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1

INTERCADE

CONSULTANCY & TRAINING

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GESTION DE COSTOS

EN PLANTAS

DE PROCESAMIENTO

DE MINERALES

1

Mgtr. Amador Soto GallufeConsultor Intercade

2

Mgtr. Amador Soto Gallufe – Consultor Intercade

REPORTE DE CENTRO DE COSTOS

CONCENTRADO TOTALMOROCOCHA

ESTE MES - MILES DE S/.

100004 DICIEMBRE 1983

AÑO A LA FECHA - MIL

ACTUAL PRESUP.VAR. 0/0VARIACIONPRESUP.ACTUAL

PLANTA TUNGSTENO

LABOR8,802.0 7,451.4 1,350.60 18.120 82,379.1

831.6369.6

1,201.2

84,648.6

9,842.415,652.066.33544.1820.2276.1162 ,593.1162 110,036.220.2802,978.3D14,6080.817,659.1172,435.5125,688.215.7002,434.2D15,501.017,935.2

18,520.213,836.033.860525.0D1,550.52,075.54, 726.89,144.7290.9301,193.7D410.31,604.0

23,247.032,980.787.6501,718.7D1,960.83,679.5

130,798.851,629.749.585,405.010,899.95,494.925,832.441,849.0107.0302,387.5D2,560.54,618.0

156,631.293,478.722.983,017.513,130.410,112.9309,256.8353,621.2223.86058,220.2D26,006.384,226.5

746,219.1689,349.194.77060,706.2D64,049.9124,756.1

746,219.1389,349.194.77060,706.2D64,049.9124,756.123,304.0

746,219.1712,653.1117.26075,110.2D64,049.9139,160.114,404.0 14,404.0D

DIARIACOMBUSTIBLES

PETROLEO INDUSTRIALPETROLEO DIESELTOTAL

MATERIALES

MATERIALES

TALLERES

CONTRATISTAS

TOTAL DE LINEA

DISTRIBUIDOSUB-TOTAL

VARIACION PRECIO FIJOTOTAL NETO

PRODUCCION

GENERALREACTIVOSTOTAL

TOTAL

TOTAL

SERVICIOSALQUILER DE EQUIPOVARIOS - SERVICIO

MANTENIMIENTO

19 - 800 - 560RAFA0014

31/12/83


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31 / 12 / 83 MOROCOCHA

ACTUAL PRESUP. VARIACION VAR.0/0 ACTUAL

102005

PRESUP.

ESTE MES

PLANTA TUNGSTENO

REPORTE DE PRESUPUESTOS POR AREAS DE RESPONSABILIDAD

*** EN MILES DE SOLES ***

*************** **************************

CENTRO DE COSTO

MOLIENDA Y JIGGING 85814.3 28147.0 57667.3 D 204.87 D 383425.1 334818.0FLOTACION PLTA. TUNGSTEN 24794.1 23073.8 1720.3 D 7.45 D 173445.6 261222.3CONCENT. POR GRAVEDAD 9657.9 7289.2 2368.7 D 32.49 D 73548.2 86122.2SEPARACION 4327.3 4309.4 17.9 D .41 D 51350.3 49487.4MEZCLA Y EMBAL 162.5 1230.5 1068.0 86.79 7580.1 14569.2

TOTAL BRUTO 124756.1 64049.9 60706.2 D 94.77 D 689349.3 746219.1

TOTAL NETO 139160.0 64049.9 75110.1 D 117.26 D 712653.3 746219.1

TOTAL NETO 139160.0 64049.9 75110.1 D 117.26 D 712653.2 746219.1

LABOR 8802.0 7451.4 1350.6 D 18.12 D 82379.1 84648.6COMBUSTIBLES 1201.2MATERIALES GENERALES 17935.3 15501.0 2434.3 D 15.70 D 125688.2 112435.5SERVICIOS/MISCEL 3679.5 1960.8 1718.7 D 87.65 DF 32980.8 23247.0MANTENIMIENTO 10112.8 13130.4 3017.6 22.98 93478.7 156631.2CONTRATISTAS 84226.5 26006.3 58220.2 D 223.86 D 353621.2 309256.8

TOTAL BRUTO 124756.1 64045.9 60706.2 D 94.77 D 689349.2 746219.1DISTROBUIDO

VARIACION PRECIO FIJ 14403.9 14403.9 D 23304.0

DISTRIBUIDOSUB-TOTAL 124756.1 64049.9 60706.2 94.77 D 689349.6 746219.1

SUB-TOTAL 124756.1 84045.9 60706.2 D 94.77 D 689349.2 746219.1

VARIACION PRECIO F IJ 14403.9 14403.9 D 23304.0

ELEMENTOS DE COSTO

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PRESUP.ESTE MES

PLANTA TUNGSTENO



*************** *************** ***********

CENTRO DE COSTO

TRANSPORTE DE RELAVES 85814.3 28141.0 57667.3 D 204.87 D 383425.1 334818.0

TOTAL BRUTO 85814.3 28141.0 57667.3 204.87 D 383425.1 334818.0

TOTAL BRUTO 85814.3 28147.0 57667.3 D 204.87 D 383425.0 334818.0

TOTAL NETO 85814.3 28141.0 57667.3 204.87 D 383425.1 334818.0

TOTAL NETO 84814.3 28147.0 57667.3 D 204.87 D 383425.0 334818.0

LABOR 24.3

SERVICIOS/MISCEL 2075.5 1550.5 525.0 D 33.86 D 796.9 18520.2

24.3 D

MANTENIMIENTO 126.5 590.2 463.7 78.56 24553.7 7041.0CONTRATISTAS 83588.0 26006.3 57581.7 D 221.41 D 352632.9 309256.8

DISTRIBUIDO

DISTRIBUIDO

SUB-TOTAL 85814.3 28141.0 57667.3 204.87 D 383425.1 334818.0

SUB-TOTAL 85814.3 28147.0 57667.3 D 204.87 D 383425.0 334818.0

VARIACION PRECIO FIJ.

VARIACION PRECIO FIJ.

ELEMENTOS DE COSTO


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RAFAS0 1431 / 12 / 83 MOROCOCHA



AÑO A LA FECHA - MILES

PRESUP.

MOLIENDA Y JIGGING



TRANSPORTE DE RELAVES

LABORDIARIA 24.3 24.3 D 796.9

SERVICIOSALQUILER DE EQUIPO 2,075.5 525.0D 23,836.0

717.71,550.5 33.86D 18,520.2

VARIOS - SERVICIOTOTAL 2,075.5 525.0D 24,553.71,550.5 33.86D 18,520.2

MANTENIMIENTOMATERIALES 44.1TALLERES 82.4 30.8 3,124.4TOTAL 126.5 590.2 78.56 7,041.0

TOTAL DE LINEA 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0

DISTRIBUIDOSUB TOTAL 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0

VARIACION PRECIO FIJO

TOTAL NETO 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0

PRODUCCION

CONTRATISTAS 83,588.0 57,581.70 352,632.928.006.3 221.41D 309,256.8

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PRESUP.

PLANTA DE TUNGSTENO



MOLIENDA Y JIGGING

LABORDIARIA 24.3 24.3 D 796.9

SERVICIOSALQUILER DE EQUIPO 2,075.5 525.0D 23,836.0

717.71,550.5 33.86D 18,520.2

VARIOS - SERVICIOTOTAL 2,075.5 525.0D 24,553.71,550.5 33.86D 18,520.2

MANTENIMIENTOMATERIALES 44.1TALLERES 82.4 30.8 3,124.4TOTAL 126.5 590.2 78.56 7,041.0

TOTAL DE LINEA 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0DISTRIBUIDOSUB TOTAL 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0

VARIACION PRECIO FIJO

TOTAL NETO 85,814.3 57,667.3D 383,425.028,147.0 204.87D 334,818.0

PRODUCCION

CONTRATISTAS 83,588.0 57,581.70 352,632.928.006.3 221.41D 309,256.8


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102005 DICIEMBRE

PRESUP.ESTE MES

FLOTACION PLANTA TUNGSTENO

REPORTE DE PRESUPUESTOS POR AREAS DE RESPONSABILI DAD

*** E N MILES DE SOLES ***

*************** *************** ***********

CENTRO DE COSTO

FLOTACION PLTA. TUNGSTENO

TOTAL BRUTO 24794.2 173445.623073.8 1720.4 D 7.45 D 261222.3DISTRIBUIDO

DISTRIBUIDO

SUB-TOTAL 24794.2 173445.623073.8 1720.4 D 7.45 D 261222.3

SUB-TOTAL 24794.1 173445.723073.8 1720.3 D 7.45 D 261222.3

VARIACION PRECIO FIJ. 14130.8 23085.314130.8 D

VARIACION PRECIO FIJ. 14130.8 23085.314130.8 D

BOMBAS 1104.1 15086.1CICLONES DESLAMACORE 1158.3 2425.4CELDAS 68.7 4095.2CANALES/CAJONES/TUB. 151.9 2030.9OPERACIONES 22311.2 149808.0

24794.2 173445.623073.8 1720.4 D 7.45 D 261222.3

TOTAL NETO 38925.0 196530.923073.8 15851.2 D 68.69 D 261222.3

LABOR 3548.8 28622.1739.2

2809.0 739.8 D 26.33 D 31906.2COMBUSTIBLESMATERIALES GENERALES 17588.0 113076.614680.8 2907.2 D 19.80 D 162593.1SERVICIOS/MISCEL 977.2 977.2 DMANTENIMIENTO 2680.1 23623.45584.0 2903.9 52.00 66723.0

TOTAL BRUTO 24794.1 173445.723073.8 1720.3 D 7.45 D 261222.3

TOTAL NETO 38924.9 196531.023073.8 15851.1 D 68.69 D 26122.3

ELEMENTOS DE COSTO

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PRESUP.

