Public Jobs

The work generally consists of drilling a well to a depth of approximately 1,500 feet below ground surface using rotary method. The work includes sampling of geologic materials during drilling, installation of a 24-inch or 20-inch conductor casing, installation of either a 20-inch or 16-inch production casing, well development, site grading, installation of a temporary discharge system, testing, surface seal and cleanup.

The improvements for which bids will be received are generally described below: Bituminous surface treatment of approximately 3,300 SY of roadway. Approximately 18,000 LF of crack sealing over 0.85 miles city streets.

This project will provide street and pedestrian facility improvements, including the following: Removal of approximately 1670 SY of asphalt pavement. Approximately 1,600 LF of new curb & gutter. Approximately 580 SY of new sidewalk and 590 SY of cement concrete driveways (separated sidewalk with pedestrian landscape buffer). 6 ADA curb ramps and 6 crosswalks. Approximately 800 SY of bio-infiltration swales. The project is being funded by the Transportation Improvement Board funds P-E-883(P04)-1.

Screw Press Dewatering Equipment Procurement. The manufacture (Contractor) shall furnish and deliver one complete dewatering system including screw press, drive motors, gear reducers, support legs, anchor bolts, polymer make-down system and mixing, feed pump, conveyance system, and all necessary electrical panels and control. This project is funded through the Washington State Community Development Block Grant program with federal funds from the U.S. Department of Housing and Urban Development.

Base Bid work generally includes the following: • Mobilization and administration • Temporary bypass pumping for duration of construction • Demolition of existing facilities • New lift station building with metal roofing, soffits and fascia • Electronic pump hoist system and monorail I-beam • Refurbishment of existing wetwell including inspection and patching wetwell interior, new concrete top, hatch, piping modifications, access, etc. • Duplex submersible sewage pump system and appurtenances o Base Bid Schedule includes furnishing two (2) Grundfos recessed impeller pumps (Model No. SLV.30.A30.55/4) and one (1) spare pump. Refer to Alternative Bid Schedule description below for alternates. • New pre-cast concrete valve vault including piping, valves, magnetic flow meter, appurtenances, etc. • New water service connection including connection to existing main, pipe, reduced pressure backflow preventer, yard hydrant, etc. • Electrical controls, lighting, etc. • New emergency standby generator and propane tank • Replace existing effluent distribution box • Site work including clearing, grubbing, finish grading, gravel surfacing, drainage improvements, and site restoration • Chain link fencing and gates • Erosion control

This project will provide the full depth reclamation of the existing roadways with cement treated base and 5 inches of HMA surfacing, as well as the following: Removal and replacement of approximately 100 LF of storm piping; Installation of 2 type 1 catch basins and 1 type 2 grate inlet; Installation of approximately 90 SY of cement concrete driveway and 145 SY of sidewalk.

The Project includes reconstruction of the Town of Coulee Dam’s West Coulee Dam Lift Station. Major elements of work generally include: temporary bypass pumping, demolition of existing facilities, new precast concrete wet well and valve vault, duplex submersible pump system, retrofitting of existing concrete Imhoff tank, electrical and controls, new backup generator, piping and valving, connection to existing force main, earthwork, site improvements and surface restoration, and associated work.

The Project includes construction of the Twisp Ave. Watermain and Collection System Improvements.

Project # 127-38: This project will provide ADA ramp updates in the city’s downtown central business district, adjacent to the planned county chip seal on Main Avenue, and includes the following: • Removal and replacement of 22 ADA curb ramps with associated sidewalk, curbing, and asphalt repairs • Installation of approximately 35 SY of asphalt pavement • Approximately 500 SY of asphalt repair and 870 SY of prelevel

The proposed work generally includes construction of the following: Mobilization and administration; Temporary bypass pumping for duration of construction; Design and furnishing temporary shoring system; Refurbishment of the existing wetwell including: Removal/disposal of all items within the wetwell; Salvageable of existing pump(s) (to be delivered to City shop); Modifications to the wetwell including new top, structural retrofit, piping modifications, access, etc.; Duplex non-clog submersible sewage pump system and appurtenances including piping, guiderails, and level sensors; New pre-cast valve vault and associated valves, meter, fittings, appurtenances, etc.; Electrical equipment, panels, controls, lighting, housekeeping pad, etc.; Emergency standby generator and pad; Site work including concrete slabs and chain link fencing; Replacement of approximately 250 LF of existing 8” sewer force main with new 6” force main. Replacement of approximately 700 LF of existing 8” sewer gravity main with new 15” sewer main. Replacement of three (3) existing manholes and addition of one (1) new manhole. Utility work including locating and reconnecting existing sewer services to new sewer main, relocating Adams County Fire District’s water and sewer services, relocating existing gas service, new gas service, etc.; Surface replacement and restoration including gravel surfacing, HMA, sidewalk, driveways, curb, and landscaping; Subsurface rock removal/disposal; Traffic control; and Erosion control.