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Page V 6 First Defense"'Operation and Malntenalnoe Marn,4 <br /> lnspectiorr Procedures <br /> 1. et up any necessary safety a qu,ipirnent aror,s nd the access <br /> port or girate of the, h:rrst Defense"'as sthtawflated by <br /> local ordinances, Safety c;gijlllarmeeunt should inotiity hnasrskng <br /> I <br /> pe(:ies'tinauin and road traffic ffia't work its be:af ng done. <br /> y. IRennove the grate or lid to the manhole. <br /> k. "VWithocut eintertlng the veuar,e ll, Iloolk down into the,c,harmber to <br /> hISP:cat the, Make mote of any irreWwgu.ullarhtiies t ugA <br /> showers than stan6ng water Revell that should be observed. n <br /> i <br /> 4. Wthoo,ut entering the vessel, use the p6e,with sk rnmenr net <br /> to remove tlloaatR:ables and Voosen debris trorrn they;corvnlruornerrt;� <br /> arid water surface. <br /> �l�yit�1J��� f91t,i v➢� >��� �, <br /> d', V)si ng a sedirrnent probe suuudh as a Sludge Juudg0l, rme;asuure; <br /> the depth of sedlii rneint that has c,calllle ted fii n the suuinrnp of the <br /> vesseall. <br /> 6. Oiro the IMahrntenaance Il....og(see Ipacdey 9), record the date, unit <br /> location,erstrrmated vokirne of thoataWes and gross debrfi s <br /> removed, and the depth of sednrrnent snneasaure(J. Also note <br /> any apparent hrree Waarifies s,suueh as da..aunnageud coinrnp ounents or <br /> Nockages. f <br /> 111 <br /> 7. Securely replace the grate or hkd. <br /> & Fake down safety equipment. <br /> 8. INot'uty Hydro hnterinaathrarnas of any hrregWarttle,s noted during <br /> insfuecbon. i:::0.4 l:::)oa:tta blew are,re,reuoved with a vauctorhose <br /> Floatables and Sediment Clean Out <br /> f:hoaatalhhes cPeaarn out its tytaioalHy donne in cor lUne,t.'o n with Recoininended Equiptnent <br /> sediment reaornovah. A corn'uunnero66llly or r'anu.uunh6jpaaHy owned scarmhar- ® Safety h::gUu hannernt(traffic a oine.,:„etc) <br /> vac is iu sed to rei move captured sedhirrnent and tboaatalWes (t=lig,4). <br /> ® Crowed bar or other tool to iren'mve grate or hd <br /> Flloaut:aNes and Goose debris can also be netted Witll'n a Skilrnrnurner <br /> and IC ole. ..t.he access Dort(located at the top of the rmairnll'mle - h:.Ve with skimmer or net(iit ornhy tlloatabhes area being removed) <br /> taroviidenr u.,jino ustruucted access for a vaactoir horse to be howw Bred to <br /> the base of the s urrnhn. • Sediirnemt probe(such as a S9 ge,,Judge"') <br /> Scheduling • Maetor truck(flexible hale ire(,,orrnmended) <br /> • h.,.houatabhes and sauirnnp dean out are t.ytz'ucaalfly conducted once <br /> a year duuhi ng any season * II':hrst IDef ensedl Maintenance h....Dg <br /> ® II:`Ilouatalbhes and sump c,can ouut should uura cr.ur as soon;:as <br /> trossiibhe:,fo llowrw unog a spHi `rn the conthbu.uti net dralirnr„age area. <br /> Hydurou hrirterini,atuosiruall (Stornmwnraater), 94 Hutchins (Dave, IPortland f/IE.::.04102 <br /> TeL (207) 756-6`'200 F:aax: (207) 756-6212 Web:wrbrwrrwnr.11nydro-unt.c;oinn <br />