QUANTITY SURVEYING DIVISION ASSESSMENT OF PROFESSIONAL ... · quantity surveying division...

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QUANTITY SURVEYING DIVISION

ASSESSMENT OF PROFESSIONAL COMPETENCE

PART I ASSESSMENT – AUGUST 2014

WRITTEN TEST

TIME ALLOWED: 3 hours 30 minutes

THE HONG KONG INSTITUTE OF SURVEYORS QUANTITY SURVEYING DIVISION ASSESSMENT OF PROFESSIONAL COMPETENCE PART I ASSESSMENT – 29th AUGUST 2014 WRITTEN TEST

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NOTES TO CANDIDATES A. Headings to questions are for ease of identification only and do not form part of

the questions. B. Sections of questions are as follows: (1) Section A – TEN (10) multiple choice questions of 2 marks for each

question. The recommended time for attempting the multiple choice questions is approximately 20 minutes.

(2) Section B – FIVE (5) short questions total 30 marks of 6 marks for each

question. The recommended time for attempting the short questions is approximately 40 minutes.

(3) Section C – TWO (2) questions 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) Whenever the term HKSMM is used, it shall mean the Hong Kong Standard

Method of Measurement of Building Works, Fourth Edition 2005. (b) 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.


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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]

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A1 When taking off concrete of suspended slab, and provided that the concrete

grades of slab, column and beam are the same, the measurement of slab

should be taken as:

A a x b x thickness of slab

B (a x b – column on plan area) x thickness of slab

C (a x b – column on plan area – beam on plan area) x thickness of slab

D None of the above

A2 Before a quantity surveyor prepares measurement for a BQ, he/she should

read:

i) drawings

ii) preambles

iii) specifications

A i & ii only

B ii & iii only

C i & iii only

D All of the above


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SECTION A – MULTIPLE CHOICE QUESTIONS

Extracted Preambles for the PC rates as below:

“ Where prime cost rates (PC rates) are included in the description of items in these Bills

of Quantities, these prime cost rates are for the material cost of that item delivered to

site ( street level ) only and the Main Contractor shall allow in addition for all waste,

fixing, all ancillary materials ………… The contract rate will be adjusted by the net

difference between the prime cost rate and the actual price (cost) and will be applied

to the net quantity of the items measured as fixed in position.”

Ref. Item Quantity Unit Rate Total

C Supply and install water

closet (WC1) completed

with cistern, tank fitting,

plastic seat and cover

and angle valve (prime

cost $1,500/No. supply

only).

300 No. 1,750.00 525,000.00

Page 3/88

Based on the rules of adjustment of PC rates and the extracted BQ item as

above, find the correct answer to Question A3.

A3 For the selected water closet (WC1), “Hugo” of $1,200/No. is confirmed.

What is the amount of saving or extra expense resulting from the initial

adjustment of this BQ item 3/88/C of water closet (WC1)?

A Saving of $90,000

B Saving of $75,000

C Extra expense of $75,000

D Extra expense of $90,000

A4 No formwork deductions shall be made when openings are: A Not exceeding or equal to 0.50m2 B Not exceeding or equal to 0.75m2 C Not exceeding or equal to 1.00m2 D Not exceeding or equal to 1.50m2


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A5 Based on the SFC, the Architect shall not instruct a Variation after the

issuance of: A Interim Certificate B Architect’s Instruction C Substantial Completion Certificate D Defects Rectification Certificate

A6 Upon receiving the tenders (lump sum tender with Bills of Quantities), your

senior quantity surveyor asked you to carry out checking of the returned

tenders. Which of the following item(s) of the tender submissions is (are)

required to be checked?

(1) Arithmetical check, including individual extension and page totals

(2) Incorporation of tender addenda

(3) Submission of any tender qualifications

(4) Whether the Surety Bond has been submitted

A (1) only

B (1) & (2)

C (1) & (2) & (3)

D (2) & (3) & (4)

A7 The tender sum breakdown is as follows:-

BQ works : $48,700,000

Provisional Sums : $220,000

Contingencies : $950,000

Total : $49,870,000

Arithmetical error: (–) $510,000

Submitted tender sum : $49,360,000

Calculate the discount factor that will be applied in valuation of future

variations and payment valuation.

A (–) 1.023%

B (–) 1.027%

C (–) 1.043%

D (–) 1.047%


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A8 Under the SFC (without quantities), which of the following shall not form part

of the contract.

