thickness of concrete topping add 12 Ib/ft* (58.6 kslm').
Hollow concrete units (including any concrete topping necessary for constructional purposes)
4 in (101 -6 mm) 35 Ib/ft2 (171 kg/m2) 5 in ( 127-0 mm) 40 Ib/ft2 (195 kg/m2) 6 i n ( I 51.4 mm) 45 !b/ft2 (220 kg/m? 7 in (177.8 mm) 50 lb/ft2 (244 kg/m2) 8 in (203a2 mm) 55 Ib/ft2 (269 kg/m2)
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B.S. 648 : 1964
Glass Sheet
24 oz (680.4 g) 0.1 1 in (2.8 mm)
32 oz (907.2 g) 0.156 in (4.0 mm)
Cast, crear plate and armoured plate
thick - 1.5 lb/ft2 (7.3 kg/m2)
thick . 2 lb/ft2 (9.8 kg/m2)
0.125 in (3.2 mm) thick 1.8 lb/ft2 (8.8 kg/m2) 0.25 in (6.4 mm) thick 3.3 lb/ft2 (16.1 kg/m2) 0-5 in (12.7 mm) thick 6.5 Ib/ft2 (31.7 kg/m2) 1.0 in (25-4 mm) thick 13.3 lb/ft2 (64.9 kg/m2)
0.25 in (6.4 mm) thick 3.5 Ib/ft2 (17.1 kg/m2) Wired cast
Glass blocks Hollow
(B.S. 1207) 3.875 in (98-4 mm) thick . 8 in (203.2 mm) (2061 blocks per yd2) 17 Ib/ft2 (83.0 kg/m2) 6 in (152.4 mm) (36 blocks per Vd2) 20 lb/ft2 (97.6 kg/m2)
Glass fibre Thermal insulation of roofs and walls
Acoustic insulation of floating floors Per 1 in (25.4 mm) thick 0.1 Ib/ft2 (0.5 kg/m2)
- Per 1 in (25.4 mm) thick 0.2 lb/ft2 (1 *O kg/m2)
Slab Per 1 in (25-4 mm) thick 0.4-1.0 lb/ft2 (2.049 kg/m2)
Per 1 in (25.4 mm) thick 1.1 lb/ft2 (5.4 kg/m2)
Per 1 in (25.4 mm) thick 1.3 lb/ft2 (6.3 kg/m2)
Formboard
Roof board
Glazing, patent (Bars at 2 ft (0.6 m) centres and wired cast glass 0.25 in (6-4 mm) thick)
Spans up to 6 ft (1.8 m) 5.3 lb/ft2 (25.9 kg/m2) Spans 6 ft to 11 ft (1 -8-3-4- m) 6.0 Ib/ft2 (29.3 kg/mz)
Spans up fo 11 ft (3-4 m) 4.0 lb/ft2 (19.5 kg/m2)
Lead-covered steel bars
Aluminium bars
Gunmetal 553 lbIft3 (8858 kg/m3)
15
NOTE. For structural calculation in S1 units, attention i s drawn to NOTE 2 of the Foreword.
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B.S. 648 : 1964
Gutters Cast iron (B.S. 1205)
Half-round 3 in (76.2 mm)
4 in (101.6 mm) 4.5 in (114-3 mm) 5 in (127.0 mm) 6 in (152.4 mm)
ogee 4 in (101.6 mm) 4.5 in (1 14.3 mm) 5 in (1 27.0 mm)
Asbestos cement Half-round 3 in (76.2 mm)
4 in (101.6 mm) 4.5 in (1 14.3 mm) 5 in (1 27.0 mm) 6 in (1 52.4 mm) 8 in (203.2 mm)
Ogee 4 in (101.6 mm) 4.5 in (1 14.3 mm) 5 in (127.0 mm) 6 in ( 1 52.4 mm) 8 i n (203.2 mm)
Plastics PVC 4 in (101.6 mm)
Aluminium Half-round, 6 ft (1.8 m) lengths
4 in (101.6 mm) Cast Wrought 0.08 in (14 SWG)
Cast Wrought 0.08 in (14 SWG)
Cast Wrought 0.08 in (14 SWG)
Cast Wrought 0.08 in (14 SWG)
4.5 in (1 14.3 mm)
5 in (127.0 mm)
6 in (1 52.4)
16
1.8 lb/ft (2.7 kglm) of effective length 2.1 Ib/ft (3.1 kglm) 2.4 lb/ft (3.6 kg/m) 2.7 lb/ft (4.0 kg/m) 3.2 lb/ft (4.8 kg/m)
2.4 lb/ft (3.6 kglm) 2.8 lb/ft (4.2 kg/m) 3.1 lb/ft (4.6 kg/m)
1-4 Ib/ft (2.1 kg/m) of effective length 2.0 lb/ft (3.0 kg/m) 2.4 lb/ft (3.6 kdm) 2.6 lb/ft (3.9 kg/m) 2.9 Ib/ft (4.3 kglm) 3-9 Ib/ft (5.8 kg,'m)
2.5 Ib/ft (3.7 kglm) 3.0 Ib/h (4-5 kg/m) 3.0 lb/ft (4.5 kgle) 3.5 Ib/ft (5.2 kg/m) 5.1 lb/ft (7.6 kg/m)
0.4 Ib/ft (0.6 kg/m)
0.8 lb/ft (1.2 kg/m) 0.6 Ib/ft (0.9 kg/m)
0.9 Ih/ft (1.3 kg/m) 0.7 Ib/ft (1.0 kg/m)
1 *O Ib/ft (1 a 5 kg/m) 0-8 1 blft f 1 -2 kg/m)
1.1 lb/ft (1.6 kglm) 0.9 lb/ft (1.3 k W
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B.S. 648 ; 1964
Gutters (cont) Aluminium (cont)
Ogee, 6 ft (1.8 m) lengths 4 in (101.6 mm)
Cast 0.9 lb/ft Wrought 0.08 in (14 SWG) . 0-8 lb/R
Cast 1 1 lb/ft
Cast 1-3 Ib/ft Wrought 0.08 in (14 SWG) 0.9 lb/ft
4.5 in (114.3 mm)
5 in (127.0 mm)
Rectangular, 6 ft (1-8 m) lengths 4 in x 2 in (101.6 mm x 50.8 mm)
4in x 3in(101*6mm x 7 6 . 2 ~ )
5 in x 2% in (127.0 mm x 63.5 mm)
5 in x 4 in (127.0 mm x 10196 mm)
6 in x 3 in (152.4 mm x 76.2 mm)
Wrought 0.8 Ib/ft
Cast 1-5 lb/ft
Wrought 1.0 lb/ft
Cast 2.0 Ib/ft
Wrought 1 -2 Ib/ft Precast concrete
22 in (558.8 mm) on bed and 7 in (177-8 mm) high 62 f 2 lb/ft (92 f 3 kg/m)
Gypsum panels and partitions
3 in thick (76.2 mm) 4 in thick (101.6 mm) 5 in thick (127.0 mm) 6 in thick.(152*4 mm)
2-25 in (57.2 mm) thick 2.5 in (63.5 mm) thick
Building panels
Dry partition
Iron Cast Wrought
Lathing Wood
9 Ib/ft2 (43.9 kg/ma) 10 lb/ft2 (48.8 kg/m2) 12 Ib/ft2 (58.6 kg/m2) 13 lb/ft2 (63.5 kglm9
4.2 Ib/ft2 (20.5 kg/ma) 5.3 Ib/ft2 (25.9 kg/m2)
450 lb/ft5 (7208 kg/m3) 480 lb/ft3 (7689 kglm9
1.3 lb/fts (6.3 kglm
17
NOTE. For structural calculation in SI units, attention is drawn to NOTE 2 of the Foreword.
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B.S. 648 : 1964
Lathing (cont) Expanded metal, steel
For plastering (B.S. 1369 and B.S. 405) References 24 gauge (B.S. 1369) 0.3 lb/ft2 (1.5 kg/m2) XM 104 (B.S. 405) 0.6 lb/ft2 (2.9 kg/m2) X M 125 (B.S. 405) 0-6 Ib/ft2 (2.9 kg/m2)
0.015 in (28 BG) 0.8 lb/ft2 (3.9 kg/m2) 0.019 in (26 BG) 0.9 lb/ft2 (4-4 kg/m2) 0.024 in (24 BG) 1.1 Ib/ft2 (5.4 kg/m2)
Clay 1 lb/ft2 (4.9 kg/m2)
Ribbed perforated metal sheet
Lead Shcet (B.S. 1178)
0.067 in (1 07 mm) 0.084 in (2.1 mm) 0.101 in (2.6 mm) 0.118 in (3.0 mm)
Cast
4.0 lb/ft2 (19.5 kg/m2) 5.0 Ib/ft2 (24.4 kg/m2) 6.0 lb/ft2 (29.3 kg/m2) 7.0 lb/ft2 (34.2 kgjm2) 707 Ib/ft3 (1 1325 kg/m3)
Linoleum (B.S. 810)
3.2 mm 4.5 mm 6.7 mm
0.9 Ib/ft2 (4.4 kg/m2) 1.2 lb/ft2. (5.9 kg/m2) 2.0 Ib/ft2 (9.8 kg/m2)
Magnesium alloys Cast Wrought
Sheet, flat 3 SWG
10 SWG 16 SWG 20 SWG
Other wrought forms
108 lb/ft3 (1730 kg/m3)
2.4 Ib/ft2 (1 1.8 kg/m2) 1.2 lb/ft2 (5.9 kg/m2) 0-6 Ib/ft2 (2.9 kg/m2) 0.3 Ib/ft2 (1 5 kg/m2) 108 Ib/ft3 (1730 kg/m3)
Magnesium oxychloride Normal type (sawdust filler)
Heavy duty type (mineral filler) 1 in (25.4 mm) thick 7.2 f 0.6 Ib/ft2 (35.2 k 2.9 kg/ma)
1 in (25.4 mm) thick 11 0.6 lb/ft2 (53.7
18
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BSI BS*bli8 b l i W Lb24667 OOL8778 O W
Mefal faced plywood Aluminium
0.188 in (4-8 mm) thick Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
0.25 in (6.4 mm) thick
0.375 in (9.5 mm) fhick
0.5 in (12.7 mm) thick
0.75 in (19.1 mm) thick
Galvanized steel
Faced I side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
Faced 1 side Faced 2 sides
0.188 in (4.8 mm) thick
0-25 in (6.4 mm) thick
0.375 in (9.5 mm) thick
0.5 in (1 2-7 mm) thick
0.75 in (19.1 mm) thick
Pavement lights, glazed Cast iron or reinforced concrete
Pipes Cast iron
Rainwater (B.S. 460) 2.5 in (63.5 mm) nominal size 3.0 in (76.2 mm) nominal size
B.S. 648 : 1964
0.8 Ib/ft2 (3.9 kg/m2) 1.1 Ib/ft2 (5.4 kg/m2)
1.0 lb/ft? (4.9 kg/m2) 1.3 Iblft2 (6.3 kg/m2)
1.3 Ib/ft2 (6.3 kg/m2) 1.5 Ib/ft2 (7.3 kg/m2\
1.7 lb/ft3 (8.3 kg/m2) 2.0 lb/ft? (9.8 lcg/m2)
2-5 lb/ft2 (12.2 kS/m2) 2.8 Ib/ft2 (13.7 kg/m2)
1 -0 lb/ft2 1.6 lb/ft2
1.3 lb/ft2 1.8 Ib/ft2
1 * 5 I b/ft2 2.0 Ib/ft2
1 -9 1 bift2 2.5 Ib!ft2
2.8 Ib/ft2 3.3 Ib/ft2
(4.9 kg/m2) .
