TECHNICAL PARTICULARS OF R.C.C. HUME PIPES

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TECHNICAL PARTICULARS OF R.C.C. HUME PIPES


This Specification covers the requirements for Non
-
Pressure Reinforced Precast

Concrete
Pipes (Spun) used for culverts, sewers, irrigation etc.


The Concrete Pipes shall be conforming to IS: 458/2003 (Fourth Revi
sion)
with

Amendment

1
with regards to Design /Dimensions / Tolerances / Workmanship

& Finish / Materials
used for making the Pipes. The Pipes shall be manufactured

by
spinning

process. The ends
of the concrete pipes shall be suitable for flush

joints or c
ollar joints or suitable for Socket
& Spigot, roll on joints or confined

gasket joints as per the requirements of the purchaser.


The Pipes shall be of the following Sizes & Classification:


SUB ITEM CODE NO. RCCHP001 TO RCCHP0021


Schedule 1: Reinforced C
oncrete, Light duty, Non
-
pressure Pipes, Class NP2, with

ends of the
pipes suitable for collar joints conforming to IS: 458/2003 (Fourth

Revision)
with
Amendments

No.1
.


Nominal Diameter of Pipes in mm.


80, 100, 150. 200, 225, 250, 300, 350, 400, 450, 500
, 600, 700, 800, 900, 1000,

1100,1200, 1400,
1600 & 1800.


1.

Dimensions, Design and Strength requirements of Reinforced Concrete Pipes

of Class NP2

shall be as per the Table 2 of IS: 458/2003.
with
Amendment

No
-
1

2.

Tenderers may also quote rates separ
ately for the Collars. Dimensions and

Design

requirements of Reinforced Concrete Collars for Pipes of Class NP2

shall be as per the Table

21 of IS: 458/2003
with
Amendments

No
-
1.


SUB ITEM CODE NO. RCCHP022 TO RCCHP0042


Schedule 2:Reinforced Concrete, L
ight duty, Non
-
pressure Pipes, Class NP2, with

ends of the
pipes suitable for Socket & Spigot, roll on joints or confined gasket

joints conforming to
IS:458/2003 (Fourth Revision)
with
Amendments

No
-
1

along with

Rubber Ring conforming to
Type 2 of IS: 5382
/1985
with
Amendments

3
Reaffirmed

2003
.


Nominal Diameter of Pipes in mm.


80, 100, 150. 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000,

1100,1200, 1400,
1600 & 1800.


1.

Dimensions, Design and Strength requirements of Reinforced Concre
te Pipes

of Class NP2

shall be as per the Table 2 of IS: 458/2003
with
Amendments

1


2.

Spigot & Socket dimensions of NP2 Class Pipes shall be as per Table 13

of IS: 458/2003
with

Amendments

1
.

3.

Rubber Ring chords used in the Pipe joints shall confor
m to Type 2 of IS:5382/1985
with

Amendments

3
Reaffirmed 2003
.


SUB ITEM CODE NO. RCCHP043 TO RCCHP0063


Schedule 3:Reinforced Concrete, Medium duty, Non
-
pressure Pipes, Class NP3,

with ends of
the pipes suitable for flush joints conforming to IS: 458/200
3 (Fourth

Revision)

with
Amendments

1
.

Nominal Diameter of Pipes in mm.


80, 100, 150. 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000,

1100,1200, 1400,
1600 & 1800.


Dimensions, Design and Strength requirements of Reinforced Concrete Pip
es of

Class NP3 shall be
as per the Table 3 of IS: 458/2003
with
Amendments

No
-
1


SUB ITEM CODE NO. RCCHP064 TO RCCHP0084


Schedule 4:Reinforced Concrete, Medium duty, Non
-
pressure Pipes, Class NP3,

with ends of
the pipes suitable for Socket & Spigot, roll

on joints or confined gasket

joints conforming to
IS:458/2003 (Fourth Revision)
with
Amendments

No
-
1
along with

Rubber Ring conforming to
Type 2 of IS: 5382/1985
with
Amendments

3
Reaffirmed

2003
.


Nominal Diameter of Pipes in mm.


80, 100, 150. 200, 225,

250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000,

1100,1200, 1400,
1600 & 1800.


1.

Dimensions, Design and Strength requirements of Reinforced Concrete Pipes

of Class NP3

shall be as per the Table 3 of IS: 458/2003
with
Amendments

No
-
1
.

2.

Spigot

& Socket dimensions of NP3 Class Pipes shall be as per Table 14 &

Table 17 of IS:

58/2003
with
Amendments

No
-
1
.

3.

R
ubber Ring chords used in the Pipe joints shall conform to Type 2 of IS:

5382/1985
2312/67

wi
th
Amendments

3
Reaffirmed 2003
.


SUB ITEM
CODE NO. RCCHP085 TO RCCHP00105


Schedule 5
: Reinforced

Concrete, Heavy duty, Non
-
pressure Pipes, Class NP4, with

ends of the
pipes suitable for flush joints conforming to IS: 458/2003 (Fourth

Revision)

with
Amendments

No
-
1
.


