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1. Public Works:
This work involves the procurement of materials, fabrication, and installation of stairs and working platforms, in accordance with technical specifications, safety standards, and approved design drawings.
2. Scope of Work:
- Material Procurement:
- The main materials include carbon steel (mild steel) or stainless steel, depending on requirements.
- Steel profiles for the stair structure and platform (such as UNP, CNP, WF, or Hollow sections).
- Chequered plates for step treads and platform flooring.
- Safety railings (handrails and mid-rails) made of pipes or hollow sections.
- Bolts and anchors that meet strength standards (grade 8.8 or equivalent).
- Fabrication & Preparation:
- Cutting, welding, and assembling the stair and platform structures in a workshop.
- Surface cleaning (sandblasting or using a wire brush).
- Finishing with anti-corrosion primer and top coat or hot-dip galvanizing, per specifications.
- Installation on Site:
- Marking anchor points and aligning the stairs and platforms in the work area.
- Installing the main structure using lifting equipment (chain block or crane).
- Welding joints and tightening bolts according to installation standards.
- Checking for level, slope, and structural integrity.
- Installing railings, steps, and safety platforms.
- Testing and Finishing:
- Conducting visual inspections and strength tests (load tests if necessary).
- Checking weld joints and bolts.
- Cleaning the work area after installation is complete.
3. Standards and Technical References:
- The work will reference standards such as OSHA, SNI 03-1730, and ASME B30 concerning access and working platforms.
- Safety is prioritized throughout the fabrication and installation processes ("Safety First").
- All tasks will be carried out by experienced and certified specialists.