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Sewerage / ADAC Version v6.0.0

MaintenanceShaft

Element representing a sewerage maintenance structure other than a Maintenance Hole.

Geometry: geometry_point_singlepoint
ADAC Versions
v4.1 v4.2 v5.0.1 v6.0.0 Introduced LATEST

Attributes

Required and optional XML attributes
Type enum
Required

Type of Maintenance Shaft

Accepted Values
ValueDescription
IS Inspection Shaft. An inspection opening fitted with a shaft to surface level sealed with a removable cap.
IT Inspection Tee. A tee fitting at the upstream end of a property connection sewer as an inspection opening with screw caps on all the inspection points.
Lamphole A legacy type of maintenance structure, typically with a DN375 concrete shaft.
MC Maintenance Chamber. A type of Maintenance Shaft with a diameter of at least DN450.
MS Maintenance Shaft. A proprietary maintenance structure usually prefabricated and of smaller diameter than a standard MH or MC.
RE Rodding End. A maintenance structure at the end of a DN150 reticulation sewer comprising a short radius bend and a vertical shaft, which terminates in a removable cover. (Used mostly on PVC sewer systems)
TMS Terminal Maintenance Shaft. A Maintenance Shaft installed at the end of a reticulation sewer.
TEP Terminal Entry Point. A maintenance structure used on the end of DN 250 or less polyethylene sewers comprising a short radius bend and a vertical shaft.
Unknown Type is unknown at time of data submission
Other Another Type not included in the Schema
T_1 A new type of maintenance shaft not yet in the Schema as agreed with the receiving entity
Diameter_mm positiveInteger
Required

Diameter of base of maintenance shaft

RiserDiameter_mm positiveInteger
Required

Diameter of shaft riser

SurfaceLevel_m float
Required

The height of the top surface of the lid, hatch, rim or roof. Surface level in metres against the vertical datum for this project.

InvertLevel_m float
Required

The height of the top surface of interior floor/bottom. Invert level in metres against the vertical datum for this project.

BaseMaterial enum
Required

Material type for maintenance shaft base

Accepted Values
ValueDescription
Concrete Concrete
FRP Fibre Reinforced Plastic
GRP Glass Reinforced Plastic
PE Polyethylene
PP Polypropylene
PVC Poly Vinyl Chloride
M_1 A new material not yet in the Schema as agreed with the receiving entity
M_2 A new material not yet in the Schema as agreed with the receiving entity
Unknown Material is unknown at time of data submission
Other Another material not included in the Schema
RiserMaterial enum
Required

Material type for maintenance shaft riser

Accepted Values
ValueDescription
Concrete Concrete
FRP Fibre Reinforced Plastic
GRP Glass Reinforced Plastic
PE Polyethylene
PP Polypropylene
PVC Poly Vinyl Chloride
M_1 A new material not yet in the Schema as agreed with the receiving entity
M_2 A new material not yet in the Schema as agreed with the receiving entity
Unknown Material is unknown at time of data submission
Other Another material not included in the Schema
LidType enum
Required

Lid Structure loading type

Accepted Values
ValueDescription
Trafficable Cast Iron
Non-trafficable Cast Iron
LidAccessRestraint enum
Required

Restraint applied to accessing structure

Accepted Values
ValueDescription
Bolt Down Lid is bolted down
Hinged Lid fixed by hinges on one side
Crab Pot Steel frame over lid with central pole allowing lid to raise and lower during overflow event. Used on Emergency Overflow Structures
Meshed Mesh added for void/fall protection
None Lid is free to lift off Maintenance structure allowing unimpeded access
LidMaterial enum
Required

Chamber lid configuration and material

Accepted Values
ValueDescription
Cast Iron Cast Iron
Aluminium Aluminium
CI Concrete Infill Cast Iron with Concrete Infill
Composite Composite
Concrete Concrete
DI Ductile Iron
PVC Poly Vinyl Chloride
PE Polyethylene
PP Polypropylene
MS Mild Steel
SS Stainless Steel
No Lid This structure has no lid (possibly because it has no roof)
M_1 A new lid material not yet in the Schema as agreed with the receiving entity
M_2 A new lid material not yet in the Schema as agreed with the receiving entity
Unknown Lid Material is unknown at time of data submission
Other Another lid material not included in the Schema
Manufacturer String_64
Optional

The Manufacturer of the unit

ModelNumber String_64
Optional

The standard code, model number or part number for the unit

CatchmentPS String_32
Optional

The identifier of the pumpstation that this node flows to.

LineNumber String_32
Optional

The identifier of the line that this node connects to

MH_Number String_32
Required

The identifier of this maintenance shaft

Chainage_m Float_Positive_NonZero
Optional

The distance upstream from end of line.

TieDistance_m Float_Positive_NonZero
Optional

The tie distance in metres to a cadastral corner

OffsetDistance_m Float_Positive_NonZero
Optional

The offset distance in metres from a cadastral boundary

Rotation Float_Direction
Required

Rotation angle (cartesian - anti-clockwise 0 degrees = East)