Modification in fiba and standardization of piping and clamping diagram/layout of piping for fiba, air spring and air suspension control equipment as per specification no. md-44121 in rolling stock and financially sound contractors (name of work) "modification in fiba and standardization of piping and clamping diagram /layout of piping for fiba, air spring and air suspension control equipment as per specification no. md-44121 in rolling stock. no no not allowed 2 it will be imperative for each tenderer to fully acquaint with all the local conditions and factors which would have any effect of the performance of the contract and the cost of item of works. the "railways" shall not entertain request for clarification from the tenderer regarding such local conditions. no request for change of price or time schedule of completion of work shall be entertained after the "railways" accepts the offer. the tenderer can visit the place of proposed work to understand the site conditions and correct appreciation of volume of work to be done. no no not allowed