specifications for various civil works

7/28/2019 Specifications for various Civil Works

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. Specifications

SPECIFICATIONS FOR DUCTILE IRON PIPES

1. ISI marked centrifugally cast (spun) Ductile iron pressure pipes with socket/spigot ends

confirming to IS:8329-2000 (with up to date amendments) in standard working length of

4.00m, 5.00m, 5.50m and 6.00m for class K- 9 suitable for push on joint (Rubber Gasket

Jointing) with inside cement mortar lining.

2. ISI marked SBR quality Tyton Rubber Gaskets (Push on joint type) as per IS: 5382-1985

& IS 12820-1989 (with up to date amendments) suitable for jointing of DI spun Tyton

pipes.

3. The bidder shall supply attested photocopies of license granted by BIS authority for

marking the pipes & rubber rings with ISI certification mark before inspection of material.

4. At the time of supply, the bidder shall supply a certificate of manufacturer at the time of

inspection of material that each and every pipe has been tested for WORKS HYDRAULIC

PRESSURE TIGHTNESS TEST as perIS code with up to date amendment.

SPECIFICATIONS FOR CI DOUBLE FLANGED SLUICE VALVES

1. Sluice Valves for water supply purposes shall be ISI marked as per IS 14846-2000 with

upto date amendments. CI Flanged type of nominal sizes and pressure P N 1.6.

2. The components/parts of Sluice Vales shall be manufactured from preferred material

mentioned in table-1 of IS: 14846-2000 except for body seat ring, Wedge facing ring and

bushes which shall be made of stainless steel. The Body Length over Flanges shall be as

given under Column 3 i.e. PD in table 3 of IS: 14846-2000 as amended up to date.

3. Each valve shall be hydrostatically tested as per clause 10 of IS: 14846-2000 for closed

end Test as well as open End Test. The Valves shall be suitable for application in

horizontal, position as well as for use in pipeline in unsupported and terminal position.

4. The CI double flanged sluice valves shall be supplied either with Cap or With Hand wheel.


marking the CI Double Flanged Sluice Valves with ISI certification mark before inspection

of material.


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SPECIFICATIONS FOR CI SURFACE BOXES FOR SLUICE VALVES

1. ISI marked, CI surface Box for sluice valve conforming to IS: 3950-1979 (with up to date

amendments).

2. The bidder shall supply manufacturers test certificate for the C.I. surface box for S.V.

conforming to I.S. specification along with the supply of material.

SPECIFICATIONS FOR CI DETACHABLE JOINTS

1. CI Detachable joints shall be ISI marked as per IS: 8794-1988 (with up to date

amendments), suitable for jointing Class- 15 AC pressure pipes. The CI Detachable joints

should be complete with nuts, bolts and rubber rings etc. Rubber rings should also be ISI

marked as perIS: 10292- 1988 (with up to date amendments).

2. The bidder shall supply manufacturers certificate of CI surface box for S.V. confirming to

IS specifications alongwith the supply of material.

SPECIFICATIONS FOR CI/DI SPECIALS FOR CI/DI PIPES

The CI specials shall conform to IS 1538- 1993 with upto date amendments. The metal

used for manufacturing shall be of a quality not less then that specified for grade 15

of IS: 210 1978.

DI specials conforming to IS 9523-2000 can be used for DI Pipes.

SPECIFICATIONS FOR CI FIRE HYDRANT SLUICE VALVES TYPE WITH SURFACE

BOX

1. ISI Marked ,Under ground Fire Hydrant Sluice valves shall conform to IS: 909-1992 (with

up to date amendments).

2. The hydrants shall consist of the following components as detailed in IS: 909-1992.

a) One double flanged 80mm i/d ISI marked sluice valve with one no. road surface Box.

The spindle of sluice valve shall be of stainless steel.

b) Duck foot bend.

c) Flange riser.

d) An externally threaded out let and out let cap placed on the out let by means of chain.

SPECIFICATIONS FOR INDICATING PLATE FOR FIRE HYDRANT AND SLUICEVALVES

1. Enameled indicating plates made of16 gauge Mild Steel sheet with ground colour blue

and letters in white enamel. The indicating plates should have 4 No holes of 4mm dia

meter for screws, on the corners. The size of the plate shall be 150mm x150mm with back

side also black enameled to protect if from rust. (As per drawing attached).


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2. The height and thickness of letters on the indicating plates shall be as per drawing

attached in this NIT.

3 The margins of lettering, holes on four corners etc shall also be as per drawing attached in

this NIT.

SPECIFICATIONS FOR CI SPUN PIPES

1. ISI marked, socket and spigot centrifugally cast (spun) iron pressure pipes shall conform

to IS: 1536-1989 (Third revision) suitable for Rubber Gasket Jointing (push on).

2. The nominal lengths of pipes shall be 3.66 meter, 4.00 meter, 4.50 meter, 5.00 meter,

5.50meter.

3. At the time of supply, the bidder shall supply a certificate of manufacturer at the time of

inspection of material that each and every pipe has been tested for WORKS HYDRAULIC

PRESSURE TIGHTNESS TEST as perIS code with up to date amendment.

