Design Criteria

DESIGN CRITERIA

Friends has a good experience to work under the following design criteria:

ROAD:

1- Geometric design : AASHTO 2001
2- Pavement Design: AASHTO 1986-Road Note 31-1993

BRIDGE STRUCTURES:

Standards for general Features Loading (except earthquake) Distribution of load. “Code of Practice; Highway Bridges, Highway Department West Pakistan.
Standards for Load combinations Reinforced concrete, pre stressed concrete, steel and composite structure. AASHTO, LRFD Bridge Design Specification (1998)
Design Reference for Railings AASHTO, LRFD Bridge Design Specification (1998)
Design Reference for Utilities AASHTO, LRFD Bridge Design Specification (1998)
Standard for Seismic Load and design AASHTO, LRFD Bridge Design Specification (1998)
Seismic zone and acceleration coefficient for earthquake forces AASHTO, LRFD Bridge Design Specification (1998)
Importance category AASHTO, LRFD Bridge Design Specification (1998)

BRIDGE STRUCTURES:

1. BSS = British Standards Specification.
2. ACI = American Concrete Institute.
3. ASTM = American Society for testing material.
4. AASHTO = American Association of State Highway and Transportation Officials.
5. KBCA = Karachi Building Control Authority.