Fort Walton Beach Council agenda — 05-24-05 — reading text

flowing from the north. This effort was also marginal1y property in an attempt caused stormwater runoff to migrate successful as a 4. 5" rainfall on the last day of April again to the south. through the area and into residential properties Public Works personnel determined the After surveying the southern end of the City' s sprayfield, stormwater runoff was to constmct an earthen c fastest and most effective way to control further berm north of the 500' wooded buffer zone in the southern end of the sprayfield. Onc{~  e o southern end of the field of holding standing water in the constructed, this berm would be capable of this berm at c and preventing the water from migrating f- urther south. Staff estimated the length of 2 feet and an overall width of 25 feet. Contingent 1, 150 feet with an estimated average depth staff requested authorization from the City by the appropriate regulatory agencies, upon ::lpproval b the flow of measw:e to cw: on May yd to const1l1ct the berm as an emergency " stop- gap" Manager with this south of the sprayfield. The City Manager complied stormwater 1l1noff to properties ement process for the required materials Staff to begin the emergency procw: request and authorized and equipment. iscvssion: l) vendor quotes, Staff to gather the necessary After working with the City' s Pw:chasing Department class dozer on May yd for 2, 940 cubic yards of fill dirt and a one-week rental of a D- 4 requisitioned The City selected Bay Sand of the earthen berm in the City' sprayfield. s to begin the conSi:1l1ction rental. B2Y Fort Walton Beach for both the materials pw:chase and the equipment Company of 6th. fill dirt on May 5th, and City crews started the berm construction on May Sand began delivering the berm on Monday, the weekend and finished constructing Ow: field crews worked throughout May 9th. and the Northwest Florida with both Eglin Air Force Base Public Works personnel coordinated of the berm. Both agencies Water Management District (NWFWMD) during the construction the City for this construction effort as an emergency protective measure. granted authority to Staff provided documentation to both agencies Immediately upon construction completion, the berm. Since both agencies r and a recap of the need to construct detailing the berm design Staff does not anticipate further action from initial verbal concurrence for this project, provided either agency. was neither anticipated flood protection berm in the City' sprayfield s The recent construction of the details the costs incurred for list y 2004- 05 budget. The following in the current r-, nor programmed this project to date: 19, 110. 00 2, 940 cubic yards of fill dirt $ 2, 205. 00 Fuel Surcharge for Delivery $ 1, 600. 00 D- 4 Dozer Rcntal $ 2.nd the NWFWMD above is $ 22, 915. 00. In addition, Eglin The total cost for the items listed this Public Works personnel will address the to stabilize the berm with vegetation. require City Brown- Top Millet. Staff received quote a the berm with Bermuda grass and requirement by seeding the total project cost to $ 23, 043. 50. of $128. 50 to seed the berm, bringing Recommendation: chases in the amount s action to fund emergency pw: Staff requests ratification of the City Manager' berm within the City'::; of an emergency flood protection of $ 23, 043. 50 for the construction available in account If approved, sufficient funding is wastewater treatment plant effluent sprayfield. other than Buildings. 401- 1500- 536- 6300, Improvements c 2  o o CITY COU~~Q: IL ~0' EETMNG c JI ~ \ n r~ r:\. i3h.\~ f ~ 4. ? "/;,,.., Ii,"V 0 "," J ii' O' I,;"~;..;:' If;,.:::,, 1_.. ,,,. r' i:'''~ i'',~ i~_' T J<: i 2'1~! ii:":"~i?!"' 1\~"~.~" 44;l! 0,jffffl.;,',- ^ .,..,. " fJfrli"""" "'~ ~ ' 7 B~ t. <..', ":':';~" 1-; ',-' :;>'- i:;'~'~" ".' ~';': T> :..' i: " I<, i1; 1'f rf';~.' ;+,:.,{:;. j,./ r. ,!~ i'.:: ' ',' a;~~ j~:'.:<- ;(', o;~.;';.>."",;:,:. i.. i.,' ' iv' '" ..'-',,;$,", J '..'01,.,~.}'..,'.'",(",!! i.ib_ ,.' ,' .' "