XML 85 R63.htm IDEA: XBRL DOCUMENT v3.23.1
Property, plant, equipment and development costs (Tables)
12 Months Ended
Dec. 31, 2022
Property, plant, equipment and development costs  
Schedule of property, plant and equipment, net

    

Balance as of

    

    

    

    

    

    

Balance as of

    

    

    

    

    

    

Balance as of

January 1,

Changes in

Reclassifications

December 31,

Changes in

Reclassifications

December 31,

2021

Additions

Disposals

Sales

estimations

and transfers

2021

Additions

Disposals

Sales

estimations

and transfers

2022

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

 

US$(000)

US$(000)

 

US$(000)

Cost:

Lands

 

17,650

 

 

 

 

 

53

 

17,703

 

 

 

 

1,062

 

18,765

Mining concessions (f)

 

151,873

 

 

 

 

 

 

151,873

 

 

 

 

 

151,873

Development costs

 

813,232

 

31,749

 

 

 

 

 

844,981

 

59,702

 

 

 

 

904,683

Buildings, constructions and other

 

1,343,060

 

31

 

(11)

 

 

 

7,315

 

1,350,395

 

 

(123)

 

 

3,510

 

1,353,782

Machinery and equipment

 

883,192

 

5

 

(393)

 

(249)

 

 

19,842

 

902,397

 

10

 

(41,053)

 

(34)

 

12,695

 

874,015

Transportation units

 

8,409

 

70

 

(152)

 

(934)

 

 

269

 

7,662

 

15

 

(277)

 

(1,816)

 

73

 

5,657

Furniture and fixtures

 

11,737

 

33

 

(98)

 

 

 

98

 

11,770

 

 

(702)

 

(4)

 

7

 

11,071

Units in transit

 

3,381

 

 

(506)

 

 

 

 

2,875

 

12,811

 

 

 

 

15,686

Work in progress

 

34,934

 

40,768

 

(1,838)

 

 

 

(27,577)

 

46,287

 

65,577

 

(3,049)

 

 

(17,347)

 

91,468

Stripping activity asset (g)

 

152,597

 

17,653

 

(6,763)

 

 

 

 

163,487

 

26,669

 

 

 

 

190,156

Right-of-use asset (e)

16,259

2,973

19,232

11,712

30,944

Mine closure costs

 

335,654

 

 

 

 

(3,272)

 

 

332,382

 

 

 

 

(21,869)

 

310,513

 

3,771,978

 

90,309

 

(9,761)

 

(1,183)

 

(299)

 

 

3,851,044

 

164,784

 

(45,204)

 

(1,854)

 

(10,157)

 

3,958,613

Accumulated depreciation and amortization:

Mining concessions (f)

 

40,270

 

7

 

-

 

-

 

 

 

40,277

 

6

 

 

 

 

40,283

Development costs

 

340,999

 

20,582

 

-

 

-

 

 

 

361,581

 

26,907

 

 

 

 

388,488

Buildings, construction and other

 

698,324

 

66,445

 

(3)

 

-

 

 

928

 

765,694

 

58,345

 

(121)

 

 

 

823,918

Machinery and equipment

 

686,466

 

56,384

 

(340)

 

(170)

 

 

 

742,340

 

42,698

 

(40,355)

 

(34)

 

 

744,649

Transportation units

 

7,083

 

604

 

(143)

 

(894)

 

 

 

6,650

 

478

 

(153)

 

(1,803)

 

 

5,172

Furniture and fixtures

 

9,824

 

601

 

(97)

 

-

 

 

 

10,328

 

548

 

(651)

 

(4)

 

 

10,221

Stripping activity asset

 

111,455

 

14,039

 

-

 

-

 

 

6,665

 

132,159

 

21,769

 

 

 

 

153,928

Right-of-use asset (e)

9,081

4,813

-

-

13,894

4,290

18,184

Mine closure costs

 

191,840

 

14,819

 

-

 

-

 

 

7,173

 

213,832

 

18,198

 

 

 

 

232,030

 

2,095,342

 

178,294

 

(583)

 

(1,064)

 

 

14,766

 

2,286,755

 

173,239

 

(41,280)

 

(1,841)

 

 

2,416,873

Provision for impairment of long-lived assets:

Mine closure costs

 

13,207

 

 

(3,828)

 

 

(7,173)

 

(7,173)

 

2,206

 

 

 

 

2,206

Development costs

 

10,153

 

 

 

 

(6,665)

 

(6,665)

 

3,488

 

 

 

 

3,488

Property, plant and other

 

2,915

 

19,874

 

(1,136)

 

 

(928)

 

(928)

 

20,725

 

 

(19,874)

 

 

851

 

26,275

 

19,874

 

(4,964)

 

 

(14,766)

 

(14,766)

 

26,419

 

 

(19,874)

 

 

6,545

Net cost

 

1,650,361

 

1,537,870

 

