Post on 28-Mar-2020
~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