Quality Assurance and Safety plan

DALAPATHI CONSTRUCTIONSAn ISO 9001-2000 Company

Client Name

QUALITY ASSURANCE PLAN

Project

ITEM : Civil Work

QP NO. :

Package –

REV. NO.:

Contract No

Name of work :Construction of Civil Works

DATE:

Construction Agency

PAGE:

Sl. No

Activity and Operation

Characteristics /instruments

Class of check

Type of check

Quantum Of check

ReferenceDocuments

AcceptanceNorms

Format ofRecord

Remarks/ Precautions

1.0

CONCRETING WORK

1.1

Coarse Aggregate for concrete and filters

1.1.1

Particle Size & Shape (Sieveanalysis, flakiness index, elongation index including visual inspection.

Sieves (confirmingto IS-460-1962) ,

balance, Oven, Thickness gauge, Length Gauge, Metal Scoop etc

Physical

one test per 100 cum/change of source whichever is earlier

IS: 2386 Part-I, (for testprocedure), IS:383 (for permissible value)/TS

SR/LB

Results should be as perrequest of design mix subjected to verification within the limits specified in relevant IS code

1.1.2

Deleterious materials &organic impurities

Balance, Sieve(confirming to IS-460 1962) etc.

Lab analysis &Physical

To be done twice persource. Once at the starting, another in the middle

IS: 2386 Part-II, (for testprocedure), IS:383 (for permissible value)/TS

SR/LB/Test Report

Experts opinion regardingsuitability of the aggregates shall be obtained from any specialist institute, Results will be reported nearest to 0.1% for clay lumps

1.1.3

Determination of specificgravity , water absorbtion, bulk density and voids

Balance, Sieve(confirming to IS-460 1962) etc.

Physical

Once in twelve weeks/500 cum or change of source whichever is earlier

IS: 2386 Part-III, (for testprocedure), IS:383 (for permissible value)/TS

SR/LB/Test Report

These tests shall be carried outwhile establishing design mix & results be intimated.

1.1.4

Determination of Crushingvalue, Determination of impact value

Standard Apparatusfor these test shall be used

Physical

To be done twice persource. Once at the starting, another in the middle

IS: 2386 Part-IV, (for testprocedure), IS:383 (for permissible value)/TS

SR/LB/Test Report

These tests shall be carried outwhile establishing design mix & results be intimated.

1.1.5

Moisture content

Balance, Sieve(confirming to IS-460- 1962) and Oven

etc.

Physical

Once for each stack of100 Cu.M. or part there of Except during monsoon when this has to be done every day before start of concreting

IS:2386 Part-IIIIS : 456

IS : 383/TS

SR/LB

Accordingly water content of theconcrete will be adjusted. These tests shall be carried out while establishing design mix & results be intimated.

1.1.6

Soundness

Reagents (sodiumSulphate or Magnesium Sulphate)

Chemical/Physical

To be done twice persource. Once at the starting, another in the middle.

IS: 2386 Part-V, (for testprocedure), IS:383 (for permissible value)/TS

SR/LB/Test Report

These tests shall be carried outwhile establishing design mix & results be intimated.

1.2

Fine aggregate

1.2.1

Bulkage, bulk density, surfacemoisture & water absorption

As per IS Code

Physical

Bulkage & surfacemoisture to be done everyday before starting the work.

Bulk density & water absorption to be done once in twelve weeks/ 500 cum or change of source whichever is earlier

IS: 2386 (Part III), IS:383/ TS

SR/LB/TR

Volume of sand and weight ofwater shall be adjusted as per bulk and moisture content

LEGEND:

DOC. NO.: REV-

Legend to be used: Class # : A = Critical, B=Major, C=Minor; SR,TR,MfrTC

Construction Agency Stamp and Signature

SR = Site Register , TR= Test Report , Mfr TC=Manufacturer’s Test Certificate , duly correlated

This document shall be read in conjunction with Tech. Specifications, BOQ &Drawings.

REVIEWED BY

APPROVED BY

Approval Seal

1.2.2

Mortar making properties

As per IS Code

Physical

Once per source & onefor every change of source

IS: 2386 (Part VI), IS:383/ TS

SR/LB/TR

should be as per requirement ofdesign mix

1.2.3

Silt, Clay content and organicimpurities and deleterious materials

Balance, Sieve(confirming to IS-460 1962) etc.

