2. In this Notification, unless the context otherwise requires —
“abnormal indivisible load” means a load which —
(a)
cannot without undue expense or risk of damage be divided into 2 or more loads for the purpose of conveyance on a road; and
(b)
cannot, owing to its dimensions or weight, be carried by a motor vehicle or trailer complying in all respects with the requirements of the Rules;
“engineering plant” means movable plant or equipment which does not comply in all respects with the requirements of the Rules, and which is either —
(a)
a motor vehicle or trailer specially designed and constructed for use in connection with engineering operations and which is only used on a road in proceeding to and from the site of such operations or when actually engaged in such operations and carrying no load other than its own necessary gear or equipment;
(b)
a trailer (including a tar boiler or road material mixing apparatus but excluding any other trailer used for the carriage of road material or similar burden), used for the purposes of, or a living van used in connection with, the construction, maintenance and repair of roads; or
(c)
a mobile crane which is only used on a road in proceeding from one place to another and not for the purpose of the lifting or transportation of goods or burden otherwise than when actually engaged in engineering operations;
“Rules” means the Road Traffic (Motor Vehicles, Construction and Use) Rules (R 9).