Wednesday, 11 March 2020

Surveying interview questions and Answer | top interview questions for surveyors



Preparing for a job interview is important.
 If you expect to demonstrate your specific knowledge and abilities in a manner that will impress the hiring manager.
You should prepare for the normal basic questions that an interviewer will ask such as are you a team player & where do you want to be in five years.

1)      As a surveyor, what are your primary job tasks🤔?
If you are a land surveyor, you would answer that your primary job tasks include ascertaining the measurements of various properties for the purpose of buying and selling land. You may also have to measure boundary line limits for mining or gold claims, as well as locating roads, utilities or buildings for developers.
As a building surveyor, you can answer that you have worked on the design and development of new buildings in various fields (commercial, residential, industrial, leisure or agriculture). This field is expansive, so be sure to pick specific job responsibilities that you have.

2)      Why did you become a surveyor 🙄?
This question should have a more personal response, such as you have always enjoyed working outdoors and like the benefits of being a land surveyor where you can be outside often. Maybe you enjoy construction and find it fulfilling to work as a building surveyor where you have input on the design and maintenance of buildings.

3)      Do you enjoy working outdoors🤔?
A hiring manager might ask this question, especially for a land surveyor position, where you will spend a good amount of time working outside. If you are not well-suited to the outdoor working environment, you won’t be compatible with the position.

4)      Are there any areas of surveying that challenge you🤔?
You need to answer this question honestly. But, always make an effort to assure the hiring manager that you work well in challenging environments and see challenges as opportunities for growth.

5)      During your apprenticeship period, what was the most important thing you learned🤔?
Responding to this question provides you with the perfect opportunity to shine as a surveyor. For example, you can say that you worked with an excellent mentor during the training program and learned discipline and how to perfect your trade.

6)      Do you have good organizational skills🤔?
Being organized as a land or building surveyor is important. You have to deal with paperwork, surveying properties and buildings, organizing and managing those surveys and keeping every job site appointment that is scheduled. It is important to demonstrate your excellent organizational skills so that the hiring manager will note your compatibility for the job.

7)      How are your administrative skills🤔?
This question may be asked in conjunction with the previous one about your organizational skills. The hiring manager is basically trying to ascertain if you will be able to handle paperwork and all that entails with regard to surveying documents. As this is one of the skill sets that you need to excel in, be sure to construct a response that demonstrates your excellence in administration.

8)      Have you made any mistakes while surveying 😛?
It may seem like a catch 22 situation, where neither possible response is good. If you say you’ve never made any mistakes you may appear to be disingenuous and that you’re lying in your answer. And if you say that you made some mistakes, you run the risk of appearing incapable of doing your job.

But it is possible to answer this question correctly. The trick is to be honest. But, always temper your response with a professional attitude that demonstrates your willingness to take responsibility and to learn from your mistakes.

9)      What steps have you taken to improve as a surveyor 🤔?
The interviewer may ask this question to ascertain whether or not you have the drive to succeed and continually develop as a professional in your field. You should respond that you have taken steps to improve in your profession. [{For example, you might respond that you worked with your supervisor to receive constructive criticism regarding your surveying projects and how you could improve your work performance}].




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Wednesday, 24 July 2019

Test's for Base Course Material | Base Course




Required Tests and Minimum Repetition for As- Laid Base Course Material



  CONTROL ON SITE AFTER LAYING AND COMPACTION: 

 Required Tests 
 Frequency 
1

2
Gradation of Materials

3
Plasticity Index

4
Test for every 500 m for each layer and lane width and when material source or properties changed.
5
Abrasion

6
Sand equivalent

7
Clay lumps & friable particles

8

9
Thickness
Test for every 1000 m2  and for every layer.









 MEASUREMENT:  

A. Aggregate Base Course shall be measured by the cubic metre of aggregate materials furnished, crushed, screened, mixed with water, placed, spread, compacted and finished, completed, and accepted. Measurements shall be of volumes computed from the cross sections shown on the Drawings and of the field measurements of the area and compacted depth for each Trial Section. 



