the evolution of tank technology is revolutionizing water ... · 6.12.2016  · interior view of...

The Evolution of Tank

Technology is Revolutionizing

Water Collection and Reuse

System Design

Jim Bransfield, Infiltrator Water Technologies

December 6, 2016

Minoan water cistern at the house

complex in the vicinity of Chamaizi,

near the town of Sitia in the eastern

Crete

Excavated cisterns at Myrtos–Pyrgos date back

to the middle Minoan period (ca. 1700 BC).

photo copyright by L.W. Mays

The slab-covered cistern of the Sanctuary of Heraion at Loutraki Attika

Hellenic Period (ca. 300 BC).

Interior view of the three-aisled vaulted

Roman cistern in the ancient town of

Aptera, Chania (volume of about 3000 m3).

Roman period (ca. 27 BC – 395 AD).

Central cistern on island of Delos

(by G.P. Antoniou).

Ottoman cistern located near Bodrum, Turkey (photo copyright by L.W.

Mays). Ottoman period (ca. 1669–1898)

Has much changed since

then?

Cross-section of the pear-shaped dated to the Byzantine times.

Strong shapes never die?

Strong shapes never die?

Strong shapes never die?

The Roman Arch still kicking !

Has conveyance changed?

What has

changed?

Poly Tanks Above Ground

Poly Tanks

Below

Ground

GRP Tanks

Concrete Tanks

MetalTanks

What have these improvements

provided for us?

Easy Installation

Watertight?

History

TW Sectional View

The TW Tanks

Had a few

Issues

Injection

Molding

Precise Wall Thickness

Strength

IM Sectional View

Gasket

Horizontal

center

structure

provides

stability

and prevents

folding

Gasket “Christmas tree” design

“Branches” bend upon

engagement and contact

sufaces of groove to

create watertight seal

Step

1

Step

2

Step

3

Step

4

What’s

next?

• Insert Water Images

Thanks for

listening!

• Insert Water Images

Source:

History of Water Cisterns: Legacies and Lessons

Larry Mays 1,*, George P. Antoniou 2 and Andreas N. Angelakis 3

Published: 21 November 2013