Productivity Long-Hole

7/28/2019 Productivity Long-Hole

1/16

LONG-HOLE

MODULE : SUPPORT, DRILLING, BLASTING

FLOOR

HoursCLEANING DRILLING INSTALLATION DRILLING REDRILLING BLAST

1

2

3Preparation

( 1 hr)

(section 2.0)

Preparation

( 0.3 hr/shift)

(section 4.3)

4

5

6

7

82 blas

drop ra

(section

18.8 meters/ms 76 m/ms 94.6 meters/ms 31.6 t/

MOBILIZATION AND CABLES DROP RAISES

0.13 hr/hole of

5 meters

with 2 men(section 4.4)

3.1 m

advanc

/shift w

2 me

(section

Fixed t( 2.48 hr/

(section

8 m advanced

/hour

with 2 men

(section 4.1)

14.9 m/hour

(section 4.4)

Productivity 9 manshifts/sub 43 meters/manshift

DEMOBILIZATION

3.83 hours/sub-level

with 2 men

(section 3.0)

Fixed time

( 2.17 hr/sub-level)

(section 2.0)

Preparation

( 0.3 hr/shift)

(section 4.3)

Fixed activities per shift

2.13 hours/shift

(section 1.0)

8.9 m/hour

(section 4.3)

File: 159332107.xls.ms_officeSheet: CompilationPage 1 of 16

Experimental MineVal-d'Or


2/16

UNIT COST DISTRIBUTION PER ACTIVITY

MODULE: SUPPORT, DRILLING, BLASTING

FLOOR

CLEANING DRILLING INSTALLATION DRILLING REDRILLING

1 - LabourSalary ($/hour) 20.00$ hours hours hours hours hours hoursBonus ($/hour) 8.19$ 237.4 75.9 719.5 612.6 107.1 10.6Fringe benefits 50% $/tonne $/tonne $/tonne $/tonne $/tonne

Total ($/hour) 42.29$ 0.35$ 1.06$ 0.90$ 0.16$ 0.02$

Hours/shift 8

2 - MaterialDrilling (Long-Hole)

including rods, steel bits, hoses, lubricants and grease

Explosives and accessories

Supportmechanical rockboltsrebars and resinSplit-Set

Swellexscreencables, ciment and drillingshotcrete

total support :

Timber

Track

Pipes

Ventilation

Other supplies

3 - Equipment maintenancemechanicalelectricaldiesel and lubricants

Total/tonne 0.35$ 1.06$ 0.90$ 0.16$ 0.02$

4.45$ $/drilled m (cables) 6.29$ $/drilled m (drop ra

Labour only

0.11$

$/tonne

0.11$

DEMOBILIZATION

MOBILIZATION & CABLES DROP RAIS

File: 159332107.xls.ms_officeSheet: CostsPage 2 of 16



3/16

LONG-HOLE

STOPE PRODUCTIVITY CALCULATION

1.0 - DIRECT FIXED ACTIVITIES PER SHIFT (outside the stope)

Cage (at beginning and end of shift) 2 8 16

Travelling (shaft - refuge station - shaft) 2 5 10 Three-meterOther travelling delays 0 Two workingBack and forth to stope 4 8 32 Ramp accesSupervision 1 15 15 Three sub-leWork planning 1 10 10

Complete daily reports 1 15 15

Lunch 1 30 300

128 minutes

2.13 hours/shift

2.0 - DIRECT FIXED ACTIVITIES PER STEP (inside the stope)

RELATED TO FLOOR

CLEANING RELATED TO BLASTIBring and prepare material 1 30 30 Bring and prepare mate

Store material 1 30 30 Clean the floor followin

0 Store equipment and e

0 Check blasting lineminutes/sub-level 60 Connect the blast

hours/sub-level 1.00 Close access to the stoAccess verification fol lo

RELATED TO ANCHOR CABLE Extra scalingINSTALLATION Repair and install venti

Bring and prepare material 1 60 60

Clean pump and accessories 1 40 40

Store material 1 30 30

0

0

minutes/sub-level 130

hours/sub-level 2.17

Frequency orUnits

Time(min)/Unit

Total Time(min)

