This document contains engineering drawings and product specifications for UniteTM manhole covers manufactured by Wrekin Products Ltd. It includes: 1. Detailed engineering drawings and dimensions for UniteTM manhole covers in various standard sizes. 2. Specifications noting the covers are made of strong ductile iron, comply with relevant standards, and have features like a non-rock design and safety keyways. 3. Information on options for the covers like locking, ventilation holes, anti-slip coatings. 4. Details on the patented design features that provide durability like reduced flexing and improved frame-cover seating interface. 5. Descriptions of the sustainability benefits of UniteTM

1. Unite™ Manhole Cover

2. B D
A
E
C
G
F
D
E
F
C
1 2 3 4
B
A
321 54 6 7 8
WEIGHT:
ISO 1083/JS/500-7/S
SHEET 1 OF 1SCALE:1:5
DWG NO.
TITLE:
DO NOT SCALE DRAWING
MATERIAL:
DATE SIGNATURENAME DEBUR AND
BREAK SHARP
EDGES
FINISH:
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH: N/A
TOLERANCES: ISO8062-3 DCTG 10
LINEAR: N/A
ANGULAR: N/A
APPV'D
CHK'D
DRAWN
FOR
MANUFACTURING CODE:
765 8
CLASS:
CLEAR OPENING:©Wrekin Products LTD 2015
ADDITIONAL INFORMATION:
IF IN DOUBT, ASK
MICHAEL JONES
W7-436-1
CTF REFERENCES:
SALES CODE:
BITUMEN COATED
600X600
D400
BARRY TURNER
C ECCLESTON
26/09/2016
CURRENT REVIS
UNITE 600X600X150
DOUBLE TRI MANHOLE CO
SALES ILLUSTRATION
PRODUCT TO BE INSPECTED
USING CTF CATAGORY xxx,
* AND ** AND *** CONTROL
DIMENSIONS RELATE TO
THOSE MARKED IN ASSEMBLY
DRAWING.
26/09/2016
26/09/2016
UNLESS SPECIFIED OTHERWISE,
ALL FILLETS ARE R3 AND
ANGLES 3° , CRITICAL CHECK
DIMENSIONS CIRCLED .
D
E
F
C
1 2 3 4
B
A
321 5
C
D
4 6 7 8
A
B
WEIGHT:
ISO 1083/JS/500-7/S
A3SHEET 1 OF 1SCALE:1:5
DWG NO.
TITLE:
DO NOT SCALE DRAWING
MATERIAL:
DATE SIGNATURENAME DEBUR AND
BREAK SHARP
EDGES
FINISH:
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH: N/A
TOLERANCES: ISO8062-3 DCTG 10
LINEAR: N/A
ANGULAR: N/A
APPV'D
CHK'D
DRAWN
FORMAT
MANUFACTURING CODE:
765 8
E
F
CLASS:
CLEAR OPENING:©Wrekin Products LTD 2015
ADDITIONAL INFORMATION:
IF IN DOUBT, ASK
MICHAEL JONES
W7-436-1
CTF REFERENCES:
SALES CODE:
BITUMEN COATED
600X600
D400
BARRY TURNER
C ECCLESTON
26/09/2016
CURRENT REVISION
UNITE 600X600X150
DOUBLE TRI MANHOLE COVER
SALES ILLUSTRATION
PRODUCT TO BE INSPECTED
USING CTF CATAGORY xxx,
* AND ** AND *** CONTROL
DIMENSIONS RELATE TO
THOSE MARKED IN ASSEMBLY
DRAWING.
26/09/2016
26/09/2016
UNLESS SPECIFIED OTHERWISE,
ALL FILLETS ARE R3 AND
ANGLES 3° , CRITICAL CHECK
DIMENSIONS CIRCLED .
A
D
E
F
C
1 2 3 4
B
A
321 54 6 7 8
WEIGHT:
ISO 1083/JS/500-7/S
SHEET 1 OF 1SCALE:1:5
DWG NO.
TITLE:
DO NOT SCALE DRAWING
MATERIAL:
DATE SIGNATURENAME DEBUR AND
BREAK SHARP
EDGES
FINISH:
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH: N/A
TOLERANCES: ISO8062-3 DCTG 10
LINEAR: N/A
ANGULAR: N/A
APPV'D
CHK'D
DRAWN
FOR
MANUFACTURING CODE:
765 8
CLASS:
CLEAR OPENING:©Wrekin Products LTD 2015
ADDITIONAL INFORMATION:
IF IN DOUBT, ASK
MICHAEL JONES
W7-436-1
CTF REFERENCES:
SALES CODE:
BITUMEN COATED
600X600
D400
BARRY TURNER
C ECCLESTON
26/09/2016
CURRENT REVIS
UNITE 600X600X150
DOUBLE TRI MANHOLE CO
SALES ILLUSTRATION
PRODUCT TO BE INSPECTED
USING CTF CATAGORY xxx,
* AND ** AND *** CONTROL
DIMENSIONS RELATE TO
THOSE MARKED IN ASSEMBLY
DRAWING.
26/09/2016
26/09/2016
UNLESS SPECIFIED OTHERWISE,
ALL FILLETS ARE R3 AND
ANGLES 3° , CRITICAL CHECK
DIMENSIONS CIRCLED .
Ductile iron D400 and HA104/09 access covers
The best value D400 access cover range available in the market. Full
of patented design features which combine to give Unite™ exceptional
durability. Unite™ has the lowest whole life cost of any D400 access
cover. It exceeds both BS EN 124:2015 and HA104/09 requirements.
9
Unite™
1. Wrekin Products Ltd is continually seeking
to improve our products and therefore
reserves the right to alter product
specifications without prior notice.
2. It is the responsibility of all users to satisfy
themselves the above data is current.
3. Installation details are available on request.
4. Published November 2016 - V1.CE
For use in a Group 4 D400 class environment
Complies with Highways England specification HA 104/09F900
Manufactured from strong and highly durable ductile iron
Third party certified by BSI
Cover support geometry reduces movement relative to the frame
Under frame grip - Engages with bedding mortar reducing lateral shift
Enlarged frame corners help to dissipate the load
Non rock - Three point suspension for non rock stability
Safety keyway - Ensures key’s secure in keyway when lifting
Antiflex cover - reduces cover frame wear
Available options:
• Locked
• Badged (e.g.‘SW’, ‘FW’ etc.)
• Ventilation Holes
• Sealing Plate
• Safety Grill
• Anti-slip Coating (60+ PSRV)
• Unite+ LowLeak
PRODUCT CODE ITEM DESCRIPTION
CLEAR OPENING
(C x D mm)
FRAME DEPTH
(mm)
FRAME SIZE
(A x B mm)
DMT0D4/6060/KU Double Tri Cover, Group 4 600 x 600 100 810 x 810
DMT0D6/6060/KU Double Tri Cover, Group 4 600 x 600 150 810 x 810
DMT0D4/6767/KU Double Tri Cover, Group 4 675 x 675 100 890 x 890
DMT0D6/6767/KU Double Tri Cover, Group 4 675 x 675 150 890 x 890
DMT0D6/1267/KU Double Tri Cover, Group 4 1220 x 675 150 1480 x 920
DMT0D6/1867/KU Double Tri Cover, Group 4 1830 x 675 150 2075 x 920
DMT0D6/6060/KUULL Unite + LowLeak, Group 4 600 x 600 150 875 x 875
DMT0D6/6767/KUULL Unite + LowLeak, Group 4 675 x 675 150 933 x 933
Diagram Key
A x B Overall Frame Size
C x D Clear Area
F x G Base opening
E Frame Height
Unite+ LowLeak
For customers requiring low leak
covers, a drop in ductile iron plate
with elatomeric gasket is available

