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2019 1st Quarter _ , � _ � 2 �t � � � � ' � North lake Dam(TX00832} Gty of Coppell,Texas Operation&Maintenance Manua) � Nordi Lake Dam � •�-1V[aintenance Inspection Checklist ( �mbanim�errt—Main Dam - � ' Dam Cvmporlent/Observation Good �air Poar N/A Comments i �� � � �� _ � Crest Misalignment - - -- � � Low Areas � . 1 Ernba�kment Slopes � � Si�khotes �eteriorated Grass Cover � Erosion Damage � Roderrt Activity 1� � '°urt Activity► �. - . ," Butges -� �--- � Boiis - - � - .... T�ees or Obscuring Brush _._ - � SFides or Stougf�s Cave In or Collapse � �� .. Seepage . � �enching . - - Displaoed Rodc Riprap ' � lntema/Dr�oinage System _ Clogged Manhoie � Qogged or Obscured Outlet Steady Ftow of Ciear Water � � Piezometen Missing Cover � Missing Cap Other: . � � September 2015 �lorth Lake Dam(TX00832) City of Coppell,Texas Operation &Maintenance Manual Embankment—Saddle Dam Dam Component/Observorion��" Govd Foir Poor : N/A Comments Crest Cracks -.. Crest Misalignment � Low Areas Embankmenr Slopes Sinkholes Deteriorated Grass Cover _ Erosion Damage � ✓ Rodent Activity � Ant Activity Bulges Boits " Trees or Obscuring Brush �- . . Slides or Sloughs �- - Cave In or Collapse " � _ Cracks - Seepage Benching , / v Oisplaced Rock Riprap Otfi�er: Drop Iniet Spiltway . . Dvm Component/Observation 600d Fair Poor N/A Comments Iniet Strudure Concrete Cracking or Spatling Construction/Expansion Joi�ts Vegetation in Gacks Trash Rack Rock Riprap in Approach September 2015 -- North Lake Dam (TX00832) City of Coppell,Texas Operation &Maintenance Manual Drop inlet Spiliway(continued) Dam Component/Observation Good. Fair Poor N/A Comments Discharge Chute and Stilling eosin Concrete Cracking or Spalling � ._ Construction/Expansion Joints Vegetation in Cracks � Conduit Headwall � Debris in Channei ✓ Downstream Rock Riprap Erosion Damage Downstream � Pilot Ci►annel and Loca!Drainage Concrete Cracking or Spalling Construdion/Expansion Joints Vegetation in Cracks �-• Debris in Channel . - Excessive Ponding Areas .,. Other: '" Additional Notes: �_ �- 20� � 1 S ECTOR DATE CITY ENGINEER DATE September 2015