ACO
Rhinocast Multipart Recessed
Ductile Iron Access Cover & Frame
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load B load D load G




Multipart access covers combine standard size covers in multiple rows and lengths. They are used when a single part cover does not offer a large enough clear opening or if smaller individual covers are required for easy lifting. 

Covers do not need to be of the same width, provided each row has covers of the same length and load class.
All covers and beams can be removed to allow full uninterrupted access, or single covers can be removed to provide access to specific areas.

Common applications include container ports, airport pavements, lift motor room floors, and where access to large industrial equipment, large electrical pits, pump wells, and transformers is required.

These systems contain individual covers that are designed and manufactured in full compliance with the requirements of AS 3996 Metal Access Covers and Grates

Multipart solid top access covers are also available.
Contact ACO

multipart access cover

Certified Product AS3996

1. The cover profiles are both drawcut and therefore require a centre frame to provide the seal and an underlying support beam to support the design load.

2. “T” frame for class B and cellular frames for class D & G are machined to fit covers precisely

3. No beam support is required across the width of the multipart system. Overlap between the undercut and drawcut profiles of the covers (lengthways) provides sufficient support as well as a water & gas seal.

4. Frame fits around all covers and a removable frame support beam is used between rows

5 Support beam sizes are determined according to loading and span requirements

6 Beam locating boxes must be cast with the pit structure

multipart recessed ductile iron access cover & frame

Product Table

The products in this table provide information on the common multipart sizes. Multiparts are available in numerous configurations and different cover sizes can be combined to create a clear opening to suit almost any requirement. Due to the endless range of sizes available, ACO will design the multipart closest to your requirements free of charge and obligation. Simply input your data into ACO's ACCTRIX Rhinocast Multipart Configurator or fill out the access cover request form

  Type
 
Part
No.
 
Clear Opening
W x L (mm)
 
No Parts
 
Covers
W x L
 
Load Bearing
Beams Required
 
Decorative
Edging*
 
Locking
Option**
class B Class B - AS 3996 - 80kN
  DIMP109B
  DIMP1312B
  DIMP1323B
  DIMP1615B
  DIMP1925B
  DIMP2015B
  DIMP2019B
  DIMP2423B
 
85817
85822
85839
85843
85850
85864
85870
85888
 
   1000 x 945
   1300 x 1245
   1300 x 2340
   1600 x 1545
   1900 x 2535
   2000 x 1545
   2000 x 1935
   2450 x 2340
 
4-Part
4-Part
6-Part
4-Part
8-Part
6-Part
12-Part
9-Part
 
2 x 2
2 x 2
2 x 3
2 x 2
2 x 4
3 x 2
3 x 4
3 x 3
 
1 x 100mm UC
1 x 100mm UC
1 x 150mm UC
1 x 150mm UC
1 x 150mm UC
2 x 150mm UC
2 x 150mm UC
2 x 150mm UC
 
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
 
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
class B Class D - AS 3996 - 210kN
  DIMP109D
  DIMP1312D
  DIMP1323D
  DIMP1615D
  DIMP1926D
  DIMP2115D
  DIMP2120D
  DIMP2523D
 
89819
89823
89830
89844
89850
89868
89875
89882
 
   1050 x 970
   1350 x 1270
   1350 x 2390
   1650 x 1570
   1950 x 2610
   2100 x 1570
   2100 x 2090
   2550 x 2390
 
4-Part
4-Part
6-Part
4-Part
8-Part
6-Part
9-Part
9-Part
 
2 x 2
2 x 2
2 x 3
2 x 2
2 x 4
3 x 2
3 x 4
3 x 3
 
1 x 150mm UC
1 x 250mm UB
1 x 250mm UB
1 x 250mm UB
1 x 250mm UB
2 x 250mm UB
2 x 250mm UB
2 x 250mm UB
 
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
BE/SS - 12/40
 
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB
LD/BB


* Decorative Brass (BE) or Stainless Steel (SS) edging can be added - just specify BE or SS and height (12mm or 40mm)
   after part no.
** Optional locking bolts are available for security or back pressure applications - specify standard bolts (LD) or Barri bolts
   (BB) after part no.

Note. Rhinocast access covers can be lifted with an AS3996 lifting key

To download the Rhinocast Multipart Installation Tutorial, click here.

Due to the number of removable components including beams and individual covers, multipart access covers by their very design cannot be made water tight. This is why      AS 3996-2006: Access covers and grates excludes large access cover systems from its scope. AS 3996-2006 requires compliance in a number of areas including gas and water tightness. ACO multipart covers are suitable for applications requiring general weather resistance on well drained enclosures. A reasonable degree of weather resistance can be achieved by sealing edges of covers, frame interfaces and lifting holes each time the cover is removed for servicing.

For applications requiring frequent access, ACO’s Servokat Assist lift covers are recommended.
Visit http://www.acoaus.com.au/access/assisted_lift.htm