Bayawan City Waste Management and Ecology Center Report

 

Bawayan City Waste Management and Ecology Center Ian Dalisay EM 323 Waste Management

 

Overview of Bayawan City  The City of Bayawan Bayawan is a mediumsi!e mediumsi!e city with a "o"ulation "o"ulation of a""ro#imately a""ro#imately $$%&''' located in the southern "art of (egros Island) Bayawan City was declared a com"onent city on Decem*er %& 2''' "er +e"u*lic ,ct -.-3 and is "art of the 3rd Congressional District of the /rovince of (egros Oriental) It is located $'$ 0ilometers southwest from the "rovincial ca"ital& Dumaguete City& and covers a total land area of 1.. 0m) The city is accessi*le *y land through a coastal highway) It is *ounded *y a*an0alan City and the Munici"alities of Ma*inay and Basay to the north and west& *y Tan4ay City and Bais City towards the east and to the southeast *y the Munici"ality of 5anta Catalina 678/M5& 2'$%9)

BCWMEC Sanitary Landfll – Cell 1

Waste 8eneration& Waste 8eneration +ate& and 5W Collection 5ystem  To  To analy!e the local waste generation generation situation& situation& waste characteri!atio characteri!ation n studies 6W,C59 were conducted) During these assessments& sam"les were ta0en from selected waste generators to analy!e amounts of *iodegrada*le& *iodegrada*le& recycla*le& residual and s"ecial wastes in weight and volume in order to "rovide the needed e#tra"olations and "ro4ections for 5WM "lanning) /resently& the total waste generation within the 4urisdiction was estimated with /resently& around :' tons;day) Due to the limited road access& the munici"al waste collection "resently "resent ly reaches only 3'< of all households and only serves = ur*an and 3 rural *arangays out of a total of 2- *arangays with : com"actor truc0s and $ small dum" truc0) The 78> esta*lished a collection system with se"arate collection days for *iodegrada*le *iodegrada* le and non*iodegrada*le non*iodegrada*le wastes) The collection schedule covers Monday& Wednesday and ?riday 6MW?9 for *iodegrada*le wastes while Tuesday and 5aturday non*iodegrada*le wastes are collected) 5"ecial wastes from households are collected every @rst Thursday of the month)  The BCWMEC BCWMEC was launched launched in 2'$' and and integrates a sorting "lant "lant 6at Material +ecovery ?acility9& a com"osting area& an oAce *uilding& a 3'tonner digital weigh*ridge& weigh*rid ge& a $hectare 57? unit 6Cell $9 and se"tage and leachate ttreatment reatment facilities) The integrated 57? has a "ro4ected lifes"an of 3' years) This center is located = 0m northeast of the ur*an center in Barangay Maninihon) It covers 2:

$

 

hectare and was reali!ed with 78> investments from the 7ocal Develo"ment ?und& in total /h/ 3:&'''&''')  The Material +ecovery +ecovery ?acility ?acility 6M+?9 and and vermicom"osting vermicom"osting area area are *oth located within the BCWMEC) The M+? is a "ermanent *uilding that allows segregation of materials *y utili!ing gravity force) Materials can *e "ushed down from an in"ut area to lower wor0ing areas& where they are sorted into various material fractions and forwarded to storage units) The use of a gravity*ased system does not only "rovide an eAcient way to segregate materials for the tas0ed wor0ers *ut also reduces o"eration and maintenance cost) Through o"eration of the M+? and the com"osting "lant the dis"osal of recycla*les and *iowaste can *e reduced and hence the lifes"an of the 57? *eing increased) ,s of "resent time& The BCWMEC has a total of $'< of solid wastes removed from MW? as recovered materials) Biodegrada*les that are gathered with the segregated collection on MW? are ground and sieved through a rotary screen and then delivered to the vermincom"osting "lant) The BCWMEC has develo"ed local techniues in vermicom"ositing wherein they are a*le to eAciently remove vermiworms from "lots from sieving)