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LABORDIARIA 3,548.8 28,662.1 31,906.22,809.0 739.80 26.33D

COMBUSTIBLEPETROLEO INDUSTRIAL 369.6PETROLEO DIESEL 369.6TOTAL 739.2

MATERIALES

MATERIALES 2,181.2 17,046.2 58,880.44,906.7 2,725.5 55.54

GENERALES 113.7 3,225.1113.7DREACTIVOS 17,474.3 109,851.4 162,593.1TOTAL 17,588.0 113,076.5 162,593.114,680.8 2,907.2D 18.80D

SERVICIOSVARIOS - SERVICIOS 977.2 7,384.4977.2DMANTENIMIENTO

TALLERES 498.9 6,577.2 7,842.6677.3 178.4 26.33TOTAL 2,680.1 23,623.4 66,723.05,584.0 2,903.9 52.00

TOTAL DE LINEA 24,794.1 1173,445.6 261,222.323,073.8 1,720.3D 7.45D

DISTRIBUIDOSUB TOTAL 24,794.1 173,445.6 261,222.323,073.8 1,720.3D 7.45D

VARIACION PRECIO FIJO 14,131.0 23,085.014,131.0DTOTAL NETO 38,925.1 196,530.6 261,222.32 3, 073.8 1 5, 85 1.3 D 68.69D

PRODUCCION 61,542.0 681,589.0 756,000.063,000.0 1,458.0D 2.31D


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MOROCOCHA

MOROCOCHA

ACTUAL

ACTUAL

PRESUP.

PRESUP.

VARIACION

VARIACION

VAR.0/0

VAR.0/0

ACTUAL

ACTUAL

102005

102005

DICIEMBRE 1983

DICIEMBRE 1983



PRESUP.

PRESUP.

PLANTA DE TUNGSTENO

PLANTA DE TUNGSTENO






CONCEPT. POR GRAVEDAD

LABOR

LABOR

DIARIA

DIARIA 1,530.9 115.70 15,840.6 16,048.21,415.2 8.170

3,548.8 28,662.1 31,906.22, 809 .0 739. 80 26.33DCOMBUSTIBLE

MATERIALES

MATERIALES 3,147.4 1,681.3 24,775.5 57,944.44,828.7 34.81

PETROLEO INDUSTRIAL 369.6PETROLEO DIESEL

GENERAL 5,040.4

369.6TOTAL

SERVICIOS

739.2MATERIALES

VARIOS-SERVICIOS 626,6 626,80 934.8

MATERIALES 2,181.2 17,046.2 58,880.44,906.7 2,725.5 55.54

GENERALES

MANTENIMIENTO

113.7 3,225.1113.7DREACTIVOS

TALLERES 3,714.3 2,669.00 26,316.3 12,125.81,045.3 255.33D

17,474.3 109,851.4 162,593.1TOTAL

TOTAL 6,861.7 987.705,874.0 16.81D

17,588.0 113,076.5 162,593.11 4, 680 .8 2,90 7.2D 18. 80 DSERVICIOS

CONTRATISTAS 638.6 638.60 638.6

VARIOS - SERVICIOS 977.2 7,384.4977.2DMANTENIMIENTO

TALLERES 498.9 6,577.2 7,842.6677.3 178.4 26.33TOTAL 2,680.1 23,623.4 66,723.05,584.0 2,903.9 52.00

TOTAL DE LINEA 24,794.1 1173,445.6 261,222.323,073.8 1,720.3D 7.45D

DISTRIBUIDOSUB TOTAL 24,794.1 173,445.6 261,222.323,073.8 1,720.3D 7.45D

VARIACION PRECIO FIJO 14,131.0 23,085.014,131.0DTOTAL NETO 38,925.1 196,530.6 261,222.32 3, 07 3.8 1 5, 85 1.3 D 6 8. 69 D

PRODUCCION

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CONCENT. POR GRAVEDAD



*************** *************** ***********

CENTRO DE COSTO


TOTAL BRUTO 9658.0 73548.27289.2 32.49 D 86122.22368.8 D

LABOR 1530.9 15840.65040.4

1415.2 8.17 D 16048.2115.7 D

TOTAL BRUTO 9658.0 73548.22368.8 D7289.2 32.49 D 86122.2

TOTAL NETO 9728.7 73211.77289.2 32.46 D 86122.22439.5D70.7D

CONTRATISTAS 638.6 638.6638.6 D

TOTAL NETO 9728.7 73211.72439.5 D7289.2 32.49 D 86122.2

ELEMENTOS DE COSTO

SUB-TOTAL 9658.0 73548.27289.2 32.49 D 86122.22368.8 D

SERVICIOS/MISCEL 626.8 934.8

SUB-TOTAL 9658.0 73548.22368.8 D7289.2 32.49 D 86122.2

CLAS. FAJA 109.9 5818.1

DISTRIBUIDO

MATERIALES GENERALES

DISTRIBUIDO

VARIACION PRECIO FIJ 70.7 336.5-

MANTENIMIENTO 6861.7 51093.8987.7 D5874.0 16.81 D 70074.0

VARIACION PRECIO FIJ 70.7 336.5-

CLAS. CEDAZO 2180.6 17269.5CLAS. ACONDICIONADOR 94.4 193.2CLAS. CHUTES TUBERIAS 2398.4 6083.6CLAS. OPERACIONES 810.2 2301.5ESPIR. HUMPHREYS 234.9 4209.3ESPIR - CELDAS 174.4 1333.1

238.6ESPIR - BOMBASESPIR - DISTRIBUIDOR 392.2 5173.2ESPIR - MESAS 1566.6 14985.3ESPIR - CANALES/TUBER. 350.3 3096.4

368.6ESPIR - OPERACIONESE SP IR ALES GE NE RA LE S 1346. 1

9658.0 73548.27289.2 32.49 D 86122.22368.8 D


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PRESUP.

CONCENT. POR GRAVEDAD




LABORDIARIA 1,530.9 115.70 15,840.6 16,048.21,415.2 8.170

MATERIALESGENERALSERVICIOSVARIOS - SERVICIO 626.8 626.80 934.8

5,040.4

MANTENIMIENTOMATERIALES 3,147.4 1,681.3 24,775.54,828.7 34.81 57,944.4TALLERES 3,714.3 2,669.0D 26,318.31,045.3 255.33D 12,129.6TOTAL 6,861.7 987.7D 51,093.85,874.0 16.810 70,074.0

TOTAL DE LINEA 9,658.0 2,368.8D 73,548.27,289.2 32.49D 86,122.2

DISTRIBUIDOSUB TOTAL 9,658.0 2,368.8D 73,548.27,289.2 32.49D 86,122.2

VA RI ACI ON PRE CI O F IJO 7 1. 0

TOTAL NETO 9,729.0 2,439.6D 73,211.27,289.2 32.49D 86,122.2

PRODUCCION

CONTRATISTAS 638.6 638.6D 638.6

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102306

PRESUP.ESTE MES

SEPARACION

REPORTE DE PRESUPUESTOS POR AREAS DE RESPONSABILIDAD*** EN MILES DE SOLES ***

*************** *************** ***********

CENTRO DE COSTO

SEPARACION MAGNETICA

TOTAL BRUTO 4327.3 51350.417.9 D4305.4 -41 D 49487.4

LABOR 3698.0 37119.5462.0

470.8 D3221.2 14.58 D 36694.2

TOTAL BRUTO 4327.3 5350.317.9 D4309.4 -41 D 49487.4

TOTAL NETO 4529.7 51905.6220.3 D4305.4 5.11 D 49487.4

CONTRATISTAS

TOTAL NETO 4529.7 51905.5220.3 D4309.4 5.11 D 49487.4

ELEMENTOS DE COSTO

SUB-TOTAL 4327.3 51350.417.9 D4305.4 -41 D 49487.4

MATERIALES GENERALES 184.8 186.1

SUB-TOTAL 4327.3 5350.317.9 D4309.4 -41 D 49487.4

PRIM - SEPARADORES 375.8 8238.3525.0

DISTRIBUIDO

COMBUSTIBLES

DISTRIBUIDO

VARIACION PRECIO FIJ 202.4 202.4 D

MANTENIMIENTO 444.5 349.8637.71082.2 58.92 12793.2

VARIACION PRECIO FIJ 202.4 555.2202.4 D4309.4

PRIM - CLASIFICADORESPRIM - SECADORA 184.8 2166.4

1661.5610.8

PRIM - CEDAZOPRIM - TANQUESPRIM - TUBERIAS 68.7 1183.1PRIM - OPERACIONES 3658.0 36965.3

4327.3 51350.417.9 D4305.4 -41 D 49487.4


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PRESUP.

SEPARACION



SEPARACION MAGNETICA

LABOR 3,698.0 37,119.5

462.0

3,227.2 14.580 36,694.2470.80DIARIA

COMBUSTIBLEPETROLEO INDUSTRIALMATERIALESGENERAL

REACTIVOS 189.8 184.8184.8DTOTAL 184.8 186.1

1.3

184.8DMANTENIMIENTOMATERIALES 122.2 7,403.8687.5 565.3

TOTAL DE LINEA 4,327.3 51,350.34,309.4 .410 49,787.417.9D

DISTRIBUIDOSUB TOTAL 4,327.3 51,350.34,309.4 .410 49,487.417.9D

VARIACION PRECIO FIJO 202.0 555.0202.0D

TOTAL NETO 4,529.3 51,905.34,309.4 5.100 49,487.4219.9D

PRODUCCION

TALLERES 322.3 5,829.1394.7 18.34 4,543.272.4TOTAL 444.5 13,232.9

349.81,082.2 58.92 12,793.2637.7

CONTRATISTAS

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MOROCOCHA

MOROCOCHA

ACTUAL

ACTUAL

PRESUP.

PRESUP.

VARIACION

VARIACION

VAR.0/0

VAR.0/0

ACTUAL

ACTUAL

102005

102005

DICIEMBRE 1983

DICIEMBRE 1983



PRESUP.

PRESUP.

PLANTA DE TUNGSTENO

PLANTA DE TUNGSTENO



REPORTE TUNGSTENO


SEPARACION

MESCLA Y EMBAL.

LABOR

MATERIALES 162.5 820.2 657.7 80.18 7,385.2 9,842.4

DIARIA 3,698.0 37,119.5 36,894.2

462.0

4 70 .8 0 1 4. 58 D3,227.2

GENERAL

COMBUSTIBLE

SERVICIOS

TOTAL DE LINEA 162.5 1,230.5 1,068.0 86.79 7,580.2 14,569.2

PETROLEO INDUSTRIALMATERIALES

VARIOS - SERVICIO 410.3 410.3 100.00 107.8 4,726.8

GENERAL

MANTENIMIENTO

REACTIVO 184.8 184.81.3

184.8D

MATERIALES 87.2

TOTAL 184.8 184.8DMANTENIMIENTOMATERIALES 122.2 7,403.8 8,250.0565.3 82.22687.5

DISTRIBUIDO

TALLERES 322.3 5,829.1 4,543.272.4 18.34394.7

SUB-TOTAL 162.5 1,230.5 1,068.0 89.79 7,580.2 14,569.2

TOTAL 444.5 13,232.9 12,753.2349.8

637.7 58.921,082.2CONTRATISTAS

TOTAL DE LINEA 4,327.3 51,350.3 49,487.417.90 .41D4,309.4

DISTRIBUIDOSUB TOTAL 4,327.3 51,350.3 49,487.417.90 .41D4,309.4

VARIACION PRECIO FIJO 202.0 555.0202.0DTOTAL NETO 4,529.3 51,905.3 49,487.4219.9D 5.10D4,309.4

PRODUCCION


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PRESUP.ESTE MES

MESCLA Y EMBAL.



