Boai Mobile Toilet Construction Plan

The Boai mobile toilet construction plan should cover construction preparations, procedures, requirements, and precautions, as detailed below:

I. Construction Preparations

1. Site Survey
   Verify the site's load-bearing capacity, inspect for underground pipelines, high-voltage cables, and geological hazards within a 3-meter radius; ensure that the water supply connection is no more than 15 meters away and the sewage connection is no more than 20 meters away to avoid pipeline losses.
2. Material and Equipment Preparation
   Prepare in advance materials such as mobile toilet units, functional components (toilets, sinks), expansion anchors, PPR water supply pipes, UPVC sewage pipes, as well as tools like wrenches and spirit levels; coordinate the use of a 5-ton or larger truck-mounted crane and a temporary storage area.
3. Personnel and Documentation Preparation
   Assign 1 rigging worker, 2 plumbers and electricians, and 2 general workers, and complete safety briefings; obtain approvals for temporary construction site use and road occupancy.

II. Construction Procedures

1. Foundation Treatment
   For hardened ground, clear debris and grind for leveling, with a flatness error of ≤1 cm per square meter; for soft ground intended for long-term use, excavate a 30 cm pit, lay a gravel bed, and pour 15 cm of C20 concrete, curing for 3 days; for temporary use, lay a 2 cm anti-slip steel plate and compact with gravel.
2. Unit Hoisting and Positioning
   Designate a warning area, secure the four hoisting rings with slings, and lower horizontally and slowly; after positioning, use a level to measure the flatness of the four corners, adjusting with thin steel plates if the error exceeds 0.5 cm.
3. Functional Unit Installation
   Connect fixtures such as toilets and sinks and test for stability; install lighting and ventilation equipment and debug their functions; lay anti-slip flooring, install doors and windows, and enhance sealing with waterproof materials and sealants.
4. Commissioning and Acceptance
   Inspect the operation of the water supply and drainage, electrical, and ventilation systems; verify the stability of supports, the waterproofing effect of the roof, and the anti-slip properties of the flooring.

III. Construction Requirements

1. Quality Standards
   Strictly follow design drawings and specifications, strengthen process control; conduct self-inspections, mutual inspections, and special inspections after construction to ensure compliance with design requirements.
2. Safe and Civilized Construction
   Set up warning signs and designate warning areas; protect the site environment and promptly clean up standing water.
3. Schedule Arrangement
   1 day for preliminary preparations, 1 day for measurement, 2 days for foundation construction, 3 days for unit installation, and 1 day for commissioning and acceptance, totaling 8 days.

IV. Precautions

For soft ground, choose between a concrete foundation or an anti-slip steel plate solution based on the intended duration of use; assign dedicated personnel for hoisting operations to prevent collisions; during acceptance, focus on inspecting the connections of drainage pipes, the waterproofing of the roof, and the operation of electrical equipment. The plan can be further optimized based on site conditions and the intended duration of use.