Complete guide to all the manhole covers offered by EcoGrid Limited, concentrating on the stock recessed collection, including GrassTops and permeable paving covers. Also highlights the specialist ranges such as aluminium, stainless steel and bespoke products specially made.

1. recessedmanholecovers.co.uk/ecogrid.co.uk
partofecogridltd
blockpaving&flagging carparks&roads
internalflooring swimmingpools&wetrooms
grass&gravelareas commercialoperations
recessedmanhole
covers2015-2016guide
allyourneedscovered

2. recessedmanholecovers.co.uk/ecogrid.co.uk2
RecessedManholeCovers(RMC)arearenowneddepartmentofEcoGridLimitedwho
specialiseindraincovers(accesscovers,inspectionchambers,manholecovers,GrassTopsetc.)
andchanneldrains.RMCprovidethebestratesavailableforproductsdirectfrom stockor
manufacturedbespokeintheUK,andaimstoprovideexceptionalexpertadviceandservice
atalltimes.
EcoGridarealsothefoundersoftheunique,invaluableGrassTopManholeCoverrangewhicis
availablefrom RMCdirectorthroughournextworkorresellers.RMCarethemaintoutletforavailablefrom RMCdirectorthroughournextworkorresellers.RMCarethemaintoutletfor
EcoGridGras&GravelCovers.RecessedManholeCoversandEcoGridareworkingalongside
someoftheUK’slargestconstructioncompaniestomeetsiterequirementsbothnatioanlly
andinternationally.
contents
3-5 T-Range:Sealed&Locking
6-7 Aquaknight:Water&OdourTight
8-12 Paving&Flagging
13-14 PavingHeavyDuty
15-16 GrassTops&EcoGridGravelCovers
17 OtherRanges(Aluminium,Stainless
Steel&Bespoke)
18 OtherRanges(SolidTops,Chequer
Plates&Accessories)
19 OtherRanges(Cast/DuctileIron,
ChannelDrain&Alternative
Materials)

3. AsperBuildingRegulations2000,internalmanhole/accesscoverscanincorporatesingleor
doubleseals.ThelongstandingT-Rangeprovideasealed,screw-downsolutionwhichisboth
secureandodourpreventative.
Commonapplicationsincludeconservatories,basements,patiosandgenerallyanyindoor
room whereliquidsaren’taconcern(N.B.seeAquaknightsforawatertightoption).
AdvantagesoftheT-Range
••factoryfittedrubberneoprenesealing
gasket
•stainlesssteellockingscrews
•5tonnegrossplatedweightloadbearing
capacity
Certification
•FACTA7.0,7.2,7.2.1,7.2.3,7.3.3
•BSEN1449:1991/EN10025mildsteelgrade
•BSEN1461:1999galvanisedstandards
•PolypropylenegradeAP9
Specification
•220to300mm diameterclearopening
•43.5mm intray
•440x440mm overallframesize
•52mm totaldepth(notincludingadaptor)
•7.5kgweight
••integralliftingkeys
Thiscoverwillfitsquareorroundchambers.It
featuresataperedadaptorwhichcanbecut
whererequired;from 300downto220mm.
Specification
•450mm diameterclearopening
•43.5mm intray
•580x580mm overallframesize
•52mm totaldepth(notincludingadaptor)
•10kgweight
••integralliftingkeys
Thiscoverwillfitsquareorroundchambers.
T1g3ppframe&galvtray 220to300dia
clks450sr/46slppframe&galvtray 450dia
recessedmanholecovers.co.uk/ecogrid.co.uk3
t-range sealed &
locking

4. Specification
•600x600mm clearopening
•43.5mm intray
•740x740mm overallframesize
•58mm totaldepth
•17kgweight
••compatiblewithCLKS776liftingkeys
T16g3ppframe&galvtray 600x600
Specification
•600x450mm clearopening
•43.5mm intray
•700x550mm overallframesize
•65mm totaldepth
•15kgweight
••integralliftingkeys
T11g3/sfgalvsteel 600x450
Specification
•600x450mm clearopening
•43.5mm intray
•740x590mm overallframesize
•58mm totaldepth
•13kgweight
••integralliftingkeys
T11g3ppframe&galvtray 600x450
Specification
•600x600mm clearopening
•43.5mm intray
•700x700mm overallframesize
•50mm totaldepth
•18kgweight
••compatiblewithCLKS776liftingkeys
T16g3/sfgalvsteel 600x600
recessedmanholecovers.co.uk/ecogrid.co.uk4
sealed &
lockingt-range