5W Collection ?ee Bawayan Citys integrated solid waste management system utili!es the /ayasFou  Throw with with "re"aid "re"aid stic0er stic0er systemG in their solid waste collection) It started in 2''3 for free& and in 2''1& the city government government im"lemented to start collecting fees from the households) 5ince the year 2''. the 78> a""lies a /,FT system for all waste generators that are located within the collection area with a "re"aid stic0er system)  This scheme reuires reuires that Bayawan City citi!ens "urchas "urchase e one stic0er stic0er "er gar*age gar*age *ag 6u" to 2% liters9 for the collection of residual and s"ecial waste only *ut also for *iowaste) However& the 78> monitors the waste segregation at source and encourages com"osting on household and *arangay level)  The stic0ers stic0ers have to *e acuired at at the city hall 6City 6City Treasur Treasurers ers OAce9 or at authori!ed selling selling centers at the "u*lic mar0et or *arangay halls for a "rice of 2 /eso res"ectively) The collection crew chec0s if a stic0er is connected correctly at the gar*age *ag "laced for collection) 8ar*age *ags that are not la*eled with a stic0er or are la*eled incorrectly will not *e collected)

Other Collection ?ees

Septic Tank Management at BCWMEC

5ince the year 2'$$& sludge removed from domestic se"tic tan0s is "rocessed at the BCWMEC at a s"eci@cally constructed constructed sludge treatment "lant that also utili!es the leachate treatment system "rovided for the 57?) The city government also im"osed a fee system for the cleaning of se"tic tan0s collection;treatment of related sludge *ased on the "olluters "ay "rinci"le)G , city ordinance ordinance reuests all owners of se"tic tan0s to at least clean their se"tic tan0 every four 6:9 years) The 78> collects /h/ 2&$1')'' "er tan0 cleaning where*y this fee is collected with the local water *ill from the Bayawan City Water District 6B,W,D9)

Collection EAciency 7i0e many system around the world& starting the Bayawan City waste collection did not yield eective res"onses res"onses from the gar*age throwers) However& due to the 2

 

eorts of the 78> 5WM Team of Bayawan City& the "eo"le learned to follow the system) To eAciently collect the solid wastes from dierent households& the 78> de"loys truc0s with s"ea0ers to signal the collection of wastes is ongoing) With the sound of the song Macarena&G "eo"le learned that it is an indication of the "resence "resenc e of gar*age collector truc0s) The 78> also develo"ed a route module wherein the mileage of truc0s would *e minimal& thus cut cost in fuel yet all routes were designed to serve almost all roads in the city)

3

 

Aspects of BCWMEC  BCWMEC  Strengths and Weaknesses and Recommendations Recommendations or Mitigation and Enorcement 

5iting  The selection of the site for the 57? *egan with with the selection selection criteria) Three Three 639 dierent sites were su*mitted *y the Bayawan City 78> for a""roval of DE(+ and they have chosen the *est site according to the following ma4or criteria& namely namelyJJ 6$9 soil "ermea*ility& 629 distance from the city 6hauling costs9& 639 accessi*ility& and 6:9 distances from air"ort& water sources& households& households& and fault lines) ,mong the three "ro"osed site& the site in Brgy) Maninihon was the "erfect site& "assing all the s"eci@cations for an ideal site for 57?)  The decision decision of the site was was challenged challenged *y the acce"tance acce"tance of the "eo"le "eo"le of the *arangays who live around the ecocenter) To "ushthrough the "ro4ect& Information Educational Cam"aign was made through dierent media such as sym"osiums and "u*lic hearings)

Design and 7and@ll Com"onen Com"onents ts  The design of of BCWMEC was *uilt *y the the 78> through through the technical technical assistance assistance of 8erman Technical Coo"eration 68TK9) Bayawan 57?& a Category 2 7and@ll& is made u" of local materials such as Bentonite clay which lessened the cost of Cell $ u" to %'