Total Time(min)

Time(min)/Unit

Frequency orUnits

Frequency orUnits

Time(min)/Unit

Total Time(min)

File: 159332107.xls.ms_office

Sheet: Long-HolePage 3 of 16



4/16

LONG-HOLE


3.0 - DIRECT FIXED ACTIVITIES PER STOPE

RELATED TO MOBILIZATION OTHER ACTIVITIES

AND DEMOBILIZATION PER STOPEPrepare the slide and working areas 3 80 240

Bring and lower drill in the sub-level 3 60 180Assemble the drill 3 20 60

Install electric services 3 60 180

Dismantle and bring out drill from sub-level 3 60 180Remove electric services 3 180 540

0

0

01380 minutes

Required number of men 2 23.00 hours

4.0 - DIRECT VARIABLE ACTIVITIES PER STEP (inside the stope)

4.1 - Floor cleaning

Cleaning time

Sub-levels (hours) 8

1 11.632 11.633 11.634 11.63

5 11.636 11.63

69.75 hours

Surveyors

Geologists

Productivity (linear meters/hour)

Frequency orUnits

Time(min)/Unit

Total Time(min)

Repairs in main access

Mechanics and electricians

3rd drilling level or UPPER LEVEL

2nd drilling sub-level

1st drilling sub-level

Drop raises

Typical Long-Hole Stope

LOWER LEVEL





5/16

LONG-HOLE


4.2 - Stope parameters

4.2.1 - Drop raise parameters

Production Reaming

Drilling sub-levels Actual length Width Height # of drop raises 54 102

1 6 2.4 3.0 1 16

2 6 2.4 3.0 1 163 6 2.4 3.0 1 16

4 6 2.4 3.0 1 16

5 6 2.4 3.0 1 16

6 6 2.4 3.0 1 16

6

4.2.2 - Drilling and blasting parameters of production rows

Length of Spacing between Number Average area Number of tonnes Number of drille

Drilling sub-levels sub-levels rows of rows /row (m ) /row meters/row

1 93 1.2 76 18 62 1

2 93 1.2 76 18 62 1

3 93 1.2 76 18 62 1

4 93 1.2 76 18 62 15 93 1.2 76 18 62 1

6 93 1.2 76 18 62 1369

Total tonnage from production ro

Average tonnage per drilled mete

4.3 - Drilling

Sub-levels Drop raises Long-Hole % Hours %

1 10.79 98.42 10% 1.1 1%

2 10.79 98.42 10% 1.1 1%

3 10.79 98.42 10% 1.1 1%4 10.79 98.42 10% 1.1 1%

5 10.79 98.42 10% 1.1 1%

6 10.79 98.42 10% 1.1 1%64.72 590.50 10% 6.47 1%

# shifts (incl maintenance) 12 106 # shifts (incl maintenance) 1

drilling hours (incl maintenance) 68.32 622.30 drilling hours (incl maintenance) 6.77

NOTE: The average productivity includes: drilling, daily maintenan

Drop raises -> 43.0 67.3


6/16

LONG-HOLE


4.4 - Support by anchor cables

Drilling sub-levels Length of Spacing between Number of Number of Number of cables Number of drilledLong-Hole sub-levels rows rows holes/row /hole meters/row

1 93 2.4 38 6 1 3

2 93 2.4 38 6 1 33 93 2.4 38 6 1 3

4 93 2.4 38 6 1 3

5 93 2.4 38 6 1 3

6 93 2.4 38 6 1 3Anchor cables per drift outside the mineralized zone

0

0

00

Total tonnage from drilling rows (Long-Hole) 28071 tonnes

Meter of cable/Long-Hole tonne 0.244 meter of cable/tonne

14.9 meters/hour1

76.0 meters/shift* The average productivity includes: drilling, daily maintenance, fixed time per shift and contingencies.

