4  Condition Surveys

4.1  The Service Provider shall carry out Condition Surveys on all Project Roads each Contract Year during the Contract Period in accordance with this Schedule 7 and any applicable Highways Standards.  

4.2  The Service Provider shall ensure that Condition Surveys necessary in order to comply with NI 168, NI 169, [BVPI 187], [BVPI 97b] and [BVPI 224b] (or such replacement or successor local government performance indicators) are undertaken in accordance with the guidance in respect of such [BVPIs] and NIs issued by the DfT from time to time.

4.3  The Service Provider shall carry out Deflectograph Surveys (or surveys which provide the same type of structural data provided such alternative surveys have been agreed in writing by the Authority in advance of the Service Provider carrying out such surveys) on the Strategic and Main Distributor Network (save in respect of newly resurfaced Carriageways) annually during the Core Investment Programme Period.  

4.4  Following completion of the Core Investment Programme Period, the Service Provider shall carry out Deflectograph Surveys (or such alternative surveys as have been agreed between the parties pursuant to paragraph 4.3) on one third of the Strategic and Main Distributor Network annually (so that all of the Strategic and Main Distributor Network is surveyed every three (3) years).

4.5  The Service Provider shall ensure that the Deflectograph Surveys required to be carried out in accordance with paragraphs 4.3 and 4.4 are carried out in sufficient time (and in any event at least by 1 October each Contract Year) so that the data is available to be used by the Authority in the NCI Calculation Methodology on 1 November in each Contract Year.

4.6  The Service Provider shall carry out DVI on half of all:

(a)  Carriageways;

(b)  Footpaths;

(c)  Kerbs; and

(d)  Verges,

within the Project Network annually (so that a DVI is carried out on all Carriageways, Footpaths, Kerbs and Verges every two (2) years).