B. Rates for Aggregate Base Course in Temporary Diversions shall also include for removal and disposal of the sub-base material and reinstatement of the area of the temporary diversion, to the satisfaction of the Engineer, on completion of use.



C.  No measurement shall be made for direct payment of over depth construction, regardless of the Engineer's permission for it to remain in place.



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Tuesday, 23 July 2019

AGGREGATES FOR BASE COURSES | Road works

 AGGREGATES FOR BASE COURSES 


A.  Aggregates for use in base course construction shall be either crushed stone or crushed gravel. The fine aggregate shall consist of screenings obtained from crushed stone, gravel or sand. Aggregate shall be washed if necessary to remove excessive quantities of clay, silty clay or salts.

B. Crushed stone shall consist of hard, durable particles or fragments of stone, free from dirt or other objectionable matter and shall contain not more than 8% of flat, elongated, soft or disintegrated pieces.

C. Crushed gravel shall consist of hard durable stones, rocks and boulders crushed to specified sizes and shall be free from excess flat, elongated, soft or disintegrated pieces, dirt or other objectionable matter

D. The method used in the production of crushed gravel shall provide a uniform material quality. The crushing of the gravel shall result in a product having at least 90% by weight of particles with at least one fractured face. All stones, rocks, and boulders of inferior quality occurring in the pit shall be discarded.

E. Any material passing the 4.75 mm (No. 4) sieve and produced in the crushing process may be incorporated in the base material up to the grading limits required for the base course aggregate.

F. Crushed aggregate for base course shall meet the requirements of Class A or Class B gradings as shown in Table 3.1.3 when tested in accordance with AASHTO T 27 after mixing with water, just before spreading and prior to compacting. The class of aggregate to be used shall be as shown on the Drawings or as selected by the Engineer. The actual grading shall be continuous and smooth within the specified limits for each Class. Gap graded aggregate shall not be accepted. If gradings are tested after compaction a tolerance of 3% shall be allowed in the upper limit for the percentage of material passing the 200 sieve.

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Table   Grading of Base Course Aggregate by Class 

                   Sieve Designation                          Percent by Weight Passing
                   (Square Openings)                          Class A                 Class B  
                   50 mm (2 in.)                                    100                           - 
                   25 mm (1 in.)                                 75 - 95                      100 
                   9.5 mm (3/8 in.)                             40 - 75                   50 - 85 
                  4.75 mm (No. 4)                             30 - 60                    35 - 65 
                  2.00 mm (No. 10)                           20 - 45                    25 - 50 
                  0.425 mm (No. 40)                         15 - 30                    15 - 30 
                  0.075 mm (No . 200)                      5 - 20                      5 -15 



G. The amount of the fraction of material passing the No 200 mesh sieve shall not exceed one half of the fraction passing the No. 40 mesh sieve.

H. The loss in weight shall be in the range of 45% after 500 revolutions, when tested in accordance with AASHTO T 96 (Los Angeles Abrasion Test) and the sand equivalent shall be a minimum of 43% when tested in accordance with AASHTO T176.

I. The crushed aggregate base course material shall have a 4-day soaked CBR of not less than 80 when compacted at 100% of modified proctor AASHTO (T180-D) and tested in accordance with AASHTO T 193.

J. When tested for soundness in accordance with AASHTO T 104, the material shall not show signs of disintegration and the loss by weight shall not exceed 12% in the case of the sodium sulphate test and 18% for the magnesium sulphate test.

K. The portion of aggregate, including any blended material, passing the 0.425 mm (No. 40) mesh sieve shall have a Liquid Limit (L.L.) of not more than 25 and Plasticity Index (P.I) of not more than 6 when tested in accordance with AASHTO T 89 and T 90. 

L. If additional fine material is required to correct the aggregate grading or for adjusting the L.L. or P.I. of the fraction passing the 0.425 mm (No. 40) sieve, it shall be uniformly blended and mixed with the aggregate material at the crushing plant or by a method approved by the Engineer. Reworking of the material in situ to obtain the specified gradation shall not be permitted. Additional fine material shall only be obtained from the crushing of stone, gravel or natural material.