4.5 - Blasting

4.5.1 - Loading parameters

Length notSub-levels Drop raises Long-Hole Drop raises loaded/row Long-Hole Drop raises

1 32 228 96 3 1140 2222 32 228 96 3 1140 222

3 32 228 96 3 1140 2224 32 228 96 3 1140 222

5 32 228 96 3 1140 2226 32 228 96 3 1140 222

192 1368 576 6840 1332

Number of holes to be loaded

Number of men (drilling)

Average productivity (meters/shift) *

Productivity (meters/hour)

Number of meters to be loaded

Kg of

Long-Hole rows

See worksheet:

Cable_Drilling: productivity calculation of ancho


Sheet: Long-Hole

Page 6 of 16

Experimental Min

Val-d'Or


7/16

LONG-HOLE


4.5.2 - Loading time

Sub-levels Fixed Variable TOTAL Fixed Variable TOTAL

1 3.39 1.60 5.00 19.00 16.41 35.41

2 3.39 1.60 5.00 19.00 16.41 35.41

3 3.39 1.60 5.00 19.00 16.41 35.41

4 3.39 1.60 5.00 19.00 16.41 35.41

5 3.39 1.60 5.00 19.00 16.41 35.416 3.39 1.60 5.00 19.00 16.41 35.41

20.36 29.98 212.45

NOTE: - fixed time: includes a,b,c,d,e

- varable time: includes transportation and loading of explosives Loa

LONG-HOLE NUMBER OF ROWS/SHIFT 4.7 rows/shiftTONNES/SHIFT 289 tonnes/shift

DROP RAISES NUMBER OF BLASTS/SHIFT 1.03 blasts/shiftMETERS ADVANCED/SHIFT 3.1 meters/shift

Long-Hole (hours)Drop raises (hours)

T

File: 159332107.xls.ms_officeSheet: Long-Hole

Page 7 of 16

Experimental Mine

Val-d'Or


8/16

LONG-HOLE


5.0 - STOPE COMPILATION

5.1 - TABLE OF REQUIRED HOURS PER ACTIVITY

FLOOR

CLEANING DRILLING REDRILLING

ref. section 2.0

1.006

6.00

FLOOR

CLEANING DRILLING REDRILLINGref. section 4.1 ref. section 4.3 ref. section 4.3

69.75 68.32 6.77

REFERENCE NUMBER OF MEN 2 One man by default

PLANNED NUMBER OF MEN 2

ONLY DIRECT VARIABLE ACTIVITIES ARE INFLUENCED BY THE NUMBER OF MEN.THEREFORE, ACCORDING TO THE NUMBER OF MEN ENTERED, WE OBTAIN:

69.75 68.32 6.77

* The planned number of men can be different from the one entered in each section. If the number is different,

the time required for variable activities will be corrected in proportion to the number of men.

(inside the stope)

Number of times

23.00

DIRECT VARIABLE (hours) *

2

1

DEMOBILIZATION

23.00

ref. section 3.0

MOBILIZATION AND

One man per drill

DROP RAISES

DIRECT FIXED (hours)

(inside the stope)

2

MOBILIZATION AND DROP RAISES5.1.2 - DIRECT VARIABLE ACTIVITIES

1

DEMOBILIZATIONref. section 3.0

5.1.1 - DIRECT FIXED ACTIVITIES

DIRECT VARIABLE (hours)

One man per drill





9/16

LONG-HOLE


5.2 - STOPE PRODUCTIVITY CALCULATION

FLOOR

CLEANING DRILLING REDRILLING

Hours of fixed activities 6.00 29.

+ + +

Hours of variable activities 69.75 68.32 6.7727

Tr= = = 2.9

TOTAL 75.75 68.32 6.77* * *

PLANNED NUMBER OF MEN 2 1 1= = =

TOTAL MANHOURS REQUIRED 151.5 68.3 6.8

Number of hours per shift (schedule) 8 hours

with a co

OUTSIDE STOPE

PRODUCTIVE CONTINGENCY FIXED

2863.3 429.5 1194.8 4487.6

64% 10% 27% 100%

*23.00

2=

DEMOBILIZATION

INSIDE THE STOPE

TOTAL (STOPE)TOTAL

73%

DROP RAISES

=

+

46.0

23.00

MOBILIZATION AND

MANHOURS

3292.8

File: 159332107.xls.ms_officeSheet: Long-HolePage 9 of 16



10/16

LONG-HOLE


6.0 - STOPE STATISTICS

Pow

54 mm 102 mm Tonnes T/drilled m Explosives (kg) (k

DROP RAISES 576 144 739 1.026 1,332

LONG-HOLE 8208 28,071 3.42 15,822

CABLES 6840

TOTAL 15624 144 28,810 1.83 17,154

6.1 - STOPE PLANNING FACTORS

Required number of shifts (including contingencies and fixed time per shift)