(7.8 kg/m2)
(6.3 kg/m2) (8.8 kg/m2)
(7.3 k%fm2) (9.8 kg/m2)
(9.3 kg/m2) ( I 2.2 kg/m2)
(I 3.7 kg/m2) (16.1 kg/mz)
25 f 5 Ib/ft” (122.1 f 24.4 kg[ma)
3.3 Ib/ft (4.9 kg/m) 4.0 Ib/ft (6.0 kGfrn)
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Pipes (cont) Cast iron (cont)
Flue or smoke (B.S. 41) 4.0 in (101 -6 mm) nominal size 4.5 in ( I 14.3 mm) nominal size 5.0 in ( 1 27.0 mm) nominal size 6.0 in (152-4 mm) nominal size 7.0 in (177.8 mm) nominal size 8.0 in (203.2 mm) nominal size 9.0 in (228.6 mm) nominal size 10.0 in (254.0 mm) nominal size 12.0 in (304.8 mm) nominal size
6-0 Ib/ft 6.7 Ib/ft 8.3 Ib/ft 11 *3 Ib/ft 15.2 I b/ft 19.7 Ib/ft 25.3 Ib/ft 31.3 Ib/ft 42.7 Ib/ft
Soil, wastc and ventilating (B.S. 416) Mcdium
3.0 in (76.2 mm) nominal size
4.0 in (101.6 mm) nominal size
6.0 i n ( 1 52.4 mm) nominal size
(min. ¡nt. dia.) 6.2 Ib/ft (9.2 kg/m)
(min . ¡nt. dia.) 8.0 Ib/ft (1 1.9 kdm)
( m i n . ¡nt. dia.) 12.2 Ib/ft (18.2 kg/m) Heavy
3.0 i n (76.2 mm) nominal size
4.0 in ( 101.6 mm) nominal size (min . ¡nt. dia.) 6.8 Ib/ft (10.1 kglm)
(min. int. dia.) 9.0 Ib!ft ( I 3.4 kg/m) . .
Extra hcnvy 4.0 i n (101 a6 mm) nominal size
6.0 in (152.4 mm) nominal size (min. int. dia.) 10.7 Ib/ft (15.9 kg/m)
(min, ¡nt. dia.) 15.8 lb/ft (23.5 kglm)
Drain (B.S. 437) 4 in (101 -6 mm) nominal size
6 in (152.4 mm) nominal size (min. ¡nt. dia.) 17.5 Ib.'ft (26.0 kg/m)
(min. int. dia.) ' 25.0 Ib/ft (37.2 kdm)
Ashcstos ccnicnt Rainwatcr ((n.S. 569)
3 in (76-1 mm) nominal size
4 i n ( 101 mm) nominal si7e ( ¡ n t . diil.) 3 Ib/ft (4.5 kg!m)
(¡nt. dií\.) 4 Ib/ft (6.0-
20
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8sI 8S*b48 6 4 m 162qbb9 0018780 7 m B.S. 648 : 1964
Pipes (cont) Asbestos cement (cont)
soil, wasfe and ventilating (B.S. 5823 4 in (101.6 mm) nominal size
(int. dia.) 4 Ib/ft (6.0 kg/m)
Drainage and sewerage (B.S. 3656) 4 in (101 -6 mm) nominal size
6 in (152.4 mm) nominal size
9 in (228.6 mm) nominal size
Class 3 6.1 f 0.3 lb/ft (9.1 3- 0.4 kglm)
Class 3 9.9 f 0.5 Ib/ft (14.7 rt 0.7 kg/m)
Class 2 14.8 f 0.7 Ib/ft (22.0 3: 1.0 kg/m) Class 3 17.1 f 0.9 Ib/ft (25.4 -!- 1.3 kg/m)
Class 1 22.4 f 1.1 Ib/ft (33-3 5 1.6 kglrn) Class 2 25.8 -l 1.3 lb/ft (38.4 3: 1 a9 kg/m) Class 3 29.9 1.5 Ib/ft (44.5 .L 2?2 kglm)
12 in (304.8 mm) nominal size
Pressure (B.S. 486) 4 tn (101 *6 mm) nominal size
Classes A and B 6.7 f 0.3 lb/ft (10.0 :i: 0-4 kg/m) Classes C and D 7.1 f 0.4 Ib/ft (lO”6 ri- 0.6 kg/rn)
Classes A and B 9.6 5 0.5 Ib/ft (14.3 :: 0.7 kg/m) Class C 12.7 & 0.6 Ib/ft ( I 8.9 4. 0.9 kg/m) Class D 14.4 ri-. 0.7 Ib/ft (21.4 -:. 1.0 kdrn) -
Class A 15.2 0-8 ¡b/ft (22-6 -:. I-:! kg/m) Class B 18.1 f 0.9 Ib/ft (26.9 :;- 1.3 kdm) Class C 23.2 + 1.2 Ib/ft (34.5 :!- 1 *8 kg/m) Class D 28.2 -J- 1.4 Ib/ft (42.0 I: 2. I kg/m)
Class A 22.4 & 1 . 1 Ib/ft (33.3 i: 1 a6 kg/m) Class B 26.5 rt 1 m3 Ib/ft (39.4 -!: 1 *9 kg!m) Class C . 39.3 + 2.0 Ib/ft ( 5 8 - 5 :- 3.0 kzlm) Class D 50.0 :i- 2.7 Ib[ft (744 L 4.0 kglrn)
6 in (1 52-4 mm) nominal size
9 in (228.6 mm) nominal size
12 in (304-8 mm) nominal size
Copper Water supply
(average weights of tube, fittings
0.5 in (12-7 mm) nominal size 0.3 Ib/ft (0.4 kg/m) 0-75 in (19.1 mm) nominal size 0.5 Ib/ft (0.7 kg!m)
and clips)
> 21
NOTE. For structural wlculotion in SI units. attcntian i s drmin to NOTE 2 of thc F w x o r r l .
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B.S. 648 : 1964
Pipes (cont) Copper (cont)
Water supply (cont) 1 in (25.4 mm) nominal size 1 a25 in (3 1 * 8 mm) nominal size 1 e 5 in (38.1 mm) nominal size
Rainwater, soil, waste and ventilating (B.S. 659)
3 in (76.2 mm) nominal size
4 in (101 -6 mm) nominal size
6 in ( 1 52.4 mm) nominal size
(int. dia.)
(int. dia.)
(int. dia,)
Steel Screwed and socketed (B.S. 1387)
1125 in (31.8 mm) nom. bore 1.5 in (38.1 mm) nom. bore 2 in (50.8 mm) nom. bore 3 in (76.2 mm) nom. bore 4 in (101.6 mm) nom. bore
Light
Medium 1-25 in (31.8 mm) nom. bore 1.5 in (38.1 mm) nom. bore 2 in (50.8 mm) nom. bore 3 in (76.2 mm) nom. bore 4 in (191 -6 mm) nom. bore 6 in ( 1 52.4 mm) nom. bore
Heavy 1.25 in (31.8 mm) nom, bore 1.5 in (38.1 mm) nom. bore 2 in (50.8 mm) nom. bore 3 in (76.2 mm) nom. bore 4 in (101+6 mm) nom. bore
6.Q Ib/ft (1 -2 kg/m) 1.1 lbjh (1.6 kg/m) 1 -3 Ib/ft (1 19 kglm)
2.1 Ib/ft (3.1 kg/m)
3.3 Ib/ft (4.9 kg/m)
5.4 Ib/ft (8.0 k d m j
1.8 Ib/ft (2.7 kg/m) 2.2 Ib/ft (3.3 kglm) 2.8 ib/ft (4.2 kg/m) 4.7 Ib/ft (7.0 kg/m) 6.8 lb/ft (10.1 kglm)
2.1 Ib/ft (3.1 kg/m) 2.5 Ib/ft (3.7 kglm) 3.5 Ib/ft (5.2 kg/m) 5.8 Ib/ft (8.6 kg/m) 8.3 Ib/ft ( I 2-4 kglm) 13.3 lb/ft (19-8 kglm)
2.6 Ib/ft (3.9 kglm) 3.0 Ib/ft (4.5 kglm)
4.2 Ib/ft (6.3 kdm) 6.9 Ib/ft (10.3 kg/m) 9.9 Ib/ft (14.7 kdm)
6 in ( 1 52.4 mm) nom. bore 14.7 Ib/ft (21.9 kgfm) Add 5 per cent extra if galvanized.
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B S I BS*bl l8 b4 m Lb24bb9 0018982 2 m B.S. 648 : 1964
Pipes (cont) Plastics
Polythene
Light General purposes
0.5 in (12.7 mm)
1.0 in (25.4 mm)
2.0 in (50.8 mm)
nom. int. dia.
nom. int. dia.
nom. int. dia.
Medium 0.438 in (11.1 mm)
nom. int. dia. 0.875 in (22.2 mm)
nom. int. dia, 2.25 in (57.2 mm)
nom. int. dia.
Heavy 0.5 in (12.7 mm)
1 *O in (25.4 mm)
2.0 in (50.8 mm)
nom. int. dia.
nom. int. dia.
nom. int. dia.
High density Class B
0.5 in (12-7 mm)
1.0 in (25.4 mm)
2.0 in (50.8 mm)
nom. int. dia.
nom. int. dia.
nom. int. dia.
c l a s s c 0.5 in (12-7 mm)
1 *O in (25.4 mm)
2.0 in (50.8 mm)
nom. int. dia.
nom. int. dia.
nom. ¡nt. dia,
0.04 lb/ft (0.06 kglm)
0.2 lb/ft (0.3 kg/m)
0.4 lb/ft (0.6 kglm)
0.06 lb/ft (0.09 kglm)
0.3 lb/ft (0.4 kg/m)
0-7 Ib/ft (1.0 kg/m)
0.1 lb/ft (0.1 kg/m)
0.4 lb/ft (0.6 kgjm)
0-9 lb/ft (1-3 kglm)
0.06 lb/ft (0.09 kglm)
0.1 lb/ft (0.1 kg/m)
0.4 lb/ft (0-6 kg/m)
0.08 Ib/ft (0.1 kglm)
0.2 lb/ft (0.3 kglm)
0.6 lb/ft (0.9 kg/$-,
23
NOTE. For slructural c:llcoIation it1 S I units, attention is drawn lo NOTE 2 of the Foreword.
