Everything around bridge stable.

Revegetated, no issues.

Banks are stable, no esc issues.

Monitor until townhomes completed and area cleaned.

Permit will be closed after townhomes completed and satisfactory cleanup of creek and surrounding area. Permit is currently just to monitor site.

All BMPs removed. Will continue to monitor until spring.

All BMPs removed. Grades down to water are in process of revegetation. No rilling or runoff into creek.

Bridge complete. No ESC corrections directly related to project.

ESC permit to remain open for a coordinated old BMP and construction related trash pick up in Walling Creek between the new bridge and Parkcenter. Partners will be Brighton Corp, Brighton Homes, Boise ESC divisision and BPR.

Date of pickup tbd, October or November.

Silt fence still around creek, other BMPs have been removed. Eagle Landscape is on site doing rock work near bridge. Trench with line running along sidewalk.

Bridge is complete, but not yet open WIP on park monument sign. Shoulders and banks have had a seed and tacifier application. No temp BMPs left in creek, trash around banks is picked up.

Corrections needed:

- remove downed section of SF on NW side of bridge along creek. Install new sediment barrier/buffer below the bank
- remove BMPs installed in basin between Warm Springs bypass and pathway.
- check erosion observed on shoulds of road between bypass and bridge, may need additional stabilization
- pay outstanding special investigation fees to the PDS permit desk

Turbidity samples of Walling Creek at first downstream pedestrian bridge were 190 NTU and 168 NTU. Well above the permissable +50 NTU over background level.

Plume had not reached east Parkcenter Bridge as of 12 PM. River is reading 13.9 NTU at Walling Creek confluence.


Crews moved dewatering hose to the basin between Greenbelt and Warm Springs bypass. Initial location where hose was moved too was found to have and outlet back to creek. This outlet now has additional controls should there be any overflow of first basin area.

2 hour investigation fee charged. Request to complete corrective action report and monitor until dewatering is complete, which is supposed to be today.

Discharge to waterway was stopped with 90 minutes of arriving at site.

Initial inspection, turbidity sampling, and investigation from 9:45-12 PM

WIP on bridge deck. No trackout to Warm Springs bypass or BV Drive. Staging area is clean, no spills , loose trash, or mud. Dewatering water is clear passing out of settling chamber.

RP stated that within in the next few weeks disturbed areas within creek area will be seeded with an approved wetland plant & seed mix (per Parks and Rec)

Inspection on Friday 1/19. No activity at site. No trackout or issues in staging area at MA Williams park. Concrete washout is lined and on north side of creek. Dewateriing on-going, water is not visibly turbid and is going through settling system and silt fence.

No corrections requested.

WIP on footings. Washout on site between green belt and warm springs ave. Water leaving site is cleaner than groundwater reaching surface. Excavating and hauling away fill dirt, no trackout issues.

dewatering check up.
No work today. Pumps are turned off and hole is flooded.

Dewatering in process. Coming out and pooling behind silt fence. Water is absorbing into ground into marsh. Didn't see any running surface water further down stream. Zane said they will sweep trackout up.

check on dewatering plan setup
dewatering not yet commenced. Materials for settling chamber are now on site. Syman Co. installing perimeter controls.

Note:

Need to have BPR and Brighton remove old silt fence along Walling Creek downstream from bridge site.

Will check back later today or tomorrow AM to confirm water treatment. There is some backed up water in Creek about 100 M downstream