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,, SO[,RCE REDGCTIO\ CHIPPING Ai THE CURB Y ~ r iTts turhsida chipping pregrem als up in 32- or 6A-gallon containers. 1Vith ~t in Lisbon, Iowa accapb ~ brush crollection, there's no uniformity. IVe bwnchm up ro an eiyM-inch handle all t}•pes and sixes oCbrush.' d'wn+erer. Each heucehold is To reduce material handling by the crew, •~- albwedrocsrourthtes p8es/mertHt of woody which includesadriverandtwoworkers.the materials tto mwe than four cram m• wires that residents ut branch- ~ reQ P feat wide by fear (ear high by es owe with the cut end toward the curb. 'If 13 fear levy- we hose a customer who is noncrompliant, a•e - put an information tag on the rejected mate, vial notifiing the resident why it wasn't ac- cepted and providing our phone number for Size redtletion them to' call for further assistance,' Freiburger. says. ';Most of the problems can llt the SO1l rCe be avoided, and it takes just as much time to do is wrong as it does to do it right.' b The company mechanic performs month- tllrollgll cur side Iv maintenance on the chipper, but because of the rough wear and tear, the double-sid- C11111I1111g SerU1CeS ed knives within the unit have to be altered UNICIPALITIES in Iowa ' ,.7 t. b I d and changed on the job.'IVhen we pull ' andll ashingtonStateofier l aci ~ dlvertl rtl$ brush off the curb; often there s gravel residents an alternative to managing tree trimmings ~ fosters goodwill mined in the wood pile." notes Freiburger. 'That takes a toll on the chipper. Our work- that are too large far home diversion yet small enough ~ 111 the ~ ers watch for rnntamination, but you can't catch st all. It gets into the system and raus- to he managed at the ~ es problems.' The crew keeps three sets oC source. Curbside chipping sen•ices, either COllllltllllltl,. backup knives on hand for use when blades crontractedout or managed by the manses, be~ometoodulltobeefiective.Thechipsare polity. are relatively low cost and result in a ~ blown into the back o(a collection truck and product that residents can use. 'Curbside KPDIII Gfny taken to a central location in the city where chipping programs are gaining in populari- ~ they are available free to residents. ty because of customer rnnvenience and the Cast that chipper teehnologv has been Bevel- ~ TRANSITION IM ^T. YERMON oped to the point that it is crost~Rective: The neighboring town of Mount Vernon saes Gene Freiburger, president of had a chipping mn[ract with Freiburger's Freiburger IVaste Sen•ices in Lisbon, Iowa. company since 1989, but this year, the city 'Residentslike the fact that they have wood ~ ~ trouncil asked 1Sevitt S[ensland, stress acid chips to put around trees and shrubs.' ~ parks superintendent, for input on the eco- Lisbon solid waste officials contracted ~ nomics of the program. 'IVe looked at the with Freiburger to provide curbside Chipping cost ofcontracting the work out yerst~v what senice co the [ow-n's 550 households which the city stag trould do and determined that pay 60 cents month lS ~.20/year) (or the sec- ~ we rnuld do i[ for less money,' says Stens- .ice as part of their sanitation fees. Collec- .land. 'IVe do all our cwn tree maintenanre Lion is ort the first lfondav oCthe month and and were going to buy a chipper anyway.'; runs from March until Yocember. 'In the Because a program was already in place, the past. there was a brush cleanup once a year . ~ transition to taking over curbside chipping and people were allowed to burn the maters- was relatively smooth. al :says Freiburger. 'Brush from the one- Stenslend estimates that 400 households day event was taken to the landfill and a partiripate in the program. Costs are built burning ban ha_s ssnce been instituted." into the disposal pick up fee; residents are The program accepts branches up to an charged between 3-Sand SS annually. Brush eight-inch diameter. Each household is al- is collected every third Alonday from March lowed to set out three piles/month of woody ~ to November. Residents are asked to stack materials no more than four feet wide by material parallel totheroadinpilesnolarg- fourfeet high by IS feet long. 'Chipping is a er than four feet wide by four feet tall. The challenging,job' notes Freiburger, whose ~ ~ brush should notezcced six inches in ditun- [ompany uses a ~torbark Eager Beaver chip- eter or 15 feet in length, and there iv a max- per. -Usually, when you're working a waste imam of two starksJhousehold/month. The stream. there's uniformity. }'ou pick maters- crew consists of a driver and two workerII~ :S6 Bd~C~,V ~ ArRtC l999