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B.S. 648 : 1964 '
Pipes (cont) Plastics (cont)
Polythene (cont) High dcnsity (cont)
Class D 0.5 in (12.7 mm)
nom. ¡nt. dia 1 *O in (25.4 mm)
nom. int. dia. 2.0 in (50-8 mm)
nom. int. dia. Cold water
Normal 0.5 in (12.7 mm) nom. bore 1.0 in (25.4 mm) nom. bore 2-0 in (50.8 mm) nom. bore
0.5 in ( I 2.7 mm) nom. bore 1.0 in (25.4 mm) nom. bore
Heavy
Rainwater
Soil 2.5 i n (63.5 mm) nom. slze
4 in (101.6 mm) nom. size
Cold water supply (B.S. 3505)
6 in (1 52.4 mm) nom. size
2 in (50.8 mm) nom. size 3 i n (76.2 mm) nom. size 4 in (101.6 mm) nom. size 6 in (152.4 mm) nom. size
1 in (25.4 mm) nom. size 2 in (50.8 mm)'nom, size 3 in (76.2 mm) nom. size 4 in (101.6 mm) nom. size 6 in (152.4 mm) nom. size
0.5 in (12.7 mm) nom. size I in (25-4 mm) nom. size 2 in (50.8 mm) nom. size
PVC
Class AA
Class B
Class c
Class D
24
0.2 Ib/ft (0.3 kglm)
0 4 Ib/ft (0-6 kglm1
0.07 Ib/ft (0.1 kg/rn) 0.2 Ib/ft (0.3 kdm) 0.5 Ib/ft (0.7 kg/m)
0.1 lb/ft (0.1 kdm) 0.3 Ib/ft (0.4 kglm)
0.4 Ib/ft (0.6 kg/m)
2.1 lb,% (3-1 kg/m)
0.4 lb/ft (0.6 kg/m) 0.8 lb/ft (1.2 kdm) 1 e 2 Ib/ft (1 e 8 kg/m) 2.6 Ib/ft (3.9 kg/m)
0.2 lb/ft (0.3 kg/m) 0.5 Ib/ft (0.7 kdm) 1 -0 lblrt ( 1.5 kglm) 1.7 Ib/ft (2.5 kglm) 3.7 Ib/ft (5.5 kglm)
0.1 Ib/ft (0.1 kg/m) 0.2 lb/ft (0.3 kg/m) 0.6 Ib/ft (0*9 kdm)
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B.S. 648 : 1964
Pipes (cont) Plastics (cont)
PVC (cont) Cold water supply (cont)
Class D (cont) 3 in (76-2 mm) nom. size 1-3 Ib/ft (1.9 kglm1 4 in (101.6 mm) nom. size 2.2 Ib/ft (3.3 kglm) 6 in (152.4 mm) nom. size 4.8 Ib/ft (7.1 kglm)
Lead (B.S. 602) Pressure
Service pipes above ground 0.5 in (12.7 mm)
nom. int. dia.
0.75 in (19.1 mm)
nom. int. dia.
1 in (25.4 mm)
nom. ìnt. dia. 5.3 i:; Ib/ft (7.9 - 4.0 kglm)
nom. int. dia. 9.3 T :.7 Ib/ft (13.8 - 7.0 kglm)
i 2.5
1 -25 in (3 1.8 mm) + O
Cold water distributing pipes above ground
0.5 in (12.7 mm)
0.75 in (19.1 mm)
1 in (25.4 mm)
1-25 in (31-8 mm)
nom. int. dia. 1.3 lb/ft
nom, int, dia. 1 *7 lb/ft
nom. int. dia. 2.3-2.7 Ib/ft
nom. int. dia. 3.0-4.0 Ib/ft Hot water distributing pipes
above ground 0-5 in (12.7 mm)
0.75 in (19.1 mm)
I in (25.4 mm)
1 -25 in (3 1.8 mm)
nom. ¡nt. dia. 1.3-1 a7 Ib/ft
nom. int. dia. 1 *7-3*3 lb/ft
nom. int. dia. 2.7-6'0 lb/ft
nom. int. dia. 4.0-9-3 Ib/ft
( 1 -9 kglm)
(2.5 kg/m)
(3.4-4.0 kglm)
(4.5-6-0 kg/m)
(1.9-2.5 kg/m)
(2.54.9 kg/m)
(4.0-8.9 kg/m)
25
NOTE. For structural calculation in SI units, attention is drawn 10 N O l E 2 or tho ForeNord.
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B.S. 648 : 1964
Pipes (cont) Lead (cont)
Pressure (cont) Gas pipes
0.375 in (9.5 mm) nom. int. dia.
0.5 in (1 2.7 mm) nom. int. dia.
0.625 in (1 5.9 mm) nom. int. dia.
0.75 in (19.1 mm) nom. int. dia.
1 in (25.4 mm) nom. int. dia.
1.25 in (31.8 mm) nom. int. dia.
1.5 in (38.1 mm) nom. int. dia.
2 in (50.8 mm) nom, int. dia.
0.5 lb/ft
0.7-1.0 Ib/ft
1 4-1 e2 lb/ft
1-3-1 '7 Ib/ft
2.0-2.3 lb/ft
2.3-3.0 lb/R
34-4.0 lb/ft
4 - 0 4 -3 1 b/ft
(0.7 kg/m)
(1 -0-1 -5 kglm)
(1 e5-1.8 kg/m)
(1 -9-2-5 kg/m)
(3.0-3.4 kg/m)
(3.4-4.5 kg/m)
(4*5-6*0 kg/m)
(6.0-7.9 kg/m)
Non-pressure Rainwater, soil, waste and
soil-and-waste ventilating pipes 1-25 in (31-8 mm) nom. int. dia. 2.0 lb/ft (3.0 kg/m) 1 4 in (38.1 mm) nom, ¡nt. dia. 2-3 Ib/ft (3.4 kg/m) 2 in (50.8 mm) nom. int. dia, 3.3 lb/ft (4.9 kg/m) 3 in (76.2 mm) nom. ¡nt. dia. S a 0 lb/ft (7.4 kglm) 4 in (101.6 mm) nom, int. dia. 6.3 lb/ft (9-4 kg/m) 6 in (152.4 mm) nom. int. dia, 11.3 IbFt (16.8 kg/m)
Pitch fibre (complete with couplings)
2 in (50.8 mm) nom. size
3 in (76.2 mm) nom. size
4 in (101 -6 mm) nom. size
5 in (127.0 mm) nom. size
6 in (152-4 mm) nom. size
(min. ¡nt. dia.) 1.2 Ib/ft (1.8 kdm)
(min, int. dia.) 2.0 lb/n (3.0 kg/m)
(min, int. dia.) 2.6 lblft (3.9 kg/m)
(min. int. dia.) 4-3 Ib/ft (6.4 kg/m)
(min, int. dia.) 5.0 Ib/ft (7.4 kglm) ~ _"
26
NOTE. ~~r structural calculation in SI units. attention is drawn to NOTE 2 of the Foreword. -~~ ~
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B.S. 648 1964
P i p (cont) Clay, salt-glazed (B.S. 65 and 540)
3 in (76.2 mm) int. dia. 8 lb/ft (11.9 kgjm) 4 in (101 -6 mm) int. dia. 11 lb/ft (16.4 kglm) 6 in (152.4 mm) ínt. dia. 17 lb/ft (25.3 kg/m) 9 in (228.6 mm) int. dia. 27 lb/ft (40.2’kglm) 12 in (304.8 mm) int. dia. 46 lb/ft (68-5 kg/m)
Concrete Unreinforced or reinforced (B.S. 556)
Spigot and socket 4 in (101.6 mm)
nom. int. dia. 6 in (152.4 mm)
nom. int. dia. 9 in (228.6 mm)
nom. int. dia. 12 in (304.8 mm)
nom, int. dia. 15 in (381.0 mm)
nom. int. dia. 18 in (457.2 mm)
nom. int. dia. 24 in (609.6 mm)
nom. int. día. 30 in (762.0 mm)
nom. int. dia. 36 in (914.4 mm)
nom. ìnt. dia. 48 in (1219 mm)
nom. int. dia. 54 in (1372 mm)
nom. int. dia. 60 in (1524 mm)
nom. int. dia. 72 in (1829 mm)
nom. int. dia.
21-22 Ib/ft (31.3-32.7 kglrn)
28-32 Ib/ft (41-747-6 kglm)
45-50 lb/ft (674-74.4 kglm)
70-78 lb/ft (104.2-116-1 kglm)
35-102 lb/ft (1414-151-8 kg/m)
125-133 lblft (186.0-197-9 k&m)
202-210 lb/ft (300.6-312.5 kg/m)
281-315 lb/ft (418.2-468.8 kg/m)
370-392 lb/ft (550.6-583-4 kglm)
630-644 lb/ft (937.5-958.4 kglm)
785-905 lb/ft f1168-1347 kglm)
925-975 Ib/ft (1377-1451 kglm)
1296 Ib/ft (1929 kg/m) NOTE. For pipes with ogee joints, ¡.e. without a collar, deduct 10 per cent from the above WCightS.
P ! 27
NOTE. For structural calculation in SI units, attention is drawn to NOTE 2 of the Foreword.
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Pipes (cont) Aluminium
Rainwater, with ears (B.S. 2997) 2 in (50.8 mm) nom. ¡nt. dia.
Cast Wrought
Heavy, 0.048 in (18 SWG)
Light, 0.028 in (22 SWG) min. thickness
min. thickness 2.5 in (63.5 mm) nom. int. dia.
Cast Wrought
Heavy, 0.048 in (18 SWG)
Light, 0.028 in (22 SWG) min. thickness
min. thickness 3 in (76.2 mm) nom. int. dia.
Cast Wrought
Heavy, 0.048 in (18 SWG)
Light, 0,028 in (22 SWG) min. thickness
4 in (i01 -6 mm) nom. int. dia.
min, thickness
Cast Wrought
Heavy, 0.048 in (18 SWG) min. thickness
Brass 0.5 in (11.7 mm) outs. dia.
0.064 in (16 SWG) 0 4 3 6 in (20 SWG) 0.027, in (24 SWG)
0.064 in (16 SWG) 0.036 in (20 SWG) 0.029 in (24 SWG)
0.064 in ( I 6 SWG) 0.036 in (20 SWG) 0.022 in (24 SWG)
0.75 in (19.1 mm) outs. dia.
I in (25.4 mm) outs. dia.
28
0.8 lb/ft
0.5 lb/ft
0.3 lb/ft
1 *O lb/ft
0.6 lb/ft
0.4 Ib/ft
1.6 lb/ft
0.7 lb/ft
0.5 lb/ft
1.7 Ib/ft
1 *O Ib/ft
0.3 lb/ft 0-2 lb/ft 0-1 Ib/ft
0.5 lb/ft 0.3 Ib/ft 0-2 Iblft
0.7 Ib/ft 0.4 Ib/ft 0.3 lb/ft
(1.2 kdm)
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Pipes (cont) Brass (cont)
1.25 in (31.8 mm) outs. dia. 0.064 in (16 SWG) 0.036 in (20 SWG) 0.022 in (24 SWG)
0.064 in (16 SWG) 0.036 in (20 SWG) 09022 in (24 SWG)
2 in (50.8 mm) outs. día. 0,064 in (16 SWG) 0.036 in (20 SWG) 0.022 in (24 SWG)
3 in (76.2 mm) outs. dia. 0.064 in (16 SWG) 0-036 in (20 SWG) 0.022 in (24 SWG)
0.064 in (16 SWG) 0.036 in (20 SWG) 0.022 in (24 SWG)
1.5 in (38.1 mm) outs. dia.
