BUREAU OF INDIAN STANDARDS (Western Region Office, Mumbai)

DRAFT PRODUCT CERTIFICATION MANUAL FOR COMMENTS

Our Ref: DDGW Sectt(PCO/RD) 23 Jan 2014

Sub: Preparation & review of draft manuals for product certification

This has reference to CMD circular CMD-1/31 dtd:11 Nov 2013 on the above subject. In this connection, please find enclosed the draft product certification manuals prepared by WRO as indicated in Annex-I

Kindly examine the draft product certification manuals and forward your comments on the drafts to the ROs/ BO’S indicated against them in Annex-I and a copy of the comments may also be forwarded to at wro@bis.org.in

Last date for comments: 3 Feb 2014.

Comments, if any, may please be made in the format as given below:

Sl. Name Clause/ Paragraph / Type of Comments Proposed Change No. of RO / Sub-clause Figure / comment

BO Table (General / Technical / Editorial)

Note: Separate sheets may be attached in case comments are lengthy and cannot be incorporated in the table.

(Rosy Dhawan) Sc ‘E’ & PCO (DDGW Sectt)

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Doc No. PM/ IS 13488

Date of issue

PRODUCT MANUAL FOR IRRIGATION EQUIPMENT - EMITTING PIPE SYSTEMS

IS 13488: 2008

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1.0 FOREWORD

This manual deals with the product certification scheme of BIS & its operation issues for Irrigation Equipment – Emitting Pipes Systems in accordance with IS 13488 :2008 .

2.0 DESCRIPTION OF PRODUCT

2.1 This manual refers to the product Irrigation Equipment – Emitting Pipes Systems intended to emit water in the form of drops and continuous flow at nominal emission rates not exciding 8 l/h per emitting unit at nominal test pressure. Pipes shall be classified by pressure ratings

Class 1 0.100 Mpa

Class 2 0.125 Mpa

Class 3 0.250 Mpa

Class 4 0.400 Mpa

According to type of operation emitting pipes shall be designated as Unregulated category B and regulated Category A

2.2 ISS has no amendments issued till date.

2.3 Reference of Indian Standards for raw materials and components , test procedures / methods

IS 12786 : 1989

IS 13479 : 1992

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3,0 RAW MATERIALS / COMPONENTS

3.1 Polyethylene – Code PE 25

3.2 All raw materials shall

1. Resistance to Fertilizers & chemicals finding common use in irrigation. 2. Suitability for use with water at temperature up to 60º C. 3. Not supporting growth of algas and bacterial. 4. Opaque as well as resting UV degradation when exposed. 5. Not more than 10% of rework material to be used in manufacturing process.

4.0 MANUFACTURING PROCESS , IN PROCESS CONTROL &

INFRASTRUCTURE

4.1 A typical manufacturing process

1. Charging of raw material to extruder 2. Extrusion ( Moulding & Maintaining desired OD & thickness ) 3. Extrusion of emitting units 4. Introduction of emitting units in side the PE pipes at desired spacing intervals 5. Heat Embossing clear permanent marking (Cl 10 of ISS) on the pipe 6 .Cutting & Coiling as per nominal length 7 .Packing & dispatch.

4.2 Process control involves checking of

1) Internal Diameters 2) Wall thickness 3) Spacing of emitting units 4) Emitting units flow provision in the product

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4.3 Manufacturing infrastructure Plant layout to be verified for

1. Continuous Power & Water supply 2. Raw material storage space 3. Manufacturing area for number of extruders, moulds , sizers, coiling

Machinery, cutting devices and emitting unit extrusion facility or its procurement arrangement , fittings manufacturing / procurement arrangement.

4. Finished product storage area & identification protocol according to product Class & OD / LPH/ Category/ Operation Type . 5. Quality control area with location of test equipments and calibration facility if available in house. 6. Wash room and canteen facilities for employees.

