Technical Approval procedures
Designer1 submits Proposals to
Consultation with Roads Service re Proposals:
Agreement of Category of structure
Agreement of all relevant information
Technical Approval of
Category 0 no AIP Category 1,2 & 3: AIP Highway Structures
required submitted to the TAA1
TAA confirms agreement Eastern Division Hydebank Information for
of AIP. Copy returned to 4 Hospital Road
Designer1. Belfast BT8 8JL Developers
Tel No: (028) 9025 3000
Fax No: (028) 9025 3220
E-mail: firstname.lastname@example.org Designers
Design and Check Certificate(s)2&3, which comply Northern Division County Hall
with AIP, are completed and submitted to the TAA1 Castlerock Road
for acceptence. Coleraine BT51 3HS
Tel No: (028) 7034 1300
Fax No: (028) 7034 1430
Design and Check Certificates are accepted by
the TAA, copies are returned to the Designer1.
Southern Division Marlborough House
Construction Compliance Certificates4 forwarded
Craigavon BT64 1AD
to relevant Roads Service Division.
Tel No: (028) 3834 1144
Fax No: (028) 3834 1867
1. Through relevant Division. Western Division County Hall
2. Category 0 and 1 - combined certificate, Drumagh Avenue
Category 2 and 3 - separate certificates. Omagh, BT79 7AF
3. Relevant standards and general arrangement drawing to be Tel No: (028) 8225 4166
included with Category 0 Design and Check certificate.
Fax No: (028) 8225 4010
4. Construction Compliance Certificates; for developers’ structures
proposed for adoption.
Technical Guidance Leaflet 1
Technical Approval of (ii) Categories and Proposals: Design and Checking Certification:
Proposals shall be placed in one of four Categories: 0, The Design and Check Certificates shall be
Highway Structures 1, 2 or 3, according to criteria in BD 2. These range
from Category 0 for the least significant structures to
signed to declare satisfactory completion of the
work etc and forwarded to the TAA through the
Category 3 for the most complex structures. appropriate Roads Service Divisional Office.
The Designer shall submit details of all Proposals These certificates shall refer to the relevant AIP by
Introduction through the appropriate Roads Service Divisional TAA reference number and date of agreement of
The purpose of this leaflet is to provide guidance to Office, (see reverse side of leaflet) to the TAA for the AIP. Category 0 certificates shall include the
developers (private developers and others) and their agreement of the Category. TAA reference number. Calculations shall not be
Designers on the Technical Approval procedures for Category 0 Proposals do not require formal Approval submitted to Roads Service TAA.
highway structures. in Principle (AIP). The Proposal submission should Category 0 and 1 structures require a combined
Roads Service requires that all proposed structures within include sufficient information to allow the TAA to Design and Check Certificate. Category 2 and
the road boundary (6m of a road) or which support the agree the Category. 3 structures require separate Design and Check
public road are subject to Technical Approval. This Category 1, 2 and 3 Proposals. Submissions Certificates.
may include structures proposed for adoption or others should provide sufficient information to demonstrate
associated with private developments. compliance with design requirements including Technical Approval:
The objectives of the Technical Approval procedures the Technical Approval Schedule, i.e. details of all This shall entail the acceptance of the Design
are to ensure, as far as reasonably practicable, that relevant documents proposed for use in the design. and Check Certificate(s) and drawings etc. by
highway structures are safe and serviceable in use and Drawings submitted with Proposals should be specific the TAA. These shall be copied to the Roads
fit for their intended function. and relevant. Service Divisions for record purposes and onward
Roads Service Technical Approval procedures are distribution to the designer.
detailed in BD 2 (Technical Approval of Highway (iii) Operation of the Technical Approval procedures: Category 0 structures: Technical Approval shall
Structures), reference the Design Manual for Roads and only be granted by the TAA if all the necessary
Category 1, 2 and 3 Proposals:
Bridges (DMRB)# Volume 1. This leaflet should be read information is submitted with the completed Design
in conjunction with BD 2. Consultation shall be between the Designer and and Check Certificate, i.e. standards schedule and
Technical Approval entails a review of the designers the Roads Service Divisional Office. Exceptionally, drawing(s).
proposals by a Technical Approval Authority (TAA) and following initial discussion with the Roads Service
includes certification by a Designer and an independent Division, direct consultation between the Designer Construction Compliance Certificate:
Checker. Roads Service TAA is the Director of and the TAA may be facilitated for non-routine and/or
more complex structures. The Proposal submission Roads Service requires a Construction Compliance
Engineering, Roads Service Headquarters.
should include a draft AIP Form. Certificate to be completed for all developers’
structures proposed for adoption.
Technical Approval Procedures Approval in Principle:
(i) Design Requirements: The AIP submission shall be a record of all matters Further Information
agreed at the Proposals stage. This shall generally
The technical requirements for the design of All submissions should be forwarded to the Roads
include the Technical Approval Schedule, location
highway structures shall generally comply with Service Divisional Office which covers the location of
plan, general arrangement drawing, relevant parts
the relevant standards and advice notes in the the proposed structure, see reverse side of leaflet.
of the geotechnical report, documents relating to
DMRB and be constructed in accordance with the consultation and any other relevant information. It Further information including model AIP Forms, Design
Specification for Highway Works (SHW)#. Other shall be forwarded to the TAA through the appropriate and Check Certificates and Construction Compliance
standards etc. proposed shall be agreed with the Roads Service Divisional Office. It should be noted Certificates may also be obtained from these offices
TAA through the Technical Approval process. that the TAA will not endorse an AIP submission or from the Publications section of the Roads Service
until content with the information/criteria recorded website:
Roads Service TAA
# DMRB and SHW are published by the Stationery Office. May 2002