4 in (101.6 mm) outs. dia.
Pitchmastic Flooring
1 in (25.4 mm) thick
0.9 lb/ft 0.5 lb/ft 0.3 lb/ft
1 1 lb/ft 0.6 lb/ft 0-4 lb/ft
1.4 lb/ft 0.8 lb/ft 0.5 lb/ft
2.2 lb/ft 1.2 Ib/ft 0.8 lb/ft
2-9 lb/ft 1.7 lb/ft 1 *O lb/ft
11.1 f 1.1 lb/ft
B.S. 648 : 1964
Plaster Gypsum
Two coat, 0.5 in (12.7 mm) thick Normal sanded undercoat and
One coat, 0.2 in (5.1 mm) thick,
Lime (non-hydraulic and hydraulic)
Barium sulphate 0.5 in (12.7 mm) thick Lightweight
neat finishing
neat gypsum
0.5 in (12.7 mm) thick
Perlite aggregate, 2 coat, 0-5 in
Vermiculite aggregate, 2 coat, 0.5 in (12.7 mm) thick
(12.7 mm) thick
29
4.5 Ib/ft2 (22.0 kg/m2)
1.4 Ib/ft2 (6.8 kg/m2)
5.0 Ib/ft2 (24.4 kg/m2) 8.0 Ib/ft2 (39.1 kg/m2)
2*0 Ib/ft2 (9.8 kg/m2)
2.2 Ib/W . (10.7 kg/$) I \
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BSI BS*b4d 6 4 W
B.S. 648 : 1964
Plasterboard, gypsum Solid core
0.375 in (9.5 mm) 0.5 in (12.7 mm) 0175 in (19.1 mm)
0.375 in (9.5 mm) 0.5 in (12.7 mm)
Perforated lath
Plastics Flooring
Flexible PVC 0.062 in (1.6 mm) 0.080 in (2.0 mm) 0.100 in (2.5 mm) 0,125 in (3.2 mm)
0.062 in ( I -6 mm) 0.080 in (2.0 mm) 0.100 in (2.5 mm) 0-125 in (3.2 mm) 0.188 in (4.8 mm)
PVC (Vinyl) asbestos tiles
Flat sheet Acrylic
0.125 in (3.2 mm) 0.25 in (6.4 mm)
0.063 in (1 *6 mm) 0.125 in (3.2 mm)
Synthetic resin bonded paper Melamine faced 0.063 in
(1.6 mm) thick
Allowance for laps)
Cellulose acetate
Corrugated (including
Adit
1.7 lb/ft2 (8.3 kg/m2) 2.3 lb/ft2 (11.2 kg/m2) 3.5 lb/ft2 (17.1 kg/m2)
1.6 lb/ft2 (7.8 kg/m2) 2.2 lb/ft2 (10.7 kg/m2)
0.5 lb/ft2 (2.4 kg/m2) 0.7 Ib/ft2 (3.4 kg/m2) 0.8 lb/ft2 (3.9 kg/m2) 1.0 lb/ft2 (4.9 kg/m2)
0.7 Ib/ft2 (3-4 kg/m2) 0.9 lb/ft2 (4-4 kg/m2) 1.2 Ib/ft2 (5.9 kg/m2) 1.4 lb/ft2 (6.8 kg/m2) 2.1 lb/ft2 (10.3 kg/ma)
0.8 lb/ft2 (3.9 kg/m2) 1.5 lb/ft2 (7.3 kg/m2)
0-4 lb/ft2 (2.0 kg/m2) 0.9 Ib/ft2 (4.4 kg/m2)
04-0.5 Ib/fta (2.0-2.4 kg/m2)
0.9 lb/fta (4.4 k d m 9 Glais-fibre reinforced polyester 0.8 Ib/ft2 (3.9 kam2) PVC 0.8 Ib/ft2 (3.9 kg/m2)
Expanded and foamed Expanded PVC per 1 in
Expanded polystyrene per (25-4 mm) thick 0.3 & 0.2 Ib/ft2 (1.5 f 1.0 kg/m2)
1 in (25.4 mm) thick 0.1 lb/ft2 (0.5 kg/m2)
30
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BSI BS*b48 b 4 m lb24bb7 0018790 L B.S. 648 : 1964
Plastics ( c o d Expanded and foamed (cont)
Foamed polystyrene per
Foamed polyurethane per
Foamed phenolic resin per
1 in (25.4 mm) thick 0.1 0.02 Ib/ft2 (0.5 f 0.1 kg/m2)
1 in (25.4 mm) thick 0-5.f 0.3 Ib/ft2 (2.4 f 1.5 kg/m2)
1 in (25.4 mm) thick 0.3 f 0.1 lb/ft2 (1-5 f 0.5 kg/m2) Domelights
Acrylic 0.188 in (4.8 mm) 1.1 Ib/ft2 (5.4 kg/m2) 0.25 in (6.4 mm) 1.5 lb/ftz (7.3 kg/m2)
Damp-proof course Polythene 0.02 in (0.5 mm) nom.
thickness 0.1 Ib/ft2 (0.5 kg/m2)
Plywood Per mm thick 0.125 f 0.025 Ib/ft2 (0.6 rt 0.1 kg/m2)
Quilt Eelgrass per 1 in (25.4 mm)
Glass fibre per L in (25.4 mm)
Hair per 1 in (25.4 mm) thick 1 f- 0.1 lb/ft2 (4.9 rt 0-5 kg/mz) Kapok per 1 in (25.4 mm) thick 0.1 Ib/ft2 (0.5 ks(m2) . .
Mineral wool per 1 in (25.4 mm) thick 0.7 f 0.3 Ib/ft2 (3-4 :E 1-5 kdrn?)
thick 0.3-0.4 lb/ft2 (1.5-2.0 kg/m2)
thick 0.2 Ib/ft2 (1-0 kg/m2)
Reinforced concrete 150 Ib/ft3 (2403 kt$$)
Rendering Portland cement : sand (1 : 3)
0.5 in (12.7 mm) thick 6.0 Ib/ft2 (29.3 kg/m2)
Rubber Flooring
Sheet or tiles 0.125 in <3*2 mm) 1.1 Ib/ft? (5.4 kg/m2)
' 0.188 in (4.8 mm) 1.7 Ib/ft2 (8.3 kg/m2) 0.25 in (6.4 mm) 2.2 Ib/fts (10.7 kg/m2) 0.375 in (9.5 mm) 3.3 lb/ft3 ( í G I kg/nI2)
0.25 in (6.4 mm) thick 2.6 :C 0.3 lb/ft2 (12.7 f 1.5 kg/m2) Latex-hydraulic cement
31
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Rubber (cont) Cellular
Expanded Light density (max. static load
1.5 Ibf/in3 (0.10 kgf/cma)) per 1 in (25.4 mm) thick 1.1 lb/ft2 (5.4 kg/m2)
load 2 lbf/in2 (0.14 kgf/cm2) per 1 in (25.4 mm) thick 1.6 lb/ft2 (7.8 kg/m2)
7.5 Ibf/in2 (0.53 kgf/cm2)) per 1 in (25.4 mm) thick 2.5 Ib/ft2 (12-2 kg/m2)
Standard density (max. static
Heavy density (max. static load
Expandcd ebonite per I in (25.4 mm) thick 0.4 lb/ft2 (2.0 kg/./m2)
Sand loo f 5 Ib/ft3 ( I 602 f 80 kg/m3)
Screeding Portlend cenient : sand (1 : 3) 0.5 in
( I 2.7 mm) thick
Shingles Cednr wood
Slate Slob (Westmorland, etc.) 1 in
(35.4 mm) thick
Slating (including 3 i n (76.2 mm) lnps and nails)
Thin Thick
Th i II Thick
Cornish Th in Thick
Wclsh
Wcstmorlancl
Soils Non-cohcsivc (or granular)
¡.c. sands and gravels
6 lb/ft2 (29.3 kglm9
1.5 lb/ft2 (7.3 kg/m2)
15 Ib/ftz (73.2 kg/m2)
5 Ib/ft2 (24.4 kg/m2) IO lb/ft2 (48.8 kg/m2)
IO Ib/ft2 (48.8 kg/m2) 16 Ib/ft2 (78.1 kg/m')
6 Ib/ft2 (29.3 kg/m2) IO Ib/ft2 (48.8 kg/m2)
- l.oose 115 i lo lb/ft3 ( 1842 -i. 160 kglm9 Dcnse 130 r.! 10 Ib/ft3 (2082 .1- 160 k g l d
32
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B.S. 648 : 1964
Soils (cont) Cohesive, i.e. silts and clays
Soft 100 f 15 Ib/ft3 (1602 & 240 kg/m3)
stiff 125 f 10 lb/ft3. (2002 f 160 kg/m3) Firm 110 f 10 Ib/ft3 (1762 f 160 kg/m3)
Steel Mild
Solid Sheet
Corrugated (including 20 per cent for laps ‘as laid’) 0.05 in (18 BG)
Flat 0.05 in (18 BG)
Corrugated (including 20 per Protected
cent for laps ‘as laid’) 0.039 in (20 BG)
Flat 0.039 in (20 BG) Cast Fabric
(B.S. 1221, Table 1, Table 2 or Table 4) Oblong Mesh References (B.S. 1221)
101, 201 and 401 103, 203 and 403 106, 206 and 406 108, 208 and 408 109,209 and 409 113
Square mesh References (B.S. 1221)
121, 221 and 421 123,223 and 423 124, 224 and 424 125. 225 and 425
490 lb/ft3 (7849 k%n13)
2.8 Ib]ft2 (13.7 kg/m2) 2.0 Ib/ft2 (9.8 k g i d )
3.2 lb/ft2 (15.6 kg/m2) 2.2 Ib/ft2 (10.7 kg/m2) 490 lb/ft3 (7849 kg/m3)
1.8 Ib/ft2 (8.8 kg/m2) 1 *4 Ib/ft2 (6.8 kg/m2) 0.9 Ib/ft2 (4.4 kg/m2) 0.6 lb/ft2 (2.9 kg/ln2) 0.5 lb/ft2 (2-4 kgIn$) 0.2 Ib/ft2 (9.8 kg/m2)
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Stonework, natural (cont) Limcstone (cont)
Medium, c.g. Portland stone 3 in (76.2 mm) thick 4 in (101.6 mm) thick
0.75 i n (19.1 mm) thick 1.5 in (38.1 mm) thick
Heavy, e.6. marble
Sandstone Light, c.6. Woolton
4 in (101.6 mm) thick 6 i n (152.4 mm) thick
Medium, c.g. Darley Dale 4 in (101.6 mm) thick 6 in (152.4 mm) thick
Hcavy, e.6. Mansfield Red 4 in (101.6 mm) thick 6 in (152.4 mm) thick
Granite Light, e.g. Peterhead
2 in (50.8 mm) thick 3 i n (76.2 mm) thick
2 in (50.8 mm) thick 3 in (76.2 mm) thick
2 in (50.8 n m ) thick 3 in (76.2 mm) Now. For cramps add 5 Ib/ft3
Medium, e+ Cornish
Hcavy, c g . Gucrnscy
140 lb/ft3 (2243 kg/m3) 35 Ib/ft2 (170.9 kg/m2) 47 Ib/ft2 (229.5 kg/m2) 170 Ib/ft3 (2723 kg/m3) 10.5 lb/ft2 (51.3 kg/m2) 21 lb/ft2 (102-5 kg/m2)
137 lb/ft3 (21 95 kg/m3) 46 lb/ft2 (224.6 kg/m2) 69 Ib/ft2 (336.9 kg/m2) 145 lb/ft3 (2323 kg/m3) 48 lb/ft2 (234.4 kg/m2) 73 Ib/ft2 (356.4 kg/m2) 150 lb/ft3 (2403 kg/m3) 50 Ib/ft2 (244.1 kg/m2) 75 lb/ft2 (366.2 kg/m2)
162 Ib/ft3 (2595 kg/m3) 27 Ib/ft2 (1314 kg/m2) 40 Ib/ft2 (195.3 kg/m2) 165 Ib/ft3 (2643 kg/m3) 28 Ib/ft2 (136.7 kg/m2) 41 lb/ft2 (200.2 kg/m2) 183 lb/ft3 (2931 kg/m3) 30 Ib/ft2 (146.5 kg/m2) 46 Ib/ft2 (224.6 kg/m2) (80.1 kg/m3)
Straw slab, compressed Per 1 in (25.4 mm) thick 2.0 i- 0.2 Ib/ft2 (9.8 f 1.0 kp/m2)
Roads and footpaths 1 in (25.4 mm) Tarmacadam
thick 12 lb/ft2 (58.6 kg/m2) Terra cotta, solid 132 lh/ft3 (21 14 kglm9 Terrazzo
Paving 0.625 i n ( 1 5.9 mm) 6.7 f 0.7 Ib/ft2 (32.7 5 3-4 kg/ni2) Tilcs
1 in (25.4 mm) 10 i 1.0 lb/ft2 (48.8 4.9 kg/m2) Partitions
1.5 i n (38-1 mm) 16.7 f 1.7 Ib/ft2 (81tF + 8.3 ke/m2)
34
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(101.6 mm) gauge 13.0 Ib/ft2
(101.6 mm) gauge 14.5 lb/ft2 Hand made, 4 in
Single lap (interlocking) 8 f 1 Ib/ft2
Slate aggregate 12 in Concrete
(304.8 mm) gauge 9.0 lb/ft2
35
B S I BS*b48 b4 Lb24bb9 0038774 7
Thatching Reed (including battens) 1 ft
(304.8 mm) thick .
