Internal and External of GRP
Internally Reinforced System
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|
No |
Name |
Material |
|
1 |
Manhole panel |
GRP |
|
2 |
External ladder |
SS400(HDG) |
|
3 |
Internal ladder |
GRP (Pultrusion) |
|
4 |
Internal Tie Rod |
STS(PET coating), STS 304, 316 |
|
5 |
Internal bracket |
STS(Powder coating), STS 304, 316 |
|
6 |
Flange bra, Flat Bar |
SS400(HDG) |
|
7 |
External bracket |
SS400(HDG) |
|
8 |
Corner bracket |
SS400(HDG) |
|
9 |
Bottom bracket |
SS400(HDG) |
|
10 |
Corner frame |
|
|
No |
Name |
Value |
|
11 |
Roof support pipe |
|
|
12 |
Base frame |
SS400(HDG) |
|
13 |
Bolts and Nuts |
Inside STS: Bolt/ Nut(304, 316), Washer(316) Roof Panel: acetyl cap bolt(M10) Outside: HDG Bolt + PVC Bolt cap Connection: HDG + Acetyl Cap(M14) Size: M10, M14 |
|
14 |
Sealing Tape |
PVC Sealant + Butyl or EVA Sealant + PVC Sealant |
|
15 |
Water Level Gauge |
Aluminium Case+ PE Clear Tube+ Socket |
|
16 |
Name Plate |
Aluminium (Water Tank Safety Management Instructions) |
Externally Reinforced System
|
No |
Name |
Material |
|
1 |
Manhole Panel |
GRP |
|
2 |
External ladder |
SS400(HDG) |
|
3 |
Internal ladder |
GRP(Pultrusion) |
|
4 |
Internal Bracket |
STS(Powder coating), STS304, 316 |
|
5 |
External Support Tie-rod |
SS400 + Urethane coating |
|
6 |
External Pair Frame |
SS400(HDG) |
|
7 |
Corner Bracket |
SS400(HDG) |
|
8 |
Corner Frame |
SS400(HDG) |
|
9 |
Roof support pipe |
GRP(Pultrusion) |
|
No |
Name |
Material |
|
10 |
Base frame |
SS400(HDG) |
|
11 |
Bolts and Nuts |
Inside STS: Bolt/ Nut(304, 316), Washer(316) Roof Panel: acetyl cap bolt(M10) Outside: HDG Bolt + PVC Bolt cap Connection: HDG + Acetyl Cap(M14) Size: M10, M14 |
|
12 |
Sealing Tape |
PVC Sealant + Butyl or EVA Sealant + PVC Sealant |
|
13 |
Water Level Gauge |
Aluminium Case+ PE Clear Tube+ Socket |
|
14 |
Name Plate |
Aluminium (Water Tank Safety Management Instructions) |
Strength & Durability of GRP Water Tank
|
Section |
Design Standard |
|
Hydrostatic Pressure |
Water pressure reinforcement 4 times standard Transformation rate in filled u with water: Less than 1% form water tank heigh |
|
Wind force |
Less than 60 m/sec |
|
Earthquake Force |
Stable and safe till magnitude 5.0 (Over magnitude 5.0, it needs additional reinforcement) |
|
Snow Load |
60 Kg/m2, Snow fall less than 30 cm |
|
Illumination Rate |
Less than 0.1% |
|
|
No leakage under condition of vertical 100Kg after install of 100A fitting with 70mm span support |
|
Water Temperature |
Usable temperature: Less than 30 degree C / Limited temperature: Max 70 degree C |
|
Water quality |
Tap water, well water: chlorine below 50 mg/l Seawater: application Externally reinforced water tank (max 3m height) |
Stress analysis of GRP Panel
GRP Water tank panel is designed with special shape for maximizing safety against stress and deformation, so it has better structural strength than normal circle designed panel.
- As GRP Water panel is manufactured by oil-hydraulic press under high temperature and high pressure, it maintains top water pressure strength and there is no dimensional deviation by temperature change.
- As GRP Water panel is manufactured by oil-hydraulic press under high temperature and high pressure, it maintains top water pressure strength and there is no dimensional deviation by temperature change.
