List_of_sites_damage_and_proposed_repair.xlsx
XLSX spreadsheet 12 KB Posted
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- DTFH7017B00028
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Sites damaged and proposed repair
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List of all sites (2)
WA FS ERFO 2016(1)-22(2)
Cowlitz Valley Road Repairs Phase 2
| ERFO Site Name | County | Latitude | Longitude | Damage Description | Proposed Repair | |
| 2018 & 2018 Construction | Road 2324 MP 0.6 | Skamania | 46°18'59.26"N | 121°44'10.46"W | Debris flow came down drainage, plugged culvert diverting water flow over the roadway and caused failure of roadway fill | Remove debris, reconstruct road and clean out exisitng culvert |
| Road 2325 MP 3.5 | Skamania | 46°16'30.54"N | 121°43'36.88"W | Plugged culvert inlet cuased water to flow across the road surface and erode the fill material and washing out a section of roadway | Reconstruct fill slope, install 30 inch culvert and restore roadway | |
| Road 25 MP 25.0 | Skamania | 46°15'49.29"N | 121°58'2.79"W | Saturated soils failed along road embankment for approximately 160 feet and underminded pavement shoulder | Reconstruct roadway shoulder with a Reinforced Soil Slope | |
| Road 2900 MP 7.6 | Skamania | 46°21'50.80"N | 121°48'7.77"W | Debris plugged the existing culvert causing water to overtop and erode the roadway emankment | Install 90 inch culvert, reconstruct embankment and restore roadway | |
| Road 2900 MP 9.3 | Skamania | 46°20'48.84"N | 121°47'28.72"W | Debris flow blocked culverts causing water to overtop the road and erode the roadway embankment | Install 48 and 60 inch culvert, reconstruct roadway emankment and restore roadway | |
| Road 2900 MP 10.2 | Skamania | 46°20'5.86"N | 121°47'23.17"W | Debris flow plugged culvert causing water to overtop the road and erode the roadway embankment | Remove debris, clean existing culvert, reconstruct embankment and restore roadway | |
| Road 2900 MP 10.4 | Skamania | 46°19'58.69"N | 121°47'19.28"W | Debris flow plugged culvert causing water to overtop the road and erode the roadway embankment | Remove debris, install 96 inch culvert, reconstruct emankment and restore roadway | |
| Road 8800 MP 19.7 | Skamania | 46°11'9.59"N | 121°41'15.31"W | Saturated soils failed under existing roadway | Replace culvert end section, reconstruct embankment and restore roadway | |
| Road 8800 MP 19.7XX | Skamania | 46°11'8.23"N | 121°41'11.04"W | Saturated soils failed under existing roadway | Replace culvert end section, reconstruct embankment and restore roadway | |
| Road 9000 MP 11.5 | Skamania | 46° 3'39.72"N | 122° 5'6.03"W | Saturated soils adjacent to roadway failed, causing debris to flow onto existing roadway | Repair cutslope and clean off the roadway | |
| Road 9000 MP 28.0 | Skamania | 46° 9'5.17"N | 121°53'33.53"W | Saturated soils failed under existing roadway | Reconstruct emankment and restore roadway | |
| Road 9000 MP 45 | Skamania | 46°14'36.44"N | 121°38'2.95"W | Water ran over roadway and caused failure of roadway fill | Reconstruct emankment and restore roadway | |
| Road 5400 MP 26.9 | Skamania | 45°55'41.89"N | 122°13'31.37"W | Debris flow blocked culverts causing water to overtop the road and erode the roadway embankment | Install 36 inch culvert, recontruct emankment and restore roadway |
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