QUANTITY SURVEYING DIVISION ASSESSMENT OF PROFESSIONAL COMPETENCE PART I ASSESSMENT SEPTEMBER 2013 WRITTEN TEST

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1 PART I ASSESSMENT SEPTEMBER 2013 TIME ALLOWED: 3 hours 30 minutes Page 1 of 27

2 NOTES TO CANDIDATES A. Headings to questions are for ease of identification only and do not form part of the questions. B. The number of questions are as follows: (1) Section A TEN (10) multiple choice questions each of 2 marks each. The recommended time for attempting the multiple choice questions is approximately 20 minutes. (2) Section B FIVE (5) short questions total 30 marks each of 6 marks each. The recommended time for attempting the short questions is approximately 40 minutes. (3) Section C ONE (1) question on Measurement of 50 marks. The recommended time for attempting this part is approximately 150 minutes. C. All Multiple Choice Questions, Short Questions and the tasks on Measurement are compulsory. D. The total mark is 100. The overall passing mark is 55. E. Refer also to INSTRUCTIONS TO CANDIDATES which were issued to you in advance. NOTE: (a) (b) Whenever the term HKSMM is used, it shall mean the Hong Kong Standard Method of Measurement of Building Works, Fourth Edition Whenever the term SFC is used, it shall mean the Agreement & Schedule of Conditions of Building Contract for use in the Hong Kong Special Administrative Region, Private Edition - With Quantities 2005 Edition or Without Quantities 2006 Edition, as appropriate. ASSESSMENT CRITERIA Candidate is expected to demonstrate his/her acquisition of practical skills and theoretical knowledge in quantity surveying at the technical level and the ability to correctly and precisely express his/her understanding on some specific areas of quantity surveying practice at the technical level. Page 2 of 27

3 SECTION A MULTIPLE CHOICE QUESTIONS [TOTAL 20 MARKS] Candidate is required to choose his / her answers to the questions by writing A, B, C or D in the answer sheet for the Multiple Choice questions. [2 Marks each] A1 The right of the Employer to deduct the legitimate set-off under SFC from the amount due to the Contractor will expire upon the issue of: A B C D Interim Payment Certificate upon the lapse of original contract completion date Substantial Completion Certificate Defects Rectification Certificate Final Certificate A2 According to HKSMM, the in-line fittings of upvc pipework are not required to be measured separately as extra over pipework if the pipework nominal diameter is less than or equal to: A B C D 25mm diameter 40mm diameter 50mm diameter 65mm diameter A3 When considering the extension of time application, the Architect shall consider whether (1) the contract is on lump sum basis (2) the delay event is on critical path (3) the Contractor s entitlement to additional time for completion of the works is under Clause 25 of SFC A B C D (1) & (2) only (2) & (3) only (1) & (3) only All of the above Page 3 of 27

4 SECTION A MULTIPLE CHOICE QUESTIONS A4 Which of the following item is not commonly stated in the Preliminaries Bills of a lump sum contract with Bills of Quantities? A B C D Prime cost rates items Industrial Training Levy Submission of samples Contractor s site management team A5 Which of the following items do not form part of the contract for lump sum contract based on Specification and Drawings? (1) Form of Tender (2) Articles of Agreement (3) Programme and Method Statement (4) Quantities in the Schedule of Rates A (1) & (2) B (2) & (3) C (3) & (4) D (1) & (4) A6 If deviations from or qualifications to HKSMM are required, such deviations or qualifications should be stated in: (1) Preambles to the Bills of Quantities (2) Form of Tender (3) Conditions of Contract (4) Description of the items in Bills of Quantities A (1) & (2) B (1) & (3) C (1) & (4) D All of the above A7 According to HKSMM, the total measured volume of reinforced concrete beams for a small building is 30 m3. If the beams are all of 600mm depth, the slabs are all of 150mm thick, and both the beams and slabs are of the same concrete grade, what is the volume of slabs casted over the beams? A B C D 5 m3 7.5 m3 10 m3 12 m3 Page 4 of 27

