D02S6C

7/27/2019 D02S6C

1/6

DRILL BORES HOLES SEC VI: APPENDIXES

09/25/9862G1D02S6C

D-VI-C1

APPENDIX C: TEST AND TEST SOLUTIONS

051-62G-D02 Drill Bore Holes (TE1)

Action: Drill bore holes.

Conditions: At a training site, given a 750 CFM air compressor, a rock drilling site,a blast design, TM 5-331C, TM 5-3820-239-15,TM 5-3820-241-12, TM 5-4310-451-14, LO 5-3820-241-12, a generalmechanic's tool kit, a shovel, a crowbar, a grease gun, rock drillingequipment, petroleum, oil, lubricants (POL), rags, appropriatemaintenance forms, an equipment records folder, a pre-fitted OSHAand MSHA approved respirator with a HEPA filter, coveralls, safety

boots, goggles, gloves, double hearing protection, a hard hat, and apencil

Standards: Perform operators PMCS, maneuver a rock drill, and drill bore holesin accordance with (IAW) the blast design to within 6 of the depthand to within 2 of hole placement, TM 5-331C, TM 5-3820-239-15,TM 5-3820-241-12, TM 5-4310-451-14, and LO 5-3820-241-12,without damage to equipment or the environment and without injury topersonnel. Achieve a GO on a performance evaluation.

SafetyRequirements

Hard hats must be worn at all times. Hearing protection must be worn whileequipment is running. Eye protection, gloves and proper foot protection must beworn when operating equipment. Use three points of contact when mounting ordismounting equipment. Remove all jewelry. Use caution around moving parts.

RiskAssessmentLevel

Medium

EnvironmentalConsiderations

Avoid unnecessary stripping and damage to vegetation and waterways. Control dustconditions and limit water erosion by dressing area at the end of each day. Avoidunnecessary equipment usage and follow established procedures for cleanup of fluidleaks. Restore site and surrounding areas as close as possible to the originalecological condition.

7/27/2019 D02S6C

2/6


09/25/9862G1D02S6C

D-VI-C2

ReferencesRequired Number Title Date

AdditionalInformation

TM 5-331C Utilization of Earthmoving Equipment, RockCrushers, Air Compressors, and PneumaticTools

Nov 68

TM 5-3820-239-15 Drill, Pneumatic, Crawler Mounted Jan 68

TM 5-3820-241-12 Drill, Pneumatic, Self-Propelled May 92 w/Change 2

TM 5-4310-451-14 Compressor, Air, 750 CFM May 93

LO 5--3820-241-12 Drill, Pneumatic, Crawler Mounted May 92

InstructionalGuidance

Before conducting this evaluation:

a. Inspect the evaluation site for completeness.b. Ensure equipment is available and on site.

c. Ensure reference materials are on hand.

d. Ensure tool room is open.

e. Ensure all student materials are on hand.

Learning Activity #1: Administer an examination.

Method of Instruction: TE1Instructor-to-student ratio: 1:1Time of instruction: 3.5

Media: Student guide

1. Introduction

a. Introduction of the instructor

b. Motivational statement

c. State action, conditions, standards, safety, risk assessment level, and environmentalconsiderations.

2. Test administration procedures

a. Explain the importance of passing the end of phase test.

7/27/2019 D02S6C

3/6


09/25/9862G1D02S6C

D-VI-C3

b. Tell students what tasks will be evaluated.

(1) Perform operators PMCS on the air compressor and the rock drill.

(2) Position a 750 CFM air compressor and rock drill for drilling operations.

(3) Drill bore holes for explosive emplacement.

c. Inform students of retest policy.

(1) One retest may be given.

(2) Students will receive additional training prior to retest.

(3) Students will receive a retest only on tasks failed.

(4) Students will be counseled upon receiving no go.

(5) Allow students questions.

3. Performance Evaluation Test

Provide the following information at the test site.

(1) Read the action, conditions, standards, safety, risk assessment level, and environmentalconsiderations statements.

(2) Inform students that a GO on all performance measures are required to receive a GO for theaction.

(3) Allow students to ask questions.

