Sledge Hammers (Download) Sledge Hammers What are Sledge Hammers? Sledge hammers consist of a handle and a heavy head that is widely used for breaking up or demolishing structural components or moving heavy items small distances Origins First use was in the ship building industry. Ships were built on large wooden sledges held by chocks. […]

Lightning (Download) Lightning Most lightning strikes average 2 to 3 miles in length, but can strike up to 10 miles laterally Lightning carries a current of 10,000 Amps at 100 million Volts (hotter than the surface of the sun). Lightning Distance Quick Facts Florida is the lightning capital of the world. Lightning is about the […]

LeafBlowers (Download) LEAF BLOWERS Gardening tool used to remove leaves and light debris from gardens, lawns, roofs, and roads Used for housekeeping on the construction site Can be hand-held, carried as a backpack, or pushed (with wheels) Hand-held Backpack Pushed Leaf blowers typically have 2 to 4 stroke engines and a nozzle that propels air […]

Lasers (Download) Lasers http://www.rainydaymagazine.com/RDM2007/Home/Oct2007/RainyDayScience/WickedLaser/FocusedBeam2Big.jpg Laser L Light A Amplified By S Stimulated E Emission of R Radiation “ Thus the laser is a device which produces and amplifies light.” OSHA STD 01-05-001 – PUB 8-1.7 – Guidelines for Laser Safety and Hazard Assessment A Brief History The mechanism by which this stimulated emission is accomplished […]

Housekeeping (Download) Housekeeping Source: http://www.healthandsafety.co.uk/shop/ Housekeeping involves keeping the construction site safe for workers and others, and covers such things as keeping work areas neat and tidy, removing waste, and laying out the site, storage and maintenance areas for accident/fire prevention. Introduction → scope Introduction → concern Good Housekeeping is the foundation of accident prevention […]

Heat (Download) Heat Heat in Construction Heat can KILL construction workers if dealt with improperly This is especially true in the southern states the summer temperature is extremely high Heat can also bring abnormal feelings to workers and significantly reduce their productivity Heat is dangerous in construction Emergency treatment after heat-related disorders appear is sometimes […]

Generators (Download) Portable Generators www.nairanaira.com Generators Generators convert gas or diesel fuel into usable electricity (that is, mechanical energy into electrical energy). If used and maintained properly, gas generators are relatively safe. Portable generators are defined by OSHA as “internal combustion engines used to generate electricity” (OSHA, 2009). http://www.bouncehousesplano.com/generator.jpg and www.peakpowertools.com/Portable-Generators-s/1.htm Generators are commonly used […]

Files (Download) FILES FILE A file is a hand tool used to shape material by cutting. Files normally take the shape of a hardened steel bar with metal ridges. THE FILE Point (called “Tang”) for attaching a handle, #1,2,4 are Files and #3 is a Rasp Files shape metal while Rasps shape wood. (Note different […]

Edgers (Download) PORTABLE EDGERS SWISHER OWNER ’ S/OPERATOR ’ S MANUAL for E4-E3000 LAWN EDGER EDGER DESCRIPTION An edger is a lawn-care tool used to trim grass or weeds cleanly from the edge of a walkway. Created by King o’ Lawn in 1940. PORTABLE EDGER USE Edgers may be manual or automated Manual: shown in […]

Bees (Download) http://hutnyk.files.wordpress.com/2009/06/bees.jpg Bees (http://en.wikipedia.org/wiki/Bee ) Bees are flying insects closely related to wasps and ants, and are known for their role in pollination and for producing honey and beeswax. Bees are a monophyletic lineage within the superfamily Apoidea, presently classified by the unranked taxon name Anthophila . There are nearly 20,000 known species of […]