Mobilization and

Floor cleaning Demobilization DRILLING REDRILLING BLASTING DRILLING REDRILLING BL

14.8 4.5 13.4 1.3 11.7 121.9 1.2

with 2 men with 2 men with 1 man with 1 man with 2 men with 1 man with 1 man wit

Productivity

Floor Mobilization & Inscleaning Demobilization of

18.8 meters/ms 9 manshifts/sub 94.6

Drilling

(m/shift)

43.0 63.1 tonnes/shift

LONG-HOLE 67.3 289.4 tonnes/shift

CABLES 76.0

per drill

DROP RAISES

DROP RAISES

LONG-HOLE

Drilled meters

Loading

File: 159332107.xls.ms_officeSheet: Long-HolePage 10 of 16



11/16

LONG-HOLEPRODUCTIVITY CALCULATION OF PRODUCTION DRILLING

1.0 - Calculation of the average drilling time per rod 3.0 - Hole b

minutes0.41.50.40.5

1.4

0.7

4.0 - Pivotinaverage drilling time per rod 4.9 min/rod

length of the rod (m) 1.2average time per drilled meter 4.1 min/drilled m

5.0 - Movingchang

2.0 - Casingmin

0.4 average time t1.52.0

0.8 6.0 - Movingor on t

minutes/casing 4.7

Insert the rodDrilling time/rod

Change of rodHole cleaning/rod

Loosen the rod

Store the rod

Mo

Insert the rod with steel bit for casing

DrillingInsert casing

Remove the rod with steel bit for casing

A

Adjust the time in relation to the

penetration rate and the length

of the rod

File: 159332107.xls.ms_officeSheet: Prod_DrillingPage 11 of 16



12/16

LONG-HOLEPRODUCTIVITY CALCULATION OF PRODUCTION DRILLING

7.0 - Typical row 1.254 mm

Breakthrough Number Hole # Length yes=1, no=0 Setup Casing of rods Drilling Breakthrough Casing Positioning

15 1 1 12.7 62.1 0.9 0.0 1.1 15 1 1 12.7 62.1 0.9 0.0 1.2 15 1 1 12.7 62.1 0.9 0.0 1.3 0.0 0.0 0.0 0.04 0.0 0.0 0.0 0.05 0.0 0.0 0.0 0.06 0.0 0.0 0.0 0.07 0.0 0.0 0.0 0.08 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0

10 0.0 0.0 0.0 0.011 0.0 0.0 0.0 0.012 0.0 0.0 0.0 0.013 0.0 0.0 0.0 0.014 0.0 0.0 0.0 0.015 0.0 0.0 0.0 0.016 0.0 0.0 0.0 0.017 0.0 0.0 0.0 0.018 0.0 0.0 0.0 0.019 0.0 0.0 0.0 0.020 0.0 0.0 0.0 0.021 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.023 0.0 0.0 0.0 0.024 0.0 0.0 0.0 0.0

25 0.0 0.0 0.0 0.0

45 3 1 186.2 2.7 0.0 4.

Hole diameter (mm)Length of rods (m)

0

Average product

Number of drill rig displacements on the same row

Drilling time (min) Disp

Enter the required number of displacements of the drill rig

on the same row.

The displacement time between rows is already included

in the calculations.