5 SECTION A MULTIPLE CHOICE QUESTIONS A8 On the same project, state in ascending order of the numerical value of the following: (1) CFA (Construction Floor Area) (2) UFA (Usable Floor Area) (3) GFA (Gross Floor Area) A (1), (2), (3) B (2), (3), (1) C (3), (1), (2) D (3), (2), (1) A9 The tender sum breakdown is as follows:- BQ works : $20,000,000 Provisional Sums : $100,000 Contingencies : $500,000 Total : $20,600,000 Arithmetical error: ( ) $400,000 Submitted tender sum : $20,200,000 Calculate the Discount Factor for future valuation of variation or payment valuation in the Contract. A ( ) 1.94% B ( ) 1.98% C ( ) 1.99% D ( ) 2.00% A10 Which of the following temporary facilities is (are) commonly found in building construction site? (1) Power supply for construction use (2) Site office (3) Bamboo scaffolding (4) Tower cranes A (1) only B (1) & (2) C (1) & (2) & (3) D All of the above Page 5 of 27

6 SECTION B SHORT QUESTIONS [TOTAL 30 MARKS] Candidate is required to state his / her answer to the question in the answer book separately provided. Question B1 (a) You are the Employer s appointed Consulting Quantity Surveyor. The following information is related to the Employer s new premises ABC Fitting-Out Works: Project Particulars are listed below: i. Contract Sum: HK$8,250, ii. Retention: 10% of the certified value of the Contractor s Work iii. Limit of Retention: 5% of the Contract Sum (to the nearest one thousand dollars) Values for Interim Payment Certificate No. 3 are listed below: i. Cumulated amount of Preliminaries for Interim Payment Certificate No. 3: HK$558, ii. Cumulated amount of Bill No. 2 to 6 for Interim Payment Certificate No. 3: HK$5,127, The Interim Payment Certificate No. 2 is listed below: Fitting Out Works for new premises ABC Interim Payment Certificate No. 2 HK$ Preliminaries Bill 425, Bills No. 2 to 6 3,435, Contractor's Work Completed (Gross Valuation) 3,860, Less Retention (386,000.00) Net Valuation 3,474, Less Previous Paid (2,083,000.00) Amount Due 1,391, Prepare the Interim Payment Certificate No. 3 based on the above information. [3 Marks] (b) The Contractor has priced for Contractor s All Risks insurance and Employees Compensation Insurance in the Contract. Please state what should be reviewed and/or considered prior to including in the interim payment valuation for the insurances. [3 Marks] Page 6 of 27

7 SECTION B SHORT QUESTIONS Question B2 Upon tenders (lump sum tender with Bills of Quantities) received, your senior Quantity Surveyor asked you to carry out checking of the returned tenders. State three items that you should check on the returned tenders. [6 Marks] Question B3 See attached Form of Tender (Annex to Question B3) and the following information from the project file based on SFC: Information from Project File Date of Letter of Award 14 May 2012 Commencement Date 21 May 2012 Date for Possession of the Site 28 May 2012 Completion Date (original) Extended Completion Date 25 August 2013 Date of Substantial Completion 7 September 2013 Period for completion of the final account 12 months Liquidated and Ascertained Damages HK$20,000 per day What is: (a) the original Completion Date of the Works [2 Marks] (b) the last date for completion of the final account [2 Marks] (c) the deductible amount of liquidated and ascertained damages [2 Marks] Page 7 of 27

8 Attachment for Question B3 Page 8 of 27

9 FORM OF TENDER for Main Contract for Proposed Residential Development at Nos Nathan Road, Mong Kok Annex to Question B3 To : The Employer 1. Having inspected the Site and examined the drawings, Conditions of Contract and Combined Specification and Bills of Quantities for the above named Works, I/we offer to carry out, complete and maintain the whole of the said Works in conformity with the said drawings, Conditions of Contract and Combined Specification and Bills of Quantities for the sum of Hong Kong Dollars Four Hundred Forty Four Million Two Hundred Fifty Six Thousand and Nine Hundred Only (HK$ 444,256,900) or such sum as may be ascertained in accordance with the Conditions of Contract. 2. I/We undertake if my/our tender is accepted to carry out and complete the whole of the Works in this Contract within the period of time set out in the Preliminaries Section of the Contract Bills. 3. I/We undertake if my/our tender is accepted to carry out and complete the whole of the Works in this Contract within 270 calendar days including Sundays and public holidays commencing on the next day of the Commencement Date or within any extended time which may be authorised under the Conditions of Contract. 3. I/We agree to abide by this tender for a period of three months from the date fixed for receiving the same and it shall remain binding upon me/us and may be accepted at any time before the expiry of that period. 4. Unless and until a formal agreement is prepared and executed this tender together with the written acceptance thereof by the Employer subject to the provisions of Clause 3 hereof shall constitute a binding contract. 5. I/We understand that the Employer is not bound to accept the lowest or any tender which he may receive. Page 9 of 27

