rising main


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riser

riser, 1
1. The vertical face of a stair step.
2. Any upright face, as of a seat, platform, etc.
3. A platform on the stage of a theater or concert hall on which a performer is placed.
4. A water-supply, drainage, gas, steam, or vent pipe which extends vertically, one full story or more, to service several branches or a group of fixtures.
5. An electrical cable which extends vertically, one full story or more, to distribute electrical power to electric panels on the different floors of a building.
6. A duct, which extends vertically, one full story or more, to distribute air to branch ducts on the different floors of a building.
7. A vertical supply pipe for a fire sprinkler system.
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References in periodicals archive ?
Providing & Installation of Electromagnetic flow meter on rising main water supply line of 8 MLD WTP and boosting station R1 & R2 at IMT RohtakEstimated Cost 817000.
RCC underground CWT, Pump Chamber, boundary wall, laying of rising main / distribution system, supplying and erection of pumping machinery in connection with Construction of boosting station and rising main for village Rajpura, Distt.
Tenders are invited for Providing, Laying, Jointing and testing of Gl Pipe for Rising main and distribution of various dias Job No.