Wednesday, May 25, 2011

1,3 & 5,7 hatfield drive albany

We built both of them at the same time,their structure are same,I only write down once for their building process.

Erect first floor:
1.Crossed to find the position,according to the plan and concrete wall that had been erected;
2.DPC on bottom plate,skip threshold;
3.Erect framing with the plan.Make sure the top plate the same level,temporary bracing;
4.Adjust framing from bottom plate with stringline, then plumb and square the wall, at the end stringline the top plate;
5.Fixing bottom plate to concrete slab with concrete nail and bolt,bolts with washers every 900 mm at external wall,appropriate at internal wall.Glav strap fixing of stud and bottom plate with 9 nails each side,6 in stud and 3 in bottom plate.
6.Connect wall framing on top plate with timber connector.Stud to top plate with timber connector on external wall;
7.Fixing double top plate on top plate;
8.Bracing wall with angle steel and plywood according the plan. Fixing plywood 1 stain-less steel nail every 150 mm on edge,300 mm in intermediate.




Second floor joist and floor:
1.Find the position according to the plan;
2.Fixing boundary joist first at one edge,joist spacing is 450 mm,fixing others,pay attention to their level;
3.Normal joist to boundary joist with hanger,12 nails each side, 6 to boundary joist,6 to normal joist.
4.Fixing noggs between joists,spacing no more than 1800 mm;
5.Checking level;
6.Layout floor with stagger sheet joint,plywood for bathroom area.

Erect second floor framing are similar with first floor framing.Only hold-down element is different.normally we use nails,2/90 x 3.75 nails at 600 mm crs,we use bolt and strap for bracing wall according the plan.

Fixing trusses:
1.Find the position according to the plan,mark position on double top pate.
2.Erect end truss first,erect others in proper order,temporary hold them with temporary ties.
3.Connect small trusses to main trusses.
4.Adjust trusses with stringline,stringline from end to end,make sure every truss's top on the line.
5.Connect every truss with nogs.
6.Fix braces with 45 degrees.
7.Connect rafter to double top plate with 'Z' nails.
8.Fixing outrigger and flying rafter.
9.Fixing flying rafter patten and blocking for soffit.
10.Fixing valley boards.
11.Fixing runner and flushing.





Fixing ceiling batten:
At first floor,fixing ceiling batten at joist and double top plate,ceiling batten is right angle with joist,spacing is 450 mm,make sure the same level with double top plate;
At second floor fixing ceiling batten at ceiling joist and double top plate,others are same.

Saturday, May 7, 2011

1,3 hatfield and 5,7hatfield drive albany

Address:1,3,5,7 hatfield drive albany
Start: 29 April 2011
Basic information:.Concrete slab foundation had been done.4 sections belong to 1 owner,we are building all of them.they have the similar structure:2 titles in 1 section.One is 5 bedrooms and 2 garages,other is 2 bedrooms and 1 garage.Both are 2 levels,total 340 square meters in one section.
What I have done
Erecting first floor framing,adjusting wall and fixing bottom plate to concrete slab;
Fixing second floor joist on double top plate;
Laying sheet on the joists;
Erecting second floor framing,adjusting wall.
I spent a lot of time to write my assessment,so i don't have time to record working exactly.The first floor frames of 1,3 hatfield have been sent on site.It will start to erect next week.

Wednesday, May 4, 2011

Internal doors --- installation

We are installing internal doors this week.

Steps:
Check plan to find hinge position;
Check floor level.if the floor isn't the same level,cut the jamb bottom(high floor side)
Measure opening and door sizes;
Half left every amount;
Nail three packers first on hinge side;
Nail jamb on packers,make sure jamb is plumb,flash with GIB board;
Adjusting other side and top,gap between door and jamb are small and same.When close door,make sure the door is exactly flash with jamb;
Nail other side and top jambs.