*************** *************** ***********

CENTRO DE COSTO

MEZCLA Y ENVASE

TOTAL BRUTO 162.5 1230.5 1068.0 86.79 14569.27580.1

MATERIALES GENERALES 162.5 820.2 657.7 80.18 9842.4

TOTAL BRUTO 162.5 1230.5 1068.0 86.79 14569.27580.2

TOTAL NETO 162.5 1230.5 1068.0 86.79 14569.27580.1

TOTAL NETO 162.5 1230.5 1068.0 86.79 14569.27580.2

ELEMENTOS DE COSTO

SUB-TOTAL 162.5 1230.5 1068.0 86.79 14569.27580.1

MANTENIMIENTO

SUB-TOTAL 162.5 1230.5 1068.0 86.79 14569.27580.2

CILINDROS 162.5 7384.6

DISTRIBUIDO

SERVICIOS/MISCEL 410.3 410.3 100.00 4726.8107.887.2

DISTRIBUIDO

VARIACION PRECIO FIJ

VARIACION PRECIO FIJ

OPERACIONES - ENVASEMANIPULEO 30.9

162.5 1230.5 1068.0 86.79 14569.27580.1

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PRESUP.

MESCLA Y EMBAL.



MEZCLA Y ENVASE

MATERIALESGENERAL 162.5 820.2 657.7 80.18 7,385.2 9,842.4

SERVICIOSVARIOS - SERVICIO 410.3 410.3 100.00 107.8 4,726.8

MANTENIMIENTOMATERIALES 87.7

TOTAL DE LINEA 162.5 1,230.5 1,068.0 86.79 7,580.2 14,569.2

DISTRIBUIDOSUB TOTAL 162.5 1,230.5 1,068.0 86.79 7,580.2 14,569.2VARIACION PRECIO FIJO

TOTAL NETO 162.5 1,230.5 1,068.0 86.79 7,580.2 14,569.2

PRODUCCION


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1.0 TABLE OF CONTENTS 1.0 TABLE OF CONTENTS (cont’d)

Page

10.0 PRIMARY CRUSHING AND COARSE ORE STORAGE (cont’d)

11.0 FINE CRUSHING AND FINE ORE STORAGE

12.0 GRINDING, FLOTATION, THICKENING AND FILTERING

11.0-1

10 . 7

11 . 1

12 . 1

11 . 1-1

12 . 1-1

12. 0 -1

Scope and System Description


A)

A)

General

General

Electrical Interlocks 10 . 7 - 110 . 8

11 . 2

12 . 2

11 . 2-1

12 . 2-1

Operating Factors

Operating Factors

B)

B)

Control Station

Control Station

Pre-Startup Equipment and System Checks 10 . 8 - 110 . 9

11 . 3

12 . 3

11 . 3-1

12 . 3-1

Electrical Power Supply

Electrical Power Supply

C)

C)

Startup

Startup

Equipment Trial Runs (No Load) 10 . 9 - 110 . 10

11 . 4

12 . 4

11 . 4-1

12 . 4-1

Electrical Controls

Electrical Controls

11 . 5

12 . 5

11 . 5-1

12 . 5-1

Instrumentation

Instrumentation

11 . 6

12 . 6

11 . 6-1

12 . 6-1

Protective Relays

Protective Relays

11 . 7

12 . 7

11 . 7-1

12 . 7-1

Electrical Interlocks

Electrical Interlocks

11 . 8

12 . 8

11 . 8-1

12 . 8-1

Pre - Startup Equipment and System Checks

Pre - Startup Equipment and System Checks

11 . 9 11 . 9-1Equipment Trial Runs (No Load)11 . 10 11 . 10-1Plant Startup, Operation and Shut-down

D)

D)

Operation

Operation

E)

E)

Shut-down

Shut-down

P lan t St ar tup, Ope rat ion and Shut -dow n 10 . 10 - 1

1. 0

2. 0

TABLE OF CONTENTS

Page

INTRODUCCION

1. 0 -1

2. 0 -1

3. 0 -1

4. 0 -1

4. 0 -14. 0 -14. 0 -5

5. 0 -1

5. 0 -15. 0 -25. 0 -25. 0 -25. 0 -3

6. 0 -1

7. 0 -1

7. 0 -17. 0 -3

8. 0 -1

9. 0 -1

10. 1 -1

10. 1 -110. 2 -110. 3 -110. 4 -110. 5-110. 6-1

REFERENTES

PROJECT DESCRIPTION

IDENTIFICATION SYSTEM

ABREVIATIONS AND TERMS

ELECTRICAL CONTROL AND INSTRUMENT

PLANT ELECTRICAL POWER SUPPLY SYSTEM

PLANT WATER SUPPLY AND DISTRIBUTION SYSTEM

FEATURES AND DEFINITIONS

PRIMARY CRUSHING AND COARSE ORE STORAGE

2 . 1 O bjeti ve

General

2. 2

4. 2

5. 2

7. 2

10. 2 Operating Factors

10. 4 Electrical Controls

10. 6 Protective Ralays

Terms and Definitions

Engineering C lassifications

Scope

Process

2. 3

4. 3

5. 3 Drawing Identification5. 4 Equipment Identification5. 5 Specification Identidication

Presentation

Plant Operating Factors

3. 0

4. 0

5. 0

6. 0

7. 0

8. 0

9. 0

10. 0

1 . 0 -1 1 . 0 -2

18


1.0 TABLE OF CONTENTS (cont’d)1.0 TABLE OF CONTENTS (cont’d)

12.0 14.0

15.0

16.0

17.0

TAILINGS DISPOSAL

PROCESS SAMPLING

ANCILLARY FACILITIES

DRAWING

13.0

12. 914. 1

15. 1

16. 1 16. 1 - 1

16. 2 16. 2 - 1

16. 3 16. 3 - 1

16. 4 16. 4 - 1

See Section 17 for Drawing Index

14. 1 - 1

15. 1 - 1

15. 0 -1



Plant Air Systems

Instrument Air System

Fire Protection System

Sewage System

14. 2

15. 2

14. 2 - 1

15. 2 - 1

Operating Factors

Operating Factors

14. 3 14. 3 - 1Electrical Power Supply14. 4 14. 4 - 1Electrical Controls14. 5 14. 5 - 1Instrumentation14. 6 14. 6 - 1Protective Relays14. 7 14. 7 - 1Electrical Interlocks14. 8 14. 8 - 1Pre - Startup and System Checks14. 9 14. 9 - 1Equipment Trial Runs (No Load)14. 10 14. 10 - 1Plant Startup, Operation and Shut-down

13 - 1 13 - 1 - 1Scope and System Description13 - 2 13 - 2 - 1Operating Factors13 - 3 13 - 3 - 1Electrical Power Supply13 - 4 13 - 4 - 1Electrical Controls13 - 5 13 - 5 - 1Instrumentation13 - 6 13 - 6 - 1Protective Relays13 - 7 13 - 7 - 1Electrical Interlocks13 - 8 13 - 8 - 1Pre-Startup and System Checks13 - 9 13 - 9 - 1Equipment Trial Runs (No Load)13 - 10 13 - 10 - 1Plant Startup, Operation and Shut-down

1 2. 1 0 .1 G en er al

12. 9 - 1

12. 10 - 1

Equipment Trial Runs (No Load)12. 10

12. 10 .2

12. 10 . 3

12. 10 . 4

12. 10 . 5

A)

A)A)

A)

A)

A)

General

GeneralGeneral

General

General

General

B )

B )B )

B )

B )

B )

Control Stations

Control StationsControl Stations

Control Stations

Control Stations

Control Stations

C )

C )C )

C )

C )

C )

Startup

StartupStartup

Startup

Startup

Startup

D )

D )D )

D )

D )

D )

Operation

OperationOperation

Operation

Operation

Operation

E )

E )E )

E )

E )

E )

Shut-down

Shut-downShut-down

Shut-down

Shut-down

Shut-down

1 . 0 - 3 1 . 0 - 4

First and Second Stage Grinding

Flotation

Regrind

Thickening and Filtering

12. 10 - 1

12. 10 - 1

12. 10 - 9

12. 10 - 13

12. 10 - 17

13 . 0 - 1

Plant Startup, Operation and Shut-down

GRINDING, FLOTATION, THICKENING AND FILTERING(cont’d)

REGENT PROCESSING, STORAGE AND DISTRIBUTION

Page Page


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4.0 PROJECT DESCRPTION

4.2 PROCESS (cont’d)

d) Fine Crushing and Fire Ore Storage

This portion of the plant extends from ore reclain from the coarse orestockpile through the fine ore crushing plant and the belt conveyor

discharge of the crushed ore to the fine storage pile.

e) Grinding and Flotation

This portion of the plant extends from ore relclaim from the fine orestorage pile through grinding, flotation and filtration and the discharge ofthe filtered concentrate to trucks and the tailings to the final tailingssump.

f) Reagent Processing, Storage and Distribution

This portion of the plant starts with the receipt of the reagents fromcommercial sources by truck, the off-loading, handling, storing, mixing,distribution system and discharge of the reagent to the process.

Reagents used are:

Z-11 (Xanthate) and Z-200 (dithiophosphate) used as collectors.

Lime and sodium cyanide (NaCN) used as modifiers.

D – 200 used as frother

S-127 used as a f locculant

Filter aid

S-352 (scale inhibitor) for addition to reclain water to prevent depositionof mineral hardness in pipes and tanks.

g) Tailing Disposal

This portion of the plant extends from the final tailings sump receivingtailings from flotation through the tailings t hickener to the dumping of thetailings to the Mantaro River.

4.0 PROJECT DESCRPTION (cont’d)

4.2 PROCESS (cont’d)

h) Process Sampling

Manual sampling is employed in the dry ore crushing and storageportion of the process plant. Automatic slurry samplers are used in theremaining portion of the process plant. Various slurry sample streamsare monitored for Cu, Fe and pulp density by an on-stream X-rayanalyzer.