5. Specification
•900x600mm clearopening
•43.5mm intray
•1000x700mm overallframesize
•50mm totaldepth
•31kgweight
••compatiblewithCLKS776liftingkeys
T36g3galvsteel 900x600
Specification
•750x750mm clearopening
•43.5mm intray
•850x850mm overallframesize
•50mm totaldepth
•30kgweight
••compatiblewithCLKS776liftingkeys
T31g3galvsteel 750x750
Specification
•750x600mm clearopening
•43.5mm intray
•850x700mm overallframesize
•50mm totaldepth
•25kgweight
••compatiblewithCLKS776liftingkeys
T26g3galvsteel 750x600
Specification
•100mm length
•100mm width
•glassreinforcednylon
clks776liftingkeys
recessedmanholecovers.co.uk/ecogrid.co.uk5
t-range sealed &
locking

6. Internalprojectsoftenrequirespecialistmanholecoverstoblockunwantedodoursandwater
ingress.TheAquaknightrange,asusedbyLondonBoroughCouncils,providestheidealsolution
whichcanbescreeded,tiledorfilledwithmaterialssuchasvinylflooring.
Commonapplicationsincludedomesticandcommercialkitchens,bathrooms,sewageareas,
basements,pedestrianareas.Forwetrooms,swimmingpoolsandsuchlike,weofferstainlesssteel
finishes.
AdvantagesoftheAquaknightAdvantagesoftheAquaknight
•polyethyleneseal,watertightto1bar
ofpressure
•stainlesssteellockingscrews
•5tonnegrossplatedweightloadbearing
capacity
•odourtight
••allincludeCLKS776liftingkeysasstandard
Certification
•FACTA7.0,7.2,7.2.1,7.2.3,7.3.3
•BSEN1449:1991/EN10025:2004mildsteel
grade
•BSEN1461:1999galvanisedstandards
Specification
•450x450mm clearopening
•43.5mm intray
•550x550mm overallframesize
•50mm totaldepth
•13kgweight
••includesCLKS776liftingkeys
Specification
•600x450mm clearopening
•43.5mm intray
•700x550mm overallframesize
•50mm totaldepth
•15kgweight
••includesCLKS76liftingkeys.
aqk4545galvsteel 450x450
aqk6045galvsteel 600x450
recessedmanholecovers.co.uk/ecogrid.co.uk6
aquaknight water &
odour tight

7. Specification
•750x750mm clearopening
•43.5mm intray
•850x850mm overallframesize
•50mm totaldepth
•30kgweight
••includesCLKS776liftingkeys
aqk7575galvsteel 750x750
Specification
•750x600mm clearopening
•43.5mm intray
•800x700mm overallframesize
•50mm totaldepth
•25kgweight
••includesCLKS776liftingkeys
aqk7560galvsteel 750x600
Specification
•600x600mm clearopening
•43.5mm intray
•700x700mm overallframesize
•50mm totaldepth
•18kgweight
••includesCLKS776liftingkeys
aqk6060galvsteel 600x600
Specification
•900x600mm clearopening
•43.5mm intray
•1000x700mm overallframesize
•50mm totaldepth
•30kgweight
••includesCLKS776liftingkeys
aqk9060galvsteel 900x600
recessedmanholecovers.co.uk/ecogrid.co.uk7
water &
odour tightaquaknight