10 SECTION B SHORT QUESTIONS Question B4 (a) If the Architect verbally instructed the Contractor to do some works on site, what should the Architect do to make this a formal instruction? State what he should do and the related time frame. [2 Marks] (b) If you were the Contractor who has received this verbal instruction and believed it as a Variation, what can you do to make this a formal instruction? State what you should do, the related time frame and the consequence. [4 Marks] Question B5 Please state three contractual implications upon the issue of the Certificate of Substantial Completion under SFC. [6 Marks] Page 10 of 27

11 SECTION C1 QUESTION ON MEASUREMENT [TOTAL 50 MARKS] Two store rooms are to be constructed to the existing G/F parking area of a residential building. You are requested by your team leader to prepare the Bills of Quantities (BQ) for the internal finishes (including painting) of these two store rooms. To save your time in reading through all the specifications, your team leader has told you that the specification of the new stores would be the same as the existing residential building and you could simply refer to the BQ in the Contract of the said residential building. Your team leader also reminds you of the following: (i) (ii) The walls, beams and top slab are newly casted; the floor has been hacked with key to receive a thin layer of mass concrete fill for making up level. Works to existing building will be addressed and highlighted separately in the Tender Documents. Lathing and spatterdash will not be measured since special preamble notes will be included in the BQ that these items will not be measured separately and shall be included in the tendered rates. (iii) All side casting shall be in 3 decimal places while the figures in taking-off column shall be in 2 decimal places only. The following are provided for the measurement and BQ preparation: 1. Architectural drawings (A-01, LD9-220, LD9-222) 2. Structural drawings (ST-02, ST-03) 3. Door schedule (S31-1) and Louvre schedule (S32-1) 4. Finishing schedule (FS-01) 5. The abstracted relevant BQ pages of the existing residential building (total 6 pages). You are required to: (A) Notwithstanding spatterdash is not measured in this BQ, state how the quantities of spatterdash can be determined without specifically measuring it from the drawings. [1 Mark] (B) Prepare the take-off list for: (i) Internal plastering [5 Marks] (ii) Internal painting [2 Marks] Page 11 of 27

12 SECTION C1 QUESTION ON MEASUREMENT (C) Take off the internal finishes (including painting) based on the drawings provided. [28 Marks] (D) Based on the abstracted BQ provided, prepare the BQ for the measured works. (i) Plastering [11 Marks] (ii) Painting [3 Marks] Note: (1) Use bill papers to answer Part (D). (2) Each bill item shall include descriptions of work, unit and quantity. Page 12 of 27

13 Attachment for Question C1 Page 13 of 27

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22 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.8 Tower Plastering and Paving Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) A B C D E Schedule 4B.8 Plastering and Paving SPATTERDASH Spatterdash key on concrete surfaces INTERNAL FLOOR FINISHES AND SKIRTING Cement and sand (1:3) screeds 25mm Screed on slab to receive ceramic tiling 25mm Screed on slab to receive homogeneous tiling 40mm Screed on slab to wood block flooring Cement, sand and coarse aggregate (1:1.5:3) paving steel trowel smooth finish 75mm (average) paving to falls on waterproof membrane m2 2 36, m , m , m , m2 80 4, F 50mm Paving 200 m , G H 75mm paving on waterproof membrane Extra for forming 225mm wide surface channel 100mm (average) deep in floor screed 1000 m , m , Carried to Collection HK$ 475, Page 4B.8 / 1 Page 22 of 27

