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Seattle Parks and Recreation

Major Maintenance Project Information
Discovery Park - Waterline Replacement and North Parking Lot Restoration


Address: 3801 Discovery Park Blvd; Seattle, WA 98199

Current Status

This project is complete!
Seattle Parks and Recreation awarded the contract to Maroni Construction Inc. They started construction in early January 2015 and completed in spring 2015.

Andy Sheffer of Seattle Parks presented information about the Waterline Replacement and North Parking Lot Modifications during the West Point Advisory Council Meetings and a public meeting.

Project Description

Budget: Funding provided per the West Point Settlement Agreement
Construction begins: Fall 2014
Project complete: Spring 2015

Approximately 800 feet of the 8” water main along Kansas Ave that connects to the existing main in the intersection at the south and north ends of the road is being replaced. The existing east-west main between Kansas Ave and the valve assembly will serve as a carrier pipe for a new 2” service line to the Theater site area, and will supply several quick couplers.

Removal of the remaining service drive paving to the Theater site and restoration is planned. Restoration will consist of the removal of existing utilities and surface features, minor grading, and relocation of bollards. Areas of planting will be identified.

Removal of the west bound lane of the access roadway along the north side of the parking area is proposed to eliminate erosion to the ravine below. The area will be regraded to form a shallow swale for bioretention and water quality treatment of stormwater runoff, and a mulch or gravel path added. The roadway transition from the intersection at the east end of the pavement will be modified to accommodate the removal.

The parking lot modifications include the repair and removal of deteriorated paving and repairs to the storm drain outfall. Areas where the pavement is removed will be restored. The design for the failing drainage outfall and flume on the north side of the road will consist of either a pipe with a portion installed on the surface, or channel modifications consisting of log step-down for a more natural system, or a combination of these two schemes.

Community Involvement

Public Meeting 4/10/2012

*Note: To view a PDF, you must have Adobe Acrobat Reader. Download it for free at

Updated August 3, 2015

More Information

Robert Lee
Seattle Parks and Recreation
800 Maynard Ave S
Suite 300
Seattle WA 98134


Currently no project related public meetings or events are scheduled.


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