April 12

• purlins were stagged and nailed on top of the rafts and nailed in to prevent the rafts from twisting. Put up a Metal and wooden scaffolding to reach the top of the house. Before bracing we used the spirit level to make sure the vertical parts of the scaffold were plumbed then we braced it with long pieces of timber to avoid the scaffolding from rocking or falling over. Spaces between each raft was 751mm. Made a string line across the width on top of the rafts as a guide for the purlins so they could be nailed in a straight line. made scaffolds in the middle of the house up against the back wall and braced it to the walls with timber under the braces for more support.

21.03.201121.03.2011


Reflection on the Profiles

1. Profiles/ Ground plates

• Name the parts and explain their functions/purpose?

Profiles: to set the boundary line and the mark the height of the batter board by using the telescope to set the measurement on the the measuring stick.

Ground Plates:

• How do we set them up?

By nailing them into the ground with a nail gun and making sure the profiles are braced.


28.03.2011

Piles/ Bearers/ Floor Joist

• Types of piles as per plan and their functions?

 doubling timbers and hammering the nails on a 45 degree angle so it prevents it from sliding and creates a stronger support for anything that goes on top of the bearers etc.

• Fixing requirements for pile to bearer and joist to bearer?

skewing the nail on a 45 degree angle and nailing it from the side  of the bearer down to the pile.

• What are the spacing requirements for the following piles and joist?

90mm from the sides then 600mm between each joist.

• What is the living space area?

Wall Framing requirements

• Find the length of walls A,B,C,D?

• A wall has structural components. Name all the components and state their functions?

Trimming studs: marked at the width of the window and upholds the window.
Studs: holds the top plate. keeps the wall frames strong vertically.
Nogs: keeps the spaces in between the studs and stops them from bending and creating a bow.
Solid blocking: keeps the studs straight and prevents the studs from twisting.

• What timber treatment is the bottom plate and why?

H3.1: because its water resistant and the bottom plate is closest to the ground.

• How do we set our wall frames? Use HBG Branz book to help answer the questions?

• Which nogs do we cut and nail later after we build our frames?

• what are the nailing requirements for the wall frames?

* Studs were squared off on one side and cut on a 6 degree angle for the top plate(roof).

Bracing requirements

• how can we identify bracing elements from the plans?

by locating the BL1 on the plans.

• why did we fix bracing straps on the trimmer studs and the lintels?

because the trimmer studs and lintels support the windows and will help prevent them from sliding or coming out and also prevent them being one sided.

• how many nails did we use and what nails were they?

4 on the top 2 in the middle and 6 on the bottom. 30x2.5mm, galvanised nails.



Roof framing

• Name the two roof framing members that you placed on the roof today?

Rafts and Purlins

• At what centres were they?

Rafts: 600mm
Purlins: 751mm