Camlocks And Forms

Question 1

Holes for a snap ties should be approximately__millimeter to__millimeter larger than the tie head, which is normally a 14 mm to 16 mm hole in the plywood

Answer 1

1 mm to 2 mm

Question 2

When would stainless steel tires be used instead of wire ties?

Answer 2

When appearance as a factor

Question 3

When erecting law forms using full sized forms, often an odd size space occurs what must be fabricated to fill these gaps

Answer 3

Filler pieces

Question 4

What is the purpose of a strong back?

Answer 4

Max is an extra support and vertical member of form preventing buckling at horizontal form joints

Question 5

What may result of the bracket wedges are tightened excessively?

Answer 5

Reduced wall sickness extra strain on tires damaged form panels

Question 6

What care should be taken with wailers at external corners

Answer 6

Extend past the corners by 300 and 400 mm and be overlapped double nailed and locked with vertical 38 x 89 cornerlocks

Question 7

What care should be taken with wailers at internal corners

Answer 7

Alternate The Wailers

Question 8

What size holes are required to form ties used in the camlock forming system

Answer 8

21 mm

Question 9

Describe two ways the tops of the forms may be held in alignment until the top wheeler is in place

Answer 9

Use temporary 38 x 89 Wheeler or are use 38 x 89 or 19 mm x 89 mm cleats

Question 10

When placing the bracket for the camlock system onto the loop, end of the tie is it tightened as much as possible why or why not

Answer 10

No, the cones shatter the washer spend just on the whole TYs

Question 11

In the camlock system, the bottom plate connect as the bottom, Whaler

Answer 11

Tru

Question 12

In the camlock forming system, the tires are tightened to the wailers by driving an iron wedge between the tie in the Whaler

Answer 12

Boss

Question 13

What may happen if the plywood sheathing is not the same as the frame of the wood framed panel?

Answer 13

Shallow fins will be formed on the concrete wall at the form joints

Question 14

What two factors determine the horizontal spacing of ties

Answer 14

Size of the vertical wheelers and vertical spacing of the wailers

Question 15

What determines the vertical spacing of Whalers?

Answer 15

1/3600+ spacing not exceeding 6 mm

Question 16

What are three fastening systems used with wood frame panel forms

Answer 16

Coil, ties and bolts, panel, tie clamps, snap ties and wedges, whaler brackets, strong back hardware

Question 17

What type of fastener can be used to anchor a wall formed to an existing structure?

Answer 17

Coil, ties, and bolts

Question 18

Where is the proper location of a steel wedge on a snapped my head

Answer 18

At midpoint, wedge, or higher

Question 19

What may happen if the steel wedges are overtightened?

Answer 19

It reduces the wall thickness burns the metal washers shatters the plastic cones puts extra strain on ties

Question 20

Why should steal wedges be nailed in place after they are tightened

Answer 20

For extra strength and holding

Question 21

How are the wailers locked on exterior corners?

Answer 21

Extending past the corners by at least 6 to 12 inches, double nailed locked with two vertical corner locks and laced

Question 22

When forms are braced on one side, only the braces should be strong and rigid enough to resist both tension and compression

Answer 22

Tension will pull the wall apart and compression will pull it together. It needs to be solid enough to resist, pulling or pushing.

Question 23

Describe the plywood used with the Duraform forming system

Answer 23

30 mm plywood with a high density overlay is used

Question 24

What are Bakker bars?

Answer 24

Metal whaler bars, fastened permanently onto the form panels with latches and slots

Question 25

What is the advantage of six rows of backer bars over four or five rows

Answer 25

Faster rate poor

Question 26

What is the purpose of lineup, rails?

Answer 26

Ensures accurate wall alignment

Question 27

Why isn’t a bottom plate needed to the footings when using Dura forms as required with other types of forms

Answer 27

Due to the weight of the form, the bottom plates not needed

Question 28

I am outside corner form panels be temporary removed when using Dura forms

Answer 28

To install rebar

Question 29

Why are inside and outside panel set up together when using Dura forms

Answer 29

Insets ties run across that joint

Question 30

When are vertical studs used?

Answer 30

One forms are stacked for a greater wall height

Question 31

How many stud clamps are used to attach vertical studs and how are they installed?

Answer 31

Four. Clamps two at the top and two at the bottom with a stud clamp.

Question 32

How are the inside corners formed with Duraform?

Answer 32

100 x 100 steel corners

Question 33

Why must all joints in the form panels be directly opposite each other when using Dura forms

Answer 33

Have edges lineup ties, running perpendicular to the wall