ontents - CSDC India · 5. Annexure: Nomenclature for QP & OS.. P58 ... Carry out shielded metal...

Contents

1. Introduction and Contacts..………………….P1

2. Qualifications Pack……….……...................P2

3. Glossary of Key Terms …………………………P3

4. OS Units……………………..…….….................P4

5. Annexure: Nomenclature for QP & OS.. P58

6. Assessment Criteria…..….….....................P60

Qualifications Pack – Construction Welder

(Electives: MIG/TIG/SMAW)

SECTOR: INFORMATION TECHNOLOGY- INFORMATION TECHNOLOGY ENABLED SERVICES (IT-

ITES)ces Helpdesk Attendant

Introduction

SECTOR: INFORMATION TECHNOLOGY- INFORMATION TECHNOLOGY ENABLED SERVICES

(IT-ITES)ces Helpdesk Attendant

OS describe what

individuals need to do, know and understand in order to carry out a particular job role or function

OS are

performance standards that individuals must achieve when carrying out functions in the workplace, together with specifications of the underpinning knowledge and understanding

CSDCI 204, Aashirwad Complex, D-1, Green Park, New Delhi - 110016 E-mail: [email protected]

SECTOR: CONSTRUCTION

SUB-SECTOR: Real Estate and Infrastructure Construction

OCCUPATION: Fabrication

REFERENCE ID: CON/Q1252

ALIGNED TO: NCO-2004/7212.20

Brief Job Description: Construction Welder is expected to perform welding in construction environment, keeping in line with all applicable safety and quality norms. Further, they shall be expected to perform grinding operations related to their work. The individual should possess good factual knowledge, and shall be able to maintain safe and quality work practices. Electives: Elective 1: MIG- This jobholder carries out MIG welding operations in 1G, 1F, 2G, 2F, 3G, 3F positions on carbon steel, stainless steel and other metals and alloy sections in fabrication yards and construction site within specified time and tolerance Elective 2: TIG- This jobholder carries out TIG welding operations in 1G, 1F, 2G, 2F, 3G, 3F positions on carbon steel, stainless steel and other metals and alloy sections in fabrication yards and construction site within specified time and tolerance

QUALIFICATIONS PACK - OCCUPATIONAL STANDARDS FOR CONSTRUCTION INDUSTRY

mailto:[email protected]

mailto:[email protected]

Qualifications Pack For Construction Welder MIG/TIG/SMAW

2

Elective 3: SMAW- This jobholder carries out SMAW welding operations in 1G, 1F, 2G, 2F, 3G, 3F positions on carbon steel, stainless steel and other metals and alloy sections in fabrication yards and construction site within specified time and tolerance

Personal Attributes: The individual is expected to be physically fit and mentally alert and safety cautious to be able to work across various location and height withstanding extreme condition while working. Moreover the individual should preferably not be suffering from any respiratory disorder, vision defects and skin allergies due to exposure to light and heat. They should have good communication skills and shall be able to work within a team to handle various welding tools and materials.


3

Qualifications Pack Code CON/Q1252

Job Role Construction Welder MIG/TIG/SMAW

Credits (NSQF) TBD Version number 1.0

Sector Construction Drafted on 07/06/2015

Sub-sector Real Estate and Infrastructure Construction

Last reviewed on 25/10/2017

Occupation Fabrication Next review date 25/10/2019

NSQC Clearance on

Job Role Construction Welder MIG, TIG ,SMAW

Role Description These job roles is responsible for performing welding on structural steel elements using MIG, TIG, SMAW process in 1G, 1F, 2G, 2F, 3G, 3F positions as per work requirement.

NSQF level 4

Minimum Educational Qualifications

Maximum Educational Qualifications

10th standard pass

Not Applicable

Prerequisite License or Training Certification as Tack Welder as per QP Code CON/Q1251

Minimum Job Entry Age 18 years

Experience 3 years site experience as a Tack Welder or equivalent

Applicable National Occupational

Standards (NOS)

Compulsory:

1. CON/N1206: Carry out grinding activities on structural

steel elements

2. CON/N8001: Work effectively in a team to deliver

desired results at the workplace

3. CON/N9001: Work according to personal health, safety

and environment protocol at construction site

Electives (mandatory to select at least one): Elective 1: Construction Welder MIG

1. CON/N1253: Carry out preparatory works for MIG

welding operations

2. CON/N1254: Carry out MIG welding as per requirement

in fabrication workshop or construction site

Elective 2: Construction Welder TIG

1. CON/N1255: Carry out preparatory works for TIG

welding operations

2. CON/N1256: Carry out tungsten inert gas welding as

per requirement in fabrication workshop or

construction site

Elective 3: Construction Welder SMAW

Job

Det

ails


4

1. CON/N1257: Carry out preparatory work for shielded

metal arc welding operations

2. CON/N1258: Carry out shielded metal arc welding as

per requirement in fabrication workshop or

construction site

Performance Criteria As described in the relevant OS units


5

Keywords / Terms Description

Sector Sector is conglomeration of different business operations having similar

business and interests. It may also be defined as a distinct subset of the

economy whose components share similar characteristics and interests. Sub-Sector Sub-Sector is derived from a further breakdown based on the characteristics

and interests of its components

Occupation Occupation is a set of job roles, which perform similar/related set of

functions in an industry Job role Job role defines a unique set of functions that together form a unique

employment opportunity in an organization. Occupational Standards (OS)

OS specify the standards of performance an individual must achieve when carrying out a function in the workplace, together with the knowledge and understanding they need to meet the standard consistently. Occupational Standards are applicable both in the Indian contexts.

Performance Criteria Performance Criteria are statements that together specify the standard of performance required when carrying out a task.

Qualifications Pack (QP) Qualifications Pack comprises the set of OS, together with the educational, training and other criteria required to perform a job role. A Qualification Pack is assigned a unique qualification pack code

Qualification Pack Code Qualification Pack Code is a unique reference code that identifies a

qualifications pack. Electives Electives are NOS/set of NOS that are identified by the sector as contributive

to specialization in a job role. There may be multiple electives within a QP for each specialized job role. Trainees must select at least one elective for the successful completion of a QP with Electives.

Options Options are NOS/set of NOS that are identified by the sector as additional skills. There may be multiple options within a QP. It is not mandatory to select any of the options to complete a QP with Options.

National Occupational Standards (NOS)

NOS are Occupational Standards which apply uniquely in the Indian context. Scope Scope is the set of statements specifying the range of variables that an

individual may have to deal with in carrying out the function which have a critical impact on the quality of performance required.

Knowledge and Understanding

Knowledge and Understanding are statements which together specify the

technical, generic, professional and organizational specific knowledge that an individual needs in order to perform to the required standard

Organizational Context Organizational Context includes the way the organization is structured and how it operates, including the extent of operative knowledge managers have of their relevant areas of responsibility.

Technical Knowledge Technical Knowledge is the specific knowledge needed to accomplish specific designated responsibilities.

Core Skills / Generic Skills Core Skills or Generic Skills are a group of skills that are key to learning and working in today’s world. These skills are typically needed in any work environment. In the context of the OS, these include communication related skills that are applicable to most job roles.

