đź’ĄCompacting Equipments and it’s USES:-
⚡️ Tampers and Frog Hammers:-
For Compacting in confined areas like trenches,behind bridge abutments.
⚡️Smooth wheel rollers:-
Granular Soils.
⚡️ Pneumatic tyred Rollers:- Cohesive and Non Cohesive soils.
⚡️Sheep foot Rollers:-
Best for Cohesive Soils(Clays).
⚡️Vibratory Compactors:-
Granular Soils(best method for Sands).
🌟IMP:-
m+3=2j..For perfect 2d truss
m+3>2j..For Redundant 2d truss
m+3<2j..For Deficient 2d truss
m+6=3j..For perfect 3d truss
m+6>3j..For Redundant 3d truss
m+6<3j..For Deficient 3d truss
đź”°Environment Engg.
IMP. Points
đź’ĄScreening:-
Screen are placed at an angle to
Increase Flow Area
&Reduce Flow Velocity
🌟Detention time:-
Septic Tank:-
24 hrs to 48 Hrs.
Imhoff Tank:-
2 hrs.
Oxidation ponds:-
2 to 6 weeks
Activated Sludge Process:-
1)Primary & Secondary Sedimentation
(1.5-2hrs.)
2)Aeration Tank
(4-8hrs.)
Grit chamber:-
(40-60 seconds)
Skimming Tank:-
3 minutes to 5 minutes
🌟Subject:-
Estimating Costing and Valuation
⚡️1 Bag of Cement= 50 kg
⚡️Volume of 1 bag of Cement
=0.0347 cu.m
⚡️1 tonne of Cement= 20 Bags
⚡️1 Cu.meter= 1440 kg Cement
🌟Depreciation:-
Gradual Reduction in Value with Age of a Property.
🌟Valuation:-
Technique of Finding the Fair price of an Existing building or property.
🌟Cost:-
Actual amount incurred in producing a commodity which has some value is called as Cost.
🌟Salvage Value:-
The Value of property (without being dismantled) at the end of the Useful life period is known as Salvage Value.
🌟Annuity:-
The Net installment of periodical payment for repayment of the capital amount invested in a Property for a specified period is called as Annuity
🌟Book Value:-
Original Cost minus depreciation is called book value.
(OR)
The value of Property during its useful life based on purchase value and depreciation is known as Book Value.
CIVILIANS 