TODAY'S EXAM QUESTION PAPER AND PROVISIONAL KEY ( 28 / 2020 )
COMMENT BELOW HOW MUCH DID YOU SCORE DOWNLOAD QUESTION PAPER AND KEY
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UNITS OF MEASUREMENTS, PAINTING COEFFICIENT, OUT TURN, QUANTITY CALCULATION
DEDUCTION • MASONRY : < 0.1 m2 - no deduction • PLASTERING : < 0.5 m2 - no deduction 0.5 - 3 m2 - one side deduction > 3 - both side deduction • End of beams, rafters, purlins < 0.05 m2 - no deduction • Bearing of floors, roof slabs etc. - no deduction DIGREE OF ACCURACY • Volume - 0.01 m3 • Area - 0.01 m2 • Dimension - 0.01 m • Weight - 1kg QUANTITY CALCULATION PCC • Maximum size of aggregate 40 mm • For 1 m3 PCC - 0.95 m3 coarse aggregate is required RCC • Maximum size of aggregate 20 mm • For 1m3 RCC - 0.90 m3 coarse aggregate is require RCC For 1:1.5:3 Wt of cement = (1/3) x 0.90 x 1440 = 432 kg Wt of sand = (1.5/3) x 0.90 x 1600 = 747 kg PCC For 1:4:8 Wt of cement = (1/8) x 0.95 x 1440 = 171 kg Wt of sand = (4/8) x 0.95 x 1660 = 760 kg PLASTERING 1:3 - 0.14 m3 / 10 m2 (sand) cement = (1/3) x 0.14 x 1440 = 67 kg...
SCAFFOLDING, SHORING, UNDER PINNING
• When height above floor level exceeds 1.5 m a temporary structure is erected for a safe working platform for worker and space for materials TERMS 1. STANDARDS : vertical members of framework, supported on the ground 2. LEDGERS : horizontal members // to the wall 3. PUTLOGS : transverse members, one side supported on ledgers & other on wall 4. TRANSOM : both the edges are supported on ledgers 5. BRACES : diagonal pieces fixed on standards 6. BRIDLE : a piece used to bridge an opening to walls and support putlog 7. GUARD RAIL : rail parallel to ledgers at working level for safety 8. TOE BOARD : board placed // to ledger & supported by putlogs 9. RAKERS : inclined support TYPES OF SCAFFOLDINGS 1. SINGLE / PUTLOG / BRICKLAYER SCAFFOLDING • Most common type • Mostly used in brickwork • Spacing b/w standards : 2 - 2.5 m • Vertical distance b/w ledgers : 1.2 - 1.8 m • Horizont...
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