SD 1641–compliant one-pipe headwall for subsoil drainage.
The VicRoads Concrete Single Batter Outlet is a one-pipe headwall for subsoil drainage systems that complies with VicRoads / DTP Standard Drawing SD 1641 (Type 1). It controls outlet discharge, prevents erosion, and ensures effective surface and subsurface water management.
Each unit is manufactured by SVC Products Pty Ltd from 32 MPa plain grey concrete reinforced with 5 kg/m³ Texo R58 fibres. The design incorporates an Ø100 PVC pipe and litter-guard collar cast in, a rear socket, and a 1.3 t Swiftlift for handling.
Related option: VicRoads Concrete Double Batter Outlet.
| Standard | VicRoads / DTP SD 1641 — Pavement Drain: Alternative Arrangements (Type 1) |
| Manufacturer | SVC Products Pty Ltd |
| Material | 32 MPa plain grey concrete + 5 kg/m³ Texo R58 fibres |
| Outlet fittings | Ø100 PVC pipe with litter guard collar and rear socket |
| Handling | 1 × 1.3 t Swiftlift lifting point |
| Approx. unit weight | ~367 kg |
| Overall dimensions | 900 mm × 715 mm × 390 mm |
| Associated drawings | SD 1611 (Subsurface Drain — Pits); SD 1631 (Pavement Drain — Terminals) |
| Variants | Single and Double Batter Outlets (Type 1 and Type 2) |
Note: Confirm project-specific levels, pipe connections, and bedding to the engineer’s design and VicRoads requirements.
| Product Code | Product Description | Dimensions | Weight | SD REF |
|---|---|---|---|---|
| VRBATOUTSING715 | Batter Outlet Single | 900mm x 715mm x 390mm | 370kg | SD 1641 |
Use: complies with VicRoads / DTP SD 1641 (Type 1). The authority publishes the standard detail; products are supplied to comply with it.
Single suits one subsoil line or lower combined flows. Choose Double where two lines terminate or higher combined flows are required.
SD 1611 (subsurface drain pits) and SD 1631 (pavement drain terminals). Follow the project design.
Projects commonly nominate 150mm outlets from pits; confirm upstream design and any transitions (e.g. to PVC/HDPE/FRC).
Yes—supply blank for site coring or pre-cored to order. Nominate pipe sizes, centres and invert levels at order.
Approx. 900mm x 715mm x 390mm and 370kg. Confirm exacts at quotation/order.
Often recommended for maintenance. Single flush-out riser sets are commonly used with single outlets; double sets with double outlets.
By the designer’s detail—e.g. rock beaching, apron slab, Reno mattress, or vegetated swales.
Delivery by truck to be forklift unloaded. Crane available on request. Ensure safe access, level ground and clear lifting zones at site.
Standard units are often available quickly; pre-cored/custom units require additional lead time. Confirm at RFQ.
Quantity, pre-coring details (sizes/centres/inverts), delivery suburb/postcode, required date, and any access constraints.
Yes—spec sheets and compliance info are available; customs may include shop drawings. Standard warranty against manufacturing defects applies.
366/368 Settlement Road
Thomastown Vic 3074 Australia
Ph: (03) 9464 1655
sales@convicaustralia.com.au
