~pD=NC6 Consuttants Limited

In association with

Wright Engineers Ltd & Golder Associates

Report No.2

Preliminary Report on Hat Creek Openpit No.1

Volume II

to

British Columbiti Hydra and Power Authority.

London March 1976

LIST OF PLATES

Plate 1 -

Plate 2 -

Plate 3 -

Plate 4 -

Plate 5 -

Plate 6 -

Plate 7 -

Plate 8 -

Plate 9 -

Plate 10 -

Plate 11 -

Plate 12 -

Plate 13 -

Plate 14 -

Plate 15 -

Plate 16 -

Plate 17 -

Plate 18 -

Plate 19 -

Plate 20 -

Plate 21 -

Plate 22 -

Plate 23 - Construction Schedules

Section 19,000 E

Section 19,500 E

Section 20,000 E

Section 20,500 E

Section 77,000 N

Section 78,000 N

Section 79,000 N

Section 80,000 N

Section 80,500 N

Section 81,500 N

Isopachytes of Superficial Deposits

Contours at Base of Superficial Deposits

Isopachytes of Total Overburden

Contours at Top of Coal

Legend of Symbols used on Geological Plans and Sections

Location of Mudslides, Creek Diversion and Road Re-Routing

Stages of Pit Development to 1,500-ft Elevation (Surface Intercepts)

Proposed Bench Arrangement using 150-ton Trucks and Working Bench Overall Slope

Main Incline Conveyor and Haul Road Arrangement

Cumulative Volumes of Waste versus Cumulative Tonnage of In situ Coal

Coal Requirements for a 3 x 750-MW Power Station - Yearly Waste Removal - Yearly Stripping Ratio

Cumulative Coal Requirements for a 3 x 750-MW Power Station and Cumulative Waste Removal

Plate 24 -

Plate 25 -

Plate 26 -

Plate 27 -

Plate 28 -

Plate 29 -

Plate 30 -

Plate 31 -

Plate 32 -

Plate 33 -

Plate 34 -

Plate 35 -

Plate 36 -

Plate 37 -

Plate 38 -

Plate 39~ -

Plate 40 -

Plate 41 -

Plate 42 -

Plate 43 -

Plate 44 -

Plate 45 -

Plate 46 -

Mean Haulage Distances

Total Drilling Hours

Total Shovel Hours

Total Truck Hours

Machinery Requirements

Schematic In-Pit Breaker Feeder Transfer Station

Schematic Line Diagram of Proposed Stockpiling Arrangement

Proposed Conveyor - Stockpile and Waste Dump Layout

Conceptual HT Power Distribution - Ultimate Pit

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

Plan of Superficials, Pit Waste and Ash Disposal Areas - 1,500-ft Pit

Schematic Line Diagram of Proposed Waste Disposal Scheme

Shops and Warehouse

Change House

Administration Building

Core Shed

Senior Staff Camp

Work Force Camp

Corporate Overhead Rates

Variation of Production Cost with Instantaneous Stripping Ratio

Production Cost and Uniform Selling Price (Uninflated, 1975 prices)

Opportunity Values for Coal and Lignite

Variation of Break-even Stripping Ratio with Production Cost at Various Selling Prices

LEGEND OF SYMBOLS USED ON GEOLOGICAL PLANS AND SECTIONS

coal ................................................................................... Suprrficlal doposils .........................................................

Borehole on plan with reference no. . . . I---... (g 11-u

74 -64

Borcholc on s~ctlon with refrrcncr no. _____._._________._.

-k

Fault on plan with direction ot downthrow .._........... -. -k

.-

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

Contours within orea ot incrop . .._______________.................~ --,‘“o----

(value in fret obow datum)

Contours outside area of incrop ..,..............,......,......... - -=Z--

Cvolue In feet above datum)

Isopaehytcs (volur in feet) .__....,_,_.___._______..__............._ b

ALWREWATIOUS

ss = Sandstone

Sh = Shale

SI = Slltstono

co = Conglomorote

C = C0oly

Corb = Corbonacrrous

Cl = Claystone

A9 = Agglomerate

Br = Bnccla

BOS = Basalt

PLATE 28

MACHINERY REQUIREMENTS

I

‘9 TRUCFS

35 .

SCHEMATIC IN PIT BREAKER FEEDER TRANSFER STATION

I--- ,20’ BENCH

PLATE 29

I BENCH

Section

BE NC”

Plan

AF

L

-

1 W. Y. /April 76 j 605f29

SCHEMATIC LINE DIAGRAM OF PROPOSED STOCKPILING ARRANGEMENT

r

PLATE 30

PO-NCB Consultants Ltd London.

Eng’r. VI. Y.

PROPOSED CONVEYOR - STOCKPILE AND WASTE DUMP LAYOUT

I sa.aoan

---- ---

PD-NCB Consultmta Ltd., London

. ---, - --

CONCEPTUAL H.T. POWER DISTRIBUTION - ULTlMAlE PIT

60 K”. OYER”UD LlHE

60 KY ISOLATOR

50 is” c.c.a’s

TWO TR*N5FORMERS THREE TRlWSFoRYERS 5.000 I(“* I 60 WV 17.1 WV 5,030 ix”. I 60 Ilrlr(-lb I(”

6.16 I” O.C.8.‘5

I-LM,C as

SCHEMATIC LINE DIAGRAM OF PROPOSED WASTE DISPOSAL SCHEME

SWlNGlllO ConYEYoR WI,” CRlVLER YOU” MOBILE SPRE*DERS

\

-A- _

WlS,C DVWP AREA

GRD”“O “OPPER FOOR S”PL”flCl*U

PD-NC~o~bultonts Ltd.

Eng’r. Dote. Drg. No w. Y. April 76 605/35

WAREHOUSE

PLATE 42

CORPORATE OVERHEAD RATES

0 10 20 30 ‘0 SO 60 70 60 90 IO0 910 120

c WER

UNINFLATED DIRECT COSTS OF PRO,CCT rIncL. EHGlNCERlYG 1

- $ MILLIONS -

VARIATION OF PRODUCTION COST

WITH INSTANTANEOUS STRIPPING RATIO

13.6 /I

PLATE 41

PRODUCTION COST AND UNIFORM SELLING PRICE

(Uninflated, 1975 prices)

From Tables XXIV and XXV

PLATE 45

OPPORTUNITY VALUES FOR COAL AND LIGNITE

3.0 r

40

80

20

10

0

PLATF 16

VARIATION OF BREAK-EVEN STRIPPING RATIO

WITH PRODUCTION COST AT VARIOUS SELLING PRICES

2

PO-NCB Consultants Ltd