22



4.3 PLANT OPERATING FACTORS

These factors are the basic design parameters for the process plant.Factors relating to a specific area are included in the instructions for thatarea.

Design Capacity

Run of mine oreAnnual, stpy 3,500,000Daily average, st pd 10,000

Copper ConcentrateAnnual, stpy 224,000Daily average, stpd 640

TailingsAnnual, stpy 3,276,000Daily average, stpd 9847US GPM 2098.4

Run of Mine Ore Characteristics

The ore contains massive and disseminated chalcopiryte as the oremineral. Gange is primarily pyrrhotite with some quartz. Associatedminerals include arsenopyrite and other sulfides are present in traceamounts.

Specific gravity 3.63Moisture content 4.0% average

Bulk density 180 Ibs/cu ftAbrasive nature ExtremeSize Consist:

Size, in.

-36-24-12-6-4-1

-1

+36+24+12+6+4+1 ½

½ +1+1/2-1/2

%

0193119712336

Cum. % Retained.

019506976889194100


4.3 PLANT OPERATING FACTORS (cont’d)

Crushing Work Index 14.0Copper Average Grade Hea 1.8%

Copper Concentrate Charcteristics:

Copper Recovery 91%Grade 25.4% CopperMoisture Content 10%Solids Specific Gravity 4.1Slurry Specific Gravity 1.964Particle Size 80% Minus 325 MeshPulp Density (Tyler)

Tailings Charcateristics (Thickener Underflow)

Percent Solids 50Solids Specific Gravity 3.6

Pulp Density 1564 g/l


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5.0 IDENTIFICATION SYSTEM

5.1 PLANT AREAS

00 Yard and General Drawings, i.e. Flow Sheets,DataSheets, Standard and Site and PlotPlans

01 Mine

02 Primary Crushing and Coarse Ore Storage

03 Fine Crushing and Screening

04 Fine Ore Storage

05 Grinding and Flotation

06 Tailings Disposal

07 Reagent Processing, Storage and Distribution

08 Change House

09 Township and Community Services

10 Offsite Facilities (Huancayo)

11 Machine Shop

12 Welding Shop

15 Instrument Shop

16 Light Vehicle Repair Shop

17 Electrical Shop

18 Shop and Warehouse Building

19 Employee Services Building

21 Sample Preparation

5.0 IDENTIFICATION SYSTEM (cont’d)

5.2 ENGINEERING CLASSIFICATIONS

00 Process and General

10 Mechanical

21 Sructural, Granding and Yard Facilities

22 Structural, Concrete and Masonry

23 Structural, Steel

24 Structural, Architectural

30 Electrical

40 Instrumentation

50 P iping

5.3 DRAWING IDENTIFICATION

Drawing are identifies by Plant Area, Engineering Classificationand Sequential Number.

5.4 EQUIPMENT IDENTIFICATION

Equipment is identified by Plant Area, Engineering Classification andSequential Number.

Example:

Plant Area

Engineering Classification

Sequential Number

02 10 001

24


5.0 IDENTIFICATION SYSTEM

5.4 EQUIPMENT IDENTIFICATION (cont’d)

Specification are identified by a Letter Code and Sequential Number.

Letter Codes:E ElectricalGS GeneralI InstrumentationM MechanicalP Piping

Example :

5.5 SPECIFICATION IDENTIFICATION

12 - 30 - 056

Plant Area

Engineering Classification

Sequential Number

M - 16

Letter Code

Sequential Number


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7.0 ELECTRICAL AND INSTRUMENTCONTROL FEATURES AND DEFINITIONS

7.1 GENERAL CRITERIA

Unless stated otherwise, the following general criteria applies to allcontrols and instrumentation for this project.

The basic concept is for remote central control of process equipment.All central control consoles (CC) are vertical, free standing withannunciators, indicating lightsm start-stop pushbuttons, selectorswiches and related instrumentation. Analog instruments are mountedon control panels (CP) and arranged that all devices are readily

accessible for inspection, trouble-shooting and maintenance. Controlpanel instrument are bassically of three types: controllers, indicatorsand recorders; each of wich is indetified by a laminated plasticnameplate showing tag number and service. All nameplates are in theSpanish language. Where semi-graphics are used, status lights will

show the operating status of major electrically driven equipment.

Control panels and control consoles are provided in the control roomsfor the following areas:

Area Nº Services Panel Nº

All electrical drives have a local “Start-Stop” push-button station withlockout device on the stop push-button for safety. Jurisdiction forlocal/remote operation is selected at the central control panels throughlocal/remote selector switches.

Groups od electrically operated equipment are electrically interlockedfor shutdown purposes so that stopping any equipment in the groupstops the preceding or upstream equipment feeding it.

02

03

05

Primary Crushing andCoarse Ore Storage

Fine Crushing andScreening

Grinding and Flotation

CC - 2

CP – 3

CP-5M/5FCC-5MCC-5F

7.0 ELECTRICAL AND INSTRUMENTCONTROL FEATURES AND DEFINITIONS (cont’d)

7.1 GENERAL CRITERIA (cont’d)

This prevents burying equipment at tranfer points. The main interlockstream has many safety interlocks. These include: low lube oilpressure, emergency conveyor safety stop pull cords alongside

conveyor walways, conveyor tail pulley low-speed switches andplugged chute switches.

Local “Test” pushbuttom bypass interlocks. All interlocks areinstantaneous unless stated otherwise.

Signal levels for this project are.

Analog Instruments - 4-30 ma d.c.Alarms - 24 V d.c.

Counters - 24 V d.c.Solenoid Valves - 120 V-60 Hz

All controllers, recoders and indicators are electronic type utilizing a 4to 20 milliampere direct current signal range.

All conveyors are equipped with zero speed switches and emergencystop pull cord switches.

A start-up warning horn system is provided for each belt conveyor,crusher and primary grinding mill motor. The horn gives a 10-20second warning before the equipment can be started.

Colors for indicating lights in control panels are standarized as follows:

Red - Equipment runningAmber - Caution

Green - Power on (equ ipment stopped)White - Position indicationBlue - Level indication

26


7.0 ELECTRICAL AND INSTRUMENTCONTROL FEATURES AND DEFINITIONS

7.2 TERMS AND DEFINITIONS

Terms used throughout the electrical controls descriptions and thestart-up procedures are defined as follows:

Unless otherwise described on the individual description sheets, start-stop controls will mean a “start” pushbutton a nd a “stop” pushbutton ofthe momentary contact type, wich will have to be depressedmomentarily to either start or stop the equipment.

A colored light which comes or glows when a given condition exists.

An electrical contact which prevents operation out of sequence so thatif the equipment stops, preceeding equipment is automatically shut offand has to be restarted in proper sequence.

All motor control circuits have a current overload element. On high

motor currents, the overload element will open the “O/L” contact andstop the motor.

A device to stop equipment such as a conveyor if it is not running atthe required speed. The speed switch will usually have a time delayrelay incorporated in the circuit that will allow the conveyor orequipment, when started, to reach the operating speed before itbecomes effective.

A horn that will sound for approximately 10-20 seconds after the“Start” button is depressed to warn personnel that the equipment is

about to start. The equipment will start at the end of the horn warningsignal.

Start-Stop Controls

Indicating Light

Interlock

Overload (motor)

Speed Switch

Equipment Starting Warning Horn

7.0 ELECTRICAL AND INSTRUMENTCONTROL FEATURES AND DEFINITIONS (cont’d)

7.2 TERMS AND DEFINITIONS

A switch mounted on conveyors actuated by a pull-cord which runsthe length of the conveyor.

A circuit that will prevent operation of the main circuit under abnormaloperating conditions.

A stoppage in the flow of material such as ore through a chute. Whena chute is full and material has ceased to flow through it, it is“plugged”.

To test or check that proper conditions exist prior to operation of acircuit.

Conveyor Emergency Stop Switch

Lockout Circuit

Plugged

Prove


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9.0 WATER SUPPLY AND DISTRIBUTIONSYSTEM

9.1 SCOPE AND SYSTEM DESCRIPTION

Scope of this section covers the supply of raw water from the Huaribamba Riverthrough water storage and treatment facilities; to and including the main water

storage and treatment facilities; to and including the main water supply lines tothe Concentrator Building and Twnsite, and r eclaiming of process water from theSettling Ponds 06-2701, This includes the f ollowing major components:

Sedimentation Ponds (at the Huaribamba River)Potable Water Tank 00-1203 and 00-1204

Process Water Tank 00-1202Fire Protection and Fresh Water Tank 00-1201Potable Water Sand Filters 00-5701Chlorinator Water Sand Filters 00-5701Process Water Reclaim Settling Pond 06-2701

Process Water Pumps 06-1501 thru 06-1504

Raw water from the Huaribamba River flows into three (3) settling ponds atelevation 2613 M (shown A, B & C on Dwg. Nº 00-50-023). The ponds areconnected and the piping is arraged so that al three ponds may be used, or anyone pond can be isolated for maintenance.

A concrete sump at the end of Pond C provides for a water inlet to the 16”pipeline. The 16” pipeline is routed through the mine via 51 level and then downto elevation of pipeline terminates and provides the following system branches:

12 inch main to to the Fire Protection and Fresh Water Tank 00-1201 and

Process Water Tank 00-1202. 12 inch lines run from this main to each tank. Anto the Fire Protection and Fresh W ater Tank 00-1201.

8 inch line to the Potable Water Treament System. This is an alternate supplysource.

12 inch line providing raw w ater to the Reclain Water Settling Pond 0 6-2701. A 6inch line branches from this 12 inch line to provide raw water to the town site.

SCOPE

SYSTEM DESCRIPTION


9.1 SCOPE AND SYSTEM DESCRIPTION (cont’d)

Process water is reclaimend from Settling Pond 06-2701 by ReclaimWater Pumps 06-1501 thru 06-1504. The pumps discharge to a 12inch line delivering the reclaimed water to Process Water Tank 00-

1202.

Process water is drawn from Process Water Tank 00-1202 by gravitythrough a 12 inch line to the Concentrator Building.

Fresh water us drawn from the Fire Protection and Fresh Water Tank00-1201 by gravity through a 14 inch line to the Concentrator. Thepotable water system is normally supplied by an 8 inch branch linefrom the 14 inch line.

For details of the water system see Drawing 05-50-023, Water SupplySystem P&ID.


9.2 OPERATING FACTORS

The 16” water supply pipeline is the only source of operational water for theconcentrator complex except for short term operation from storage tanks.

