Download - Daman and Diu Electricity Department, Government of ...

SECTION - I
1-A GENERAL TERMS AND CONDITIOINS
1.1 Electricity Department, UT of Daman & Diu is setting up 66/11 KV, 2 x 15 MVA, 66KV
Sub along with 66 KV D/C line, as shown in single line diagram at Bhimpore Daman. The
location at 15Kms away from Vapi Railway Station on Western Railway.
1.2 This tender covers the design, engineering, manufacture, inspection, supply, storage at site
assembly, erection, testing and commissioning of 66/11kv, 2x15 MVA Sub-station at
Bhimpore & 66 KV D/C line for feeding the S/S. The details of works & as given in Section
IV of this document.
1.3 All the equipments designs should be confirm to relevant IS/IEC Specification ended up to
date as per latest IS/IEC .The Equipments covered in this specification shall be complete in
all respect & any device not included in specification but essential for proper design,
operation & maintenance of the equipment and completion of this project as a whole shall be
included in the offer by indicating the reason for same.
1.4 The Tenderer shall study the entire specification & satisfy himself thoroughly regarding the
workability of the equipment as a whole & shall take full responsibility for the guaranteed
operation of the equipment as regards output, performance, safe, smooth & reliable working.
1.5 Deviation form specification, if any, shall be brought out clearly in the offer separately. If the
deviation are not brought out clearly & agreed prior to order placement, the purchaser will
not consider the same at a later date.
1.6 The Tenderer if he so desires, may visit the site & ascertain local condition, traffic
restriction, labour condition, accommodation etc. he may require for his staff, site condition
& other observation in the area, if any, & allow for any extras likely to be incurred due to any
or all the above in his quoted rates. No additional claim whatsoever will be admissible later,
on these grounds.
1.7 All equipment as well as accessories & fitting shall be standardized so as to reduce inventory
as well to facilitate maintenance.
1.8 The purchaser reserves the right to selecting a particular manufacturer of electrical equipment
in the interest of standardization & the contractor shall supply equipment of the particular
make if so required.
1.9 SYSTEM DATA
System Voltage and : 66 KV Solidly earthed
System of Earthing : 11 KV Solidly earthed
415 V Solidly earthed
Rated frequency : 50 Hz
Voltage variation : 66 KV + 10 %
11 KV + 10%
415 V + 10 % - 15 %
Frequency variation : + 5 %
Three phase symmetrical : 66 KV: 3000 MVA
Short circuit level for 11 KV: 500 MVA
Selection of equipment 415 V: 40 MVA
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