Def

init

ion

s


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Keywords /Terms Description

CON Construction

NSQF National Skill Qualifications Framework

QP Qualification Pack

OS Occupational Standards

MIG Metal Inert Gas

TIG Tungsten Inert Gas

SMAW Shielded Metal Arc Welding

TBD To Be Decided

Acr

on

yms

CON/N1206 Carry out grinding activities on structural elements

7

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out grinding activities on structural steel elements


8

Unit Code CON/N1206

Unit Title (Task)

Carry out grinding activities on structural elements

Description This unit describes the skills and knowledge required to carry out grinding activities on structural steel elements

Scope The scope covers the following:

Carry out preparatory works for grinding structural elements(rolled section,

tubular section, plate section and other casting) of thickness ranging from

3.1mm to 100 mm

Grind the structural elements( rolled section, tubular section, plate section

and other casting) of thickness ranging from 3.1mm to 100 mm to required

dimensions as per instruction

Performance Criteria (PC) w.r.t. the Scope

Element Performance Criteria

Carry out preparatory works for grinding structural elements(rolled section, tubular section, plate section and other casting) of thickness ranging from 3.1mm to 100 mm

To be competent, the user / individual on the job must be able to:

PC1. ensure that the grinder is in proper working condition

PC2. check that guard is installed on the machine and is secure and effective

PC3. check and notify any inadequacy like incorrect type of grinder, incorrect

consumable issued etc. in the grinding tool to appropriate authority

PC4. check the accessibility (in between joints, large distance from power source

etc.)of the grinder for the work

PC5. identify the location of surface to be grinded

PC6. clean the metal surface to remove any foreign matter like dust, rust, paint,

oil etc.

PC7. clamp and fix the metal before grinding

PC8. select appropriate consumables as per work requirement

Grind the structural elements(rolled section, tubular section, plate section and other casting) of thickness ranging from 3.1mm to 100 mm to required dimensions as per instruction

PC9. gather and identify information from superiors regarding the dimensions of

Grinding, angle of grinding etc.

PC10. select proper body position so that hand movements are comfortable and

smooth

PC11. move the grinding tool in desired patterns as per work requirements

PC12. provide proper pressure at correct angle as per work requirement to

minimize the waste age of consumables

PC13. grind off defective weld joints to required depth joints

PC14. grind off excessive root reinforcements in welded joint if required

Knowledge and Understanding (K)

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A. Organizational Context

(Knowledge of

the company /

organization and

its processes)

The user/individual on the job needs to know and understand:

KA1. standard procedure for construction grinding works

KA2. safety rules and regulations for identifying structural steel material for

measurement and marking of fit-up positions

KA3. personal protection including use of safety gears and equipment

KA4. safe working methods and movements while performing relevant tasks

KA5. request procedure for tools & materials

KA6. housekeeping & other administrative rules

B. Technical

Knowledge


KB1. different types of grinding machines, their application and specifications

KB2. safety norms while using grinding equipment

KB3. different types of consumables and their specifications

KB4. importance and need of housekeeping

KB5. need for cleaning the surface prior to use

KB6. various operations of the grinding machine

KB7. how to optimism the use of consumable

KB8. importance of comfortable body position in grinding

KB9. various patterns of grinding

KB10. importance of angle of grinding

KB11. pressure implied during grinding and its relation to minimizing wastage

KB12. how to finish welded connections

KB13. different parts of the grinding machine

KB14. different hand and power tools available in market for fabrication activity

KB15. application of commonly used hand and power tools used in fabrication shop

KB16. selection and correct use of different tools and tackles as per the work

requirement

KB17. how to carry out basic maintenance of different hand and power tools

KB18. know the tolerance limits and range of operation for all common hand and

power tools

KB19. ergonomic principles to carry loads

KB20. tools and tackles to be used in basic rigging work

KB21. standard practices regarding heavy material lifting and shifting

Skills (S)

A. Core Skills/

Generic Skills

Writing Skills

The user/ individual on the job needs to know and understand how to:

SA1. write in one or more language, preferably in the local language of the site

Reading Skills


SA2. read one or more language, preferably in the local language of the site

SA3. read instructions, guidelines, sign boards, safety rules & safety tags


10

instruction related to exit routes during emergency at the workplace

Oral Communication (Listening and Speaking skills)


SA4. speak in one or more language, preferably in one of the local language of the

site

SA5. listen and follow instructions / communication shared by superiors/ co-

workers regarding team requirements or interfaces during work processes

SA6. orally communicate with co-workers regarding support required to complete

the respective work

B. Professional

Skills

Decision Making

The user/individual on the job needs to know and understand how to:

SB1. decide the type of grinder to be used and the specifications of the

consumables

SB2. decide the pattern of grinding

Plan and Organize


SB3. check the availability of grinder and plan work accordingly

Customer centricity


SB4. perform work as per agreed time schedule and quality

Problem solving


SB5. report to seniors or appropriate authority in case of any discrepancies in the

issued equipment or grinders

Analytical Thinking


SB6. check the adequacy of the clamps before grinding

SB7. confirm the depth and length of grinding

Critical Thinking


SB8. identify the weld areas with over reinforcement correctly

SB9. correctly identify the defect areas for grinding


11

NOS Version Control

NOS Code CON/N1206

Credits (NSQF) TBD Version number

1.0

Industry Construction Drafted on 07/06/2015

Industry Sub-sector Real Estate and Infrastructure Construction Last reviewed on

25/10/2017

Occupation Fabrication Next review date

25/10/2019

CON/N8001 Work effectively in a team to deliver desired results at the workplace

12

Overview

This NOS covers the skill and knowledge required to work effectively within a team to achieve the

desired results.


13

Unit Code CON/N8001

Unit Title (Task)

Work effectively in a team to deliver desired results at the workplace

Description This unit describes the skills and knowledge required to work effectively within a

team to achieve the desired results.


Interact and communicate effectively with co-workers, superiors and sub-

ordinates across different teams

Support co-workers, superiors and sub-ordinates within the team and across

interfacing teams to ensure effective execution of assigned task



Interact and communicate in effective and conclusive manner


PC1. pass on work related information/ requirement clearly to the team

members

PC2. inform co-workers and superiors about any kind of deviations from work

PC3. address the problems effectively and report if required to immediate

supervisor appropriately

PC4. receive instructions clearly from superiors and respond effectively on the

same

PC5. communicate to team members/subordinates for appropriate work

technique and method

PC6. seek clarification and advice as per the requirement and applicability

Support co-workers to execute project requirements

PC7. hand over the required material, tools tackles, equipment and work fronts

timely to interfacing teams

PC8. work together with co-workers in a synchronized manner



(Knowledge of

the company /

organization and

its processes)


KA1. own roles and responsibilities

KA2. importance of effective communication and establishing strong working

relationships with co-workers

KA3. risks of a failure in teamwork in terms of effects on project outcomes,

timelines, safety at the construction site, etc.

