Abu Dhabi, United Arab Emirates. STANDARD CONSTRUCTION SPECIFICATIONS (PART 1 - ROADS, Second Edition 2020) - page 10

YSTEM

traffic signal backplate, 9-24
traffic violation recording, 9-30
training, 9-49, 9-92
traveller information system (TIS), 9-59
vehicle actuation and system detectors, 9-27
vehicle detection system, 9-58
vehicle detector pole, 9-59

vehicular signal heads, 9-22
vehicular signal poles, 9-21
video surveillance system, 9-4
video surveillance system (VSS), 9-54
watchdog timer, 9-39
wireless ethernet bridge, 9-69

STANDARD CONSTRUCTION SPECIFICATIONS

PART 1

ROAD UTILITIES

CHAPTER 10

– LIGHTING & ELECTRICAL

DISTRIBUTION WORKS

DOCUMENT

NO:

TR-542-1

SECOND

EDITION

SEPTERMBER

2020

ENERAL

iv.

Dimensions

Reinforcing details

vi.

Details of supports left in place

vii.

Locations of all services encountered

viii.

Any other information requested by the Engineer

ix.

For mechanical equipment the details shall include the whole plant as erected

3. Contract plans shall be supplemented as necessary by schedules and data sheets

indicating:

Quantity

ii.

Quality

iii.

Types of materials installed

4. Draft record drawings shall be submitted to the Engineer for his approval, and then finalized

in accordance with any amendments required by him

5. The Engineer will furnish the Contractor 1 set of A3 hard copy and 1 set of softcopy on CD

of original Contract plans. Soft copy shall be provided in PDF and Microstation-V8 format.
Microstation-V8 file shall be converted to AutoCAD (.DWG) format and included.

The Contractor shall correct where required to portray the works as actually
constructed. The Contractor shall prepare and supply the Engineer the revised A1
hardcopy and CDs marked “As-Built” Record Drawings for his approval.

ii.

On completion of the works the record drawings shall be handed over to the Engineer
together  with  the  CDs.  Submitted  softcopies  of  the  as-built  drawings  shall  be  in
AutoCAD  (.DWG)  format.  If  required  by  the  Owner  or  Engineer  to  be  submitted  in
Microstation-V8  format,  the  Contractor  shall  be  responsible  to  convert  the  as-built
drawings accordingly. The Contractor shall be responsible for editing and updating of
the AutoCAD files required to provide as-built drawings in AutoCAD (.DWG) format
that fully reflect the Contract documents with the as-built information.

iii.

Record drawing submission shall include:

Ten bound sets of “as-built” record drawings (5 in A3 and 5 in A1)

b) Three sets of CDs

c) Each drawing shall have the Contract details and drawing number detailed to the

approval of the Engineer.

c. No final payment shall be made except for work that has been completed in accordance with

the specificatio

n and has been duly presented on the “as-built” record drawings.

d. The Contractor shall not be entitled to any extra payment or extension of time for the

preparation of the record drawings.

1.11.10

Mistakes in Information

The Contractor shall be responsible for and shall pay the extra cost, if any, occasioned by any
discrepancies, errors, or omissions in drawings and other particulars supplied by him, whether they
have been approved by the Engineer or not.

ENERAL

1.12

Regulatory Requirements

1.12.1

Description

Comply with all codes, standards, specifications of regulatory agencies having jurisdiction over this
project including, but not limited to, those specified herein.

1.12.2

Codes

All  reference  to  codes,  regulations,  local  and  administrative  orders  of  the  specifications  and
standards  referred  to  in  the  Contract  documents  shall  mean,  and  are  intended  to  be,  the  latest
edition,  amendment  or  revision  of  such  reference  in  effect  as  of  the  date  of  submission  of  these
tender documents by the bidder.

There may be items for which there are no relative codes, specifications or standards:

1. Materials and workmanship of such items shall be of suitable quality as determined by the

Engineer.

2. Details that qualify such items as being of the acceptable quality shall be submitted to the

Engineer for approval in accordance with Section 1.11.

1.12.3

Government Bodies

The Contractor shall carry out all works in strict accordance with current codes, regulations, local
and administrative orders, specifications and standards of all government bodies.

1.12.4

Permits, Licenses and No Objection Certificates

The Owner shall hold the Contractor responsible for compliance with the obligations imposed by the
no objection certificate (NOC) to the extent that the Contractor

’s fulfilment of his obligations under

the Contract may result in conditions requiring actions to comply with the NOC.

NOCs shall be obtained separately in respect of each section

Failure to complete the work including reinstatement of surfaces within the time specified in the NOC
may cause the suspension of the issue of further NOC’s for that particular section.

