Pentax W-1502 N Setup

Pentax W-1502 N    

Total Station Setup

1 Open Total Station box and pick up Total Station from handle and keep it on tripod and connect  with connecting screw with the tripod base.

2 Now take batteries from box and connect with machine (batteries sort is on right side when you leveling instrument)

3 now click on “Power button” to start machine.

4 Total Station (automatically open my Device) if not select automatically my device select it manually.

5 After this selecting “My Device” Four option will be appear on Total Station Display

1 Fields Genius, 2 Instrument Setup, 3 About, 4 Exits.

Now select first one “1 Fields Genius” and Wait for a 5 seconds.

6 now laser is on level the instrument on the B.M or STN Point and level whole instrument (leveling, centering, and focusing) and keep face on Right “right Face” and select à Continue.

7 After leveling the Instrument Project Manager will come automatically and you can open it manually, But on the new Project at open automatically.

 Now select à “new Project”

Give name -----------   “you can keep name in number or alphabet as you wish” Double click on name area and give name, you can also give name from keypad.

Change to number Two alphabet click on @ on keypad button to change it.

Click à OK  à yes

(Make no change) select à Continue à wait for some seconds.

Now Pentax Fields Genius assistant ask you, would you like to create a new point now?

Click à yes

_____________________________________________________________________________________

Pentax display appear like this

Store point

                   

  Point ID             ____________

                  

   Description       ____________

                  

   Northing           ____________

              

   Easting              ____________

                   

   Elevation           ____________

                 

  Note                   tap to enter note “Advanced”

  Now click à “Store Point” machine ask you ‘The description STN is not fond in the AutoMap library, add to the project file?

Click à yes (if you enter every time new description or code Total Station will ask you like this).

8 Now again “Pentax Fields Genius assistant” ask you, would you like to Setup the Instrument at the new Point?

Click à yes

(For new every new project “Pentax Fields Genius assistant” ask you like this) and assist you on this way.

9 Orientation Setup

Instrument

  è Occupy Point or Station Point                              = _____________

      Instrument Height                                                     = _____________

Bask sight

  è Back sight Point                                                  = _____________

  è Back sight Direction                                          =  _____________

  èBack sight Distance                                       = _____________

  è Target manger                                                      Click to give prism height

Then Click à OK

10 now Rotate Total Station to the Back sight Point and Target it (keep attention here if you make any mistake this will make you more trouble.

Completing this all click à “on Right side down click on Total Station icon to take on back sight and Shot.

            

Displaying

Measuring ………………..

Measuring angle/distance………….

Now check orientation Result:

Accept à if all is correct

Observation Again à if you got Error above 0.020

Cancel à if you don’t want to setup Instrument.

Watch video Tutorial

Thanks…!

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ALL ABOUT CIVIL ENGINEERING SITE WORKS

Core cutter test calculation method

 Core cutter test method 

 Operating instructions:- 

The core cutter method is used to determine the density and moisture content of embankment or foundation materials.

 Procedure:- 

Excavate the area to the prescribed depth, so that the excavated area has a horizontal and flat bottom surface measuring at least 0.4 x 0.6 m. Place the appliance with the drop weight in the hole and fix the sample ring with the crib in the holder that is fixed to the lower side of the guide bush. Set the guide bush vertically and allow the weight to fall as many times as is necessary until the edge of the holder is touching the bottom surface. Remove the appliance from the hole and dig out the sample ring, by inserting the shovel about 0.02 m beneath the sample ring. Skim off the lower side of the sample ring carefully with a sawing motion using the steel ruler. Make up for any loss of material at the lower side of the sample ring by applying a light pressure from your hand at the upper side of the sample ring by pressing the material to the lower side and skim off the excess material with the ruler. Place the sample ring on the flat metal plate and remove the crib. Skim off the excess materials carefully by applying a sawing motion.

Carefully brush off the exterior of the sample ring. Transfer the contents of the sample ring to a plastic bag. Use the brush to add the materials remaining in the sample ring to the contents of the plastic bag and close this so that it is airtight. Make sure the volume of the in situ materials is equal to that inside volume of the sample ring (V cm3).

 Mass and moisture content 

 Required materials: 

Balance, accuracy of 0.1 gr (art. no.: 98.01.03). Drying oven, at 110 ± 5 °C.

