### Horizontal Directional Drilling (HDD) Process

once the pilot hole has been completed, the borehole must be enlarged to a suitable diameter for the product pipeline. this is accomplished in the second stage of the horizontal directional drilling process by “prereaming” the horizontal boring to successively larger diameters.,flow rate calculator - pressure and diameter | copely,with this tool, it is possible to easily calculate the average volumetric flow rate of fluids by changing each of the three variables: length, pressure and bore diameter. the effects on the predicted flow rate are then given in three graphs, where in turn two of the variables are kept constant and the flow rate is plotted against a range of values of the third.

### BrickWork Calculation & Calculator | Quantity Of Sand

the length and depth of bed is 10′ x 0.33′ [front face area] front face area of bed (l x d) = 10’x0.33′ = 3.3sft there are two beds in brickwork so = 2×3.3sft = 6.6 sft,friction loss calculator - good calculators,hazen and williams created an empirical formula to calculate pressure losses for liquids flowing through straight pipes. the formula below can calculate these losses over a given length of pipe. h l = 10.67 * l * q 1.852 / c 1.852 / d 4.87 (si units)

### Hydrostatic Testing & Drying - Western Regional

watch temperature to avoid over pressure while testing include head pressure in your calculations for the test when the pressure reaches a point of 70% smys, the rate of pressurization should not exceed 10 psig per minute the volumes of water added or removed to control test pressures should be measured and documented.,lumber calculator [how much lumber do i need,the calculator also works out the total length of the construction: $$linear,feet = length imes number,of,pieces$$ how to calculate project cost. if you know the price per linear foot or board foot, the calculator can work out the total cost of the wood using the formula: $$cost = price,per,board,foot imes total,board,feet$$ or

### Pressure Drop Online-Calculator

pressure drop online-calculator calculation of pressure drops of flowing liquids and gases in pipes and pipe elements (laminar and turbulent flow). note: calculations are possible only, if javascript is activated in your browser. pressure drop online-calculator for small mobiles. this version is usable for browsers without javascript also.,engineering standards manual: standard drawings & details,lift station concrete wet/dry well : 09/01/16: st-g3020-2: 4: 6: lift station electrical detail : 09/01/16: storm water : st-g3030-1: 1: 2: concrete catch basin : 09/15/16: st-g3030-2: 1: 2: precast concrete catch basin: 09/15/16: st-g3030-3: 1: 3: man hole: 09/15/16: steam/condensate : st-g3040-1: 1: 4: tie-in: 09/15/16: st-g3040-2: 1: 3: site steam drip leg : 09/15/16: natural gas : st

### Pressure Loss Calculator - Hydraulic Calculation

pressure drop calculation algorithm. checking calculation results. calculate values: mean velocity of the fluid; q - volumetric flow rate, m 3 /s, a - pipe's cross-sectional area, m 2, a=πd 2 /4, d - pipe bore, m ; reynolds number re,technology bored piles - soilmec,an auger or a bucket can be used to bore cohesionless soil or average compacted clay. an auger consists of a central shaft with a spiral-shaped flange welded around it. the cutting edges of the helical flange have wedge-shaped teeth. augers are suitable for digging clayey or cohesionless, dry soil. in fact, if there is ground water, the excavated soil

### Nozzle Requirements Calculators

sprinkler calculator finds the nozzle discharge (flow rate) for a given diameter and pressure, or the diameter size for a given pressure and flow rate.,flow rate calculator - calculate the flow rate of a pipe,calculation examples. example 1: a round pipe has a diameter of 25 mm and water is running through it with a velocity of 10 m/s. what is the flow rate of the water? first, we calculate the cross-section area to be (25/2)^2 · 3.1416 ~= 490.875 mm 2. we can convert this to m 2 by dividing by 1,000,000 for more convenient results, getting 0.000490875 m 2.

### Frequently Asked Questions (FAQ) On Borewells: Part I

if the surrounding bore wells are yielding for 5 h.p and your bore well will yield for 10 to 15 h.p. please do not do this if you get clay like silt or if very nice black or white colored powder is coming out from the bore well as water yield would be very low. if coarse grained sand gravel like material is coming out only then will this method work.,air changes per hour calculator (cfm based formula),to calculate cfm you need, you can use the following formula: cfm = (area x height x ach) / 60. if you have 1.422.475 cubic ft of space (this is area x height). if you insert 6 ach, you get a total of 142.247,5 cfm.