8. Thiswideselectionofrecessedcoversaresuitableforanyexternaldomesticareathankstotheir
10tonneloadingcapacityandvarieddepths.Trayscanbebuiltupwithscreedorconcreteprior
tothesurfaceproductbeingapplied,whetherflagstones,blockpaving,tarmacorsimilar.
Commonapplicationsincludedrivewaysfordomesticvehiclesandpatios.Forgrassedareaswe
recommendusingaGrassTop,allowingwatertopassthroughandgrasstogrow.EcoGridcovers
areidealforgravelfilledinstallationstoreducemovementofthesurfacematerial.
AdvantagesofthePavingRangeAdvantagesofthePavingRange
•vastrangeofproductstocoverall
requirements;integralliftingkeys,fully
galvanisedsteel,fourdifferentdepths,
squaretoroundandmore
•10tonnegrossplatedweightloadbearing
capacity,apartfrom theCLKS790R/46with
a5tonneloading
Certification
•FACTA7.0,7.2,7.2.1,7.2.3,7.3.3
•BSEN1449:1991/EN10025:2004mildsteel
grade
•BSEN1461:1999galvanisedstandards
•PolypropylenegradeAP9
Specification
•220to300mm diameterclearopening
•80mm intray
•438x438mm overallframesize
•93mm totaldepth(notincludingadaptor)
•6kgweight
••integralliftingkeys
Thiscoverwillfitsquareorroundchambers.It
featuresataperedadaptorwhichcanbecut
whererequired;from 300downto220mm.
Specification
•450mm diameterclearopening
•80mm intray
•580x580mm overallframesize
•88mm totaldepth(notincludingadaptor)
•12kgweight
••integralliftingkeys
Thiscoverwillfitsquareorroundchambers.
CD300SRpolypropylene 220to300dia
clks450srppframe&galvtray 450dia
recessedmanholecovers.co.uk/ecogrid.co.uk8
paving driveways
&flagging

9. Specification
•600x450mm clearopening
•80mm intray
•695x545mm overallframesize
•96mm totaldepth
•14.5kgweight
••integralliftingkeys
cd790r/80ppframe&galvtray 600x450
Specification
•600x450mm clearopening
•65mm intray
•695x545mm overallframesize
•78mm totaldepth
•12kgweight
••integralliftingkeys
CLKS790Rppframe&galvtray 600x450
Specification
•600x450mm clearopening
•43.5mm intray
•740x590mm overallframesize
•58mm totaldepth
•10kgweight
••integralliftingkeys
CLKS790r/46ppframe&galvtray 600x450
Specification
•600x450mm clearopening
•80mm intray
•650x500mm overallframesize
•85mm totaldepth
•15kgweight
••integralliftingkeys
clks790r/80/sfgalvsteel 600x450
recessedmanholecovers.co.uk/ecogrid.co.uk9
paving driveways
&flagging

10. Specification
•600x600mm clearopening
•80mm intray
•650x650mm overallframesize
•85mm totaldepth
•21kgweight
••integralliftingkeys
clks791r/sfgalvsteel 600x600
Specification
•600x600mm clearopening
•80mm intray
•690x690mm overallframesize
•96mm totaldepth
•21kgweight
••integralliftingkeys
CLKS791Rppframe&galvtray 600x600
Specification
•600x450mm clearopening
•100mm intray
•700x550mm overallframesize
•105mm totaldepth
•24kgweight
••integralliftingkeys
CLKS790r/100galvsteel 600x450
Specification
•600x600mm clearopening
•100mm intray
•700x700mm overallframesize
•105mm totaldepth
•27kgweight
••integralliftingkeys
clks791r/100galvsteel 600x600
recessedmanholecovers.co.uk/ecogrid.co.uk10
paving driveways
&flagging

11. Specification
•900x600mm clearopening
•100mm intray
•1000x700mm overallframesize
•105mm totaldepth
•36kgweight
••compatiblewithCLKS556orCLKS553liftingkeys
clks795r/100galvsteel 900x600
Specification
•750x750mm clearopening
•100mm intray
•850x850mm overallframesize
•105mm totaldepth
•38kgweight
••compatiblewithCLKS556orCLKS553liftingkeys
CLKS794R/100galvsteel 750x750
Specification
•750x600mm clearopening
•100mm intray
•850x700mm overallframesize
•105mm totaldepth
•32kgweight
••integralliftingkeys
CLKS793r/100galvsteel 750x600
Specification
•900x900mm clearopening
•100mm intray
•1000x1000mm overallframesize
•105mm totaldepth
•46kgweight
••compatiblewithCLKS556orCLKS553liftingkeys
clks796r/100galvsteel 900x900
recessedmanholecovers.co.uk/ecogrid.co.uk11
paving driveways
&flagging

