M16, 300mm Long Bolt Nut and Washer

3.1   M16, 300mm long bolt nut and washer 
3.11.1 Standard
BS 4190 or equivalent is acceptable.
3.11.2 Design
Long bolt nominal diameter (d) 16 mm and lead 2.
Minor threaded diameter (dk) 14mm.
Thickness of head (k) as per BS standard
The nut shall fit long bolt threaded diameter.
Thickness of nut head (m) as per BS standard
Width of head across flats (s) as per BS standard.
Width of head across angle (e) as per BS standard
Washer diameter (d1) as per BS standard.
Thickness of washer as per BS standard.
Inside diameter of washer (h) as per  BS standard
To protect corrosion long bolt shall be well hot dip-galvanized.
3.11.3. Guaranteed Value
The following values are guaranteed by the manufacturers as stipulated by the guaranteed characteristics table
* Threads of long bolt shall be according to the design dimension.
* Each and every dimension according to the given drawing.
3.11.4 Testing
The following testing shall be carried out.
           a.   Visual inspection
           b. Size inspection
           c.    Galvanizing test

3.1 Earthing Rod with Clamp
Profiled earthing rods of hot dip galvanized steel with connecting lugs. Cross-section and length of profile shall be 50x50x3 mm and 3 m long, respectively. The earthing rod should also be in accordance with the corresponding drawing of this tender.
Earthing rod clamps suitable for stranded copper conductor of 25-35 mm2.
 
3.10.1 Guaranteed Value
 
The following values are guaranteed by the manufacturers as stipulated by the guaranteed characteristics table
* Each and every dimension according to the given drawing.
 
3.10.2. Testing
 
The following testing shall be carried out.
 
           a.   Visual inspection
           b. Size inspection
           c.    Galvanizing test

 Standard :BS or equivalent is acceptable.
 Design
– Small collar nominal diameter (d) 12 mm and lead 2.
– Minor threaded diameter (dk) 10mm.
– Thickness of head (k) as per BS standard
– The nut shall fit small collar threaded diameter.
– Thickness of nut head (m) as per BS standard
– Width of head across flats (s) as per BS standard.
– Width of head across angle (e) as per BS standard
– Washer diameter (d1) as per BS standard.
– Thickness of washer as per BS standard.
– Inside diameter of washer (h) as per  BS standard
To protect corrosion small collar shall be well hot dip-galvanized.
3.13.3 Guaranteed Value
The following values are guaranteed by the manufacturers as stipulated by the guaranteed characteristics table
* Threads of small collar shall be according to the design dimension.
* Each and every dimension according to the given drawing.
3.13.4. Testing
The following testing shall be carried out.
           a.   Visual inspection
           b. Size inspection
           c.   Galvanizing test
 Big collar, type 2
Standard

BS or equivalent is acceptable.
 Design
– Big collar nominal diameter (d) 16 mm and lead 2.
– Minor threaded diameter (dk) 14mm.
– Thickness of head (k) as per BS standard
– The nut shall fit big collar threaded diameter.
– Thickness of nut head (m) as per BS standard
– Width of head across flats (s) as per BS standard.
– Width of head across angle (e) as per BS standard
– Washer diameter (d1) as per BS standard.
– Thickness of washer as per BS standard.
– Inside diameter of washer (h) as per  BS standard
To protect corrosion big collar shall be well hot dip-galvanized.
. Guaranteed Value
The following values are guaranteed by the manufacturers as stipulated by the guaranteed characteristics table
* Threads of big collar shall be according to the design dimension.
* Each and every dimension according to the given drawing.
 Testing
The following testing shall be carried out.
 
           a.   Visual inspection
           b. Size inspection
           c.    Galvanizing test

Tie Strap
The strap shall have a cross section dimension of 50 x 5 mm
The strap shall have a cross section dimension of 50 x 5 mm.
The strap manufactured for suspension/intermediate assembly according to the given drawing (see the drawing)
Yield strength of tie strap must be 240N/mm2.
To protect tie strap from corrosion it shall be hot dip-galvanized.

Guaranteed Value
The following values are guaranteed by the manufacturers as stipulated by the guaranteed characteristics table
§ Each and every dimension
§ Material strength.
3.7.4. Testing
The following testing must be carried out.
a. Visual inspection
b. Size and dimension verification.
 U channel cross-arm for 33kV

Any standard equivalent to GB/T 707 1988, 80×43, 5/8 and 100×48, 5.3/8.5 is accepted.
For suspension, T-off, angle and dead end assembly shall have a cross section dimension of
80 x 43 x 5/8mm
For transformer base U-cross arms shall have a  dimension of 100x48x5.3/8.5
U-cross arms manufactured for suspension, T-off, angle, dead end and transformer base
assembly as per the drawing
To protect U-cross arms against corrosion U-cross arms shall be hot dip-galvanized
Yield strength of U-cross arm 240N/mm²

Dead end hook 382
Hook threaded nominal diameter (A) 16mm
Minor threaded diameter (W) 14
Thickness of nut (M), washer diameter and thickness as per BS standard
Yield strength of pin must be 240N/mm²
LV Hook from corrosion it shall be hot dip-galvanized
Visual inspection
Size inspection
 Galvanizing test
Strength test

Suspension hook M16-380
Hook threaded nominal diameter (A) 16mm
Minor threaded diameter (W) 14
Thickness of nut (M), washer diameter and thickness as per BS standard
Yield strength of pin must be 240N/mm²
To protect LV Hook from corrosion it shall be hot dip-galvanized
Testing
Visual inspection
Size inspection
Galvanizing test
Strength test

The following testing shall be carried out

Dead End Clamp ,Anchoring Clamp

The clamps should be designed to Anchor LV AB cable with insulated messenger. The clamp
should anchor/hold the neutral messenger without damaging the insulation.
The clamp should conform to the standard NFC 33041 and 33042 or equivalent. The clamp
body should be made of corrosion resistant Aluminium alloy, bail should be of stainless steel
and self adjusting wedges should be weather and UV resistant polymer.
Anchoring assemblies are used to firmly attach the messenger of ABC to a support and
transmit the mechanical tension at the end of a run or to the supporting structures at a major
change in direction.
 

TYPE:APG-C4
NAME:Parallel groove clamp APG-C4
Specification
 

  Al 35-300mm²     Size 105*65mm  Tri-bolts  Bolt M10*60  Weight 560g