QCS Section 1 Part 1 (general)

QCS 2007

Section 1

Part 1

Introduction

Page 1

1.

INTRODUCTION............................................................................................2

1.1

GENERAL GENERAL ..................... ................................ ...................... ..................... ..................... ...................... ...................... ..................... ................2 ......2

1.1.1 1.1.2 1.1.3 1.1.4

Scope of this Section Scope of the Qatar Construction Specification References Precedence of Specification and Documents

1.2

COMPLIANCE COMPLIANCE ...................... ................................ .................... ..................... ..................... ..................... ...................... .................... ..........2 .2

1.2.1 1.2.2

Compliance with the Qatar Construction Specification Compliance with the General Conditions of Contract

1.3

STANDARDS STANDARDS .................... ............................... ..................... .................... ..................... ..................... ..................... ..................... ..............3 ....3

1.3.1 1.3.2 1.3.3

References to Standards 3 Government Published Specifications, Regulations, Notices and Circulars 3 Survey Marks 4

1.4

TERMS AND DEFINITIONS DEFINITIONS .................... .............................. .................... ..................... ..................... ..................... .............4 ..4

1.4.1 1.4.2 1.4.3 1.4.4 1.4.5 1.4.6 1.4.7 1.4.8 1.4.9 1.4.10 1.4.11 1.4.12 1.4.13 1.4.14 1.4.15 1.4.16 1.4.17 1.4.18 1.4.19

General The Contract The Government The Contractor The Engineer The Engineer’s Representative The Owner The Site The Works The Drawings The Construction Plant The Temporary Works The Specifications Specified Approved Project Documentation Guarantee Government Departments and Utility Services Singular and Plural

1.5

ABBREVIATION ABBREVIATIONS S AND SYMBOLS SYMBOLS ...................... ................................ ..................... ...................... ....................6 .........6

1.5.1

General

1.6

CLIMATE CLIMATE CONDITIONS CONDITIONS ...................... ................................. ...................... ...................... ...................... ...................... ..............8 ...8

1.6.1

General

1.7

LANGUAGE LANGUAGE ...................... ................................. ..................... ..................... ...................... ...................... ...................... .................... ............8 ...8

1.7.1

Contract Language

Qatar General Organization for Standards and Metrology rd QCS 2007, 3 Edition

2 2 2 2 2 2

4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 8 8

QCS 2007

Section 1

Part 1

Introduction

Page 2

1.

INTRODUCTION

1.1

GENERAL

1.1.1

Scope of this Section

1

This Section specifies the general clauses applicable to Works being carried out in accordance with this Specification.

1.1.2

Scope of the Qatar Construction Specification

1

The clauses in this Specification are applicable in varying degrees to each and every part of the Works. Their function is to bring together all those statements which are normally common to most types of work.

2

The Qatar Construction Specification applies to the entire Works, whether on the Site or in yards, workshops and factories employed elsewhere in connection with the Works.

3

Any clauses in this Specification which relate to work or materials not required by the Works shall be deemed not to apply.

1.1.3

References

1

The following standards are referred to in this Part: BS 5775 BS 6100

Quantities, units and symbols Building and civil engineering terms

1.1.4

Precedence of Specification and Documents

1

The precedence of documents shall be: (a) (b) (c) (d) (e)

Particular Conditions of Contract General Conditions of Contract Project Specific Specification Project Specific and General Drawings Qatar Construction Specification

1.2

COMPLIANCE

1.2.1

Compliance with the Qatar Construction Specification

1

Unless otherwise stated in the Project Documentation, the Contractor shall comply with every requirement of the Qatar Construction Specification that is relevant to the type of work forming any part of the Contract and shall adopt whichever permissible option or alternative that is best suited to the needs of the construction work being undertaken.

2

Any information in the Contract documents as to the whereabouts of existing services and mains is approximate and for the guidance of the Contractor who shall not be relieved of his obligations under Clause 11 of the General Conditions of Contract or Part 19 of Section 1 of this Specification.

1.2.2

Compliance with the General Conditions of Contract

1

The Qatar Construction Specification is intended for use with the General Conditions of Contract.

2

The Contractor shall comply with the provisions of the General Conditions of Contract in the course of construction of the Works.