3. SPECIFICATIONS:
The engineering team at Wrekin have a deep understanding of pavement and highway
ironwork performance. Using the very latest tools and software, Unite™ has been
engineered for extremely long life.
Key to Unite’s longevity is minimising seat wear between covers and frames. By
successfully challenging manufacturing conventions, Unite™ has the stiffest cover in its
class and seating which is not vulnerable to movement caused by covers flexing. The Unite
cover structure is patent protected.
To increase surface contact with bedding materials, the underside of the Unite™ frame
features an engineered tread pattern and to inhibit crack initiation, all contours of
the Unite frame, where it engages with the bedding materials are fully rounded – both
patented features unique to this product range.
Wrekin have designed Unite™ to work perfectly with UniPak™ bedding system, the leading
frame foundation system. Comprising polyester resin mortar, packing plates, adjustment
wedges and sharing design principles from the Unite™ frame, the patented system bonds to
form a homogenous, highly durable foundation structure.

4. Unite™: The Sustainable Choice
Service life and the impact
on society
Typically, ironwork replacement takes
around 3 hours. Studies show the 2000
users per hour of A-roads are delayed by
an average of 4mins in roadworks***
This loss of earnings / productivity
equates to over £2200 per hour. The
saving to society of not having a 3-hour
long unnecessary manhole replacement
is £6600 as well as the associated noise,
dust and waste.
Unite with UniPak™ mortar
A Typical Manhole cover with cementious mortar
Engineered for very long life
• Patented cover design virtually
eliminates seat wear
• Patented frame is sympathetic to
bedding materials
• In service for more than 15 years on
central London roads
Very low whole life costs (TOTEX)
• Lasts at least twice as long as the
nearest competitor
• Reduces cost of replacement
products, re-installation and wider
disruption to society
100% recyclable
PRODUCT
APPROXIMATE
COST
INSTALLATION
FREQUENCY**
INSTALLATION
COST
TOTAL
COST
DIRECT
SAVING
SUSTAINABLE
SAVING
Unite™ £150 1 £600 £750
£590 Social Cost £6600
Typical MHC £70 2+ £1200 £1340
*Based on independent analysis commissioned by a major water utility. **Statistics collated from Department for Transport & The Nation Traffic Survey 2014