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Monday, May 1, 2017

BOCW Cess

Dear Readers,
 
Wish You a Happy May Day-2017

Following three industries where normally unskilled manpower are being deployed
·         Construction Industries –Applicable act is BOCW Act, 1996
·         Manufacturing Industries – Applicable act is Factories Act
·         Mining Industries – Applicable act is Mines Act
Now, let us discuss about BOCW act. It is short form of Building and Other Construction Workers' Welfare Cess Act, 1996

Normally in construction Industries, we used to follow the Contract Labour Act, 1971, and we take Labour License before commencement of Construction Job. In that Act, normally the details are given about the Contract Workforce, Obtaining Labour License Procedure, Welfare Measures, and all about the contract Workmen. The Government felt that the act is not having the uniqueness.
 
Hence in 1996, Indian government introduced the Building & Other Construction Workers Act, (in Short, BOCW Act), BOCW Rules and BOCW Welfare Cess Act, In BOCW Act & Rules it has given the direction about the Welfare measures to Workmen, Safety Precautions and many Technical Aspects about the Tools, Tackles, Instruments, Machineries, Lifting Appliances, its maintenance, inspection, etc. Medical Facilities required to be given to the injured workmen, Periodical Medical Checkup for drivers, operators, food handlers, etc., Pre-employment Medical Checkup for every workmen.
In this Act, for implementation purpose the Government needs fund. So they implemented the BOCW Welfare Act, which made the provision to collect 1% minimum and Maximum of 2% of the Cost of Construction / Works carried out during the Financial Year to be paid as BOCWW Cess to the BOCWW Cess Board.
Some of the Key Points are below.
·         Cess came into force on 26th March, 1998

·         This act is applicable immediately on commencement of Job

·         The Principal Employer and the contractors, both are liable for this Cess

·         The responsibility of Principal Employer to make the payment of Cess.

·         The BOCW Cess is payable to the Government (BOCW Welfare Commissioner of State)

·         Cess rate not exceeding two percentage, but not less than one percentage of the cost of construction incurred by an employer.

·         Cess shall not include the Cost of land and any compensation paid or payable to a worker or his kin under the Workmen's Compensation Act. 1923.

·         BOCW act does not include any building or other construction work to which the provisions of the Factories Act, 1948 (63 of 1948), or the Mines Act, 1952 (35 of 1952), apply.

·         Cess is not refundable in any case. However, the amount of compensation paid to the workers during that year, can be deducted from the Cess payable.

·         Cess shall be paid by an employer,

o   If the project duration is less than a year, within thirty days of completion of the construction project or within thirty days of the date on which assessment of Cess payable is finalised, whichever is earlier, to the Cess collector.

o   If the duration of the project or construction work exceeds one year, Cess shall be paid within thirty days of completion of one year from the date of commencement of work and every year thereafter at the notified rates on the cost of construction incurred during the relevant period.

·         Once Factories Act is implemented there the BOCW act will get ceased.

·         Once the Factory fencing is made excluding the expansion project then Factories Act is not applicable and only BOCW will be applicable to that expansion project.

·         If Construction area falls within the factory premises then BOCW Act cannot be applicable and only Factories Act will be applicable.

·         For Registration under BOCW Act is exempted for those who got covered by Factories Act and Mines Act and the construction work carried out for self and the cost is within 10 Lakhs.

·         Generally ESI Coverage is not applicable for Construction Industries and not for BOCW Act. But if your construction Activities are being done in the premises of Factories or your principal employer is covered under ESI, then obviously you also required to make payment of ESI as 1.75% Employee Share and 4.75% Employer Share.
The above views are my personal views from the study which I have made on this subject. There is a need to take up the ambiguities in this entire enactment

Sunday, April 2, 2017

Sand Blasting

 

Dear Readers,
 
Sand blasting is one of the surface cleaning process for structural steel. Sandblasting is a general term used to describe the act of propelling very fine bits of material at high-velocity to clean a surface. Sand used to be the most commonly used material.


As per ISO and Swedish standard, Surface preparation by blast cleaning is designated by the letters "Sa". Swedish standards has been accepted worldwide. As per standards Sand blasting is classified under four category namely Sa1, Sa2, Sa 2 ½, & Sa3.


Brief descriptions are as follows. 
Sa1 = Light Blast Cleaning
Sa2 = Through Blast Cleaning
Sa 2 ½ = Very through blast cleaning
Sa3 = Blast cleaning to visually clean Steel

“Sa” means Swedish air blast similarly “St” means Swedish tool cleaning. Detailed description of each grade is as follows.

Blasting Grade Sa 1: It is a light blast cleaning. Loose mill scale, rust and foreign matter must be removed. When viewed without magnification, the surface shall be free from visible oil, grease and dirt, and from poorly adhering mill scale, rust, paint coatings and foreign matter.

Blasting Grade Sa 2: It is a through blast cleaning. Almost all mill scale, rust and foreign matter must be removed.  When viewed without magnification, the surface shall be free from visible oil, grease and dirt, and from poorly adhering mill scale, rust, paint coatings and foreign matter. Any residual contamination shall be firmly adhering.

Blasting Grade Sa 2 ½: It is a very through blast cleaning. This grade is very often used in construction industry. Mill scale, rust and foreign matter must be removed to the extent that the only traces remaining are slight stains in the form of spots or stripes.

Blasting Grade Sa3: Blast cleaning to pure metal. Mill scale, rust and foreign matter must be removed completely and it shall have a uniform metallic colour.
Notes.
1). Surface cleaning should be mention along with rust grade. For example B Sa2, here first letter "B" represents rust grade.