A Bills of Quantities

B Drawings

C Specification

D Form of Tender

A9 Based on the following Interim Certificate No. 18 issued by the Architect

(Interim Certificate), the Employer has to pay the Contractor on or before :

Date of Interim Certificate No. 18 : 1-March-2014

Date of Contractor’s invoice enclosing Interim Certificate

No. 18

: 3-March-2014

Date on which the Employer receives the Contractor’s

invoice

: 5-March-2014

Period for payment of certificates in Appendix of the SFC : 14 days

A 14-March-2014

B 16-March-2014

C 18-March-2014

D None of the above

A10 The Employer is not a signatory to the contract(s) of

i. Main Contract

ii. Direct Contract for Lift Installation

iii. Nominated Sub-Contract for Electrical Installation

iv. Nominated Supply Contract for Light Fittings

A (i) & (ii)

B (ii) & (iii)

C (iii) & (iv)

D None of the above


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SECTION B – SHORT QUESTIONS [TOTAL 30 MARKS]

Candidate is required to state his / her answer to the question in the answer book

separately provided.

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Question B1 Upon the award of a Foundation Contract (using SFC with quantities), you, as the assistant project quantity surveyor, are required to prepare the Contract Documents for execution. List out six documents which, according to the SFC, shall form part of and be

included in the Contract Documents.

[6 Marks]

Question B2

You are the assistant project quantity surveyor of a composite office and commercial

complex development at Kwun Tong.

Contract Particulars Commencement Date for both Phases 1 and 2 17 January 2013

Contract Periods:

Phase 1 Commercial block 330 days from and including the Commencement Date

Phase 2 Office block 510 days from and including the Commencement Date

Defects Liability Periods:

Phase 1 Commercial block 12 months from the next day of Substantial Completion Date of the last phase of the Works

Phase 2 Office block 12 months from the next day of Substantial Completion Date of the last phase of the Works

Liquidated and Ascertained Damages

Phase 1 $180,000/day

Phase 2 $200,000/day

Dates of Substantial Completion:

Phase 1 12 December 2013

Phase 2 22 July 2014


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SECTION B – SHORT QUESTIONS

Question B2

There was an extension of time of 25 days granted by the Architect for the

completion of Phase 2 Works and the new Completion Date for Phase 2 was fixed

on 5 July 2014.

Calculate and advise:

(a) the original Completion Date for Phase 1 [1 Mark]

(b) the dates for the expiry of the Defects Liability Periods for Phases 1 and 2

respectively [2 Marks]

(c) the number of days of delay for Phases 1 and 2 respectively [1.5 Marks]

(d) the amount of the liquidated and ascertained damages for Phases 1 and 2

respectively [1.5 Marks]

Question B3

The following information is shown in a lump sum fixed price contract based on

Drawings and Specification. SFC (without quantities) is adopted in this project.

(i) Eight (8) T3 fluorescent lamps are shown in the Contract Drawing for a

meeting room

(ii) Six (6) T3 fluorescent lamps are stated by the Contractor in the Schedule

of Quantities and Rates for this room with price of $300.00/No. each.

(a) If no variation has been issued during construction stage, how many T3

fluorescent lamps should be installed in this meeting room? State the reason for

the answer. [3 Marks]

(b) If the architect issues an instruction to replace all the T3 fluorescent lamps in this

meeting room to T5 fluorescent lamps ($400.00/No. each), calculate the cost

effect of this variation.

(Note: No need to consider any abortive or disruption costs in your calculation).

[3 Marks]


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SECTION B – SHORT QUESTIONS

Question B4

Your senior quantity surveyor gave you the attached two pages of the pricing

documents (Annex 1) and the following information for a piling contract:

(i) The agreed variation works : HK$800,000.00

(ii) The agreed sub-contract sum for street lighting : HK$1,900,000.00

Calculate the final contract sum for this piling contract with details for omission and

addition items.

[6 Marks]

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Attachment for Question B4

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SOR/3/1

Project ABC SCHEDULE NO. 3

PRIME COST and PROVISIONAL SUMS

Description $ ￠

SCHEDULE NO. 3

PRIME COST AND PROVISIONAL SUMS

Prime Cost Sum

A Provide the Prime Cost Sum of HK$1,000,000.00 for Street Lighting 1,000,000 00

Add for profit 5 % 50,000 00 Allow for general attendance as described in the Specification. 200,000 00

Provisional Sums to be expended in part or in whole as directed by the Architect or wholly deducted from the Contract Sum if not required

B Provide a Provisional Sum of HK$2,500,000.00 for Contingency. 2,500,000 00

CARRIED TO GENERAL SUMMARY $ 3,750,000 00

Annex 1 to Question B4

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General Summary

Description $ ￠

DESIGN AND CONSTRUCTION OF PILING WORKS

GENERAL SUMMARY

Page No. Schedule No. 1 - Preliminaries SOR/1/46 3,000,000 00 Schedule No. 2 - Piling Works SOR/2/12 27,000,000 00 Schedule No. 3 - Prime Cost and Provisional Sums SOR/3/1 3,750,000 00