7. Main entrance, compound and total area consumed for manufacturing and QC functions .

8 Nature of construction

5.0 CERTIFICATION CRITERIA

5.1 Critical requirements of ISS

1.Inside diameter & Wall thickness 2. Uniformity of Emission Rate 3. Resistance to Hydrostatic Pressure 4. Resistance to pull out of points between fitting and emitting pipes 5. Flow path in emitting pipes 6. Spacing of emitting units 7. Emitting units exponent for regulated pipes

5.2 STI Document STI 13488/2 July 2008

5.3 Marking Fee

Rate Rs 0.35 Unit 1 Kg for all units Minimum Marking Fee LS 62000/- SS 53000/-

5.4 Grouping Guidelines

One sample of same designation (Cl 9.1 & 9.2) &n same class shall be drawn for independent testing after verification of complete manufacturing and testing facilities for all pipe dimensions and designation requirements intended for grant of licence scope. After grant of licnce one sample designation and class wise may be drawn for independent testing .

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5.5 Scope of License

It shall indicate clearly class and designation i.e. nominal outside diameter – emission rates – class – emitters spacing – type of operation (regulate / unregulated) – uniformity category(a & b).In addition to this nominal pressure as well as range of working pressure shall also be indicated

5.6 Inclusion of New Verities

Under normal procedure after verification of complete manufacturing and test equipments samples of new varities (Class and designation wise) i is to be drawn for independent testing & based on conformity status of the sample inclusion may be permitted. Under simplified procedure CMD guidelines to be followed.

5.7 Drawl of Samples

Preliminary inspection :-

1) Raw material i.e compounded PE material (Master batch) 1 Kg 2) Coil length having at list 30 emitting units base on there spacing intervals 3) 10 emitting units separately

5.8 Sealing of Samples

IO after signing on sample coil , it may be wrapped with transparent PE Film and IO’s Tag indicating Sample Code and details is to be tied with impression of BIS logo wax seal.

5.9 Sample remnants to be scrapped

5.10 Non conforming products may be used as reworked material in process or it may be sold as commercial material after complete removal of BIS certification mark with due intimation to BIS and seeking permission of regulator.

6.0 Inspection and Testing :-

6.1 PE Film & thread and sound thread for tie-up of sample Coil

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6.2 Test equipments calibration frequencies.

Sr. No.

Test equipment Test Requirement Calibration

1 Carbon Black Content tester Carbon Black Content

* Pl Refer to foot note

2 Combustion boats

3 Combustion tube

4 Gas Flow meter

5 Thermometer

6 Furnace

7 Nitrogen Gas

8 Trichloroethylene

9 Microscope Carbon Black Dispersion

10 Hot plate

11 Microscope Slides

12 Dial Vernier Caliper Dimensions & Flow path

13 Ball Ended Micrometers

14 Water Bath

15 Hydrostatic Pressure Test Equipments

Hydraulic requirements

16 Pressure Gauges

17 End Plugs for hydro test

18 Igepal CO 630 reagents

19 Tensile strength tester (Speed 100mm Per minutes )

Tensile and elongation

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20 Tensile test specimen cutting equipments

21 Measuring Tape

22 Angle Protractor

23 Air Conditioner (QC area)

24 Go and No go gauges (ID wise)

25 Oven for resistance to pull out at elevated temperature

26 Pull out loads

27 Emission rate test equipments with pressure gauges water supply source and filters

28 Graduated Cylinders & Funnels

29 Flow path measuring device

30 Pull out testing assembly

*all testing equipments shall be calibrated yearly from NABL accredited service provider

6.3 Mode of Grant of Licence

Independent testing basis

6.4 Tests to be carried out in factory

1. Resumption of Marking :- Failure requirement testing if possible in factory or sample is to be drawn for independent testing. 2. Normal periodic inspection :- Dimensions OD, ID, Wall thickness, emission rates, Pull out tests, spacing and hydrostatic test at ambient temperature

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