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Agartala(cipetagttesting@gmail.com) 117.201.162.124 [for non-commercial use only].
AMENDMENT NO. 1 MARCH 2006
TO
IS 4985:2000 UNPLASTICIZED PVC PIPES
FOR POTABLE WATER SUPPLIES –
SPECIFICATION
(Third Revision)
(Third cover page, Foreword, para 7) – Insert the following new para at the end.
‘These pipes can be used for agricultural uses also’.
(Page 3, clause 1.3, Note) – Delete.
'6.3 Conformity of pipes to this standard is tested by carrying out the tests
specified in this standard. Pipes meeting the requirements of these tests are
deemed to meet the requirements of the standard.'
( Page 4, clause 7.1.2, para 1, line 1 ) — Insert '(both for solvent cementing and
elastomeric sealing ring joints)' after 'pipe'
( Page 4, clause 7.1.2, para 2, line 1 ) — Insert 'The above' before 'wall' and
substitute 'three' for 'two'.
( Page 4, clause 7.1.2, para 2, line 2 ) — Substitute 'IS 12235 ( Part 1)' for 'IS
12235 ( Part 2 )’
( Page 5, Table 1, col 4 and 5, col heading ) — Substitute 'Outside
Diameter at Any Point1) for 'Outside Diameter at Any Point'.
(Page 5, Table 1, col 6 to 23, col heading) – Substitute ‘wail Thickness. mm
‘for “Working Pressure, MPa’.
( Page 5, Table 1, col 6, 7 and 8, sub-heading ) — Substitute '0,25 MPa' for
'0.25
( Page 5, Table I, col 9, 10 and 11, sub-heading) — Substitute '0.40 MPa' for
'0.40’.
(Page 5, Table I, col 12,13 and 14, sub-heading) — Substitute '0.60 MPa' for
‘0.60’
( Page 5, Table 1, col 15,16 and 17, sub-heading ) — Substitute '0.80 MPs’ for
‘0.80’
Price Group 2
1
Free Standard provided by BIS via BSB Edge Private Limited to CIPET : CSTS - Agartala -
Agartala(cipetagttesting@gmail.com) 117.201.162.124 [for non-commercial use only].
Amend No. 1 to IS 4985 : 2000
( Page 5, Table 1, col 18, 19 and 20, sub-heading ) — Substitute '1.00 MPa’ for
‘1.00’.
( Page 5. Table I, col 21, 22 and 23, sub-heading) — Substitute '1.25 MPa for
'1.25'
( Page 5, Table I, col 3 ) — Substitute '25.3' for '25.0' against the nominal
outside diameter of 25.
( Page 5, Table 1, col 12 ) —, Substitute '2.7' for '3.7' against the nominal
outside diameter of 63
{ Page 5, Table 1, col 11 ) — Read the misprint as '2.2' against the nominal
outside diameter of 75.
( Page 5, Table I, col 12 ) — Substitute '6.2' for '6.3' against the nominal
outside diameter of 160.
( Page 5, Table 1, col 15 ) — Substitute '12.6' for '12.4’ against the nominal
outside diameter of 250.
( Page 5, Table 1, Notes, last line ).— Substitute 1) For class 1, 2 and 3 ……cases' for
'For class 1, 2 and 3 ……. cases.'
[ Page 6, Fig. 2(b), Title ] — Substitute 'SOCKETED PIPE FOR
ELASTOMERIC SEALING RING JOINT' for the existing.
( Page 1, clause 7.2.1.2, lines 1 to 6 ) — Substitute following for the existing:
'These shall conform to the dimensions given in Table 4 and Fig. 4. The wall thickness of
elastomeric sealing ring type sockets at any point, except the sealing ring groove, shall
not be less than the minimum wall thickness of the connecting pipe. The wall thickness of
the sealing ring groove shall not be less than 0.8 times the minimum wall thickness of
connecting pipe.'
[ Page 7, clause 7.2.1.2(b), last line) — Substitute 'Table T for 'Table 6'.
[ Page 7, clause 7.2.1.2(c) ] — Delete.
( Page 8, Fig. 4 ) — Substitute 'dim’ for ‘di’
(Page 8, clause 10.1) — Insert the following at the end of the clause:
2
Free Standard provided by BIS via BSB Edge Private Limited to CIPET : CSTS - Agartala -
Agartala(cipetagttesting@gmail.com) 117.201.162.124 [for non-commercial use only].
