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In association with

Wright Engineers Ltd & Golder Associates I ;

DRAFT Report No. 3

rehminary eport on Hat Creek Openpit No. 2

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Volume II

to

ritish Columbia Hydro and Power Authority

London June 1976

LIST OF PLATES

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Plates 1 to 14

Plate 15R

Plates 16 to 46

Plate 47

Plate 48

Plate 49

Plate 50

Plate 51

Plate 52

Plate 53

Plate 54

Plate 55

Plate 56

Plate 57

Plate 58

Plate 59

Plate 60

Plate 61

Plate 62

Plate 63

Plate 64

Plate 65

Plate 66

Plate 67

- See Report No 2

- Legend of Symbols used on Geological Plans and Sections

- See Report No 2

- Section 20,000 E

- Section 22,000 E

- Sectio~n 24,000 E

- Section 45,000 N

- Section 48,000 N

- Section 51,000 N

- Section 53,500 N

- Section 55,000 N

- Section 57,500 N

- Section 60,000 N

- Section 61,500 N

- Section 63,000 N

- Isopachytes of Superficial Deposits

- Isopachytes of Total Overburden

- Contours at Base of Superficials

- Contours at Base of Volcanics

- Contours at Top of Coal

- Location of Mud Slide Areas and Road Re-Routing

- Diagram of Mining Concepts

- Surface Intercepts of the Stages of Pit Development to 2,000-ft Elevation

- Cumulative Waste Volumes v Cumulative Tonnage of In-Situ Coal (Openpit No 1 and 2)

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Plate 68

Plate 69

Plate 70

Plate 71

Plate 72

Plate 73

Plate 74

Plate 75

Plate 76

Plate 77

Plate 78

Plate 79

Plate 80

- Coal Requirements for a 3 x 750-MW Power Station, Yearly Waste Removal, Yearly Stripping Ratio (Openpit No 1 and 2)

- Cumulative Coal Requirements for a 3 x 750-MW Power Station and Cumulative Waste Removal (Openpit No 1 and 2)

- Mean Haulage Distances

- Sequence of Superficial Removal by Bucket-Wheel Excavator

- Cross-Section of Pit Superficials

- Diagrammatic Layout of Scheme for Superficial Removal by Bucket-Wheel Excavator

- Power Distribution System for Ultimate Pit

- Washability Characteristics of Typical Hat Creek Coal

- Loring Sample from Borehole No 75-74 Replotted to show Effect of Moisture

- Plan of Areas Available for Superficials, Pit Waste and Ash Disposal

- Plan of Superficials, Pit Waste and Ash Disposal - Pit to year 2020

- Plan of Superficials, Pit Waste and Ash Disposal - 600-ft Pit

- Production Cost and Uniform Selling Price

PLATE 151

LEGEND OF SYMBOLS USED ON GEOLOGICAL PLANS AND SECTIONS

sup e rf i e i a 1 s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ y!j

::.:-:.:,:.:.:-:-:.:.:.:.:-:.:.:,:,

Valcanlcs ____________.__ _ ..____._.__... ___ ____ [W?J

Marble ____ _ ________ _ _..________..._.___.____ -

Borehole on plan slth reference no. __ _ __. . __ ___. _ _ -.0’&-14

-iF- Borehole on section with relerenco no . . . .._.______ ___

Fault on plan with direction of downthrow ________. -+-

Fault on plan under volcanic5 _________________ ____ -. c --.-.-

Fault on section with direction of throw. _. _ .__. . .

Contours within area ot incrop ___.___ _ ____ ___ ___ --??‘oo----

(value in feet above datum)

Contours outside area ot incrop __..____.._..__..._ -l!Zk-

(value in feet above datum)

isopachytes (value in feet) ._ _. . _._ _ _ __ ___ _ ____ .-.A’-

ABRREVtATlONS

S5 = Sandstone Carb = Carbonaceous

Sh = Shale Cl = Clay stone

Si = SIltstone A9 = Agglomerate

c9 = Conglomerate B = Breccia

C = Coaly Bas = Basalt

PD-NCB Consultants Ltd., London.

Eng’r. Dote org. No. J. B. May 76 605ll5R

PLATE 65 .

DIAGRAM OF MINING CONCEPTS

Not to scale

SCHEME A

North

South

SCHEME B

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CUMULATIVE WASTE VOLUMES V. CUMULATIVE TONNAGE OF INSITU COAL

(OPENPIT ~0~. I 8 2)

1100 r

900

0 100 200 300 400 500

IN SITU COAL 106 5. TONS

Uponpit No. / shown to stage 8. *dOO N pit”

Opsnpir No. 2 shown to yQOr 2020, 3Syeors Nfo

PD-NCfoCoodtans Ltd. .

Eng’r. M. A.

