Dam Safety Inspection ChecklistComplete All Portions of This Section (Pre-inspection)Date of Inspection:Name of Dam:EAP: (yes, no) OM&I: (yes, no)File Number:Review Inventory - Highlight missing information (Pre -inspection)Owner s Name(s):Address:City:State:Telephone (Home):Contact Person:Designed By:Constructed By:Year Completed:Purpose of dam:Zip ( 4):Telephone (Work):Telephone:Plans Available (Yes, No) (location):Interview with Owner (at the site):Owner/Representative present: (Yes, No) Name(s):Double check address, telephone #, purpose (check - ) GHow long have you owned dam - previous name/owner?EAP/OM&I: up-dated-(yes, no) & location:Operate lake drain (times per year, accessibility):Mowing (times per year):Prior problems (wet areas, erosion, slides):Repair or modification (what & when):Failure/Incident/Breach (max. pool):Downstream hazard status (recent changes):Do you know the in-depth details of the construction of your dam? (If yes - ask next three questions, if no - go toField Information Section)Core trench material and location:Volume of fill (earth or rock) in dam:Foundation (earth or rock) of dam:Field Information (while at site)Pool Elevation (during inspection):Site Conditions(temp., weather, ground moisture):Inspection Party:Maximum Height:Normal Pool Surface Area:Time:(measured or inventory appears correct)(measured or inventory appears correct)(a.m. p.m.)
* VEGETATION* Trees:Gradient: Horizontal:Vertical:(est, meas.)NoneMonitorMaintenanceEngineerUPSTREAM SLOPE[no problem]****Quantity: ( 5, sparse, dense)Diameter: ( 6", 6-12", 12")Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:* Brush:****Quantity: (sparse, dense)Location:(adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:* Ground Cover:****Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:********* SLOPE PROTECTION [no problem, could not inspect thoroughly]* None* Riprap: Average Diameter:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)Notes:***** Wave Berm:* Concrete Slabs: (cracked, settlement, undermined, voids, deteriorated, vegetation)****Vegetation: (adequate, bare, sparse, improper vegetation)Notes:Notes:***** Other:* EROSION [no problem, could not inspect thoroughly]* Wave Erosion (Beaching): Scarp: Length:Height:****Notes:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:* Runoff Erosion (Gullies):* INSTABILITIES [no problem, could not inspect thoroughly]* Slides: Transverse Length:Depth:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway, Lake Drain}NoneMonitorMaintenanceEngineer* Transverse * Longitudinal * OtherLength:Width:Quantity:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:* Cracks:****Longitudinal Length:Scarp: Width:Length:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Crack: th:Length:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:
NoneMonitorMaintenanceEngineerDepth:***** Bulges * Depressions * Hummocky***** Other* Transverse* LongitudinalLength:Width:Quantity:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:* Cracks:Size:Height:Depth:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:***** Bulges * Depressions * HummockySize:Height:Depth:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:***** OTHER [no problem, could not inspect thoroughly]* Rodent Burrows: (few, numerous)Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:***** Ruts:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)***** Other:Notes:[no problem](est, meas.)***** VEGETATION* Trees:Width:Quantity: ( 5, sparse, dense)Diameter: ( 6", 6-12", 12")Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes:***** Brush:Quantity: (sparse, dense)Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes:***** Ground Cover:Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:* EROSION [no problem, could not inspect thoroughly]* Runoff Erosion (Gullies): Quantity:Depth:Width:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:Length:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway, Lake ST
