Formwork pre-pour checklist

Site: ______________________ Date: ____________ Checked by: ______________________

01Design and paperwork

PE design on site if the formwork is over 9 m high, has multi-tier shores, or casts a slab or beam over 300 mm. Construction Regs reg 63
Drawings on site are the current revision, and any changes are endorsed by a PE. Construction Regs reg 63(3), (4)
Manufacturer's manual on site for any proprietary system; no mixing of systems without PE approval.
Formwork supervisor appointed in writing, trained, and present during erection. Construction Regs reg 60

02Base and shores

Ground or slab under the shores matches the design assumption; no soft or backfilled ground.
Sole plates under every shore that stands on the ground. Construction Regs reg 59(3)
Shores seated top and bottom, plumb, and secured against movement. Construction Regs reg 59(2)
Shore size and spacing as shown on the drawing; adjustable props locked. Construction Regs reg 59(4)

03Bracing and connections

Horizontal and diagonal bracing in both directions, as designed. Construction Regs reg 59(1)
Multi-tier frames or shores connected vertically. Construction Regs reg 58(3)(a)
Every clip, pin, coupler and tie in place and tight; no damaged components.
Shores protected from vehicles and swinging loads.

04Deck, edges and access

Guard-rails or other edge protection on open edges of the deck.
Safe access to and around multi-tier formwork for inspection, with access points signed. Construction Regs reg 58(3)(b), (c)
Rebar adequately supported so it cannot collapse. Construction Regs reg 67
Completion inspection recorded in the formwork register. Construction Regs reg 62

05Before and during the pour

PE certificate issued after inspection, covering any alterations. Construction Regs regs 64, 65(3)
Pour sequence and rate agreed and briefed to the concreting crew.
Area under and around the formwork cleared of people not needed for the pour. Construction Regs reg 65(4)
Formwork supervisor watching the structure from a safe position throughout the pour. Construction Regs reg 65(5)

06Striking and reshoring

Concrete confirmed set before any striking starts, and striking authorised by a competent person. Construction Regs reg 66(2)
Stripped materials removed or stacked away from work areas and walkways. Construction Regs reg 66(3)
Nails, wire ties and other sharp leftovers pulled, cut or made safe. Construction Regs reg 66(4)
Reshores in place where needed, seated, secured, inspected and recorded. Construction Regs reg 68

Legal requirement

Under Singapore's Construction Regulations 2007, formwork must carry all loads with a safety factor of at least 2, and a trained formwork supervisor must be present whenever it is erected, altered or struck. Formwork over 9 metres high, with shores in two or more tiers, or casting slabs or beams over 300 mm thick, must be designed by a PE and certified before use. No concrete goes into PE-designed formwork until the PE has inspected and certified it.

This is practical guidance, not legal advice. Laws and codes of practice change; always check the current official text and your site's own procedures.

Formwork pre-pour checklist

01Design and paperwork

02Base and shores

03Bracing and connections

04Deck, edges and access

05Before and during the pour

06Striking and reshoring

Sources and further reading

Related reading

Formwork and temporary works safety: what supervisors need to know

Toolbox talk: formwork

How to report a workplace accident in Bangladesh