Physical

To be done twice persource. Once at the starting, another in the middle

IS: 2386 Part-II, (for testprocedure), IS:383 (for permissible value)/ TS

SR/LB/Test Report

should be as per requirement ofdesign mix

1.2.4

Sieve Analysis, particle shape& size

set of sieves

Physical

one test per 100 cum/change of source whichever is earlier

IS: 2386 (Part-I), IS:383/ TS

SR/LB/TR

Should be as per requirement ofdesign mix subject to variation specified in relevant IS codes.

1.2.5

Soundness

Reagents (sodiumSulphate or Magnesium Sulphate)

Chemical/Physical

To be done twice persource. Once at the starting, another in the middle

IS: 2386 Part-V, (for testprocedure), IS:383 (for permissible value)

SR/LB/Test Report

These tests shall be carried outwhile establishing design mix & results be intimated.

1.3

Water

1.3.1

Tests for PH Value

PH meter/ PH paper(to be recorded at site)

Testing at lab

One per month for eachsource

IS:3025, IS:456

SR/LB/TR

1.4

CEMENT (review of manufacturers test certicate for each consignment brought at site with the information

1.4.1

a) Ensure that cement isstored in weather tight covered storage on raised platform.

Visual

100% covered storage

SR/LB

Site engineer to check.Manufacturers test certificate to be submitted by the contractor

1.4.2

Fineness

As required

Physical

One per 200 MT

IS: 4031/1489/269/455/TS

SR/LB

1.4.3

Initial & Final Setting time

As required

Physical

IS:4031/TS

SR/LB

1.4.4

Soundness

As required

Physical

IS:4031/TS

SR/LB

1.4.5

Specifiv Gravity

As required

Physical

IS:4031/TS

SR/LB

1.4.6

Compressive Strength

As required

Physical

IS:4031/TS

SR/LB

1.5

STAGING, SHUTTERING AND FORMS

1.5.1

Materials and accessories

As required

Visual

100%

IS 4014

proper care should be taken inorder to combat corrosion. Proper care should be taken while cleaning, moving and stacking the scafolds. It should be ensured that they are free from warped, broken or damaged edges or uneven surface before putting them on works.Cleaning and oiling is to be done.to check for loose connections if any

1.5.2

Steel plate / Plywood forconcrete shuttering work

As required

Visual

100%

IS 4990:1993,IS 1734; ( Part 1 -11)/TS

Relevant documents &recommended method of use & loading etc.

1.5.3

Durability, Strength &Soundness of staging, joists, shuttering and scaffolding

As required

Visual

Once

As per technical specification,manufacturer’s spec.and IS: 3696,4014, 4990

1.5.4

Connection between individualscaffolding units and safe slenderness ratio. Two independent safety measures against collapse

As required

Visual

Fortnightly

As per relevant IS Codes

Site engineer to check

1.5.5

Alignment/Shape

As required

Measurement

Each member & beforeeach lift of shuttering or before next stage

As per approved drawings

SR/LB

length,breadth,depth,shape,level, plumb line to be checked. Diagonal bracings are to be checked.

1.5.6

Check form’s seam marks andwater tightness

As required

Physical

Random

As per approved drawings

SR/LB

Site engineer to check

1.6

1.6.1

Mix Design

As required

Physical

Once for every change inmix materials source.

IS: 516 & IS:456,IS:10262

Mix DesignReport

Design mix is to be carried outat any approved lab.

1.6.2

Trial mix (Cubes compressivestrength)of the Mix Design

As required

Physical

Min. 3 Trial Mixes withadmixtures (if any) and Without admixtures

IS: 516 & IS:456,IS:10262/

SR/LB/Test Report

1.6.3

Crushing strength of trial mixcubes

As required for 7 &28 days strength test

Physical

As per IS 456

IS: 516 & IS:456,IS:10262/

SR/LB

1.7

Concrete conveying, placing and Compaction

1.7.1

Mixing of concrete

mixing of concreteshall be done in a approved mixer/ weigh batcher/ batching plant such as to produce a homogenous mix

Physical

To be calibrated at thetime of starting and as desired by Engineer-in – charge

Review ofcalibration chart/ Certificate, IS 456/ TS

time of mixing will be as given inTechnical specification / IS 456 Min. time of mixing should be 2 minutes for mixer capacity 2 cum or less

Min. time of mixing should be 3 minutes or as recommended by by the mixer manufacturer for mixer capacity above 2 cum

1.7.2

Handling and Conveying

Buckets , Chutes,belt conveyer etc

Physical

100%

as per Tech.Spcfn./constructio n/erection methodology/ IS 457

Technical specification is to befollowed.

