19.1 The Contractor shall be responsible fr the truye and proper setting out of the Works and for the correctness of the positions, levels, dimensions and alignments of all parts of the Works and for the provision of all necessary instrucments, appliances and labour in connection therwith.
19.2 If at any time during the progress of the Works any error in the positions, levels, dimensions or alignbments of any part of the Works is discovered , the COntractor shall at his own expense rectify such error unless uch error is based on incorrect data supplied in writing by the S.O.'s Representative in which case the expense of rectifying shall be borne by the Government.
19.3 If at any time during the progress of the Works, any error shall appear or arise in the setting-out required to construct the works or in the position, levels, dimensions or aligbnment of any part of the Works, the Contractor, on being required to do so by the S.O. shall at his own expense rectify such error to the satisfaction of the S.O. The checking of any setting out of or of any line or level by the S.O. shall not in any way relieve the Contractor of his responsibility for the correctness thereof and the Contractor shall carefully protect and preserve all things used in the setting-out required for the cvonstruction of the works until the S.O. agrtees that the said things may be abandoned.
19.4 The Contractor shall give to the S.O. without charge such information as may be required by the S.O. to enable him to check the setting-out required for the construction of the Works including interpreting any marks made by the Contractor for the purpose of setting out .
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