NoneMonitorMaintenanceEngineer***** ALIGNMENT [no problem, could not inspect thoroughly]* Vertical: * Low Area:****Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Elevation Difference:Length:Notes/Causes:* Horizontal:Notes/Causes:* WIDTH [no problem]* Too Narrow[no problem, could not inspect thoroughly]Depth:* Transverse * Longitudinal * OtherLength:Quantity:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:Width:****Depth:* Bulges * Depressions * HummockySize:Height:Depth:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:* Bulges * Depressions * Hummocky***** Cracks:***** Transverse * Longitudinal * OtherLength:Width:Quantity:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:***** INSTABILITIES* Cracks:****Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:* OTHER [no problem, could not inspect thoroughly]* Rodent Burrows: (few, numerous)****Size:Height:Depth:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Notes/Causes:* Ruts:Location: (adj. to structure, entire crest, lt end, rt end, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)***** Other:****Location: (adj. to structure, entire crest, lt end, rt end, middle, see tream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway, Lake Drain}
(est, meas.)[no problem]****Quantity: ( 5, sparse, dense)Diameter: ( 6", 6-12", 12")Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:* Brush:****Quantity: (sparse, dense)Location:(adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:* Ground Cover:****Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:* EROSION [no problem, could not inspect thoroughly]* Runoff Erosion (Gullies): Quantity:Depth:Width:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:Length:* INSTABILITIES [no problem, could not inspect thoroughly]* Slides: Transverse Length:Depth:* Transverse * Longitudinal * OtherLength:Quantity:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:Width:***** Bulges * Depressions * HummockySize:Height:Depth:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:Size:Height:Depth:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway, Lake Drain}NoneMonitorMaintenanceEngineer* Bulges * Depressions * Hummocky****Depth:***** Cracks:***** Transverse * Longitudinal * OtherLength:Width:Quantity:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes/Causes:****Longitudinal Length:Scarp: Width:Length:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Crack: Width:Depth:Notes/Causes* Cracks:NoneMonitorMaintenanceEngineer* VEGETATION* Trees:Vertical:****DOWNSTREAM SLOPE Gradient: Horizontal:
* None* Monitor* Maintenance* Engineer* OTHER [no problem, could not inspect thoroughly]* Rodent Burrows: (few, numerous)Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Notes:***** Ruts:Location: (adj. to structure, entire slope, lt end, rt end, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)***** Other:* SEEPAGE [no problem, could not inspect thoroughly]* Wet Area * Flow * Boil * Sinkhole***** Boil * SinkholeSize:* None* None* None* EMBANKMENT DRAINS [none, none found, no problem, could not inspect thoroughly]Type: * Toe Drain * Relief Wells * Other:Flow Rate:Location:Notes:Size:***** FlowFlow RateLocation:* Aquatic Vegetation* Rust Colored Deposits* Sediment in Flow* Other:Notes/Causes:* None* None* NoneNumber:* MONITORING INSTRUMENTATION [none, none found, no problem, could not inspect thoroughly]* None Found * Piezometers* Weirs/Flumes* Other* Periodic Inspections by:Notes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway, Lake Drain}***** Wet AreaSize:NoneMonitorMaintenanceEngineerFlow RateLocation:* Aquatic Vegetation* Rust Colored Deposits* Sediment in Flow* Other:Notes/Causes:****Notes:
* GENERAL INLET [no problem, could not inspect thoroughly]* Anti-Vortex Plate [None] Dimensions:(adequate, too small,)* None* Monitor* Maintenance* EngineerPRINCIPAL SPILLWAY* Flash Boards [None]****Type: (steel, concrete, aluminum, stainless steel, corrugated metal wood, other):Deterioration: (missing sections, rusted, collapsed)Notes:* INLET OBSTRUCTION [no problem, could not inspect thoroughly]* Debris: (leaves, trash, logs, branches, ice)* Trees: Quantity: ( 5, sparse, dense)****(adequate, too small, too large)[None]Opening Size:Type: (metal bars, fence, screen, concrete, baffle, other):Deterioration: (broken bars, missing sections, rusted, collapsed)Notes:***** Trashrack****Type: (metal, wood):Deterioration:Notes:Quantity: (sparse, dense)Location: (entire inlet, lt side, rt side, middle, see dwg)Notes:* Other:(beaver activity, trashrack opening too small, partially/completely blocked, i.e.)