Skip to content
Technical requirements of formwork:
- Formwork should be of the desired shape, size and and fit at the location of the member in structure according to the drawings.
- Formwork shall be carefully selected for required finish surface and linings to produce the desired concrete surface.
- Formwork should withstand the pressure of fresh concrete and working loads and should not distort or deflect from their position during the concrete placing operation.
- Formwork should support the designed loads any other applied loads during the construction period.
- The formwork must not damage the concrete or themselves during removal from structure.
- Panels of the formwork should be tightly connected to minimize gap at the formwork connection to prevent leakage of cement paste.
Functional requirements of formwork:
- Form sections should be of the size that can be lifted and transported easily from one job site to another.
- Formwork should be dismantled and moved as easily as possible so that construction of the building advances.
- Formwork Units must be interchangeable so that they can be used for forming different members.
- Formwork shall be designed such that it fits and fastens together with reasonable ease.
- Forms should be simple to build.
- Formwork should be as lightweight as possible without any strength reduction.
- Forms should be made such that workers can handle them without any safety issue, respecting the Health, Safety, and Hygiene Regulation in effect.
CLEANING AND STORAGE OF FORMWORK:
- Formwork as soon as it is removed, cleaned with a stiff brush.
- Dust, dirt, stubborn bits of concrete or grout removed.
- Timber surface and uncoated ply coated with release agent before storing.
- Steel form coated lightly with oil to prevent corrosion.
- Damaged formwork sorted out and repaired before storage.
- Depressions, nail holes repaired with suitable materials and lightly rubbed down to give smooth surface.
- Panels and plywood sheets stored on a horizontally levelled floor.
- Panels stored face to face to protect the surface.
- Storage area protected from rain and moisture and well ventilated.
- All formwork materials stacked off the ground.
- Loose wailing, soldiers (struts) etc. stored with respective panels after numbering for proper match when reused.
- Bolts, nuts, champs, pins, wedges, keys and ties stored in separate bins or boxes.