System Data: Flow (GPM) Pressure (PSIG)Max Max

The water supply piping system is designed to provide for a maximum flow of5400 GPM to the concentrator complex and the townsite. Distribution of flowunder this condition will be as follows:

1. Process and service water 2420 GPM2. Fresh water for rec la im serv ice 2680 GPM3. Potable water to concentrator and townside 300 GPM

The concentrator complex is designed to reclaim and recirculate approximately2720 GPM when operating under normal conditions, at which time waterdistribution will be:

1. Process and fresh water 2420 GPM2. Potable water to concentrator and townsite 300 GPM

a. Operating Data

Water Supply toStorage Tanks00-1201 & 00-1202

Fresh Water toConcentrator

Reclain Water toConcentrator

Potable Water toConcentrator andTownsite

Service Water toTownsite

5400

2086

2678

300

300

275

275

275

60

275


9.2 OPERATING FACTORS (cont’d)The following conditions are provided for in the design of the 16”pipeline:

1. Maximum stactic pressure of 472 PSI at 2280 level.

2. Water Hammer PressuresProtection from water hammer produced when valves are closed toorapidly is provided for by relief valve PSV-0007.

3. Vacuum Conditions.Protections from vacum conditions produced when upstream valvesare closed under flow conditions is provided by Vacuum breakervalves (COFG) provided at various locations.

b. Equipment Data

Fire Protection and Fresh Water Tank 00-1201

Type Vertical, cylindricalwith cone type roof.

Dimensions(cylindrical section) 15.24 día. x 12.2 m.Construction ASTM A36, welded

Total volume 2153 cu.m.

Process Water Tank 00-1202

Type Vertical, cylindrical

with cone type roofDimensions(cylindrical section) 15.24 , m día. x 12.2 mTotal volume 2153 cu. M

Potable Water Tanks 00-1203 and 00-1204

Type Vertical, cylindricalwith concrete type roof

Dimensions(cylindrical section) 6.1 m día. x 5.5 mConstruction ASTM A36, weldedTotal volume 144 cu. m


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9.0 WATER SUPPLY AND DISTRIBUTION SYSTEM

9.2 WATER SUPPLY AND DISTRIBUTION SYSTEM

Sand Filter 00-5701

Manufacturer Chromalloy American Corp.Type Dual, automatic backwashModel Nº 42SSF-5DACapacity gpmNominal 300Maximum 372

Potable Water Chlorinator 00-5702Manufactured Water ChlorinatorType Vacuna opera ted , so lut ion f eedControl Manual set , thence auto contro l

Chlorine supply Two (2) 150 Ib gas cylinders complete with flowindicator –regulator and auto switchover between tanks.

Booster PumpManufacturer _____________________ Type/Model Nº _____________________

DriveType _____________________ Motor hp _____________________

Reclain Water Pumps 06-1501 thru 06-1504

Manufacturer Coulds Pumps, Inc.Type Vertical turbineModel/Size VIT/12 JMCNº stages 8Design Capacity 1000 gpm @ 468 ft TDHMotorHP 150

RPM 1770Electricalcharacteristics 440 V, 30ph, 60Hz

Motorized Backwash StrainerManufacturerTypeMotor HP ½Capacity (GPM) 3000Pressure Rating PSIG 300


9.3 ELECTRICAL SUPPLY AND DISTRIBUTION SYSTEM

Power from the main 10kV primary switchgear 2SOA (00-8301)to utilization voltage of 460 volts is supplied through unitsubstation “U6” as f ollows:

Note:

Items listed below and their functions are confined to theelectrical equipment covered under item 9.4 titled “ElectricalControls”. Items which are not pertinent are not included.

A. Unit Substation U6 (10kV-460V)

1. LocationUnit Substation U6 (06-8501) is located in electricalroom 6, south of the reclaim water settling pond.

2. FunctionsSupplies power to the following Motor Control Centerswhich are located in electrical room #6:

a) RECLAIM PUMPS MCC P6A (06-8901)b) RECLAIM PUMPS MCC P6B (06-8902

Reference Drawings:

00-30-050, Plants Electrical Distribution System

00-30-002, Single Line Diagram – Primary Power Distribution

00-30-004, Single Line Diagram – 10 kV Distribution

00-30-015, Single Line Diagram – MCC’s Nos. 7, 6ª, 6B – LimePlant-Water Reclaim

30



9.4 ELECTRICAL CONTROLS

Electrical controls for each item of equipment are as defined on thefollowing pages. Items are entered in order of increasing equipmentnumber. For start-up sequence see Section 9.8.

AREA: 06-TAILING DISPOSALEQUIPMENT NO. AND TITLE 06-1501-M, 06-1502-M, 06-1503-M

and 06-1504-M- WATER RECLAINPUMP MOTORS

EQUIPMENT LOCATION DRAWING : 06-30-001ELEMENTARY AND INTERCONNECTIONDRAWINGNO: 06-1501 (Shee ts 1 thru 6 )

P&ID DRAWING NO:

a) Power Source: 460V Reclain Pumps MCC-P6A (06-8901) andP6B (06-8902).

b) General: The water reclain system consists of a series associated

sequencing control circuitry. Sequencing is accomplisehd bymeans of a sixteen (16) step eight (8) circuit programmer and isset to “cycle” the pumps sequentially as the water level variesfrom “low level” to “high level”.

There is a time-delay of approximately ten (10) seconds betweenstart up of each motor programmed for start to avoidsimultaneous starting.

The maximum number of motors that will be permitted to run at

any one time, with the “Selector” switches in the “auto” mode isthree (3). Each motor is provided with a space heater which isactivated by its contactor when the motor is stopped.

c. Controls: Each motor is provided with an auto/manual “Selector”

switch (SS1) and a “Local” start/stop/lock-out switch (PB1). The“Selector” switches for motors 06-1501-M and 06-1502-M areinstalled in MCC-P6B. Both MCC’s are located in electrical roomNº6 (south of the “Reclaim Water Settling Pond”). In addition, tehcontrol circuit incorporates the use of a system of control relays,time delay relays, level switches and a sequencing programmer.

d. Status Indication: Status indication for each motor is provided bymeans of a “Red” running light located on its associated motorcontrol center. (When motor is stopped, light is “off”).

e. Alarms: The water reclaim system is provided with a “low level”alarm bell amber indicating light and alarm silence switch, all ofwich are located on vendor surnished panel (LSL-6016) in thevicinity of the reclaim pumps.


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f. Interlocks: Each motor is interlocked with the “low level” switchand “high-high-level” switches (LSL-6016 and LSHH-0004)respectively. In addition, each motor is interlocked through thesequencing programmer when in the “Auto” mode.

g. Start-Up. Start up may be initiated by first selecting the “Auto ormanual” mode.

In the manual mode, each pump motor may be started independently by

operating its assciated “Local” start switch (PB1). The motor will startprovided the following conditions are met:

1. Main Braker power is on.2. “Local” lock-out is removed3. Waterlevel is above “low-level” (LSL-6016 closed).4. Water level is below “high-high-level” (LSHH-0004 closed).5. All components are functioning normally.

In the “Auto” mode, each motor will start in sequence and be “cycledautomatically by the sequencing programmer provided the sameconditions as required for the “Manual”” mode above are met.

h. Shut-Down: In the “Manual” mode each motor may be shut downby operating its associated “Local” stop switch (PB1). In addition,all motors will shut down automatically and simultaneously (in themanual mode) if the water level is below the “low-level” limit orabove the “high-high-level” limit. (LSL-6016 or LSHH-0004opened.)

In the “Auto” mode, each motor will shut down (and eventually re-start)automatically and sequentially as dictated by the programmer. Inaddition, all motors will shut down automatically and simultaneously ifthe water level exceeds the “low-level” or “high-high-level” limits.

i. Instrumentation:

9.0 PLANT WATER SUPPLY AND DISTRIBUTIONSYSTEM

9.5 INSTRUMENTATION

Majorinstrumentationin this area consist of:

A. RECLAIM WATER SETTLING POND (00-2101)Makeup water is added to settling pond in order to replenish water lost toprocess. The makeup water flow is controlled by a local level controlleractuatingthe electricallyoperated makeup water valve.

FIELD INSTRUMENTS

Level sensonr element LE-6010Level transmitter LT-6010Level controller LC-6010Level control valve LV-6010

B. RECLAIN WATER PUMPS (06-1501, 1502, 1503 & 1504)

The four reclain water pumps, which deliver water to the Process Water Tank(00-1202), are controlled by level signals from the process water tank. Asequential controller, located in MCC Room # 6, controls the start/ stopsequence of each pump. All pumps will shutdown on low level in settling pondor on high-highlevel in Process Water Tank (00-1202).

FIELD INSTRUMENTS (AT SETTLING POND)

Level sensor element LE-6016Low level switch LSL-6016

LOCAL INSTRUMENTS (MCC ROOM 6)

Sequentialcontrollerfor pumps (06-1501,02,03,&04)ControlPhilosophy:

Low level: start one pump

High level: stop one pumpHigh-hives level: stop all pumps

C. PROCESS WATER TANK (00-1202)

The process water tank is equipped with a level gauge boad and a differentialpressure-type level transmiter The 4-20mA tank level signal is transmited toconcentrator room where it is recorded and annunciated for high and low levelalarmconditions.0

32



9.5 INSTRUMENTATION (cont’d)

In addition, the level signal is routed from the concentrator control room toMCC Room #6 (reclain water settling pond), where it is displayed and usedto generate the singnal for the reclaim water pump sequential control.

FIELD INSTRUMENTS (AT TANK)Level gauge board LI-0003Tank level indicator & t ransmitter LIT-0004

LOCAL INSTRUMENTS (AT MCC #6)Tank level indicator LI-0004Low level switch (star ts one pump) LSL-0004High level switch (stops one pump) LSH-0004High-high level switch (stops all pumps) LSHH-0004

CONTROL PANEL CP-5M/5FTank level recorder LR-0004H igh/ low level se tpoint swit ch LSH/L-0004Tank at low level – ligth; semi-graphicTank at high level – light; semi-graphic

CONTROL CONSOLE CC-5M/UA-5000MHigh level alarm LAH-0004Low level alarm LAL-0004

FIRE PROTECTION (AND FRESH WATER) TANK (00-1201)The fire and fresh water tank is equipped with a level gauge board and adifferential pressure-type level transmitter. The tank level signal istransmitted to concentrator control room where the tank level is recordedand annunciate for high and low level alarm conditions.