***** Brush:****Diameter: ( 6", 6-12", 12")Location: (entire inlet, lt side, rt side, middle, see dwg)Notes:Notes:[no problem, could not inspect thoroughly](loss of coating/paint, surface rust, corrosion (pitting, scaling), rusted out, pipe deformation )***** INLET MATERIALS* Metal* Concrete(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, :* Plastic(deterioration, cracking, deformation )Dimensions:Location:Notes/Causes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway-Inlet, Emergency Spillway, Lake *(isolated crack, exposed rebar, disintegration, other)NoneMonitorMaintenanceEngineer(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)****Dimensions/Location:Notes/Causes:
* None* Monitor* MaintenanceEngineer** Earthen* Ground Cover:Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:***** Erosion: (wave, surface runoff)Description (height/depth/length/etc):Notes:***** Ruts:Location: (entire inlet, lt side, rt side, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)Average Diameter:***** Riprap:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)Notes:***** Rock-Cut (weathered, erosion)Description:Notes:***** Other:***** OTHER INLET PROBLEMS [no problem, could not inspect thoroughly]* Mis-Alignment:(pipe, chute, sidewall, headwall)* Pipe DeformationLocation/Description:Notes/Causes:***** Separated Joint * Loss of Joint MaterialLocation/Description:Notes/Causes:***** ., ms.) Brdth* OUTLET OBSTRUCTION [no problem, could not inspect thoroughly]* Debris: (leaves, trash, logs, branches, ice)* Trees: Quantity: ( 5, sparse, dense)(est., ms.)****Width****[no problem, could not inspect]Notes:***** OPEN CHANNEL CONTROL SECTION***** Other:***** Other:(beaver activity, partially/completely blocked, i.e.)Quantity: (sparse, dense)Location:(entire outlet, lt side, rt side, middle, see dwg)Notes:Notes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway-Inlet/Outlet, Emergency Spillway, Lake Drain}NoneMonitorMaintenanceEngineer* Brush:****Diameter: ( 6", 6-12", 12")Location: (entire outlet, lt side, rt side, middle, see dwg)Notes:
Dimensions:Location:Notes/Causes:* None* Monitor* Maintenance* Engineer* OUTLET MATERIALS [no problem, could not inspect thoroughly]* Metal (loss of coating/paint, surface rust, corrosion (pitting, scaling), rusted out, pipe deformation )(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, other)** *** *** *** ** Concrete* Plastic(deterioration, cracking, deformation )Dimensions:Location:Notes/Causes:* Earthen* Ground Cover:Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:* Erosion: (other, surface solated crack, exposed rebar, disintegration, other)****(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map s:Location: (entire inlet, lt side, rt side, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)* Riprap:Average Diameter:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)***** Ruts:****Description otes:* OTHER OUTLET PROBLEMS [no problem, could not inspect thoroughly]* Mis-Alignment:(pipe, chute, sidewall, headwall)* Pipe DeformationLocation/Description:Notes/Causes:* Separated Joint* Loss of Joint Material* Undermining:***** Monitor***Maintenance*Engineer******* Other:***** Rock-Cut (weathered, m Slope, Crest, Downstream Slope, Seepage, Principal Spillway-Outlet, Emergency Spillway, Lake Drain}
Notes:NoneMonitorMaintenanceEngineer***** None* (endwall/headwall, plunge pool, impact basin, flip bucket, USBR, baffled chute, rock lined channel)****OUTLET EROSION CONTROL STRUCTURE (Stilling Basins)Components (baffle blocks, chute blocks, endsill)***** MATERIAL [no problem, could not inspect thoroughly]* Riprap: Average Diameter:(adequate,sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)Notes:***** Concrete********(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, *(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, other)Dimensions/Location:Notes/Causes:***** OTHER [no problem, could not inspect thoroughly]* Mis-Alignment:( sidewall, headwall, entire :Description:Notes/Causes:* Loss of Joint Material***** Separated Joint***** Undermining:Location:Description:Notes/Causes:(See SEEPAGE Section for Toe Drains & Relief Wells)Size:* Other:Number:Type: * Weep HolesFlow Rate:Location:Notes:* Relief DrainsSize:* Other:Number:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway-Outlet Erosion Control Structure, Emergency Spillway, Lake Drain}NoneMonitorMaintenanceEngineer* Relief Drains****[none, none found, no problem, could not inspect thoroughly]* Weep HolesType:Flow Rate:Location:Notes:***** DRAINS***** Other:
