WORKING DRAWINGS HANDBOOK, Fourth Edition

Appendix 5

Spot level—existing

Spot level—proposed

Level shown on section or elevation—existing

Level shown on section or elevation—proposed

Some abbreviations in common use

AD above datum

app. approximately

BM bench mark

BSCP British Standard Code of Practice

BSS British Standard Specification

c/c centre to centre

cL centre line

diam. diameter

dim. dimension

exc. excavate (excavation)

exg. existing

Eq. equal

extn. extension

FFL finished floor level

fin. finish (finished)

FS full size

fluor. fluorescent

HD heavy duty

HT high tension

Htg. heating

H/V heating and ventilation

(or H & V)

ID internal diameter

inc. including (inclusive)

int. internal (interior)

IV invert

LT low tension

max. maximum

mfr. manufacturer

min. minimum

misc. miscellaneous

NBS National Building Specification

nom. nominal

NTS not to scale

o/a overall

OD outside diameter

O/H overhead

opp. opposite

partn. partition

PC pre-cast

pr. pair

prefab. pre-fabricated

pt. point (or part, depending on context)

rect. rectangular (rectilinear)

reinf. reinforced

rad. radius

req. required

ret. return (returned)

sch. schedule

spec. specification

susp. suspended

sq. square

std. standard

vert. vertical

wt. weight

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