Already a subscriber?
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
BS 8616:2019 Specification for performance parameters and test methods for green roof substrates, 2019
- Foreword
- 0 Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Sampling substrates (for both intensive and extensive blends) [Go to Page]
- 4.1 General
- 4.2 Sampling from stockpiles
- Figure 1 — Sampling from flat stockpiles
- Table 1 — Target ranges of extensive green roof substrate physical and chemical properties
- 5 Method of test for determination of the particle size distribution and organic matter content, as loss on ignition (LOI), of green roof substrates [Go to Page]
- 5.1 Principle
- 5.2 Apparatus and reagents
- 5.3 Procedure
- Table 2 — Sampling times for silt plus clay content determination with the pipette method (20 cm sampling depth)
- Table 3 — Sampling times for clay content determination with the pipette method
- 6 Method of test to determine the physical properties of green roof substrates: oven dry bulk density, bulk density at field capacity, hydraulic conductivity, field capacity, particle density and porosity [Go to Page]
- 6.1 Principle
- 6.2 Apparatus
- 6.3 Procedure
- Figure 2 — Apparatus set up for cylinders
- Figure 3 — Arrangement for saturated hydraulic conductivity measurements
- 6.4 Calculation of result
- Table 4 — Temperature correction factor for viscosity of water at 5 oC
- 7 Method of test for the analysis of green roof substrate pH [Go to Page]
- 7.1 Principle
- 7.2 Apparatus
- 7.3 Procedure
- 8 Method of test for the determination of electrical conductivity in a calcium sulphate solution extract of green roof substrate [Go to Page]
- 8.1 Principle
- 8.2 Apparatus and reagents
- 8.3 Procedure
- 9 Method of test for the determination of green roof substrate nitrogen content and C:N ratio [Go to Page]
- 9.1 Principle
- 9.2 Apparatus and reagents
- 9.3 Procedure
- 9.4 C:N ratio
- 10 Method of test for the analysis of green roof substrate potassium extractable by 0.5 M acetic acid solution [Go to Page]
- 10.1 Principle
- 10.2 Apparatus and reagents
- 10.3 Procedure
- 11 Method of test for the analysis of green roof substrate phosphate-P extractable by 0.5 M acetic acid solution [Go to Page]
- 11.1 Principle
- 11.2 Apparatus and reagents
- 11.3 Procedure
- 12 Method of test for the analysis of green roof potential phytotoxins: copper, zinc, nickel, lead and cadmium, extractable by 0.05 M EDTA using atomic absorption spectrophotometry [Go to Page]
- 12.1 Principle
- 12.2 Apparatus and reagents
- 12.3 Procedure
- 13 Method of test for the identification of foreign objects within a green roof substrate sample [Go to Page]
- 13.1 Principle
- 13.2 Procedure
- Annex A (informative) Substrate sampling and categories
- Bibliography [Go to Page]