ISO 10845-3:2011

INTERNATIONAL ISO
STANDARD 10845-3
First edition
2011-01-15
Construction procurement —
Part 3:
Standard conditions of tender
Marchés de construction —
Partie 3: Conditions types normalisées des soumissions

Reference number
©
ISO 2011
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ii © ISO 2011 – All rights reserved

Contents Page
Foreword .v
Introduction.vi
1 Scope.1
2 Terms and definitions .1
3 General requirements .4
3.1 Actions.4
3.2 Tender documents .4
3.3 Interpretation .4
3.4 Communication and employer's agent .4
3.5 Employer's right to accept or reject any tender offer.4
3.6 Procurement procedures.5
3.6.1 General .5
3.6.2 Competitive negotiation procedure.5
3.6.3 Proposal procedure using the two-stage tendering system.5
4 Tenderer's obligations .6
4.1 Eligibility.6
4.1.1 Submit a tender offer .6
4.1.2 Notify the employer.6
4.2 Cost of tendering.6
4.3 Checking documents .6
4.4 Confidentiality and copyright of documents.6
4.5 Reference documents.6
4.6 Acknowledging addenda .6
4.7 Clarification meeting.6
4.8 Seeking clarification.6
4.9 Insurance.7
4.10 Pricing the tender offer.7
4.11 Alterations to documents .7
4.12 Alternative tender offers.7
4.13 Tender submissions.7
4.13.1 General submission requirements .7
4.13.2 Signatures .8
4.13.3 Tender securities.8
4.13.4 Inclusion of certificates .8
4.13.5 Sealing of documents .8
4.13.6 Employer's acceptance of tender submissions.8
4.14 Information and data to be completed in all respects.8
4.15 Closing time .8
4.16 Tender offer validity .9
4.16.1 Period of validity.9
4.16.2 Withdrawal of tenders.9
4.17 Clarification of tender offer after submission .9
4.18 Other material .9
4.19 Inspections, tests and analysis .9
4.20 Submitting securities, bonds, policies, etc. .9
4.21 Checking final draft.9
4.22 Returning other tender documents .10
5 Employer's undertakings.10
5.1 Responding to requests from the tenderer .10
5.2 Issuing addenda. 10
5.3 Returning late tender offers. 10
5.4 Opening of tender submissions. 10
5.5 Two-envelope system . 11
5.6 Non-disclosure. 11
5.7 Grounds for rejection and disqualification . 11
5.8 Test for responsiveness . 11
5.9 Arithmetical errors, omission and discrepancies . 11
5.10 Clarification of a tender offer. 12
5.11 Evaluation of tender offers . 12
5.11.1 General. 12
5.11.2 Method 1: Financial offer . 12
5.11.3 Method 2: Financial offer and quality . 13
5.11.4 Method 3: Financial offer and preferences . 13
5.11.5 Method 4: Financial offer, quality and preferences. 14
5.11.6 Decimal places. 14
5.11.7 Scoring financial offers. 14
5.11.8 Scoring preferences . 15
5.11.9 Scoring quality. 15
5.12 Insurance provided by the employer. 15
5.13 Acceptance of a tender offer . 15
5.14 Preparing contract documents. 16
5.15 Completing adjudicator's contract . 16
5.16 Notice to successful and unsuccessful tenderers. 16
5.17 Providing copies of the contracts. 16
5.18 Returning of tender securities. 16
5.19 Providing written reasons for actions taken. 16
Annex A (informative) Commentary . 17
Annex B (informative) Tender data. 36
Annex C (informative) Evaluating tender offers. 42
Annex D (informative) Example of a tender security. 58
Bibliography. 59

iv © ISO 2011 – All rights reserved

Foreword
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(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/I
...