12. Specification
•1200x600mm clearopening
•100mm intray
•1300x700mm overallframesize
•105mm totaldepth
•46kgweight
••compatiblewithCLKS556orCLKS553liftingkeys
clks553liftingkeys
Specification
•145mm length
•116mm width
•ductileiron
•blackbitumencoating
CLKS556liftingkeys
Specification
•100mm length
•100mm width
•glassreinforcednylon
CLKS797r/100galvsteel 1200x600
recessedmanholecovers.co.uk/ecogrid.co.uk12
paving driveways
&flagging

13. CLKS791r/hd100galvsteel
Specification
•600x600mm clearopening
•100mm intray
•800x800mm overallframesize
•110mm totaldepth
•55kgweight
••compatiblewithCLKS553liftingkeys
CLKS790r/hd100galvsteel
Specification
•600x450mm clearopening
•100mm intray
•800x650mm overallframesize
•110mm totaldepth
•40kgweight
••compatiblewithCLKS553liftingkeys
recessedmanholecovers.co.uk/ecogrid.co.uk13
Specification
•750x600mm clearopening
•100mm intray
•950x800mm overallframesize
•110mm totaldepth
•64kgweight
••compatiblewithCLKS553liftingkeys
clks793r/hd100galvsteel 750x600
600x450
600x600
pavinghd
Theheavyduty(HD)rangeofmanholecoversforblockpavingandflaggingareidealinareas
ofcommercialtraffic,wheretheregularrangewouldn’tbesuitable.
Thankstothe38tonneloadbearingcapacity,theHDcollectioncanwithstandtheweightof
articulatedvehicles(N.B.forforkliftsahighergradeofcovermustbeusedduetothedifference
insolidandpneumaticwheels).
Commonapplicationsincludehousingestates,roads,carparks,warehouses(withoutforklift).
car parks
&tarmac

14. Specification
•750x750mm clearopening
•100mm intray
•950x950mm clearopening
•110mm totaldepth
•72kgweight
••compatiblewithCLKS553liftingkeys
CLKS797r/hd100galvsteel
Specification
•1200x600mm clearopening
•100mm intray
•1400x800mm overallframesize
•110mm totaldepth
•94kgweight
••compatiblewithCLKS553liftingkeys
CLKS796r/hd100galvsteel
Specification
•900x900mm clearopening
•100mm intray
•1100x1100mm overallframesize
•110mm totaldepth
•90kgweight
••compatiblewithCLKS553liftingkeys
clks794r/hd100galvsteel 750x750
recessedmanholecovers.co.uk/ecogrid.co.uk14
900x900
1200x600
pavinghd car parks
&tarmac

