Category: Engineering & Technology

Scaffolding

Scaffolding—Definition of—Northern system—Derrick stagings—Working platforms—South country system—Gantries, commonly called travellers—Travelling gantry—Gantries which serve as a base for lighter forms of scaffolding—Stagings—Pole scaffolds—Bricklayers’ scaffolds—Masons’ scaff...

Chapters

1. CHAPTER I

Scaffolding—Definition of—Northern system—Derrick stagings—Working platforms—South country system—Gantries, commonly called travellers—Travelling gantry—Gantries which serve as...

2. CHAPTER II

3. CHAPTER IV

4. CHAPTER VI

Ladders—Trestles—Cripples—Buckets and skips—Baskets—Barrows—Stone bogies—Hand barrows—Hods—Timber trucks—Sack trucks—Crates—Ashlar shears—Stone clips and slings—Stone lewises—St...

5. CHAPTER VII

6. CHAPTER VIII

Stability—Wind pressures—Force of weight or gravity—To find the centre of gravity of a body—Two or more bodies—Of a dependent scaffold and the effect of loads upon it—Of a gantr...

7. CHAPTER IX

Failure of beams—Pillars and struts—Ties and traces—Dead loads—Live loads—Breaking weight—Safe load—Constants—Beams subject to a transverse strain—Posts and struts subject to co...

8. CHAPTER X

9. CHAPTER XI

Scaffolding bye-laws—Burgh Police (Scotland) Act—Factory and Workshop Act, 1901—Abstract of same, issued from the Home Office—Notice of Accident Act—Report on Building Accidents...

10. CHAPTER I

Scaffolding is the art of arranging and combining pieces of timber in order to enable workmen to proceed with their work, and from which, if required, to lift and carry the mate...

11. CHAPTER II

It is impossible to deal with these cases in detail; they must be left to the scaffolder, who, while holding closely to the principles, by the exercise of ingenuity will make co...

12. CHAPTER III

Shoring is the term given to a method of temporarily supporting buildings by a framing of timber acting against the walls of the structure. If the frame consists of more than on...

13. CHAPTER IV

=Classification and Structure.=—A short study of the classification and structure of wood will be useful, as it will enable the scaffolder to use material free from the inherent...

14. CHAPTER V

The fibres used for the ropes and cords for scaffolding purposes are of jute and hemp. The strongest rope is made of the latter variety, and the best quality is termed the Manilla.

15. CHAPTER VI

=Ladders.=—A ladder consists of a pair of sides connected by a series of oak or ash treads or rungs. The sides of long ladders are formed by cutting lengthwise a straight fir po...

16. CHAPTER VII

The transportation of material is not altogether within the province of a scaffolder, but it is so intimately connected—indeed, it is difficult to say where his connection with...

17. CHAPTER VIII

A scaffold, considered as a whole, is in a stable condition when, under the forces that may act upon it, it remains in a state of rest or equilibrium. Two forces which tend to c...

18. CHAPTER IX

The strength of a scaffold equals the resistance that its members and their connections can offer to the strains that act upon it. The timbers used may fail in various ways.

19. CHAPTER X

The safety of workmen depends not altogether upon the stability and strength of a scaffold, but also upon the use of certain precautions which, while not requisite for the progr...

20. CHAPTER XI

Regulations governing the erection of scaffolding have been made by many of the principal Local Authorities in the Kingdom. Their purpose is to safeguard the public using the th...