KA4. different modes of communication, and its appropriate usage

KA5. importance of creating healthy and cooperative work environment among

the gangs of workers

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B. Technical

Knowledge


KB1. different activities within his work area where an interaction with other

workers is required

KB2. applicable techniques of work, properties of materials used, tools and tackles

used, safety standards that co- workers might need as per the requirement

KB3. importance of proper and effective communication and the expected

adverse effects in case of failure relating to quality, timelines, safety, risks at

the construction project site

KB4. importance and need of supporting co-workers facing problems for smooth

functioning of work

Skills (S)

A. Core Skills/

Generic Skills

Writing Skills


SA1. write in one or more languages, preferably in the local language of the site

Reading Skills


SA2. read in one or more languages, preferably in the local language of the site

SA3. read communication from team members regarding work completed,

materials used, tools and tackles used, support required



SA4. speak in one or more languages, preferably in one of the local languages of

the site

SA5. listen and follow instructions / communication shared by superiors/ co-

workers regarding team requirements or interfaces during work processes

SA6. orally communicate with co-workers regarding support required to

complete the respective work

B. Professional

Skills

Decision Making


SB1. decide on what information is to be shared with co-workers within the team

or from interfacing gang of workers

Plan and Organise


SB2. plan work and organize required resources in coordination with team

members

Customer centricity


15


SB3. complete all assigned task in coordination with team members

Problem solving


SB4. take initiative in resolving issues among co-workers or report the same to

superiors

Analytical Thinking


SB5. ensure best ways of coordination among team members

SB6. communicate with co-workers considering their educational / social

background

Critical Thinking


SB7. evaluate the complexity of task and determine if any guidance is required

from superiors


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NOS Version Control

NOS Code CON/N8001


1.0



25/10/2017


25/10/2019

CON/N9001 Work according to personal health, safety and environment protocol at construction site

17

Overview

This NOS covers the skill and knowledge required for an individual to work according to personal

health, safety and environmental protocol at construction site.


18

Unit Code CON/N9001

Unit Title (Task)

Work according to personal health, safety and environment protocol at construction site

Description This NOS covers the skill and knowledge required for an individual to work according

to personal health, safety and environmental protocol at construction site


Follow safety norms as defined by organization

Adopt healthy & safe work practices

Implement good housekeeping and environment protection process and

activities



Follow safety norms as defined by organization


PC1. identify and report any hazards, risks or breaches in site safety to the

appropriate authority

PC2. follow emergency and evacuation procedures in case of accidents, fires,

natural calamities

PC3. follow recommended safe practices in handling construction materials,

including chemical and hazardous material whenever applicable

PC4. participate in safety awareness programs like Tool Box Talks, safety

demonstrations, mock drills, conducted at site

PC5. identify near miss , unsafe condition and unsafe act

Adopt healthy & safe work practices

PC6. use appropriate Personal Protective Equipment (PPE) as per work

requirements including:

Head Protection (Helmets)

Ear protection

Fall Protection

Foot Protection

Face and Eye Protection,

Hand and Body Protection

Respiratory Protection (if required)

PC7. handle all required tools, tackles , materials & equipment safely

PC8. follow safe disposal of waste, harmful and hazardous materials as per EHS

guidelines

PC9. install and apply properly all safety equipment as instructed

PC10. follow safety protocol and practices as laid down by site EHS department

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Implement good housekeeping practices

PC11. collect and deposit construction waste into identified containers before

disposal, separate containers that may be needed for disposal of toxic or

hazardous wastes

PC12. apply ergonomic principles wherever required



(Knowledge of

the company /

organization and

its processes)


KA1. reporting procedures in cases of breaches or hazards for site safety,

accidents, and emergency situations as per guidelines

KA2. types of safety hazards at construction sites

KA3. basic ergonomic principles as per applicability

B. Technical

Knowledge


KB1. the procedure for responding to accidents and other emergencies at site

KB2. appropriate personal protective equipment to used based on various

working conditions

KB3. importance of handling tools, equipment and materials as per applicable

KB4. health and environments effect of construction materials as per

applicability

KB5. various environmental protection methods as per applicability

KB6. storage of waste including the following at appropriate location:

non-combustible scrap material and debris

combustible scrap material and debris

general construction waste and trash (non-toxic, non-hazardous)

any other hazardous wastes

any other flammable wastes

KB7. how to use hazardous material, in a safe and appropriate manner as per

applicability

KB8. safety relevant to tools, tackles, & requirement as per applicability

KB9. housekeeping activities relevant to task

Skills (S)

A. Core Skills/

Generic Skills

Writing Skills



SA2. fill safety formats for near miss, unsafe conditions and safety suggestions

Reading Skills


SA3. read in one or more language, preferably in the local language of the site

SA4. read sign boards, notice boards relevant to safety


20



SA5. speak in one or more language, preferably in one of the local language of the

site

SA6. listen instructions / communication shared by site EHS and superiors

regarding site safety, and conducting tool box talk

SA7. communicate reporting of site conditions, hazards, accidents, etc.

B. Professional

Skills

Decision Making


SB1. not create unsafe conditions for others

SB2. keep the workplace clean and tidy

Plan and Organise

SB3. N.A

Customer centricity

SB4. N.A

Problem solving


SB5. identify safety risks that affect the health, safety and environment for self

and others working in the vicinity, tackle it if within limit or report to

appropriate authority

Analytical Thinking


SB6. assess and analyze areas which may affect health, safety and environment

protocol on the site

Critical Thinking


SB7. ensure personal safety behavior

SB8. respond to emergency


21

NOS Version Control

NOS Code CON/N9001


1.0



25/10/2017


25/10/2019

CON/N1253 Carry out preparatory works for MIG welding operations

22

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out preparatory works prior to MIG welding operations.


23

Unit Code CON/N1253

Unit Title (Task)

Carry out preparatory works for MIG welding operations

Description This unit describes the skills and knowledge required to carry out preparatory works prior to MIG welding operations


Work according to standard health and safety requirements

Prepare welding equipment for welding

Prepare base metal of thickness 3.15 mm to 100 mm



Work according to standard health and safety requirements for

To be competent, the user/individual on the job must be able to:

PC1. use and identify proper personal protective equipment such as helmet, nose

mask, ear plug, apron, hand guard, leg guard, safety shoes, boiler etc.

PC2. use appropriate welding masks and clean the welding face shield and

remove damaged glass

PC3. check for any gas leakages prior to striking arc

PC4. check the electrical connections for tightness and termination

PC5. inspect the lighting arrangement for adequacy

PC6. inspect and Clear the work area of any flammable objects like boxes, plastic

etc.

PC7. ensure that subordinates are following safety norms

PC8. attend any and all pep talks and tool box talks organized on site

PC9. participate in all safety drills organized on site

PC10. use appropriate fire safety equipment and procedure in case of fire

PC11. identify and report any other unsafe act or condition to appropriate

authority

Prepare welding equipment for welding

PC12. ensure that the gas cylinders are in upright positions

PC13. inspect electric connections for adequately tight and secure prior to

commencing the work

PC14. ensure that work clamps are adequately secured and in correct polarity (-ve

on welding bed and +ve on electrode)

PC15. ensure that contact tip, tip holder, diffuser and nozzle are in order

PC16. make initial adjustments of electrode consumption rate and voltage as per

requirement

PC17. ensure that proper lighting and ventilation arrangement is available at

workplace

PC18. inspect that the gas valves are properly functioning and adjust the same as

per instructions

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PC19. ensure that electrodes are compatible with base metal requirement

PC20. check the electrodes comply with weld requirements


PC21. clean the surface to be welded before starting the welding operations

PC22. check that adequate root gap is available

PC23. check the bevel angle visually

PC24. make sure that surface is smooth and free of irregularities

PC25. remove any oxides, dust or foreign particles from the surface

PC26. ensure that the surface is not painted or galvanized

PC27. ensure that the element is properly anchored to restrict distortion



(Knowledge of

the company /

organization and

its processes)


