Mining Costs Calculator Cost p Process
Best
Benefits
Ranking 1
Mine XYZ
$1.50
$7.99
$19.00
$19.00
Efficient
$3.59
$3.59
Automated Drills
$1.60
$1.60
Big Stopes
$1.16
$1.16
Efficient
$6.38
$6.38
Big Stopes
$4.58
$4.58
Large & Uniform O/B
$0.30
$0.30
Short Distance
$1.49
$1.49
400 feet Vertical Distance
$2.12
$2.12
One Central Crusher
$1.69
$1.69
Large Tonnage & Automated System
$3.39
$3.39
Upholes w/ Electric Hydraulic Drills
$0.07
$0.07
Electrical Distribution
Mining Centered Around 3000 ft
$3.33
$3.33
Heating & Ventilation
Mine Has Ice Stopes
$0.73
$0.73
Process W ater
Concentrated Mining
$0.25
$0.25
Supply Handling
Ramp Access
$1.76
$1.76
U/G Upkeep
Ramp Access
$1.96
$1.96
Dry Mine & Paste Fill
$0.98
$0.98
Surf. Ore Ore & Rock
Rail Cars to Mill Loaded fro from a Chute
$0.11 .11
$0.11
Surface Services
9000 tpd
$0.38
$0.38
Plnt Safety and Security
9000 tpd
$0.41
$0.41
Mine Management & O/H
9000 tpd
$5.56
$5.56
I km from the mill
$0.88
$0.88
Operating Development Cost per foot Ore tons per foot of dev't C & F Mining ITH LCD Blasting Mucking & 2nd Blast Backfill Diamond Drilling Track Tram Truck Haulage Crush & Conveying Hoisting Compressed Air
Drainage and Pumping
Surf. Ore Transportation
$1,597.60
Use "Development" Sheet
200.0 Post Pillar
Mine Mine XYZ XYZ Mini Mining ng Co Cost st =
$69. $69.70 70
r Ton g n i k n a R
N/A
Worst
Issues
Ranking 10
$9.25
1
$49.00
Narrow row Ve Vein
1
$5.76
Less Effi fficie cient
1
$3.50
Manual Dril rills
1
$2.19
Smal mall Stopes
1
$12. $12.00 00
Less Less Eff Effiicien cientt
1
$7.29
Smal mall Stopes
1
$1.42 1.42
Small mall & Comp Comple lex x O/B O/B
1
$2.21
Long Distance
1
$4.8 $4.80 0
1000 1000 fee feett Vert Vertic ical al Dis Dista tanc nce e
1
$3.78 3.78
Mul Multipl tiple e Crus Crushe hers rs
1
$7.8 $7.86 6
Small Small Tonna Tonnage ge & Manu Manual al Syste System m
1
$0.4 $0.48 8
Down Downho hole les s w/ w/ ITH ITH Dril Drills ls
1
$9.7 $9.79 9
Mini Mining ng Cent Center ered ed Arou Around nd 6000 6000 ft
1
$2.0 $2.01 1
All All Air Air Hea Heate ted d by by Nat Natur ural al Gas Gas
1
$0.9 $0.92 2
Widel Widely y Spa Space ced d Mini Mining ng Fro Front nts s
1
$7.25
Shaft Ac Access
1
$6.32
Shaft Ac Access
1
$2.9 $2.91 1
Wet Mine Mine & Hy Hydrau drauli lic c Fil Filll
1
$2.05 $2.05
Trucks Trucks to to Mill Mill Loaded Loaded with with a Fronte Frontend nd Loader Loader
1
$1.43
2000 tpd
1
$1.20
2000 tpd
1
$15.11
2000 tpd
1
$4.65
60 km km fr from th the mi mill
per ton
DEVELOPMENT UNIT COST CALCULATION 21-Nov-12
LABOUR COST INPUT PARAMETERS Average base hourly rate W .C.B. rate Fringe benefits rate Overtime Bonus Operating labour cost per shift
Mine: Drift type: width: height:
$26.50 0% 138% 10% 45.0% $621.16
Advance per day day Direct m/s per day
XYZ Typical 16 16
25.6 0.93
Rock qty: Perf.:
Cost/ft $665.53 Unit $
jums an f bltr ventilation water line air line drain line pc4 rd p
tons / ft ft / MS
7.0 ft 7.5 m/s (including mucking round, haulage, ground support)
DIRECT COSTS Operating Labour cost
wall bolts back bolts screen
ft ft
