Contract procedure for construction work; part C: general technical specifications for construction work; roof covering and roof sealing works— 15 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); roofing and roof waterproofing works— 14 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); roofing and roof waterproofing work— 14 стр.