TECHNICAL SPECIFICATION FOR G.I. BARBED WIRE. (SPECIFICATION NO.MM/I/G.I.BARBED WIRE/2006) (Dt )

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1 TECHNICAL SPECIFICATION FOR G.I. BARBED WIRE (SPECIFICATION NO.MM/I/G.I.BARBED WIRE/2006) (Dt ) MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 1 OF 6

2 1. SCOPE: TECHNICAL SPECIFICATION FOR G.I. BARBED WIRE (SPECIFICATION NO. M/I/G.I.BARBED WIRE/2006) The specification covers design, manufacture, shop testing, packing and delivery of G.I. Barbed wire by road/ rail in the State of Maharashtra. 2. SERVICE CONDITIONS: Equipment to be supplied against this specification shall be suitable for satisfactory continuous operation under the following tropical conditions. 2.1 Maximum ambient temperature (deg C) Maximum temperature in shade (deg C) Minimum temperature in air (deg C) in shade Relative Humidity (%) 10 to Maximum annual Rainfall (mm) Maximum Wind Pressure (kg/mm2) Maximum altitude above mean sea level (Meters) Isoceraunic level (days/year) Seismic level (Horizontal acceleration) 0.3 g Moderately hot and humid tropical climate, conducive to rust and fungus growth. 3. STANDARDS: Unless otherwise specified elsewhere in this specification, the rating as well as performance and testing of the G.I.Barbed wire shall conform to the latest revisions available at the time of placement of order of all the relevant standards but not limited to as listed below. 1) IS 278 / ) IS 4826 / ) IS 6594 / GENERAL TECHNICAL REQUIREMENTS: G.I. Barbed wire shall be of type IOWA with size and dimensions as under:- Line wire mm Point wire mm MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 2 OF 6

3 Distance between two bars shall be 75 mm ( + 12 mm ). Wire shall be medium coated by Hot Dip Galvanization as per IS 4826 / 1979 with upto date amendments. However, other specific technical particulars shall be as per Annexure- I. 5. TESTING FACILITIES : The supplier / tenderer shall clearly state as to what testing facilities are available in the works of manufacturer and whether the facilities are adequate to carry out all the tests specified in the above IS Specifications. The facilities shall be provided by the bidder to employer s representative for witnessing the tests in the manufacturer s works. If any test cannot be carried out at manufacturer s works reason should be clearly stated in the tender. 6. PACKING : The wires shall be supplied in 40 to 60 kg per coil. The packing should be done in accordance with IS 6594 / 1977 or the latest versions thereof. However, the wire shall be supplied in coils ( and not in reels ). Each coils shall be suitably bound and fastened compactly and shall be protected by suitably wrapping. 7. SCHEDULES: 7.1 The tenderer shall fill in the following schedule which form part of the offer. Schedule `C' - Tenderer's Experience. 7.2 The tenderer shall submit the list of orders for similar type of equipments, executed or under execution during the last three years, with full details in the schedule of Tenderer's experience (Schedule `C') to enable the employer to evaluate the tender. MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 3 OF 6

4 SCHEDULE - C SCHEDULE OF TENDERER'S EXPERIENCE Tenderer shall furnish here a list of similar orders executed/under execution by him to whom a reference may be made by employer in case he considers such a reference necessary Sr. Name of client Value Period of supply Name and address to No. and description of order and commissioning whom reference may be made NAME OF FIRM NAME & SIGNATURE OF TENDERER DESIGNATION DATE MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 4 OF 6

5 ANNEXURE-I SPECIFIC TECHNICAL PARTICULARS FOR 2.5 MM X 2.0 MM G.I.BARBED WIRE SR.NO. PARTICULARS REQUIREMENTS 1. Size of wire- mm Line wire- 2.5 mm mm Point wire- 2.0 mm mm 2. Type of Barbed Wire Iowa Type Tensile strength of line wire Minimum breaking load of completed Barbed wire 390 to 590 N/mm² 3.7 kn 5. Mass of complete Barbed wire a) Minimum 115 gms / Mtr. 6. Distance between two Barbs ( ) mm 7. No. of lays between the Barbs ( minimum ) 4 8. Method of Galvanising Hot dipped according to IS:4826 /1979 with medium coating Mass of coating (minimum) No. of dips the wire is able to withstand without copper coating A) For Line Wire a) One minute Line wire- 110 gms/mtr² Point wire- 105 gms/mtr² ( testing after barbing ) ( testing after barbing ) 2 1 MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 5 OF 6

6 b) Half minute B) For Point Wire a) One minute b) Half minute 2 Nil MAHARASHTRA STATE ELECTRICITY DISTRIBUTION COMPANY LTD. PAGE 6 OF 6