Ground support - rebar bolt 6' complete - rebar bolt 8' complete - screen No.6 guage Consumables - jumbo drill steel and bits - ANFO powder - Fuse & acc. - bolter steel and bits Services - vent tube 40" rigid - victaulic pipe 2" complete - victaulic pipe 4" complete - victaulic pipe 4" complete - power cable, 4/0 - roadbed material - pump, $6000 ea / 1000 ft
6 8
Units/ft
$11.14 ea $14.19 ea $12.60 /s / sheet
required
- Tools & misc. allowance at
Cost/ft
2.50 2.25 0.00
$27.84 $31.92 $0.00
$0.28 $0.24 $2.33 $0.49
/f/ft /lb /hole /ft
53 52.5 4.8 33.0
$14.84 $12.44 $11.18 $16.17
$42 $42.35 .35 $3.03 $5.83 $5.83 $12.95 $0.86 $8.95
/ft /ft /f t /f t /f t /f/ft /c /cu ft /f t / ft
1 1 1 1 0 10.6 1
$42.35 $3.03 $5.83 $5.83 $0.00 $9.12 $8.95 $0.00
5% of the above
$9.47 $198.97
Sub Total - Waste and/or rework
10%
$19.90 Total Supplies
Equipment operating and maintenance costs Hrs/ Hrs/ro roun und d
- Jumbo - Anfo Loader - Kubota - Scissor truck/bolter Muck - ST-8 Retr Retram am - ST-8 ST-8 Truck - MT MTT-444
5 3 1.5 6 4 1 0
Fuel Fuel $/ho $/hour ur
Tire$ Tire$/h /hou ourr
$2.15 $2.15 $4.32 $2.15 $29.74 $29.74 $56.74
$218.87 Mtc$/ Mtc$/ho hour ur
$0.73 $1.06 $3.40 $1.06 $17.58 $17.58 $8.79
Equi Equip$ p$/r /rou ound nd
$73.79 $22.00 $16.67 $93.72 $132.57 $132.57 $46.91
- Other service vehicles at
10% Total per round Advance per round round Equipment optg & maint.
$383.32 $75.62 $36.58 $581.56 $719.54 $179.89 $0.00 $197.65 $2,174.16 11 $197.65
INDIRECT COSTS
Tramming Crush/Conv eyor/Hoist Surface disposal Aux. Fan Power Power Compressed Air
Tons/ft 25.6 25.6 25.6 18 hrs/day 16 hrs/day
Electricians Grader Op. Construction / Nippers Supervisory / Engineering Engineering
1 0.5 2 1
Cost / ton
Cost / ft
Included above
$0.00 $0.00 2.57 hours/ft $20.00 hour
m/s per day m/s per day m/s per day m/s per day
$0.00 $0.00 $10.07 $45.71
$88.74 $44.37 $177.47 $88.74 Indirect costs
$455.11
PRIMA PRIMARY RY DEVELOP DEVELOPMEN MENT T COST COST ($/ft) ($/ft) =
$1,537 $1,537.15 .15
SECONDARY GROUND SUPPORT COSTS
Shotcrete Cable bolts
Requirement 30.0% 10.0%
$4.00 /s /sq ft $297.00 ea
units / ft 38.0 0.5
Cost / ft $45.60 $14.85
DEVELOP DEVELOPMEN MENT T COST ($/ft ($/ft)) INCL'G INCL'G SECOND SECONDAR ARY Y GROUND GROUND SUPPOR SUPPORT T=
$1,597 $1,597.60 .60
DEVELOPMENT SUPPLY AND EQUIPMENT COST CODES note: do not change any values in this sheet except except for mobile equipment code description
cost
length
GROUND SUPPORTS m6 m8 rb6 rb8 ss6 ss6 s4 s6 s6g s6g s9 s9r s9r
- mec mech. h. bolt bolt 6' c/w c/w was washe herr & nut nut - mec mech. h. bolt bolt 8' c/w c/w was washe herr & nut nut - reb rebar ar bolt bolt 6' comp comple lete te - reb rebar ar bolt bolt 8' comp comple lete te - spl split it set set bol boltt 6' 6' com compl plet ete e - screen No.4 guage - screen No.6 guage - scre screen en No.6 No.6 guag guage, e, gal galva vani nize zed d - screen No.9 guage - scr scree een n No. No.9 9 gua guage ge roll roll
cb20 cb20 - cabl cable e bolt bolt 20' install installed ed sh - shotcrete
$4.30 $5.73 $11.14 $14.19 $7.23 $16.75 $12.60 $18.02 $9.25 $35.32
ea. ea. ea. ea. ea. ea. ea. ea. ea. ea.
