Reinforced Concrete Manholes

OKA CORPORATION BHD. 200001017334 (519941-H)
Subsidiary Companies:
OKA Concrete Industries Sdn. Bhd. 198101001525 (67634-M)
OKA Engineering and Trading Sdn. Bhd. 199501000723 (329917-W)
OKA Readymixed Concrete Sdn. Bhd. 199501000786 (329980-T)
Real Charisma Sdn. Bhd. 199701027160 (442658-D)
Pembinaan Cahaya Emas Sdn. Bhd. 200201033557 (601222-W)
OKA Steel Sdn. Bhd. 201601034605 (1205546-U)

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Products > Manholes (old version, remove 09/11/2017)

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
**	Base Slab with 400mm thickness can be manufactured upon request to suit project's requirements.

Typical Deep Manhole

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