KA1. standard procedures for MIG welding

KA2. safety rules and regulations for handling and storing relevant tools and

equipment and materials for MIG welding works

KA3. personal protection including the use of the related safety gears and

equipment

KA4. precautions and measures required in the lifting and movement of

heavy components and materials

KA5. service request procedures for tools, materials and equipments

KA6. statutory compliance requirements related to working at height

B. Technical

Knowledge


KB1. how to read and interpret fabrication drawings

KB2. how to read and interpret fabrication symbols

KB3. correct handling and storage of gas cylinders for welding purposes

KB4. Select recommended welding filter shade glass

KB5. the effects of polarity of setup

KB6. power ratings of welding equipment

KB7. relationship between wire feed, speed control and voltage

KB8. the gas regulation, rate of flow of shielding gas and its effects

KB9. components of welding gun, equipment and their functions

KB10. effects of welding fumes

KB11. fire protection and prevention methods, equipments and their use

KB12. use of welding mask

KB13. consumable specification, types and use

KB14. Specifications of welding electrodes

KB15. Properties of different types of shield gases and their application, selection

of gas flow rate and mode of metal transfer effects of unclean surface on

welds

KB16. preparation of weld joints

KB17. understand the safety evacuation plan for concerned relevance


25

KB18. various hazards involved in welding

KB19. different types of personnel protective equipments and their application

KB20. importance of proper lighting and ventilation

KB21. different occupational disease, their causes and remedies

KB22. how to check the electrical connections

KB23. how to detect gas leakage

Skills (S)

A. Core Skills/

Generic Skills Writing Skills



and basic English

SA2. provide clear and simple instructions, details & sketches to sub-ordinate

Reading Skills


SA3. read one or more language, preferably in the local language of the site and

basic English

SA4. read sketches, drawing or instructions provided for the welding work

SA5. read various, sign boards, safety rules and safety tags , instructions related to

exit routes during emergency at the workplace



SA6. speak one or more language, preferably in the local language of the site

SA7. speak and convey about various, sign boards, safety rules and safety tags ,

instructions related toexit routes during emergency at the workplace

B. Professional

Skills

Decision Making


SB1. decide if the welding tip and welding cup are in order and as per

requirement

SB2. decide the initial adjustments of the welding equipment keeping in view the

job requirement

Plan and Organise


SB3. plan work activities for self and request for appropriate tools and

consumables accordingly

Customer centricity


26



Problem solving


SB5. consult with seniors and obtain necessary approvals regarding issues related

to welding equipment, consumables, housekeeping etc.

Analytical Thinking


SB6. correlate the sequence of welding works with respect to other

proceeding activity

SB7. analyze actions of self that may result in wastage of materials and

consumables so as to optimize their use

SB8. identify and assess actions of self that can cause unsafe conditions

SB9. check compatibility of electrodes with base metal requirements

Critical Thinking


SB10. check the polarity of the equipment and confirm as per work requirement

SB11. adjust the initial consumption rate of electrode and voltage as per

requirement


27

NOS Version Control

NOS Code CON/N1253


1.0



25/10/2017


25/10/2019

CON/N1254 Carry out MIG welding as per requirement in fabrication workshop or construction site

28

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out MIG welding as per requirement in fabrication workshop or construction site.


29

Unit Code CON/N1254

Unit Title (Task)

Carry out MIG welding as per requirement in fabrication workshop or construction site

Description This unit describes the skills and knowledge required to carry out MIG welding on structural elements (rolled section, tubular section, plate section and other casting ) of materials ( carbon steel, stainless steel ,alloy steel,alumunium and other metals) of thickness ranging from (3.15mm to 100mm) as per requirement in fabrication workshop or construction site for structures of height up to 100 meters and also in confined spaces


Carry out welding operation in 1G, 1F, 2G, 2F, 3G, 3F positions for structural

elements of thickness 3.15 mm to 100 mm as per national and international

standards

Carry out visual inspection during and post welding



Carry out welding operation in 1G, 1F, 2G, 2F, 3G, 3F positions for structural elements of thickness 3.15 mm to 100 mm as per national and international standards


PC1. interpret weld requirements from fabrication drawings

PC2. confirm the weld specifications if required from superiors

PC3. understand the weld requirements like position of weld, type of joint,

number of passed required, etc.

PC4. estimate the number or length of filler material required to complete the

weld

PC5. pre heat the base material before welding if required

PC6. maintain correct body posture as per requirement of weld

PC7. adjust the wire stick out and regulate the gas flow rate accordingly

PC8. use appropriate patterns of welding as per position and type of joints

PC9. hold the welding gun at proper angle as per requirement

PC10. make required number of passes

PC11. make steady passes of weld to ensure proper heat generation and

penetration

PC12. make adjustments in welding machine if required

PC13. disconnect the equipment correctly and store the same as per manufacture

guidelines and site safety parameters

PC14. clean the welded joint


PC15. ensure proper penetration of weld

PC16. ensure that the weld is properly shielded by shielding gas

PC17. ensure proper heat input through arc

PC18. reduce the spatter spray during the welding

PC19. check the root pass for cracks

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PC20. visually check for spatters, craters, undercuts

PC21. visually check the welded joint for cracks



(Knowledge of

the company /

organization and

its processes)


KA1. standard procedures for MIG welding work


equipment and materials for welding works


equipment





B. Technical

Knowledge







KB6. fire protection and prevention methods, equipment and their use



KB9. different types of shielding gases and their uses in different conditions

KB10. effects of unclean surface on welds

KB11. types of welded joints

KB12. positions of welding

KB13. patterns of welding and their application

KB14. defects in welding


Skills (S)

A. Core Skills/




and basic English


Reading Skills




31

basic English


SA5. read various, sign boards, safety rules and safety tags , instructions related to

exit routes during emergency at the workplace



SA6. speak one or more language, preferably the local language at the site

SA7. orally and effectively communicate about sketches, drawing or instructions

provided for the welding work


instructions related to exit routes during emergency at the workplace

B. Professional

Skills

Decision Making


SB1. determine appropriate pattern of welding based on position and type of

joints

SB2. decide and confirm the welding parameters and adjust the same to suit the

work requirements

SB3. decide if the metal requires initial pre heating or not

SB4. decide upon the proper body position to suite the work conditions

Plan and Organise


SB5. plan work & organize required resource in coordination with team members

and superior

Customer centricity



Problem solving


SB7. avoid defects in welding by adjusting the welding parameters to suit the

work requirement

Analytical Thinking


SB8. correlate the sequence of welding works with respect to other proceeding

activity



32



Critical Thinking


SB11. evaluate the complexity of the task and seek assistance and support

wherever required

SB12. identify violation of any safety norms by subordinates and coworkers which

may lead to accidents

SB13. monitor the speed of welding to ensure that a proper and smooth welding is

obtained


33

NOS Version Control

NOS Code CON/N1254


1.0



25/10/2017


25/10/2019

CON/N1255 Carry out preparatory works for TIG welding operations

34

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out preparatory works prior to TIG welding operations.


35

Unit Code CON/N1255

Unit Title (Task)

Carry out preparatory works for TIG welding operations

Description This unit describes the skills and knowledge required to carry out preparatory works prior to TIG welding operations



Prepare the TIG welding equipment and consumables for welding process


Interpret and understand weld requirements and specifications





PC28. use and identify proper personal protective equipment such as hand gloves,

nose mask, ear plugs, head protection, safety harness etc.