23 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.8 Tower Plastering and Paving Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) A B INTERNAL FLOOR FINISHES AND SKIRTING (Cont d) 200 x 150 x 8mm Ceramic skirting tile (Coral: AB-21) bedded in cement and sand (1:3 and 10mm maximum thick) on screed including coloured slurry to backs of tiles and coloured cement grouting Skirting 150mm high with rounded top edge and cove at base 350 x 350 x 8mm Non-slip ceramic tiling (Southeast Asia Origin) bedded in cement and sand (1:3 and 10mm maximum thick) on screed including coloured slurry to backs of tiles and coloured cement grouting Floor (Mail Room and Estate Management Office) 600 x 600 x 10mm Homogeneous tiling (Sayaka: JA-CH-15P) laid on screed with approved tile adhesive and matching approved proprietary coloured grouting all in accordance with the manufacturer s recommendations 400 m , m , C Floor (Kitchen and Bathrooms) 1500 m ,200, Carried to Collection HK$ 1,412, Page 4B.8 / 2 Page 23 of 27

24 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.8 Tower Plastering and Paving Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) A B C D INTERNAL WALL FINISHES Cement and sand (1:3) screeds 15mm Screed on walls and columns to receive ceramic mosaic tiling 18mm Screed on walls and columns to receive homogeneous tiling 20mm Screed on walls to receive white glazed tiles Two coats internal cement and sand (1:3) plaster steel trowel smooth finish 15mm Plaster on walls and columns 100 x 100 x 5mm White glazed wall tiling (China Origin) bedded in cement and sand (1:3 and 10mm maximum thick) on screed and grouted in white cement 350 m , m , m2 80 8, m , E Walls and columns 100 m , Carried to Collection HK$ 956, Page 4B.8 / 3 Page 24 of 27

25 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.8 Tower Plastering and Paving Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) INTERNAL WALL FINISHES (Cont d) 300 x 300 x 8mm Ceramic mosaic tiling (China Origin) bedded in cement and sand (1:3 and 10mm maximum thick) on screed including coloured slurry to backs of tiles and coloured cement grouting A Walls (Kitchen and Bathrooms) 350 m , x 300 x 10mm Homogeneous tiling (China origin) laid on screed with approved tile adhesive and matching approved proprietary coloured grouting all in accordance with the manufacturer s recommendations B Walls 3000 m ,100, Sundries C Expanded galvanized steel metal lathing laid vertically to receive cement and sand screeds (measured net no allowance for laps) 100 m2 20 2, Carried to Collection HK$ 2,312, Page 4B.8 / 4 Page 25 of 27

26 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.8 Tower Plastering and Paving Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) A B C INTERNAL CEILING FINISHES Two coats internal cement and sand (1:3) plaster steel trowel smooth finish 10mm Plaster on soffits and beams 10mm Plaster on sloping soffits and beams Gypsum plaster steel trowel smooth finish 12mm Plaster on gypsum board suspended ceiling m ,000, m , m , D SUSPENDED CEILING Plasterboard flush ceiling of 13m gypsum plasterboard complying with BS 1230 with all screw holes and joints stopped including sqrimming joints and with joints finished flush to and including concealed suspension system as described (plaster skim coat measured separately) Ceiling suspended below concrete soffit (Foyer and Corridor) 400 m , E Extra for forming access panels 20 No , Carried to Collection HK$ 1,418, Page 4B.8 / 5 Page 26 of 27

27 Abstract of the relevant Bills of Quantities From the Contract of the existing residential building Schedule No. 4B.10 Tower Painting Ref. Item Description Quantity Unit Rate (HK$) Amount (HK$) Schedule 4B.10 Painting A INTERNAL PAINTING Two coats of cement paint on Rendered skirting not exceeding 100mm girth One coat alkali-resisting primer and two full coats of emulsion paint on 100 m 20 2, B Plastered walls and columns 8000 m , C Plastered soffit and beams 9400 m , One coat alkali-resisting primer and three coats of washable distemper, the first coat thinned with petrifying liquid and the other two thinned with water on D Plastered soffits and beams 600 m , Carried to Collection HK$ 1,230, Page 4B.10 / 1 Page 27 of 27

CHAPTER 10: Finishes CONTENTS 10.1 PLASTERWORK ND AND 3 RD FIX FINISHES

CHAPTER 10: Finishes CONTENTS 10.1 PLASTERWORK ND AND 3 RD FIX FINISHES CONTENTS 10.1 PLASTERWORK 10.2 2 ND AND 3 RD FIX FINISHES FUNCTIONAL REQUIREMENT 10.1 Plasterwork Workmanship Design Technical Manual TS-011-09-010412 i. All workmanship must be within defined tolerances