4. ISI marked SBR quality Tyton Rubber Gaskets (Push on joint type) as per IS: 5382-1985

& IS 12820-1989 (with up to date amendments) suitable for jointing of CI spun Tyton

pipes.


marking the pipes & rubber rings with ISI certification mark before inspection of material.

DOUBLE FLANGED HORIZONTAL CAST IRON PRESSURE PIPES

1. ISI marked, Double Flanged Horizontally cast iron pressure pipes shall conform to IS:

7181-1986 (with up to date amendments), Class B.

2. The standard length of pipes shall be 2.75 meter.

3. At the time of supply, the bidder shall issue a certificate that each and every pipe has been

tested for WORKS HYDRAULIC PRESSURE TIGHTNESS TEST as per IS Code with up

to date amendment.

4. The bidder shall submit attested photocopies of license granted by BIS authority for

marking the pipes & rubber rings with ISI certification mark. The license should clearly

indicate the validity & class covered in it.

DOUBLE FLANGED VERTICAL CAST IRON PRESSURE PIPES

1. ISI marked, Double Flanged Horizontally cast iron pressure pipes shall conform to IS:1537-1976 (with up to date amendments), Class B.

2. The standard length of pipes shall be 2.75 meter.

3. At the time of supply, the bidder shall issue a certificate that each and every pipe has been

tested for WORKS HYDRAULIC PRESSURE TIGHTNESS TEST as per IS Code (with

up to date amendment).


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marking the pipes & rubber rings with ISI certification mark. The license should clearly

indicate the validity & class covered in it.

SPECIFICATIONS FOR CEMENT

1. ISI marked, ordinary Portland cement grade 43 as per IS: 8112 (latest edition with upto

date amendments ) or Portland pozzolona cement as per ISI 489 (part I )

(latest edition with upto date amendments )

SPECIFICATIONS OF STEEL

1. ISI marked, high strength deformed steel bars (CTD bars) or TMT plant rolled bars grade

FE-500 as perIS: 1786/2008with up-to-date amendments.


marking the steel with ISI certification mark. The license should clearly indicate the validity

& class covered in it. The steel only procured from primary steel producers ( who produce

steel using iron ore as basic raw material)and have integrated plant such as SAIL, RINL,

IISCO , TISCO etc. shall be used .


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SPECIFICATIONS OF SPUN HEMP YARN

1. Spun Hemp Yarn shall conform to IS: 6587-1987 (with up-to-date amendments). It shall be

of variety No 3, (un-tarred) as specified in table-1 of IS: 6587-1987 (with up-to-date

amendments).

SPECIFICATIONS OF PIG LEAD

1. Pig lead shall be of purity 99.99% conforming to IS: 27-1977 with up-to-date amendment.

2. The pig lead shall be arranged Minerals & Metals Trading Corporation of India

Limited.

INSPECTION OF MATERIAL

Inspection of material except cement to be arranged by the contractor, for bonafide use on

this work, will be conducted at manufacturers premises. The inspection of cement will be

conducted by SDE incharge after it is brought at site by the bidder.

The inspection of the material shall be carried out by an officer dully authorized by the

Superintending Engineer, Punjab Water Supply and Sewerage Circle Patiala.

FACILITIES FOR TESTS AND INSPECTION

The bidder shall at his own expenses afford to the Inspecting Officer, all reasonable

facilities and such accommodation as may be necessary for such test and inspection. The

Inspecting Officer shall have full and free for access at any time, during the execution of

the contract to the manufacturers works from whom the supply of material is arranged for

the aforesaid purpose and he may require the bidder to make arrangement for inspection

of the material or any part thereof at his premises or at any other place specified by the

Inspecting Officer.

COST OF TESTS AND INSPECTION

The bidder shall provide without any extra charge, all material, tools, labour and

assistance of every kind in which the Inspecting Officer may require for any test and

inspection. The Inspecting Officer shall in his sole judgment be entitled to remove for test

and inspection any of the material to any premises other than his (manufacturer) premises.

LIABILITY FOR COSTS OF LABORATORY TEST

In the event of rejection of material or any part thereof by the Inspecting Officer which is

removed to the laboratory or other place of test, the contractor, on demand shall pay to the

Engineer-in-charge all costs incurred in such removal.


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METHOD OF TESTING

The Inspecting Officer shall have the right to put all the material or part thereof to such

tests as he may think fit and proper. The bidder shall not be entitled to object on any

ground what so ever to the method of testing by the Inspecting Officer.

REMOVAL OF REJECTED MATERIAL

If any material is rejected by the Engineer-in-charge after tests and inspection, the material

so rejected shall be removed from the premises of Engineer-in-charge by the bidder at his

own cost. Such rejected material shall under all circumstance lie at the risk of the bidder

from the moment of such rejection and if such material is not removed by the bidder within

a period of3 days, the Engineer-in-charge may dispose off such material in any way at the

bidders risk and cost of the bidder. The Engineer-in-charge shall also be entitled to

recover handling and storage charges if incurred during which period the rejected material

is not removed.

ENGINEER-IN-CHARGE/AUTHORISED REPRESENTATIVE RIGHT OF REJECTION

Not with standing any approval which the Engineer-in-charge may have given in respect of

the material it shall be lawful for the Engineer-in-charge to reject the material or any part

thereof, if the material or any part or portion thereof is not in conformity with the terms and

conditions of the NIT.

specifications for various civil works

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