PC29. use appropriate welding masks

PC30. check for any gas leakages prior to striking arc



PC33. inspect and clear the work area of any flammable objects like boxes, plastic

etc.


PC35. attend any and all prep talks and tool box talks organized on site




authority

Prepare the TIG welding equipment and consumables for welding process

PC39. keep the shielding gas cylinders in upright position only

PC40. ensure that shielding gas is purely inert e. g Argon

PC41. check the pipes, valves/ regulator and flow meter is securely connected

PC42. taper the tungsten rod and sharpen the point of the electrode for better arc

stability. The electrode should be grinded parallel to length

PC43. clean the electrode prior to use to remove any foreign matter

PC44. adjust the tungsten stick out as per requirement based upon type of joint,

base metal properties etc.

PC45. stack required number of filler rods\ electrodes as per instructions

PC46. clean the filler rod to remove any foreign particles in order to avoid weld

contamination

PC47. ensure that filler material are compatible with base metal and as per weld

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36

specifications

PC48. ensure that work clamps are adequately secured and in correct polarity (+ ve

on welding bed and -ve on electrode)

PC49. ensure that electrical connections are tight, secure and compatible with the

equipment

Preparation of base metal of thickness 3.15 mm to 100 mm







PC56. ensure that the joint is properly secured against any movement

Interpret and understand weld requirements and specifications

PC57. identify the joints to be welded, their location and position of welding

PC58. extract the weld specifications like type of joint, throat for fillet, number of

passes required, specifications of filler rod, required heat input, preheat

temperature etc. form relevant charts and drawings


weld


C. Organizational Context

(Knowledge of

the company /

organization and

its processes)


KA7. standard procedures for TIG welding


equipment and materials for TIG welding works


equipment

KA10. precautions and measures required in the lifting and movement of heavy

components and materials



D. Technical

Knowledge




KB26. correct handling and storage of gas cylinders for welding purposes

KB27. the effects of polarity of setup

KB28. power ratings of welding equipment

KB29. relationship between wire feed, speed control and voltage






37



KB36. selection of consumables for different purposes





KB41. pattern of welding and their application

KB42. safety evacuation plan for concerned relevance

KB43. various hazards involved in welding

KB44. different types of personnel protective equipment and their application

KB45. importance of proper lighting and ventilation

KB46. different occupational disease, their causes and remedies

KB47. how to check the electrical connections

KB48. how to detect gas leakage

Skills (S)

C. Core Skills/




and basic English


Reading Skills



basic English


SA5. read various, sign boards, safety rules and safety tags , instructions related

to exit routes during emergency at the workplace








Decision Making


38

D. Professional

Skills



joints


Plan and Organise



and superior

Customer centricity



Problem solving


SB5. check the working of the welding equipment and identify any defects or

malfunction and report the same to appropriate authority

SB6. ensure that all foreign matter has been removed from electrodes

Analytical Thinking


SB7. assess and adjust the initial consumption rate of electrode and voltage as

per requirement




SB10. ensure that the position of working clamps is as per the requirements

Critical Thinking



wherever required

SB12. check for compatibility of filler material with base metal


39

NOS Version Control

NOS Code CON/N1255


1.0



25/10/2017


25/10/2019

CON/N1256 Carry out tungsten inert gas welding as per requirement in fabrication workshop or

construction site

40

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out tungsten inert gas welding as per requirement in fabrication workshop or construction site


construction site

41

Unit Code CON/N1256

Unit Title (Task)

Carry out tungsten inert gas welding as per requirement in fabrication workshop or construction site

Description This unit describes the skills and knowledge required to carry out tungsten Inert gas welding on structural elements (rolled section, tubular section, plate section and other casting) of materials (carbon steel, stainless steel, alloy steel, aluminum and other metals) of thickness ranging from (3.15mm to 100mm) as per requirement in fabrication workshop or construction site for structures of height up to 100 meter and also in confined spaces.


Carry out welding operation in 1G, 1F, 2G, 2F, 3G,3F positions for structural

elements of thickness 3.15 mm to 100 mm as per national and international

standards




Carry out welding operation in 1G, 1F, 2G, 2F, 3G,3F positions for structural elements of thickness 3.15 mm to 100 mm as per national and international standards


PC1. ignite the arc by superimposing the high frequency over high voltage

PC2. avoid touching the tungsten rod to the base metal

PC3. ensure that the filler rod is always inside the shielding gas cover to avoid

contamination during welding operation


smooth

PC5. position head such that weld is clearly visible

PC6. ensure that weld location is properly illuminated and ventilated


PC8. hold the welding gun at proper angle as per requirement (70-80 ⁰ from base

plate)

PC9. ensure that the Arc length is not too large and is as per heat requirement

PC10. adjust the travel speed of weld to ensure proper penetration

PC11. make required number of weld passes


penetration

PC13. make required adjustments in welding machine



PC15. clean the welded joint


PC16. ensure proper penetration of weld

PC17. ensure that the weld is properly shielded by shielding gas

PC18. ensure proper heat input through arc

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construction site

42

PC19. reduce the spatter spray during the welding

PC20. check the root pass for cracks

PC21. visually check for spatters, craters, undercuts

PC22. visually check the welded joint for cracks


C. Organizational Context

(Knowledge of

the company /

organization and

its processes)


KA7. standard procedures for TIG welding work




equipment





D. Technical

Knowledge








KB22. hazards of welding





KB27. types of welded joints


KB29. patterns of welding and their application

KB30. defects in welding


KB32. process of welding

KB33. physical and chemical changes occurring during welding

KB34. behavior of metal upon heating, plasticity curve etc.

Skills (S)

Writing Skills



construction site

43

C. Core Skills/

Generic Skills


and basic English


Reading Skills



basic English











D. Professional

Skills

Decision Making



joints

SB2. decide and confirm the welding parameters and adjust the same to suit the

work requirements


SB4. decide upon the proper body position to suit the work conditions

Plan and Organise



and superior

Customer centricity



Problem solving


construction site

44


SB7. avoid defects in welding by adjusting the welding parameters to suit the

work requirement

Analytical Thinking


SB8. correlate the sequence of welding works with respect to other proceeding

activity




Critical Thinking



wherever required

SB12. identify violation of any safety norms by subordinates and coworkers which

may lead to accidents

SB13. monitor the speed of welding to ensure that a proper and smooth welding is

obtained


construction site

45

NOS Version Control

NOS Code CON/N1256


1.0



25/10/2017


25/10/2019

CON/N1257 Carry out preparatory work for shielded metal arc welding operations

46

Overview This NOS covers the skills and knowledge required by a workman to be proficient in carrying out preparatory work for shielded metal arc welding operations.


47

Unit Code CON/N1257

Unit Title (Task)

Carry out preparatory work for shielded metal arc welding operations

Description This unit describes the skills and knowledge required to carry out preparatory work for performing shielded metal arc welding operations



Conduct preparatory works for setting up the welding kit and prepare the

base metal of thickness 3.15 mm to 100 mm





PC1. use and identify proper personal protective equipment such as hand gloves,

nose mask, ear plugs, head protection, safety harness, etc.

PC2. use appropriate welding masks



PC5. inspect and Clear the work area of any flammable objects like boxes, plastic,

etc.