NoneMonitorMaint.EngineerEMERGENCY SPILLWAY* GENERAL INLET [no problem, could not inspect thoroughly]* Anti-Vortex Plate [None] Dimensions:(adequate, too small,)********* None FoundType: (steel, concrete, aluminum, stainless steel, corrugated metal wood, other):Deterioration: (missing sections, rusted, collapsed)Notes:[None]Opening Size:Type: (metal bars, fence, screen, concrete, baffle, other):Deterioration: (broken bars, missing sections, rusted, collapsed)Notes:(adequate, too small, too large)* INLET OBSTRUCTION [no problem, could not inspect thoroughly]* Debris: (leaves, trash, logs, branches, ice)* Trees: Quantity: ( 5, sparse, dense)***** Trashrack****[None]Type: (metal, wood):Deterioration:Notes:********* Flash BoardsQuantity: (sparse, dense)Location: (entire inlet, lt side, rt side, middle, see dwg)Notes:* Other:(beaver activity, trashrack opening too small, partially/completely blocked, i.e.)***** Brush:****Diameter: ( 6", 6-12", 12")Location: (entire inlet, lt side, rt side, middle, see dwg)Notes:Notes:[no problem, could not inspect thoroughly](loss of coating/paint, surface rust, corrosion (pitting, scaling), rusted out, pipe deformation )***** INLET MATERIALS* Metal* Concrete(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, :* Plastic(deterioration, cracking, deformation )Dimensions/Location:Notes/Causes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway-Inlet, Lake *(isolated crack, exposed rebar, disintegration, other)NoneMonitorMaintenanceEngineer(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)****Dimensions/Location:Notes/Causes:
* None* Monitor* MaintenanceEngineer** Earthen* Ground Cover:Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:***** Erosion: (wave, surface runoff)Description (height/depth/length/etc):Notes:***** Ruts:Location: (entire inlet, lt side, rt side, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)Average Diameter:***** Riprap:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)Notes:***** Rock-Cut (weathered, erosion)Description:Notes:***** Other:***** OTHER INLET PROBLEMS [no problem, could not inspect thoroughly]* Mis-Alignment:(channel, chute, sidewall, headwall) * Pipe DeformationLocation/Description:Notes/Causes:***** Separated Joint * Loss of Joint MaterialLocation/Description:Notes/Causes:***** Undermining:Location/Description:Notes/Causes:* OUTLET OBSTRUCTION [no problem, could not inspect thoroughly]* Debris: (leaves, trash, logs, branches, ice)* Trees: Quantity: ( 5, sparse, dense)****(est., ms.)****(est., ms.) BrdthNotes:***** OPEN CHANNEL CONTROL SECTION [no problem, could not inspect] Width***** Other:***** Other:(beaver activity, partially/completely blocked, i.e.)Quantity: (sparse, dense)Location:(entire outlet, lt side, rt side, middle, see dwg)Notes:Notes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway-Inlet/Outlet, Lake Drain}NoneMonitorMaintenanceEngineer* Brush:****Diameter: ( 6", 6-12", 12")Location: (entire outlet, lt side, rt side, middle, see dwg)Notes:
* Concrete(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, tion:Notes/Causes:* *** *** *** *** OUTLET MATERIALS [no problem, could not inspect thoroughly]* Metal (loss of coating/paint, surface rust, corrosion (pitting, scaling), rusted out, pipe deformation )* Plastic(deterioration, cracking, deformation )Dimensions:Location:Notes/Causes:* Earthen* Ground Cover:Type: (grass, crown vetch) Other:Quantity: (bare, sparse, adequate, dense)Appearance: (too tall, too short, good)Notes:* Erosion: (other, surface solated crack, exposed rebar, disintegration, other)****(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map s:Location: (entire inlet, lt side, rt side, middle, see