TUTOR-MARKED ASSIGNMENT TWO (TMA02)

This assignment is worth 15% of the final mark for QSM201 Construction Measurement (1 of 4) Civil & Structural Works.

The cut-off date for this assignment is 4 March 2025, 2355 hrs.

Note to Students:

You are to include the following particulars in your submission: Course Code, Title of the TMA, SUSS PI No., Your Name, and Submission Date.

Question 1

Identify the relevant SMM clauses and describe what are deemed to be included in the measurement and description of steel reinforcement bars in reinforced concrete works. (10 marks)

Question 2

With reference to Figures Q2.1 and Q2.2 apply measurement techniques to:

(a) Prepare a take-off list, UOM and associated SMM clauses for the excavation, RC and timber piling work. (15 marks)

(b) Excavations, concrete, formwork and reinforcement to the pile caps. (15 marks)

(c) Timber tanalised working piles. (10 marks)

Specification Notes for Question 2:

• Site clearance shall be carried out and thereafter piling works shall commence from the existing ground level (50.250) followed by over site excavation 175 mm thick to the reduced level.
• Pit excavation for pile caps shall commence from the reduced level. The soffit of the lean concrete below the pile caps is at level 47.250.
• Formwork shall be of sawn timber.
• Reinforced concrete shall be of grade 35
• There is a 75 mm thick layer of grade 15 lean concrete below the pile caps.
• Concrete cover shall be 50 mm thick.
• Steel base plates and bolts are not to be measured.
• Piling works shall commence from the existing ground level.
• The supply length of timber piles shall be 4.00 m long.
• Pile shoe shall be of 5 mm thick mild steel plate to suit pile size.
• Joints shall be of mild steel box sleeve, 450 mm long x 3 mm thick to suit pile size.
• The estimated driven depth of the pile shall be 14.00 m deep.
• Load test shall be executed on one pile up to 1.5 times the working load of 45 tonnes.
• Piling works shall be measured as provisional quantities.

Question 3

With reference to Figures Q3.1and Q3.2, apply measurement techniques to take off quantities for the:
(a) Reinforced concrete columns including formwork and reinforcement.
(10 marks)

(b) Reinforced concrete beam including formwork and reinforcement.
(10 marks)

(c) Reinforced concrete suspended slab including formwork and reinforcement.
(10 marks)

Specification Notes for Question 3:

• Reinforced concrete slab shall be 150mm thick
• Reinforced concrete shall be of grade 35 strength
• Formwork used shall be of wrot timber
• Concrete cover shall be 30mm thick
• All main steel reinforcement bars shall be of high tensile steel. Links and stirrups shall be of mild steel
• Bend allowance shall be 150 mm long. Hook allowance for links and stirrups shall be 24 times the diameter of the bar size.
• Slab reinforcement shall be in two layers of A10 fabric mesh weighing 6.16kg/m2

Question 4

With reference to Figure Q4.1 apply measurement techniques to take off quantities for the following works:
(a) One preliminary pile (8 marks)

(b) All working piles (12 marks)

Specification Notes for Question 4:

• One preliminary 200 mm diameter precast RC piles are to be measured
• All precast reinforced concrete shall be of grade 40
• The estimated driven depth of all piles is 22.50 m from the existing ground level
• Pile shoes shall be of cast iron weighing 25 kg to suit pile size
• All piles are to be cut at the required cut off level as specified and including cleaning, straightening and bending projecting reinforcement for incorporating into pile caps
• The ultimate maintained load test shall be up to four times the designed working load of 60t or to failure
• The working load test shall be executed on one 200 mm diameter pile up to 1.5 times the designed working 40t and one on 250 mm diameter pile up to 1.5 times the design working load of 60t
• Pile integrity test shall be executed on two piles to be selected