| SI.N | Code book used (Description) | IS Code number |
|---|---|---|
| 1662 | Design and construction for ground improvement – Guidelines, Part 1: Stone columns | IS 15284-1:2003 |
| 1663 | Design and construction for ground improvement – Guidelines, Part 2: Preconsolidation using vertical drains | IS 15284-2:2004 |
| 1664 | Compendium of Indian Standards on Soil Engineering: Part-1 LaboratoryTesting of Soils for Civil Engineering Purposes | SP 36-1:1987 |
| 1665 | Compendium of Indian Standards on Soil Engineering: Part 2, Field Testing of Soils For Civil Engineering Purposes | SP 36-2:1988 |
