Transactions with Related Parties and Joint Operators (Tables)

12 Months Ended

Dec. 31, 2018

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Disclosure of Transactions Between Related Parties

Major transactions between the Company and its related parties are summarized as follows:

	2016		2017		2018
Revenue from sales of goods and services:
- Associates		—		3,367		1,704
- Joint operations		36,901		18,138		56,560
		36,901		21,505		58,264
Purchase of goods and services:
- Associates		739		2,776		2,130
- Joint operations		3,228		14,191		601
		3,967		16,967		2,731

Summary of Sale Purchase of Goods Services

c)   Balances at the end of the year were:

	At December 31,				At December 31,
	2017				2018
	Receivable		Payable		Receivable		Payable
Current portion:
Joint operations
Consorcio Rio Urubamba		8,964		—		9,122		—
Consorcio Peruano de Conservacion		7,417		—		6,417		—
Consorcio Italo Peruano		14,536		18,849		3,322		4,996
Consorcio Constructor Chavimochic		1,959		5,817		2,138		6,199
Consorcio GyM Conciviles		43,435		—		1,855		—
Consorcio La Gloria		1,688		1,358		1,369		1,006
Consorcio Ermitaño		1,067		6		781		624
Terminales del Perú		3,290		—		459		—
Consorcio TNT Vial y Vives - DSD Chile Ltda		—		—		—		11,804
Consorcio Rio Mantaro		1,134		763		—		6,655
Consorcio Vial Quinua		—		2,162		—		1,970
Consorcio Huacho Pativilca		—		2,377		—		475
Consorcio Vial Sierra		2,355		1,854		—		—
Consorcio para la Atencion y Mantenimiento de Ductos		—		12,074		—		—
Other minors		12,221		7,045		9,215		11,323
		98,066		52,305		34,678		45,052

	At December 31,				At December 31,
	2017				2018
	Receivable		Payable		Receivable		Payable
Other related parties
Ferrovias Argentina		—		2,684		—		10,242
Peru Piping Spools S.A.C.		279		185		225		—
Gasoducto Sur Peruano S.A		2,407		—		—		—
Other minors		—		—		—		647
Current portion		100,752		55,174		34,903		55,941
Non-current portion:
Gasoducto Sur Peruano S.A		773,930		—		773,927		—
Ferrovias Participaciones		—		21,648		—		21,849
Other minors		—		4,306		4,299		—
Non-current		773,930		25,954		778,226		21,849