RCC Fencing Poles

SPECIFICATION FOR RCC FENCING POLES

This specification lays down various technical details for RCC Fencing poles of following two types:

• (A) Straight type
• (B) Bend type

(A) Straight type

• RCC Fencing poles shall be following lengths
• i) 1.6 mtrs.
• ii) 1.8 mtrs.
• iii) 2.0 mtrs.
• iv) 2.3 mtrs.
• v) 2.45 mtrs.

1. Reinforcement:

• i) Main vertical bars shall be of 6.0mm dia round MS bars.- 4 Nos.
• ii) Stirrups shall be of 6 mm dia round MS bars 20 cms cetre to centre.
• 09 Nos. Stirrups for 1.6mtrs. pole
• 10 Nos. Stirrups for 1.8mtrs. pole
• 11 Nos. Stirrups for 2.0mtrs. pole
• 12 Nos. Stirrups for 2.3mtrs. pole
• 13 Nos. Stirrups for 2.45mtrs. pole

2. Hooks for fixing barbed wire:

Hooks shall be made of 6 mm dia MS bar Hooks 5 Nos. be provided for fixing barbed wire in 1.6/1.8 mt. long poles. 6 Nos. hooks be provided for fixing barbed wire in 2.0 mt. long poles. 7 Nos. hooks be provided for fixing barbed wire in 2.3/2.45 mt. long poles. Top hook should be provided 100mm below the top of pole and bottom hook should be provided 500 mm above the bottom of the pole. The central distance between the top and bottom hooks shall be equally divided to fix remaining hooks.

3. Dimensions: -

(a) Section of Poles for size 1.6 mtrs., 1.8 mtrs., 2.0 mtrs, 2.3 mtrs. as given under:-

• i) Bottom : 10 cms x 10 cms, square
• ii) Top : 8 cms x 8 cms. square.

(b) Section of Pole for size 2.45 mtrs. shall be as given under:-

• i) Bottom: 15cmx15cm square
• ii) Top 10cmsx10cms square

(B) BEND TYPE

These are further classified into two types Type-I & Type-II

TYPE-I

1. Reinforcement:

• i) Main vertical bars: 4 Nos. of 8 mm dia round MS bars.
• ii) Stirrups: 6mm dia round M S bars not more than 25cm centre to centre (13 Nos.)

2. Hooks for fixing barbed wire:

12 nos. hooks be provided for fixing barbed wire in each fencing pole. Top hook should be provided 50mm below the top of pole and bottom hook should be provided 650mm above the bottom of the pole. Hooks shall be provided at equidistance.

3. Dimensions:

• Height of vertical (straight) column : 2.45 mtrs.
• Length of taper column : 45 cm
• Angle between vertical column and taper column : 45 degree
• Cross Section of Pole: At bottom end 17x17cm
• At top (where the taper column start : 13 x 13cm
• At Top end : 10x 10 cm.

TYPE-II

1. Reinforcement:

• i) Main vertical bars: 4 Nos. of 10 mm dia round MS bars.
• ii) Stirrups: 6mm dia round M S bars not more than 15cm centre to centre (25 Nos.)

2. Hooks for fixing barbed wire:

16 nos. Hooks be provided for fixing barbed wire in each fencing pole. Top hook should be provided 100 mm below the top of pole and bottom hook should be provided 750 mm above the bottom of the pole. Hooks shall be provided at equidistance.

3. Dimensions:

• Height of vertical (straight) column: 03 mtrs.
• Length of taper column : 75 cm
• Angle between vertical column and taper column: 45 degree
• Cross Section of Pole: At bottom end 15x15 cm
• At top (where the taper column start : 10 x 10 cm
• At Top end : 7.5x 7.5 cm.

General Requirements for both types of poles: -

• a. Cement Concrete Mix :
• Cement concrete to be used having the mix of ratio 1:2:4 (cement : sand : metal or coarse aggregate). with 12.5 mm nominal size coarse aggregate. Sand used should be free from clay & salt. Concrete Mix shall be conforming to Grade M-15 of IS:456:2000 (with upto date amendments).
• b. Manufacturing:
• In order to ensure desired compressive strength, RCC fencing poles should be compacted with the help of plat form vibrator. Surface shall be uniform and free from voids. The concrete cover over the reinforcement shall not be less than 15mms.