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PLANNING, DESIGNS AND INVESTIGATION

The Planning, Designs and Investigation Wing is entrusted with field investigation and preparation of Detailed Project Report for River bridges, Grade Seperators, Road Over bridges(ROB) / Road Under Bridges (RUB) proposed and to executed by various wings of the Highways Department.

This wing has five investigation Divisions at Chennai, Madurai, Tirunelveli, Salem, Coimbatore and four designs divisions at Chennai with one Joint Chief Engineer and is headed by the Chief Engineer.

ACTIVITIES OF THE WING :

INVESTIGATION DIVISIONS AND THEIR ACTIVITIES

The Investigation divisions undertake the following field works :

FIELD INVESTIGATION AND SUBSOIL EXPLORATION :
  • Detailed Investigation and collection of field data for bridge and Road works.
  • Collection of required data from Public Works Department for river bridges and from Railways for ROB / RUB works.
  • Subsoil investigation to ascertain the bearing capacity of the subsoil and to decide the foundation of the bridges.
PREPARATION OF DETAILED REPORTS AND DRAWINGS :
  • Preparation of site plans incorporating all the field details.
  • Preparation of alignment drawings.
  • Preparation of cross sectional and longitudinal sectional drawings along the stream & alignment and computation of Hydraulic particulars.
  • Recommendation of suitable proposal based on field investigation and subsoil exploration.
DESIGN DIVISIONS AND THEIR ACTIVITIES :

The activities of designs divisions are as follows :

  • Preparation of designs, drawings and quantity estimates for river bridges, ROBs, RUBs, Grade separators and other Highway Structures.
  • Proof checking and approving the alternative designs furnished by the Bidders.
  • Proof checking and approving the detailed project reports prepared by the consultants engaged by various wings of the departments.
  • Redesigning the bridges and other components, if warranted in accordance with the subsoil conditions during execution.
  • Scrutinizing and giving the recommendations to facilitate the issue of permit for non standard heavy motor vehicles to ply on roads/bridges.
  • Scrutinizing and according approvals for the structural design of bridges to be constructed by other departments.
WORKS COMPLETED IN 2018-19 :
  • Preparation of design, drawings and estimate for 8 ROBs / RUBs / LUS, 60 River bridges, 5 Fly overs and 1 Grade separator.
  • Remarks on the movement of a non standard heavy vehicle which carries 2 numbers of heavy idols of Sri Maha Vishnu statue from Vandavasi to Bengaluru.
  • Revision / modification in design and drawings of 3 river bridges and 1 ROB.
  • Proof checking of design and drawings furnished by consultants for 5 river bridges / ROB / RUB / FOB.
  • Proof checking the design and drawings for revision / modification of 2 Flyovers
  • Totally 86 works have been completed during the financial year 2018-2019.
WORKS COMPLETED DURING APRIL 2019 TO JULY 2019 :
  • Preparation of design, drawings and estimate for 2 ROBs, 1 LUS and 20 River bridges have been completed.
  • 1 number of revision in river bridge and 2 ROBs have been completed.
  • Proof checking for construction of 2 River Bridges have been completed.
  • Also 1 number of revision / modification in river bridge, 1 ROB and 1 Grade separator and 1 Two–tier flyover have been proof checked.
  • 32 works have been completed by this wing during April 2019 to July 2019.
PROGRAMME OF WORK AS ON DATE :
  • As on date 40 works are in progress at various stages. In addition, the works sanctioned during the financial year 2019-2020 are also to be taken up.

For Chief Engineer (H),
Planning, Designs and Investigation,
Chennai-25.


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Last Updated: 22-02-2020
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