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Y*1*1*7 (Cont'd*)(July 77)If relevant* costs additional to those calculated at (c) are to be addedto the W 0rder of Cost 11 for the above items*When more detailed drawings and further information axe available anestimate should be calculated using the rates mentioned in 1*1.6 for Phase III"Estimate***1*1*8 Phase III f "Estimate 11 for Cat* A(a)(b)(c)(d)A Bill of Quantities is to be prepared from detail design and drawings.Appropriate rates as mentioned in 1*1*6 are to be entered and the amountsextended* The total amount thias obtained will &ive the first Estimateof the project.15$ for Contract Preliminaries and Contingencies is to be added to thefigure obtained at (a)*A further 15$ to cover unknown works and other unforeseen circumstancesis to be added to the figure obtained at (b)*If relevant, appropriate percentages for difficulty and location are tobe added to the figure obtained at (c)*1*1*9 Revisions and Amendments(a)(b)1*1*10 Check List(a)(b)All % on~costs will be advised separately from time to time*When required, the percentage increase for rising costs should be showiand the revisions of the Order of Cost/Estimate made accordingly*Works Divisions should keep "Orders of Costs" and "Estimates 11 .A detailed Project Implementation and P*W*S.C* Submission Check List isattached as Appendix 1* This Check List should be maintained and updated*The T*E* Division will be responsible for preparing the Check List forPhases I and II*One copy of the complete check list will be kept in the inside coverof the T*E* Division Project Pile - being updated as required*When the project is submitted for inclusion at Cat* C in the P*W*Programme (item 7)t ®&e copy of page 1 of the Check List will beforwarded with the submission to H*Q*H*Q. and one copy to the WorksDivision*When the project is submitted for upgrading to Cat* B in the P*W*Programme (Item 12), one copy of pages 2 and 3 ®&& pages 8, 9 and 10will be forwarded with the submission to H*0*H*Q, and one copy to theWorks Division*