hydrostroy

We Build Building and Great Homes.

We successfully cope with tasks of varying complexity, provide long-term guarantees and regularly master new technologies.

Get in touch

(+380) 50 318 47 07

65 Allerton Street 901 N Pitt Str, Suite 170, VA 22314, USA

Accreditation certificates

Certificate of Conformity – normal concrete

Accreditation Certificate of the Road Construction Laboratory

Certificate of performance – fixed vertical road signs

Certificate of Conformity of Production Control – Suhata Skala Stone Quarry

Certificate of Conformity of Production Control – Suhata Skala Stone Quarry

Certificate of Compliance – asphalt mixtures

Certificate of Compliance – cationic bitumen emulsions

Certificate of conformity – hydraulically connected mixtures

Certificate of conformity Admixtures for concrete; Rock materials for bituminous mixtures

Certificate of conformity – recycled rock materials

ISO certificates

ISO 9001- 2015

ISO 14001 – 2015

ISO 45001 – 2018

BDS ISO 39001:2014

Bulgarian Construction Chamber

Certificate for the implementation of construction projects of the first group and construction projects, categories 1-5

Certificate for the implementation of construction projects of the first group and construction projects under 137, para. 1, i. 1m; i. 4e; i. 5e

Certificate for the implementation of construction projects of the second group and construction projects, categories 1-4

Certificate for the implementation of construction projects of the third group and construction projects, categories 1-5

Certificate for the implementation of construction projects of the fourth group and construction projects, categories 1-4

Certificate for the implementation of construction projects of the fifth group

Membership in branch organizations

Certificate of Membership in the Bulgarian Branch Chamber “Roads”

Certificate of Membership in the Road Safety Bulgarian Branch Association