2). Prior to blast –cleaning, any heavy layers of rust shall be removed by chipping. Visible oil, grease and dirt shall also be removed.

3). Finally the surface is cleaned with a vacuum cleaner, clean dry compressed air, or a clean dry brush before painting.

For More Details about surface preparation of structural steel click Here
For More Details about grades of rust click Here
 

Thursday, March 2, 2017

Seventh Blogoversary

Dear Readers,

I am very glad to inform you that Engineer diary blog has been passed another year. yes, it is a Seventh blogoversary. I would like to take this opportunity to thank each and every one of you who has stayed with us along our incredible journey for the past Seven years.
 
It was my long dream that share the technical knowledge and data’s to others, especially for engineers, technicians and others who are being involved in construction industry. Accordingly, Seven years ago, I wrote my first blog post, having no idea where it would lead me or how it would change my life, but I was very sure that demand for technical data will be always exists and I believed that I can do better some extent. Hope new comers in construction industry benefited through this blog. Hope I am moving in right direction without change my core value (This blog is not for time pass)
 
Dear Readers,

Click here to get more
Seventh Blogoversary for Engineer Diary
Crane & Crane Man
Provided by MasterGreetings.com

 
I know that I am moving little bit slow regarding the quantity of posts (Total 144 posts blogged during these period and 20 posts during last year) This is due to more conscious about the technical data, we realize how important it has become to us as well as to you, and we promise we will keep it up with quality information.
 
I have received so many loving emails and comments through the years because of this blog, which makes my heart beyond happy. I have made so many amazing friends through the years because of this blog. I love that so much. I am so grateful to everyone who has supported this blog with love, behind the scene advices, wonderful comments and likes, introducing the blog to people, etc. I really do appreciate.
 

Once again, thanking you to each of you who have offered support here along the way.
 
-Crane  & Crane Man.

Sunday, February 5, 2017

ISMB UNIT WEIGHT

Dear Readers,

ISMB - Indian Standard Medium Weight Beam. This weight chart is republished here. It has been a popular post of this blog. However it is necessary to update the table for more information like dimensions of Web and Flange including thickness apart from unit weight.
 

Beam cross section looks like a English letter I or H. It is a Hot rolled Steel, The horizontal element is called flanges, while the vertical element is called web and it is a Hot rolled steel

For More Details about classification of Hot rolled steel click Here
For More Details about the unit weight of all beam click All in One
 

Best Quote :- Do the difficult things while they are easy and do the great things while they are small. A journey of a thousand miles must begin with a single step. Have a Nice Day

Sunday, January 15, 2017

International Steel Standards

Dear Readers,

While preparing blog articles, self always try to co-ordinate the steel standards between the other steel standards. Unfortunately, there is no common global steel standard or classification system. Rather, there are a number of classification and designation systems accepted and used worldwide, which are developed and standardized either nationally and internationally.
Steel standards are systems for classifying, evaluating, and specifying the chemical, mechanical, and metallurgical properties of different types of steels and ferrous alloys that are used in the production of components, machinery, and constructions.
Steels can be classified by a large variety of criteria, such as:
1). Composition, for example carbon, low-alloy, or stainless steel.
2). Method of manufacturing, such as open hearth, basic oxygen process, or electric furnace methods.
3). Finishing method, such as hot rolling, cold rolling, and various surface finishing and platting techniques.
4). Product form, for example bar, wire, plate, sheet, strip, tubing or structural shape.
5). DE oxidation practice, such as killed, semi-killed, capped or rimmed steel.
6). Microstructure, such as ferritic, pearlite and martensitic.
7). Heat treatment, such as annealing, quenching and tempering.
Some of the more frequently used steel standard and classification systems include:
AISI (American Iron and Steel Institute) steel standards, which are traditionally used in the US and abroad. While this standard is no longer maintained and has increasingly been replaced by SAE, ASTM and other U.S. standards, it is still widespread.
EN (Euro norm), which is a harmonized system of metal and steel standards of European countries. Although it is accepted and effectively used in all European countries, “obsolete” national systems, such as German-DIN, British-BS, French-AFNOR and Italian-UNI are commonly used and often found in many documents and specifications.
Japanese JIS steel standards, which are widely used in Asia and Pacific regions. JIS steel specifications have also often been used as a base for other national systems, such as Korean, Chinese, and Taiwanese standards.
Steel standards for BRIC Countries Brazilian-NBR, Russian-GOST, Indian-IS, and Chinese-GB and YB are followed.
For Example, Different standards used for General structural steel in construction works are as follows.
Indian Standard = IS: 2062
Chinese Standard = GB/T 700-2006
Japanese Standard = JIS G3101-2004
European Standard = EN 10025-2004
American Standard = ASTM A36-05.
Similarly, Different steel standards are used for Cold forming steel, high strength low alloy structural steel, Steel for boiler and other pressure vessels and Steel for ship building.
Note : In addition to the many standards described above, many steel manufacturers and suppliers have developed their own proprietary, commercial names for designating steels. Some of these designations have, after years and decades of use, become widely used within the industrial community and are often referred to as “common“ names or “trade” names, without actually referring to the particular supplier. In most cases, these “common” names are not standardized and properties may vary substantially; their application in official technical documents should therefore be avoided.

Sunday, January 1, 2017

New Year Wishes - 2017

Dear Readers,

A new year is like a blank book, and the pen is in your hands. It is your chance to write a beautiful story for yourself. Happy New Year .
Regards,
Crane & Crane Man (Engineer Diary)
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