Unit of Measure

Specifications

Diameter

N/A 42 ft 8 in.

Shell Height

N/A 9 ft 6 in.

Overall Height

N/A 10 ft 7 in.

Nominal Volume

N/A 101500 gal

Tank Structure

Tank Shell

N/A 23 gauge corrugated steel panels with G145 galvanized coating Mechanically galvanized high tensile fasteners

Roof Structure

N/A 26 gauge corrugated steel cover sheeting Welded square High Speed Steel (HSS) support frame with hot dipped galvanized coating

Tank Liner

Liner Material

N/A 2,000 min High Pressure Oxidative Induction Time (HPOIT) ASTM D5885 (American Society for Testing and Materials) 20 mil Polyethylene Geomembrane 700 % Elongation at Break ASTM D638 (American Society for Testing and Materials) Mechanically Fastened at 80" centers NSF 61 (National Sanitation Foundation) Certified for Potable Water Use

Cushion Layer

N/A Needle free non-woven polyester geotextile underlay

Warranty

Warranty

N/A 20 years "No Leaks" pro rata warranty in accordance with standard terms and conditions

Fittings

Inlet

N/A Either a 20 in. roof inlet basket with Ultraviolet (UV) guard or a 2 in. GFN bulkhead inlet in the wall.

Outlet

N/A 2" GFN bulkhead with Nickel (Ni) coated ball valve, schedule 40 Polyvinyl Chloride (PVC) connection

Drain

N/A 2 in. GFN bulkhead with Nickel (Ni) coated ball valve, schedule 40 Polyvinyl Chloride (PVC) connection

Overflow

N/A 6 in. ASA overflow with internal vertical orifice and Polyvinyl Chloride (PVC) overflow pipework to ground with flap valve and mosquito screening

Accessories

Access

N/A 30 in. lockable hinged roof access hatch Light duty removable galvanized steel ladder

Level Monitoring

N/A Mechanical level indicator

Miscellaneous

N/A Foam roof seal for dust and vermin protection

Environmental Design Parameters

Design Loads

N/A American Society of Civil Engineers (ASCE) 7-10

Wind Speed

N/A 105 mph

Seismic

N/A Zone A

Snow Pressure

N/A 5 lb/ft²

Steelwork

N/A American Institute of Steel Construction (AISC) 360-10