File: 159332107.xls.ms_officeSheet: Prod_DrillingPage 12 of 16



13/16

LONG-HOLEPRODUCTIVITY CALCULATION OF DROP RAISE DRILLING

1.0 - Calculation of the average drilling time per rodProduction Reaming

54 102

0.4 0.41.5 2.4

0.4 0.8

0.5 0.5

1.4 2.0

0.7 0.8

average drilling time per rod 4.9 6.9 min/rod

1.2

average time per drilled meter 54 mm 4.1 minutes/drilled meter102 mm 5.8 minutes/drilled meter

2.0 - Casingmin

0.4

1.5

2.0

0.8

minutes/casing 4.7

7.0 - Typical drop raise drilling

1.26

Breakthrough # setups Number Casing Number

# holes Diam (mm) yes=1, no=0 Length /row of rows yes=1, no=0 of rods Drilling Bre

16 54 1 96 3 5 0 82.7 405.1

4 102 1 24 2 2 0 20.7 142.6

120 5 7 547.7


length of the rod (m)

Drilling

Insert casing


Loosen the rod

DIAMETER (mm)

Store the rod

Insert the rod

Change of rod

Hole cleaning/rod

Drilling time/rod

Length of rods (m)Length of holes (m)

Drillin

Average prod

Total number of additional displacements of the dr

3

Only big diameter hole drilling.

If pilot holes are required before drilling the big diameter,

these will have to be added to the first line.

Enter the total number of additional displacements of the drill rig on all the

rows.

The displacement time between rows is already included in the

calculations.

Adjust the

penetratio

of the rod


14/16

LONG-HOLEPRODUCTIVITY CALCULATION OF ANCHOR CABLE DRILLING

1.0 - Calculation of the average drilling time per rod 3.0 - Hole bmin

0.41.50.40.5

1.4

0.7

4.0 - Pivoti

average drilling time per rod 4.9 min/rod

length of the rod (m) 1.2average time per drilled meter 4.1 min/drilled m

5.0 - Movinchang

2.0 - Casingmin

0.4 average time1.52.0

0.8 6.0 - Movinor on

minutes/casing 4.7

DrillingInsert casing


M

Store the rod

Loosen the rod


Drilling time/rodInsert the rod

Change of rodHole cleaning/rod

Adjust the time in relation to the

penetration rate and the length

of the rod

File: 159332107.xls.ms_officeSheet: Cable_DrillingPage 14 of 16



15/16

LONG-HOLEPRODUCTIVITY CALCULATION OF ANCHOR CABLE DRILLING

7.0 - Typical row1.2

54 mm

Breakthrough Number Hole # Length yes=1, no=0 Setup Casing of rods Drilling Breakthrough Casing Positionin

1 5 0 1 4.3 21.2 0.0 0.0 12 5 0 1 4.3 21.2 0.0 0.0 13 5 0 1 4.3 21.2 0.0 0.0 14 5 0 2 4.3 21.2 0.0 0.0 15 5 0 2 4.3 21.2 0.0 0.0 16 5 0 2 4.3 21.2 0.0 0.0 17 0.0 0.0 0.0 0.08 0.0 0.0 0.0 0.09 0.0 0.0 0.0 0.0

10 0.0 0.0 0.0 0.0

11 0.0 0.0 0.0 0.012 0.0 0.0 0.0 0.013 0.0 0.0 0.0 0.014 0.0 0.0 0.0 0.015 0.0 0.0 0.0 0.016 0.0 0.0 0.0 0.017 0.0 0.0 0.0 0.018 0.0 0.0 0.0 0.019 0.0 0.0 0.0 0.020 0.0 0.0 0.0 0.021 0.0 0.0 0.0 0.022 0.0 0.0 0.0 0.023 0.0 0.0 0.0 0.024 0.0 0.0 0.0 0.0

25 0.0 0.0 0.0 0.0

26 0.0 0.0 0.0 0.0

30 0 2 127.4 0.0 0.0 7

Dis

Number of drill rig displacements on the same row

0

Average produc

Length of rods (m)

Drilling time (min)

Hole diameter (mm)

Enter the required number of displacements of the drill rig

on the same row.

The displacement time between rows is already included in

the calculations.

File: 159332107.xls.ms_officeSheet: Cable_DrillingPage 15 of 16



16/16

3rd drillin level or UPPER LEVEL

2nd drilling sub-level

1st drilling sub-level

Drop raises

Typical Long-Hole Stope

LOWER LEVEL

File: 159332107.xls.ms_officeSheet: DrawingPage 16 of 16


7/22/201312:19 AM

Productivity Long-Hole

Documents

Transcript of Productivity Long-Hole