6 8 6 8 6
ft ft ft ft ft
$297.00 ea $4.00 / sqft
CONSUMABLES an f
- ANFO powder - Fuse & acc.
$0.24 /lb $2.33 /hole
jums jaks bltr bltr
- jumbo drill steel and bits - jackleg drill steel and bit s - bol bolte terr ste steel el and and bit bits s
$0.28 /ft $0.20 /ft $0.49 /ft
if the drift width is equal or greater than 15' jumbo drill st steel is automatically selected, else the jackleg drill steel is
SERVICES p2 p4 p6 p8 p10 p10 v30f v30f v36f v36f v48f v48f v36r v36r v38r v38r v40r v40r v48r v48r v54r v54r
-
vic victa taul ulic ic pipe pipe 2" comp comple lete te vic victa taul ulic ic pipe pipe 4" comp comple lete te vic victa taul ulic ic pipe pipe 6" sch sch 40 40 com compl plet ete e vic victa taul ulic ic pipe pipe 8" sch sch 40 40 com compl plet ete e victa victaul ulic ic pip pipe e 10" 10" sch sch 40 compl complete ete ven ventt tube tube 30" 30" flex flex.. ven ventt tube tube 36" 36" flex flex.. ven ventt tube tube 48" 48" flex flex.. ven ventt tub tube e 36" 36" rigi rigid d ven ventt tub tube e 38" 38" rigi rigid d ven ventt tub tube e 40" 40" rigi rigid d ven ventt tub tube e 48" 48" rigi rigid d vent vent tube 54" rigid, rigid, 20 guage guage
pc4 pc4 p
- power ower cabl cable, e, 4/0 - pum p, $6000 ea / 1000 ft
$3.03 $5.83 $27.05 $40.14 $46.89 $34.94 $41.63 $68.90 $29.42 $39.68 $42.35 $49.68 $64.43
/ft /ft /ft /ft /f t /f t /f t /f t /f t /f t /f t /f t /f t
$12.95 /ft $8.95 /ft
TRACK tr
- track (60lb rail)
$39.42 /ft
TROLLY LINE - KIRUNA TRUCK t ro roll
- tr trolley lili ne ne
$355.12 /ft
ROADBED MATERIAL rd
- roadbed material
$0.86 /cuft
Fan HP 30 50 100 50 75 75 150 200
kw 22.38 37.3 74.6 37.3 55.95 55.95 111.9 149.2
Cost/hr $1.57 $2.61 $5.22 $2.61 $3.92 $3.92 $7.83 $10.44
MOBILE EQUIPMENT
diesel fuel cost: power cost
$0.720 / litre $0.070 / kwhr.
