The Preliminaries to the Claim - Construction Claims and Responses: Effective Writing and Presentation - page 96

After receiving this notice, the Engineer shall proceed in accord-
ance with Sub- Clause 3.5 [Determinations] to agree or determine
(i) whether and (if so) to what extent the error could not reason-
ably have been discovered, and (ii) the matters described in sub-
paragraphs (a) and (b) above related to this extent.'
5 . '8.4 Extension of Time for Completion
The Contractor shall be entitled subject to Sub-Clause 20.1
[Contractor ' s Claims] to an extension of the Time for Completion
if and to the extent that completion for the purposes of Sub-Clause
10.1 [Taking Over of the Works and Sections] is or will be delayed
by any of the following causes:
(a) a Variation (unless an adjustment to the Time for Completion
has been agreed under Sub-Clause 13.3 [Variation
Procedure] ) or other substantial change in the quantity of
an item of work included in the Contract,
(b) a cause of delay giving an entitlement to extension of time
under a Sub-Clause of these Conditions,
(c) exceptionally adverse climatic conditions,
(d) Unforeseeable shortages in the availability of personnel or
Goods caused by epidemic or governmental actions, or
(e) any delay, impediment or prevention caused by or attribut-
able to the Employer, the Employer's Personnel, or the
Employer's other contractors on the Site.
If the Contractor considers himself to be entitled to an extension
of the Time for Completion, the Contractor shall give notice to
the Engineer in accordance with Sub- Clause 20.1 [Contractor ' s
Claims] . When determining each extension of time under Sub-
Clause 20.1, the Engineer shall review previous determinations
and may increase, but shall not decrease, the total extension of
time.'
6 . '8.5 Delays Caused by Authorities
If the following conditions apply, namely:
(a) the Contractor has diligently followed the procedures laid
down by the relevant legally constituted public authorities
in the Country,
(b) these authorities delay or disrupt the Contractor's work,
and
(c) the delay or disruption was Unforeseeable,
then this delay or disruption will be considered as a cause of delay
under subparagraph (b) of Sub-Clause 8.4 [Extension of Time for
Completion] . '
7 . ' 8.7 Delay Damages
If the Contractor fails to comply with Sub-Clause 8.2 [Time for
Completion] , the Contractorshall subject to Sub-Clause 2.5
[Employer ' s Claims] pay delay damages to the Employer for this
default. These delay damages shall be the sum stated in the