CARRIED TO FORM OF TENDER $ 33,750,000 00



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SECTION B – SHORT QUESTIONS Question B5 You are the assistant quantity surveyor for ABC QS Consultant Limited for the

Residential Development, Lot 9999 in Tai Po, Hong Kong. Your senior quantity surveyor, Mr. James Chan, requested the contractor to provide

a quotation for supply and installation of sanitary fittings for maid toilets based on the

following project particulars. The quotation is to be in Hong Kong Dollars.

i. 2 Blocks of Residential Towers;

ii. Residential Floor: Tower 1 and Tower 2 – 15 and 16 storey respectively;

iii. 2 Flats per each of residential floor and 1 Maid Toilet per each flat.

Subsequently, you have received the following quotation from the contractor:

To: ABC QS Consultant Limited – Mr. James Chan

Project name: Residential Development, No. 1 Moon Street, Tai Po, Hong Kong

Re: Quotation of Sanitary Fittings for Maid’s Toilet

Unit Qty Unit Rate Amount (RMB)

Supply and delivery to Site ONLY the

following sanitary fittings including all

accessories

Maid’s Toilet

Close coupled P/S tray W.C. with plastic toilet

seat and cover, cistern and associated fittings

in white colour.

Brand name: Lu Lu

Model No.: MB4983

Supply and delivery to Site No. 62 535.00 33,710.00

Installation No. 62 150.00 9,300.00

Wall mounted wash basin with overflow, white

colour completed with white PVC bottle trap.


Installation m 62 100.00 6,200.00

Total Amount 69,006.00 As requested by your senior quantity surveyor, list out FOUR irregularities which are

required to clarify with the contractor. You are required to mark up these irregularities

on the attached quotation (Annex 1 to Question B5) and write down the correct

details next to such irregularities with explanation. You shall affix your marked

quotation in the answer book provided.

[6 Marks]

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Attachment for Question B5

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To: ABC QS Consultant Limited – Mr. James Chan

Project name: Residential Development, No. 1 Moon Street, Tai Po, Hong Kong

Re: Quotation of Sanitary Fittings for Maid’s Toilet

Unit Qty Unit Rate Amount

(RMB)

Supply and delivery to Site ONLY the

following sanitary fittings including all

accessories

Maid’s Toilet

Close coupled P/S tray W.C. with plastic toilet

seat, cover, cistern and associated fittings in

white colour.

Brand name: Lu Lu

Model No.: MB4983


Installation No. 62 150.00 9,300.00

Wall mounted wash basin with overflow, white

colour completed with white PVC bottle trap.


Installation m 62 100.00 6,200.00

Total Amount 69,006.00



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SECTION C – QUESTION ON MEASUREMENT [TOTAL 50 MARKS]

Question C1 [TOTAL 10 MARKS]

The project architect requested a cost advice of a proposed variation - adding a 1.5 m wide pedestrian ramp to a level difference location by mass concrete filling as sketch A (attached in Appendix 1). The designated gradient of the pedestrian ramp is 1: 12. Your senior has highlighted three pages of Bills of Quantities (BQ) of the Main Contract (attached in Appendix 2) and instructs you to do a valuation for such proposed variation. Your senior has also reminded you to note the decimal place of the quantities to be used for pricing variation according to SMM. (a) Only based on the information in sketch A with reference to the BQ, calculate

the cost of concrete and formwork for this additional ramp. [4 Marks]

(b) Apart from the cost items identified in (a) above, based on the attached BQ

pages 2 and 3, Name other two probable cost addition items related to this pedestrian ramp (with some brief reasons or explanations). Please also indicate the BQ reference to your suggested items, where appropriate.

[2 Marks]

(c) Based on your answer to (a) and (b) above, work out the total cost implication of

this proposed variation of pedestrian ramp. [4 Marks]

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Attachment for Question C1

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Appendix 1 to Question C1

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Appendix 2 to Question C1 Page 1 of 3

BILL NO. 5

Ref. Quantity Unit Rate Total編號編號編號編號數量數量數量數量單位單位單位單位單價單價單價單價總額總額總額總額SUNDRY CONCRETE

125 Concrete Grade 20D in plinth. 50 Cube 1,000.00 50,000.00

(PROVISIONAL)

126 Concrete Grade 20D in mass concrete 25 Cube 1,000.00 25,000.00

fill to form ramp.

127 Reinforced concrete Grade 20D in curb. 18 Cube 1,000.00 18,000.00

128 Lightweight concrete (maximum density 124 Cube 1,025.00 127,100.00

of 13.5 kN/m3) in general filling to trench.

