TagsSpecification (Technical Standard) Traffic Road Public–Private Partnership Lane
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Document Text Contents
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Two-laning of Highways


Public Private Partnership




Planning Commission
Government of India

New Delhi

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This is a technical document which has been produced by the Indian Roads Congress. For any further

technical clarifications please contact:

Secretary General

The Indian Roads Congress

Sector 6, R.K. Puram

New Delhi-110 022

Published by the Secretariat for the Committee on Infrastructure

Planning Commission

Yojana Bhavan

Parliament Street

New Delhi-110 001

Printed by Brijbasi Art Press Ltd.

A-81, Sector-5, Noida - 201 203

Reprint: May 2010.

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80 IRC:SP:73-2007


girder bridges, in other cases it may be either bituminous concrete or cement
concrete. The wearing coat shall have two directional camber and shall be in
conformity with Section 2700 of MOSRTH Specifications

ii) Wearing coat in damaged/distressed condition shall be replaced by bituminous

wearing coat.

7.16 Reinforced Earth Retaining Structures

7.16.1 Reinforced earth retaining structures shall not be provided for height more than 6 m

and near water bodies. Such structures should be given special attention in design,

construction, maintenance and selection of system/system design.

7.16.2 A qualified and experienced technical representative of the approved supplier/

manufacturer shall be present on site throughout during the casting and erection

phases, to ensure that the quality of the works performed by the Concessionaire is

in accordance with the specifications.

7.17 River Training and Protective Works

River training and protective works shall be provided wherever required, for ensuring

the safety of bridges and their approaches on either side. The special features and

design of various types of river training and protective works shall be in accordance

with IRC:89.

7.18 Safety Barriers

(i) For bridges without foot paths, concrete crash barriers shall be provided at the

edge of the carriageway on all new bridges.

(ii) The type design for the crash barriers may be adopted as per IRC:5. The design

loading for the crash barriers shall be as per Clause 209.7 of IRC:6.

(iii) For bridges with foot paths, pedestrian railing shall be provided on the outer

side of footpath.

(iv) The railings of existing bridges shall be replaced by crash barriers, where

specified in Schedule-B of the Concession Agreement.

(v) Parapets/Railings of the existing bridges/culverts to be repaired/replaced shall

be specified in Schedule-B of the Concession Agreement.

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7.19 Rail-Road Bridges

7.19.1 ROB/RUB shall be provided on all railway level crossings, unless otherwise specified,
in Schedule-B of the Concession Agreement

7.19.2 Road Over Bridge (Road over Railway line)

(i) In case the bridge is to be provided over an existing level crossing, 2-lane
bridges shall be constructed with overall width as given in sub-para 7.1(i) of
this Section. The horizontal and vertical clearances to be provided shall be as
per requirement of the Railway authorities.

(ii) In general, the Railways require that in the railway boundary there is no solid
embankment, provision is made for future expansion of railway line, provision
of vertical clearances as per requirement of electric traction and excavation for
foundations shall be sufficiently away so as not to endanger the safety of the
running tracks.

(iii) The Concessionaire shall be required to obtain approvals of all designs and
drawings from the concerned Railway authorities. The design of structure shall
be in accordance with relevant IRC codes.

(iv) The construction of ROB within the Railway boundary shall be under the
supervision of Railway officers.

(v) Approach gradient shall not be steeper than 1 in 40.

7.19.3 Road under Bridges (Road under Railway line)

(i) Full roadway width as in the approaches shall pass below the bridge structure.
The service roads shall be continued in the bridge portion also.

(ii) The vertical and lateral clearances shall be as per guidelines given in
Section 2 of this Manual.

(iii) These structures shall be designed to carry railway loads. The Concessionaire
shall be required to obtain approvals of all designs and drawings from the
concerned railway authorities. The design of structure shall be in accordance
with relevant Railway codes.

(iv) The construction of RUB and its approaches shall be undertaken in
conformity with the terms specified in the approval granted by the Railway

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2 (C) Project Preparation, Contract Management & Quality Control

1. IRC:SP:47-1998 Guidelines on Quality Systems for Road Bridges (Plain,
Reinforced, Prestressed and Composite Concrete)

2. IRC:SP:54-2000 Project Preparation Manual for Bridges

2 (D) Other Important Publications

1. IRC:7-1971 Recommended Practice for Numbering Bridges and Culverts
(First Revision)

2. IRC:SP:13-2004 Guidelines for the Design of Small Bridges and Culverts (First

3. IRC:SP:51-1999 Guidelines for Load Testing of Bridges

3. MOSRTH Publications

1. MOSRTH Specifications for Road and Bridge Works, 2001 (Fourth Revision)

2. MOSRTH Standard Plans for Single, Double and Triple Cell Box Culverts with and
without Earth cushion

3. MOSRTH Type Designs for Intersections on National Highways.1992

4. Manual for Safety in Road Design

S. Code/ Title of the Publication
No. Document No.

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