Test Papers / Previous Question Papers of Indira Gandhi National Open University ET523A Construction Works Supervision December 2006

B.Tech. Civil (Construction Management)

Term-End Examination

ET523A: Construction Works Supervision

Time: 3 hours
Maximum Marks: 70

Note: Answeer Question No. 1 and any other four questions from the rest. All questions carry equal marks. Brief and to the point answers will be accredited

December 2006

Part A

1 . Find the correct / best answer from the suggested alternatives given in each sub-question. All sub-questions carry equal marks. (7x2)

(i) Mid-level management is responsible for
(a) maintaining discipline among the workers
(b) formulating policies of the organisation
(c) interpreting the policies of the organisation
(d) motivating the workers to contribute their best to their assigned job

(ii) One of the reasons for a contractor's interest in a project estimate is
(a) to provide necessaryfu nds
(b) to organize various resources to complete the construction
(c) to select the most competitive offer among tenders
(d) to determinet he feasibility of the project from budget point of view

(iii) Performance of the reinforcement in a RCC structure greatly depends upon the
(a) type of formwork used
(b) usage of high yield steel in place of mild steel
(c) the bond between the steel bars and concrete
(d) cube strength of the concrete in use

(iv) If necessary, lapping of reinforcement bar should preferably be provided in the region of (in case of beam or slab),
(a) minimum deflection
(b) contraflexure
(c) anywhere along the length of the reinforcement
(d) according to the lengths of bars available in existing stock

(v) Compressibility is minimum for
(a) Lead
(b) Mild Steel
(c) StainlessS teel
(d) Water

(vi) A site diary needs to be signed by
(a) the contractor daily
(b) the engineer in-charge at the end of each month and the contractor daily
(c) inspecting officer of the owner's firm at the end of day's work
(d) both the engineer in-charge and the contractor daily

(vii) In-situ Terrazo flooring requires
(a) its joints are over the corresponding joints in the structural slab underneath
(b) its joints are in between the joints in the structural slab underneath
(c) floor should be laid in panels not exceeding 3.66 metres square
(d) it to be cast when the underneath layer attains a good hardness ie normally after 18 to 24 days

2. What are the responsibilities of a construction supervisor employed by a contractor? (14)

3. (a) "For the construction projects taken up by PWD, the project report and the estimate of costs require two types of approvals". What are those? Who approves them? Discuss briefly the procedures of seeking approvals after the project report is prepared by PWD.

(b) What is the role of cost data in preparing an estimate ? What extra factors other than cost data should be taken into account by an estimator ? (7+7)

4. (a) Discuss the role of specifications in a construction work. Explain with examples.

(b) What is Bill of Quantities? Discuss how a bill of quantitiesis organized. (7+7)

5. (a) Why is waterproofing of an RCC slab important? (4)

(b) Discuss briefly the process of waterproofing an RCC slab. (10)

6. (a) Write at least seven critical factors to be examined in a formwork system. (7)

(b) Why is compaction of concrete necessary? (2)

(c) Write at least five main measures to be taken when a poker vibrator is used for good and proper compaction of concrete. (5)

7. (a) Write briefly about different types of contracts. (6)

(b) Write at least eight general conditions of a contract. (8)

8. Write short notes on any fourof the following (4x3 1/2)
(a) Cement register
(b) Steel register
(c) Stripping time of formwork
(d) Chlorination
(e) Anti-termitetreatment
(f) Muster Roll
(g) Bar bending schedule

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