PC7. attend any and all perp talks and tool box talks organized on site


PC9. use appropriate fire safety equipments and procedure in case of fire


authority

Conduct preparatory works for setting up the welding kit and prepare the base metal of thickness

3.15 mm to 100 mm

PC11. inspect electric collections to be adequately tight and secure prior to

commencing the work

PC12. attach the work clamps to the base metal

PC13. select the polarity depending upon the thickness of material and other

parameters of work requirement

PC14. store the electrodes correctly as per manufactures guidelines






PC20. ensure that the temperature at joint is as per specifications



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48


PC24. extract the weld specifications like type of joint, throat for fillet, number of

passes required, specifications of filler rod, required heat input, preheat

temperature, type of welding process, type of weld , required consumables,

required welding process parameters, base metal, joint design, type of edge

preparation welding position, backing, preheat temp, post weld heat

treatment, welding techniques etc. form relevant charts and drawings


weld


E. Organizational Context

(Knowledge of

the company /

organization and

its processes)


KA13. standard procedures for welding works




equipment





F. Technical

Knowledge


KB1. welding terminologies like arc, flux, slag, etc.

KB2. different types of sections, plates, etc.

KB3. different materials used in fabrication

KB4. different welding parameters

KB5. correct calibration of welding kit and various adjustments in the same

KB6. importance of cleaning the surface of the material prior to welding

KB7. check the prepared edges against the specifications

KB8. importance of proper joint finishing

KB9. reading and interpreting fabrication shop drawings, Welding symbol, weld

nomenclature, weld joint and welding position. interpretation of fabrication

drawing.

KB10. understand welding procedure specification ( WPS)

KB11. reading and interpreting various welding specifications from charts and

tables

KB12. Selection and handling of electrodes

KB13. basics of SMAW process

KB14. effect of polarity on welding

Skills (S)


49

E. Core Skills/




and basic English


Reading Skills



SA4. read /sketches/routine working drawing or instructions provided for work







provided for the required work



F. Professional

Skills

Decision Making


SB1. decide if the metal requires initial pre heating

SB2. decide whether surface is ready for welding and has been properly

cleaned of oxides, scrapes etc.

SB3. decide if the anchorage provided is proper or not

Plan and Organize


SB4. plan work and organize required resource in coordination with team

member and superior

Customer centricity



Problem solving


SB6. confirm the weld specifications and requirements if required from

appropriate


50

authority

Analytical Thinking


SB7. select polarity depending on thickness of material and other requirements

SB8. check the compliance of fittup with weld requirement

SB9. analyze the actions of self that may result in wastage of material and


SB10. identify and assess the actions of self that may cause unsafe conditions

Critical Thinking


SB11. evaluate the complexity of the tasks to and seek assistance and support

wherever required from the superior

SB12. confirm and recheck the weld equipments and consumables and their

compatibility with weld requirements and specifications and their


51

NOS Version Control

NOS Code CON/N1257


1.0



25/10/2017


25/10/2019

CON/N1258 Carry out shielded metal arc welding as per requirement in fabrication workshop or

construction site

52

Overview

This NOS covers the skills and knowledge required by a workman to be proficient in carrying out shielded metal arc welding as per requirement in fabrication workshop or construction site


construction site

53

Unit Code CON/N1258

Unit Title (Task)

Carry out shielded metal arc welding as per requirement in fabrication workshop or construction site

Description This unit describes the skills and knowledge required to carry out shielded metal arc welding on structural elements (rolled section, tubular section, plate section and other casting) of materials (carbon steel, stainless steel, alloy steel, alumunium and other metals) of thickness ranging from (3.15mm to 100mm) as per requirement in fabrication workshop or construction site for structures of height up to 100 meters and also in confined spaces.


Carry out shielded metal arc welding operation in in 1G, 1F, 2G, 2F, 3G, 3F

positions for structural elements of thickness 3.15 mm to 100 mm as per

national and international standards




Carry out shielded metal arc welding operation in 1G, 1F, 2G, 2F, 3G, 3F positions for structural elements of thickness 3.15 mm to 100 mm as per national and international standards


PC1. ignite the arc by striking the electrode on the base metal like a match


smooth

PC3. position head such that weld is clearly visible



PC6. push or drag the arc as per requirement



PC9. make required number of weld passes


penetration

PC11. clean the weld after each pass to scrap out the slag formed on the surface of

weld

PC12. make required adjustments in welding machine



PC14. efficiently dispose of the stubs of electrode left after completing the welding

PC15. clean the welded joint by removing slag formed during the welding process

Carry out visual

inspection during

and post welding

PC16. ensure proper penetration of weld PC17. ensure that the weld is properly shielded throughout the operation PC18. ensure proper heat input through arc PC19. reduce the spatter spray during the welding

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54

PC20. check the root pass for cracks, porosity, slag inclusion, incomplete

penetration, root concavity, incomplete fusion, undercut etc.

PC21. visually check for spatters, craters, undercuts PC22. visually check the welded joint for cracks


E. Organizational Context

(Knowledge of

the company /

organization and

its processes)


KA1. standard procedures for welding work




equipment





F. Technical

Knowledge


KB1. how to read and interpret fabrication shop drawings

KB2. how to read and interpret various welding specifications from charts and

tables

KB3. different welding parameters

KB4. correct calibration of welding kit and various adjustments in the same

KB5. importance of cleaning the surface of the material prior to welding

KB6. importance of proper joint finishing

KB7. basics of SMAW process to be carried out

KB8. effect of polarity on welding

KB9. importance of preheating and post heating

KB10. selection of electrodes, as per requirements

KB11. importance of light, ventilation and proper body posture

KB12. different patterns of welding

KB13. assembling and disconnecting the welding kit

KB14. how and why the slag should be removed

KB15. parameters for checking the correctness of weld

KB16. welding terminologies like arc, flux, slag, etc.

KB17. relation of arc length with heat transfer

KB18. effect of atmospheric agents on welding

Skills (S)

Writing Skills


construction site

55

E. Core Skills/

Generic Skills The user/ individual on the job needs to know and understand how to:


and basic English


Reading Skills



SA4. read /sketches/routine working drawing or instructions provided for work







provided for the required work



F. Professional

Skills Decision Making


SB1. decide the position of body to best suit the welding position

SB2. decide on the polarity depending on the thickness of metal and other work

requirements

Plan and Organize


SB3. plan work and organize required resource in coordination with team

member and superior

Customer centricity



Problem solving


SB5. avoid defects in weld by making required adjustments in the welding machine

and travel speed

Analytical Thinking



construction site

56

SB6. correlate the sequence of painting works with respect to other

proceeding activity of other trade

SB13. analyze the actions of self that may result in wastage of material and


SB7. identify and assess the actions of self that may cause unsafe conditions

SB8. assess and determine appropriate arc length based on heat requirements

Critical Thinking


SB9. evaluate the complexity of the tasks to and seek assistance and support

wherever required from the superior

SB10. analyze the causes of defects of weld and avoid repetition of same


construction site

57

NOS Version Control

NOS Code CON/N1258


1.0



25/10/2017


25/10/2019

Assessment Criteria for Construction Welder

58

Annexure

Nomenclature for QP and NOS

Qualifications Pack

[ABC]/ Q 0101

Occupational Standard An example of NOS with ‘N’

[ABC] / N 0101

Q denoting Qualifications Pack Occupation (2 numbers)

QP number (2 numbers)

9 characters

N denoting National Occupational Standard Occuptaion (2 numbers)

OS number (2 numbers)

9 characters

Back to top…

[Insert 3 letter code for SSC- CON]

[Insert 3 letter code for SSC- CON]


59

The following acronyms/codes have been used in the nomenclature above:

Sub-sector Range of Occupation numbers

Real Estate and Infrastructure 1-35

Rural Infrastructure Construction 36-50

Scope for new Sub-Sectors 51-99

Sequence Description Example

Three letters Construction Skill Development

Council of India

CON

Slash / /

Next letter Whether QP or NOS Q

Next two numbers Occupation code 12

Next two numbers OS number 01


60

CRITERIA FOR ASSESSMENT OF TRAINEES

Job Role Construction Welder MIG/TIG/SMAW

Qualification Pack CON/Q1252

Sector Skill Council Construction

Compulsory NOS Total Mark : 300

Marks Allocation

Assessment outcomes

Assessment Criteria for outcomes Total Mark

Out Of Theory Skills Practical

CON/N1206: Carry out grinding activities on structural steel elements

PC1. ensure that the grinder is in proper working condition

100

8 2 6

PC2. check that guard is installed on the machine and is secure and effective.

