Bridges, expressways, stadiums and water works — the crossings and civil structures that connect Thailand, Nepal, Bhutan, Qatar and beyond.
Doha CPI’s Client: PBL Thailand (Prestressed concrete D+B contractor) Our Scope: Structural design independent review of over 32 Bridges (new city on fully reclaimed land)
Phnom Penh Client: Canadia Bank Span Layout: 100+250+100 = 450m Bridge Type: Cable-stayed (Two pylon, single plane cable, 6 lane roadway & composite deck) Design Duration: 5 Months Our Scope: Structural Design
Phuentsoling ( Tabaramtey on P’ling-Samtse highway) Bridge Length: 175m (Longest at the time of construction) Main Span: 140m (Longest span at the time of construction in Bhutan) Type of Bridge: Semi-through Parabolic 3D steel tube arch, cable suspended, composite deck (Precast panels + CIS Topping) Method of Construction: Temporary steel towers, cables, hoist & steel segment joining (arch first – followed by deck) Design Duration: 6 Months (including topo and soil investigation)
Babesa, Thimphu (Thimphu-Babesa Expressway) Main Span: 45m Bridge Type: Twin deck variable depth post-tensioned box girder integral frame bridge, variable section box piers and first PT bridge in Bhutan Duration: Design 6 months + construction supervision 2 years (3 bridges) Our Scope: Full fledge structural design + construction supervision
Gelposhing Main span: 60m Reason for Bridge: Very risky site, vey close to deep and fast flowing river Bridge Type: CIS PT box girder (supported by conventional scaffolding) Scope: Schematic design and overall cost for government budgeting
Guruthang-Bajo Main span: 100m Bridge Type: Haunched-single-span box (HSSB) system MoC: CIS segmental cantilever construction over the river with counterweight on hill side (abutment)
Eastern Bhutan (Manas National Park) Main span: 90m Total length: 140 m Bridge Type: Steel Truss Arch with steel frame piers & rock foundation Our Scope: Conceptual Planning & Design Design + Drawings
Thimphu Main span: 75m Bridge Type: Steel Truss Arch (Triangular shaped), MS Flat bar hangers, PT deck and longitudinal girders Our Scope: Independent Review and PT Specialist
Dongmarkhay, Vientiane Client: Water Supply Authority (WASA), Lao Duration: 1 Month Our Scope: Structural Design/Review of full-fledged modern water treatment plan
Nawanakhorn, Pathumthani Owner: NHA – National Housing Authority Client: Summit Grade Partnerships Limited, Thailand Project Size: Originally 600 – 5 story flats (each 2,000 sq. m. floor area – 45 family unit/bld) Largest residential complex but later reduced to about 200 buildings Precast large panel system for building (main structure finish within 1 month) Water-Work: Water-supply, Drainage System, Treatment Plant, Flood Retention System, etc. Duration: 6 Months Our Scope: Full package structural + water work design
Ratchaburi Client: Ratchaburi F.C. Purpose: Football stadium, used for football matches. Capacity: 10,000 seats
