DOWNLOADS & PRODUCT DETAILS

Sustainable Urban Drainage

Hewitech Variobox and Controlbox Product Manual

Hewitech CIRIA C680 Tank Structural Assessment

Variobox Structural Load Calculation Information Required

Floatation Design Check Variobox Tank Dartington Primary CIRIA C680 Calculation

Hewitech Site Specific Attenuation Design Example

13-093 004 Standard 500mm Access Channel thro Variobox Attenuation Tank

001 Hewitech Attenuation Construction Details

SUDS Installation

Attenuation Membrane for Contaminated Land Specification 1mm

Attenuation Standard Membrane Specification

Hewitech Attenuation Protective Fleece Specification

Hewitech Needle Punched Soakaway Geotextile Specification

Waste Water Filter

Trickling Filter Inspection Column
See our previous Waste Water Projects

HewiPier

HewiPier Brochure