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Important Points SOP (Standard Operating Procedure) During the Inspection of RCC NP4 Pipes

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Important Points SOP (Standard Operating Procedure) During the Inspection of RCC NP4 Pipes: -    Image-Hydro Test (Photo Credit: Ritesh Raj) (1.) Firstly, approved QAP will be checked.  (2.) ID marks should be marked on the inner and outer sides of pipes.  Image-ID Mark (Photo Credit: Ritesh Raj)  (3.) To check the inner and outer diameter of pipes.   (4.) Smooth finishing and before dispatch of RCC pipes cement slurry or grouting where required.   (5.) Load test is required for RCC pipes as per IS codes. It is different for each dia, of RCC pipes.  Image-Plate Load Test (Photo Credit: Ritesh Raj)   (6.) Concrete mix design checked and in which cement content, cement brand, and water-cement ratio should be checked.  (7.) The straightness test to be checked of RCC pipes through the straightness rods to collinear visible.   (8.) As per requirement 2% of hydro tests are to be checked as IS:458 of the total ordered quantity.  Image-Hydro Test (Pressure Release) (Photo Credit: Ritesh Raj)  
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Aggregate Impact Value Test

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  Image Source:Indiamart.com Aggregate Impact Value is an important test of aggregate. Before starting any mix design and making concrete, we will done aggregate impact value test. From this test we know about the toughness of an aggregate. After apply sudden impact on aggregate, then we got the impact value of an aggregate. Important Terms:- (i) Weight of Impact value testing machine=45 to 60 kg. (ii) Cylindrical Steel cup, Dia.=75 mm, Depth=50 mm (iii) Testing cup, Dia.=102mm, Depth=50 mm (iv) Fall(means height)=380+-5mm (v) Used 12.5 mm and 10 mm-GI Sieves and another 2.36 mm-Brass Sieves Image Source:Indiamart.com Recent Post: Elongation Test of an Aggregate Test Procedures:- (i) Taken some sample of aggregate and used 12.5 mm sieve for passing and 10 mm for retaining.(Note-Sieving will always in circular motion.) (ii) Firstly passing materials of aggregate from 12.5 mm IS sieve and then 10 mm IS Sieve is used. The material which will retained on 10 mm sieve will kept in another pa
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Elongation Test of an Aggregate

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Elongation tes t is an important test of an aggregate. Because, aggregate is an important ingredient of concrete. Aggregate is how much elongated, it will acceptable or not as per their acceptance criteria, it will known by elongation test. I am representing here elongation test of an aggregate. Image Source:Amazon.in Elongation Index :-If aggregate least dimension is greater than 4/5th or 0.8 times its mean dimension, then it is called elongated. Image Source:utest.com.tr Recent Post: Flakiness Test of an Aggregate Used IS Sieve :- 25 mm 20 mm 16 mm 12.5 mm 10 mm 6.3 mm Also Read: Civil engineering related important questions with their answers Teat Procedure :- Image Source:Indiamart.com (i) The aggregate of 200 pieces which is kept separately. (ii) Now, weight of 200 pieces and suppose weight=2187 gm. Then it will mention in the format. (iii) Elongation gauge will kept on a pan.Which aggregate will pass through this gauge, will fall fall in the bottom pan and whichever is not passes
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Flakiness Test of an Aggregate

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  Flakiness test is an important test of aggregate.Because, aggregate is important ingredient of concrete. Aggregate is how much flaky, it will acceptable or not, it is known by flakiness test.I am representing here flakiness test.   Flakiness Index - If aggregate least dimension is less than 3/5th or 0.6 of its mean dimensions, then it is called Flaky. Flakiness Gauge (Image Source:iricen.gov.in) Recent Post: Civil Engineering Related Important Questions With Their Answers Used IS Sieve :- 25 mm            20 mm 16 mm 12.5 mm 10 mm 6.3 mm Flakiness Gauge (Image Source:Amazon.in) Also Rest: Important terms on the basis of IS codes Test Procedure :- (i) To arrange all IS sieves in descending order as mentioned above. (ii) Take approx 7.5 kg. sample, weight of that sample and according to sieve size order, we will sieving them. (iii) Sieving as good method and on each sieve retaining 200 and 200 pieces of aggregate taken separately.(means 200 nos. for flakiness test and 200 nos. for elon
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Civil Engineering Related Important Questions With Their Answers