15. GrassTopandEcoGridManholeCoversareuniquetoEcoGridLtdanditssistercompanies,
RecessedManholeCoversandGeotextileMembranes.Theproblem ofsolidtoporrecessed
draincoversruininglawnsandgardenshasbeenapparentfordecades,butinrecentyears
EcoGridhavedevelopedasolution.
Unlikeregularrecessedcovers,GrassTopsincorporatepre-drilleddrainageholeswhichallow
rainwatertodrainthroughnaturally.Combinedwithadoublelayerofspecialistmembranes,
thiswaterisfilteredandgrasswillgrowinsidethetray.Ultimatelythisresultsinanaestheticallythiswaterisfilteredandgrasswillgrowinsidethetray.Ultimatelythisresultsinanaesthetically
pleasingsolutionforclientandcontractor.Thecoverscanalsobefilledwithothermaterials
suchasrubbercrumb,artificialturf,decorativegravelsoranyporoussurfacingproduct.
Althoughbespoke,theseproductswilltypicallybeonsitewithinthreeworkingdays.Atotalof
thirteendifferentvariationsareavailableasstandard,whilstspecialsizescanbemanufactured
ondemand.
DevelopedonthebasisoftheGrassTop,EcoGridmanhole
coversareidealforgraveldrivewaysandpaths,aswellas
grassedparkingareas.
Generally,gravelinnormalrecessedtrayswillmoveand
spreadunderfootortyre.However,compactedintothe
EcoGridthisnolongerbecomesanissue.
Thegridcomesfactorycutandfittedinthespecifiedcover,Thegridcomesfactorycutandfittedinthespecifiedcover,
readyforinstantinstallation.
recessedmanholecovers.co.uk/ecogrid.co.uk
grasstopbespokerecessed
manholecovers
bespokerecessed
manholecovers
•pre-drilleddrainageholes
•factoryfittedspecialistgeotextilemembranes
•integralliftingkeysupto750x600mm
•upto10tonnesloadingcapacity
•galvanisedmildsteeltray(polypropyleneframeto
600x600mm)
theessentials
15
ecogrid

16. 100%BlackPolypropylene
CD300SR
GalvanisedMildSteelTraywithBlack
PolypropyleneFrame
CLKS450SR,CD790R/80,CLKS791R
Allothercoversare100%galvanisedmildsteel.
EcoGridManholeCoversarefactoryfitted
withourEcoGridE50,reducingtherecessby
50mm.Thegriditselfhasaloadbearing
capacityof350tonnes.
Setsofliftingkeysareavailableseparately
ifrequired.
1
somecoversincorporatestrengtheningbars,notincludedindepthmeasurements
2
thesecoversfeatureroundadaptorstofitsquareorroundchambers,andtherecessedtrayissquarefortiling
3
theroundridgedadaptordecreasefrom 300mm to220mm instagesandcanbecutwhererequired
4
twopartmanholecover;twotrayswithinoneframe
16
ProductCode
CD300SR2
CLKS450SR2
CD790R/80
CD790R/80/SF
CLKS790R/100
CLKS791R
CLKS791R/SFCLKS791R/SF
CLKS791R/100
CLKS793R/100
CLKS794R/100
CLKS795R/100
CLKS796R/100
CLKS797R/1004
220to300dia3
450dia
600x450
600x450
600x450
600x600
600x600600x600
600x600
750x600
750x750
900x600
900x900
1200x600
80
80
80
80
100
80
8080
100
100
100
100
100
100
438x438
580x580
695x545
695x545
700x550
690x690
690x690690x690
700x700
850x700
850x850
1000x700
1000x1000
1300x700
93
88
96
96
105
96
9696
105
105
105
105
105
105
35kN
10GPW
10GPW
10GPW
10GPW
10GPW
10GPW10GPW
10GPW
10GPW
10GPW
10GPW
10GPW
10GPW
Yes
Yes
Yes
Yes
Yes
Yes
YesYes
Yes
Yes
No
No
No
No
ClearOpening
Size(mm)
InternalTray
Depth(mm)
FrameSize
(mm)
Depth1
(mm)
Loading
(tonnes)
Integral
Keys(Y/N)
recessedmanholecovers.co.uk/ecogrid.co.uk
specification

