Laserfiche WebLink
ENGINEER'S INSPECTION REPORT DATE.: 9/4/20D8 <br />DAM NAME: PRCH WASTEWATER TREATMENT DAM I.D.: 280110 <br />No conditions observed that aucear tothreaten the immediate safety of the dam. <br />Based on this Safely Inspection and recent file review, the overall condition is determined to be: <br />x(71) SATISFACTORY ^(72} CONDmoNALLY SATISFACTORY ~(73) UNSATISFACTORY <br />MAINTENANCE •YDIDRREPAIR-MONITORING <br />$ w ~ ~(80) PROVIDE ADDRIONAL RIPRAP: - -- .. - - - - _- . . . <br />o G a Y y [)(at) WBRICATE AND OPERATE OUTLET GATES THROUGH FULL CYCLE: <br />----------------------------------------------------------------------------------------- <br />-------- <br />d s ~ m ~ j+~(82) CLEAR TREESAND/OR BRUSH FROM: (OC811y On eN SIOpe3 and trees in Spillway. <br />v ~ a a ~ ^(a3) INITIATE RODENT CONTROL PROGRAM ANO PROPERLY BACKFILL EXISTING HOLES: <br />oa v O ~ ,~ 0(e4) GRADE CREST TO A UNIFORM ELEVATION WITH DRAINAGE TO THE UPSTREAM SLOPE: <br />E, ~ o ~ E ---- .-_-.. ...._-. .. .. .. -- -- ----------- ----- ------ <br />a N O n(85) PROVIDE SURFACE DRAINAGE FOR: <br />Sa a._ - ---------------------------- .---... -.-._ .. <br />~~ N a ~ c ~](ea) MONITOR: Continue piezometer monitoring and"repiace missing capon p(ezometer (see (115)). (86a) Visually monitortoe drain torchanges. <br />~.~ °~ ~ ~ Lj(87) DEVELOP AND SUBMR AN EMERGENCY ACTION PLAN: <br />.a o ~ a a ~J(~) OTHER Remove beaver dam In downstream outlet channel to gain access to toe drain outfall. <br />~ 01 o U(es) OTHER <br />c ~ ENGINEERDiG • EMPLOY AN ENGINEER EXPERIENCED IN DESfGN AND CON5rRUCTKIN Of DAMS T0: Wads ~ $ fica5ons mint be y g pri j <br />a ~ E ° o ( pea approved b State En lrtaer Dr tD aulsUudlon. <br />.~~. ~ a ~ '} ~(>~) PREPARE PLANS AND SPECIFICATIONS FOR REHABILITATION OF THE DAM: <br />~ ~s c ~ !~(91) PREPARE AS-BUILTDRAWING50F: <br />~ ~°,, a r I ~(82) PERFORM A GEOTECHNICAL INVESTIGATION TO EVALUATE THE STABILITY OF THE DAM: <br />$. ~ ;~ ~ E j.J(s3) PERFORM A HYDROLOGIC STUDY TO DETERMINE REQUIRED SPILLWAY SIZE: <br />a a`..t° l(ea) PREPARE PLANS AND SPECIFICATIONS FOR AN ADEQUATE SPILLWAY: <br />~ ~ r ~ H r ______________________________._-__._----_-_______________.-_______..___-__.-.__.-__-___-.--. ___-__~ <br />~ o o ~ ~ ;~(~) SET UP A MONITORING SYSTEM INCLUDING WORK SHEETS. REDUCED DATAAND GRAPHED RESULTS: <br />-. ... -~- --....-.. ._.. ...-.. .. -. .._.. ..- .. r <br />c a a.. 3 ~(~) pERFORM AN INTERNAL INSPECTION OF THE OUTLET: <br />w~co <br />m ~ ~ ~ ~(97) OTHER: <br />~ E o N~ _..----•--------..._-.._...- -- .. _.-._...---- - ------- .. - __ -. .. _.- . _ . .-....-- -------- - <br />a~ ~ N o a ^(~) OTHER: ------•------------- --~-•-----------•-----•-' <br />m m ---°-•----------- ----------- <br />~ '9 '- ~ O ^(99) OTHER: <br />;~(tOt) Fllll STORAGE FT. BELOW DAM CREST <br />(102) CONDmONAL FULL STORAGE _ <br />FT. BELOW SPILLWAY CREST <br />(103) RECOMMENDED RESTRICTION _ FT. GAGE HEIGHT <br />(100) CONTINUE EXISTING RESTRICTION ~ NO STORAGE-MAINTAIN OUTLET FULLY OPEN <br />REASON FOR RESTRICTION <br />ACTIONS REQUIRED FOR CONDITIONAL FULL STORAGE OR CONTINUED STORAGE AT THE RESTRICTED LEVEL <br />Engi~ers Owners <br />Si nature Si nature ~ / <br />8 INSPECTED BY a OWNER/OWNER'S REPRESENTATIVE DATE: ~L- <br />Page 3 Of 4 <br />