Reinforced Concrete Manholes

OKA CORPORATION BHD. (519941-H)
Subsidiary Companies:
OKA Concrete Industries Sdn. Bhd. (67634-M)
OKA Engineering and Trading Sdn. Bhd. (329917-W)
OKA Readymixed Concrete Sdn. Bhd. (329980-T)
Real Charisma Sdn. Bhd. (442658-D)
Pembinaan Cahaya Emas Sdn. Bhd. (601222-W)

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Products > Manholes

PDF Brochure

REINFORCED CONCRETE MANHOLES

MS 881 PT 1 : 1991
SPAN Approved
(previously JPP Approved)

*
Contractors to ensure that distance from top of manhole cover to top step is 450 minimum and 600 maximum

Typical Deep Manhole

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