bangladesh power development board tender document for ... - BPDB

photographs shall be taken when and where required as directed by the Boardand/or the Engineer. Shop photograph shall be not smaller than 120 mm by 150mm in size.3.0 CO-OPERATION WITH BOARDThe continuity of commercial power service by the Board is of prime importance.Complete co-operation between the Contractor and the operating departments ofthe Board must be maintained. All works which may affect the operation of theexisting system shall be scheduled to suit the Board's convenience, taking intoconsideration the power system facilities and requirements at all time duringconstruction.In the event that it is necessary to either interrupt the power supply limit theamount of power available or to impose abnormal operating conditions on thepower system, such procedure must be approved by the Board and a completeunderstanding and agreement must be reached by all parties concerned well inadvance. The time scheduled for such understanding shall be definite as to date,time of day and length of time required.The Contractor shall not be entitled to any additional payment for any costs arisingfrom the necessity to perform the Work which, by its effect on the Board's existingoperating systems, requires that it be performed at times other than regularworking hours.4.0 CONSTRUCTION PLANT AND TEMPORARY FACILITIESUnless otherwise specified, the Contractor shall furnish at his own expense allconstruction equipment, temporary structures and enclosure, utilities and othertemporary facilities and all tools, materials and supplies which are required forprosecution of the Work but which will not be incorporated in the permanent Work.All such temporary structures and facilities furnished by the Contractor shall remainthe property of the Contractor and shall be maintained throughout the ConstructionWork.When the Work is completed all such temporary structures and facilities shall beremoved from the Site and the area shall be restored to its original condition.All equipment and facilities shall be safe and in first class condition and shall be ofthe proper type and size to adequately perform the Work. Such equipment andfacilities shall be regularly and systematically maintained throughout the Work toensure proper and efficient operation. Equipment and facilities which areinadequate or improperly maintained shall promptly be modified, repaired, orremoved from the Site and replaced.4.1 TEMPORARY STRUCTURESTemporary structures if required, for Offices, quarters, storage and other use forthe Contractor or his Subcontractors shall be constructed by the Contractor only inlocations assigned by the Project Director. The construction of such structures shallbe subject to the Board's approval.108