City Of Everett
Line Stop Fitting
Lift Station No. 1 & WPCF Chlorine Contact Channel Isolation Valve Replacement, City of Everett, WA # 2025 **** & ****- 1- 1- 2
Construction and/or installation of a new plug valve, precast vault, and line stop fitting along an existing 30inch ductile iron force main, and replacement of an existing 48inch butterfly valve. Project A: 1. Temporary erosion and sediment control measures. 2. Trenching, excavation, shoring, dewatering, bedding, backfill, and compaction for installation of a new plug valve, precast vault, and line stop fitting along an existing 30inch ductile iron force main. 3. Bypass pumping from backup LS 1B to the LS 1 wet well to facilitate installation of the line stop, new 30inch valve, and associated appurtenances. 4. Installing a line stop fitting, including pouring and curing a concrete block under the existing pipe to support the line stopping equipment, to execute a line stop and removing the line stop equipment and sealing the line stop fitting when the valve installation is complete. 5. Removing a portion of the existing 30inch ductile iron force main to facilitate installation of the new plug valve. 6. Instal
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