MCCCD Official Course Competencies:

MEC132  2009 Fall – 2010 Fall

Construction Pipe Trades III

1.          Perform intermediate trade calculations including ratios, proportions, stretchout fittings, and simple and parallel offsets. (I)

2.          Demonstrate appropriate use of specific measuring devices and tables including protractors, vernier calipers, micrometers, scales, and weights and measures for the pipe fitting trade. (II)

3.          Discuss pipefitter drawings and detail sheets including terminology, types, and parts. (III)

4.          Draw specific field sketches including orthographic, oblique and isometric.(IV)

5.          Discuss metal and plastic pipe systems including applications, advantages and disadvantages.(V)

6.          Discuss Occupational Safety Health Administration (OSHA) regulations related to excavations including personal protection equipment, job site requirements, trenches, slopes, soils, shoring, and support systems. (VI)

7.          Identify soil properties according to grain size, shape, and soil gradation for sand, clay, silt, and gravel soil types. (VII)

8.          Discuss trenches and the application of grade, elevation, specific shoring, support systems, and bedding materials. (VIII)

9.          Examine underground pipe including types, sizes, materials, uses, fittings, and joining methods. (IX)

10.        Identify equipment and describe procedures for installation of specific types of underground pipe including cast iron, ductile iron, vitrified clay, carbon, steel, concrete, fiberglass, and thermoplastic pipe. (X)

11.        Discuss initial and final backfilling procedures including materials, slicing, fittings, alignment, moisture content, material compaction, material gradation, lift thickness, and compaction. (XI)

12.        Discuss proper storage and handling of underground pipe including transport, loading and unloading, handling, lifting devices, inspecting, and stacking pipe. (XII)

MCCCD Official Course Outline:

MEC132  2009 Fall – 2010 Fall

Construction Pipe Trades III

I.          Intermediate Trade Calculations

            A.        Ratios and Proportions

            B.        Stretchout Fittings

            C.        Simple and Parallel Offsets

II.        Measuring Devices and Tables

            A.        Protractors

            B.        Vernier Calipers

            C.        Micrometers

            D.        Scales

            E.         Weights and measures

III.       Drawings and Detail Sheets

            A.        Terminology

            B.        Types

            C.        Parts

IV.       Sketches

            A.        Orthographic

            B.        Oblique

            C.        Isometrics

V.        Metal and Plastic Pipe Systems

            A.        Applications

            B.        Advantages

            C.        Disadvantages

VI.       OSHA Regulations

            A.        Personal Protection Equipment

            B.        Job Site Requirements

            C.        Trenches

            D.        Slopes

            E.         Soils

            F.         Shoring

            G.        Support Systems

VII.     Properties

            A.        Grain Size and Shape

                        1.         Sand

                        2.         Clay

                        3.         Silt

                        4.         Gravel

            B.        Soil Gradation

                        1.         Sand

                        2.         Clay

                        3.         Silt

                        4.         Gravel

VIII.    Trenching Applications

            A.        Grade

            B.        Elevation

            C.        Shoring

            D.        Support systems

            E.         Bedding

IX.       Underground Pipe

            A.        Types

            B.        Sizes

            C.        Materials

            D.        Uses

            E.         Pipe fittings

            F.         Joining methods

X.        Installation Equipment and Procedures

            A.        Cast iron

            B.        Ductile iron

            C.        Vitrified clay

            D.        Carbon, steel

            E.         Concrete

            F.         Fiberglass

            G.        Thermoplastic

XI.       Backfill Procedures

            A.        Initial Backfill

                        1.         Bedding materials

                        2.         Proper slicing

                        3.         Fittings

                        4.         Alignment

            B.        Final Backfill

                        1.         Moisture content

                        2.         Materials to be compacted

                        3.         Material gradation

                        4.         Lift thickness

                        5.         Compaction

XII.     Storing and Handling Underground Pipe

            A.        Transport

            B.        Loading and Unloading

            C.        Handling

            D.        Lifting Devices

            E.         Inspecting 

            F.         Stacking