str. Tebei nr. 5, Grigorescu, Cluj-Napoca

00 40 264 354 908

office@grandemar.ro

QUARRY AGGREGATE EXTRACTION, PRODUCTION AND MARKETING

Last update: 20 Mar 2026

Bologa

Useful mineral substance exploited: Dacit

City Bologa

County Cluj

Monday - Friday 7:00 - 22:00

Saturday Closed

Phone nr. 0264 354 908

QUARRY AGGREGATES FOR RAILYAW WORKS – SR EN 13450:2003
QUARRY AGGREGATES FOR RAILWAY WORK	31,5- 50 mm, OT 94/2025; OT 95/2025 AFER AFER	ABcf sort 31.5/50 mm, cat.A-B (concasat)
QUARRY AGGREGATES FOR RAILWAY WORK	31,5- 50 mm, OT 94/2025; OT 95/2025 AFER AFER	ABcf sort 31.5/50 mm, cat.B-B (concasat)

AGGREGATES FOR CONCRETE – SR EN 12620+A1:2008
SMOOTH AGGREGATE	0-4	AF-b sort 0/4 mm,Gf 85-B(concasat)
ROUGH AGGREGATE	4-8	AG-b sort 4/8 mm,Gc 85/20-B (concasat)
ROUGH AGGREGATE	8-11.2	AG-b sort 8/11.2 mm,Gc 90/15-B(concasat)
ROUGH AGGREGATE	8-16	AG-b sort 8/16 mm,Gc 90/15-B(concasat)
ROUGH AGGREGATE	16-22.4	AG-b sort 16/22.4 mm,Gc 90/150-B(concasat)
ROUGH AGGREGATE	16-31.5	AG-b sort 16/31.5 mm,Gc 90/150-B(concasat)

AGGREGATES FOR BITUMINOUS MIXTURES AND FOR SURFACE FINISHING FOR ROADS, AIRPORTS CONSTRUCTIONS AND OTHER TRAFFIC AREAS – SR EN 13043:2003
SMOOTH AGGREGATE – SAND MIXTURE	0-4 mm	AAF-a, sort 0/4 mm,Ga 90-B(concasat)
ROUGH AGGREGATE	4-8	AG-a, sort 4/8 mm,Gc 90/10-B(concasat)
ROUGH AGGREGATE	8-11.2	AG-a, sort 8/11.2 mm,Gc 90/10-B (concasat)
ROUGH AGGREGATE	8-16	AG-a, sort 8/16 mm,Gc 90/10-B (concasat)
ROUGH AGGREGATE	16-22.4	AG-a, sort 16/22.4 mm,Gc 90/10-B (concasat)
ROUGH AGGREGATE	16-31,5	AG-a, sort 16/31.5 mm,Gc 90/10-B (concasat)

CRIBLURA STAS SR 667 :2001
ROUGH AGGREGATE	16-25 / SR 667	AG-a, sort 16/25 mm,Gc 90/10-B (concasat)

AGGREGATES FROM HYDRAULICALLY UNBOUND OR BOUND MATERIALS USED IN CIVIL ENGINEERING AND ROAD WORKS – SR EN 13242+A1:2008
SMOOTH AGGREGATE – SAND	0-4	AF-c, sort 0/4 mm, Gf 85-B (concasat)
ROUGH AGGREGATE	4-8	AG-c, sort 4/8 mm, Gc 85-15-b (concasat)
ROUGH AGGREGATE	8-11.2	AG-c, sort 8/11.2 mm, Gc 85-15-B (concasat)
ROUGH AGGREGATE	8-16	AG-c, sort 8/16 mm, Gc 85-15-B (concasat)
ROUGH AGGREGATE	16-22.4	AG-c, sort 16/22.4 mm, Gc 85-15-B (concasat)
ROUGH AGGREGATE	16-31,5	AG-c, sort 16/31.5 mm, Gc 85-15-B (concasat)
ROUGH AGGREGATE	40-63	AG-c, sort 40/63 mm, Gc 85-15-B (concasat)
OPTIMAL MIXTURE	0-63	AAao-c, sort 0/63mm,Ga85-B(concasat)
PRIMARY SORT	0-31.5	AANsp-c, sort 0/31.5 mm, Ga85-B(natural)

AGGREGATES FOR ROCKFILLS – SR EN 13383-1:2003
ROUGH AGGREGATE FOR RIPRAPS	0-360 mm	AGA-CP 90/250-B(concasat)
LIGHT AGGREGATE FOR RIPRAPS	0-450 kg	AUA-LMA 15/300-B (natural)
HEAVY AGGREGATE FOR RIPRAPS	200-1500 kg	AGRA-HMA 300/1000-B (natural)

Certifications

Railway technical approval certificate 94/2025

Railway technical approval certificate 95/2025

Image gallery

Agregat fin-nisip 0-4 mm

Smooth aggregate – sand 0-4 mm

Agregat grosier 4-8 mm

Rough aggregate 4-8 mm

Agregat grosier 8-16 mm

Rough aggregate 8-16 mm

16-31,5mm Kőzúzalék

Rough aggregate 16-25 mm

16-31,5mm Kőzúzalék

Rough aggregate 16-31,5 mm

40-63mm Zúzott kő

Rough aggregate 40-63 mm

0-63mm Optimális keverék

Smooth aggregate optimal mixture 0-63 mm

Amestec agregat sort primar 0-63 mm

Smooth aggregate primary sort 0-31.5 mm

Quarry aggregates for railway work–crushed stone CF 31,5-50 mm