1,535,195

Schedule of estimates prices for the current and long-term periods

Estimated prices for the current and long-term periods that have been used to estimate future cash flows are as follows:

As of December 31, 2022 -

2023

    

2024-2026

    

US$

    

US$

Gold

 

1,750 / Oz

 

1,735 / Oz

Silver

 

21.00 / Oz

 

23.17 / Oz

Copper

 

7,900 / MT

 

9,625 / MT

Zinc

3,000 / MT

2,648 / MT

Lead

 

1,900 / MT

 

2,181 / MT

As of December 31, 2021 -

    

2022

    

2023-2025

US$

US$

Gold

 

1,700 / Oz

 

1,764 / Oz

Silver

 

24.00 / Oz

 

27.30 / Oz

Copper

 

8,500 / MT

 

8,705 / MT

Zinc

 

2,600 / MT

 

2,616 / MT

Lead

2,000 / MT

2,313 / MT

Schedule of net assets for right in use

2022

    

2021

US$(000)

US$(000)

Buildings

10,484

 

2,088

Transportation units

1,380

 

2,501

Machinery and equipment

896

 

749

12,760

 

5,338

Summary of recovery amounts of long lived assets

    

2022

    

2021

    

2020

US$

US$

US$

Uchucchacua

 

146,114

 

196,545

 

244,795

Río Seco

 

50,808

 

18,671

 

N/A

Orcopampa

 

51,911

 

43,128

 

57,650

La Zanja

 

35,011

 

51,044

 

20,736

Julcani

 

N/A

 

N/A

 

40,642

El Brocal

 

N/A

 

N/A

 

761,081

Schedule of discount rate

In calculating the value in use, as of December 31, 2022 and 2021 the following discount rates were applied to the post-tax cash flows:

2022

2021

Post-Tax

Pre-Tax

Post-Tax

Pre-Tax

%

%

%

%

Uchucchacua

    

8.12

    

12.52

    

6.04

    

9.31

Orcopampa

 

8.12

 

12.52

 

6.04

 

9.31

Río Seco

 

10.60

 

16.34

 

7.86

 

12.12

La Zanja

 

9.13

 

14.08

 

7.01

 

10.81

Schedule of distribution of depreciation expenses

    

2022

    

2021

    

2020

US$(000)

US$(000)

US$(000)

Cost of sales of goods

 

147,032

 

159,652

174,103

Unabsorbed cost due to production stoppage

 

14,877

 

4,569

10,764

Cost of sales of services

 

8,153

 

8,109

8,461

Administrative expenses

 

1,886

 

4,741

3,142

Property, plant, equipment and development costs

1,039

963

833

Exploration in non-operating areas

101

114

111

Selling expenses

93

84

Other, net

49

48

46

Discontinued operations, note 1(e)

 

9

 

14

2,126

 

173,239

 

178,294

199,586

Sociedads Minera Cerro Verde S.A.A.  
Property, plant, equipment and development costs  
Schedule of property, plant and equipment, net

Property, plant and equipment consist of owned and leased assets (right-of-use assets), and cost and accumulated depreciation accounts as of December 31, 2022 and 2021 are shown below:

December 31,

Adjustments

December 31,

Adjustments

December 31,

    

2020

    

Additions

    

and changes in

    

Disposals

    

Transfers

    

2021

    

Additions

    

and changes in

    

Disposals

    

Transfers

    

2022

estimates

estimates

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

  

US$(000)

Cost

Land

 

24,905

 

 

 

 

5,477

 

30,382

 

 

 

 

2,820

 

33,202

Buildings and other constructions

 

2,589,004

 

 

430

 

(913)

 

7,885

 

2,596,406

 

 

1,041

 

(61)

 

11,063

 

2,608,449

Machinery and equipment

 

4,985,749

 

 

(430)

 

(14,967)

 

128,007

 

5,098,359

 

 

(1,041)

 

(54,732)

 

155,044

 

5,197,630

Transportation units

 

30,098

 

 

 

(1,132)

 

4,416

 

33,382

 

 

 

 

2,995

 

36,377

Furniture and fixtures

 

949

 

 

 

(377)

 

 

572

 

 

 

 

 

572

Other equipment

 

30,965

 

 

 

(92)

 

4,522

 

35,395

 

 

 

(58)

 

885

 

36,222

Construction in progress and in-transit units

 

118,430

 

158,599

(a)

(195)

 

 

(150,307)

 

126,527

 

227,216

(19)

 

 

(169,459)

 

184,265

Stripping activity asset (see Note 2(i))

 

945,637

 

214,192

 

 

 

 

1,159,829

 

304,198

 

 

 

 

1,464,027

Asset retirement costs (see Note 11(b))

 

204,567

 

 

(18,271)

 

 

 

186,296

 

 

(17,812)

 

 

 

168,484

Right-of-use assets (b)

96,451

4,099

(1,650)

98,900

4,941

(3,137)

(3,348)

97,356

 

9,026,755

 