dwg)Depth:WidthLength:Notes/Causes: (truck/auto, motorcycle, ATV, animals, pedestrian)* Riprap:Average Diameter:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)***** Ruts:****Description (width/depth/length/etc):Notes:Notes:* Rock-Cut (weathered, erosion)****Description:Notes:* Separated Joint* Loss of Joint MaterialLocation/Description:Notes/Causes:* Undermining:Location/Description:Notes/Causes:* Other:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway-Outlet, Lake Drain}****Location/Description:Notes/Causes:***** OTHER OUTLET PROBLEMS [no problem, could not inspect thoroughly]* Mis-Alignment:(channel, chute, sidewall, headwall)* Pipe **** Other:
NoneMonitorMaint.Engineer***** None* (endwall/headwall, plunge pool, impact basin, flip bucket, USBR, baffled chute, rock lined channel)****OUTLET EROSION CONTROL STRUCTURE (Stilling Basins)Notes:* MATERIAL [no problem, could not inspect thoroughly]* Riprap: Average Diameter:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no)****Components (baffle blocks, chute blocks, endsill)Notes:***** Concrete********(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, *(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, other)Dimensions/Location:Notes/Causes:***** OTHER [no problem, could not inspect thoroughly]* Mis-Alignment:( sidewall, n:Description:Notes/Causes:* Loss of Joint Material***** Separated Joint***** Undermining:Location:Description:Notes/Causes:(See SEEPAGE Section for Toe Drains & Relief Wells)Size:* Other:Number:Type: * Weep HolesFlow Rate:Location:Notes:* Relief DrainsSize:* Other:Number:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway-Outlet Erosion Control Structure, Lake Drain}NoneMonitorMaintenanceEngineer* Relief Drains****[none, none found, no problem, could not inspect thoroughly]* Weep HolesType:Flow Rate:Location:Notes:***** DRAINS***** Other:
Notes:NoneMonitorMaint.Engineer***** Operated During Inspection (yes, no)***** GENERAL* None Found * Does not have one* Type of Lake Drain (isolated control/intake tower, valve vault w/ outlet conduit, valve in riser/drop inlet, siphon)****LAKE DRAINNotes:***** ACCESS TO VALVE/SLUICE GATE [no problem, could not inspect thoroughly]* Type (not accessible, from shore, boat, walkway, other)Notes:(platform, piers, end supports, railing)***** Walkway/Platform:* Concrete Deterioration * CracksLocation:Notes:***** Wood DeteriorationNotes:***** Metal Deterioration(minor, moderate, extensive, other)Notes:[no problem, could not inspect thoroughly]***** LAKE DRAIN COMPONENTS* Concrete Structure* Valve Control (Operating Device)* No Stem* No Operating DeviceNotes/Operability:* Bent/Broken Stem* Other***** Valve / Sluice Gate* Metal Deterioration: (surface rust, minor, moderate, extensive, other)****Location:Description: (deterioration, misalignment, cracks):Notes/Causes:Location:Flow Rate:Notes/Causes:***** MisalignmentNotes/Causes:***** Leakage - Flow Rate:Notes/Causes:***** Valve / Sluice Gate* Metal Deterioration: (surface rust, minor, moderate, extensive, other)Location:Flow Rate:Notes/Causes:Notes/Causes:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway,Lake Drain}NoneMonitorMaintenanceEngineer********* Misalignment - Notes/Causes:* Leakage - Flow Rate:
NoneMonitorMaintenanceEngineer***** Outlet Conduit* Metal:(loss of coating/paint, surface rust, corrosion (pitting, scaling), rusted out)Location:Notes/Causes:* *** *** *** *** Concrete(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, other)Dimensions/Location:Notes/Causes:***** Plastic:(deterioration, cracking)* Mis-Alignment:* Separated Joint* Loss of Joint MaterialLocation:Notes/Causes:***** Conduit ription:Notes/Causes:***** ***** Vegetation (trees, brush)Notes:* Other:Notes:***** Energy Dissipator* Type (endwall, plunge pool, impact basin, stilling basin, rock-lined channel, none)Notes:Average Diameter:***** Riprap:(adequate, sparse, displaced, weathered, vegetation) (bedding/fabric noted - yes, no))Notes:* Concrete************(bug holes, hairline crack, efflorescence)(spalling, popouts, honeycombing, scaling, craze/map cracks)(isolated crack, exposed rebar, disintegration, other)Dimensions/Location:Notes/Causes:***** *** Separated Joint * Loss of Joint MaterialLocation/Description:Notes/Causes:***** s:{Upstream Slope, Crest, Downstream Slope, Seepage, Principal Spillway, Emergency Spillway,Lake Drain}NoneMonitorMaintenanceEngineer***** Other:
