"Poly-Rib" has now become an household name in the field of on-site sanitation, and since we launched the product ten years ago, the demand has increased almost daily; across a wide spectrum of private and commercial consumers requiring the ultimate in a maintenance-free on-site sewage disposal system. Our back-up 24-hour service by way of a personal advisory facility and supply, is a quality rarely found today. The purpose of this communication is to advise both past and present customers of our latest specifications and modifications, which we feel will be appreciated by all concerned.

THE PRODUCT SPECIFICATIONS ARE AS FOLLOWS:-

Height 				1,400 metres (base to manhole lid)
Diameter (cylindrical) 		1,200 metres
Length				1,500 metres
Construction			Cylindrical ribbed with domed ends and a centre
				internal spreader beam to reinforce the domed 
				ends against possible abnormal pressures, and 
				minimal excavation
Weight				40 Kg - easily transportable 
Chambers			Primary and secondary 66% x 33%
Total Capacity			1.200 litres
Fluid Working Capacity		1.000 litres
Wall thickness			5mm
Inlet and Outlet Diameter 	110mm, both fitted with inspection eyes
Manhole Diameter		450mm
Manhole Lid Design		Provision for filling with concrete ballast
Manhole Access Extension	500mm
No Metallic Components
Indefinite Life 			Continuous Digestion
*Capita Support Capacity	1 - 20 persons (variable) - see over