Document - irpmu.railnet.gov.in

During inspection of installation by Railway Engineer the contractor shall make
such tests as would be necessary to demonstrate to the satisfaction of the Railway
that the work as completed by him is in accordance with the specifications of the
contract. The contractor shall provide such instruments and apparatus as may be
necessary for making these tests.
19. QUANTUM OF WORK AND VARIATION IN QUANTITIES
19.1 The quantities of various items given in the schedules for the works to be
executed are only approximate and are only for the guidance of the contractor. As
far as possible, they have been assessed correctly but are likely to vary during the
execution of the work.
19.2 Individuals NS items in contracts shall be operated with variation of plus or minus
25% and payment would be made as per the agreement rate.
19.4 The limit for varying quantities for minor value items shall be 100% (as against
25% prescribed for other items). A minor value item for this purpose is defined as
an item whose original agreement value is less than 1% of the total original
agreement value.
19.5 As far as SOR items are concerned, the limit of 25% would apply to the value of
SOR schedule as a whole and not on individual SOR items. However, in case of
NS items, the limit of 25% would apply on the individual items irrespective of the
manner of quoting the rate (single percentage rate or individual item rate).
19.6 No such quantity variation limit shall apply for foundation items.
19.4 When the gross value of the work to be executed is likely to increase in excess of
25% of the original value of the agreement, the contractor should notify the
Engineer in –charge at least one week before such necessity arises.
19.5 Railway reserves the right to refix the rates, by mutual consent, of those items in
the schedule, where the quantities have exceeded by 25% of the agreemental
quantities.
19.6 An undertaking shall be given to the effect that additional quantities up to 25% of
the contract value at the same unit rates shall be supplied by the tenderer in case
order for the additional quantity is placed within the currency period of contract.
It should be noted that this excludes additional quantities that may be required as
warranty or replacement due to defective design and manufacture etc. On this
account, the responsibility of the tenderer under the warranty clause will not be
diluted in any way.
Signature of contractor Page 63 of 104 Dy CSTE/Proj/IRPMU/CNB