Name of Project:File iptionDam Inspection Survey Notes
Height ClassFinal Class:IIfeet 60' - Class I 40' - Class II 25' - Class III 25' - Class IVXStorage ClassExemptIIIIIIHorizontal distance from stream to affected structure (feet)Height of dam as measured Vertical distance from streambed to base of affected structure (feet)HEIGHTDistance downstream from dam to affected structure (feet)IVNo hazard to structure notedIIILosses restricted mainly to the dam and agricultural/ruralDamage to local roads (county & township)Damage rural bldgs. & not otherwise high-valued property, Class IV dams/leveesDamage to railroads or public utilitiesIDamage to interstates & state routes and only access to homes/critical facilitiesLoss of high-value property (flooding of homes & business, damage to Class I, II & III dams)A possilble health hazard (loss of public water, wastewater treatment facility)Loss of human life (plausible circumstances envisioned to cause loss of life)DAM CLASSIFICATION CHECKLISTName of Dam:File Number:Permit Number:County:Date:Engineer:STORAGEEXEMPTStorage volume at top of dam 5000 acre-feet - Class I 500 acre-feet - Class II 50 acre-feet - Class III 50 acre-feet - Class IVIV (circle one)acre-feetHeight 6 feetStorage 15 acre-feet6 feet Height 10 feet& Volume 50 acre-feetPOTENTIAL DOWNSTREAM HAZARDHazard ClassClass Changed (Yes, No)
Dam Safety Inspection Checklist Complete All Portions of This Section (Pre-inspection) Date of Inspection: Name of Dam: File Number: EAP: (yes, no) OM&I: (yes, no) Review Inventory - Highlight missing information (Pre -inspection) Owner s Name(s): Address: City: State: Zip ( 4): Telephone (Home): Telephone (Work): Contact Person: Telephone .
Blue Ridge Dam Hiwassee Dam Apalachia Dam Fontana Dam Tellico Dam Ft. Loudoun Dam & Lock Melton Hill Dam . Tennessee Valley Authority (TVA), the people of the Tennessee Valley, and our . Energy Solutions group. The Organizationa
Blue Ridge Dam Hiwassee Dam Apalachia Dam Fontana Dam Tellico Dam Ft. Loudoun Dam & Lock Melton Hill Dam . American Museum of Science and Energy Buffalo Mountain Ijams Nature Center Morgan County Vocational Technical School Adventure . Tennessee Valley. Jill M. Matthews Deputy Inspector G
Dictionary Batter. an optional sloped extension at the dam heel. Dam heel: the most upstream part of the dam foundation Dam toe: the most downstream part of the dam foundation Discharge section: a part of the dam where the spillway is located Overflow: a discharge section over the crest of the dam.
km - hm - dam Multiplico por 100. De dm a hm: dm - m - dam - hm dos Divido entre 1.000. EJEMPLO 2 Expresa en tu cuaderno en la unidad indicada. 3 hm en dam 56 cm en m 192 mm en dm 7 dm en mm 932 dam en km 2.500 cm en dam 2,9 dam en m 7,3 dm en dam 0,26 hm en cm 0,05 km en cm 4.200 mm en m 9.700 dm
Colorado River below Hoover Dam and below Parker Dam, and between the Colorado River below Parker Dam and above Imperial Dam, 1990-2016. 15 9. Monthly flow-weighted dissolved-solids concentration difference between the Colorado River below Hoover Dam and Parker Dam, and between the Colorado
DAM SAFETY INSPECTION REPORT HOLLOWAY DAM DAM ID 64 FLINT RIVER GENESEE COUNTY – SECTION 11, T08N, R08E OWNER/OPERATOR: City of Flint 1101 South Saginaw Street, Suite N102 Flint, Michigan 48505 HAZARD POTENTIAL CLASSIFICATION: High INSPECTION DATE: August
Safety InSpectIon checklISt This checklist can be used as a starting point. Some construction companies will not need a safety inspection checklist as comprehensive. Feel free to customize this checklist to fit your needs. Company Name _
INTRODUCTION TO FIELD MAPPING OF GEOLOGIC STRUCTURES GEOL 429 – Field Geology Department of Earth Sciences Montana State University Dr. David R. Lageson Professor of Structural Geology Source: Schmidt, R.G., 1977, Geologic map of the Craig quadrangle, Lewis and Clark and Cascade Counties, Montana: U.S. Geological Survey GQ-1411, 1:24,000. 2 CONTENTS Topic Page Introduction 3 Deliverables 4 .