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How to Check the Strength of the Brick at Site?
aviratdhodare
Bricks are of two sizes ; Modular bricks : 19cm *9cm * 9cm (actual size ) Non modular size : 20 cm* 10 cm* 10 cm ( commonly used; size of bricks with mortar ) When two bricks are striked against each other it Should produce clear ringing sound. This brick is known to have sufficient soundnessRead more
Bricks are of two sizes ;
The bricks may contain harmful ingredients like alkalies, excess magnesia and excess lime. To know these values we have to do lab tests.
See lessWhat are the best steps for checking reinforcement in R.C.C structure?
dbnalawade
Very important question before providing clearances to pour concrete. I would follow following steps. Ensure Contractor has bar bending schedule and approved drawing. Ensure reinforcement used are approved grade and test certificates are in place. Check diameter of rebar ( reinforcement) Check spacRead more
Very important question before providing clearances to pour concrete. I would follow following steps.
Hope this helps.
See lessWhat is the difference between Grit and Aggregate?
Vivek Patel
Grit and aggregate all are manufactured in stone crushers. From stone crusher we get Durt Grit Artificial sand Aggregate GSB material Size of 10-20mm stone is defined as a aggregate. And size of stone <10mm is defined as a grit. Grid is used to make a well packing layer ( fill the voids). [captioRead more
Grit and aggregate all are manufactured in stone crushers.
From stone crusher we get
Size of 10-20mm stone is defined as a aggregate. And size of stone <10mm is defined as a grit.
Grid is used to make a well packing layer ( fill the voids).
Aggregate
Grit
What is surface excavation?
Vivek Patel
Surface excavation is defined as Excavation of depth up to 30cm as per IS1200-part 1 and width of excavation exceed 1.5m and Area exceed 10 square meters. It is mainly used in garden work.
Surface excavation is defined as
Excavation of depth up to 30cm as per IS1200-part 1 and width of excavation exceed 1.5m and Area exceed 10 square meters.
It is mainly used in garden work.
See lessWhat is SOR? Which department publishes SOR?
aviratdhodare
Schedule Of Rates (SOR) is a list of rates of various items after the analysis of them. These rates are finalized by govt body like Central Public Works Division (CPWD). It is very helpful especially in the preparation of estimates, wages of laborers, etc. Also deciding the rates of extra items addeRead more
Schedule Of Rates (SOR) is a list of rates of various items after the analysis of them. These rates are finalized by govt body like Central Public Works Division (CPWD). It is very helpful especially in the preparation of estimates, wages of laborers, etc. Also deciding the rates of extra items added by the contractor. Generally, a clause in the conditions of contract is included, saying that, any extra item included during construction should be paid as per SOR.
It consists of rates of various items such as demolishing items, excavation items, concrete items, RCC works, brickwork items, etc. and also information regarding the present wages of labor and prices of different items.
The SOR is renewed or updated nearly every year bcoz of the changes in the various rates.
It consists of basic rates of more than 2500 items and finished rates of more than 3000 items.
It is prepared for all the civil, electrical, and mechanical dept’s.
See lessWhy vibrators are not used during concreting in piling works?
GK
Piling works have high depths (around 30 m or above) and at such depths vibrators can't be used. At these depths it is advisable not to use vibrators because soil may get collapsed. Concrete used in piling works have high slumps so it can easily flow through reinforcement cage and the mix is designeRead more
- Piling works have high depths (around 30 m or above) and at such depths vibrators can’t be used.
- At these depths it is advisable not to use vibrators because soil may get collapsed.
- Concrete used in piling works have high slumps so it can easily flow through reinforcement cage and the mix is designed to compact itself .
- In some cases vibrators can be used to compact the concrete by vibrating the concreting pipe during pouring.
See lessWhat is deadmen or tell-tales in excavation?
aviratdhodare
When the ground is fairly uniform ‘Deadman” or “Tell-Tales” which shall be left at suitable intervals to determine the average depth of excavation. For uneven or sloping ground, diagonal ‘Tell-Tales’ shall be left. No deduction shall be made for Deadman, Tell-Tales which shall be removed after the mRead more
- When the ground is fairly uniform ‘Deadman” or “Tell-Tales” which shall be left at suitable intervals to determine the average depth of excavation.
- For uneven or sloping ground, diagonal ‘Tell-Tales’ shall be left.
- No deduction shall be made for Deadman, Tell-Tales which shall be removed after the measurements have been taken and checking has been completed.
See lessWhat considerations must be made when building on a site of special scientific interest (SSSI)?
CB Sowmya
The SSSI are sites that are preserved due to its rich flora, fauna, geology and geomorphology. These areas have developed their rich heritage through centuries. Hence they are taken utmost care of. The rules of construction are quite stringent here. Before the construction process, necessary surveysRead more
The SSSI are sites that are preserved due to its rich flora, fauna, geology and geomorphology. These areas have developed their rich heritage through centuries. Hence they are taken utmost care of. The rules of construction are quite stringent here.
- Before the construction process, necessary surveys must be taken to prove that the SSSI wont be affected by the construction process or after it.
- Proper planning and approval is needed.
- Permission from the statutory authority is needed.
See less