In addition, a conductivity type level switch is used to sense the tank levelsto control (open/close) motorized valve for adding river water. An electricallycontrolled valve for adding river water. An electrically controlled valve is

provided in the supply line to the fire protection tank as no instrument air isavailable.

The eigh inch diameter fire protection water line leaving the tank is eq uippedwith a flow switch. On high water flow rate, this switch will annunciate any

usage of emergency water and will also serve as a fire alarm.


9.5 INSTRUMENTATION (cont’d)

FIELD INSTRUMENTS (AT TANK)

Level gauge board LI-0001Tank level indicator and transmitter LIT-0002High/low level switch LSH/L-0005Level control valve LV-0005Flow switch FSH-0006

CONTROL PANEL CP-5M/5F

Tank level recorder LR-0002Tank at low level – light; semi-graphicTank at high level – light; semi-graphicH igh/ low level se tpoint swit ch LSH/L-0002

CONTROL CONSOLE CC-5M/UA-5000M

High level alarm LAH-0002Low level alarm LAL-0002High water flow alarm FAH-0006

POTABLE WATERTANKS (00-1203 & 00-1204)

Each Potable Water Tank is equipped with a level gauge board andan altitude type level control valve.

TANK TANKFIELD 00-1203 00-1204

Level gauge board LI-0017 LI-0019Pilot valve LV-0016 LV-0018Level control valve LCV-0016 LCV-0018

ANNUNCIATOR/ALARM SYSTEMS

The alarms for Tailings Thickener area are annunciated on UA-5400F.See drawing no. 05-40-015.

Alarm for Water Tanks are annunciated on UA-5000M. See drawing

no. 05-40-015.


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9.6 PROTECTIVE REALAYS

In general, electrical power equipment such as transformers,substations, switchgear and motor control centers are provided withprotective devices to ensure against damage to equipment and

materials in the event of electrical overload or fault conditions.

Motor control centers are provided with thermal overload relays toprotect their associated motors.

For description of transformers, substations, switchgear and motorcontrol centers, refer to Section 8.0, titled “Plant Electrical PowerSystem”

Resetting, repair or adjustment is to be performed only by authorizedalectricians.


9.7 INTERLOCKS

Electrical interlocks for each item of equipment are described inSections 9.4 and 9.5.

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9.0 PLANT WATER SUPPLY AND DISTRIBUTION

SYSTEM

9.6 START-UP

1. Filling Supply Line from Intake to Fresh Water and ProcessTanks (00-1201) and (00-1202).

Close the following valves:

a. 16” Gates at Sedimentation Ponds.b. 12” Gate to reclaim water settling ponds.c. 12” Gates either side of LV-0005 and in line strainer (00-2301)

located at fire protection and f resh water tank (00-1201).d. 8” Gates (2) to potable water and filter.e. 10” Globe valve (LV 0005 by pass)f. 8” Gate at fire protection water outlet of tank 00-1201g. 8” Gate at drain at tank 00-1201

h. 14” Gate at fresh water outlet of tank 00-1201i. 12” Glove valves (2) bye pass and fill valves for process tank 00-

1202. j. 8” Gate at drain of process tank 00-1202.

Check the inlet screen at the pipeline inlet to ensure that it is clear ofdebris, and that it is clear of debris, and that the water level and flow tothe ponds are sufficient to keep the inlet(s) completely submerged sothat vortices and air ingestion do not occur.

Filling The Line

1. Open vent valves at high points in 16” supply line

2. Open 16” flushing valve at 2280 m level to allow the water to flowto flush the line of a ny large debris that may have entered the lineduring construction.

3. Open 16” gate valve at 16” pipe inlet at 2612M level. Open to halfcapacity and flush the system. When water is free of debris closethe flush valve very slowly to ensure that water hammer does notoccur.

9.0 WATER SUPPLY AND DISTRIBUTION

SYSTEM

9.8 START-UP (cont’d)

4. When all air has vented and line is full, close all vent valves. Checkwater pressure on PI0025 at the 2280 M level (it should readapproximately 480 PSIG if line is f ull and not air locked).

5. Open the 10” globe valve wich bypasses LV 0005 and in linestrainer at the fire protection and fresh water tank 00-1201.

6. Open the 12” gate valve on line 12” FW-005-L1 at the process tank00-1202.

7. Monitor water flow into both tanks.

8. When water is flowing into both tanks and all air has been expelled,open the 12” gate valves either side of LV-0005 at the fireprotection and fresh water tank and close the 10” globe bypass andallow the tank level control system to take over automatically.

9. The process tank 00-1202 water level must be monitored and

manually controlled until it is approximately half full, at wic h time the12” globe fill valve should be closed.

10. Monitor level control on fire protection and fresh water tank 00-1201

and level indicator on process tank 00-1202 to prevent loss of waterthrough tank overflow outlets.

11. While the fire protection and fresh water tank (00-1201) andprocess tank 00-1202 are being filled in step 8 and 9 above, thebackwash strainer should be brought on line in accordance with

manufacturer’s instructions.

Filling The Subsystems.

1. Fire Protection System

Close all fire hose connection block valves in all buildings.Close all fire Hydrant valves,Close 8” gate valve on supply line to townsiteOpen 8” gate valves (3) in fire protection loop.


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e. Open the fire hydrant at the highest point in the system (to bleedair from the system as it is filled).

f. Open the 8” gate valve located at the fire protection tank and fill

the loop.

g. When water flows from the open hydrant, close it and bleed airfrom the other 14 fire hydrants, one at a time, until all air isexpelled from the loop.

h. Open each fire hose connection gate valve in each building, oneat a time, and bleed all from the fire hose connection handers.

i. The townsite fire protection must be filled using the sameprocedures as above and is filled by operaning the 8” gate valvein the 8” gate valve in the 8” line branching from the ConcentratorComplex Fire Protection Loop.

2. Fresh Water System

a. Fresh water is piped to all buildings in the concentrator complexfor hose stations, pump seal water and other uses. A 14” line fromab outlet at approximately the half full level of the fire protectionand fresh water tank supplies the system.

b. Close all valves in the fresh water distribution system.

c. Fill each fresh water supply line or loop in each building bye

opening a hose connection at the high point to bled air. Then fillthe system by opening the supply line block valves and all

headres sub-system gate valves. Bleed air from all small lines toequipment in each building to ensure that system is totally filledwith water.

d. Set all pump seal water flows and pressures in accordance withpump manufactures requirements.

e. Close pump seal water gate valve at each pump and tag “Open

Before Pump Operation”.



3. Process Water System

a. Process water (normally reclaimed water from settling ponds) is

supplied to the concentrator for reuse in Ball Mill and cyclone

process. A 12” line from the process water tank (Equip. Nº00-1202) feeds a 10” loop from wich various subsystems aresupplied.

b. Close all susbsytems block valves.

c. Open all supply line gate valves.

d. Bleed air from all subsytems until all headers and branches arefull then close all valves.

e. Tag the last valve in subsystem “Check with Process EngineerBefore Opening”.

4. Potable Water

a. The potable water system can be supplied from the 14” freshwater line to the concentrator or from an 8” line branching fromthe 16” river water line up-stream of the branching from the 16”river water line up-stream of the backwash strainer . A pressurereducing valve (PCV 0010) reduces the water pressure to 60PSIG and it is routed through sand filters Equip. Nº. 00-5701after which it is chlorinated and stored in potable water tanksEquip. Nº 00-1203 and 00-1204 located south of the concentratorat Elevation 2340 M. A 6” line from the tanks supplies theconcentrator and townsite.

b. Open the gate valves (block valves and pressure sense valves)inmediately upstream of level control valves LCV 0016 abd LCV0018 at the potable water tanks.

c. Set all valves on the potable sand filters Equip. Nº 00-5701 asdirected by manufacturers instructions.

d. Close the gate valves either side of PCV 0010.e. Open the 8” gate valve in the 8” supply line from line 14” FW-006-

LI (or alternate from 16” RW H-001-L)f. Open the 4” globe valve shich bypasses PCV 0010 and fill the

sand filters and the lines to the potable water tanks.

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g. Starts the chlorinator booster pump Equip. Nº 00-5703 and setchlorine injection as required.

h. Chlorine injection is controlled by adjusting the chlorine pressureto the eductor as required.

i. Open the gate valves (PCV 0010 bypass).

j. Close 4” globe valve (PCV 0010 bypass).

k. Monitor potable water tank level controls for proper function.

l. Close all valves in drinking water lines and toilet facility lines, in

primary crushing, fines crushing and concentrator building.

m. Open valves in high points of the potable water system and openthe gate valves which supply water ti each of the buildings in turn.When all air is bled from systems, close all valves used as vents.

n. Check that electric hot water heater is full and start heater and hotwater booster pump in accordance with manufacturersinstructions.

o. The campsite and townsite are supplied with potable water fromtwo separate 4” lines. The systems should be bled free of air andfilled using the 4” gate valves provided.

5. Reclain Water

a. The makeup water for reclaim water system settling ponds issupplied by a 12” brach line from the 16” ruver water supply linedownstream of the backwash strainer. Reclain water is suppliedto the settling ponds from the tailings thickener (Equip. Nº 06-1201) and concentrate thickener (Equip. Nº 05-1203).

b. Close the 12” gate valves either side of the settling pond levelcontrol valve LV-6010 and open the 12” gate valve at the settlingpond on line 12” RWL-004-L1.



c. Close the 6” globe valve (LV-6010 bypass).

d. Open the 12” gate valve at the 12” system supply line to fill the

system.

e. Open the 6” globe valve (bypass) and bleed air from system.

f. When all air is bled from system, open gate valves wither side of

LV 6010. Close bypass globe valve and allow LV 6010 to controlflow into settling ponds.

g. Monitor system to ensure that the level control shuts off asrequired.

h. Transfer pumps (3 in operation, 1 standby). Transfer reclain waterfrom the settling ponds to the process water tank up to amaximum of 3000 rpm when called for by the level transmitter(LT0004) on the process water tank.

i. Open the 8” gate valves at the outlet of all 4 pumps, and the 2”gate valve to the air release valve . Start three (3) pumpssequentially and clear all air from the line to the process watertank

j. Monitor pressure on PI’s 6011, 6012, 6013, 6014 and 6015.Check that level control transmitter (LT 0004) controls pumpsshut down as required.

k. Test the 4th standby transfer pump-

l. When all four pumps are shut off, check taht 8” checks valves atpump outlest are closing and reatining water in the 12” line.