6 2 4

PC3. check and notify any inadequacy like incorrect type of grinder, incorrect consumable issued etc. in the grinding tool to appropriate authority

8 2 6

PC4. check the accessibility (in between joints, large distance from power source etc.)of the grinder for the work

8 2 6

PC5. identify the location of surface to be grinded. 8 2 6

Guidelines for Assessment 1. Criteria for assessment for each Qualification Pack will be created by the Sector Skill Council. Each

Performance Criteria (PC) will be assigned marks proportional to its importance in NOS. SSC will also lay down

proportion of marks for Theory and Skills Practical for each PC.

2. The assessment for the knowledge part will be based on knowledge bank of questions created by Assessment

Bodies subject to approval by SSC

3. Individual assessment agencies will create unique question papers for knowledge/theory part for assessment

of candidates as per assessment criteria given below

4. Individual assessment agencies will create unique evaluations for skill practical for every student at each

examination/training center based on assessment criteria.

5. The passing percentage for each QP will be 70%. To pass the Qualification Pack, every trainee should score a

minimum of 70% individually in each NOS.

6. The Assessor shall check the final outcome of the practices while evaluating the steps performed to achieve

the final outcome.

7. The trainee shall be provided with a chance to repeat the test to correct his procedures in case of improper

performance, with a deduction of marks for each iteration.

8. After the certain number of iteration as decided by SSC the trainee is marked as fail, scoring zero marks for

the procedure for the practical activity.

9. In case of successfully passing only certain number of NOS's, the trainee is eligible to take subsequent

assessment on the balance NOS's to pass the Qualification Pack within the specified timeframe set by SSC.

10. Minimum duration of Assessment of each QP shall be of 4hrs/trainee.


61

PC6. clean the metal surface to remove any foreign matter like dust, rust, paint, oil etc.

6 2 4

PC7. clamp and fix the metal before grinding 8 2 6

PC8. select appropriate consumables as per work 8 2 6

PC9. gather and identify information from superiors regarding the dimensions of grinding, angle of grinding etc. 8

2

6 PC10. select proper body position so that hand movements

are comfortable and smooth

PC11. move the grinding tool in desired patterns as per work requirements

8 2 6

PC12. provide proper pressure at correct angle as per work requirement to minimize the waste age of consumables

8 2 6

PC13. grind off defective weld joints to required depth joints

8 2 6

PC14. grind off excessive root reinforcements in welded joint if required.

8 2 6

Total 100 30 70

CON/N8001: Work effectively in a team to deliver desired results at the workplace

PC1. pass on work related information/ requirement clearly to the team members

100

7 2 5

PC2. inform co-workers and superiors about any kind of deviations from work

7 2 5

PC3. address the problems effectively and report if required to immediate supervisor appropriately

10 3 7

PC4. receive instructions clearly from superiors and respond effectively on same

7 2 5

PC5. communicate to team members/subordinates for appropriate work technique and method

10 3 7

PC6. seek clarification and advice as per requirement and applicability

7 2 5

PC7. hand over the required material, tools tackles, equipment and work fronts timely to interfacing teams

27 8 19

PC8. work together with co-workers in a synchronized manner

27 8 19

Total 100 30 70

CON/N9001: Work according to personal health, safety and environment protocol at construction site

PC1. identify and report any hazards, risks or breaches in site safety to the appropriate authority

100

7 2 5

PC2. follow emergency and evacuation procedures in case of accidents, fires, natural calamities

7 2 5

PC3. follow recommended safe practices in handling construction materials, including chemical and hazardous material whenever applicable

10 3 7

PC4. participate in safety awareness programs like Tool Box Talks, safety demonstrations, mock drills, conducted at site

7 2 5

PC5. identify near miss , unsafe condition and unsafe act 7 2 5


62

PC6. use appropriate Personal Protective Equipment (PPE) as per work requirements including: • Head Protection (Helmets) • Ear protection • Fall Protection • Foot Protection • Face and Eye Protection • Hand and Body Protection • Respiratory Protection (if required)

10 3 7

PC7. handle all required tools, tackles , materials & equipment safely

7 2 5

PC8. follow safe disposal of waste, harmful and hazardous materials as per EHS guidelines

7 2 5

PC9. install and apply properly all safety equipment as instructed

13 4 9

PC10. follow safety protocol and practices as laid down by site EHS department

13 4 9

PC11. collect and deposit construction waste into identified containers before disposal, separate containers that may be needed for disposal of toxic or hazardous wastes

7 2 5

PC12. apply ergonomic principles wherever required 7 2 5

Total 100 30 70


63

ELECTIVES

Elective 1: Construction Welder MIG

Total Marks: 200 Marks Allocation

Assessment outcomes


Out Of Theory

Skills Practical

CON/1253: Carry out preparatory works for MIG welding operations

PC1. use and identify proper personal protective equipment such as hand gloves, nose mask, ear plugs, head protection, safety harness etc.

100 3 1 2

PC2. use appropriate welding masks 3 1 2

PC3. check for any gas leakages prior to striking arc 3 1 2


3 1 2

PC5. inspect the lighting arrangement for adequacy 4 1 3

PC6. inspect and Clear the work area of any flammable objects like boxes, plastic etc. 4 1 3

PC7. ensure that subordinates are following safety norms 4 1 3


4 1 3


4 1 3



PC12. ensure that the gas cylinders are in upright positions 4 1 3

PC13. inspect electric collections for adequately tight and secure prior to commencing the work

4 1 3

PC14. ensure that work clamps are adequately secured and in correct polarity (-ve on welding bed and +ve on electrode)

4 1 3

PC15. ensure that welding tip and welding cup are in order 4 1 3

PC16. make initial adjustments of electrode consumption rate and voltage as per requirement. 4 1 3

PC17. ensure proper lighting 4 1 3

PC18. inspect that the gas valves are properly functioning and adjust the same as per instructions

4 1 3

PC19. ensure that electrodes are compatible with base metal requirement ventilation arrangement is available

4 1 3

PC20. check the electrodes comply with weld requirements 4 1 3


4 1 3

PC22. check that adequate root gap is available 4 1 3

PC23. check the bevel angle visually 4 1 3


4 1 3


64


4 1 3

PC26. ensure that the surface is not painted or galvanized 4 1 3

Total 100 30 70

CON/N1254: Carry out MIG welding as per requirement in fabrication workshop or construction site

PC1. interpret weld requirements from fabrication drawings

100

2 1 1

PC2. confirm the weld specifications if required from superiors

3 1 2

PC3. understand the weld requirements like position of weld, type of joint, number of passed required etc.