17. Aswellasthebasiccollectionwealsooffermorespecialistrangesasdetailedbelow.Manhole
coverswithdecorativefinishessuchasaluminium andstainlesssteelareoftenavailablefrom
stock,whilstwecanalsomanufactureanycovertomeetspecification.
Specification
•availableinallstandardstocksizes
•doublesealedforinternaluse
•extragritsealtopreventsiltingress/egress
•fourpointlockingincorners
•steelreinforcementfabricmesh
••73mm overallframedepth
•replaceablebrassnuts&stainlesssteelscrews
Idealforinternalapplicationswhereasealedunit
isrequiredwithanaestheticallypleasingfinish.
Specification
•availableinallstandardstocksizes
•stainlesssteelgrades304or316
•neoprenesealprovidesairtightgasket
•lockingpointsdeterunauthorisedremoval
•manufacturedinaccordancewithISO:9001
Idealforswimmingpools,wetrooms,chemicalIdealforswimmingpools,wetrooms,chemical
plantsandotherareaswheregalvanisedsteel
wouldrustorcorrode.
Ifyourrequirementsaren’tmetbyanyproducts
offtheshelfwehavetheabilitytomanufactureas
peryourspecification.Thisusuallytakes12to15
workingdaysandincludesdetaileddrawingsfor
signedapproval.Simplyletusknowwhatyouneed
oryou’retryingtoachieveandwe’lldotherest.
aluminium recessedmanholecovers
stainlesssteelrecessedmanholecovers
bespokefactorymadetoorder
recessedmanholecovers.co.uk/ecogrid.co.uk17
otherranges

18. Sometimessolidtopmanholecoversarepreferabletothecommonrecessedtraysolution,
thereforewealsostockpressedsteelandchequerplatelidsforallapplicationsandsizes.
Furtheroptionsareavailableforhingeduse,lockingandbespokemeasurements.
Specification
•availablefrom 300x300to600x600mm
•sealedandlockingvariants
•from 2.5to38tonneloadingcapacities
•30or45mm depths
•non-slipfinish
••built-inliftinghandles
Idealfordomesticpedestrianareas,driveways,
carparks,warehousesandeverythingin-between.
Specification
•availablefrom 600x450to900x900mm
•sealedandlockingvariants
•from 5to40tonneloadingcapacities
•55overallframedepth
•durbartreadnon-slipfinish
••compatiblewithCLKS556liftingkeys
Idealforlightlytrafickedtoheavydutyforklift
andindustrialuse.
Thereawiderangeofaccessoriesdesignedto
complimentthefullvariationofmanholecovers
available.From basicliftingkeysandchamber
riserstobaseswithseveralinletandoutletpoints,
chamberreducingringsandstepirons.
solidtopsppframes&pressedsteellids
chequerplatesgalvsteel
liftingkeys,chamberrisers,chamberbases,reducingringsetc.
recessedmanholecovers.co.uk/ecogrid.co.uk18
otherranges

19. Aswellasthebasiccollectionwealsooffermorespecialistrangesasdetailedbelow.Manhole
coverswithdecorativefinishessuchasaluminium andstainlesssteelareoftenavailablefrom
stock,whilstwecanalsomanufactureanycovertomeetspecification.
Specification
•hingedgullygratingsandflanges
•recessedorsolidtopironcovers
•castironA15loadingclass
•ductileironB125toF900loadingclass
•double-triangular,lockable,hinged&more
Althoughnotcommonlyuseddomestically,ironAlthoughnotcommonlyuseddomestically,iron
manholecoversarestillvitalthroughoutcommercial
environments.
Specification
•typically1m inlength
•polypropylenewithplasticorgalvanisedgratings
•polymerconcrete‘blockslot’
•variousdepthsavailable
•loadbearingcapacitiesfrom A15toF900
From privatedomesticusetoairportrunwaysandFrom privatedomesticusetoairportrunwaysand
industrialsites,thereisavastcollectioofchannel
drainagereadilyavailable.
Idealforutilities,petrolforecourtsandsuchlike,we
offerarangeofsecuritychambers,surfaceboxes
andthermoplasticPPICmanholecovers.
Furthermore,acompleterangeofrecessedand
flush(solidtop)compositecoversarecarriedinthe
UKatalltimes.
Cast&ductileironcovers&gratings
channeldrainpp,galv&polymerconcrete
securitychambers,composite,thermoplastic,surfaceboxesetc.
recessedmanholecovers.co.uk/ecogrid.co.uk19
otherranges

20. recessedmanholecovers.co.uk/ecogrid.co.uk
CrystalHouse,28-29WheatlandBusinessPark
WheatlandLane,Wallasey,CH447ER
T:+44(0)1516394281
F:+44(0)1516750030
sales@ecogrid.co.uk
sales@recessedmanholecovers.co.uk
getin touch