MCCCD Official Course Competencies:

IRW130  2007 Summer I – 2009 Spring

Reinforcing I: Rebar

1.

Describe the historical development of reinforced concrete. (I)

2.

Identify and describe the type of concrete used in reinforcing and list the advantages of using reinforced concrete in construction.(I)

3.

Define stress. load and bond. (I)

4.

Identify and describe the re-bar used in reinforcing work by type, grade, and size given the symbol on the bar or bundle tags. (II)

5.

Identify and demonstrate the proper use of tools used for reinforcing rod work and indicate where they are used. (III)

6.

Calculate equal spacing of bars given job specifications and Identify and demonstrate the five ties used on Re-bar. (III)

7.

Given a construction diagram, label the parts of the construction pictured. (IV)

8.

Describe the location and purpose of a beam, girder, pile foundation, deep pier, footing, column and slab. (IV)

9.

Name and describe the five types of slabs. (IV)

10.

Name and describe the function of the parts of a bridge and name and describe types of bridges and where they are used. (V)

11.

Define compression, shear, and tension and name and describe the three types of shear and indicate where they occur. (VI)

12.

Describe the location of reinforce needed in walls, floors, footings, stair landings, and four types of beams. (VI)

13.

Describe the compression reinforcement used in columns and beams. (VI)

14.

Contrast fabrication of reinforcing steel and manufacture of reinforcing steel. (VII)

15.

Identify a bar or stirrup by type number and sort reinforced bar to proper placing order. (VII)

16.

Identify incorrectly bent bar and correctly use a bending table . (VII)

17.

Describe spirals, assembled spirals and unassembled spirals and where they are used. (VII)

18.

Describe tolerances for length and bends of rods and calculate acceptable bending radii for hooks and bends for any size rod. (VII)

19.

Calculate length of bar needed to fabricate column ties, stirrups and hook bars, given the concrete dimensions or reinforcing part dimensions. (VII)

20.

Mark and bend column tires, Stirrups, and hook bars and correctly bundle and tag bars, unassembled spirals and assembled spirals. (VII)

21.

Describe the usual marking systems used on drawings to identify building structure and highway structure locations. (VII)

22.

Given a description of a bend, tie, hook or stirrup, fabricate the part in the shop. (VII)

23.

Describe the arrangement necessary between the Iron Worker foreman and the project superintendent prior to delivery of reinforced steel to the job site. (VIII)

24.

Safely and properly unload reinforced steel by hand and power equipment. (VIII)

25.

Identify four types of cranes and their parts and describe the advantages of the use of one type of crane over another. (VIII)

26.

Match the appropriate hook, shackle, sling and /or choker to the load weight to be moved. (VIII) 27 Describe the purpose of a spreader bar. (VIII)

27.

Recognize and perform all hand signals for cranes, clam buckets, telescoping booms, crawlers, lines, overhead and gentry cranes, and helicopters. (VIII)

28.

Identify situations requiring tag lines. (VIII)

29.

Bundle bars in appropriate weight groupings. (VIII)

30.

Describe the acceptable coating, rusting and scaling of re- bar and unacceptable coatings (VIII)

31.

Mark and tag bar appropriately at the job site including necessary information and color coding when appropriates. (VIII)

32.

Describe the content and purpose of a placing drawing and identify the five types of drawings used in construction and describe their purpose. (IX)

33.

Identify and describe the following specifications, general notes, wall location diagrams, slab panel location diagrams, plan, section detail, elevation, schedule, and detail sheet. (IX)

34.

Recognize and define the symbol, lines and abbreviations used on drawings and detail sheets. (IX)

35.

Read and follow specifications, diagrams, plans and schedules. (IX)

36.

Read and follow placing drawings for various types of construction projects requiring reinforcing work. (IX)

MCCCD Official Course Outline:

IRW130  2007 Summer I – 2009 Spring

Reinforcing I: Rebar

I. Reinforced Concrete

A. History of Reinforced Concrete

B. Types

C. Relationship of Concrete and Steel

D. Advantages of Reinforced Concrete

E. Stress, Load and Bond

II. Manufacture of Reinforcing Steel

A. Fabricated Bars

B. Bar Sizes

C. Identification Marks

III. Tools, Types of Ties and Safety

A. Tools

B. Types of Ties

C. General Principles of Tying Bars

1. Calculating Equal Spaces of Bars

2. Percentages of Ties

3. Identification of Ties

4. Safety and Job Responsibilities

IV. Type of Reinforced Concrete Building Construction

A. Walls

B. Footings

1. Wall

2. Square Column

3. Combined

4. Foundation Mat or Raft

C. Grade Beam

D. Pile Foundation

E. Deep Pier or Open Caisson

F. Forms

G. Floor

1. Slab Beam and Girder

2. Concrete Joist

H. Slabs

I. Special Reinforced Concrete Roof Construction

J. Bins and Tanks

V. Bridges Construction

A. Parts

B. Types

1. Simple Beam

2. Rigid Frame

3. Arch

4. Box Girder

5. Box Culvert

VI. Reinforcing Steel - Purpose and Location in Concrete

A. Compression

B. Shear

1. Single

2. Vertical

3. Horizontal

C. Tension

1. Diagonal

2. Binding

3. Shrinkage

4. Temperature

D. Beam

1. Simple

2. Stirrups

3. Continuous

4. Cantilever

E. Floors

F. Walls

G. Footings

H. Stair Landings

I. Compression Reinforcement

1. Columns

2. Beams

J. Concrete Protection

VII. Fabrication of Reinforcing Steel

A. Manufactured vs. Fabricated Reinforcement

B. Identification

1. Bar

2. Stirrup

C. Sorting

D. Fabrication Methods

E. Bend Corrections

F. Bending Tables

G. Bar Bends

1. Typical

2. Special

H. Spirals

1. Assembled

2. Unassembled

I. Spacers

J. Tolerance

1. Length

2. Bend

K. Radii

1. Hooks

2. Bends

L. Length of Bar

1. Column Ties

2. Stirrups

3. Hook Bars

M. Marking and Bending

N. Bundling

O. Marking Systems

1. Building

2. Highway Structures

VIII. Unloading, Handling and Storing

A. Arrangements

1. Foreman

2. Superintendent

B. Unloading

1. By Hand

2. Power Equipment

C. Cranes

1. Types

2. Parts

3. Advantages

D. Load Weight

1. Hooks

2. Shackles

3. Slings

4. Chokers

E. Spreader Bar

F. Hand Signals

1. Cranes

2. Clam Buckets

3. Booms

4. Crawlers

5. Lines

6. Helicopters

G. Tag Lines

H. Bundling

I. Coatings

J. Carrying

K. Marking and Tagging

1. Information

2. Color Coding

IX. Engineering and Placing Drawings

A. Content

B. Purpose

C. Drawings

1. Types

2. Purpose

3. Parts

4. Reading