Table of Contents
In this article, we will discuss a checklist of formwork.
1. Introduction
Formwork (also called falsework, centering, and shuttering) may be defined as the timber or other materials which are used to form molds into which concrete is poured at the site.
2. Checklist of Formwork
| Steps | Inspection | Checked |
| 1. | Formwork should be the strong and exact dimension. | |
| 2. | Sheeting must be well oiled before pouring the concrete. | |
| 3. | Install formwork by keeping the proper gap. | |
| 4. | Install the formwork with the help of Nut and bolt. | |
| 5. | Before, placing concrete spray water and cement. | |
| 6. | Pouring of concrete is done by using the vibrator. | |
| 7. | Stop vibration when air no longer escapes from the concrete. | |
| 8. | Do curing daily by spraying water or keeping wet jute. |
2. Size of Formwork
| Formwork Size | Spacing | Checked |
| Beam | 9″ ×12″ | |
| Slab | 5″ to 6″ | |
| Columns | Minimum 9” x 9” inches | |
| Walls | 9” for outer walls | |
| 4.5″ for internal partition walls |
4. Checklist For Removal of Formwork
| S. No. | Description of a structural member | Time Period | Checked |
| 1 | Walls, columns, and vertical sides of beams | 1 to 2 days | |
| 2 | Slabs (props left under) | 3 days | |
| 3 | Beam soffits (props left under) | 7 days | |
| 4 | Removal of props to slabs | ||
| (a) For slabs spanning up to 4.5 m | 7 days | ||
| (b) For slabs spanning over 4.5 m | 14 days | ||
| 5 | Removal of props to beams and arches | ||
| (a) Spanning up to 6 m | 14 days | ||
| (b) spanning over 6 m | 21 days |
| Read Also: Types of Formwork |