litr itres / hour fuel $ / ho hour
tire$ / ho hour
main maintt$ / ho hour
Apr '99update '99update
Apr '99update '99update
1996
- JCI 125 - ST-2 - JS-220 - JCI-250 - ST-3.5 - ST-4 & 5 - JS-500 - ST-6C - JCI-600 - JCI-700M - R1600 - Toro 450D - R1700 - ST-8 - ST-8A - ST-8B - EST-8A & B
9.80 14.80 20.10 20.10 25.00 32.40 30.00 40.40 35.00 43.70 43.70 50.40 50.40 41.30 50.40 50.40 149.20
$7.06 $10.66 $14.47 $14.47 $18.00 $23.33 $21.60 $29.09 $25.20 $31.46 $31.46 $36.29 $36.29 $29.74 $36.29 $36.29 $10.44
$6.70 $6.70 $6.70 $6.70 $10.31 $10.31 $12.68 $12.68 $12.68 $12.68 $12.68 $17.58 $17.58 $17.58 $17.58 $17.58 $17.58
$97.21 $159.67 $92.11 $36.55 $112.22 $93.37 $124.99 $58.72 $135.25 $90.11 $24.17 $59.60 $47.59 $132.57 $106.06 $81.13 $231.44
$132.91 $175.52 $63.09 $72.14 $125.61 $107.93 $109.25 $81.04 $135.31 $113.28
- Kiruna K-1050 - Elphinstone AE-40 - MTT-444 - MT-444 - MT-439 - Tamrock EJC 430D truck - MT-426 - JDT-426 - JDT-420
460.00 81.40 78.80 78.80 65.60 49.90 48.50 48.50 40.00
$32.20 $58.61 $56.74 $56.74 $47.23 $35.93 $34.92 $34.92 $28.80
$8.79 $8.79 $8.79 $8.79 $8.79 $6.34 $6.34 $6.34 $5.16
$99.73 $85.56 $46.91 $60.57 $50.96 $38.43 $92.21 $96.09 $76.00
$123.17 $254.39 $39.40 $36.79 $55.05 $35.37 $42.06 $79.24 $63.70
$41.13 $46.39 $143.39 $116.45 $78.80 $276.99
Cost per round jum ss anfo anfo kub
- Jumbo - Scis Scisso sorr truck/ ck/bolter - An Anfo Load oader - Kubota
2.98 2.98 2.98 6.00
$2.15 $2.15 $2.15 $4.32
$0.73 $1.06 $1.06 $3.40
$368.94 $562.32 $66.00 $25.00
11 11 11 800
aint$ / hour 19 97 $63.26 $159.67 $75.53 $23.78 $131.22 $99.78 $135.42 $75.90 $130.91 $82.56 $51.00 $37.56 $144.00 $111.96 $87.79 $223.78 $130.93 $70.95 $39.53 $64.40 $44.59 $37.98 $92.21 $118.13 $31.44
feet x feet x feet x hours for
1998
$131.15 $108.68 $49.32 $93.21 $86.95 $114.56 $41.53 $139.58 $97.65 $24.17 $68.19 $57.62 $121.14 $100.15 $74.46 $239.09 $68.52 $100.16 $54.28 $56.74 $57.33 $38.88 $74.05 $120.56
$33.54 $51.12 $6.00 $20,000
avg per foot avg per foot avg per foot avg per year
SUPPLY COST CALCULTIONS CALCULTIONS
Updated Nov 3 2004
red figures may be updated to reflect current prices
GROUND SUPPORTS
stock code
mech mech.. bolt 6' c/w c/w wash asher & nut mech mech.. bolt 8' c/w c/w wash asher & nut
05-32 -32865 05-32 -32875
rebar bolt 6' complete
05-33170 96-69814 96-69807 06-92730 05-33260
unit cost
units
$4.30 $5.73
rebar 6' c/w dome nut resin cartridge, red resin ca cartridge, bl black domed med plates with 15/16" hole parachutes
$4.30 $5.73
$5.48 $1.29 $1.48 $1.06 $0.34
1 1 2 1 1
$5.48 $1.29 $2.96 $1.06 $0.34 $11.14
1 1 3 1 1
$6.78 $1.29 $4.45 $1.33 $0.34 $14.19
1 1
$7.23 $0.00 $7.23
cost per bolt rebar bolt 8' complete
05-33175 96-69814 96-69807 06-92720 05-33260