Thermal capacity roof coverings Shingle and felspar
Per 1 in (25.4 mm) thick
Tiling, floor Asphalt 0.125 in (3.2 mm) thick Clay
0.5 in (12.7 mm) thick 0.875 in (22.2 mm) thick
0'25 in (6.4 mm) thick
0-125 in (3.2 mm) thick
0.062 in (1 -6 mm) thick 0.080 in (2.0 mm) thick 0.1 in (2.5 mm) thick 0.125 in (3.2 mm) thick
0.062 in (1 -6 mm) thick 0-080 in (2-0 mm) thick 0.1 in (2.5 mm) thick 0.125 in (3.2 mm) thick 0.188 in (4.8 mm) thick
Cork compressed
Hardboard faced, bitumen based
PVC flexible
PVC (vinyl) asbestos
Concrete 0.625 in (15.9 mm) thick
Tiling, roof Clay
Plain Machine made, 4 in
8.5 Ib/ft2
7.5 lb/ft2
1.3 lb/ft2
5.6 Ib/ft2 9.2 Ib/ft2
0.5 Ib/ft2
0.8 lb/ft2
0.5 Ib/ft2 0.7 lb/ft2 0.8 Ib/ft2 1 *O Ib/ft2
0.7 lb/ft2 0.9 lb/ft2 1 *2 lb/ft2 1 -4 lb/ft2 2.1 lb/ft2 7.8 Ib/ft2
B.S. 648 : 1964
(36.6 kg/m2)
(6.3 kg/m2)
(27.3 kghn2) (44.9 kg[m2)
.
(2.4 kg/m2)
(3.9 kg/m2)
(3-4 kg/m2) (4.4 kg/m2) (5.9 kg/m2) (6.8 kdm?) (10-3 kg/niL) (38.1 kg/m2)
(70.8 kg/m2) (39.1 .f 4.9 kg/m2)
NOTE. Forstructural calculation-in SI unils,oltcnlion is drawn lo NOTE2 of the Farcword.
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B.S. 648 : 1964
Tiling, roof (cont) Concrete (cont)
Stone aggregate Plain, 3 in (76.2 mm) gauge 19.0 Ib/ft2 (92.8 kg/m2)
4 in (101.6 mm) gauge 14.0 Ib/ft2 (68.4 kglm2) 4 4 in (114.3 mm) gauge 12.5 lb/ft2 (61.0 kglm9
Interlocking (single lap) 10 f 1 4 lb/ft2 (48.8 k 7.3 kg/m2)
Tiling, wall Clay 0.375 in (9.5 mm) thick 4.0 lb/ft2 (19.5 kg/m2) Fibre, acoustic 0.75 in
Plastics (19.1 mm) thick 1.1 lb/ft2 (5.4 kg/m2)
Polystyrene Dense 0,070 in (1.8 mm)
(B.S. 2552) 0.4 lb/ft2 (2.0 kg/m2) Expanded 0.188 in (4.8 mm) 0.4 lb/ft2 (2.0 kglm9
PVC 0.060 in (1 e 5 mm) 0-7 Ib/ft2 (3.4 kg/m2)
Timber Softwoods, e.g. pine, spruce,
Douglas fir 30 " lb/ft3 (480.6 - 32,0 kg/m3) Pitchpine, longleaf dense 42 lb/ft3 (672.8 kg/m3)
+ 112.1 - 2
Hardwoods, e.g. Burma teak, oak, maple 45 lb/ft3 (720.8 - kg/m3)
+ 528.6
Vermiculite Exfoliated
Fine aggregate for plaster 8-10 lb/ft3 (128.1-160.2 kg/m3) Coarse aggregate for plaster 5.5-7 lb/ft3 (88.1-112.1 kg/rns> Fine aggregate for concrete 4.5-5.5 lb/ft3 (72.1-88-1 kglm3) Coarse aggregate for concrete
and loose fill 4-5 lb/ft3 (64.1-80.1 kg/m3) Crude 36-55 Ib/ft3 (576.7-881.0 kg/m3)
Water 1 in (25.4 mm) deep (e+ for ponding 5-2 Ib/ft2 (25.4 kg/m2)
on roofs, etc.)
(e.g. for concrete mix calculations and weights in tanks, etc,) 62.4 lb/ft3 (lo00 kg/m3)
36
NÓTE. For structural calculation in SI units, attention is drawn to NOTE 2 of the Foreword.
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Water (cont) 1 in2 (645 mm2) cross-sectional area
(e.g. for calculations on weights in service pipes, etc.)
Weather boarding 0.75 in (19-1 mm) 1 in (25.4 mm)
Wood floors, strip Softwood
0.875 in (22-2 mm) 1.125 in (28.6 mm)
0.875 in (22.2 mm) 1.125 in (28.6 mm)
0.875 in (22-2 mm) 1.125 in (28.6 mm)
Pitchpine
Hardwood
NOTE. All thicknesses are ‘finished thicknesses’.
Wood floors, block (including mastic)
0.875 in (22.2 mm) 1.125 in (28.6 mm)
0.875 in (22-2 mm) 1.125 in (28.6 mm)
0.875 in (22.2 mm) 1.125 in (28.6 mm)
Softwood
Pitchpine
Hardwood
Wood chipboard Uniform
0-5 in (12.7 mm) 0.75 in (19.lmm)
Three-layer boards Light
0.5 in (12.7 mm) 0.75 in (19.1 mm)
0.5 in (12.7 mm) 0.75 in (19.1 mm)
Heavy
37
B.S. 648 : 1964
As altcrcd Oc:. I969
0.43 lblft (0.64 kglm)
1.5 Ib/ft2 (7.3 kg/m2) 1.8 Ib/ft2 (8.8 kg/m2)
2.3 Ib/ft2 (1 1.2 kg/m2) 2.8 lb/ft2 (1 3 -7 kg/m2)
3.1 lb/ft2 (15.1 kg/m2) 3.9 lb/ft2 (19.0 kg/m2)
3.3 Ib/ft2 (16.1 kg/m2) 4.3 Ib/ft2 (21.0 kg/m2)
2.6 lb/ft2 (12.7 kg/m2) 3.1 lb/ft2 (15.1 kg/m2)
3.4 Ib/ft2 (16.6 kg/m2) 4.2 lb/ft2 (20.5 kg/m2)
3.6 Ib/ft2 (17.6 kg/m2) 4.6 lb/ft2 (22.5 kg/m2)
2 lb/ft2 (9.8 @/m2) 3 lb/ft2 , (14.6 kg/m2)
1.5 Ib/ft2 (7.3 kg/m2) 2 lb/ft2 (9.8 .kg/m2)
2 lb/ft2 (9.8 kg/mz) 3 lb/ft2 (14.6 kg/m2)
/ 3
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Wood wool Slabs, 36 lb/ft3 (576.7 kg/m3) per
1 in (25.4 mm) thick 3 lb/ft2 (14.6 kg/m2)
Solid 446 lb/ft3 (7144 kgIrna) Sheet @.S: 849)
0.025 in (No, 12 zinc gauge) 0.9 lb/fta (4.4 kg/ma) 0.031 in (No. 14 zinc gauge) 1.2 lb/ft2 (5.9 kg/m2) 0.041 in (No. 16 zinc gauge) 1.6 Ib/ft2 (7.8 kg/m2)
zinc
38
.NOTE. For slruclural calculation in SI units, attention is drawn to NOTE 2 of the Foreword.
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BSI B S X b 4 8 b 4 m 3624bb7 0038778 b m
I
86
8 8
O C - N M M d o m
~
we- 3 g O 0
o w
o 0 __
¿5$ 0-1 "
O 0
e - r l *(D O d
O 0
c o m e-d O N
O 0
N d m@J O M
O 0
oe- G3N o m
O 0
C O P - w N O P -
O 0
a o P - M o m O 0
e-* (DM 0 4
O 0
Nt- m13 O M
O 0
O 0
O + ~.
