Some of the common point that should known by every civil engineer while they working at construction site or about to work.Here we will discuss some of the points.
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Civil notes |
General
notes for civil engineering
Electrical
conduits shall not run in column.
Earth work excavation for basement above 3 m Should be
Any Back filling shall be compacted 95% of dry density at the
F SOLING IS SPECIFIED THE SOLING STONES SHALL BE LAID
Y REPRESENTS TOR STEEL GRADE - Fe-415 OF IS:1786. WITH CHARACTERISTIC YIELD STRENGTH OF 415 N/MM MINIMUM.
∅ REPRESENTS
MILD STEEL GRADE - 1 OF IS:432 (PART-1)
ALL REINFORCEMENT SHALL BE FREE FROM MILL SCALES,
BY PROVIDING PROPER COVER BLOCKS, SPACERS, CHAIRS
CEMENT SHALL BE 43 GRADE ORDINARY PORTLAND CEMENT
CEMENT SHALL BE STORED IN DRY PLACES ON A RAISED
WATER USED FOR BOTH MIXING AND CURING SHALL BE
CEMENT SHALL BE TESTED FOR ITS SETTING.
1. THE INITIAL SETTING TIME SHALL NOT BE LESS
THAN 30
2.
THE FINAL SETTING TIME SHALL NOT BE MORE THAN 10
SAMPLES
FROM FRESH CONCRETE SHALL BE TAKEN AND AT
A
SET OF CUBE TESTS SHALL BE CARRIED OUT FOR EACH 30
WATER
CEMENT RATIO FOR DIFFERENT GRADES OF
CONCRETE COVER
CLEAR COVER TO MAIN REINFORCEMENT IN
1.
FOOTINGS : 50 mm
2.
RAFT FOUNDATION.TOP : 50 mm
3.
RAFT FOUNDATION.BOTTOM/SIDES : 75 mm
4.
STRAP BEAM : 50 mm
5.
GRADE SLAB : 20 mm
6.
COLUMN : 40 mm
7.
SHEAR WALL : 25 mm
8.
BEAMS : 25 mm
9.
SLABS : 15 mm
10.
FLAT SLAB : 20 mm
11.
STAIRCASE : 15 mm
12.
RET. WALL : 20/ 25 mm
13.
WATER RETAINING STRUCTURES : 20 / 30 mm
CONTRACTOR SHALL ALLOW FOR INDEPENDENT TESTING OF
ALL BEAM REINF. TO BE ANCHORED FOR A MINIMUM LENGTH OF 46 x
BINDING WIRES SHALL BE 16 GUAGE 1.6mm SOFT ANNEALED STEEL
CONCRETE DESIGN MIX REPORT.
1.
CONCRETE DESIGN MIX REPORT ALONG WITH THE
2.
SLUMP SHALL BE 100 + 25mm.
POURING OF CONCRETE.
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