5. Service Water to Townsite.

a. Service water to the townsite is provided by a 6” branch line fromthe 12” (makeup water ) supply line to the reclain water settlingponds.


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12.0 GRINDING, FLOTATION, THICKENING ANDFILTERING

12.1 SCOPE AND SYSTEM DESCRIPTION

SCOPE

Scope includes that portion of the plant extending from reclaiming of the

crushed ore from the Fine Ore Stockpile 04-6001, through grinding,flotation and filstration, and load-out of the filtered concentrate cake totrucks and the tailings to the Final Tailings Sump 05-2721.

This portion of the plant includes the following components, generallylisted in order of process f low.

Equipment is listed under the headings of: Fine Ore Reacliming andPrimary Grinding, Flotation, Regrinding and Thickening and Filter forease of reference.

Fine Ore Reacliming and Primary Grinding.

Fine ore reaclaiming and primary grinding consist of two identicalcircuits. Equipment numbers are listed for b oth circuits, with the numbersfor circuit B in brackets.

Belt Feeders 04-0706 through 04-0703(04-0704 through 04-0706)Ball Mill Feed Belt Conveyor 04-0602 (04-0603)Belt Scale 04-4501 (04-4502)Ball Mill, First Satge 05-0201 (05-0202)Cyclone Feed Sump, First Stage 05-2701 (05-2702)Cyclone Feed Pump, First Stage 05-1501 and 1561(05-1505 and 1562)

Hydrocyclone Cluster, First Satge 05-0501 (05-0502)

Cyclone Feed Sump, Second Satge 05-2705 (05-2706)Cyclone Feed Sump, Second Stage 05-1503 abd 1563(05-1504 and 1564)Hidrocyclone Cluster, Second Stage 05-0505 (05-0506 )

Ball Mill, Second Stage 05-0203 _(05-0204)Conditioner Tank 05-1201 (05-1202) with Agitator 05-2001 (05-2002)

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12.0 GRINDING, FLOTATION, THICKENING AND

FILTERING


Flotation

Rougher and scavenger flotation consist of two identical circuits.Equipment numbers are listed for both circuits whit the numbers forcircuits with the numbers for circuit B in brackets.

Rougher Feed Sump 05-2711 (05-2712)Rougher Feed Pump 05-1507 and 05-1508 (05-1542 and 05-1543)Flotation Cells, Rougher 1; 05-2601 through 05-2606(05-2607 through 2612)Flotation Cells, Rougher 11; 05-2615 through 2622(05-2623 through 2630)Scavenger Feed Sump 05-2730 (05-1557)Scavenger Feed Pumps 05-1556 and 05-1558 (05-1557)Flotation Cells, Scavenger 1; 05-2633 through 2640(05-2648 through 2648)Flotation Cells, Second Cleaner 05-2682 through2688Feed Sump, First Cleaner 05-2719Vertical Feed Pumps, thrid cleaner 05-1517 and05-1518Flotation Cells, Third Cleaner 05-2692 through 2695

Regrind

Regrind consist of two identical circuits. Equipment numbers are listedfor both circuits with the number for Circuir B in brackets.

Regrind Collection Sump 05-2722Regrind Transfer Pumps 05-1540, 05-1541 and 05-1570Static Distributor Regrind Feed Sump 05-1602Regrind Cyclone Feed Sump 05-2713 (05-2714)Regrind Cyclone Feed Pump 05-1505 and 1565 (05-1506 and 1566)

Cyclone Cluster Regrinding 05-0509 (05-0510)Regrind Ball Mill 05-0205 (05-0206)



Thickening and FilteringFinal Concentrate Sump 05-2726Final Cincentrate Pump 05-1519 and 05-1520Concentrate Thickener 05-2101Concentrate Thickener O’Flow Sump 05-2728Concentrate Thickener U’Flow Pumps 05-1521 and 05-1522Static Distributor Filter Feed 05-1601Concentrate Filter 05-2301 and 05-2302Vacuum Receiver 05-1401 and 05-1402Filterate Pump 05-1524 and 05-1525Vacuum Pumps 05-1536 and 05-1537Separator Silencers 05-4001 and 05-4002Concentrate Scavenger I sump 05-2727Concentrate Scavenger 1 pumps 05-1550 and 05-1551Total Concentrate Scavenger Sump 05-2729Total Concentrate Scavenger Pumps 05-1554 and 05-+1555Blowers for Drum Filters 05-2905 and 05-2906

SYSTEM DESCRIPTION

Fine Ore Reclaiming and Primary Grinding

Fine ore reclaiming and primary grinding consists of two identical circuits.

The following description is typical for either circuit.

Ore is reclaimed from the fineore storage stockpile by three variablespeed belt feeders, discharging material onto a belt conveyors whichconveys the ore to a first-stage grinding ball mill. A belt scale is installedon the conveyor for feed control and to continuosly measure the flow rateand total tonnage of material being fed to the grinding circuit.

Primary grinding is performed in two stages. The first stage ball mill is inclosed circuit with a bank of hydrocyclone classifiers. First stage classifier

overflow reports to the discharge sump of the second stage mill, which isalso the feed sump for the second stage cyclone.

The second stage mill discharge and the overflow from the first stagehydrocyclone report to a bank of second stage hydrocyclones in closed

circuit with a second stage grinding mill. Second stage classifier overflowis finished flotation feed reports to agitated conditioning tanks.


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Rougher – Scavenger Flotation

Overflows from the conditioning tanks are treated in two identical parallelrougher-scavenger flotation circuits.

Regrind hydrocyclone overflow is combined with the flow from theconditioner tanks and pumped to Rougher I flotation. Tails from RougherI flotation flows to Rougher II flotation , thence to Scavenger I flotationand thence to Scavenger II Flotation. Scavenger II flotation tails flow tothe final tailing sump and then to the tailings thickener.

Rougher I concentrate is pumped to second Cleaner flotation andRougher II concentrate is pumped to First Cleaner flotation. Scavenger IIflotation concentrates are combined and then pumped to regrind.

Cleaner Flotation

Upgrading of concentrates from Rougher I and Rougher II slotation isaccomplished in three cleaner flotation stage utilizing countercurrentflow of tails.

Rougher II flotation concentrate and Second Cleaner flotation tails arecombined and then pumped to First Cleaner flotation. Rhe resulting tails

report to regrind and the concentrate is combined with Rougher Iflotation concentrate and Third Cleaner flotation tails and then pumpedto Second Cleaner flotation. Second Cleaner concentrate is pumped toThird Cleaner flotation and the resulting concentrate is then pumped tothe concentrate thickener.

Regrind

Sacvenger concentrates and First Cleaner flotation tails are combined,forming the feed for regrind. The regrind circuit consists of two parallel

circuits each with a ball mill in closed circuit with a bank of hydrocycloneclassifiers. The feed is split between the two regrind circuits bye meansof a static distributor. The hydro-cyclone overflow is combined with theconditioner tanks overflow is combined with the conditioner tanksoverflow and reports to Rougher I feed pumps.



General

Maintenance of the equipment within the grinding area is performed by a25/5 short ton capacity overhead travelling bridge crane andmaintenance of the equipment within the flotation area is performed by a10 short ton overhead travelling bridge cranes are serviced by monorailhoists.

Mill liner maintenance is performed with an electric/hydraulic linerhandling machine.

Services in these areas also include floor sumps and pumps.

40



12.2 OPERATING FACTORS

A. OPERATION DATA

SHEDULE

Eigh-hour Shifts Per day 3Days per week 7Days Per year 350Availabil ity of equipment, percent . 95

Ore/Product CharacteristicsGrinding Work Index 14.8Liberation Sizing 60%200 mesh

The final grinding product should be as c lose to the liberation size (60%-200 mesh) as possible to provide satisfactory liberation and preventovergrinding. However, an overrinding criteria of 0% + 65 mesh mustalso be observed if it means going finer than 60% - 200 mesh size.

Conditioning and Flotation TimesPre-rougher conditioning 10 minRougher I 4.4 minRougher II 6.5 minScavenger 18 min

RegrindingWork Index 16.0Feed 80% passing size, f80 68.8.9 micronsProduc t 80% passing size, p80 51 .1 m icrons

Cleaner Flotation TimesFirst Cleaner 6.3 minSecond Cleaner 10.8 minThrird Cleaner 18.0 min

Filtratio Data

Filter Loading 35 Ib/sq/ft/hrMinimum Feed density 65%Final Filter cake moisture 10%


12.2 OPERATING FACTORS (cont’d)

Tailings Thickener

Area requirements 7 sq ft/ST/dayTickener diameter 300 ft

B. EQUIPMENT DATA

Ball Mill feed Belt Conveyor 04-0602 and 0603 (Ref. Dwg. 04-10-100)

Width, mm 914Speed, m/s 0.75Capacity, stph 275Motor, hp 20

Belt Scale 04-4501 and 4502Manufacturer Ramsey Engineering CompanyModel 10-20-1/36Range, Min/Max, stph 600/750Type ElectronicAccuracy of scale +0.5% at 100% of loading

+-0.5% at 50% of loading

Ball Mill, First Stage 05-0201 and 0202

Manufacturer Mine & Smel ter/Div. Of Barber-GreeneCompany

Type Overflow Ball MillSize, m Marcy 4.26 x 5.48Shell material A 283 Grade C, 1-3/4” thickRig gear and pinion Falk, alloy steel, single helicalNº of teeth, gear/pinion 307/22Drive Motor 2000 hp, 4kV synchronous, 240 rpmAir compressor for Gardner-Denver, 17 cfm,

Air clutch 100 psi, 5 hp

Sump, 1st Stage Cyclone Feed 05-2701 and 2702 (Refer Dwg. Nº 00-10-022)

Operating volume cu m 5.0/10.0 surge vol.