1.7.3

Placement of concrete

Visual

Physical

100%

as perconstruction/erecti on methodology as per tech.specs

no concrete shall be placed untilthe place of deposite has been thoroughly inspected and accepted,

1.7.4

Compacting

As required

Physical

100%

Check forsegregation as per IS 456 & TS

Bleeding or segregation etc. isto be avoided as far as possible. Accumulated water is to be removed and shall not be covered with concrete, or dry concrete

1.7.5

Curing

As requiredminimum 7 days

Physical

100%

Check for periodof curing as per IS 456 & TS

Exposed concrete surface shallbe protected against heating and drying for atleast 72 hrs after placement.

1.8

Tests on Green Concrete

1.8.1

Workability :- Slump test

Standard apparatusfor different method used for measuring workability, slump cone

Physical

One sample every 2 hrs.from every mixing plant/ IS 456

IS:456, IS 1199-1959

SR/LB/TR

Slump test for medium & highworkability

Site engineer to check

1.8.2

Crushing strength (worksTests cubes)

As required for 7 &28 days

Physical

As per IS 456

IS:516, IS:456,

SR/LB/Test Report

Site engineer to do thetest.

1.8.3

Water cement ratio( CementContent And Water Content)

As required

Physical

At random at the time ofbatching.

As per IS:1199and approved design mix.

SR/LB

As per mix design

1.8.4

Check for cement content

Physical

At random at the time ofbatching.

As per IS:3026,IS: 456, approved design mix & technical specification.

SR/LB

1.8.5

Admixtures for Concrete (ifany)

As per IS : 9103

Testing

100%

IS:456, appd.Design mix & technical specification

TestReport

Admixture of appd. Brand andtested quality shall be used.Manufacturers TC required.Site engineer to check

1.8.6

Visual examination offinished structure

As required

Visual

100%

As per Tech.Specification./App

d. Drg./IS-456

-do-

1.8.7

Dimensions

Measurement

100%

As per Tech.Specification./App

d. Drg./IS-456

1.9

TEST/CHECK ON RCC STRUCTURE IN HARDENED CONDITIONS:

1.9.1

Ultrasonic Pulse Velocity Test

for criticalfoundations

NDT

100%

IS: 13311 Part- I and Tech.Specification/ IS 456

TestReport

Shall be performed by qualifiedpersons/institution with calibrated equipments, if there is any doubt in crushing stregth and on specific instruction

1.9.2

Load Test , Core test &Rebound Hammer

As required

Test

As required byEngineer.

As per Technicalspecification and IS:456-2000

TestReport

The test shall be carried outonly in case of doubt regarding grade & quality of concrete.

2.0

Reinforcement Steel

2.1

Physical and ChemicalProperties as per relevant IS codes

As required/ agreed

Review of TCs

In 100 MT or part thereof

IS 1786/ 456/ TS

MTC

Approved brands areSAIL/TATA TISCON/ RINL/IISCO

2.2

Tolerance

As required/agreed

Physical

At random

IS:1786

SR/LB

To be checked at site

2.3

Freedom from defects

As required/ agreed

Visual

Random before andduring placement

As per technical specifications &IS: 468

Any of the bars selected for useshall be free from cracks, surface flaws, laminations and rough, jagged and imperfect edges.Steel issued should be free from excessive rust. To be stored diameter wise in such a place so as to permit easy approach for inspection & identification. It should be cleaned of excessive rust before use.R/f will be tied with annealed wire. Water accumulation & distortion of r/f are to be avoided. To be

2.4

Placement

As required/ agreed

Visual

100%

As per approved drawings andapproved Bar Bending schedule/ IS 456/ TS

SR/LB/Pour card

Engineer to check asper Bar Bending Schedule (BBS) and as per relevant codal provision

2.5

Cutting tolerance

As required/ agreed

PhysicalMeasurement

100%

Approved drawings & check list.