5 2 4

PC4. estimate the number or length of filler material required to complete the weld

5 2 4

PC5. pre heat the base material before welding if required 5 2 4

PC6. maintain correct body posture as per requirement of weld 5 2 4

PC7. adjust the wire stick out and regulate the gas flow rate accordingly 5 2 4


5 2 4

PC9. hold the welding gun at proper angle as per requirement 5 2 4

PC10. make required number of passes 5 2 4

PC11. make steady passes of weld to ensure proper heat generation and penetration 5 2 4

PC12. make adjustments in welding machine if required 5 2 4

PC13. disconnect the equipment correctly and store the same as per manufacture guidelines and site safety parameters

5 2 4

PC14. clean the welded joint 5 2 4

PC15. ensure proper penetration of weld 5 2 4

PC16. ensure that the weld is properly shielded by shielding gas 5 2 4

PC17. ensure proper heat input through arc 5 2 4

PC18. reduce the spatter spray during the welding 5 2 4

PC19. check the root pass for cracks 5 2 4

PC20. visually check for spatters, craters, undercuts 5 2 4

PC21. visually check the welded joint for cracks 5 2 4

Total 100 30 70


65

ELECTIVES

Elective 2: Construction Welder TIG


Assessment outcomes


Out Of Theory

Skills Practical

CON/1255: Carry out preparatory works for TIG welding operations


100

3 1 2




3 1 2

PC5. inspect the lighting arrangement for adequacy 3 1 2

PC6. inspect and clear the work area of any flammable objects like boxes, plastic etc. 3 1 2

PC7. ensure that subordinates are following safety norms 3 1 2


3 1 2

PC9. Participate in all safety drills organized on site 3 1 2


3 1 2

PC11. identify and report any other unsafe act or condition to appropriate authority

3 1 2

PC12. keep the shielding gas cylinders in upright position only 3 1 2

PC13. ensure that shielding gas is purely inert e. g argon 3 1 2

PC14. check the pipes, valves/ regulator and flow meter is securely connected

3 1 2

PC15. taper the tungsten rod and sharpen the point of the electrode for better arc stability. The electrode should be grinded parallel to length

4 1 3

PC16. clean the electrode prior to use to remove any foreign matter

3 1 2

P17. adjust the tungsten stick out as per requirement based upon type of joint, base metal properties etc. 4 1 3

PC18. stack required number of filler rods\ electrodes as per instructions 3 1 2

PC19. clean the filler rod to remove any foreign particles in order to avoid weld contamination 3 1 2

PC20. ensure that filler material are compatible with base metal and as per weld specifications

3 1 2

PC21. ensure that work clamps are adequately secured and in correct polarity (+ ve on welding bed and -ve on electrode)

4 1 3

PC22. ensure that electrical connections are tight, secure and compatible with the equipment

3 1 2


3 1 2


66




3 1 2


3 1 2



3 1 2


3 1 2

PC31. extract the weld specifications like type of joint, throat for fillet, number of passes required, specifications of filler rod, required heat input, preheat temperature etc. form relevant charts and drawings

4 1 3


3 1 2

Total 100 30 70

CON/N1256: Carry out tungsten inert gas welding as per requirement in fabrication workshop or construction site

PC1. ignite the arc by superimposing the high frequency over high voltage

100

4 1 3

PC2. avoid touching the tungsten rod to the base metal 4 1 3

PC3. ensure that the filler rod is always inside the sheilding gas cover to avoid contamination during welding operation

5 2 4

PC4. select proper body position so that hand movements are comfortable and smooth

4 1 3

PC5. position head such that weld is clearly visible 4 1 3

PC6. ensure that weld location is properly illuminated and ventilated 4 1 3


5 2 4

PC8. hold the welding gun at proper angle as per requirement(70-80 ⁰ from base plate) 5 2 4

PC9. ensure that the arc length is not too large and is as per heat requirement 5 2 4

PC10. adjust the travel speed of weld to ensure proper penetration 5 2 4

PC11. make required number of passes 4 1 3

PC12. make steady passes of weld to ensure proper heat generation and penetration 5 2 4

PC13.make required adjustments in welding machine 5 2 4


5 2 4

PC15. clean the welded joint 4 1 3


PC17. ensure that the weld is properly shielded by shielding gas 5 2 4


67






Total 100 30 70


68

ELECTIVES

Elective 3: Construction Welder SMAW


Assessment outcomes


Out Of Theory

Skills Practical

CON1257: Carry out preparatory works for Shielded metal Arc welding operations

PC1. Use and identify proper personal protective equipment such as hand gloves, nose mask, ear plugs, head protection, safety harness etc.

100

4 1 3

PC2. Use appropriate welding masks 4 1 3

PC3. Check the electrical connections for tightness and termination

4 1 3

PC4. Inspect the lighting arrangement for adequacy 4 1 3

PC5. Inspect and Clear the work area of any flammable objects like boxes, plastic etc.

4 1 3

PC6. Ensure that subordinates are following safety norms 4 1 3

PC7. Attend any and all perp talks and tool box talks organized on site

4 1 3

PC8. Participate in all safety drills organized on site 4 1 3

PC9. Use appropriate fire safety equipments and procedure in case of fire

4 1 3

PC10. Identify and report any other unsafe act or condition to appropriate authority

4 1 3

PC11. inspect electric collection to be adequately tight and secure prior to commencing the work

4 1 3

PC12. attach the work clamps to the base metal 4 1 3

PC13. select the polarity depending upon the thickness of material and other parameters of work requirement

4 1 3

PC14. store the electrodes correctly as per manufactures guidelines

4 1 3


4 1 3




4 1 3


4 1 3

PC20. ensure that the temperature at joint is as per specifications

4 1 3



4 1 3


4 1 3

PC24. extract the weld specifications like type of joint, throat for fillet, number of passes required, specifications of filler rod, required heat input, preheat temperature etc. form relevant charts and drawings

4 1 3


4 1 3

Total Marks Total 100 25 75

CON/N1258: Carry out

PC1. ignite the arc by striking the electrode on the base metal like a match

100 3 1 2


69

shielded metal arc welding as per requirement in fabrication workshop or construction site

PC2. select proper body position so that hand movements are comfortable and smooth

5 2 4

PC3. position head such that weld is clearly visible 3 1 2


5 2 4


5 2 4

PC6. push or drag the arc as per requirement 5 2 4


5 2 4


5 2 4

PC9. make required number of weld passes 5 2 4

PC10. make steady passes of weld to ensure proper heat generation and penetration

5 2 4

PC11. clean the weld after each pass to scrap out the slag formed on the surface of weld

5 2 4

PC12. make required adjustments in welding machine 5 2 4


5 2 4

PC14. efficiently dispose of the stubs of electrode left after completing the welding

3 1 2

PC15. clean the welded joint by removing slag formed during the welding process

5 2 4


PC17. ensure that the weld is properly shielded throughout the operation

5 2 4






Total Marks Total 100 30 70

ontents - CSDC India · 5. Annexure: Nomenclature for QP & OS.. P58 ... Carry out shielded metal...

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Transcript of ontents - CSDC India · 5. Annexure: Nomenclature for QP & OS.. P58 ... Carry out shielded metal...