Amend No. 1 to IS 4985 : 2000
'The pipes may also be supplied in any other colour as agreed to between the
buyer and seller.'
(Page 8, clause 10.2 ) — Insert the following at the end of the clause:
‘The convex (outer) surface of the pipe specimen shall face the light source.'
( Page 8, clause 10.3, line 4 ) — Delete 'IS 12235 (Part 11)'.
( Page 9, Table 4, Title ) — Substitute 'Elastomeric' for 'Elastometric'.
(Page 9, Table 4, col 2) — Substitute '502.6' for '502.1' and '633.1’ for
'632.3' against Nominal Outside Diameters 500 and 630 respectively.
(Page 9, clause 10.5 ) — Substitute the following for the existing:
'10.5 Vicat Softening Temperature
When tested by the method prescribed in IS 12235 (Part 2), the Vicat Softening
Temperature of the specimen shall not be less than 80°C.'
(Page 9, clause 10.6) — Substitute the following for the existing: '10.6
Density
When determined in accordance with IS 12235 (Part 14), the density of the pipe
shall be between 1.40 and 1.46 gms/cm3.'
(Page 10, clause 11.1, line 3) — Substitute ‘( Part 8/Sec 1 y for \ Part 8 )'.
(Page 10, clause 11.1) — Insert the following before the last sentence:
'When tested in accordance with the method prescribed in IS 12235( Part 8/ Sec
4 ), the joints made with elastomeric sealing ring sockets shall fulfill the
requirements given in Table 7.'
3
Free Standard provided by BIS via BSB Edge Private Limited to CIPET : CSTS - Agartala -
Agartala(cipetagttesting@gmail.com) 117.201.162.124 [for non-commercial use only].
Amend No. 1 to IS 4985 : 2000
(Page 11, Annex A ) — Substitute the following for the existing Annex:
ANNEX A
(Clause 2)
LIST OF REFERRED INDIAN STANDARDS
SL No. Title
4669: 1968 Methods of test for polyvinyl chloride resins Methods for
4905: 1968 random sampling
5382: 1985 Rubber sealing rings for gas mains, water mains and sewers
(first revision)
10148:1982 Positive list of constituents of polyvinyl chloride resins and its
copolymers for safe use in contact with food-stuffs,
pharmaceuticals and drinking water.
10151:1982 Specification for polyvinyl chloride (PVC) and its
copolymers for its safe use in contact with foodstuffs,
pharmaceuticals and drinking water
12231: 1987 Specification for UPVC (rigid) pipes for use in suction and
delivery lines of agricultural pumps
12235 Thermoplastics pipes and fittings — Methods of test
(Part 1): 2004 Measurement of dimensions.
(Part 2): 2004 Determination of Vicat softening temperature
(Part 3): 2004 Test for opacity
(Part 4): 2004 Determining the detrimental effect on the composition of
water
(Part 5): 2004 Longitudinal reversion
(Part 8/Sec 4): 2004 Resistance to internal hydrostatic pressure, Section 1
Resistance to internal hydrostatic pressure at constant internal
water pressure
(Part 8/Sec 4): 2004 Resistance to internal hydrostatic pressure, Section 4
Leak tightness of elastomeric sealing ring type socket joints
under positive internal pressure without angular deflection
(Part 10) : 2004 Detennination of organotin as tin aqueous solution
(Part 14) : 2004 Determination of density/relative density (specific gravity)
12818 : 1992 Unplasucized PVT screen and casin pipes for bore/tubewell –
Specification (first revision)
4
Free Standard provided by BIS via BSB Edge Private Limited to CIPET : CSTS - Agartala -
Agartala(cipetagttesting@gmail.com) 117.201.162.124 [for non-commercial use only].
Amend No. 1 to IS 4985: 2000
(Page 11, clause B-3.1) — Substitute the following for the existing:
'B-3.1 Silica or platinum crucible inert to the material tested. The size shall be sufficient
so that the crucible is not more than half filled by the test portion sample.'
(Page 13, clause C-4.1.1, last sentence) — Delete.
( Page 18, Table 15, col 6 ) — Substitute '2' for V against the value given for
Second Sample for Number of Pipes in the lot Up to 10 000.
(CED 50)
Reprography Unit, BIS, New Delhi, India