### Grinding Wheel Speed Calculator | Norton Abrasives

grinding wheel speed calculator: all norton grinding wheels are marked with a maximum operating speed in rpm. most machines, and especially cnc machines, use surface feet per minute (sfpm) as an input, which requires operators to do the conversion.,online conversion - area calculator,enter the length and width to calculate the area. useful for rooms, yards, gardens, anything rectangular in shape. dimensions. measured in: length: width: feet. meters. area in square feet.

### Nozzle Calculator - Giant Pumps

nozzle calculator. this chart will assist you with the selection of the proper nozzle size. to find the correct nozzle size you need to know the flow of your system and the pressure you wish to achieve. first, select the column with the required pressure across the top, then read down the column to find the amount of flow of your system.,chapter 32 well design and spring development,part 631 national engineering handbook chapter 32 well design and spring development 32–iv (210–vi–neh, amend. 34, january 2010) tables table 32–1 water well constructions methods 32–2 table 32–2 capacity of cylinders 32–4 table 32–3 awwa casing thickness 32–13 table 32–4 relation of changing diameter to yield of wells 32–14 table 32–5 differential head limitations for

### Bolt Torque Calculator - Online ISO Calculator

1) enter thread diameter nominal value in section thread size.click on info button for more info. 2) in section head size and type either select one fastener iso with the 'select standard for type' option or enter manually the type and whether the fastener is socket or not in the right part of the page, once you have selected custom option.. 3) enter strength class of the fastener.,calculation of safe bearing capacity of soil onsite,why to calculate the safe bearing capacity of soil before starting construction:- from the above figure, it is clear that the building is fallen in only one side. it is occurred by the settlements on one side of the building, due to this the building is overturned on one side but didn’t collapse.

### Flowrate Calculation For An Orifice Flowmeter

to calculate the flowrate of a fluid passing through an orifice plate, enter the parameters below. (the default calculation involves air passing through a medium-sized orifice in a 4' pipe, with answers rounded to 3 significant figures.) inputs pipe,calculator: pressure loss through piping for gas | tlv - a,online calculator to quickly determine pressure loss through piping for gas. includes 53 different calculations. equations displayed for easy reference.

### » Plate Weight Calculator - Portland Bolt

plate weight calculator. use this free tool to easily estimate the weight of carbon steel plates. whether your plates are round or square, it will automatically account for plates with or without holes. simply enter the dimensions and quantity to get the total weight. contact us for a quick quote on fabricated plates for bolted applications.,calculator: air flow rate through an orifice | tlv - a,online calculator to quickly determine air flow rate through an orifice. includes 53 different calculations. equations displayed for easy reference.

### Pipes And Pipe Sizing | Spirax Sarco

as the schedule number increases, the wall thickness increases, and the actual bore is reduced. for example: a 100 mm schedule 40 pipe has an outside diameter of 114.30 mm, a wall thickness of 6.02 mm, giving a bore of 102.26 mm. a 100 mm schedule 80 pipe has an outside diameter of 114.30 mm, a wall thickness of 8.56 mm, giving a bore of 97.18 mm.,pipe friction loss calculator - easycalculation,pipe friction loss = 0.002083 × (100/150) 1.85 × r 1.85 /d 4.8655 × l where, r = flow rate d = diameter l = pipe length

### Pressure & Area To Force Calculator

if you want to calculate the force you will need to multiply the kgf/cm2 value (which is a pressure) by the cross sectional area of the hydraulic ram/cylinder in square centimeters. if the force is 1 kgf and the area 1 cm2, then the pressure in bar would equal 1.0197162 bar. f (kgf) = p (bar) x a (cm²) x 1.0197162.,pumping tests :. aquifer testing,a pumping test is a field experiment in which a well is pumped at a controlled rate and water-level response is measured in one or more surrounding observation wells and optionally in the pumped well (control well) itself; response data from pumping tests are used to estimate the hydraulic properties of aquifers, evaluate well performance and identify aquifer boundaries.