force main


Also found in: Acronyms.

force main

[′fȯrs ‚mān]
(civil engineering)
The discharge pipeline of a pumping station.
References in periodicals archive ?
Tenders are invited for work includes approx 2,370 lf of 6" pvc force main with 6" magnetic flow meter, valves and fittings with wet tap connection to the existing 6" force main; bypass pumping during rehabilitation, removal of existing 4" force main after the new force main is in operation, and restoration of the site, rehabilitation of existing wet well, demolition of underground valve box and its replacement with an aboveground valve pad, replacement of the base elbows, discharge piping, guiderail system, valves / fittings, electrical and rtu panels and antenna.
NASSCO's Pressure Pipe Committee has developed a comprehensive Force Main Technology Summary Matrix, available at nassco.
commissioner of public works and parks, said the project involves installing about 3,800 feet of a "PVC slip-liner" into the existing 24-inch-diameter pre-cast concrete pipe, or force main.
It was pulled off without a hitch when the city and county of Honolulu completed one of the longest and largest sewer force main installations in the United States using horizontal directional drilling (HDD) and microtunneling trenchless technologies.
A registered professional civil engineer, Sean has over 10 years of experience on public and private projects including public water supply projects involving transmission and distribution mains, sewer collection systems, sewer pump stations and force main systems, hydraulic modeling, roadway design, grading and storm drainage design, hydrologic studies, and infrastructure master planning.
Tenders are invited for work includes approx 308 lf of microtunneling 48" casing; 308 lf of installation of triple 16" carrier pipes in microtunnel casing; 210 lf of north dual 14" force main; 40 lf south dual 14" force main; 20 lf of additional footage of 14" force main, north; 80 lf of additional footage of 14" force main, south; 4 ea connect to existing ss force main; 80 lf of removal and disposal of asbestos cement pipe.
The pump station and force main will undergo retrofit, or replacement, in order to accommodate increased flow to the Missouri River wastewater treatment plant.
Tenders are invited for lift station force main line replacement, consisting of approx 1,200 - 1,500 lf of force main line, several potable water crossings within the pipeline area, and approx 600 lf of gravity line.
The project has RJN providing preliminary and final design, bidding assistance and construction assistance services for sewer improvements including design of 10,700 continuous linear feet of gravity sewer increasing diameter up to 30 inches; and design of a new 19,500 linear feet 24-inch parallel force main.
Failure in a force main segment can cause major disruptions in service with costly operational and environmental consequences.
x 3/8" wall thickness steel casing by bore including 12" dr18 c-900 pvc force main carrier pipe; 129 lf of pavement repair over force main trench (regardless of trench width), including compaction, 12" (minimum depth) crushed limestone base, and 2" type d hmac, see attached files and outside link.