Nominal Diameter of Pipes in
mm.


80, 100, 150. 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000,

1100,1200, 1400,
1600 & 1800.


Dimensions, Design and Strength requirements of Reinforced Concrete Pipes of

Class NP4 shall be
as per the Table 6 of IS: 458/2003
with
Amen
dments

No
-
1


SUB ITEM CODE NO. RCCHP0106 TO RCCHP00126


Schedule 6:Reinforced Concrete, Heavy duty, Non
-
pressure Pipes, Class NP4, with

ends of the
pipes suitable for Socket & Spigot, roll on joints or confined gasket

joints conforming to
IS:458/2003 (Four
th Revision)
with
Amendments

No
-

1
along

with Rubber Ring conforming to
Type 2 of IS: 5382/1985
with
Amendments

3

Reaffirmed 2003
.


Nominal Diameter of Pipes in mm.


80, 100, 150. 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000,1100,1200,

1400,
1600 & 1800.


Schedule
-

7 Transportation Charges

SUB ITEM CODE NO. RCCHP01
27

TO RCCHP001
31


Sub Item
Code No.

Item Description Distance in K.M.

Transportation Charges in %
on the Total Cost of Pipes/

Collars

1

Upto 50 KM


2

Above 50 KM upto 100
KM


3

Above 100 KM upto 150 KM


4

Above 150 KM upto 200 KM


5

Above 200 KM





1.

Dimensions, Design and Strength requirements of Reinforced Concrete Pipes

of Class NP4

shall be as per the Table 6 of IS: 458/2003
with
Amendments

No
-

1
.

2.

Spigot & S
ocket dimensions of NP4 Class Pipes shall be as per Table 14 &

Table 17 of

IS:458/2003
with
Amendments

No
-
1
.

3.

Rubber Ring chords used in the Pipe joints shall conform to Type 2 of IS:

5382/1985
with

Amendments

3
Reaffirmed 2003
.


Inspection & Testing:


As per prevailing practice, the following Review of Reports shall be carried out.


Review of Reports
:


The following Reports shall be submitted to the Inspecting Officer at the time of

Inspection for
review:


During manufacture, compressive Strength Test
s shall be conducted by the

manufacturers on 150
mm Concrete Cubes in accordance with the relevant

requirements of IS: 456 and IS: 516, as
stipulated in Clause 5.5.3 of IS:

458/2003
with
Amendments

1
. The manufacturer shall submit the
results of

compressiv
e tests of Concrete Cubes made from the Concrete used for the pipes.

Alternatively, if the manufacturers do not have the facilities for Compressive

Strength Test on
Concrete Cubes, they shall get the Test done at CSIDC

laboratory at least once in a month a
nd
submit the report to the Inspecting

Officer for review. (Manufacturers are advised in their own
interest to install the

Testing facilities for Compressive Strength Test on Concrete Cubes within a

span of Two years.)




1.

Manufacturer shall submit his
own Certificate for materials of

construction used in the pipes.

2
.

Manufacturer shall submit Test Certificate for the Steel used for

Reinforcement.

3
.

Manufacture’s Test Repot of Rubber Rings shall be submitted for review.

(Incase of Pipes

with Socket
& Spigot ends)


TESTS:


As per prevailing practice, the following Tests / Checking shall be carried out.


1.

Visual examination,

2.

Permeability Test and

3.

Three Edge Bearing Test to produce 0.25 mm crack.

4.

Any other Tests that are mentioned in IS:
458/2003
with
Amendments

1
shall be

carried out if

desired by the Consignee.


NOTE:


1.

The tolerances on Pipes & Collars shall be as per Clause 8.2 of IS:458/2003


with
Amendments
.

2.

Workmanship & Finish of the Pipes & Collars shall be as per Clause
9 of

IS: 458/2003
with

Amendments

1
.

3.

The length in which the pipes are to be supplied shall be as per the mutual

agreement

between the purchaser and the supplier. However, the

recommended length above 300 mm

Nominal Diameter is 2.5 meters.

4.

Curin
g of the pipes shall be done as per the Clause 7.4 of IS: 458/2003

with
Amendments

1
.

5.

Rubber Ring chords used in the Pipe joints shall conform to Type 2 of IS:

5382/1985
with

Amendments

3
Reaffirmed 2003
.

6.

The following information shall be shall b
e clearly marked on the each

Finished Pipe.




a.

Size of Pipe,


b.

Class of Pipe, and


c.

Indication of the source of manufacture.


7.

The supplier shall guarantee the Pipes and Collars for a period of 12

months from the date of

receipt of the materi
als by the consignee.

8
.

The Pipes and Collars shall be pre
-
dispatch inspected by
the PDIL/RITES/IRS/SGS Agency.
9.

For Concrete Pipes Rates must be quoted on the basis of Per Meter length

and in the case of

Collars Rates shall be quoted on the basis of

Per Piece.

(The cost of the Rubber Ring shall be

included in the Rate Per Meter

length of the Pipe. No extra payment towards the supply of

Rubber rings

will be made.) As per the prevailing practice, transportation cost for Pipes

&

Collars shall be quot
ed separately.