Unless otherwise explicitly provided for in these specifications, all permits, licenses and NOCs
required for the proper execution of the works shall be obtained by the Contractor:

1. Before commencement of the execution of works on site

2. On satisfactory completion of each section

1.12.5

Notice of Intent

The Contractor shall comply with the following requirements.

a. The Contractor will encounter existing services during the course of the construction of the

works. The Contractor must obtain his own information regarding:

1. Nature of the ground and subsurface at the site

2. Position of all underground pipelines and services affected by permanent and temporary

works

b. Positions of services shown on the Contract plans have been based on information extracted

from the records of the various service authorities and must be regarded as approximate only:

1. The Engineer does not guarantee either the accuracy of the information or the location of

such apparatus as shown on the Contract plans

2. No warranty must be implied as to the position, depth, size or gradient thereof

ENERAL

c. Before opening up the ground for any purpose the Contractor must:

Notify all concerned parties by issue of a formal “notice of intent”

2. Obtain information by formal notice regarding the location of all underground services

3. Complete responsibility for obtaining this information rests with the Contractor or party

requiring to open up the ground

“Notices of Intent” are required to be circulated to all concerned parties. Contract plans and
notices shall be sent in duplicate, one of which shall be retained by the addressee and the
other returned to the sender duly marked to show all services within the proposed works.

e. "Notice of Intent" will be given 14 (fourteen) days in advance of the proposed works:

In the event that the work is not started within 8 (eight) weeks of the date of the “Notice of
Intent”, it will be deemed to have elapsed

A further “Notice of Intent” will then be submitted

f. All locating work shall be carried out in advance of excavation work

1. The Contractor shall obtain all information and assistance available from the service

Authorities for locating the mains and services

2. Engineer's approval shall be obtained for any trial excavations that may be necessary to

confirm or establish the locations

3. Absence of such information shall not relieve the Contractor of his liability for:

Cost of any repair work necessitated by damage caused by him to such mains and
services in the course of his work

ii.

Cost of all losses arising from their disruption

iii.

All costs for executing any bore holes and trial holes shall be deemed to be included
in the Contractor's rates for the relevant item or items in the bills of quantities

g. No public or private facility shall be extinguished or interrupted without the written permission

of the Engineer. Such permission will not be given until:

1. Suitable permanent or temporary alternatives approved by the Engineer have been

provided by the Contractor, or

2. In the case of accommodation works, by the Owner of the facility or his agents.

h. The Contractor shall make arrangements with the service and public authorities concerned for

the phasing into his program of works of all work that needs to be done by:

1. Service and public authorities concerned or their Contractors

2. The Contractor himself concurrently with the works

i. The Contractor shall take any and all measures reasonably required by any public or service

authority for the support and full protection of all mains, pipes, cables and other apparatus
during the progress of the works

1. Construct and provide to the satisfaction of the authority concerned, all works necessary for

the prevention of damage or interruption of services at no additional cost to the Owner

2. If in the execution of the works, by reason of any subsidence caused by, or any act of

neglect or default of the Contractor, any damage to any apparatus or any interruption of, or
delay to the provision of any service is caused, the Contractor shall:

Report it to the Engineer immediately

ii.

Bear and pay the cost reasonably incurred by the authority concerned in making good
such damage

ENERAL

iii.

Make full compensation to the authority for any loss sustained by reason of such
interruption or delay

j. The Contractor shall, at all times during the progress of the works, afford facilities to properly

accredited agents of any public service authority for access to all or to any of their apparatus
situated in or under the site, as may be necessary for:

1. Inspection, reporting, maintaining, removing, renewing or altering such apparatus in

connection with the construction of the works

2. Any other purposes whatsoever

k. Absence of information shall not relieve the Contractor of his liability for the cost of:

1. Any repair work necessitated by damage caused by him to such mains and services in the

course of his work

2. All losses arising from their disruption

l. Any temporary or permanent diversion of mains and services will only be permitted after

agreement with the appropriate service authority and the Engineer:

1. Permanent diversions will only be considered where:

Main or service occupies the line and level of the pipe work or structure to be
constructed by the Contractor

ii.

Position of the main or service completely prevents construction

2. Only permanent diversions that the Engineer considers essential for the above reasons will

be measured and paid for under the items in the bills of quantities

3. Temporary diversion and restoration of mains or services shall be at the Contractor's

expense

1.12.6

Protection of Existing Property and Utilities

The Contractor shall comply with the following requirements and specifications to protect existing
property and utilities.

a. The Contractor shall conduct his operations in such a manner as to avoid injury or damage to:

1. Adjacent property

2. Improvements

3. Facilities

b. The Contractor shall protect from injury or damage to adjacent property; improvements or

facilities including but not limited to the following:

1. Buildings

2. Trees

3. Landscaping and planting areas

4. Ground cover

5. Shrubbery

6. Pole lines

7. Fences

8. Guard rails

9. Guide posts

10. Culvert and property markers

11. Signs

12. Structures

LECTRICAL

ISTRIBUTION

ORKS

LIGHTING AND ELECTRICAL DISTRIBUTION
WORKS

Specifications for the construction of the Roadway Lighting and Low Voltage Electrical Networks,
which consists of all associated el earthworks, supply and installation of all materials, all testing
requirements and all subsidiary and related work items, shall be consistent with the requirements of
the latest issue of: -

1. PR 402- Abu Dhabi Lighting Manual

All Electrical Distribution requirements shall be as per the requirements of: -

1. Abu Dhabi Water and Electricity Authority (ADWEA)

2. Al Ain Distribution Company (AADC)

3. Abu Dhabi Distribution Company (ADDC)

4. Department of Energy Electricity Wiring Regulations (DOE EWR)

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