rebar 7' c/w dome nut resin cartridge, red resin ca cartridge, bl black domed med plates with 15/16" hole parachutes
$6.78 $1.29 $1.48 $1.33 $0.34 cost per bolt
split se set bo bolt ga galv. 6' 6' co complete
06-85903 06-85924
split pi pipe bo bolt 5' 5'6" ga galvanized washer, galvanized
$7.23 N/A cost per bolt
split set bolt 6' 6 ' complete
06-85904
split pipe bolt 5'6"
screen No.4 guage screen No.6 guage screen No.6 guage, galvanized screen No.9 guage screen No.9 guage roll
99-21013 99-21015 99-21035 99-21012 99-21017
5'x11' 5'x11' 5'x11' 5'x11' 6'x35' roll
cost
N/A
$16.75 $12.60 $18.02 $9.25 $35.32 not in stock
cost / ft
SERVICES
victaulic pipe 2" complete
80-12560 81-49950
pipe, grooved in 10' length vict coupling, sty 77 allowance for chains valves fittings
$2.22 /ft $4.13 ea
$2.22 $0.41 $0.39 $3.03
victaulic pipe 4" complete
80-12720 81-50000
pipe, grooved in 10' length vict coupling, sty 77 allowance for chains valves fittings
$4.28 /ft $7.93 ea
$4.28 $0.79 $0.76 $5.83
vict ictaulic lic pipe 6" sc sch 40 comple mplette
80-12870 81-50060
pipe, grooved, sch sch 40 vict coupling, sty 77 allowance for chains valves fittings
$22.00 /ft $15.24 ea
$22.00 $1.52 $3.53 $27.05
vict ictaulic lic pipe 8" sc sch 40 comple mplette
80-12910 81-50090 05-32865
pipe, grooved, sch sch 40 vict coupling, sty 71 mech. bolt 6' allowance for chains valves fittings
$31.67 /ft $24.16 ea $4.71 ea
$31.67 $2.42 $0.94 $5.11 $40.14
victa ictau ulic lic pip pipe 10" sch sch 40 comp comple lete te
8080-129 12960 81-50120 05-32865
pipe ipe, gro groove oved, sch sch 40 vict coupling, sty 71 mech. bolt 6' allowance for chains valves fittings
$37.00 /ft $30.26 ea 4.2975 ea
$37.00 $3.03 $0.86 $6.00 $46.89
pump, Tsurumi 15hp c/w Agitator
Misc.
pump, $8950 ea
82-52710 82-52700 82-52715 82-52732 82-52718
vict. valve 2" vict. valve 4" vict. valve 6" vict. valve 8" vict. valve 10"
1 0.1 15% cost per foot
1 0.1 15% cost per foot
1 0.1 15% cost per foot
1 0.1 0.2 15% cost per foot
1 0.1 0.2 15% cost per foot
$8,950.00 ea
$39.30 $86.42 $160.80 $277.97 $594.45
0.001
$8.95
VENTILATION VENTILATION P IPES
vent. tube 30 30" flex.
97-04790
95-63460
vent. tube 36 36" flex.
97-04795
95-63460
vent. tube 48 48" flex.
97-04810
95-63460
ducting, 30"x25' $79.82 ea 0.04 ducting replacment at 100% 84% of fan for 36" $13,280.00 ea 0.002 5/32" s.s. cable $0.33 /ft 1 allo llowance for for cou couplin ling clip clips s and misc misc.. at 5% cost per foot
$3.19 $3.19 $26.56 $0.33 $1.66 .66 $34.94
ducting, 36"x25' $91.51 ea 0.04 ducting replacment at 100% 75HP fan and size 4 starter $16,000.00 ea 0.002 5/32" s.s. cable $0.33 /ft 1 allo llowance for for cou couplin ling clip clips s and misc misc.. at 5% cost per foot
$3.66 $3.66 $32.00 $0.33 $1.98 .98 $41.63