QCS 2007

Section 1

Part 1

Introduction

Page 3

1.3

STANDARDS

1.3.1

References to Standards

1

Any standard referred to in this Specification shall be deemed to be the version of the standard that was current forty-two days prior to the date of return of Tenders.

2

Any standard referred to in this Specification shall be construed as reference to an equivalent one.

3

The Contractor shall provide copies of all referenced standards applicable to the work being undertaken. Translations of standards not written in English shall be provided where necessary.

1.3.2

Government Published Specifications, Regulations, Notices and Circulars

1

The works shall be executed in accordance with the following Government specifications, regulations, notices and circulars: (a) (b)

(c) (d) (e) (f) (g) (h)

(i) (j)

(k) (l)

(m) (n) (o) (p)

The General Conditions of Contract prepared by the former Ministry of Public Works. The Qatar Construction Specification (QCS) issued by the Qatar General Organisation for Standards and Metrology, 2007 and all revisions and addenda issued by QGOSM prior to the date of the announcement inviting tenderers. The Code of Practice and Specification for Road Openings in the Highway prepared by the Ministry of Industry & Public Works, January 1992. The Guide for Civil Users of Explosives in Qatar prepared by the former Ministry of Public Works. The Qatar Survey Manual prepared by the Survey Section of the former Ministry of Industry & Public Works. The Qatar Traffic Manual prepared by the former Ministry of Public Works and the Qatar Highway Design Manual prepared by MMAA, 1997. The Traffic Control at Road Works Manual issued by the former Ministry of Industry & Public Works. Rules, Regulations and Code of Practice for Design and Installation of Air Conditioning, Heating, Ventilation & Refrigeration (ACHVR) Systems for Government Buildings, 2nd Edition, 1989, prepared by Qatar General Electricity and Water Corporation (QGEWC). Regulations for the Installation of Electrical Wiring by the former Qatar National Telephone Services. The Regulations for the Installation of Electrical Wiring, Electrical Equipment and Air Conditioning Equipment, Feb 2006 Edition prepared by the Qatar General Electricity and Water Corporation (QGEWC). Rules and Regulations for Plumbing Works prepared by the Qatar General Electricity and Water Corporation (QGEWC). Any current and relevant regulations, notices or circulars issued by the Public Works Authority, Ministry of Municipal Affairs & Agriculture (including the previous Ministry of Public Works and the previous Ministry of Industry and Public Works), Qatar General Electricity and Water Corporation (QGEWC) (including the previous Ministry of Electricity and Water), Qatar Telecom (Q-TEL), the Qatar General Organisation for Standards and Metrology, the Supreme Council for the Environment and Natural Reserves or the appropriate local Municipality prior to the date of the announcement inviting tenderers. State of Qatar Law No. 30 of 2002 and all subsequent amendments concerning “The Environment and Natural Resources Protection” – Articles 6, 17, 19 & 35. State of Qatar Law No. (6) of 1987 and all subsequent amendments concerning Materials and Equipment from Qatar or other CCASG countries. The Method of Measurement for Road and Bridgeworks published by the Ministry of Industry and Public Works, Civil Engineering Department , 1987. Standard Method of Measurement of Building Works published by the Ministry of Public Works, Engineering Services Department, 1973.


QCS 2007 (q) (r) (s) (t)

Section 1

Part 1

Introduction

Page 4

Safety Rules issued by the Electricity Networks Department of the former Ministry of Electricity and Water. The Jointing Manual prepared by the Electricity Networks Department of the former Ministry of Electricity and Water. The Labour Law, No. (14) of The Year 2004 Published by Labour Department of Ministry of Civil Service Affairs & Housing, 2005. Developer’s Drainage Guide prepared by the Public Works Authority, 2007.

2

The Contractor shall be deemed to have his own copy of the Government specifications, regulations, notices and circulars given at (a) to (t) above.

3

Where any standard publication, specification, regulation, notice, etc or any correspondence refers to a Government Ministry, department, division, section, etc it will be deemed to be the same as any successor Ministry, department, division, section, etc which has or may subsequently be officially promulgated by the Government of the State of Qatar.

