01 · 2m × 2m heavy duty tarp
Tarp Funnel
Funnels rain to centre bulkhead fitting. Corner grommets attach to PVC frame rails at top corners.
02 · 75cm × 120cm × 110cm
PVC Frame
75cm narrow side fits through standard Thai door. Carry lengthways. Rectangular footprint, 4 legs at 110cm.
03 · Perimeter ring + center cross at 49cm
Bucket Platform
4 perimeter rails connect all 4 legs at 49cm. 2 center cross braces connect midpoints. Bucket sits visibly on center cross.
04 · 8cm drain pipe
Bulkhead + Drain Stub
Bulkhead seals tarp centre at 92cm. 8cm drain stub connects to bucket top. Gravity flow only.
05 · 20L food grade · 4 media layers
Filter Bucket
Elevated on platform. Tap at 52cm from ground. 5-gallon jug slides underneath with 12-14cm clearance.
06 · 5 gallon · sits on ground
Output Jug
Slides under bucket tap before rain. Tap at 52cm, jug top at 38cm. 14cm clearance. Set and walk away.
PIPE CUT LIST — TAKE TO CASTLE HARDWARE
4 PIECES
110 cm
43.3 in
Vertical legs
4 PIECES
120 cm
47.2 in
Depth rails + cross
4 PIECES
75 cm
29.5 in
Width rails + cross
1 PIECE
8 cm
3.1 in
Drain stub
TOTAL: Frame is 75cm wide × 120cm deep. Narrow 75cm side fits through standard 80cm Thai door. 13 cuts total from 4 × 10ft pipes.
USER EXPERIENCE: Set up the unit before a rainstorm. Slide a 5-gallon jug under the tap. Rain fills the tarp, runs through the filter, drips into the jug. Walk away. Come back to clean water.