ducting, 48"x25' $116.15 ea 0.04 ducting replacment at 100% 150HP fan and size 5 s tarter $28,000.00 ea 0.002 5/32" s.s. cable $0.33 /ft 1 allo llowance for for cou couplin ling clip clips s and misc misc.. at 5% cost per foot
$4.65 $4.65 $56.00 $0.33 $3.28 .28 $68.90
vent tube 36" rigid
97-04794
36" x10' spiral $121.00 ea 0.1 Vee Lock Coupling $31.15 ea 0.1 80% of same for 40" $12,800.00 ea 0.001 allow lowance for chains and m miis sc. at 5% cost per foot
$12.10 $3.12 $12.80 $1.40 $29.42
vent tube 38" rigid
sept/93
38" x10.5' spiral c/w coupling $248.00 ea 0.0943 90% of fan and starter below $14,400.00 ea 0.001 allow lowance for chains and m miis sc. at 5% cost per foot
$23.39 $14.40 $1.89 $39.68
vent tube 40" rigid
sept/93
40" x10.5' spiral c/w coupling $258.00 ea 0.0943 75HP fan and size 4 starter $16,000.00 ea 0.001 allow lowance for chains and m miis sc. at 5% cost per foot
$24.33 $16.00 $2.02 $42.35
vent tube 48" rigid
97-04806
48" x10' spiral $153.00 ea 0.1 Vee Lock Coupling $40.16 ea 0.1 150HP fan and size 5 s tarter $28,000.00 ea 0.001 allow lowance for chains and m miis sc. at 5% cost per foot
$15.30 $4.02 $28.00 $2.37 $49.68
vent tube 54" rigid (20 guage)
sept/93
54" I.D. 20 guage $235.00 ea 140% of fan and starter above $39,200.00 allow lowance for chains and m miis sc. at
$22.16 $39.20 $3.07 $64.43
electric cables
power cable, 4/0
$12.95 /ft
0.0943 0.001 5%
SECONDARY GROUND SUPPORTS
20 ft Cable bolt installed
05-01947 80-11760 96-44530
double cable bolt 21'x5/8" plastic hose, 3/4" grout, 20 kg bag wooden wedge Boart drill supplies & maint Bar & Arm supplies & maint Grout pump supplies & maint Drilling labour, 90' / MS Grouting labour, 20 holes / MS allo llowance for for waste ste and misc misc.. at
Shotcrete
$26.82 $0.16 $5.83 $1.00 $3.50 $2.80 $1.50 $4.69 $1.06
1 30 2 1 20 0 20 20 20 14.6 14.6% % cost per bolt
$26.82 $4.90 $11.66 $1.00 $70.00 $0.00 $30.00 $93.80 $21.20 $37.87 .87 $297.00
$4.00 /sqft
OTHERS
Track
93-30470 93-53560 93-37510 93-52000 93-52661 93-17810 11-14110
Rail, 60 lb, average 29' long Track spikes Splice bars Tie plates Track bolts Gauge rods Ties ies, fla flattted, 7"x 7"x3 3" fa face, sp spruce Supplies 20% (Oxy, Ace, tools)
$9.41 $0.98 $29.75 $4.32 $3.35 $11.75 $10.69
2 2 0.03 1 0.24 0.06 0.5 cost per foot
Trolley (Kiruna Truck)
trolley line freight customs installation transformer st station
$450.00 $15.00 $44.00 $40.00 $140,000.00
/m 0.328084 /m /m 0.328084 /m /m 0.328084 /m 0.328084 ea 0.00125 cost per foot
Roadbed material (slag)
slag
$0.86 /cuft
jumbo drill steel and bits bits jackleg drill steel and bits bits bolter bolter steel and bits
$0.28 /ft $0.20 /ft $0.49 $0.49 /ft
ANFO powder powder Fuse & acc.
$0.24 /lb $2.33 /h /hole
Consumables
05-01959
double ca cable bo bolt 30 30'x5/8"
$29.93 ea.
