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77000 Gallon Steel Water Tank

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Part Number: AMT-UR3D512-WS
Capacity: 77000 Gallons
Size: 512"D x 87"H
Weight: 0 lbs.
Ships From: TX
View Technical Drawing
Call for Shipping Rate 866-926-5603 or Email

Site Preparation Instructions
Aquamate Warranty 20 Year “No Leaks”

77,000 Gallon Steel Water Tank

UR3D512 Water Tank - Technical Specification


Diameter: 512”
Shell height: 87”
Overall height: 100”
Nominal Volume: 77,500 Gallons

Tank Structure

Tank Shell
23 gauge corrugated steel panels with G145 galvanized coating
Mechanically galvanized high tensile fasteners

Roof Structure
Welded square HSS support frame with hot dipped galvanized coating
26 gauge corrugated steel cover sheeting

Tank Liner

Liner Material
20mil polyethylene geomembrane
700% elongation at break ASTM D638
2,000min HPOIT ASTM D5885
Mechanically fastened at 80” centers
NSF 61 certified for potable water use

Cushion Layer
Needle free non-woven polyester geotextile underlay


20 year “No Leaks” pro rata warranty in accordance with standard terms and conditions


Either a 20” roof inlet basket with UV guard or a 2” GFN bulkhead inlet in the wall.

2” GFN bulkhead with Ni coated ball valve, schedule 40 PVC connection

2” GFN bulkhead with Ni coated ball valve, schedule 40 PVC connection

6” ASA overflow with internal vertical orifice and PVC overflow pipework to ground with flap valve and mosquito screening


30” lockable hinged roof access hatch
Light duty removeable galvanized steel ladder

Level Monitoring
Mechanical level indicator

Foam roof seal for dust and vermin protection

Environmental Design Parameters

Design Loads: ASCE 7-10

Wind 105mph

Seismic Zone A

Snow 5psf

Steelwork: AISC 360-10

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