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Precast products
engineered to perform.

U-shape drains, FT flume drains and box culverts, made from high-performance concrete in precision moulds. Standard sizes in stock, and custom sizes made to order.
U Drain (Light)
U Drain (Heavy)
FT Flume Drain
Box Culvert
Custom Precast
300 – 900 mm
Rachit Buildcon U Drain Light
Rachit Buildcon U Drain White
Rachit Buildcon U Drain Light
Technical drawing
01 · Drainage system

Precast U Drain
(Light)

A light, economical precast U-shaped drain for pedestrian areas and light-traffic zones. Each 2 m unit comes ready to lay with groove joints for a clean, continuous channel, with no shuttering or on-site curing.

Key features

  • Standard 2000 mm length
  • Tongue & groove joints
  • Standard or perforated lid covers
  • Smooth, uniform factory finish

Applications

Footpath & side drainsHousing societiesCampuses & parksStorm-water drainageCable & utility ducts

Drain dimensions (mm)

Size (a×c) L A H a c d e
300 × 300
2000
440
370
300
300
70
70
450 × 450
2000
610
520
450
450
75
70
600 × 600
2000
730
685
600
600
85
85
750 × 750
2000
890
845
750
750
95
95
900 × 900
2000
1070
1015
900
900
115
115

Lid cover detail (mm)

Drain size A′ B′ H
300 × 300
500
440
60
450 × 450
500
610
80
600 × 600
500
720
80
750 × 750
500
890
90
900 × 900
500
1060
100
  • Customised sizes available for mass quantity. All dimensions in mm.
Request a Quote
View Drawing
02 · Drainage system

Precast U Drain
(Heavy)

A heavy-duty U-drain with thicker walls and base, designed for roadsides and areas with vehicle traffic. It comes with heavy lid covers rated for a 5-tonne wheel load, so the drain can sit right next to, or under, traffic lanes.

Key features

  • Thicker walls & base
  • Heavy lid covers for 5 T wheel load
  • Sizes up to 1200 × 1200 mm
  • Lifting inserts for quick handling

Applications

Highways & city roadsIndustrial estatesParking & loading areasLogistics parksMunicipal drainage

Drain dimensions (mm)

Size (a×c) L A H a c d e
300 × 300
2000
540
480
300
300
65
70
450 × 450
2000
700
660
450
450
75
80
600 × 600
2000
860
835
600
600
85
90
750 × 750
2000
1050
1000
750
750
95
100
900 × 900
2000
1200
1170
900
900
115
120
1200 × 1200
2000
1500
1470
1200
1200
120
120

Lid cover detail (mm)

Drain size A′ B′ H
300 × 300
500
410
110
450 × 450
500
565
130
600 × 600
500
710
140
750 × 750
500
890
145
900 × 900
500
1050
150
1200 × 1200
500
1330
150
  • Customised sizes available for mass quantity. All dimensions in mm.
Request a Quote
View Drawing
5 T wheel load
Rachit Buildcon U Drain Heavy
Rachit Buildcon Drain Install
Rachit Buildcon U Drain Heavy
Technical drawing
Large sections
Rachit Buildcon Ft Flume Drain
Rachit Buildcon U Drain Stack
Rachit Buildcon Ft Flume Drain
Technical drawing
03 · Large drainage

FT Flume
Drain

A large-section precast flume drain for high-discharge channels. The flared profile with stiffening ribs carries large volumes of storm water or irrigation flow and stays strong under earth pressure.

Key features

  • Large flow capacity
  • Ribbed, flared profile for strength
  • 2000 mm modules for fast laying
  • Wide range of widths and depths

Applications

Storm-water channelsIrrigation canalsNala trainingCable ductsIndustrial effluent channels

Sizes

Available in a wide range of widths and depths, from about 900 mm up to large flume sections. See the technical drawing for the full size chart, or send us your flow requirement and our design team will recommend the right size.
  • Customised sizes available for mass quantity. All dimensions in mm.
Request a Quote
View Drawing
04 · Infrastructure

Precast Box
Culvert

Monolithic RCC box sections for road and rail crossings, storm-water and utility corridors. Socket-and-plug joints with grooves for a rubber gasket and mortar filling give a watertight, aligned line, and installation takes hours instead of weeks.

Key features

  • Socket & plug joints
  • Groove for rubber gasket & mortar
  • Haunched corners for strength
  • Laid on foundation concrete over crushed stone

Applications

Road cross-drainageRailway crossingsStorm-water culvertsUtility & cable tunnelsUnderpasses

Box dimensions (mm)

B × H B B1 H H1 Y z1 z2 L (overall)
1000 × 1000
1000
1260
1000
1260
150
60
60
2060
1200 × 1200
1200
1480
1200
1480
140
60
60
2060
1400 × 1300
1400
1700
1300
1570
150
70
70
2070
1400 × 1400
1400
1680
1400
1700
160
70
70
2070
1500 × 1500
1500
1780
1500
1720
160
75
75
2075
1800 × 1800
1800
2300
1800
2180
210
80
80
2080
2000 × 2000
2000
2340
2000
2880
210
80
80
2080

Wall thickness (mm)

Span B t1 t2
600 – 1000
100
150
1100 – 2000
150
200
2200 – 3000
200
250
  • Customised sizes available for mass quantity. All dimensions in mm.
Request a Quote
View Drawing
1000 – 2000 mm
Rachit Buildcon Box Culvert
Rachit Buildcon Culvert Stack
Rachit Buildcon Box Culvert
Technical drawing
Beyond the catalogue

Customised
precast products.

Need something that isn’t on the list? Share your drawing. Our in-house design team will design the mould, mix and reinforcement for it.
Discuss a custom product

Cable Trench

Precast trenches with covers for power, solar and telecom cable routes.

Manhole

Precast manhole sections and covers for sewer and storm-water networks.

Chamber

Inspection and valve chambers made to your size.

Earth Retaining Wall

Modular precast retaining walls for embankments and boundaries.

Paver Block

RCC interlocking paver blocks for roads, yards and pathways.

Kerb Stone

Precast kerbs for road edges, medians and footpaths.

Hume Pipe

RCC hume pipes for culverts, drainage and sewerage.

Smart Precast

Custom elements with built-in provisions for sensors, services and fixtures.

Why precast

Faster. Stronger.
Cleaner.

Faster installation

Ready units go in on arrival, with no shuttering, curing or waiting on site.

Consistent quality

Factory-controlled casting and curing give uniform strength and finish.

Less site disruption

Less dust, waste, water use and traffic diversion on site.

Long service life

Dense, high-performance concrete for maintenance-free performance.

Start your project

Have a project in mind?
Let’s build it precast.

Share your drawings, sizes or quantities. Our design team will help you pick the right product and send a quotation quickly.
Request a Quote
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