Permeable Paving Design Guide 2016 by Marshalls

More catalogs by Marshalls | Permeable Paving Design Guide 2016 | 43 pages | 2016-11-23

Ads

Contacts for Marshalls

Marshalls

Marshalls Customer Helpline: 0845 820 5000
http://www.marshalls.co.uk/

Permeable Paving Design Guide 2016 is listed under these categories

Industrial Supply

Featured catalog pages of Permeable Paving Design Guide 2016

permeable paving design guide this dedication to excellence is exemplified by marshalls commitment to developing the most popular permeable paving system in the uk marshalls pledges that all of the products and systems featured in this book comply with relevant industry standards are manufactured to the highest standards are fit for purpose and are designed to optimise savings in installations and use marshalls’ purchasing policy sets out the standards and ethics by which we conduct our business and operate our management systems to manage our suppliers the majority of our products are manufactured in the uk where products are sourced from outside the uk an ethical risk assessment is completed and an appropriate action plan agreed multi-stakeholder independent social audits are part of our best practice marshalls is a member of both the ethical trading initiative and un global compact marshalls accepts legal compliance as an absolute minimum standard to which we work and where

permeable paving design guide linear drainage directed to a tree pit utilising green areas to provide natural filtration is known as soft suds using man-made materials to achieve the same result is referred to as hard suds the following is a list of soft suds techniques and examples of how we can integrate soft and hard suds to achieve a practical and holistic solution linear channel into an attenuation pond permeable paving design guide permeable paving design guide examples of suds techniques filter strips – wide gently sloping area of grass or dense vegetation that filters storm water run-off from impermeable areas swales – generally wide shallow grass lines channels intended to transport or store storm water run-off and allow infiltration infiltration basin – surface depressions in the landscape intended to store storm water and allow infiltration wet ponds – used to store storm water run-off and are permanently wet and provide amenity features

permeable paving design guide with flood events grabbing ever-increasing column inches the primary purpose of most suds is currently to attenuate and hold back water however the ability of a well designed sud to cleanse surface water as it passes through is a major benefit which should not be overlooked marshalls testing with abertay university in 2010 concluded that up to 94 of heavy metals are removed from effluent as it passes through the sub-base of a permeable pavement and uk suds expert bob bray is regularly quoted as saying that permeable paving provides “a controlled flow of clean water” however confusion still surrounds water quality in permeable pavements permeable paving design guide permeable paving design guide water quality priora sub-base construction findings to date… • structural depth has not been shown to be a detectable contributor to water cleansing therefore marshalls rationalised sub-base designs are as effective as the deeper and more

permeable paving design guide permeable paving design guide permeable paving design guide conservation priora silver grey charcoal graphite permeable paving permeable paving conservation priora permeable flag paving system nox silver grey priora the uk’s best-selling permeable paving block is now available in large plan flag sizes based on marshalls’ most popular premium flag option the combination of 3 sizes and 3 colours can be freely mixed and matched to allow truly creative laying patterns in addition during field tests undertaken in 2014 we have proven that the patented marshalls priora nib provides the surface with 40 more interlock than our standard block this means that specifying marshalls priora blocks will bring long-term benefits in relation to pavement longevity and maintenance requirements regardless of the intrinsic hydraulic benefits nox on request this product can be manufactured using noxer technology to improve the air quality in the area in which it

permeable paving design guide plan size mm pack size m2 approx unit weight kg approx pack weight kg approx natural item code charcoal item code 65 200 x 400 6.4 11.96 957 fl7440100 fl7440300 65 400 x 400 7.68 23.92 1148 fl7442100 fl7442300 65 600 x 400 7.68 35.88 1148 fl7444100 fl7444300 priora flag with reference numbers indicated in bold black are available ex-stock priora flag with reference numbers indicated in light black are manufactured to order contact our sales office to discuss your requirements plan sizes 3 200 x 400 6 400 x 400 permeable paving design guide permeable paving design guide thickness mm 3 600 x 300 numbers indicate the maximum loading category recommended for each unit loading category descriptions can be found in marshalls permeable paving design guide permeable flag paving system natural charcoal nox on request this product can be manufactured using noxer technology to improve the air quality in the area in which it is installed for use with the marshalls

permeable paving design guide permeable paving design guide permeable paving design guide priora charcoal cowbridge permeable paving permeable paving priora permeable paving system nox brindle in addition during field tests undertaken in 2014 we have proven that the patented marshalls priora nib provides the surface with 40 more interlock than our standard block this means that specifying marshalls priora blocks will bring long-term benefits in relation to pavement longevity and maintenance requirements regardless of the intrinsic hydraulic benefits bracken charcoal this product is available in special machine lay formation packs this makes automated installation easy saving time and improving health and safety on large jobs nox on request this product can be manufactured using noxer technology to improve the air quality in the area in which it is installed installation for use with the marshalls range of sub-base components 45 degree ml natural thickness mm plan size mm red unit

permeable paving design guide how to design a priora sub-base permeable paving structural design philosophy worked example on page 58 determine subgrade strength and requirement for subgrade improvement via a capping layer from table v page 56 determine hydraulic design parameters for site location and storm return period allowing for the effects of climate change › determine depth of priora sub-base from table vi page 57 full scale testing at nurolf www.marshalls.co.uk/commercial › › www.marshalls.co.uk/commercial 3 having calculated two different designs for both structural and hydraulic requirements your final priora design will be the higher of the two results finite element analysis desktop study permeable paving establish what type of priora pavement type a b or c from soil infiltration data table i page 50 › permeable paving determine priora sub-base depths and specification from table iii page 54 consider site traffic 52 determine site location and

permeable paving design guide providing the above criteria are met the ogcr or ogcg subbase material will have a porosity of at least 0.32 and offer a storage capacity in its voids typically of 30 to 40 a 40 void space means that the volume of the ogcr or ogcg sub-base will need to be 2.5 times the volume of the water stored the infiltration rate through 20mm graded crushed rock sub-base is over 70,000 litres/hectare/sec and this should be compared with the required value of 180 litres/hectare/sec in addition the material should meet the grading requirements as shown in table vii due to the relationship between the grading curve of the ogcr or ogcg sub-base material and the laying course material a geotextile between these layers may not necessarily be required as the ogcr is also a structural element of the pavement the stone itself must be able to withstand the loadings over the life of the pavement to enable this there are minimum physical properties the aggregates should reach

permeable paving design guide the machine lay installation process the construction industry is increasingly demanding the use of automated handling and installation methods to deliver safe working practices and to assist in delivering projects on time and on budget reduces manual installation reduces manual sweeping a  ssists in speeding up the overall installation programme marshalls has recognised this demand and has fully committed to lead the industry in the development of machine lay paving solutions incorporating both product and plant 1 laying course p  lant attachments or adapted plant installs the 6mmm aggregate laying course to the required depth and levels automated methods of marshalls priora installation can now deliver new levels of speed efficiency and quality when compared with traditional installation methods particularly on larger areas reduces manual effort reduces labour requirement assists in speeding up the overall installation programme driving out cost 2

permeable paving design guide permeable paving design guide roof water input into sub-base sep 12 not syphonic only suitable for smaller roofs contact our design team for more details sep 12 permeable paving design guide priora bitmac junction sub-base under road permeable paving permeable paving www.marshalls.co.uk/commercial www.marshalls.co.uk/commercial 76

registered office marshalls plc landscape house premier way lowfields business park elland hx5 9ht dmd_36550 landscape house premier way lowfields business park elland hx5 9ht tel 0370 241 4725