 Operation: 

The materials that were excavated or removed with the sample ring (c g) should then be weighed. Dry the materials at 110 ± 5 °C to a constant mass and weigh again when cooled (d g). Carry out precision weighings with an accuracy of 0.1 gr.

Calculation 

                                           c-d

Calculate the moisture content as   d      •  100% with an accuracy of 0.1%

Density: Make sure the volume of the materials in situ is equal to the inner volume (V cm3) of the sample ring. Determine the inner volume of the sample ring with an accuracy of 0.1 cm3

 Calculation 

                                                                                                       d

With an accuracy of 1 kg/m3, calculate the density as 1000 x     V    •  kg/m3.

The core cutter method is suitable only for materials that contain no stones.

 Core Cutter Test 

Formulas:-

Wet Density =   W.T of material / volume of core

Volume of core = πD²/4 * H

Moisture = 10 %

Dry density = (Wet density / M.C + 100)* (100)

Compaction = (Dry density / max dry density) * 100  

 Thanks..! 

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Civil Engineering site work

All about civil engineering site works 

QS First lesson

METHODS OF TAKING OUT QUANTITIES

The quantities like earth work, foundation concrete, brickwork in plinth and super
structure etc., can be workout by any of following Three  methods but mostly use first two method:

A) Long wall - short wall method
B) Centre line method.
C) Partly centre line and short wall method

A) LONG WALL-SHORT WALL METHOD

In this method, the wall along the length of room is considered to be long wall while
the wall perpendicular to long wall is said to be short wall. To get the length of long wall or
short wall, calculate first the centre line lengths of individual walls. Then the length of
long wall, (out to out) may be calculated after adding half breadth at each end to its
centre line length. Thus the length of short wall Measured into in and may be found by
deducting half breadth from its centre line length at each end. The length of long wall usually
decreases from earth work to brick work in super structure while the short wall increases. These
lengths are multiplied by breadth and depth to get quantities.

last to methods definition in end Page of this page...

______________________________________________________

Example: - Workout The following quantities from the given data and sketch for a straight wall 20’ long.

 Earth work

     Concrete work

  Brick work in foundation and plinth

   Damp proof course

    Brick work in super Structure

   Cement plaster

White washing  

Solution:-

S, NO	Description			No	Length m	Breath m	Height/ Depth m	Quantity cft	Remarks
1	Excavation			1	21’-9”	2’-6”	2’-0	108.750	Length of long wall +(Breath of step – Step of Sp structure wall)=21’-9”
2	Concrete (1:3:6)			1	21’-9”	2’-6”	9”	40.78
	Brick Works in Foundation and Plinth
	A B C	First Step 2nd step 3rd step		1 1 1	20’-9” 20’-4.5” 20’-0”	1’-6” 1’-1.5” 0’-9”	0’-6” 0’-6” 0’-9”	15.56 11.46 11.25
4	D.P.C (1:2:4) Thickness 1.5”			1	20’-0”	0’-9”	__	15 sft
5	Brick works in Sup. Str. Mortar (1:2)			1	20’-0”	0’-9”	10’-0”	150
6	Cement plaster 1” thickness (1:3)			2 2 1	20’-0” ___ 20’-0”	___ 0’-9” 0’-9”	10’-6” 10’-6” __	420 sft 15.75 stf 15.00 stf
	A B C		Sp. Wall Sides top
	Total Cement plaster							450.75 stf
7 White washing 3 coasts				As per Item No : 6				450.75 sft

     

B) CENTRE LINE METHOD

This method is suitable for walls of similar cross sections. Here the total centre line

length is multiplied by breadth and depth of respective item to get the total quantity at a time.

When cross walls or partitions or verandah walls join with main all, the centre line length gets

reduced by half of breadth for each junction.Such junction or joints are studied

carefully while calculating total centre line length. The estimates prepared by this method

are most accurate and quick.

C) PARTLY CENTRE LINE AND PARTLY CROSS WALL METHOD

This method is adopted when external (i.e., around the building) wall is of one
thickness and the internal walls having different thicknesses. In such cases,centre line method is
applied to external walls and long wall-short wall method is used to internal walls. This
method suits for different thicknesses walls and differentlevel of foundations. Because of this
reason, all Engineering departments are practicing this method.

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