376,890

 

(18,466)

 

(19,131)

 

 

9,366,048

 

536,355

 

(17,831)

 

(57,988)

 

 

9,826,584

Accumulated depreciation

Buildings and other constructions

 

456,213

 

66,846

 

236

 

(914)

 

 

522,381

 

72,899

 

655

 

(14)

 

 

595,921

Machinery and equipment

 

2,305,568

 

279,531

 

(236)

 

(14,891)

 

 

2,569,972

 

272,528

 

(655)

 

(54,519)

 

141

 

2,787,467

Transportation units

 

17,698

 

1,969

 

 

(1,040)

 

 

18,627

 

2,160

 

 

 

 

20,787

Furniture and fixtures

 

904

 

23

 

 

(376)

 

 

551

 

21

 

 

 

 

572

Other equipment

 

21,240

 

2,942

 

 

(92)

 

 

24,090

 

3,136

 

 

(58)

 

 

27,168

Stripping activity asset

 

678,041

 

113,530

 

 

 

 

791,571

 

134,186

 

 

 

 

925,757

Asset retirement costs

 

31,526

 

5,388

 

 

 

 

36,914

 

4,770

 

 

 

 

41,684

Right-of-use assets (b)

19,589

12,459

(1,640)

30,408

12,708

(3,124)

(141)

39,851

 

3,530,779

 

482,688

 

(18,953)

 

 

3,994,514

 

502,408

 

(57,715)

 

4,439,207

Net cost

 

5,495,976

 

5,371,534

 

5,387,377

(a)

As of December 31, 2022 additions to construction in progress and in-transit units primarily relate to (i) tailings dam projects (US$ 55.5 million), (ii) projects associated with the capitalization of main components of the mine’s heavy equipment (US$36.1 million), (iii) mine support equipment (US$32.6 million), (iv) belt replacement projects (US$11.1 million), (v) a direct flotation reactor technology project (US$11.0 million), (vi) the purchase of stators for ball mills (US$10.7 million), and (vii) installation of flotation recovery technology (US$8.5 million).

As of December 31, 2021, additions to construction in progress and in-transit units primarily relate to (i) tailings dam projects (US$30.1 million), (ii) projects associated with the capitalization of main components of the mine’s heavy equipment (US$ 28.9 million), (iii) the purchase of stators for ball mills (US$ 18.7 million), (iv) the purchase of mine support equipment (US$ 17.3 million), (v) major maintenance on shovels (US$ 9.2 million), (vi) the purchase of rollers (US$ 9.0 million), (vii) belt replacement projects (US$ 7.9 million), (viii) major components of the primary crusher (US$ 4.3 million), (ix) haul trucks beds (US$ 3.2 million) and (x) projects for the optimization of the Company’s operating processes (US$ 2.5 million).

Schedule of net assets for right in use

As of December 31, 2022, additions to construction in progress include capitalized interest with an average rate of 4.25% primarily related to (i) capital projects for the maintenance truck shop (US$1.5 million), (ii) tailings dam projects (US$1.2 million), (iii) the purchase of stators for ball mills (US$0.1 million) and (iv) other projects (US$0.3 million).

As of December 31, 2021, additions to construction in progress include capitalized interest with an average rate of 2.88% primarily related to (i) capital projects for the maintenance truck shop (US$ 1.0 million), (ii) tailings dam projects (US$ 0.4 million), (iii) the purchase of stators (US$ 0.2 million) and (iv) other projects US$ 0.3 million).

(b)  Set out below are the carrying amounts of right-of-use assets recognized and the movements as of December 31, 2022 and 2021:

    

December

    

    

    

December

    

December

31, 2020

Additions

Disposals

31, 2021

Additions

Disposals

Transfers

31, 2022

US$(000)

US$(000)

US$(000)

US$(000)

US$(000)

US$(000)

US$(000)

US$(000)

Cost

 

  

 

  

 

  

 

  

Land

 

9,851

 

789

 

10,640

216

(365)

 

10,491

Buildings and other constructions

 

56,594

 

2,195

 

(873)

57,916

1,273

(2,668)

 

56,521

Machinery and equipment

 

30,006

 

1,115

 

(777)

30,344

3,452

(104)

 

(3,348)

30,344

 

 

96,451

 

4,099

 

(1,650)

98,900

4,941

(3,137)

 

(3,348)

97,356

 

Accumulated depreciation

    

    

    

    

Land

 

2,897

 

1,732

 

4,629

1,949

(365)

 

6,213

Buildings and other constructions

 

10,575

 

7,480

 

(865)

17,190

7,216

(2,656)

 

21,750

Machinery and equipment

 

6,117

 

3,247

 

(775)

8,589

3,543

(103)

 

(141)

11,888

 

19,589

 

12,459

 

(1,640)

30,408

12,708

(3,124)

(141)

39,851

 

 

 

 

Net cost

 

76,862

 

 

  

68,492

 

57,505