The different types of chains used in surveying are:

- Metric Chains
- Gunter's Chain or Surveyor's chain
- Engineer's chain
- Revenue chain
- Steel Band or Band Chain

### 1. Metric Chain in Surveying (IS : 1492-1970)

- Most commonly used chain in India
- Available lengths are 5, 10,20 and 30m. Most commonly used chain is 20m.
- For quick reading, tallies are provided at an interval.
- Tallies are provided every 1m for 5 and 10m metric chains, and every 5m for 20 and 30m metric chains.
- Brass rings are provided at every 1m interval.
- The brass handle shows the total length of the chain.

Metric Chain in Surveying (IS : 1492-1970) |

### 2. Gunter's Chain in Surveying

- Gunter's chain is also called as surveyor's chain.
- 66 feet = 100 links
- 1 link = 0.6ft
- Measurement in furlongs and miles.
- 10 Gunter's chain = 1 furlong
- 80 Gunter's chain = 1 mile

### 3. Engineer's Chain

- It is 100 feet long with 100 links
- 1 link = 1 feet
- Distance measured in feet and decimals.

4. Revenue Chain

- It is 33 feet long with 16 links.
- 1 link = 2 (1/16) feet.
- It is used in cadastral survey.

### 5. Steel band or band chain

Tags: Foundation, Construction
Surveying