AHMEDABAD–MEHSANA 4 LANE HIGHWAY PROJECT, GUJARAT

Owner: Ahmedabad Mehsana Toll Road Company Limited

Ahmedabad-Mehsana highway project consists of a 52 km long two lane road to be widened to four lanes with service roads on either side of the main road and strengthening of existing 12 km long spur road from Kadi to Kalol. The road stretch includes two minor bridges, two ROBs, fifteen slab culverts, pipe culverts, two box culverts and six underpasses. Service roads are provided along with two major toll plazas. L&T-RAMBØLL carried out detailed engineering and construction supervision for this project. 

EXTERNAL ACCESS ROAD TO SAWALKOT HYDROELECTRIC POWER PROJECT, JAMMU & KASHMIR

Client : ECC Construction Division, L&T Limited

L&T-RAMBØLL has carried out detail engineering for external access road to HEP located on River Chenab in Doda and Udhampur District of Jammu & Kashmir State. The project road is located in difficult hilly terrain in the lower reaches of Himalayas. The length of the road is about 18 km and elevation of the road varies between RL 745 m and RL 885 m above MSL. The scope of work includes alignment design, design of two bridges, seventy culverts, retaining structures (gabion / breast walls / retaining walls). 

Detailed Engineering for four laning of Krishnagiri Thumpipadi Section of
NH-7 from Km 94 to Km 156 on BOT basis

Owner: L&T Krishnagiri Thopur Toll Road Private Limited

Provided Detailed Engineering Services for Rehabilitation and Upgradation of existing two lane road to four lane divided carriageway configuration from Km 94.000 (Krishnagiri) to Km 156.000 (Thumpipadi). Also provided improvement, operations and management for existing four laned stretches in adjacent section from Km. 156.000 (Thumpipadi) to Km. 163.400 (Thoppurghat). The project comprises:
9 major junctions, 47 minor junctions, 5 flyovers, 15 underpasses, 1 ROB, 1 major bridge, 11 minor bridges 136 culverts, 1 toll plaza, 3 truck lay byes, 1 rest area, and 37 km length of service roads. Various facilities like bus bays, truck lay byes, drinking water kiosks, toilet blocks, street lighting etc have been provided at appropriate locations along the project stretch apart from state of the art highway traffic management system.

Description of Services provided by LTR:

• Inventory of Road and Structures, Topographic Survey, Geotechnical Investigation, Pavement Condition Survey and Benkleman Beam Deflection Survey and Classified traffic count and Axle Load Survey.
• Detailed design of Horizontal and Vertical Alignment of Highway and Service Roads, Detailed Design of Grade Separators, Interchanges and Intersections, Detailed design of Road Appurtenances, Design of Toll Plaza & Rest Area.
• Hydrological analysis for catchment area and fixing drain dimensions, Detailed design of drainage system, Detailed design of Cross drainage structures (Culverts, Minor and Major bridges), Design of longitudinal profiles of drains to suit existing cross-drainage structures & proposal of fresh cross drainage Structures where ever necessary, Design of median drains in super-elevated sections of highway, Preparation of Drainage Plan and Profile drawings indicating flow lines and Design of Protection works.
• Obtaining approval from Independent Consultant, Preparation of Good For Construction drawings, Preparation of Bill of Quantities for Road and Structural Work and Preparation of "As Built" Drawings

Major Achievements

• Judicious design of Horizontal Alignment in such a way that existing road is effectively utilized; shifting of utility is minimized and problematic parcels of land avoided.
  
• Project completed ahead of schedule and inaugurated on13th Dec 2008.