2 (a) As a contractor’s quantity surveyor for a design and…

  

2 (a) As a contractor’s quantity surveyor for a design and… 2  (a) As a contractor’s quantity surveyor for a design and build project, share a brief report to the client by setting out your recommendation on the project’s risk management arrangement. Assume that the Public Sector Standard Conditions of Contract (PSSCOC) for construction works (8th Edition, 2020) is used for the contract.  (You may refer to: https://www1.bca.gov.sg/docs/default-source/docs-corp-procurement/psscoc-forconstruction-works-2020.pdf?sfvrsn=93b33a74_4) (15 marks)  (b) The following are variation instructions given during a project’s construction period. Apply the rules for the valuation of variation, and calculate the cost of variation. Assume that the Public Sector Standard Conditions of Contract (PSSCOC) for construction works (8th Edition, 2020) is used for the contract. DescriptionInformationMarks1Pour additional 150 m3 of concrete grade 35 to basement slab after 8pm due to heavy rain.Schedule of rate: • Supply and lay concrete grade 35 to basement slab is $160 per m3.Breakdown (SOR) for concrete grade 35 is: – Material 60%.  – Labour 25%; and – Plant & profit 15% Overtime rate (after 5pm) shall apply.52Supply and lay artificial grass to replace the existing cow grass to open field. (Area of field: 1,385 m2)Schedule of rates: • Supply artificial grass – $3.00/m2 • Laying or removing grass – $2.50/m2 • Remove excavated material from site – $3.50/m253Replace homogeneous ceramic tiles with granite tiles at 1st storey lift lobby area. (Lobby size: 5 m x 5 m)Schedule of rates: • Supply and lay ceramic tiles – $35/m2 • Supply and lay granite tiles – $65/m2 Market rate: Supply and lay granite tiles – $55/m25 (c) A client signed a two-year contract with a contractor for the maintenance of its facilities. As the client’s contract administrator, you received a variation claim from the contractor. The claim was as follows: – Supply aircon condenser unit $700 – Labour for replacing aircon condenser $150 – Topping-up aircon gas and testing $60 – Total claim $910  You found out that the contract rate for the above work was $750. Explain the action you would take to compensate the contractor stating your reason(s). (5 marks)  (d) Discuss why the contract sum needs to be continually updated during the construction period. (15 marks) additional referencehttps://www.coursehero.com/u/file/140656464/BPM109-StudyGuide-2pdf/?justUnlocked=1 . additional references:https://www.coursehero.com/file/143138180/https://www.coursehero.com/file/143138022/https://www.coursehero.com/file/143138202/ Engineering & Technology Industrial Engineering Operations Management SST BPM109 Share (0)