WEBSTER DAM OUTLET WORKS METALWORKS

Location: ,MT,UNITED STATES
Project Type: New Construction
ProjectUse: Water & Sewage Piping
Project Budget: 500,000 to 1,000,000 USD
Contact Method : With Contact Details
Name : Gerri Voto , 316 NORTH 26TH STREET RM 2031 , BILLINGS , MT , 59101 , Ph: 406 247-7809

Posted on :June 20, 2012
Last Updated :June 20, 2012
Bid Date: 19/07/2012

Description:

Road[s],Water Piping,Sewage Piping

A. Complete removal of existing coating system, welding repair, application of new coating system, and handling and disposal of all waste material for the following description of elements (location of elements): 1. Interior of 48-inch steel outlet pipe from connection flange at Sta. 17+81.25 to connection flange at Sta. 20+59.00 (Outlet Works Horseshoe Tunnel). B. Application of new 2-coat coating system for spot repairs of the existing coating system with an additional, new 1-coat coating system for complete element overcoat, and handling and disposal of all waste materials for the following description of elements (location of elements): 1. All handrails and (2) ladders (1-mounted and 1-moveable) (Gate Chamber Structure); 2. Slide gate bonnet cover, hydraulic hoist, cylinder head, semi-automatic gate hanger, and (2) hydraulic fluid lines with 2 valves, 2 air vents, 2 pipe clamp assemblies and 1 support bracket assemblies (Gate Chamber Structure); 3. 8-inch dia. by-pass pipe and gate valve assembly (Gate Chamber Structure); 4. 6-inch dia. vacuum release valve assembly (Gate Chamber Structure); 5. 6-inch dia. ventilation piping (Gate Chamber Structure); 6. U-bolt hanger, (Gate Chamber Structure); 7. Four (4) upstream-most reservoir level gage pipe clamps (Outlet Works Horseshoe Tunnel). C. Application of new 2-coat coating system for spot repairs of existing coating system and handle and dispose of all waste materials for the following description of elements (location of elements): 1. Exterior of 48-inch steel outlet pipe (Outlet Works Horseshoe Tunnel). 2. Eight (8) base plates, sixteen (16) bearing plates, sixteen (16) bearing shoes and sixteen (16) erection fixtures for 48-inch pipe support rings (Outlet Works Horseshoe Tunnel); and, D. Removal of existing studs in the slip-on flange for the abandoned 3-inch pipe in Gate Chamber Structure, and install new, plate flange with associated expansion bolts, and application of a new coating system.