Retention Time, min 0.6Construction Material concrete


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Cyclone Feed Pump,First Stage05-1501, 1561and 05-1502,1562

Manufacturer A.SH. Pump, Div.of EVT

Model Nº CD-12-6D

Type FlangedPulp, Dry Solids, stph 767.6Impellor diam Max/Min mm 685.8Power/Efficiency 70%Motor, hp 150

Hydrocyclone Cluster, First Stage 05-0501and 0502Manufacturer Krebs EngineersModel D20-865Size, diam. Mm 508

Numberrequired each cluster4Capacity, tph. solids 255.9(each cyclone)Inlet pressure range, psi 3/8

Sump, second Stage Cyclone Feed 05-2705 and 2706 (Refer Dwg. Nº 00-10-022)Operating Volume, cu m 5.0/10.0 surge vol.Retention time, min 0.5Construction Material concrete

Cyclone Feed Pump, SecondStage 05-1503,1563 and 05-1504,1564

Manufacturer A.S.H. Pump, DivofEVT

Model Nº CD-12-6DType FlangedPulp, Dry Solids, stph 657.9

Impellor diam. Max/Min mm 685.8Power/Efficiency 76%

Motor, hp 125

Hydrocyclone Cluster, Second Stage 05-0505and 0506

Manufacturer Kreb EngineersModel D15B-854Size Diam. Mm 381Numberrequired each cluster7Capacity, tph. Solids 109.7(each cyclone)

Inlet pressure range, psi 3/9



Agitator Mechanisms 05-2001and 2002

M an uf ac tur er F IMA ( un der l ic ense f rom D en ver)Impeller

Type and Mater ial Turbine , SAE-1020Diameter, in. And Nºof blades 48,6Motor, hp 25

ConditionerTank 05-1201and 1202(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 69Retentiom Time, min 11.7Construction Material carbon steelLining rubber,40 Durometer

Sump,Rougher Flotation Feed 05-2711and 2712(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 9.0Retention Time, min 0.6Construction Material carbon steel

Lining rubber, 40 Durometer

Pump,Rougher Feed 05-1507and 1508;05-1542and 1543

Manufacturer ASHModel Nº D-6-6Type Horizontal replaceable

rubberlinerFlow, cu. m/hr 906.68Total dynamic Head, m 13.11RPM 480

Motor, hp 100

Flotation Cells, First Rougher05-2601 through2612SecondRougher05-2615 through2630

Manufacturer WEMCO

Cell Volume 500 cu. Ft.Cell Material 3/8” steel plateImpeller Diam. In 26Impeller Material Molded RubberImpeller speed,

Rpm/peripheral m/min 190/394Motor, hp 40

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Feed Sump,First Cleaner 05-2717(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 8.7Retention Time, min 1.0Construction Material carbon steelLining rubber 40 Durometer

Vertical Feed Pumps,First cleaner 05/1513and 1514Manufacturer Galigher

Model Nº 8SAB 1100x 72 in.Type Flanged, verticalFlow cu. m/hr 488.09D escr ip tion of p ul p C op per c on cen trat e sl ur ryTotal dynamic Head, m 10.97

RPM 675Motor, hp 75

Flotation Cells, F irst Cleaner 05-2670through05-2678Manufacturer WEMCOCell Volume 300 cu ftImpeller Diam. In 26Impellar Material Molded RubberImpeller Speed,Rpm/peripheral m /min 220/386Front-overflow, type Fixed lip with steel

bar front slatsMotor, hp 25

Feed Sump,SecondCleaner 05-2718(Refer Dwg. Nº 00-10-022)Operating Volume, cu m 8.5Retention Time, min 1.8

Construction Material carbon steelLining rubber 40 Durometer

Vertical Feed Pumps,Second Cleaner 05-1515and 1516Manufacturer Galigher

Model 6 SAA 1100x72 in.Type Flanged, verticalFlow cu. m/hr 275.73D escr ip tion of p ul p C op per C on cen trat e Slu rr yTotal Dynamic Head, m 10.36

RPM 655Motor, hP 40



Flotation Cells, SecondCleaner 05-2682through2688

Manufacturer WEMCOCell volume 300 cu ft

Cell Material 3/8” steelImpeller Diam in 22Impeller Material Molded RubberRpm/peripheral m /min 220/389Froth overflow, type Fixed lip with steel

bar froth slats

Motor, hp 25

Feed Sump,Thrid Cleaner 05-2719(Refer Dwg. Nº 00-10-022)

Operating volume, cu m 7.8Retention time, min 5.7Construction material carbon steelLining 40 Durometer

Vertical Feed Pumps,thris Cleaner 05-1517and 1518

Manufactuer GaligherModel Nº 3.5 SAA 2300x72 in.Tupe Flanged, VerticalFlow cu. m/hr 81.08

Description of pulp Copper ConcentrateSlurry

Total Dynamic Head m 9.75RPM 795Motor, hp 15

Flotation Cells, Thrird Cleaner 05-2692through2695

Manufacturer WEMCOCell Volume 300 cu ftImpeller Diam in 22

Impeller Speed,Rpm/peripheral m/min 220/386Fronth overflow, type Fixed lip with

steel bar front slatsMotor, hp 25


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Sump, Scavenger Feed 05-2730 and 2731 (Refer Dwg. 00-10-022)

Operating Volume, cu m 9.76

Retention Time, min 0.8Construction Material Carbon steel

Lining Rubber 40 durometer

Pump, Scavenger Feed 05-1556, 1557 and 1558

Manufacturer ASHModel Nº CD-6-6Type Horizontal

ReplaceableRubber Liner

Flow, cu m/hr 747.01Total Dynamic Head, m 10.36RPM 518Motor, hp 60

Flotation Cells, Scanveger 05-2633 thru 2668

Manufacturer WEMCONominal volumePer cell, cu ft 500Impeller, Diam. In 26Impeller speed,

rpm/peripheral m/min190/394

Froth Overflow, type Fixed lip withsteel barfroth slats

Motor, hp 40

Sump, Concentrate Scavenger I 05-2727(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 8.5Retention Time, min 2.7

Construction Material Carbon SteelLining Rubber 40 durometer



Vertical Sump Pump 05-1550 and 1551

Manufacturer Galigher

Model Nº 4SAA 1100 x 72 in.Type Vertical Repaceable

Rubber LinePulp Description Flotation Concentrate

Slurry

Flow, cu. m/hr. 190.1Total Dynamic Head, m 8.23RP; 765Motor, hp 25

Sump, Final Tailings 05-2721 (client)Tailings Thickener 06-2101 (client)Sump, Tailings Thickener O’Flow 06-2701 (client)Reclain Water Settling Pond 00-2101

Capacity, gals 1,000, 000

Reclain Water Pumps 06-1501 through 1504Sump, Total Concentrate Scavenger 05-2729(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 6.75Retention Time, min 1.5Construction Material carbon steelLining rubber 40 durometer

Pump, Total Scavenger 05-1554 and 1555

Manufacturer ASHModel Nº C-6-6Type Horizontal Replaceable

Rubber linerPulp Description Total Scavenger

ConcentrateFlow, cu m/hr 461.74

Total Dynamic Head, m 10.97RPM 525Motor, hp 40

44



12.2 OPERATING FACTORS (cont’d)Sump, Regrind Collection 05-2722(Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 9.0Retention Time, min .59Construction Material Carbon steelLining Rubber 40 Durometer

Pump, Regrind Transfer 05-1540, 1541 and 1570

Manufacturer ASHModel Nº C-6-6Type Horizontal Replaceable

Rubber linePulp Description Scavenger flotation

Concentrate andCleaner Tails

Flow, cu. m/hr. 460.38Total Dynamic Head, m 15.24RPM 50

Regrind Feed Sump 05-1602

Sump, Regrind cyclone Feed 05-2713 and 2714 (Refer Dwg. Nº 00-10-022)

Operating Volume, cu m 5.0/10.0 surgecolume

Retention Time, min 0.5Construction Material concrete

Pump, Regrind Cyclone Feed 05-1505, 1506, 1565 and 1566

Manufacturer ASHModel Nº CD-6-6Type HorizontalReplaceable

Rubber LinerPulp Description Copper Concentrate

Regrind Cyclone FeedFlow, cu m/hr 627.32Total Dynamic Head, m 22.55Motor, hp 125


12.2 OPERATING FACTORS (cont’d)Hydrocyclone Cluster, 05-0509 and 05-0510

Manufacturer Krebs EngineersModel Nº D20B-869Size, día mm 508Num ber required each cluster 4Capacity each cyclone,

Tph solids 126Inlet pressure, psi 8/10Liners RubberVortex finder NihardApex Insert Refrax

Ball Mills, Regrind 05-0205 abd 0206

Manufacturer Mine Smelter/Div. of Barber-Green Co.TypeSize, m 3.20 x 5.18Shell Speed, rpm 24.23Shell Liner

Material SKEGA RubberThickeness, in. 2 in. Plates, 5-3/8 in. L if ters

Recommende Conf igurat ion 2 p iece segmentalLiner Bolt Descript ion Integral with lifter,

leakproof assemblyTrunnion Liners Meehanite with 1 in.

Rubber Lining

Ring Gear and pinion Falk, alloy steel,single helical

Nº of teeth 250/19LubricationTrunnions External high and low pressure automatic

lubrication systemRing Gear Automatic, intermittent spray lubrication

systemPinion Shaft Bearings OilMill Drive Motor 4 kV synchronous,

1000 hp, 240 rpmSump, Final concentrate 05-2726 (Refer Dwg. Nº 00-10-022)


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Operating Volumen, cu m 2.48Retention Time, min 4.4Construction Material Carbon steelLining Rubber 40 Durameter

Pump, Final Concetrate 05-1519 and 1520

Manufacturer ASHModel Nº A-6-6Type Horizontal

ReplaceableRubber Liner

Flow cu. m/hr 33.84Total Dynamic Head, m 10.97

RPM 890Motor, hp 7.5

Concentrate Thickener 05-2101(Ref Dwg 05-10-050)

Manufacturer 80S2-3Model Nº 80S2-3Type CabletorqTank diam ft 100Underflow minium percentSolids 65Torque ratings, ft Ibs 200,000Rake armsNº of arms, long/short 2/2Length of arms, mmLong/short 15,138/4115Motor, hp 2@3h

Sump, Concentrate Thickener O’Flow 05-2728(Ref Dwg 05-10-050)Construction Material concrete

Pump, concentrate Thickener U’Flow 051521 and 1522Manufacturer ASHModel Nº AA-6-5Type Horizontal Reaplaceable

Rubber LinerFlow cu. n/hr 20.21Total Dynamic Head, m 14.02Motor, hp 5



Concentrate Filters 05-2301 and 05-2302

Manufacturer Corporación Técnicade comercio S.A.

Type Rotary Drum with

Scraper DischargeDrum día x length, ft 12 x 24Filter Area, sq. Ft 912

Drum drive Integral variable

speed enclosedType enclosed

MotorType TEFCRating, hp 5

RPM 1750Characteristics 460 V, 3 phase,

60 Hz.Drum speed 60 to 600 sec per rev.Agitator

Type SwingConstruction Stee

264772 taller gestiondecostosenplantasparteidiap1 66

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