1.3.3

Survey Marks

1

The Contractor shall consult the Engineer prior to any earth or other works to determine if the work is likely to disturb survey marks. If the Engineer requires a survey mark to be moved the Contractor will be responsible for recreating the survey mark to an approved design and specification, and for resurveying the point using survey companies approved by the Engineer authority.

2

The Contractor shall be responsible for the protection of the survey marks within the boundaries of the site for the duration of the contract period, and shall be liable for all costs of any remedial work required by the Engineer.

3

On the practical completion of the Works the Engineer will issue a certificate stating that all survey marks, whether disturbed or otherwise by the Contractor, have been reinstated or protected to the satisfaction of the Engineer.

4

In the event of failure to comply with the requirements of this Clause the Engineer, without prejudice to any other method of recovery, may deduct the costs of any remedial work after the practical completion date carried out by the Engineer, from any monies in its hands or which may become due to the Contractor.

1.4

TERMS AND DEFINITIONS

1.4.1

General

1

Terms and definitions shall comply with the relevant provisions of BS 6100.

2

The following terms and conditions shall apply when used within, or in association with, the Qatar Construction Specification. Terms, which are restricted in their application to certain types of material or workmanship, are dealt with in the appropriate Section.

1.4.2

The Contract

1

The binding agreement between the Government and the Contractor for the construction of the Works.

1.4.3

The Government

1

The Government of the State of Qatar.

1.4.4

The Contractor

1

The company or organisation responsible for the construction of the Works, and who have entered into a contract with the Government.


QCS 2007

Section 1

Part 1

Introduction

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1.4.5

The Engineer

1

The person, firm or corporation appointed as such by the Owner for the purposes of the Contract unless specified otherwise in the Project Documentation.

1.4.6

The Engineer’s Representative

1

The resident engineer or resident architect or assistant of the Engineer or any Clerk of Works appointed from time to time by the Engineer to perform the duties set forth in Clause 2 of General Conditions of Contract whose authority shall be notified in writing to the Contractor by the Engineer.

1.4.7

The Owner

1

The Ministry, Municipality, Department, Affairs, Agency, Authority, or individual for whom the Project is being undertaken and to whom the hand over of the final product will be made.

1.4.8

The Site

1

The land allocated for the Works.

1.4.9

The Works

1

The Works as defined in the Project Documentation.

1.4.10

The Drawings

1

The drawings included in the Project Documentation.

1.4.11

The Construction Plant

1

All appliances or things of whatsoever nature required in or about the execution, completion or maintenance of the Works or Temporary Works but does not include materials or other things intended to form or forming part of the permanent work.

1.4.12

The Temporary Works

1

All temporary works of every kind required in or about the execution, completion or maintenance of the Works.

1.4.13

The Specifications

1

All specifications contained in the Contract including any modifications or additions thereto as may from time to time be issued or approved in writing by the Engineer.

1.4.14

Specified

1

Specified in the Project Documentation.

1.4.15

Approved

1

Terms such as “approved’, “approved by”, “to the approval”, “as directed” and the like refer always to approval or directions given by the Engineer in writing.

1.4.16

Project Documentation

1

All documents associated with and applicable to the Project Contract.


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Section 1

Part 1

Introduction

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1.4.17

Guarantee

1

A Guarantee is a written assurance that a material, product, component, item of equipment, finishing or any other part of the Works meets certain defined standards or quality criteria and/or lasts for a certain length of time.

2

A warranty is the same as a Guarantee as defined in Clause 1.4.17.1.

1.4.18

Government Departments and Utility Services

1

Any reference in the Specification to historic names of Government departments and utility owners shall be read as the successor’s name.

2

TPA (Third Party Inspection Agency) - where stated in the documents is the approved authority who is responsible on behalf of the Engineer for inspection/service/release.

1.4.19

Singular and Plural

1

Words importing the singular only also include the plural vice versa where the context requires.

1.5

ABBREVIATIONS AND SYMBOLS

1.5.1

General

1

Units shall generally be in accordance with the Systèm International d’Unités and the relevant provisions of BS 5775.

