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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)  

Proctor Test for Compaction of Soil

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 Proctor Test for Compaction of Soil Image Source: theconstrutor.org Compaction is a artificial process in which expulsion of air is done by means of mechanical means. The dry density is maximum at certain moisture content, that moisture content which is called optimum water content. A curve is drawn between the water content and the dry density to obtain the maximum dry density and optimum water content. Dry density of soil=Wet density/(1+W) Where, W=Water content Recent Post: Bulking of fine aggregate Image Source:Civilengineeringforum.me Apparatus Required:- (i) Take balance, weight=10 kg, where least count=1 gm (ii) Rammer, weight= 4.9 kg, where Fall=450 mm (iii) Proctor mould, Dia.=150 mm, Depth=127.3 mm (iv) 37.5 gm GI sieve is used. (Note-If soil is coarse, then 37.5 mm sieve is used and for other soil 19 mm sieve is used) (v) Total soil sample taken=30 kg (vi) We have taken 6 kg samples of soil in 5 nos. of tray. Also Read: Specific Gravity of Soil by Pycnometer Method  Format:

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