0-1 __
O" -
O + ___
0-1 -"
0 9 .
O N ".
ocu "
4 s O T O 0 "
.S E E
B.S. 648 : 1964
~
39
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B.S. 648 ; 1964
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0.004 0.006 1 0.1524 I 14 0.1016 13
0.007 0.1778 15
0.008 0-2032 16 0.010 0.2540 0.011 1 0.2794 I 0.013 0-3302 19 0.015 0.3810 20 0.017 1 0.4318 I 21 0.019 0.4826 0.022 I 0.5588 I 0.025 0.6350
41
Thickness
in
0.028 0.031 0.036
0.041 0.046 0.051
0.057 0.063 0.070
m m
0.7112 0.7874 0.9144
1.0414 1.1684 1-2954
1.4478 1.6002 1.7780
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B.S. 648 : 1964
INDEX
Acoustic. fibrebuildingboard 13 Page . . .
Acoustic. fibre. wall tiling . . . . 36 Acoustic insulation. glass fibre . . . 15 Acrylic domelights . . . . . . 31 Acrylic sheet. corrugated . . . . 30 Acrylic sheet. flat . . . . . . 30 Aerated concrete . . . . . . 12
all-in . . . . . . . . . 7 ballast . . . . . . . . . 7
clinker. 6. 7 barytes 6. 7
coarse . . . . . . . . . 6
expanded clay 6. 7 combined 7
fine . . . . . . . . . 6 . 7 foamed slag . . . . . . . 6. 7 heavyweight . . . . . . . 6. 7 ilmenite . . . . . . . . 6. 7 lightweight . . . . . . . 6. 7 magnetite . . . . . . . . 6. 7 natural . . . . . . . . 6
Aerated concrete blockwork. walling . 10 Aggregates
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
b
. . . . . . sand 6 normal weight 6
sintered pulverized-fuel ash . . . 6.7
'All-in' ballast aggregates I . I 7 steelshot 6. 7
Aluminium
. . . . . . . . . . . . . . . . .
cast . . . . . . . . . 7
sheet. corrugated 7 wrought forms 7
Aluminium faced plywood 19 sheet. flat 7
. . . . . . . . . . . . . . . . . . . . . . . Aluminium gutters . . . . . i6. 17 Aluminium pipes. rainwater . . . 28 Armourcd plate glass . . . . . 15 Asbestos
felt . . . . . . . . . 7
Asbestos based bitumen damp-proof 8 fibres. sprayed 7
Asbestos base and lead bitumen damp-
Asbestos base. bitumen. roofing felts
. . . . . . courses . . . . . . . . proofcourses . . . . . . . 8
mineral surfaced . . . . . . 9 saturated . . . . . . . . 9 self-finished . . . . . . . 9
sheeting. corrugated . . . . . 7. 8 sheeting. flat . . . . . . . 7 wallboard . . . . . . . . 7
Asbestos cement gutters . . . . 16 Asbestos cement pipes . . . . 20. 21
Asbestos cement
Page Asphalt
damp-proofing . . . . . . 8 flooring . . . . . . . 8
roads 8 footpaths 8
roofing . . . . . . . . 8 Asphalt floor tiling . . . . . . 35
. . . . . . . . . . . . . . . . .
Ballast. 'all-in' aggregate . . . . 7 Ballast and stone aggregate concrete
Barium sulphate plaster 29 blockwork 10
Barytes. aggregate . . . . . . 6. 7 Barytes. concrete . . . . . . 12 Bathstonework . . . . . . . 33 Battenboard . . . . . . . . 11 Battens. slating and tiling . . . . 8 Birmingham gauges . . . . . . 40
tiling . . . . . . . . . 35
asbestos based . . . . . . 8 asbestos baseand lead . . . . 8 fibre felt . . . . . . . . 8 fibre felt and lead . . . . . . 8
. . . . . . . . . . . .
Bitumen based. hardboard faced. floor
Bitumen damp-proof courses
. . . . . . . . . . . . hessian baseand lead 8 hessian base 8
Bitumen roofing felts. asbestos base mineral surfaced . . . . . . 9 saturated . . . . . . . . 9 self-finished . . . . . . . 9
coated and sanded bitumen . . . 9 mineral surfaced bitumen . . . 9 reinforced bitumen . . . . . 9 sanded bitumen . . . . . . 8 sanded fluxed pitch . . . . . 9 saturated bitumen . . . . . 8
self-finished bitumen . . . . . 9
mineral surfaced . . . . . . 9
sarking . . . . . . . . 9
Bitumen roofing felts. fibre base
saturated fluxed pitch . I . . 9
Bitumen roofing felts. glass fibre base
Bitumen roofing felts. impregnated flax. black
sheathing 9
brown
sheathing 9 inodorous 9
. . . . . . . . Bitumenroofing felt. impregnated flax.
. . . . . . . . . . . . . . . Bitumen roofing felt. impregnated hair
black sheathing . . . . . . 9 brown bituminous . . . . . 10
42
.----"
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Black sarking. impregnated flax. bitu- Page
Black sheathing. impregnated . flax. men roofing felt 9
Black sheathing. impregnated hair. bitumen roofing felt 9
bitumen roofing felt . . . . . 9 Blockboard . . . . . . . . 11 Blocks. glass. hollow . . . . . IS Blockwork. walling. clay
hollow . . . . . . . . 10 perforated IO
aerated . . . . . . . . IO ballast and stone aggregate . . IO cellular . . . . . . . . IO diatomaceous earth . . . . . 11 hollow . . . . . . . . . 10 lightweight aggregate . . . . 10 organicaggregate . . . . . . 10
Board. cork i2. 13 solid 10
Board. laminated . . . . . . 11 Boards. fibre. building
acoustic . . . . . . . . 13 hardboard . . . . . . . 13 insulating . . . . . . . . 13 laminated . . . . . . . . 13
Boarding. weather . . . . . . 37 Brass . . . . . . . . . 11 Brass pipes . . . . . . . 28. 29 Brickaggregateconcrete . . . . 12 Brickwork. clay
perforated . . . . . . . . 11
Brickwork concrete 11 solid 11
Brickwork. lightweightlflue. diatoma- ceous earth . . . . . . . 11
Brickwork. calcium silicate (sandlime and flintlime) . . . . . . . 1 1
Bronze.phosphor. wrought . . . 12 Brown bituminous. impregnated hair.
Building board. fibre bitumen roofing felt IO
hardboard 13 acoustic 13
insulating . . . . . . . 13 laminated . . . . . . . i l . 13
Burma teak' . . . . . . . . 36
. . . . . . . . . . .
. . . . . . . . Blockwork. walling. concrete
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
Calcium silicate (sandlime and flint- lime) brickwork . . . . . . 11
Carpet . . . . . . . . . 12 Cast aluminium . . . . . . . 7 Cast copper . . . . . . . . 12 Cast glass . . . . . . . . 15 Cast iron . . . . . . . . . 17 Cast iron gutters . . . . . . 16
B.S. 648 : 1964
Page Cast iron pavement lights. glazed . . 19 Cast iron pipes . . . . . . 19. 20 Cast lead . . . . . . . . . 18 Cast magnesium alloys . . . . . 18 Cast steel . . . . . . . . . 33
Cedar wood shingles 32 Cast stone 12
Celluloseacetate. flat sheet . . . 30 Cellular blockwork. walling. concrete . IO Cellularrubber . . . . . . . 32 Cellulose acefate sheet . . . . . 30 Cement . . . : . . . . . I2 Cement. Portland. rendering . . . 31 Cement. Portland. screeding . . . 32
three-layer . . . . . . . 37
Clay blocks. hollow. floors 14 uniform 37
Clay. blockwork. walling hollow . . . . . . . . . Iö perforated . . . . . . . . 10
Clay brickwork . . . . . . . 11
Clay lathing . . . . . . . . 18
Clay tiling. roof. . . . . . . 35 Clay tiling. wall . . . . . . . . . . 36 Clay tiling. floor . . . . . . 35 Clinker aggregates . . . . . . 6.7 Coarse aggregates . . . . . . Coated and sanded. fibre base. bitu-
6 -
men roofing felt . . . . . . 9 Combined aggregates . . . . . 7 Compressed cork floor tiling . . . 35 Compressedstraw slab . . . . . 34
aerated . . . . . . . . 12 barytes . . . . . . . . . 12 brick aggregate . . . . . . 12 diatomaceousearth . . . . . 12 heavyweight aggregates . . . . 12 ilmenite . . . . . . . . 12 lightweight aggregates . . . . 12 magnetite . . . . . . . . 12 naturalaggregates . . . . . 12
organic aggregate 12 no-fines 12
steel shot . . . . . . . . 12
aerated . . . . . . . . IO ballast and stone aggregate . . . IO cellular . . . . . . . . 10 diatomaceous earth . . . . . I I hollow . . . . . . . . . IO lightweight aggregate . . . . IO
. . . . . . . . . . . . . .
Chipboard. wood
. . . . . . . . . . . .
Clay. expanded. aggregates . . . 6. 7
Clay. pipes. salt-glazed . . . . . ..27
Concrete
. . . . . . . . . . . . . . Concrete. blockwork. walling
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B.S. 648 : 1964
Page Page
organic aggregate . . . . . . 10 . . . . . . . . . solid 10
lathing 18
Concretc. brickwork 11 Expanded plastics plastering 13
Concrete flagstones . . . . . . 13 polystyrene . . . . . . . 30
Concrete gutters. precast . . . . 17 Expanded' rubber . . . . . . 32 C30
Concrete pipes . . . . . . . 27
Concrete. reinforced. pavement lights. Concrete. reinforced 31 Fabric. steel . 33
glazed 19 Felspar. thermai capacity roof cover- Concrete reinforcement. expanded ing 35
metal. steel 13 Felt. asbestos 7 Concrete tiling. floor 35 Felt. roofing. bitumen. asbestos base Concrete tiling. roof 35. 36 mineral surfaced 9 Concrete units. hollow. floors 14 saturated 9 Copper self-finished 9
cast 12 sheet and strid 12 coated and sanded 9 wrought 12 mineral surfaced 9
Copper pipes 2 1 . 22 sanded 8 Cork sanded fluxed pitch 9
board 12. 13 saturated 8
flooring 13 saturatedfluxed pitch 9 granular 12 self-finished 9
Cork. compressed. floor tiling 35 reinforced 9 Cornish granite . . . 34 Felt. roofing. bitumen. glass fibre base. Cornish slating 32 mineralsurfaced IO Corrugated al,,,,, sheet . . . Felt. roofing. bitumen. impregnated Corrugatcd asbestos cement sheeting . 7. 8 flax. black Corrugated plastics sheet sarking 9
acrylic . . . . . . . . 30 sheating 9
PVC 30 flax. brown Corrugated sreelsheet 33 inodorous 9 Crudc vermiculite . . . . . . 36 sheathing 9
Damp-proof coursc. plastics. poly- hair
thcnc 31 black sheathing 9 brown bituminous . . . . . 10
Damp.proofcourscs. bitumen . . . 8 ~ ~ 1 ~ . insulating . . . . . . . 13 Damwrooling. asphalt . . . . 8 Fibre. acoustic. wall tiling . . . . 36
Diatomaccous carth concrete . . . 12 acoustic . . . . . . . . Diiltomaccous carth concrete block-
13 hardboard . . . . . . . 13
work. lightwcight/flue brickwork . I I . . . . . . . . Domclights. plastics 31
laminated 13
1)ouglas fir . . . . . . . . Fibre felt and iead. &tumen damp- insulating . 13
Drain pipcs . . . . . 20.21,26,27 proof course . . . . . . . 8 Fibre felt. bitumen damp-proof course 8
Ebonite. expanded . . . . . . 32 Fibre. glass Eelgrassquilt . . . . . . . . 31 acoustic insulation . . . . . 15 Eafolinlcd vermiculite . . . . . 36 . . . . . . .
roof board 15 formboard 15
Expnnded chonite 32 Exp;tndcd clay aggregates 6. 7 . . . . . . slab . . . . . . . . . 15 Expondcd mctal. steel thcrmal insulation . . . . . 15
concrctc rcinforccrnent . . . . 13 Fibre. glass. reinforced polyester sheet. general purposes . . . . . . 13 corrugated . . . . . . . 30
. . . . . . . . . . . . . . . . . . . . . . Concrete floor tiling . . . . . 35 PVC . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Felt. roofing. bitumen. fibre base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . glass-fibre reiniorccd polyester . . 30 roofing* impregnated . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Felt. roofing. bitumen. impregnated
. . . . . . . . . . . . . . . .