2

The following abbreviations are used in this Specification: c k m M

centi kilo milli mega

A C d g h ha l J m N Pa sec t V W

ampere Celsius day gram (me) hour hectare litre joule metre Newton Pascal second tonne volt Watt

AC CI CPVC DC DI GRP GS MSRPC OPC PFA

Alternating Current cast iron chlorinated polyvinyl chloride Direct Current ductile iron glass reinforced plastic galvanised steel moderately sulphate resisting Portland cement ordinary Portland cement pulverised fuel ash


QCS 2007

3

Section 1

Part 1

Introduction

PVC PVC-U SRPC SS VC XLPE ACB MCB MMCB ELCB PWM LAN HP THD UPS

polyvinyl chloride unplastisised polyvinyl chloride (uPVC) sulphate resisting Portland cement stainless steel vitrified clay cross linked poly ethylene air circuit breakdown miniature circuit breakdown moulded case circuit breakdown earth leakage circuit breakers pulse width modulation local area network horse power total harmonic distortion uninterrupted power supply

dia nr No. r

diameter number number radius

Page 7

Reference to a technical society, institution, association or governmental authority is made in the Specifications in accordance with the f ollowing abbreviations: AASHTO ACI ANSI ASME ASTM AWS AWW A BS BS EN BSI C & CA CEE CIBSE CIRIA CRSI CS DIN EIA EN FHWA FM GS ICE IEC IEE IEEE ISO LPC LPCB MMAA NEMA NFPA PCI PWA QCS QGEWC

American Association of State Highway and Transportation Officials American Concrete Institute American National Standards Institute American Society of Mechanical Engineers American Society for Testing & Materials American Welding Institute American Water Works Association British Standard British Euro Standards British Standard Institution Cement and Concrete Association Commission of approval of Electrical Equipment Chartered Institution of Building Services Engineers Concrete Industry Research and information Association Concrete reinforcing Steel Institute Concrete Society Deutsches Institute fur Normung Electronic industries Association European Standards (Euro-Norm) Federal Highway Authority Factory Mutual Engineering Division Gulf Standards Institution of Civil Engineers International Electrotechnical Commission Institution of Electrical Engineers Institute of Electrical and Electronic Engineering International Standard Organisation Loss Prevention Council Loss Prevention Certification Board Ministry of Municipal Affairs and Agriculture National Electrical Manufacturer’s Association National Fire Protection Agency Prestressed Concrete Institute Public Works Authority Qatar Construction Specification Qatar General Electricity & Water Corporation


QCS 2007

Section 1

QGOSM QGOSM-CLCD QS Q-TEL SIS UK DOT UL UPDA VDE

Part 1

Introduction

Page 8

Qatar General Organization for Standards and Metrology Central Laboratories and Calibration Department (Qatar General Organization for Standards and Metrology) Qatar Standards Qatar Telecom Swedish Standards Commission United Kingdom Department of Transport Underwriters Laboratories, Inc Urban Planning and Development Authority German Electrical Commission

1.6

CLIMATE CONDITIONS

1.6.1

General

1

The Site conditions shall be assumed to be as follows for tendering purposes: Maximum ambient temperature

50 C

Minimum ambient temperature

5 C

°

°

Design ambient temperature

50 C

Maximum metal temperature under the sun

85 C

Maximum ambient humidity

100%

Minimum ambient humidity

20%

°

°

Design ambient humidity

100%

Basic wind speed of not less than

162 km/hr

(as per CP3 : Chapter V : part 2 of the BSI) Yearly rainfall

80 - 150 mm

2

The temperature is relatively mild from October to May and hot from June to September.

3

The relative ambient humidity is generally low from October to May and generally high from June to September.

4

Under certain climatic conditions, considerable condensation may take place.

5

A considerable amount of salt is contained in the atmosphere which together with the relatively high ambient humidity, can produce sever corrosion problems.

6

Distribution and occurrence of rainfall events are very erratic. Rainfall events are generally of a high intensity with a short duration and usually occur between Decem ber and March.

7

The prevailing wind directions are from the north and west.

1.7

LANGUAGE

1.7.1

Contract Language

1

All communications, meetings and documentation shall be in English.


QCS 2007

Section 1

Part 1

Introduction END OF PART


Page 9

QCS Section 1 Part 1 (general)

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