QAP SWpipe

322101932.xlsC:QAP.Pre-Str.pipe(7)

QUALITY ASSURANCE PLANPRODUCT NAME : STONE WARE PIPES

Category Type of CheckAgency Remarks

1.0 RAW MATERIALS CONTROL :

A Clay Colour Major (i) Visual IS : 651/1992 IS : 651/1992 by Manufacturer

(II) Analysis IS : 651/1992 IS : 651/1992 by Manufacturer

IS : 651/1992 IS : 651/1992 by Manufacturer

B Salt Crystalline Structure Major Visual IS : 651/1992 IS : 651/1992 by Manufacturer

Size Major Measurement IS : 651/1992 IS : 651/1992 by Manufacturer

C Quartz Silica content Major Analysis 1 per Batch IS : 651/1992 IS : 651/1992 by Manufacturer

Sl. No

Component / Material

Characteristics Check

Quantum of Check

Reference Documents

Acceptance Norms

Format of Record

1 sample per lorry

Manufacturer's Registers & Certificate

Verification of record by 3rd

party I.A.

1 sample per lorry



party I.A.

(iii) Salt Content

1 sample per lorry



party I.A.

1 sample per lorry



party I.A.

1 sample per lorry



party I.A.



party I.A.


Category Type of CheckAgency RemarksSl.

NoComponent /

MaterialCharacteristics

CheckQuantum of

CheckReference

DocumentsAcceptance

NormsFormat of Record

D Feldspar Silica Potash Major Analysis 1 per Batch IS : 651/1992 IS : 651/1992 by Manufacturer

II PROCESS CONTROL

A Grogging Major Visual 1 per Batch IS : 651/1992 IS : 651/1992 by Manufacturer

Size Major Saving IS : 651/1992 IS : 651/1992 by Manufacturer

B Mixing Major By weightment Continuous Internal Records by Manufacturer

C Firing Temprature Major Temprature Internal Records by Manufacturer

2.0 FINAL INSPECTION AND TESTING :

A Dimensions a) internal Dia Major Measurement IS 651/1992 Report by Manufacturer IA

Major Measurement IS 651/1992 Report by Manufacturer IA

c) Length of pipe Major Measurement IS 651/1992 Report by Manufacturer IA



party I.A.

Burnt material powder check



party I.A.

1 sample per lorry



party I.A.

Proportion of clay to Grog

Manufacturer standards

80% Clay20% Crog


party I.A.

Furnace check for every firing




party I.A.

Samples as per table 1.3 of IS 651:1992

As per IS 651/1992


party I.A.

b)Thickness of barel & sockets


As per IS 651/1992


party I.A.


As per IS 651/1992


party I.A.


Category Type of CheckAgency RemarksSl.

NoComponent /

MaterialCharacteristics

CheckQuantum of

CheckReference

DocumentsAcceptance

NormsFormat of Record

Major Measurement IS 651/1992 Report by Manufacturer IA

B Surface defects Major Visual IS 651/1992 Report by Manufacturer IA

C Hydralic Test Water leakage Major IS 651/1992 Report by Manufacturer IA

D Absorbtion test Increase in size Major Analysis IS 651/1992 Report by Manufacturer IA

E Major IS 651/1992 Report by Manufacturer IA

F Major IS 651/1992 Report by Manufacturer IA

G Major IS 651/1992 Report by Manufacturer IA

H Marking Major Visual IS 651/1992 IS 651/1992 Report by Manufacturer IA

NOTE : 1. Copies of Internal record should be made available to Inspection Authority (I.A.) for scrutiny before commencement of inspection.2. All measuring instruments and testing equipments shall be calibirated periodically and put up to IA for verification

d) Strightness of pipe


As per IS 651/1992


party I.A.

100% by manufacturer

As per IS 651/1992


party I.A.

pressure gauge and leakage tightness

Samples as per table 13 of IS 651:1992

As per IS 651/1992


party I.A.


As per IS 651/1992


party I.A.

Test for Acid resiistance

Loss in Mass not less than 0.25%

Analysis as per Annexure-A of IS 651:1992


As per IS 651/1992


party I.A.

Test for Alkali resistance

No pitting or softening crack

Analysis as per Annexure-B of IS 651:1992


As per IS 651/1992


party I.A.

Crushing strength

Crushing strength to with stand minimum 16 KW/M

Physical testing as per Annexure-C of IS 651:1992


As per IS 651/1992


party I.A.

100% by manufacturer


party I.A.