$18.82 $1.96 $0.89 $4.32 $0.80 $0.71 $5.35 $6.57 $39.42 $147.64 $4.92 $14.44 $13.12 $175.00 $355.12
Qty Unit $ Cost 4.5M deternator 1 $1.82 $1.82 B-line 4 $0.10 $0.40 Elect. Cap & Blasting W ire Allowance $0.11 $2.33
DEVELOPMENT SUPPLY REQUIREMENT CALCULATIONS INPUT PARAEMETERS Drift size
W idth Height
drill method (jumbo or jackleg) advance per round ANFO powde powderr factor factor tonnage factor over break
16 ft 16 ft ft jumbo
face area tons / foot of advance
jumbo is used if drift is 12' or greater 11 0.63 lbs. lbs.// ft ft of of dri drill ll hole INPU INPUT T VA VARIAB RIABL LES (ma (may be cha changed) 11 cu.ft / ton TABLE VALUES (may be changed) 10%
282 sq ft 25.6 tons / ft
Note: This routine r outine assumes that any drift widths equal to or greater greater than 12' are driven driven by a jumbo, otherwise otherwise jackleg NUMBER OF BLAST HOLES
Height W id idth 16 16 Reference 11 11 Number of drill holes 53 method:
jumbo
height
Drilled Holes Footage Required =
7 29 29 29 30 32 33 34 35 36
Number of back bolts per 8' of screen s creen advance advance Back bolts per foot of advance No. of screens per 8' of screen advance Screens per foot of advance Back Bolt Quantity required =
Drift Hei ht feet
12
13
14
15
16
39 40 41 43 44 45 47 48 49
41 42 43 45 46 47 49 50 51
42 43 44 46 47 48 50 51 52
44 45 46 48 49 50 52 53 54
45 46 47 49 50 51 53 54 55
7
8
9
10
11
12
13
14
15
16
10.0 1.25 3 0.38
11.0 1.38 4 0.50
12.0 1.50 4 0.50
13.0 1.63 5 0.63
14.0 1.75 5 0.63
15.0 1.88 6 0.75
16.0 2.00 6 0.75
17.0 2.13 6 0.75
18.0 2.25 7 0.88
of
8 feet bolts / f oot of advance
7 8 9 10 11 12 13 14 15 16 17 18
bolt bolts/ s/8 8'sc 'sc 6 8 8 10 10 12 14 16 16 20 20 22
2.50
bolt bolts/ s/ft ft 0.75 1.00 1.00 1.25 1.25 1.50 1.75 2.00 2.00 2.50 2.50 2.75
of
6 feet bolts / foot of advance
33.0 feet / foot of advance
Explosives Quantity =
33.4 lbs. / foot of advance
Roadbed Material Volume =
Width 11 31 32 33 36 38 39 40 41 44
8.0 1.00 3 0.38
OTHERS Rock Bolt Drill Footage =
Cable Bolt Units =
10 30 29 29 30 32 34 36 39 42
6
0.88
WALL BOLTS To within 5' from base of rail.
Shotcrete Coverage =
9 29 29 29 30 32 36 36 38 41
7.0 0.88 2 0.25 2.25
Screen Quantity Required =
Average Average Fuse & Accessories Accessories =
8 29 29 29 30 32 34 35 36 37
17
47 48 49 51 52 53 55 56 57
18
48 49 50 52 53 54 56 57 58
19
50 51 52 54 55 56 58 59 60
20
51 52 53 55 56 57 59 60 61
21
53 54 55 57 58 59 61 62 63
22
54 55 56 58 59 60 62 63 64
53 feet / foot of advance
BACK BOLTS & SCREENS drift width (feet)
W all Bolt Quantity required =
6 28 29 29 30 32 33 34 35 35
6 7 8 9 10 11 12 13 14 15 16 17 18
4.8 / foot foot of adva advance nce 38 sq.ft / foot of advance 0.5 bolts per foot
at 7'x7' pattern
10.6 cu ft / foot of advance
17
19.0 2.38 8 1.00
18
20.0 2.50 8 1.00
19
21.0 2.63 9 1.13
20
22.0 2.75 9 1.13
21
22
23
24
22.0 23 24 25.0 2.75 2.88 3.00 3.13 9 10 10 11 1.13 1.25 1.25 1.38
23
56 57 58 60 61 62 64 65 66
24
57 58 59 61 62 63 65 66 67
25
59 60 61 63 64 65 67 68 69
26
60 61 62 64 65 66 68 69 70
27
62 63 64 66 67 68 70 71 72
28
63 64 65 67 68 69 71 72 73
29
65 66 67 69 70 71 73 74 75
30
67 68 69 71 72 73 75 76 77
31
68 69 70 72 73 74 76 77 78
32
70 71 72 74 75 76 78 79 80
33
71 72 73 75 76 77 79 80 81
34
73 74 75 77 78 79 81 82 83