(PROVISIONAL)

Formwork to

129 Side of plinth. (PROVISIONAL) 100 Sup. 258.00 25,800.00

130 Sides of mass concrete fill. 5 Sup. 300.00 1,500.00

Carried to Collection $ 247,400.00

項目項目項目項目

BQ 5/14

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BILL NO. 5

Ref. Quantity Unit Rate Total編號編號編號編號數量數量數量數量單位單位單位單位單價單價單價單價總額總額總額總額SURFACE FINISHES (ALL PROVISIONAL)

Tamped finishes to provide non-slip surface

139 To ramp. 627 Sup. 20.00 12,540.00

Trowelled finish

140 To slab. 8,778 Sup. 16.00 140,448.00

(END OF ALL PROVISIONAL)


項目項目項目項目

BQ 5/16

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BILL NO. 7

Ref. Quantity Unit Rate Total編號編號編號編號數量數量數量數量單位單位單位單位單價單價單價單價總額總額總額總額RAILINGS TO RAMP AS DRAWING NO. CYS5/TD/D/SR02

Grade 316 stainless steel framed and welded

55 Railing 900 mm high above finished floor 47 Run 580.00 27,260.00

level, comprising 50 mm diameter tubular

top rail, 30 mm diameter rail post

with 3 no. of 50 x 20 mm collars

and 1 no. 50 x 50 mm thick square base collar and base plate to each post

at 1500 mm centres and including

all necessary component parts and fixing accessories as described and as

drawing.

CAT LADDERS TO FILTRATION PLANT ROOM AS DRAWING NO. AD-4-254

Galvanized mild steel framed and welded

56 Cat Ladder 1370 mm girth comprising 1 No. 2,100.00 2,100.00 38 mm stringer with ends bend to shape 450 mm apart with 20 mm diameter rungs

welded to stringers at 300 mm centers generally, 4 No. of 125 x 125 x 10 mm thick

fixing plates with 4 no. of expansion bolts

to each plate including all necessary

fixing accessories.


Item項目項目項目項目

BQ 7/13


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Question C – QUESTION ON MEASUREMENT

Question C2 [TOTAL 40 MARKS]

The architect has revised the entrance of the development and type C fence walls will be extended by 32m (see SK-001). The architect requests the project quantity surveyor to advise the additional cost of this change. Your senior, the project quantity surveyor of the development, asks you to prepare the valuation of this variation based on the Bills of Quantities and the typical details of the fence wall type C (see Appendix-I) and to provide the build-up including the details of measurement to support your valuation. Your senior also reminds the following: (a) The quantities of reinforcement can be calculated by using the steel ratio that

can be derived from the Bills of Quantities.

(b) All excavation shall be commenced at the site formation level +1.0mPD.

(c) All side casting shall be rounded to 3 decimal places while the figures in

taking-off column shall be rounded to 2 decimal places only.

[40 Marks]

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Attachment for Question C2

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Drawing No. SK-001

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Note: All dimensions shown are in millimeters.

Appendix I to Question C2

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BILL NO. 5.5 FENCE WALLS

Ref. Description Quantity Unit Rate $ 項目數量單位單價總計 BILL NO. 5.5 FENCE WALLS (TYPE C) A Excavate for fence wall footings not 747 Cube 180.00 134,460.00 exceeding 1.5m deep B Backfill selected excavated material around 256 Cube 150.00 38,400.00 footings in layers and consolidation to make up levels C Load and remove surplus excavated materials 491 Cube 250.00 122,750.00 from site D Concrete Grade 10/20D in 75mm blinding layer 41 Cube 1,350.00 55,350.00 under fence wall footing Reinforced concrete Grade 45/20D in E Fence wall footing 437 Cube 1,450.00 633,650.00 F Fence wall 88 Cube 1,450.00 127,600.00 Formwork to G Fence wall footing 448 Super 450.00 201,600.00 H Fence wall 1,176 Super 450.00 529,200.00 Deformed high yield steel bar reinforcement I 12mm Bars 38,430 kg 11.00 422,730.00 J 16mm Bars 57,015 kg 11.00 627,165.00 _________________ K Spatterdash 1,064 Super 1.50 1,596.00 L 20 mm Cement and sand (1:3) screed on 1,106 Super 210.00 232,260.00 walls to receive porcelain tiles 100 x 300 x 10mm Porcelain tiles (PT-1) bedded and jointed in cement mortar (1:3) on screeds (measured separately) including colour cement grouting M Top and sides of fence wall 1,106 Super 631.00 697,886.00

TPTL No. 505 Carried to Collection $ 3,824,647.00

Main Contract

BQ5.5/1

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