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Timber Framing Raising and Rigging Class

August 19 - August 23



Start: August 19
End: August 23
Cost: $1,100
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Heartwood School
Johnson Hill Road
Washington, MA 01223 United States
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Heartwood School
(833) 478-9663
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Here is an opportunity to learn the few, but necessary, knots (a dozen or so) needed by the timber framer to safely lift heavy loads and tying off timbers for shipment. Students will practice these knots until they own them. All the elements of a knot, bend, and hitch will be covered.

The rigging of blocks and use of tackle will be demonstrated. You will learn how to construct and adjust a gin pole (luffing) using various rope hitches and tackle. Time permitting, we will show you how to arrange, rig, and raise tripods and shear legs (A-frames) and maneuver a load with a jib-arm. More maneuverable and versatile than shear legs, the gin pole requires more rope and guying points (anchors).
Splicing synthetic and manila ropes for eyes and joining lengths will be practiced. Finding lift points, center of gravity (CoG), and how to secure pieces and bents for raising will also be covered, as well as crane signaling and the basics of crane setup and operations.


Instructors for this course are Grigg Mullen Jr. and Grigg Mullen III. See navigation for instructor bios.

Recommended Reading:

● “Raising Calculations and Prep” by Grigg Mullen, Timber Framing 67
● “Ropes and Knots” by Grigg Mullen, Timber Framing 68
● “Lifting Apparatus Calculations” by Grigg Mullen, Timber Framing 69
● The Complete Rigger’s Apprenticeby Brion Toss Additional Reading
● Handbook of Rigging for Construction and Industrial Operations, 4th Edition by W.E. Rossnagel, Lindley R. Higgins, & Joseph MacDonald
● Rigging Techniques, Procedures, and Applications: US Army Field Guide FM5-125 by The United States Army


Click here for more information and registration!