I)al'k!y Dale stoncwork . . . . . 34 Fibre. building board
. . . . . . . . .
. . . . . . . . . . .
44 z_q____
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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I . -.o-
Fibre. glass. quilt . . . . . . 31 Glass
S . . . . . . . 6.7 cast . . . . . . . . . 15 Fir. DÖÜgläs . . . . . . . . 36 plate . . . . . . . . . 15 Flagstones sheet . . . . . . . . . 15
concrete . . . . . . . . 13 wired cast . . . . . . . . 15 natural stone . . . . . . . 14 Glass blocks. hollow . . . . . 15
Flexible PVCflooring . . . . . 30 Glass fibre Flintlime brickwork . . . . . 11 acoustic insulation . . . . . 15 Floors . . . . . . .
hollow clay blocks . . . . . 14 roofboard . . . . . . . 15 formboard 15
hollow concrete units . . . . 14 slab . . . . . . . . . 15
Fibres. sprayed. asbestos . . . . 7 armouredplate . . . . . . 15
. . . . . . . . . . . . . . . . . I
. . . . . . . . hardwnnd mineral surfaced 10
. . . . . . . . . . . . . . . . . . . I strip 37 corrugated 30 19
asphalt . . . . . . . . 35 Glazing. patent clay 35 aluminium bars IS concrete 35 lead covered steel bars 15
Granitestonework . . . . . . 34
. . . . . Floor tiling Glazed pavement lights . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .,J . . . . . 35 Guernsey granitestonework . . . 34
ilnnrin- . . . . . . . . aluminium 16, 17 asbestoscement 16
. . . arnhrrlt .8, 35 Gunmetal . . . . . . . . 15 ....... . . . . . . 13.35 Gutters
flexible PVC 30 cast iron . . . . . . . . . . 16 pitchmastic 29
30 . . . . . . . . . . . . . . . . .
. . . . . . . plastics . . . . . . . . 16 precast concrete . . . . . . 17
beet 31 Gypsum plaster 29 Gypsum panels and partitions 17
. . . . . . . . . . . . . . . . . 31 tiles 31 Gypsum plasterboard 30
:lue lightweight, brickwork diatom- Hair, impregnated, bitumcn roofing . . . . . . . felt Flue pipes 20
ceousearth I I . . . . . . . . black sheathing . . . . . . 9
Fluxed pitch roofing feIts, fibre base brown bituminous . . . . . 10 . 31
L"" ....e, . YUUIl . . . l.t.v-h..rl.. . .I .. --."-L . . . . . . . . . . . . . . .
saturated . . . . . , . . 9 Hair quilt . . . . . sanded 9 Hardboard faced, bitumcn bascd floor . . . . . . . .
Fnamd nlactirc tiling . . . . . . . .
. . . . . . . polbrkhane 3 I block . . . . . . . . . 37
Foamed slag aggregates 6, 7 strip . . . . . . . . . 37 . . . . . . .
. . . . S, asphalt 8 . . . . . . . . Hardwoods 36 . . . . . .
. . . Y A Heawweicht accrccatcs
P..l A .̂"l A- ....... proof course . . . . . . . 8 aced P*Ywood 9 . 19 Hcssian base bitumcn damn-nroof
standard wire . . . . . . . 39 clay 10 Zinc . . . . . . . . . 41 concrete 10
. . . . . . . . . . . . . . . . .
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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B.S. 648 : 1964
Hollow clay block floors . . . . 14 Page
Hollow concrete unit floors , . . 14 llollow glass blocks. , , . . . 15 ~lytlr;luliclimcplaster . , . . . 29
Ilmenite cnncrcte . , . . . . 12 Ilmcnitc aggrcgatcs . . , . . , 6,7
Impregnated flax, bitumen roofing felts black roofing . . . . . . . 9 block sheathing . . . . . . 9 brown inotlorous. . . . . . 9
sarking . . . . . . . 9 brown sheathing . . . . . . 9
bleck sllcnthing . . . . . . 9 brown bituminous . . . . . 10
Innclorous, brown, impregnated flax, hi tmen roofing felt . . . . . 9
1nsul:ltinR boords, libre building . . 13
Iron Insul:lting M t . . . . . . . 13
C:lFt . , . > . . . . . 17 wrought . , . . . . . . 17
Kapok quilt . . . , . , . , 31
Laminatcd board . . . . . . 11 l.omin:ltcd, (ihre building . . . . 13 L.:wninhoard . . . . . . . . 11 Lath, pcrforatcd, gypsum plasterboard 30 Lathing
clay . , , . . , . . . 18 cxpantlcd metal, steel . . . . 18 rihhctl perforated metal sheet . . 18
L a t n hydraulic ccnwnt flooring . . 3 1 \ \ o o t l . . . . . . . . 17
L,c;ltI,cast . . . . . . . . 18 t .c ;~d pipe< . . . . . . . 25,26 I,ci~d$ S I I C C ~ , , . . . . . 18
1mpregn:lted hair. bitumen roofing felt
I.i~ht\vcight aggrcgatcs. . . . . 6.7 Lightwright n!:grcg;ctcs concrete . . 12 1.ightwight oggrcg;ctcs concrete block-
Light\veight flue, diatomaccous earth, work . , , . . . . . . 10
Light\\-cigltt plaster. . . . . . 29 brickwork , , , . . . . 11
1.imc plaster . . . . . . . 29 Limcstol~c,stonework . . . . i3,34 I.inolclllll * . * , * . * : 18
. . . , 18 , . . . I 8 . . . . 18 . . . . I R . . . . 6.7 . . . . 12 . . . . 34 . . . . 36
Marblestonework . . . . . . 34 Page
Metal, expanded, steel concrete reinlbrcement . . , . 13 general purposes . . . . . . 13 plastering . . . . . . . . 13
Mild steel , . , . . , . . 33 Metal faced plywood . . . . . 19
Mild steel sheet corrugated . . . . . . . 33 flat . . . . . . . . 33
Mineral surfaced. asbestos base, bitu- men roofing felt . . . , . . 9
Mineral surfaced, fibre base, bitumen roofing felt . . . . . . . S
Mineral surfaced, glass fibre base, bit- umen roofing felt, . . . . . 10
Mineral wool quilt , . . . . . 31
Natural aggregates . . . . . . 6,7 Natural aggregates concrete . . . 12
Normal weight aggregates . . . . 6 No-fines concrete . . . . I . 12
Organicaggregatesconcrete . . . 12 Oak . . . . . . . . . . 36
Organic aggregates concrete block-
Oxychloride, magnesium . . . . 18 work . , . . . . . . . IO
Panels, gypsum . . . . . . . Partitions, gypsum . . . . . . Partitions, terrazzo . . . . . . Pavement lights, glazed. . . . . Paving, terrazzo. . . . . . . Patent glazing
aluminium bars . . . . . . lead-covered stccl bars . . . .
Peat organic aggregate concrete block- work, walling. . . . . . .
Perforated blockwork, clay . . Perforated lath, gypsum plasterboard. Perforated brickwork, clay. . . . Perlite aggregate plaster . . . . Peterhead granite stonework . . . Phenolic resin, foamed . . . . . Phosphor bronze, wrought . . . Pine . , . . . . . . . .
17 17
34 19 34
15 15
IO 10 I I 30 29 34 31
36 12
Pipes
aluminium . , . . . . . 28 asbestos cement . . . . . 20,21
cast iron . . , . . . I 19,20 brass , . . . . . . 28,?9
clay, salt-glazed . . . . . . 27 " concrete . . . . . . . . 2 J copper . . . . . . . 21,22 drain . . , . . . 20,21,26,27 ~~
flue. . . . * . * . . 20 gas . . . . . . . . 22,26
46
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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Page lead . . . . . . . . 26 pitch fibre . . . 26
polythene . plastics : i3.i4. 25 . . 23. 24 pressure . i1.;2. i3.;4.25. i6.28. 29 PVC . . . . . . 24. 25 rainwater . . . . i9. io. 24.26. 28 sewer . . . . . . . 21.26. 27 smoke . . . . . . 20 soil . . . . . . . iO,il . i2,26 steel . . . . . . 22 ventilating . . . . . io. 21. i2. 26 waste . . . . . 20.21.22.26 water . . . . . i l . 22.23.24. 25
Pitch fibre p i p . . . . . . . 26 Pitchmastic flooring . . . . . 29 Pitchpine. longleaf dense . . . . 36 Pitchpine floors
block . . . . . . . . . 37 strip . . . . . . . . . 37
bariumsulphate . . . . . . 29 gypsum . . . . . . . . 29 lightweight . . . . . . . 29
perliteaggregate 29 lime 29
Plasterboard. gypsum 30 vermiculite aggregate 29
Plastics corrugated . . . . . . . 30 damp-proofcourse . . . . . 31 domelights . . . . . . . 31 expanded . . . . . . . . 30 flooring . . . . . . . . 30
sheet. flat 30 foamed 31
Plastics gutters tiles 30 . . . . . 16
Plasticspipes . . . . . 23.24. 25 Plastics. tiling. floor
PVCflexible . . . . . . . 35 PVC(Viny1) asbestos 35
polystyrene . . . . . . . 36 PVC . . . . . . . . . 36
Plate glass . . . . . . . . 15 Plywood . . . . . . . . 3 1
metal faced. aluminium . . . . 19 metal faced. steel. galvanized . . 19
expanded . . . . . . . . 30
Polystyrene tiling. wall 36 foamed 31
Polythene pipes . . . . . . 23. 24 Polyurethane. foamed . . . . . 31 Portland cement rendering . . . . 31 Portlandcement screeding . . . . 32
. . . . .
