BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

approval regarding the re-measurement and subsequent a variation the contractamount will be adjusted. Payment for the filling of the land reclamation worksshall be made based on the unit price fixed by the Tenderer.(2) Foundations and Ducts etc.All expenses required for excavation and backfiling of foundations, ducts,trenches, roads and all other structures shall be included in the lump sum pricebid for the respective work item in the Schedule. The lump sum price bid shall notbe modified or subject to adjustment for any design variation due to a change ofgeological or other conditions.17.4 FOUNDATION17.4.1 GENERALThe Contractor shall take full responsibility for the suitability of the type offoundations he proposes to use and shall guarantee the performance of thefoundations.All foundation shall be designed in accordance with the requirement as laid downin CP2004: 1972 Foundation" or other approved Standards and Codes ofPractice/BNBC.17.4.2 PILINGPile foundations shall be designed and applied to buildings, equipment, andstructure where required based on available information obtained from the subsoilinvestigation to be carried out at the Project Site by the Contractor.In the event that piled foundations are proposed, the Contractor shall submit adetailed design for piled foundations to the Board for approval. The Contractorcan apply any type of pile design to satisfy the soil condition. The bid price forpiling shall be lump sum and shall remain firm irrespective of the type of design.(1) GeneralThe Contractor shall supply, install and test at least one of the types of pilespecified herein, or in accordance with the approved design and the drawingshowing the piling arrangement. Each pile shall be suit existing the sub-strata atthe Site. The Board reserves the right to order additional test piles at no extracost if the type of pile or the sub-strata differs from the one originally driven andtested.The Contractor shall take full responsibility for the suitability of the type of pileshe proposes to use and shall guarantee that each pile will carry a test load equalto twice the working load in accordance with this specification.The standard of workmanship shall be as laid down in CP.2004; 1972"Foundations" or other approved standard/BNBC.(2) Pre-cast PilesGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)162