Precast U drain and box culvert FAQ

Trilok Infratech Pvt Ltd manufactures precast RCC products: T25 U Shape Drain (Heavy), T6 U Shape Drain (Light), FT Flume Precast U Drain, Box Culvert and Earth Retaining Wall, all cast in M50–M75 grade concrete. The company brochure also lists cable trench and customized precast products, and customized sizes are available for mass quantity.

Our factory is at Survey No. 18, NH-8 to Velanja Road, Taluka Kamrej, Village Antroli, Surat, Gujarat 394150. Our precast products are cast and cured there.

Since 2005, when Trilok Infratech started manufacturing precast RCC infrastructure in Surat, Gujarat. The current precast range — T25 U Shape Drain, T6 U Shape Drain, FT Flume Precast U Drain, Box Culvert and Earth Retaining Wall — rolled out in 2021.

Trilok Infratech supplies clients in 3 countries — India, Senegal and Ecuador — including 18 states of India.

Call +91 95104 39933, email sales@trilokinfratech.com, or send the enquiry form on this website with the products, sizes and quantities you need.

T25 U Shape Drain (Heavy): 6 sizes, 300×300 mm to 1200×1200 mm, rated for a 5 T wheel load. T6 U Shape Drain (Light): 5 sizes, 300×300 mm to 900×900 mm. FT Flume Precast U Drain: B 600–2000 mm × H 900–1800 mm, in 8 height families. All 3 are made in 2000 mm long units in M50–M75 grade concrete. Customized sizes are available for mass quantity.

Size range: 300×300 mm to 1200×1200 mm. The dimension table lists 6 standard sizes (mm): 300 × 300, 450 × 450, 600 × 600, 750 × 750, 900 × 900 and 1200 × 1200.

Each precast unit is 2000 mm long (L = 2000 mm), so a 100 m run takes 50 units.

M50–M75 grade concrete.

5 T wheel load.

Typical applications: Storm water drains; Power and telecommunication cable ducts.

Yes: the T6 light-duty U drain. Lightweight precast U drain designed for residential, commercial, and low-traffic surface water drainage applications. Size range: 300×300 mm to 900×900 mm.

Size range: 300×300 mm to 900×900 mm. The dimension table lists 5 standard sizes (mm): 300 × 300, 450 × 450, 600 × 600, 750 × 750 and 900 × 900.

Each precast unit is 2000 mm long (L = 2000 mm), so a 100 m run takes 50 units.

M50–M75 grade concrete.

Typical applications: Storm water drains; Power and telecommunication cable ducts.

Yes: the T25 heavy-duty U drain. Heavy-duty precast RCC drain channel engineered for high-volume stormwater discharge in roads, highways, and industrial zones. Size range: 300×300 mm to 1200×1200 mm. Load rating: 5 T wheel load.

Size range: B 600–2000 mm × H 900–1800 mm. The dimension tables list 104 standard sizes in 8 height families (H 900, H 1000, H 1200, H 1300, H 1400, H 1500, H 1600 and H 1800), from 600 × 900 to 2000 × 1800 mm.

Each precast unit is 2000 mm long (L = 2000 mm), so a 100 m run takes 50 units.

M50–M75 grade concrete.

Live load 1 T/m² (10 kN/m²).

Typical applications: Storm water drains; Power ducts; Road crossings, as a replacement of pipe culverts.

Size range: 300×300 mm to 2500×2500 mm. The dimension table lists 25 standard sizes (mm), including 300 × 300, 500 × 500, 600 × 600, 800 × 800, 600 × 1000, 900 × 1000, 1000 × 1000, 1200 × 1000, 1000 × 600, 800 × 1400, 900 × 1400, 1000 × 1400, 1200 × 1400, 1300 × 1400 and 11 more.

It depends on the size: L = 2000 mm for 21 sizes (300 × 300 … 2000 × 2000) and L = 1500 mm for 4 sizes (2500 × 1500 … 2500 × 2500).

M50–M75 grade concrete.

Typical applications: Storm water drains; Power ducts; Road crossings; Replacement of pipe culverts.

Size range: H 600 mm to H 2500 mm (wall height). The dimension table lists 8 standard sizes (mm): H 600 mm, H 800 mm, H 1000 mm, H 1200 mm, H 1800 mm, H 2000 mm, H 2250 mm and H 2500 mm.

Each precast unit is 2000 mm long (L = 2000 mm), so a 100 m run takes 50 units.

M50–M75 grade concrete.

Typical applications: For the prevention of the soil erosion; To retain the soil nearby, Culvert, Underpass, Bridge, etc; To provide the stability in sloped soil; Landscaping.