Tolerance as per specifications

3.0

Grout

3.1

Grouting Pressure

Calibrated PressureGauge

Physical

At random

Approved Drwaing

SR/LB

To be checked at site

3.2

Composition of Grout

NIL

Verification ofMTC

Each lot/Batch

As per Technical Specification

SR/LB

To be checked at site

3.3

Compressive strength (7 & 28days)

As required

Physical

6 cubes for every grout atthe time of each grouting

As per Technical specification

SR/LB

To be checked at site

4.0

Expansion Joints (Test Certificate of Manufacturer & Inspection agency is to be reviewed before placement)

4.1

Check of type & location ofinstallation and release for concreting

NIL

Visual

100%

As per Technical Specification

MTC

To be checked at site

5.0

Brick Masonry, Sheeting & allied works

5.1

Test on Bricks

5.1.1

Soundness

As required

Physical

As per relevant IS Code/One Sample for 10,000 Nos. or part thereof

IS: 1077, IS:3495, IS:2691,

Tech. Specification

SR/LB

To be checked at siteas per frequency stipulated in specification & guideline.

5.1.2

Colour

–

Visual

One for each stack

Deep cherry red copper colour

5.1.3

Compressive strength

As required

Physical

As per relevant IS Code/One Sample for 10,000 Nos. or part thereof

IS: 1077, IS: 3495(part I), IS:2891,

Tech. Specification

To be checked at siteas per frequency stipulated in specification & guideline.

5.1.4

Water Absorption

As required

Physical

As per relevant IS Code/One Sample for 10,000 Nos. or part thereof

IS: 1077, IS: 3496(part I), IS:2891,

Tech.

5.1.5

Visual & Dimension

Visual &Measurement tape

Visual &Measurement

Random

IS: 1077 & tech.Spcfn.

5.1.6

Warpage

Straight edge &scale

Measurement

Per 10000 Nos.

IS: 1077

5.2

Sand (masonary work & road works)

5.2.1

Silt, Clay content and organicimpurities

As per IS Code

Physical

Once per source & for onevery change of source

IS: 2386 Part-II, IS:383 /TS

SR/LB/TR

5.2.2

Grading Of Sand

IS Sieves

Physical

once for 100 cum or partthereof or change of source whichever is earlier.

IS 2116/ IS 383/ TS

5.2.3

Determination of specificgravity and water absorbtion, & Bulk density

Balance, Sieve(confirming to IS-460 1962) etc.

Physical

IS: 2386 Part-III, (for testprocedure), IS:383 (for permissible value)

SR/LB/Test Report

5.3

Masonry construction

5.3.1

Workmanship

—

Visual/ Physical

All work

As per Spec AndIS 2212 for brick works

5.3.2

Laying

Trovel, Square,Plumb bob etc

Physical

All work

As per Spec AndClause no 11.0 of IS 2212 for brick works

5.3.3

Verticality and Alignment ofPlumb

Plumb bob

Physical

All work

IS 2212 and TechSpec

6.0

BOUGHT OUT ITEMS – BOI

6.1

Bought out items to beprocured form the manufacturers acceptable Paver Block etc.

As required / agreed

Verification ofMTC / Testing/ review

100%

BOQ. List ofall BOI to be submitted for approval along with proposed vendors

Relevantdocuments

/ TC

7.0

RCC PIPES as per IS: 458 & T.S.

7.1

Tests at Manufacturer’s Works

7.1.1

Hydrostatic Test

As required / agreed

Physical

As per IS 458

Testing Procedure as per IS 458

IR/TC

7.1.2

Absorption Test

As required / agreed

Physical

As per IS 459

Testing Procedure as per IS 459

IR/TC

7.1.3

3 Edge Bearing Test

As required / agreed

Physical

As per IS 460

Testing Procedure as per IS 460

IR/TC

7.1.4

Straightness Test

As required / agreed

Physical

As per IS 461

Testing Procedure as per IS 461

IR/TC

7.1.5

Dimensional Check & VisualInspn.

As required / agreed

Physical

As per IS 462

Testing Procedure as per IS 462

IR/TC

7.1.6

RCC wire check & spacing

As required / agreed

Measurement

Random

TS/IS 458

IR/TC

7.2

Checks at site

7.2.1

Check for Laying and Jointing

As required / agreed

Visual

As per IS 783

As per IS 783 & Tech.Spec

IR/TC

General Points:

v) Swelling Index

1.0

Quality Control Manpower

A check

As per T.S.

2.0

Quality Control Laboratory

A check

As per T.S.

3.0

Construction Equipments

A check

As per T.S.

4.0

Organisation Chart

B check

As per T.S./As per requirement /direction of EIC

Dalapathi

Phone Number

Contact Address

Email Address