Plaster
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . Plastics. tiling. wall
Polystyrene
. . . . . . . . . . . . .
B.S. 648 : 1964
Portlandstonework . . . . . Precast concretegutters . . . Protected steel
corrugated . . . . . . flat . . . . . . . .
PVC expanded PVCflooring. flexible . . . . PVC flooring (vinyl). asbestos tiles PVCpipes . . . . . . PVC (Vinyl) asbestos t i i s . . . PVCtiling. wall . . . . . .
. . . . . .
Page . 34
17
. 33 . 33 . 30 . 30
24. 25 . 30
. 30 . 36
Quilt eelgrass . . . . . . . . 31 glass fibre . . . . . . . . 15 hau . . . . . . . . . 31
mineral wool 31 kapok 31
Rainwater pipes . . . 19.20.24.26. 28
Reinforced concrete 31 Reaí thatching 35
Reinforced concrete pavement lights.
Reinforced concrete pipes 27 glazed 19
Reinforced. fibre based. bitumen roof- ing felt . . . . . . . . . 9
Reinforcement. concret. expanded metal. steel . . . . . . . 13
Rendering. Portland cement . . 31 Ribbed perforated metal sheet lathing 18 Roads. asphalt . . . . . . . 8 Roads. tarmacadam . . . . . 34 Roofboard . glass fibre . . . . . 15 Roof tiling
concrete i5. 36 clay 35
Roofing. asphalt . . . . . . 8 Roofing fdt. bitumen. asbestos base
minerálsurfaced . . . . . . 9 saturated . . . . . . . . 9 self-finished . . . . . . . 9
coated and sanded . . . . . 9 mineralsurfaced . . . . . . 9 reinforced . . . . . . . 9 sanded . . . . . . a sandedfl&edpitch . . . . . 9 saturated . . . . . . . . . 8 saturated fluxed pitch . . . . 9
Roofing felt. bitumen. glass fibre base 10 self-finished 9
Roofing felt. bitumen . impregnated
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .
. . . . . . . . . . . . . . .
Roofing felt. bitumen. fibre base
. . . . . . .
flax. black sarking . . . . . . . . 9 . . . . . . . . . sheathing 9
flax. brown Roofing felt. bitumen. impregnated
47 r I
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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. ~~ . ~ ”“ ~ ~ ..____i_
B S I B S * b 4 8 bLl W l b 2 L l b b 7 OOl17007 L W
B.S. 648 : 1964
Page inodorous . . . . . . . 9 sheathing 9
hair . . . . . . .9. 10 brown bituminous . . . . . 10
. . . . . . . . Roofing felt. bitumen. impregnated
black&ea;hing . . . . . . 9 Rubber
cdIu1.8r . . . . . . . . 32 exvanded . . . . . . . . 32
Rubber flooring latex-hydrauliccement . . . . 31 sheet . . . . . . . . . 31 tiles . . . . . . . . . 31
Salt-glazed clay pipes . . . . . 27 Sand . . . . . . . . . 6 Sands . . . . . . . . . . 32 Sand lime brickwork . . . . . 11 Sanded. fibre base. bitumen roofing
felt Sanded & x e d p h i . fibre’baie. bitu-
- 8
Sandstone work 34 men roofing felt 9
Sarking. black. impregnated flax.
Saturated. asbestos based. bitumen
Saturated. fibre base. bitumen roofing
Saturated fluxed pitch. fibre base. bit-
Sawdust organic aggregate. concrete
. . . . . . . . . . . . . bitumen roofing felt . . . . . 9 roofing felt . . . . . . . 9 felt . . . . . . . . . 8
umen roofing felt . . . . . . 9 blockwork. walling . . . . . 10
Screeding. Portlandcement . . . 32 Se1f.finished. asbestos base. bitumen
Self.finished. fibre base. bitumen roof- . . . . . . . roofing felt 9
ingfelt . . . . . . 9 Sewerpipcs . . . . . . 21.26. 27 Sheathing. black. impregnated flax.
Sheathing. brown. impregnated flax. bitumen roofing felt 9
Sheet. aluminium. corrugated 7 bitumen roofing felt 9
. . . . .
. . . . . . . . Sheet. aluminium. flat . . . . . 7 Sheet copper. . . . . . . . 12 Sheet. glass . . . . . . . . 15
Birmingham . . . . . . . 40 Standard wire . . . . . . . 39
Sheet. lead 18 Zinc - 4 1
Sheet. magnesiumalloys . . . . 18 Sheet.rubber. flooring . . . . . 31
corrugated . . . . . . . 33 flat . . . . . . . . . 33
Sheet gauges
. . . . . . . . . . . . . . .
Sheet steel
Sheeting. asbestos cement. corrugated 7 . Page
Sheeting. asbestos cement. flat . . . 7 Shingle. thermal capacity roof cover-
Shingles. cedarwood 32 ing 35 . . . . . . . . . . . . . . .
Shot.steel. aggregates . . . . . 6.7 Shot.steel.concrete . . . . . . 12 Silts . . . . . . . . . . 33 Sintered pulverized-fuel ash aggregates 6. 7 Slab. glass fibre . . . . . . . 15 Slab. slate . . . . . . . . 32 Slab. straw. compressed . . . . . 34 Slabs. wood wool . . . . . . 38 Slag.foamed. aggregates . . . . 6. 7 Slate aggregate concrete blockwork .
walling . . . . . . . . 10 Slateslab . . . . . . . . . 32 Slating
Cornish . . . . . . . . 32 Welsh . . . . . . . . . 32
Slating battens 8 Westmorland 32
Softwood floors . . . . . . . 37 block . . . . . . . . . 37
Softwoods 36 strip 37
Soil and waste ventilatingpipes 20.21.22. 26 Soil pipes . . . . . . 20.22. 26 Soils . . . . . . . . . 32.33 Sprayed asbestos fibres . . . . . 7 Spruce . . . . . . . . . 36 Standard wiregauges . . . . . 39 Steel
cast . . . . . . . . . 33 m i l d . . . . . . . . . 33 protected. corrugated . . . . 33 protected. flat . . . . . . 33 sheet. corrugated . . . . . . 33 sheet. flat . . . . . . . . 33
Steel. expandedmetal . . . . . 13 concrete reinforcement . . . . 13 general purposes . . . . . . 13 plastering . . . . . . . . 13
Steel fabric . . . . . . . . 33 Steel faced plywood . . . . . . 19 Steelpipes . . . . . . . . . 22 Steelshot aggregates . . . . . 6. 7 Steelshot. concrete . . . . . . 12
walling . . . . . . . . 10 Stonencast . . . . . . . . 12
Bath . . . . . . . . . 33 Cornishgranite . . . . . . 34 Darley Dale . . . . . . . 34 granite . . . . . . . . 34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stone aggregate concrete blockwork.
Stonework
48 ””.”_ \
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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B.S. 648 : 1964
Page Guernsey granite . . . . . . 34 limestone . . . . . . . . 34 Mansfield red . . . . . . 34 marble . . . . . . . . 34 Peterhead granite . . . . . . 34
sandstone 34 Portland 34
Straw slab. compressed 34 Woolton 34
Strip copper . . . . . . . . 12 Synthetic resin bonded paper. sheet . 30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tarmacadam. roads and footpaths . 34 Teak. Burma . . . . . . . 36 Terracotta . . . . . . . . 34 Terrazzo
partitions . . . . . . . . 34 paving . . . . . . . . 34
Thatching. reed 35 tiles 34
Thermal capacity roof coverings. shingle andfelspar . . . . . 35
Thermal insulation. glass fibre . . . 15 Tiles . PVC (Vinyl) asbestos . . . 35 Tiles. rubber. flooring . . . . . 31 Tiles . terrazo . . . . . . . 34 Tiling battens . . . . . . . 8 Tiling. floor
asphalt . . . . . . . . 35 clay . . . . . . . . . 35 concrete . . . . . . . . 35 cork. compressed . . . . . 35 hardboard faced. bifumen based . 35 PVC. flexible . . . . . . . 35 PVC(Viny1) asbestos 35
clay . . . . . . . . 35 concrete . . . . . . . j5. 36
clay . . . . . . . . fibre. acoustic . . . . . ;E plastics . . . . . . . . 36 polystyrene . . . . . . . 36 PVC . . . . . . . . . 36
Burma teak . . . . . . . 36 Douglas fir . . . . . . . 36 fir. Douglas . . . . . . . 36 hardwoods . . . . . . . 36 maple . . . . . . . . 36 oak . . . . . . . . . 36
pitchpine.1ongleafdense 36 pine 36
. . . . . . . . . . . . . . . .
. . . . . Tiling. roof
Tiling. wall
Timber
. . . . . . . . . . . . .
Page softwoods . . . . . . . 36
teak. Burma . . . . . . . 36 Unreinforced concrete pipes . . . 21
Ventilatingpipes . . . 20,21,22.26 Vermiculite
crude . . . . . . . . . 36
Vermiculiteaggregate plaster 29 exfoliated 36
SprUCe . . . . . . . . . 36
. . . . . . . . . . . Wall tiling
clay . . . . . . fibre. acoustic . . . plastics . . . . . polystyrene . . . . PVC . . . . . .
Wallboard. asbestos cement Waste pipes . . . . . Water . . . . . . Weatherboarding . . . Welshslafing . . . . Westmorland slating . . Wire and sheet gauges
Birmingham . . . . Standard . . . . . Zinc . . . . . .
Wiredcast glass . . . . Woodchipboard
uniform three-layer
hardwood . . . pitchpine . . . . . softwood
hardwood . . . . pitchpine . . . . .
Wood lathing softwood
Wood shingles. cedar . . Wood woolslabs . . . Woolton stonework . . . Wrought aluminium . . Wrought copper . . . . Wrought íron . . . . Wrought magnesium alloys Wrought phosphor bronze .
. . . . . . . . .
Wood floors. block .
. . . . . Wood floors . strip
. . . . . . . . .
. . . 36 . . . 36 . . . 36 . . . 36 . . . 36 7 io. 2 1 . i2 . 26 . . 36. 37 . . . 37
32 32
. . . 40 . . . 39
15 41
. . . . . .
. . . . . .
. . . 37 . . . 37
. . . . 37 . . . 31 . . . 37 . . . 37 . . . 3 1 . . . 37 1 . . 1 7 . . . 32 . . . 38 . . . 34 . . . 7 ' . . 12 . . . 11 . . . 18 . . . 12
Zinc gauges . . . . . . . . 41 sheet . . . . . . . . . 38 solid . . . . . . . . . 38
49
:" . I
COPYRIGHT 2003; British Standards Institution on ERC Specs and Standards
Document provided by IHS Licensee=British Nuclear Fuels (BNFL)/5936406100,User=, 12/03/2003 08:12:19 MST Questions or comments about this message: pleasecall the Document Policy Group at 1-800-451-1584.f
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