NEC4: Engineering and Construction Contract Flow Charts
These flow charts depict the procudures followed when using the NEC4 Engineering and Construction Contract (ECC). They are intended to help people using the ECC to see how the various ECC core clauses and Options come together to produce clear and precise sequences of action for the people involved.
13 Communications Sheets 1 to 3 3
14 The Project Manager and the Supervisor 6
15 Early warning Sheets 1 and 2 7
16 Contractor’s proposals Sheets 1 and 2 9
17 Requirements for instructions Sheets 1 and 2 11
18 Corrupt Acts 13
19 Prevention 14
20 Providing the Works Sheets 1 and 2 15
21 The Contractor’s design 17
22 Using the Contractor’s design 18
23 Design of Equipment 19
24 People 20
25 Working with the Client and Others 21
26 Subcontracting 22
27 Other (Contractor) responsibilities 23
28 Assignment 24
29 Disclosure 25
30 Starting, Completion and Key Dates Sheets 1 and 2 26
31 The programme Sheets 1 and 2 28
32 Revising the programme 30
33 Access to and use of the Site 31
34 Instruction to stop or not to start work 32
35 Take over Sheets 1 and 2 33
36 Acceleration 35
40 Quality management system 36
41 Tests and inspections Sheets 1 and 2 37
42 Testing and inspection before delivery 39
43 Searching for and notifying Defects 40
44 Correcting Defects Sheets 1 and 2 41
45 Accepting Defects 43
46 Uncorrected Defects 44
50 Assessing the amount due Sheets 1 to 7 45
iv Flow Charts for the Engineering and Construction Contract neccontract.com © nec 2017
CONTENTS
51 Payment Sheets 1 and 2 52
52 Defined Cost 54
53 Final assessment Sheets 1 and 2 55
54 The Contractor’s share (Option C and D) Sheets 1 and 2 57
55 The Activity Schedule (Option A) 59
56 The Bill of Quantities (Option B and D) 60
60 Compensation events Sheets 1 to 7 61
61 Notifying compensation events Sheets 1 to 4 68
62 Quotations for compensation events Sheets 1 and 2 72
63 Assessing compensation events Sheets 1 to 3 74
64 The Project Manager’s assessments Sheets 1 and 2 77
65 Proposed instruction 79
66 Implementing compensation events 80
70 The Client’s title to Plant and Materials 81
71 Marking Equipment, Plant and Materials outside 82
the Working Areas
72 Removing Equipment 83
73 Objects and materials within the Site 84
74 The Contractor’s use of material 85
80 Client’s liabilities Sheets 1 to 3 86
81 Contractor’s liabilities 89
82 Recovery of costs 90
83 Insurance cover 91
84 Insurance policies 92
85 If the Contractor does not insure 93
86 Insurance by the Client 94
90 Termination 95
91 Reasons for termination Sheets 1 to 5 96
92 Procedures on termination 101
93 Payment on termination 102
W1 Resolving disputes Sheets 1 to 4 103
W2 Resolving disputes Sheets 1 to 5 107
W3 Avoiding disputes Sheets 1 to 3 112
X1 Price adjustment for inflation 115
(used only with Options A, B, C and D)
X2 Changes in the law 116
X3 Multiple currencies 117
(used only with Options A and B)
X4 Ultimate holding company guarantee 118
X5 Sectional Completion 119
X6 Bonus for early Completion 120
X7 Delay damages 121
X8 Undertakings to the Client or Others 122
X9 Transfer of rights 123
X10 Information modelling 124
X12 Multiparty collaboration Sheets 1 to 3 125
(not used with Option X20)
X13 Performance bond 128
X14 Advanced payment to the Contractor 129
X15 The Contractor’s design 130
© nec 2017 neccontract.com Flow Charts for the Engineering and Construction Contract v
CONTENTS
X16 Retention (not used with Option F) 131
X17 Low performance damages 132
X18 Limitation of liability 133
X20 Key Performance Indicators 134
(not used with Option X12)
X21 Whole life cost 135
X22 Early Contractor involvement Sheets 1 to 3 136
(used only with Options C and E)
Y(UK)1 Project Bank Account Sheets 1 to 3 139
Y(UK)2 The Housing Grants, Construction and 142
Regeneration Act 1996
Y(UK)3 The Contracts (Rights of Third Parties) Act 1999 143
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