2.6.1 General
The Contractor shall indicate and include in his scope of supply all the start-up commissioning spares. The contractor shall further separately indicate the prices of recommended spares necessary for three (3) years continuous operation, in addition to mandatory spares. The Contractor shall also identify the total population of each item of spares both mandatory, and recommended, and their service life expectancy under normal operation conditions, with his bid in the form of Schedules. All spares supplied under this contract shall be strictly interchangeable with the parts for which they are intended for replacement. The spares shall be treated and packed for long storage under the climatic conditions prevailing at the site e.g. small items shall be packed in sealed transparent plastic bags, with desiccator packs as necessary. Each spare part shall be clearly marked or labeled on the outside of the packing, together with the description. When more than one spare part is packed in single case, a general description of the contents shall be shown on the outside of the case, and detailed list enclosed. All cases, containers and other packages must be suitably marked and numbered for the purpose of identification. All cases, containers or other packages are liable to be opened for examination, as may be considered necessary by the Engineer.
2.6.2 Mandatory Spares Parts The list of mandatory spares which are considered essential by the Owner shall be indicated and the Bidder shall quote prices for all these spares. The Bidder shall furnish the itemized and total price for these spares mentioned in the above annexure . Further, wherever the spares are indicated as a percentage, and result in a number plus fraction, the same shall be converted to the next whole number. In compliance with the requirements of ITB, the prices for mandatory spares must be given separately, and shall be used for bid evaluation purposes. All mandatory spares shall be delivered to site alongwith corresponding main equipment.
2.6.3 Recommended Spares In addition to the mandatory spares, the Contractor shall also provide a list of recommended spares giving unit prices, and total prices for 3 years of normal operation of the equipment, in the relevant schedule of the BPS, This list shall take into consideration the mandatory spares specified in Annexure-GO-VI, and should be a separate list. The Owner reserves the right to buy any, or all the recommended spares. The recommended spares parts shall be delivered to the project site atleast two months before the scheduled date of trial operation of the system.
The list of recommended spares to be furnished by the successful bidder should contain the following :
(i) Population of each item installed alongwith reference drawing number. (ii) Service life expectancy of each item.
(iii) Offer validity period
(iv) Price justification Prices of recommended spares will not be used for evaluation of the bids. The prices of these spares will remain valid for a period of not less than 1 year after the date on which the validity of main Bid expires. Whenever, recommended spares are the same as mandatory spares, then the prices of the mandatory spares and such common recommended spares shall be the same. Further, the prices of any recommended spares, which are not common with mandatory spares listed in this volume, shall be subject to review by the Owner and shall be finalised after mutual discussions.
2.6.4 Start-up Commissioning Spares Start-up commissioning spares are those spares which may be required during the start up and commissioning of the equipment/system. All spares used until the plant is handed over to the Owner shall come under this category. The Contractor shall provide for an adequate stock of such start up commissioning spares to be brought by him to the site for the plant erection and commissioning. They must be available at site before the equipment are energized and the unused spares, if any, should be removed from there only after the issue of taking over certificate. All start up spares which remain unused at that time shall remain the property of the Contractor. The list of commissioning spares to be brought by the Contractor to ensure smooth commissioning of the plant will be subject to Owner’s approval. Contractor shall submit a complete list of all such start up spares. The cost of commissioning spares if any and consumed before the handing over of the plant shall be deemed to have been included in the lumpsum proposal price of the package and the Contractor shall have no claim on this account to the Owner. No mandatory or recommended spares will be used during startup and commissioning of the equipment/plant.

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