COAL REQUIREMENTS FOR A 3 x 750 MW POWER STATtON

YEARLY WASTE REMOVAL

YEARLY STRIPPING RATIO

( OPENPIT Nos. I fi 2)

OPENPIT No PI7 STAGE

16

1 ’ I IN SITU COAL A670 Etu I ib 39% WASTE AN0 ASH ----

POWER STATION FUEL 6000 Btul lb 28*bAStt : I I

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2015 2020

I I I I I I I I I 1 2 3 4 5 6 7 8

OPENDIT Nn. 2 PIT STAGE r I 1 I I I

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CUMULATlVE COAL REQUIREMENTS FOR A 3x 750 MW POWER STATION

AND CUMULATIVE WASTE MATERIAL

( OPENPIT NOS. I 8 2)

PLATE 69

1lOC

1000

so0

800

700

600

500

400

300

200

100

600

500

3

OPENPIT No 1 PIT STAGE 1 I I I I I I I I

1 2 3 * 5 6 7 6

OPENPIT No 2 I I I I I ! PIT STAGE 1 2 3 4 5 6

YEARS

1 PD-NC9 Consultants Ltd.,

1 J.B. June 76 605/69

-

PLATE 7C

MEAN HAULAGE DISTANCES

t SUPERFICIALS I

WllHOlJf SOUTH CONVEYOR INSTALLED

I

WITH SOUTH CONVEVOR INSTALLED

1

WASTE

VOLCANICS

I I

COAL

0 I I I I I I 1 1

YEAR 1980 1935 1990 1995 2300 2005 2010 2015 2020

PIT STAGE I I I I I 1

1 2 3 I 5 6

P D-NCB&~ult.nts Ltd.

Eng’r. J. 8.

CROSS SECTION OF PIT SUPERFICIALS PIT No.2

PL ATE72

VOLUMETRIC, CENTRE . I

PIT LIMIT , I PIT LIMIT 1

SECT ION ‘AA’ I I

‘8’ . .

B PIT LIMIT PIT LIUIT

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SECT ION ‘88’

PIT LIMIT PIT LIYI 1

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PIT LIMIT

PIT LIMIT

FOR SEC 7lON IOENTlFlCATlON HORIZONTAL XALE

SEE PLATE 71 VERTICAL SCALE

PD NC~o~;~;u ltantr Ltd,

OPENPIT No. 2

D I AGR AMMATIC LAYOUT OF SCHEME FOR SUPERFICIAL REMOVAL

BY BUCKET WHEEL EXCAVATOR

direction

high dump /

advance

bucket wheel -w /.- --~

excavator _ -

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PLATE 74 _ -__.- - _ c.

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POWER DISTRI8UTION SYSTEM FOR ULTIMATE PIT

,, 60 k V INCOMING ” AND METERING

6 HVA 60112.5 kV ( 3 TRANSFORMERS) 6 MVA 6014.12 II V ( 2 TRANFORMERS )

O.H. LINE

” LF----------

I

1 ---- -x1 --1 * I SHf’iEL (5)

I CONVEYOR ----- I X-’ I

’ FOR INCLUSION

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CONVEYOR X-l ----- I

IF BWE IS USED

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LIGHTING I FEEDER BWE

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----- AJXILIARES STATION

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CONYEYOR

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+ c SHOYEL (S) DRILL (S)

L!GHTIYGI FEEDER AUX:LIARES STATION y BENCH CABLE A

4

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SHOVEL (5) DRILL (5) ii ?

Si!OVEL (5.) % i FEEDER

AUXILIARIES STATION d

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SHOVEL (S) DRILL (S) WASTE DUMP ,

IN PIT CONVEYOR +I I,

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IN PIT CONVEYOR I I

IN PIT CONVEYOR

-+ I

WASTE SLEWING BOOM CONVEYOR CONVEYOR CONVEYOR

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IN PIT CONYEYOR

IN FIT CONVEYOR-----jtl s I

AJ++ IN PIT CONVEYOR

IN PIT CONVEYOR --++-I $ “, ;

; i 2 ,--& IN PIT CONVEYOR

IN PiT CONVEYOR --+--I I

LX--I PD-NCBCC~~ultontr Ltd.

PLATE t!

WASHABILITY CHARACTERISTICS OF A TYPICAL HAT CREEK COAL

BOREHOLE No 75-74

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SPECIFIC GRAVITY OF FLOATS CuMUlAtlvE CV OF FLOATS IO’ BTU/lb

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SPECIFIC GRAVITY OF FLOATS CUMULATIVE CV ff FLOATS IO’ BTU/lb 4 % 2 o- w

-% \ 20-

N.C.B. SAMPLE MINUS 'l4i1-1 P

0" -- -- LORING SAMPLE MiWS ‘12 jn

LO -

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l- a NOTE: ALL FIGURES ARE ON ii 60 -

I A DRY BASIS

2. too+ c

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10 20 30

CUMULATIVE ASH IN FLQA7S”/o

LORING SAMPLE FROM BOREHOLES El2 75-74

REPLOTTED TO SHOW EFFECT OF MOISTURE

. PLATE 76 ,

40 - XB

4 35- 0 I- \ v 0” 30- ‘\XA

$2 ‘\.X C a 25 - \ P

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A=ASSUMED ROM (PD-NCB) 1%

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5 10 - c -x -ASSUMED BOILER FEED (DCA)

s-

0 I I I I I I I 0 1 2 3 4 5 6 ? 8 9 10 II 12 13

CALORIFIC VALUE IO’ BTU/lb

(4

loo/o ASH

UNWASHED

22.4% ASH

WASHED TO

IS% ASH WASHERY

REJECTS

FEED TO

BOILERS

EFFECT OF VARIOUS DEGREES OF WASHING

PD-NC? Cyvultants Ltd.

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PRODUCTION COST AND UNIFORM SELLING PRICE

(Uninflated 1975 prices)

PLATE 80

-.-. aDEHP/r Nat

- VPENPll N-2

15

5

0

1950131 2 b 6 8 1990191 2 4 6 8 200011 2 4 6 6 2010111 2 4 6 8 2020121

YEAR

PD NCBLvnyouAt.ants Ltd