Previous year question paper for ECEE (Diploma Electrical Engineering 4th)

Estimating and costing in Electrical Engineering

Previous year question paper with solutions for Estimating and costing in Electrical Engineering from 2012 to 2012

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1. Introduction (12hrs)

Purpose of estimating and costing, proforma for making estimates,

preparation of materials schedule, costing, price list, tender document, net

price list, market survey, overhead charges, labour charges, electrical

point method and fixed percentage method, contingency, profit, purchase

system, enquiries, comparative statements, orders for supply, payment of

bills. Tenders – its constituents, finalization, specimen tender.

2. Types of wiring (15hrs)

Cleat, batten, casing capping and conduit wiring, comparison of different

wiring systems, selection and design of wiring schemes for particular

situation (domestic and Industrial). Selection of wires and cables, wiring

accessories and use of protective devices i.e. MCB, ELCB etc. Use of

wire-gauge and tables ( to be prepared/arranged)

3. Estimating and Costing: (25 hrs)

3.1 Domestic installations; standard practice as per IS and IE rules.

Planning of circuits, sub-circuits and position of different

accessories, electrical layout, preparing estimates including cost as

per schedule rate pattern and actual market rate (single storey and

multi-storey buildings having similar electrical load)

3.2 Industrial installations; relevant IE rules and IS standard practices,

planning, designing and estimation of installation for single phase

motors of different ratings, electrical circuit diagram, starters,

preparation of list of materials, estimating and costing exercises on

workshop with singe-phase, 3-phase motor load and the light load

(3-phase supply system)

3.3 Service line connections estimate for domestic and Industrial loads

(over-head and under ground connections) from pole to energy

meter.

4. Estimating the material required for (12 hrs)

4.1 Transmission and distribution lines (overhead and underground)

planning and designing of lines with different fixtures, earthing etc.

based on unit cost calculations 

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4.2 Substation: Types of substations, substation schemes and components,

estimate of 11/0.4 KV pole mounted substation up to 200 KVA rating,

earthing of substations, Key Diagram of 66 KV/11KV Substation.

2012
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