PLANNING, DESIGNS AND INVESTIGATION
|The Planning, Designs and Investigation Wing comprises one Chief Engineer, one Joint Chief Engineer, four Designs Divisions at Headquarters and eight Investigation Divisions with their Headquarters at various places in Tamil Nadu.
This wing undertakes field investigation works at bridge sites, preparation of detailed design, preparation of detailed drawings and quantity estimates and giving technical guidance for the bridge projects proposed and implemented by various wings of the Highways Department.
Design divisions functioning at Headquarters carry out the design works. The field works are being carried out by the Investigation Divisions.
Activities of the wing:
Investigation Divisions and their Activities:The eight investigation divisions with their Headquarters at Chennai, Villupuram, Tiruchirappalli, Madurai, Tirunelveli, Salem, Coimbatore and Tiruppur undertake the following field works.
Detailed investigations at bridge sites and collection of field data.
Obtaining required particulars from the Public Works Department for River Bridges and from the Railways for Railway Over Bridges and Railway Under Bridges.
Sub-Soil Investigation for Foundation Design
Sub-soil investigation through exploratory bores to arrive at the bearing capacity of the sub-soil to design the foundation of the bridges
Preparation of Reports and Drawings
Recommending suitable proposals based on field and sub-soil investigations.
Preparation of cross sectional and longitudinal sectional drawings along the stream & alignment and arriving at hydraulic particulars.
Preparation of alignment drawings and specification report for the proposals and obtaining approval for the feasible proposals.
Preparation of site plans and details for the works of formation of new bypasses and link roads
Designs Divisions and their ActivitiesThe activities of designs divisions are as follows:
As a result of effectively carrying-out all the above activities, during 2012-2013, the Quality Assurance and Research wing has earned a Revenue to the tune of Rs.4.17 Crore to the State’s exchequer by way of Lab and field tests.
Works completed in 2012-2013In 2012-2013, Preparation and Proof Checking of design and drawings for 8 Railway Over Bridges, 15 River Bridges, one Railway Under Bridges, one Grade Separator, 7 Foot Over Bridges and 11 design modifications totalling 43 Bridge works have been completed by the Design Divisions.
Works to be taken up in 2013-2014In 2013-2014, it is proposed to collect field particulars and prepare designs for 38 ROBs, 6 RUBs, 14 River Bridges, 5 Grade Separators, 3 design modifications and 4 Flyovers totalling 70 works. The detailed project reports to be prepared by the consultants will also be taken up for proof checking.