7/27/2019 D02S6C

4/6


09/25/9862G1D02S6C

D-VI-C4

APPENDIX C: TEST AND TEST SOLUTIONS

051-62G-D02 Drill Bore Holes (TE1)

NAME CLASS NO.

UNIT ATTEMPT NO.

RESULTS

PERFORMANCE MEASURES OR TEST GO NO GO

1. Perform Operators PMCS on a 750 CFM Air Compressor and RockDrill ______ ______

a. Identifies and performs before operations maintenance checksand services IAW appropriate references. ______ ______

b. Corrects all operator level deficiencies. ______ ______

c. Annotates all nonoperator level deficiencies on the correctmaintenance form(s)

______ ______

d. Performs all air compressor and rock drill starting procedures. ______ ______

e. Performs all steps with safety guidelines. ______ ______

2. Position a 750 CFM Air Compressor and Rock Drill for DrillingOperations

a. Prepares the drill for drilling operations.______ ______

(1) Places the hydraulic shutoff valve in the horizontal positionto activate the hydraulic pump.

______ ______

(2) Maneuvers the boom controls to obtain the desired altitudeof the boom and feed.

______ ______

(a) Feed Tilt

1) Pulls the handle backward to move the front end ofthe feed down.

______ ______

2) Pushes the handle forward to move the front end ofthe feed up.

______ ______

(b) Boom Lift

1) Pulls the handle backward to lift the boom.______ ______

2) Pushes the handle forward to lower the boom.______ ______

(c) Feed Swing

1) Pulls the handle backward to swing the front of thefeed to the left.

______ ______

7/27/2019 D02S6C

5/6


09/25/9862G1D02S6C

D-VI-C5


2) Pushes the handle forward to swing the front of thefeed to the right.

______ ______

(d) Boom Swing

1) Pulls the handle backward to swing the boom to theleft.

______ ______

2) Pushes the handle forward to swing the boom to theright.

______ ______

(e) Feed Extension

1) Pulls the handle backward to retract the feed.______ ______

2) Pushes the handle forward to extend the feed.______ ______

b. Position the boom and feed. ______ ______

Spots the drill bit at the desired location of the hole. ______ ______

(a) Pulls the feed tilt handle backward to move the front endof the feed down.

______ ______

(b) Pulls the boom lift handle backward to lift the boom.______ ______

(c) Pushes the feed extension handle forward to extend thefeed.

______ ______

(d) Pushes the drill feed control until the stinger pressesagainst the ground or rock.

______ ______

(e) Continues the above operations until the rock drill is

properly positioned in accordance with the jobspecifications.

______ ______

3. Drill bore holes for explosive emplacement. ______ ______

a. Prepares the boom and feed for drilling operations. ______ ______

(1) Spots the drill bit at the desired location of the hole. ______ ______

(2) Feed Tilt

Pulls the handle backward to move the front end of thefeeder down.

______ ______

(3) Boom Lift

Pulls the handle backward to lift the boom. ______ ______

(4) Extends the feed by pushing the feed extension handleforward.

______ ______

(5) Pushes the drill feed control forward until the stinger pressesagainst the ground or rock sufficiently to lift the front end ofthe track two or three inches off the ground.

______ ______

7/27/2019 D02S6C

6/6


09/25/9862G1D02S6C

D-VI-C6


b. Operates the rock drill.

(1) Moves the rotation control to the ON position. ______ ______

(2) Moves the blow control to the blow position. ______ ______

(3) Advances the bit slowly by pulling the drill feed control leverdown until the bit has penetrated four or five times.

______ ______

(4) Moves the drill control and the rotation control to the full ONposition.

______ ______

(5) Drill until the coupling reaches the centralizer, then placesthe drill and rotation handles in the OFF position.

______ ______

(6) Places the blow handle in the ON position and moves the

feed handle to the UP position until the steel and the bit areclear of the hole.

______ ______

4. Performs shutdown procedures. ______ ______

Evaluators Overall Rating: ______ ______

Evaluators Comments:

Evaluator's Signature: ____________________________________

Date: ___________________________________

Documents

D02S6C