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  In this article,I am presenting few important most important questions with their answers, taken from various IS codes and books of civil engineering.These questions could be of your great help  for your interview and general awareness about civil engineering. Please go through it.I hope it will expand your knowledge. Image Source:Pexels.com (1.) Sand does not give strength to mortar but it helps in adjustment of strength of mortar due it helps in adjustment of strength of mortar due to change in its quantity. For example-1:1 mortar has more strength compared to 1:2, 1:3, 1:4 mortar. (2.) 1 cum of wet mortar=1.25 cum of dry mortar. Image Source:Pexels.com (3.) Round aggregate-Presence of round aggregate in concrete its workability because round aggregates have minimum surface area.Hence, same volume of cement paste would be able to lubricate more no. of round aggregate. Presence of round aggregate decrease strength as for the given volume of aggregate.Because, development of friction
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"Sewer Network Analysis"

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The word sewerage is made from sewer. The word sewer indicates the usable water which is received from kitchen, bathroom and outfall from toilet/W.C. Every large or small city was held at sea, river and lake and it was planned at initial stage of the project planning, that the dirty water of homes and industries was dumped in that water source easily. Many years passed the dirty water from these utilities are dumped in the nearest source and that source water was make too poisons. Many aquatic life is survive in water and when dirty water is mixed with water source the biological cycle was affected and fishes and other animals population was decreases. Image Source:Pexels.com In that case population of human is also increases continuously and after that level of water source was decreases and we faced many problems continuously. Then sewer network is introduced. Outlet from all homes are connected to lateral lines means the water of kitchen, bathroom and water closet are co
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Important Points SOP (Standard Operating Procedure) During the Inspection of RCC NP4 Pipes

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Image
Important Points SOP (Standard Operating Procedure) During the Inspection of RCC NP4 Pipes: -    Image-Hydro Test (Photo Credit: Ritesh Raj) (1.) Firstly, approved QAP will be checked.  (2.) ID marks should be marked on the inner and outer sides of pipes.  Image-ID Mark (Photo Credit: Ritesh Raj)  (3.) To check the inner and outer diameter of pipes.   (4.) Smooth finishing and before dispatch of RCC pipes cement slurry or grouting where required.   (5.) Load test is required for RCC pipes as per IS codes. It is different for each dia, of RCC pipes.  Image-Plate Load Test (Photo Credit: Ritesh Raj)   (6.) Concrete mix design checked and in which cement content, cement brand, and water-cement ratio should be checked.  (7.) The straightness test to be checked of RCC pipes through the straightness rods to collinear visible.   (8.) As per requirement 2% of hydro tests are to be checked as IS:458 of the total ordered quantity.  Image-Hydro Test (Pressure Release) (Photo Credit: Ritesh Raj)  
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Methodology for Trenchless Piping by Jack Pushing Method

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  Methodology for Trenchless Piping by Jack Pushing Method                       Work Under Pit (Photo Credit: Ritesh Raj) 1.0 Purpose: The Purpose of this procedure is to lay guidelines, requirement and to establish a method or a system to control the open cutting & trenchless activity.   2.0 Scope : The Scope of the works covers the laying of RCC Pipe NP4 of 1000mm diameter on LHS of NH (NH No. will be mention) Road from (Chainage 1) to (Chainage 2) by using Trenchless Jack Pushing method.  Also Read: Initial Setting Time of Cement 3.0 Methodology: 3.1 Survey Alignment of Pipe Line to be marked from the position of Manhole to Manhole which is to be constructed. 3.2 List of Manpower: ·          Engineer                                   - As per Requirement ·          Safety Officer                           - As per Requirement ·          Supervisor                                - As per Requirement ·          Excavator Operator                   -
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